Serine/threonine kinase which acts as a negative regulator of Ras-related Rap2-mediated signal transduction to control neuronal structure and AMPA receptor trafficking. Required for normal synaptic density, dendrite complexity, as well as surface AMPA receptor expression in hippocampal neurons. Can activate the JNK and MAPK14/p38 pathways and mediates stimulation of the stress-activated protein kinase MAPK14/p38 MAPK downstream of the Raf/ERK pathway. Phosphorylates: TANC1 upon stimulation by RAP2A, MBP and SMAD1. Has an essential function in negative selection of thymocytes, perhaps by coupling NCK1 to activation of JNK1.
Rap1 and Rap2 are similar Ras-like G proteins but perform distinct functions. By the affinity chromatography/mass-spectrometry approach and the yeast two-hybrid screening, we identified Misshapen/NIKs-related kinase (MINK) as a novel Rap2-interacting protein that does not interact with Rap1 or Ras. MINK is a member of the STE20 group of mitogen-activated protein kinase kinase kinase kinases. The interaction between MINK and Rap2 was GTP-dependent and required Phe39 within the effector region of Rap2; the corresponding residue in Rap1 and Ras is Ser. MINK was enriched in the brain, and both MINK and its close relative, Traf2- and Nck-interacting kinase (TNIK), interacted with a postsynaptic scaffold protein containing tetratricopeptide repeats, ankyrin repeats and a coiled-coil region (TANC1) and induced its phosphorylation, under control of Rap2 in cultured cells. These are novel actions of MINK and TNIK, and consistent with a role of MINK as a Rap2 effector in the brain.
The ability of activated Ras to induce growth arrest of human ovarian surface epithelial (HOSE) cells via induction of the cyclin-dependent kinase inhibitor p21(WAF1/CIP1) has been used to screen for Ras pathway signaling components using a library of RNA interference (RNAi) vectors targeting the kinome. Two known Ras-regulated kinases were identified, phosphoinositide 3-kinase p110alpha and ribosomal protein S6 kinase p70(S6K1), plus the MAP kinase kinase kinase kinase MINK, which had not previously been implicated in Ras signaling. MINK is activated after Ras induction via a mechanism involving reactive oxygen species and mediates stimulation of the stress-activated protein kinase p38 MAPK downstream of the Raf/ERK pathway. p38 MAPK activation is essential for Ras-induced p21(WAF1/CIP1) upregulation and cell cycle arrest. MINK is thus a distal target of Ras signaling in the induction of a growth-arrested, senescent-like phenotype that may act to oppose oncogenic transformation in HOSE cells.
Misshapen/NIKs-related kinase (MINK) is a member of the germinal center family of kinases that are homologous to the yeast sterile 20 (Ste20) kinases and regulate a wide variety of cellular processes, including cell morphology, cytoskeletal rearrangement, and survival. Here, we present the cloning and functional characterization of a novel human Misshapen/NIKs-related kinase beta (hMINK beta) that encodes a polypeptide of 1312 amino acids. hMINK beta is ubiquitously expressed in most tissues with at least five alternatively spliced isoforms. Similar to Nck interacting kinase (NIK) and Traf2 and Nck-interacting kinase (TNIK), hMINK beta moderately activates c-Jun N-terminal kinase (JNK) and associates with Nck via the intermediate domain in the yeast two-hybrid system and in a glutathione S-transferase (GST) pull-down assay. Interestingly, overexpression of the kinase domain deleted and kinase-inactive mutants of hMINK beta in human fibrosarcoma HT1080 cells enhanced cell spreading, actin stress fiber formation, and adhesion to extracellular matrix, as well as decreased cell motility and cell invasion. Furthermore, these mutants also promoted cell-cell adhesion in human breast carcinoma MCF7 cells, evidenced with cell growth in clusters and increased membrane localization of beta-catenin, a multifunctional protein involved in E-cadherin-mediated cell adhesion. Finally, hMINK beta protein was found to colocalize with the Golgi apparatus, implicating that hMINK beta might exert its functions, at least in part, through the modulation of intracellular protein transport. Taken together, these results suggest that hMINK beta plays an important role in cytoskeleton reorganization, cell adhesion, and cell motility.
The level of TGF-β/bone morphogenetic protein (BMP) signaling through Smad is tightly regulated to ensure proper embryonic patterning and homeostasis. Here we show that Smad activation by TGF-β/BMP is blocked by a highly conserved phosphorylation event in the α-helix 1 region of Smad [T312 in Drosophila Smad1 (MAD)]. α-helix 1 phosphorylation reduces Smad interaction with TGF-β/BMP receptor kinase and affects all receptor-activated Smads except Smad3. Tissue culture and transgenic studies in Drosophila further demonstrate that the biological activity of MAD is repressed by T312 phosphorylation in vivo. Through RNAi screening of the kinome, we have identified Misshapen (Msn) and the mammalian orthologs TNIK, MINK1, and MAP4K4 as the kinases responsible for α-helix 1 phosphorylation. Targeted expression of an active form of Msn in the wing imaginal disk disrupted activation of endogenous MAD by Dpp and expression of the Dpp/MAD target gene. Msn kinases belong to the Ste20 kinase family that has been shown to act as MAP kinase kinase kinase kinase (MAP4K). Our findings thus reveal a function of Msn independent of its impact on MAP kinase cascades. This Smad inhibition mechanism by Msn likely has important implications for development and disease.
Isoform
Iso 4
Can activate the JNK pathway. Involved in the regulation of actin cytoskeleton reorganization, cell-matrix adhesion, cell-cell adhesion and cell migration.
Misshapen/NIKs-related kinase (MINK) is a member of the germinal center family of kinases that are homologous to the yeast sterile 20 (Ste20) kinases and regulate a wide variety of cellular processes, including cell morphology, cytoskeletal rearrangement, and survival. Here, we present the cloning and functional characterization of a novel human Misshapen/NIKs-related kinase beta (hMINK beta) that encodes a polypeptide of 1312 amino acids. hMINK beta is ubiquitously expressed in most tissues with at least five alternatively spliced isoforms. Similar to Nck interacting kinase (NIK) and Traf2 and Nck-interacting kinase (TNIK), hMINK beta moderately activates c-Jun N-terminal kinase (JNK) and associates with Nck via the intermediate domain in the yeast two-hybrid system and in a glutathione S-transferase (GST) pull-down assay. Interestingly, overexpression of the kinase domain deleted and kinase-inactive mutants of hMINK beta in human fibrosarcoma HT1080 cells enhanced cell spreading, actin stress fiber formation, and adhesion to extracellular matrix, as well as decreased cell motility and cell invasion. Furthermore, these mutants also promoted cell-cell adhesion in human breast carcinoma MCF7 cells, evidenced with cell growth in clusters and increased membrane localization of beta-catenin, a multifunctional protein involved in E-cadherin-mediated cell adhesion. Finally, hMINK beta protein was found to colocalize with the Golgi apparatus, implicating that hMINK beta might exert its functions, at least in part, through the modulation of intracellular protein transport. Taken together, these results suggest that hMINK beta plays an important role in cytoskeleton reorganization, cell adhesion, and cell motility.
The ability of activated Ras to induce growth arrest of human ovarian surface epithelial (HOSE) cells via induction of the cyclin-dependent kinase inhibitor p21(WAF1/CIP1) has been used to screen for Ras pathway signaling components using a library of RNA interference (RNAi) vectors targeting the kinome. Two known Ras-regulated kinases were identified, phosphoinositide 3-kinase p110alpha and ribosomal protein S6 kinase p70(S6K1), plus the MAP kinase kinase kinase kinase MINK, which had not previously been implicated in Ras signaling. MINK is activated after Ras induction via a mechanism involving reactive oxygen species and mediates stimulation of the stress-activated protein kinase p38 MAPK downstream of the Raf/ERK pathway. p38 MAPK activation is essential for Ras-induced p21(WAF1/CIP1) upregulation and cell cycle arrest. MINK is thus a distal target of Ras signaling in the induction of a growth-arrested, senescent-like phenotype that may act to oppose oncogenic transformation in HOSE cells.
The level of TGF-β/bone morphogenetic protein (BMP) signaling through Smad is tightly regulated to ensure proper embryonic patterning and homeostasis. Here we show that Smad activation by TGF-β/BMP is blocked by a highly conserved phosphorylation event in the α-helix 1 region of Smad [T312 in Drosophila Smad1 (MAD)]. α-helix 1 phosphorylation reduces Smad interaction with TGF-β/BMP receptor kinase and affects all receptor-activated Smads except Smad3. Tissue culture and transgenic studies in Drosophila further demonstrate that the biological activity of MAD is repressed by T312 phosphorylation in vivo. Through RNAi screening of the kinome, we have identified Misshapen (Msn) and the mammalian orthologs TNIK, MINK1, and MAP4K4 as the kinases responsible for α-helix 1 phosphorylation. Targeted expression of an active form of Msn in the wing imaginal disk disrupted activation of endogenous MAD by Dpp and expression of the Dpp/MAD target gene. Msn kinases belong to the Ste20 kinase family that has been shown to act as MAP kinase kinase kinase kinase (MAP4K). Our findings thus reveal a function of Msn independent of its impact on MAP kinase cascades. This Smad inhibition mechanism by Msn likely has important implications for development and disease.
Rap1 and Rap2 are similar Ras-like G proteins but perform distinct functions. By the affinity chromatography/mass-spectrometry approach and the yeast two-hybrid screening, we identified Misshapen/NIKs-related kinase (MINK) as a novel Rap2-interacting protein that does not interact with Rap1 or Ras. MINK is a member of the STE20 group of mitogen-activated protein kinase kinase kinase kinases. The interaction between MINK and Rap2 was GTP-dependent and required Phe39 within the effector region of Rap2; the corresponding residue in Rap1 and Ras is Ser. MINK was enriched in the brain, and both MINK and its close relative, Traf2- and Nck-interacting kinase (TNIK), interacted with a postsynaptic scaffold protein containing tetratricopeptide repeats, ankyrin repeats and a coiled-coil region (TANC1) and induced its phosphorylation, under control of Rap2 in cultured cells. These are novel actions of MINK and TNIK, and consistent with a role of MINK as a Rap2 effector in the brain.
Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
Evidence
1:
Inferred from Physical InteractionUniProtKB
Misshapen/NIKs-related kinase (MINK) is a member of the germinal center family of kinases that are homologous to the yeast sterile 20 (Ste20) kinases and regulate a wide variety of cellular processes, including cell morphology, cytoskeletal rearrangement, and survival. Here, we present the cloning and functional characterization of a novel human Misshapen/NIKs-related kinase beta (hMINK beta) that encodes a polypeptide of 1312 amino acids. hMINK beta is ubiquitously expressed in most tissues with at least five alternatively spliced isoforms. Similar to Nck interacting kinase (NIK) and Traf2 and Nck-interacting kinase (TNIK), hMINK beta moderately activates c-Jun N-terminal kinase (JNK) and associates with Nck via the intermediate domain in the yeast two-hybrid system and in a glutathione S-transferase (GST) pull-down assay. Interestingly, overexpression of the kinase domain deleted and kinase-inactive mutants of hMINK beta in human fibrosarcoma HT1080 cells enhanced cell spreading, actin stress fiber formation, and adhesion to extracellular matrix, as well as decreased cell motility and cell invasion. Furthermore, these mutants also promoted cell-cell adhesion in human breast carcinoma MCF7 cells, evidenced with cell growth in clusters and increased membrane localization of beta-catenin, a multifunctional protein involved in E-cadherin-mediated cell adhesion. Finally, hMINK beta protein was found to colocalize with the Golgi apparatus, implicating that hMINK beta might exert its functions, at least in part, through the modulation of intracellular protein transport. Taken together, these results suggest that hMINK beta plays an important role in cytoskeleton reorganization, cell adhesion, and cell motility.
A new germinal center kinase (GCK) family kinase, Misshapen/NIKs-related kinase (MINK), has been cloned and its expression has been characterized in several tissues and various developmental stages of the mouse brain. MINK encodes a 1300 amino acid polypeptide, consisting of an N-terminal kinase domain, a proline-rich intermediate region, and a C-terminal GCK homology region. The expression of MINK is up-regulated during the postnatal development of the mouse brain. MINK activates the cJun N-terminal kinase and the p38 pathways.
The level of TGF-β/bone morphogenetic protein (BMP) signaling through Smad is tightly regulated to ensure proper embryonic patterning and homeostasis. Here we show that Smad activation by TGF-β/BMP is blocked by a highly conserved phosphorylation event in the α-helix 1 region of Smad [T312 in Drosophila Smad1 (MAD)]. α-helix 1 phosphorylation reduces Smad interaction with TGF-β/BMP receptor kinase and affects all receptor-activated Smads except Smad3. Tissue culture and transgenic studies in Drosophila further demonstrate that the biological activity of MAD is repressed by T312 phosphorylation in vivo. Through RNAi screening of the kinome, we have identified Misshapen (Msn) and the mammalian orthologs TNIK, MINK1, and MAP4K4 as the kinases responsible for α-helix 1 phosphorylation. Targeted expression of an active form of Msn in the wing imaginal disk disrupted activation of endogenous MAD by Dpp and expression of the Dpp/MAD target gene. Msn kinases belong to the Ste20 kinase family that has been shown to act as MAP kinase kinase kinase kinase (MAP4K). Our findings thus reveal a function of Msn independent of its impact on MAP kinase cascades. This Smad inhibition mechanism by Msn likely has important implications for development and disease.
Rap1 and Rap2 are similar Ras-like G proteins but perform distinct functions. By the affinity chromatography/mass-spectrometry approach and the yeast two-hybrid screening, we identified Misshapen/NIKs-related kinase (MINK) as a novel Rap2-interacting protein that does not interact with Rap1 or Ras. MINK is a member of the STE20 group of mitogen-activated protein kinase kinase kinase kinases. The interaction between MINK and Rap2 was GTP-dependent and required Phe39 within the effector region of Rap2; the corresponding residue in Rap1 and Ras is Ser. MINK was enriched in the brain, and both MINK and its close relative, Traf2- and Nck-interacting kinase (TNIK), interacted with a postsynaptic scaffold protein containing tetratricopeptide repeats, ankyrin repeats and a coiled-coil region (TANC1) and induced its phosphorylation, under control of Rap2 in cultured cells. These are novel actions of MINK and TNIK, and consistent with a role of MINK as a Rap2 effector in the brain.
A process that is carried out at the cellular level which results in dynamic structural changes to the arrangement of constituent parts of cytoskeletal structures comprising actin filaments and their associated proteins.
Evidence
1:
Inferred from Mutant PhenotypeUniProtKB
Misshapen/NIKs-related kinase (MINK) is a member of the germinal center family of kinases that are homologous to the yeast sterile 20 (Ste20) kinases and regulate a wide variety of cellular processes, including cell morphology, cytoskeletal rearrangement, and survival. Here, we present the cloning and functional characterization of a novel human Misshapen/NIKs-related kinase beta (hMINK beta) that encodes a polypeptide of 1312 amino acids. hMINK beta is ubiquitously expressed in most tissues with at least five alternatively spliced isoforms. Similar to Nck interacting kinase (NIK) and Traf2 and Nck-interacting kinase (TNIK), hMINK beta moderately activates c-Jun N-terminal kinase (JNK) and associates with Nck via the intermediate domain in the yeast two-hybrid system and in a glutathione S-transferase (GST) pull-down assay. Interestingly, overexpression of the kinase domain deleted and kinase-inactive mutants of hMINK beta in human fibrosarcoma HT1080 cells enhanced cell spreading, actin stress fiber formation, and adhesion to extracellular matrix, as well as decreased cell motility and cell invasion. Furthermore, these mutants also promoted cell-cell adhesion in human breast carcinoma MCF7 cells, evidenced with cell growth in clusters and increased membrane localization of beta-catenin, a multifunctional protein involved in E-cadherin-mediated cell adhesion. Finally, hMINK beta protein was found to colocalize with the Golgi apparatus, implicating that hMINK beta might exert its functions, at least in part, through the modulation of intracellular protein transport. Taken together, these results suggest that hMINK beta plays an important role in cytoskeleton reorganization, cell adhesion, and cell motility.
The process in which the anatomical structures of a dendrite are generated and organized. A dendrite is a freely branching protoplasmic process of a nerve cell.
A series of reactions in which a signal is passed on to downstream proteins within the cell by sequential protein phosphorylation and activation of the cascade components.
An intracellular protein kinase cascade containing at least a JNK (a MAPK), a JNKK (a MAPKK) and a JUN3K (a MAP3K). The cascade can also contain two additional tiers: the upstream MAP4K and the downstream MAP Kinase-activated kinase (MAPKAPK). The kinases in each tier phosphorylate and activate the kinases in the downstream tier to transmit a signal within a cell.
A new germinal center kinase (GCK) family kinase, Misshapen/NIKs-related kinase (MINK), has been cloned and its expression has been characterized in several tissues and various developmental stages of the mouse brain. MINK encodes a 1300 amino acid polypeptide, consisting of an N-terminal kinase domain, a proline-rich intermediate region, and a C-terminal GCK homology region. The expression of MINK is up-regulated during the postnatal development of the mouse brain. MINK activates the cJun N-terminal kinase and the p38 pathways.
The biological process whose specific outcome is the progression of a multicellular organism over time from an initial condition (e.g. a zygote or a young adult) to a later condition (e.g. a multicellular animal or an aged adult).
Misshapen/NIKs-related kinase (MINK) is a member of the germinal center family of kinases that are homologous to the yeast sterile 20 (Ste20) kinases and regulate a wide variety of cellular processes, including cell morphology, cytoskeletal rearrangement, and survival. Here, we present the cloning and functional characterization of a novel human Misshapen/NIKs-related kinase beta (hMINK beta) that encodes a polypeptide of 1312 amino acids. hMINK beta is ubiquitously expressed in most tissues with at least five alternatively spliced isoforms. Similar to Nck interacting kinase (NIK) and Traf2 and Nck-interacting kinase (TNIK), hMINK beta moderately activates c-Jun N-terminal kinase (JNK) and associates with Nck via the intermediate domain in the yeast two-hybrid system and in a glutathione S-transferase (GST) pull-down assay. Interestingly, overexpression of the kinase domain deleted and kinase-inactive mutants of hMINK beta in human fibrosarcoma HT1080 cells enhanced cell spreading, actin stress fiber formation, and adhesion to extracellular matrix, as well as decreased cell motility and cell invasion. Furthermore, these mutants also promoted cell-cell adhesion in human breast carcinoma MCF7 cells, evidenced with cell growth in clusters and increased membrane localization of beta-catenin, a multifunctional protein involved in E-cadherin-mediated cell adhesion. Finally, hMINK beta protein was found to colocalize with the Golgi apparatus, implicating that hMINK beta might exert its functions, at least in part, through the modulation of intracellular protein transport. Taken together, these results suggest that hMINK beta plays an important role in cytoskeleton reorganization, cell adhesion, and cell motility.
Misshapen/NIKs-related kinase (MINK) is a member of the germinal center family of kinases that are homologous to the yeast sterile 20 (Ste20) kinases and regulate a wide variety of cellular processes, including cell morphology, cytoskeletal rearrangement, and survival. Here, we present the cloning and functional characterization of a novel human Misshapen/NIKs-related kinase beta (hMINK beta) that encodes a polypeptide of 1312 amino acids. hMINK beta is ubiquitously expressed in most tissues with at least five alternatively spliced isoforms. Similar to Nck interacting kinase (NIK) and Traf2 and Nck-interacting kinase (TNIK), hMINK beta moderately activates c-Jun N-terminal kinase (JNK) and associates with Nck via the intermediate domain in the yeast two-hybrid system and in a glutathione S-transferase (GST) pull-down assay. Interestingly, overexpression of the kinase domain deleted and kinase-inactive mutants of hMINK beta in human fibrosarcoma HT1080 cells enhanced cell spreading, actin stress fiber formation, and adhesion to extracellular matrix, as well as decreased cell motility and cell invasion. Furthermore, these mutants also promoted cell-cell adhesion in human breast carcinoma MCF7 cells, evidenced with cell growth in clusters and increased membrane localization of beta-catenin, a multifunctional protein involved in E-cadherin-mediated cell adhesion. Finally, hMINK beta protein was found to colocalize with the Golgi apparatus, implicating that hMINK beta might exert its functions, at least in part, through the modulation of intracellular protein transport. Taken together, these results suggest that hMINK beta plays an important role in cytoskeleton reorganization, cell adhesion, and cell motility.
The process of introducing a phosphate group on to a protein.
ISSOrtholog Curator
Regulation of alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionate selective glutamate receptor activitydefinition[GO:2000311]
Any process that modulates the frequency, rate or extent of alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionate selective glutamate receptor activity.
Misshapen/NIKs-related kinase (MINK) is a member of the germinal center family of kinases that are homologous to the yeast sterile 20 (Ste20) kinases and regulate a wide variety of cellular processes, including cell morphology, cytoskeletal rearrangement, and survival. Here, we present the cloning and functional characterization of a novel human Misshapen/NIKs-related kinase beta (hMINK beta) that encodes a polypeptide of 1312 amino acids. hMINK beta is ubiquitously expressed in most tissues with at least five alternatively spliced isoforms. Similar to Nck interacting kinase (NIK) and Traf2 and Nck-interacting kinase (TNIK), hMINK beta moderately activates c-Jun N-terminal kinase (JNK) and associates with Nck via the intermediate domain in the yeast two-hybrid system and in a glutathione S-transferase (GST) pull-down assay. Interestingly, overexpression of the kinase domain deleted and kinase-inactive mutants of hMINK beta in human fibrosarcoma HT1080 cells enhanced cell spreading, actin stress fiber formation, and adhesion to extracellular matrix, as well as decreased cell motility and cell invasion. Furthermore, these mutants also promoted cell-cell adhesion in human breast carcinoma MCF7 cells, evidenced with cell growth in clusters and increased membrane localization of beta-catenin, a multifunctional protein involved in E-cadherin-mediated cell adhesion. Finally, hMINK beta protein was found to colocalize with the Golgi apparatus, implicating that hMINK beta might exert its functions, at least in part, through the modulation of intracellular protein transport. Taken together, these results suggest that hMINK beta plays an important role in cytoskeleton reorganization, cell adhesion, and cell motility.
Misshapen/NIKs-related kinase (MINK) is a member of the germinal center family of kinases that are homologous to the yeast sterile 20 (Ste20) kinases and regulate a wide variety of cellular processes, including cell morphology, cytoskeletal rearrangement, and survival. Here, we present the cloning and functional characterization of a novel human Misshapen/NIKs-related kinase beta (hMINK beta) that encodes a polypeptide of 1312 amino acids. hMINK beta is ubiquitously expressed in most tissues with at least five alternatively spliced isoforms. Similar to Nck interacting kinase (NIK) and Traf2 and Nck-interacting kinase (TNIK), hMINK beta moderately activates c-Jun N-terminal kinase (JNK) and associates with Nck via the intermediate domain in the yeast two-hybrid system and in a glutathione S-transferase (GST) pull-down assay. Interestingly, overexpression of the kinase domain deleted and kinase-inactive mutants of hMINK beta in human fibrosarcoma HT1080 cells enhanced cell spreading, actin stress fiber formation, and adhesion to extracellular matrix, as well as decreased cell motility and cell invasion. Furthermore, these mutants also promoted cell-cell adhesion in human breast carcinoma MCF7 cells, evidenced with cell growth in clusters and increased membrane localization of beta-catenin, a multifunctional protein involved in E-cadherin-mediated cell adhesion. Finally, hMINK beta protein was found to colocalize with the Golgi apparatus, implicating that hMINK beta might exert its functions, at least in part, through the modulation of intracellular protein transport. Taken together, these results suggest that hMINK beta plays an important role in cytoskeleton reorganization, cell adhesion, and cell motility.
Misshapen/NIKs-related kinase (MINK) is a member of the germinal center family of kinases that are homologous to the yeast sterile 20 (Ste20) kinases and regulate a wide variety of cellular processes, including cell morphology, cytoskeletal rearrangement, and survival. Here, we present the cloning and functional characterization of a novel human Misshapen/NIKs-related kinase beta (hMINK beta) that encodes a polypeptide of 1312 amino acids. hMINK beta is ubiquitously expressed in most tissues with at least five alternatively spliced isoforms. Similar to Nck interacting kinase (NIK) and Traf2 and Nck-interacting kinase (TNIK), hMINK beta moderately activates c-Jun N-terminal kinase (JNK) and associates with Nck via the intermediate domain in the yeast two-hybrid system and in a glutathione S-transferase (GST) pull-down assay. Interestingly, overexpression of the kinase domain deleted and kinase-inactive mutants of hMINK beta in human fibrosarcoma HT1080 cells enhanced cell spreading, actin stress fiber formation, and adhesion to extracellular matrix, as well as decreased cell motility and cell invasion. Furthermore, these mutants also promoted cell-cell adhesion in human breast carcinoma MCF7 cells, evidenced with cell growth in clusters and increased membrane localization of beta-catenin, a multifunctional protein involved in E-cadherin-mediated cell adhesion. Finally, hMINK beta protein was found to colocalize with the Golgi apparatus, implicating that hMINK beta might exert its functions, at least in part, through the modulation of intracellular protein transport. Taken together, these results suggest that hMINK beta plays an important role in cytoskeleton reorganization, cell adhesion, and cell motility.
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a disturbance in organismal or cellular homeostasis, usually, but not necessarily, exogenous (e.g. temperature, humidity, ionizing radiation).
Protein which catalyzes the phosphorylation of serine or threonine residues on target proteins by using ATP as phosphate donor. Such phosphorylation may cause changes in the function of the target protein. Protein kinases share a conserved catalytic core common to both serine/ threonine and tyrosine protein kinases.
A reference proteome is a set of protein sequences derived from a complete proteome which constitutes a defined standard for a particular user community. Reference proteomes are manually defined according to a number of criteria. They cover the proteomes of well- studied model organisms and other proteomes of interest for biomedical and biotechnological research. Reference proteomes have been selected to provide broad coverage of the tree of life, and constitute a representative cross-section of the taxonomic diversity to be found within UniProtKB.
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