Hmdb loader
Identification
HMDB Protein ID HMDBP01454
Secondary Accession Numbers
  • 6750
Name Serine/threonine-protein kinase 3
Synonyms
  1. MST-2
  2. Mammalian STE20-like protein kinase 2
  3. STE20-like kinase MST2
  4. Serine/threonine-protein kinase Krs-1
Gene Name STK3
Protein Type Unknown
Biological Properties
General Function Involved in protein kinase activity
Specific Function Stress-activated, pro-apoptotic kinase which, following caspase-cleavage, enters the nucleus and induces chromatin condensation followed by internucleosomal DNA fragmentation. Key component of the Hippo signaling pathway which plays a pivotal role in organ size control and tumor suppression by restricting proliferation and promoting apoptosis. The core of this pathway is composed of a kinase cascade wherein MST1/MST2, in complex with its regulatory protein SAV1, phosphorylates and activates LATS1/2 in complex with its regulatory protein MOB1, which in turn phosphorylates and inactivates YAP1 oncoprotein and WWTR1/TAZ. Phosphorylation of YAP1 by LATS2 inhibits its translocation into the nucleus to regulate cellular genes important for cell proliferation, cell death, and cell migration. MST1/MST2 are required to repress proliferation of mature hepatocytes, to prevent activation of facultative adult liver stem cells (oval cells), and to inhibit tumor formation. Phosphorylates NKX2-1
Pathways Not Available
Reactions Not Available
GO Classification
Function
binding
catalytic activity
transferase activity
transferase activity, transferring phosphorus-containing groups
kinase activity
nucleoside binding
purine nucleoside binding
adenyl nucleotide binding
adenyl ribonucleotide binding
atp binding
protein binding
protein kinase activity
protein serine/threonine kinase activity
Process
phosphorus metabolic process
phosphate metabolic process
metabolic process
biological regulation
regulation of biological process
cellular metabolic process
regulation of cellular process
signal transduction
protein amino acid phosphorylation
phosphorylation
Cellular Location
  1. Nucleus
  2. Cytoplasm
Gene Properties
Chromosome Location Chromosome:8
Locus 8q22.2
SNPs STK3
Gene Sequence
>1476 bp
ATGGAGCAGCCGCCGGCGCCTAAGAGTAAACTAAAAAAGCTGAGTGAAGACAGTTTGACT
AAGCAGCCTGAAGAAGTTTTTGATGTATTAGAGAAGCTTGGAGAAGGGTCTTATGGAAGT
GTATTTAAAGCAATACACAAGGAATCCGGTCAAGTTGTCGCAATTAAACAAGTACCTGTT
GAATCAGATCTTCAGGAAATAATCAAAGAAATTTCCATAATGCAGCAATGTGACAGCCCA
TATGTTGTAAAGTACTATGGCAGTTATTTTAAGAATACAGACCTCTGGATTGTTATGGAG
TACTGTGGCGCTGGCTCTGTCTCAGACATAATTAGATTACGAAACAAGACATTAATAGAA
GATGAAATTGCAACCATTCTTAAATCTACATTGAAAGGACTAGAATATTTGCACTTTATG
AGAAAAATACACAGAGATATAAAAGCTGGAAATATTCTCCTCAATACAGAAGGACATGCA
AAATTGGCAGATTTTGGAGTGGCTGGTCAGTTAACAGATACAATGGCAAAACGCAATACT
GTAATAGGAACTCCATTTTGGATGGCTCCTGAGGTGATTCAAGAAATAGGCTATAACTGT
GTGGCCGACATCTGGTCCCTTGGCATTACTTCTATAGAAATGGCTGAAGGAAAACCTCCT
TATGCTGATATACATCCAATGAGGGCTATTTTTATGATTCCCACAAATCCACCACCAACA
TTCAGAAAGCCAGAACTTTGGTCCGATGATTTCACCGATTTTGTTAAAAAGTGTTTGGTG
AAGAATCCTGAGCAGAGAGCTACTGCAACACAACTTTTACAGCACCCTTTTATCAAGAAT
GCCAAACCTGTATCAATATTAAGAGACCTGATCACAGAAGCTATGGAGATCAAAGCTAAA
AGACATGAGGAACAGCAACGAGAATTGGAAGAGGAAGAAGAAAATTCGGATGAAGATGAG
CTGGATTCCCACACCATGGTGAAGACTAGTGTGGAGAGTGTGGGCACCATGCGGGCCACA
AGCACGATGAGTGAAGGGGCCCAGACCATGATTGAACATAATAGCACGATGTTGGAATCC
GACTTGGGGACCATGGTGATAAACAGTGAGGATGAGGAAGAAGAAGATGGAACTATGAAA
AGAAATGCAACCTCACCACAAGTACAAAGACCATCTTTCATGGACTACTTTGATAAGCAA
GACTTCAAGAATAAGAGTCACGAAAACTGTAATCAGAACATGCATGAACCCTTCCCTATG
TCCAAAAACGTTTTTCCTGATAACTGGAAAGTTCCTCAAGATGGAGACTTTGACTTTTTG
AAAAATCTAAGTTTAGAAGAACTACAGATGCGGTTAAAAGCACTGGACCCCATGATGGAA
CGGGAGATAGAAGAACTTCGTCAGAGATACACTGCGAAAAGACAGCCCATTCTGGATGCG
ATGGATGCAAAGAAAAGAAGGCAGCAAAACTTTTGA
Protein Properties
Number of Residues 491
Molecular Weight 56300.7
Theoretical pI 4.88
Pfam Domain Function
Signals
  • None
Transmembrane Regions
  • None
Protein Sequence
>Serine/threonine-protein kinase 3
MEQPPAPKSKLKKLSEDSLTKQPEEVFDVLEKLGEGSYGSVFKAIHKESGQVVAIKQVPV
ESDLQEIIKEISIMQQCDSPYVVKYYGSYFKNTDLWIVMEYCGAGSVSDIIRLRNKTLIE
DEIATILKSTLKGLEYLHFMRKIHRDIKAGNILLNTEGHAKLADFGVAGQLTDTMAKRNT
VIGTPFWMAPEVIQEIGYNCVADIWSLGITSIEMAEGKPPYADIHPMRAIFMIPTNPPPT
FRKPELWSDDFTDFVKKCLVKNPEQRATATQLLQHPFIKNAKPVSILRDLITEAMEIKAK
RHEEQQRELEEEEENSDEDELDSHTMVKTSVESVGTMRATSTMSEGAQTMIEHNSTMLES
DLGTMVINSEDEEEEDGTMKRNATSPQVQRPSFMDYFDKQDFKNKSHENCNQNMHEPFPM
SKNVFPDNWKVPQDGDFDFLKNLSLEELQMRLKALDPMMEREIEELRQRYTAKRQPILDA
MDAKKRRQQNF
GenBank ID Protein 158257106
UniProtKB/Swiss-Prot ID Q13188
UniProtKB/Swiss-Prot Entry Name STK3_HUMAN
PDB IDs Not Available
GenBank Gene ID AK291837
GeneCard ID STK3
GenAtlas ID STK3
HGNC ID HGNC:11406
References
General References
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