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4KIO

Kinase domain mutant of human Itk in complex with a covalently-binding inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0004713molecular_functionprotein tyrosine kinase activity
A0004715molecular_functionnon-membrane spanning protein tyrosine kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
B0004672molecular_functionprotein kinase activity
B0004713molecular_functionprotein tyrosine kinase activity
B0004715molecular_functionnon-membrane spanning protein tyrosine kinase activity
B0005524molecular_functionATP binding
B0006468biological_processprotein phosphorylation
C0004672molecular_functionprotein kinase activity
C0004713molecular_functionprotein tyrosine kinase activity
C0004715molecular_functionnon-membrane spanning protein tyrosine kinase activity
C0005524molecular_functionATP binding
C0006468biological_processprotein phosphorylation
D0004672molecular_functionprotein kinase activity
D0004713molecular_functionprotein tyrosine kinase activity
D0004715molecular_functionnon-membrane spanning protein tyrosine kinase activity
D0005524molecular_functionATP binding
D0006468biological_processprotein phosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues16
DetailsBINDING SITE FOR RESIDUE G5K A 701
ChainResidue
AILE369
AASP445
ALEU489
AHOH886
AHOH887
AHOH917
CILE369
CG6K701
AALA389
APHE435
AGLU436
APHE437
AMET438
AHIS440
AGLY441
ACYS442

site_idAC2
Number of Residues17
DetailsBINDING SITE FOR RESIDUE G5K B 701
ChainResidue
BILE369
BALA389
BPHE435
BGLU436
BPHE437
BMET438
BGLU439
BGLY441
BCYS442
BASP445
BHOH801
BHOH901
BHOH924
DGLN367
DGLU368
DILE369
DG6K701

site_idAC3
Number of Residues14
DetailsBINDING SITE FOR RESIDUE G6K C 701
ChainResidue
CILE369
CALA389
CPHE435
CGLU436
CPHE437
CMET438
CGLU439
CGLY441
CCYS442
CASP445
CARG486
CLEU489
CHOH810
CHOH811

site_idAC4
Number of Residues15
DetailsBINDING SITE FOR RESIDUE G5K C 702
ChainResidue
AGLN367
CILE369
CALA389
CPHE435
CGLU436
CPHE437
CMET438
CGLU439
CGLY441
CCYS442
CASP445
CLEU489
CHOH810
CHOH811
CHOH812

site_idAC5
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO4 C 703
ChainResidue
AARG451
ALYS556
AHOH949
CARG448
CARG451
CGLY555
CLYS556
CHOH802
CHOH900

site_idAC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 C 704
ChainResidue
CSER584
CTHR585
CHOH817

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL C 705
ChainResidue
CTRP549
CLEU577
CTYR578
CHOH945
DARG562
DASP570

site_idAC8
Number of Residues16
DetailsBINDING SITE FOR RESIDUE G6K D 701
ChainResidue
BGLN367
BILE369
BG5K701
BHOH924
DILE369
DALA389
DPHE435
DGLU436
DPHE437
DMET438
DGLU439
DGLY441
DCYS442
DSER444
DASP445
DLEU489

site_idAC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 D 702
ChainResidue
DHOH806
DHOH813
DHOH837
DLYS556
DTYR578
DARG581

site_idBC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 D 703
ChainResidue
CGLN589
DLYS579
DTHR585
DHOH832

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues23
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. IGSGQFGLVHlGywlnkdk...........VAIK
ChainResidueDetails
AILE369-LYS391

site_idPS00109
Number of Residues13
DetailsPROTEIN_KINASE_TYR Tyrosine protein kinases specific active-site signature. VIHrDLAARNCLV
ChainResidueDetails
AVAL478-VAL490

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"},{"source":"PROSITE-ProRule","id":"PRU10028","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues20
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"19690332","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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