| Identification |
| HMDB Protein ID
| CDBP01383 |
| Secondary Accession Numbers
| Not Available |
| Name
| Serine/threonine-protein kinase 4 |
| Description
| Not Available |
| Synonyms
|
- MST-1
- Mammalian STE20-like protein kinase 1
- STE20-like kinase MST1
- Serine/threonine-protein kinase Krs-2
|
| Gene Name
| STK4 |
| Protein Type
| Enzyme |
| 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 'Ser-14' of histone H2B (H2BS14ph) during apoptosis. Phosphorylates FOXO3 upon oxidative stress, which results in its nuclear translocation and cell death initiation |
| 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
|
- Nucleus
- Cytoplasm
|
| Pathways
|
Not Available
|
| Gene Properties |
| Chromosome Location
| Chromosome:2 |
| Locus
| 20q11.2-q13.2 |
| SNPs
| STK4 |
| Gene Sequence
|
>1464 bp
ATGGAGACGGTACAGCTGAGGAACCCGCCGCGCCGGCAGCTGAAAAAGTTGGATGAAGAT
AGTTTAACCAAACAACCAGAAGAAGTATTTGATGTCTTAGAGAAACTTGGAGAAGGGTCC
TATGGCAGCGTATACAAAGCTATTCATAAAGAGACCGGCCAGATTGTTGCTATTAAGCAA
GTTCCTGTGGAATCAGACCTCCAGGAGATAATCAAAGAAATCTCTATAATGCAGCAATGT
GACAGCCCTCATGTAGTCAAATATTATGGCAGTTATTTTAAGAACACAGACTTATGGATC
GTTATGGAGTACTGTGGGGCTGGTTCTGTATCTGATATCATTCGATTACGAAATAAAACG
TTAACAGAAGATGAAATAGCTACAATATTACAATCAACTCTTAAGGGACTTGAATACCTT
CATTTTATGAGAAAAATACACCGAGATATCAAGGCAGGAAATATTTTGCTAAATACAGAA
GGACATGCAAAACTTGCAGATTTTGGGGTAGCAGGTCAACTTACAGATACCATGGCCAAG
CGGAATACAGTGATAGGAACACCATTTTGGATGGCTCCAGAAGTGATTCAGGAAATTGGA
TACAACTGTGTAGCAGACATCTGGTCCCTGGGAATAACTGCCATAGAAATGGCTGAAGGA
AAGCCCCCTTATGCTGATATCCATCCAATGAGGGCAATCTTCATGATTCCTACAAATCCT
CCTCCCACATTCCGAAAACCAGAGCTATGGTCAGATAACTTTACAGATTTTGTGAAACAG
TGTCTTGTAAAGAGCCCTGAGCAGAGGGCCACAGCCACTCAGCTCCTGCAGCACCCATTT
GTCAGGAGTGCCAAAGGAGTGTCAATACTGCGAGACTTAATTAATGAAGCCATGGATGTG
AAACTGAAACGCCAGGAATCCCAGCAGCGGGAAGTGGACCAGGACGATGAAGAAAACTCA
GAAGAGGATGAAATGGATTCTGGCACGATGGTTCGAGCAGTGGGTGATGAGATGGGCACT
GTCCGAGTAGCCAGCACCATGACTGATGGAGCCAATACTATGATTGAGCACGATGACACG
TTGCCATCACAACTGGGCACCATGGTGATCAATGCAGAGGATGAGGAAGAGGAAGGAACT
ATGAAAAGAAGGGATGAGACCATGCAGCCTGCGAAACCATCCTTTCTTGAATATTTTGAA
CAAAAAGAAAAGGAAAACCAGATCAACAGCTTTGGCAAGAGTGTACCTGGTCCACTGAAA
AATTCTTCAGATTGGAAAATACCACAGGATGGAGACTACGAGTTTCTTAAGAGTTGGACA
GTGGAGGACCTTCAGAAGAGGCTCTTGGCCCTGGACCCCATGATGGAGCAGGAGATTGAA
GAGATCCGGCAGAAGTACCAGTCCAAGCGGCAGCCCATCCTGGATGCCATAGAGGCTAAG
AAGAGACGGCAACAAAACTTCTGA
|
| Protein Properties |
| Number of Residues
| 487 |
| Molecular Weight
| 55629.8 |
| Theoretical pI
| 4.71 |
| Pfam Domain Function
|
|
| Signals
|
|
|
Transmembrane Regions
|
|
| Protein Sequence
|
>Serine/threonine-protein kinase 4
METVQLRNPPRRQLKKLDEDSLTKQPEEVFDVLEKLGEGSYGSVYKAIHKETGQIVAIKQ
VPVESDLQEIIKEISIMQQCDSPHVVKYYGSYFKNTDLWIVMEYCGAGSVSDIIRLRNKT
LTEDEIATILQSTLKGLEYLHFMRKIHRDIKAGNILLNTEGHAKLADFGVAGQLTDTMAK
RNTVIGTPFWMAPEVIQEIGYNCVADIWSLGITAIEMAEGKPPYADIHPMRAIFMIPTNP
PPTFRKPELWSDNFTDFVKQCLVKSPEQRATATQLLQHPFVRSAKGVSILRDLINEAMDV
KLKRQESQQREVDQDDEENSEEDEMDSGTMVRAVGDEMGTVRVASTMTDGANTMIEHDDT
LPSQLGTMVINAEDEEEEGTMKRRDETMQPAKPSFLEYFEQKEKENQINSFGKSVPGPLK
NSSDWKIPQDGDYEFLKSWTVEDLQKRLLALDPMMEQEIEEIRQKYQSKRQPILDAIEAK
KRRQQNF
|
| External Links |
| GenBank ID Protein
| 189054830 |
| UniProtKB/Swiss-Prot ID
| Q13043 |
| UniProtKB/Swiss-Prot Entry Name
| STK4_HUMAN |
| PDB IDs
|
Not Available |
| GenBank Gene ID
| AK315238 |
| GeneCard ID
| STK4 |
| GenAtlas ID
| STK4 |
| HGNC ID
| HGNC:11408 |
| References |
| General References
| Not Available |