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Q9JI10

- STK3_MOUSE

UniProt

Q9JI10 - STK3_MOUSE

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Protein
Serine/threonine-protein kinase 3
Gene
Stk3, Mess1, Mst2
Organism
Mus musculus (Mouse)
Status
Reviewed - Annotation score: 5 out of 5 - Experimental evidence at protein leveli

Functioni

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 STK3/MST2 and STK4/MST1, 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. STK3/MST2 and STK4/MST1 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. Phosphorylates NEK2 and plays a role in centrosome disjunction by regulating the localization of NEK2 to centrosomes, and its ability to phosphorylate CROCC and CEP250. In conjunction with SAV1, activates the transcriptional activity of ESR1 through the modulation of its phosphorylation. Positively regulates RAF1 activation via suppression of the inhibitory phosphorylation of RAF1 on 'Ser-259'. Phosphorylates MOBKL1A and RASSF2. Phosphorylates MOBKL1B on 'Thr-74'. Acts cooperatively with MOBKL1B to activate STK38 By similarity.1 Publication

Catalytic activityi

ATP + a protein = ADP + a phosphoprotein.

Cofactori

Magnesium By similarity.

Enzyme regulationi

Inhibited by the C-terminal non-catalytic region. Activated by caspase-cleavage. Full activation also requires homodimerization and autophosphorylation of Thr-180, which are inhibited by the proto-oncogene product RAF1. Activated by RASSF1 which acts by preventing its dephosphorylation By similarity.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei56 – 561ATP By similarity
Active sitei146 – 1461Proton acceptor By similarity
Sitei322 – 3232Cleavage; by caspase-3

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi33 – 419ATP By similarity

GO - Molecular functioni

  1. ATP binding Source: UniProtKB
  2. magnesium ion binding Source: UniProtKB
  3. protein dimerization activity Source: UniProtKB
  4. protein serine/threonine kinase activity Source: UniProtKB
  5. receptor signaling protein serine/threonine kinase activity Source: RefGenome

GO - Biological processi

  1. cell differentiation involved in embryonic placenta development Source: MGI
  2. central nervous system development Source: MGI
  3. endocardium development Source: MGI
  4. hepatocyte apoptotic process Source: MGI
  5. hippo signaling Source: UniProtKB
  6. intracellular signal transduction Source: UniProtKB
  7. negative regulation of canonical Wnt signaling pathway Source: MGI
  8. negative regulation of cell proliferation Source: MGI
  9. negative regulation of organ growth Source: MGI
  10. neural tube formation Source: MGI
  11. positive regulation of JNK cascade Source: MGI
  12. positive regulation of apoptotic process Source: UniProtKB
  13. positive regulation of extrinsic apoptotic signaling pathway via death domain receptors Source: MGI
  14. positive regulation of protein kinase B signaling Source: MGI
  15. primitive hemopoiesis Source: MGI
  16. protein phosphorylation Source: UniProtKB
  17. signal transduction by phosphorylation Source: GOC
Complete GO annotation...

Keywords - Molecular functioni

Kinase, Serine/threonine-protein kinase, Transferase

Keywords - Biological processi

Apoptosis

Keywords - Ligandi

ATP-binding, Magnesium, Metal-binding, Nucleotide-binding

Enzyme and pathway databases

ReactomeiREACT_196537. Signaling by Hippo.

Names & Taxonomyi

Protein namesi
Recommended name:
Serine/threonine-protein kinase 3 (EC:2.7.11.1)
Alternative name(s):
Mammalian STE20-like protein kinase 2
Short name:
MST-2
STE20-like kinase MST2
Cleaved into the following 2 chains:
Gene namesi
Name:Stk3
Synonyms:Mess1, Mst2
OrganismiMus musculus (Mouse)
Taxonomic identifieri10090 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaSciurognathiMuroideaMuridaeMurinaeMusMus
ProteomesiUP000000589: Chromosome 15

Organism-specific databases

MGIiMGI:1928487. Stk3.

Subcellular locationi

Cytoplasm By similarity. Nucleus By similarity
Note: The caspase-cleaved form cycles between nucleus and cytoplasm. Phosphorylation at Thr-117 leads to inhibition of nuclear translocation By similarity.

GO - Cellular componenti

  1. cytoplasm Source: MGI
  2. nucleus Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm, Nucleus

Pathology & Biotechi

Disruption phenotypei

Mice show progressive hepatomegaly with a 2-fold increase in liver mass relative to total body mass at 1 month of age and a 3-fold increase by 3 months of age.1 Publication

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 497497Serine/threonine-protein kinase 3
PRO_0000086690Add
BLAST
Chaini1 – 322322Serine/threonine-protein kinase 3 36kDa subunit
PRO_0000413715Add
BLAST
Chaini323 – 497175Serine/threonine-protein kinase 3 20kDa subunit
PRO_0000413716Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei1 – 11N-acetylmethionine By similarity
Modified residuei15 – 151Phosphoserine By similarity
Modified residuei117 – 1171Phosphothreonine; by PKB/AKT1 By similarity
Modified residuei180 – 1801Phosphothreonine; by autocatalysis By similarity
Modified residuei316 – 3161Phosphoserine2 Publications
Modified residuei336 – 3361Phosphothreonine By similarity
Modified residuei390 – 3901Phosphothreonine; by PKB/AKT1 By similarity
Modified residuei450 – 4501Phosphoserine By similarity

Post-translational modificationi

Phosphorylation at Thr-117 and Thr-390 by PKB/AKT1, leads to inhibition of its: cleavage, kinase activity, autophosphorylation at Thr-180, binding to RASSF1 and nuclear translocation, and increase in its binding to RAF1 By similarity.
Proteolytically cleaved by caspase-3 during apoptosis. Proteolytic cleavage results in kinase activation and nuclear translocation of the truncated form (MST1/N).1 Publication

Keywords - PTMi

Acetylation, Phosphoprotein

Proteomic databases

MaxQBiQ9JI10.
PaxDbiQ9JI10.
PRIDEiQ9JI10.

PTM databases

PhosphoSiteiQ9JI10.

Expressioni

Gene expression databases

ArrayExpressiQ9JI10.
BgeeiQ9JI10.
CleanExiMM_STK3.
GenevestigatoriQ9JI10.

Interactioni

Subunit structurei

Homodimer; mediated via the coiled-coil region. Interacts with NORE1, which inhibits autoactivation. Interacts with and stabilizes SAV1. Interacts with RAF1, which prevents dimerization and phosphorylation. Interacts with RASSF1. Interacts (via SARAH domain) with NEK2 By similarity. Interacts with ESR1 only in the presence of SAV1. Interacts with PKB/AKT1. Forms a tripartite complex with MOBKL1B and STK38. Interacts with RASSF2 (via SARAH domain) By similarity.

Protein-protein interaction databases

BioGridi207869. 1 interaction.
IntActiQ9JI10. 1 interaction.

Structurei

3D structure databases

ProteinModelPortaliQ9JI10.
SMRiQ9JI10. Positions 10-494.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini27 – 278252Protein kinase
Add
BLAST
Domaini443 – 49048SARAH
Add
BLAST

Coiled coil

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Coiled coili287 – 32842 Reviewed prediction
Add
BLAST
Coiled coili366 – 38722 Reviewed prediction
Add
BLAST
Coiled coili448 – 47932 Reviewed prediction
Add
BLAST

Compositional bias

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Compositional biasi293 – 38189Glu-rich
Add
BLAST
Compositional biasi308 – 3147Poly-Glu
Compositional biasi370 – 38112Poly-Glu
Add
BLAST

Sequence similaritiesi

Contains 1 SARAH domain.

Keywords - Domaini

Coiled coil

Phylogenomic databases

eggNOGiCOG0515.
GeneTreeiENSGT00640000091192.
HOGENOMiHOG000234203.
HOVERGENiHBG108518.
InParanoidiQ9JI10.
KOiK04412.
OMAiXDEDELD.
OrthoDBiEOG7TF79T.
PhylomeDBiQ9JI10.
TreeFamiTF354217.

Family and domain databases

InterProiIPR011009. Kinase-like_dom.
IPR024205. Mst1_SARAH_domain.
IPR000719. Prot_kinase_dom.
IPR017441. Protein_kinase_ATP_BS.
IPR011524. SARAH_dom.
IPR002290. Ser/Thr_dual-sp_kinase_dom.
[Graphical view]
PfamiPF11629. Mst1_SARAH. 1 hit.
PF00069. Pkinase. 1 hit.
[Graphical view]
SMARTiSM00220. S_TKc. 1 hit.
[Graphical view]
SUPFAMiSSF56112. SSF56112. 1 hit.
PROSITEiPS00107. PROTEIN_KINASE_ATP. 1 hit.
PS50011. PROTEIN_KINASE_DOM. 1 hit.
PS50951. SARAH. 1 hit.
[Graphical view]

Sequences (2)i

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

This entry describes 2 isoformsi produced by alternative splicing. Align

Isoform 1 (identifier: Q9JI10-1) [UniParc]FASTAAdd to Basket

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide

MEQPPASKSK LKKLSEDSLT KQPEEVFDVL EKLGEGSYGS VFKAIHKESG    50
QVVAIKQVPV ESDLQEIIKE ISIMQQCDSP YVVKYYGSYF KNTDLWIVME 100
YCGAGSVSDI IRLRNKTLTE DEIATILKST LKGLEYLHFM RKIHRDIKAG 150
NILLNTEGHA KLADFGVAGQ LTDTMAKRNT VIGTPFWMAP EVIQEIGYNC 200
VADIWSLGIT SIEMAEGKPP YADIHPMRAI FMIPTNPPPT FRKPELWSDD 250
FTDFVKKCLV KSPEQRATAT QLLQHPFIKN AKPVSILRDL IAEAMEIKAK 300
RHEEQQRELE EEEENSDEDE LDSHTMVKTS SESVGTMRAT STMSEGAQTM 350
IEHNSTMLES DLGTMVINSE EEEEEEEEEE EDGTMKRNAT SPQVQRPSFM 400
DYFDKQDFKN KSHENCDQSM REPGPMSNSV FPDNWRVPQD GDFDFLKNLS 450
LEELQMRLKA LDPMMEREIE ELHQRYSAKR QPILDAMDAK KRRQQNF 497
Length:497
Mass (Da):56,855
Last modified:October 1, 2000 - v1
Checksum:i9CDD365437581665
GO
Isoform 2 (identifier: Q9JI10-2) [UniParc]FASTAAdd to Basket

The sequence of this isoform differs from the canonical sequence as follows:
     9-78: Missing.

Note: No experimental confirmation available.

Show »
Length:427
Mass (Da):49,067
Checksum:i556176AE5A26F79E
GO

Sequence cautioni

The sequence AAA75300.1 differs from that shown. Reason: Frameshift at position 432.

Alternative sequence

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Alternative sequencei9 – 7870Missing in isoform 2.
VSP_020047Add
BLAST

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF271361 mRNA. Translation: AAF75790.1.
U28726 mRNA. Translation: AAA75300.1. Frameshift.
AY058922 mRNA. Translation: AAL29682.1.
BC037440 mRNA. Translation: AAH37440.1.
BC049123 mRNA. Translation: AAH49123.2.
CCDSiCCDS37059.1. [Q9JI10-1]
RefSeqiNP_062609.2. NM_019635.2. [Q9JI10-1]
UniGeneiMm.262330.

Genome annotation databases

EnsembliENSMUST00000018476; ENSMUSP00000018476; ENSMUSG00000022329. [Q9JI10-1]
ENSMUST00000067033; ENSMUSP00000064225; ENSMUSG00000022329. [Q9JI10-2]
GeneIDi56274.
KEGGimmu:56274.
UCSCiuc007vlz.1. mouse. [Q9JI10-1]
uc011zrz.1. mouse. [Q9JI10-2]

Keywords - Coding sequence diversityi

Alternative splicing

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF271361 mRNA. Translation: AAF75790.1 .
U28726 mRNA. Translation: AAA75300.1 . Frameshift.
AY058922 mRNA. Translation: AAL29682.1 .
BC037440 mRNA. Translation: AAH37440.1 .
BC049123 mRNA. Translation: AAH49123.2 .
CCDSi CCDS37059.1. [Q9JI10-1 ]
RefSeqi NP_062609.2. NM_019635.2. [Q9JI10-1 ]
UniGenei Mm.262330.

3D structure databases

ProteinModelPortali Q9JI10.
SMRi Q9JI10. Positions 10-494.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

BioGridi 207869. 1 interaction.
IntActi Q9JI10. 1 interaction.

Chemistry

BindingDBi Q9JI10.
ChEMBLi CHEMBL4310.

PTM databases

PhosphoSitei Q9JI10.

Proteomic databases

MaxQBi Q9JI10.
PaxDbi Q9JI10.
PRIDEi Q9JI10.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

Ensembli ENSMUST00000018476 ; ENSMUSP00000018476 ; ENSMUSG00000022329 . [Q9JI10-1 ]
ENSMUST00000067033 ; ENSMUSP00000064225 ; ENSMUSG00000022329 . [Q9JI10-2 ]
GeneIDi 56274.
KEGGi mmu:56274.
UCSCi uc007vlz.1. mouse. [Q9JI10-1 ]
uc011zrz.1. mouse. [Q9JI10-2 ]

Organism-specific databases

CTDi 6788.
MGIi MGI:1928487. Stk3.

Phylogenomic databases

eggNOGi COG0515.
GeneTreei ENSGT00640000091192.
HOGENOMi HOG000234203.
HOVERGENi HBG108518.
InParanoidi Q9JI10.
KOi K04412.
OMAi XDEDELD.
OrthoDBi EOG7TF79T.
PhylomeDBi Q9JI10.
TreeFami TF354217.

Enzyme and pathway databases

Reactomei REACT_196537. Signaling by Hippo.

Miscellaneous databases

NextBioi 312160.
PROi Q9JI10.
SOURCEi Search...

Gene expression databases

ArrayExpressi Q9JI10.
Bgeei Q9JI10.
CleanExi MM_STK3.
Genevestigatori Q9JI10.

Family and domain databases

InterProi IPR011009. Kinase-like_dom.
IPR024205. Mst1_SARAH_domain.
IPR000719. Prot_kinase_dom.
IPR017441. Protein_kinase_ATP_BS.
IPR011524. SARAH_dom.
IPR002290. Ser/Thr_dual-sp_kinase_dom.
[Graphical view ]
Pfami PF11629. Mst1_SARAH. 1 hit.
PF00069. Pkinase. 1 hit.
[Graphical view ]
SMARTi SM00220. S_TKc. 1 hit.
[Graphical view ]
SUPFAMi SSF56112. SSF56112. 1 hit.
PROSITEi PS00107. PROTEIN_KINASE_ATP. 1 hit.
PS50011. PROTEIN_KINASE_DOM. 1 hit.
PS50951. SARAH. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "MST, a physiological caspase substrate, highly sensitizes apoptosis both upstream and downstream of caspase activation."
    Lee K.-K., Ohyama T., Yajima N., Tsubuki S., Yonehara S.
    J. Biol. Chem. 276:19276-19285(2001) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1), PROTEOLYTIC PROCESSING.
    Strain: BALB/c.
  2. Han J.
    Submitted (JUN-1995) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1).
    Tissue: Liver.
  3. "Molecular cloning and characterization of mouse MST2 kinase from olfactory receptor neurons."
    de las Heras R., Mackay-Sim A., Bushell G.R.
    Submitted (OCT-2001) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1).
    Tissue: Olfactory epithelium.
  4. "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)."
    The MGC Project Team
    Genome Res. 14:2121-2127(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORMS 1 AND 2).
    Strain: C57BL/6 and FVB/N.
    Tissue: Brain and Mammary gland.
  5. Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-316, IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
    Tissue: Liver.
  6. "The phagosomal proteome in interferon-gamma-activated macrophages."
    Trost M., English L., Lemieux S., Courcelles M., Desjardins M., Thibault P.
    Immunity 30:143-154(2009) [PubMed] [Europe PMC] [Abstract]
    Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-316, IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
  7. "Large scale localization of protein phosphorylation by use of electron capture dissociation mass spectrometry."
    Sweet S.M., Bailey C.M., Cunningham D.L., Heath J.K., Cooper H.J.
    Mol. Cell. Proteomics 8:904-912(2009) [PubMed] [Europe PMC] [Abstract]
    Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
    Tissue: Embryonic fibroblast.
  8. "Hippo signaling is a potent in vivo growth and tumor suppressor pathway in the mammalian liver."
    Lu L., Li Y., Kim S.M., Bossuyt W., Liu P., Qiu Q., Wang Y., Halder G., Finegold M.J., Lee J.S., Johnson R.L.
    Proc. Natl. Acad. Sci. U.S.A. 107:1437-1442(2010) [PubMed] [Europe PMC] [Abstract]
    Cited for: FUNCTION, DISRUPTION PHENOTYPE.

Entry informationi

Entry nameiSTK3_MOUSE
AccessioniPrimary (citable) accession number: Q9JI10
Secondary accession number(s): Q60877, Q80UG4, Q8CI58
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 26, 2004
Last sequence update: October 1, 2000
Last modified: September 3, 2014
This is version 119 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. MGD cross-references
    Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
  2. Human and mouse protein kinases
    Human and mouse protein kinases: classification and index
  3. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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