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spleen tyrosine kinase (Syk)
Function:
- tyrosine kinase
- activated by integrin-beta 1 & integrin-beta 3 cross-linking [1]
- apparently associates with surface immunoglobulin (sIg) B-cell antigen receptor & with high affinity IgE receptor in mast cells & is activated by ligand binding to these receptors
- role in proliferation, differentiation, & phagocytosis
Structure:
- contains 2 SH2 domains
Expression:
- expressed in hematopoietic cells
Pharmacology:
- fostamatinib is a small molecule Syk kinase inhibitor with potential anti-inflammatory & immunomodulating activities
General
tyrosine kinase (protein tyrosine kinase, PTK)
Properties
COMPARTMENT: cellular compartment
CELL: unspecified cell type
WITHIN: spleen
STATE: active state
MOTIF: Tyr phosphorylation site
kinase domain
MOTIF: ATP-binding site
NAME: ATP-binding site
MISC-INFO: RECOGNITION-MOTIF
:SEQUENCE EDAE[Y*]AARRRG
:REF " - Kemp BE, Pearson RB.
Protein kinase recognition sequence motifs.
Trends Biochem Sci. 1990 Sep;15(9):342-6. Review.
PMID: 2238044"
Database Correlations
OMIM 600085
UniProt P43405
KEGG correlations
References
- Clark EA & Brugge JS
Integrins and signal transduction pathways: the road taken.
Science 268:233 1995
PMID: 7716514