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3DBQ

Crystal structure of TTK kinase domain

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues23
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. IGSGGSSKVFqVlnekkqi...........YAIK
ChainResidueDetails
AILE531-LYS553

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. IvHsDLKpaNFLI
ChainResidueDetails
AILE643-ILE655

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"},{"source":"PROSITE-ProRule","id":"PRU10027","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP647
AALA651

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ALYS649
AASP647

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ATHR686
ALYS649
AASP647

site_idCSA4
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASN652
ALYS649
AASP647

239492

PDB entries from 2025-07-30

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