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4R6V

Crystal Structure of FGF Receptor (FGFR) 4 Kinase Harboring the V550L Gate-Keeper Mutation in Complex with FIIN-3, an Irreversible Tyrosine Kinase Inhibitor Capable of Overcoming FGFR kinase Gate-Keeper Mutations

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0004713molecular_functionprotein tyrosine kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues19
DetailsBINDING SITE FOR RESIDUE FI3 A 801
ChainResidue
ALEU473
AGLU551
ACYS552
AALA553
AGLY556
AGLU560
ALEU619
AALA629
AASP630
APHE631
ALEU633
AGLU475
AGLY476
ACYS477
APHE478
ALYS503
AGLU520
AILE534
ALEU550

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 802
ChainResidue
AARG563
AARG566
AGLY687
ASER688
AHOH930

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 803
ChainResidue
AARG559
AARG563
AHOH941

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues31
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. LGEGCFGQVVrAeafgmdparpdqast...VAVK
ChainResidueDetails
ALEU473-LYS503

site_idPS00109
Number of Residues13
DetailsPROTEIN_KINASE_TYR Tyrosine protein kinases specific active-site signature. CIHrDLAARNVLV
ChainResidueDetails
ACYS608-VAL620

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":"PRU10028","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

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

239803

PDB entries from 2025-08-06

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