Structure of PDB 1a81 Chain C

Receptor sequence
>1a81C (length=254) Species: 9606 (Homo sapiens) [Search protein sequence]
SANHLPFFFGNITREEAEDYLVQGGMSDGLYLLRQSRNYLGGFALSVAHG
RKAHHYTIERELNGTYAIAGGRTHASPADLCHYHSQESDGLVCLLKKPFN
RPQGVQPKTGPFEDLKENLIREYVKQTWNLQGQALEQAIISQKPQLEKLI
ATTAHEKMPWFHGKISREESEQIVLIGSKTNGKFLIRARDNNGSYALCLL
HEGKVLHYRIDKDKTGKLSIPEGKKFDTLWQLVEHYSYKADGLLRVLTVP
CQKI
3D structure
PDB1a81 Structural basis for Syk tyrosine kinase ubiquity in signal transduction pathways revealed by the crystal structure of its regulatory SH2 domains bound to a dually phosphorylated ITAM peptide.
ChainC
Resolution3.0 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.7.10.2: non-specific protein-tyrosine kinase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 peptide C R22 R42 H63 Y64 I76 R175 R195 R197 H215 Y216 R217 I228 P229 K232 K247 D249 G250 L252 R14 R34 H55 Y56 I68 R167 R187 R189 H207 Y208 R209 I220 P221 K224 K239 D241 G242 L244
Gene Ontology
Molecular Function
GO:0004715 non-membrane spanning protein tyrosine kinase activity

View graph for
Molecular Function
External links
PDB RCSB:1a81, PDBe:1a81, PDBj:1a81
PDBsum1a81
PubMed9698567
UniProtP43405|KSYK_HUMAN Tyrosine-protein kinase SYK (Gene Name=SYK)

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