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4NKA

Crystal structure of human fibroblast growth factor receptor 1 kinase domain in complex with pyrazolaminopyrimidine 2

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Fibroblast growth factor receptor 1polymer30935135.32UniProt (P11362)
Pfam (PF07714)
Homo sapiens (human)FGFR-1, Basic fibroblast growth factor receptor 1, BFGFR, bFGF-R-1, Fms-like tyrosine kinase 2, FLT-2, N-sam, Proto-oncogene c-Fgr
2C, D, H
(A, B)
SULFATE IONnon-polymer96.13Chemie (SO4)
3E, F, I
(A, B)
1,2-ETHANEDIOLnon-polymer62.13Chemie (EDO)
4G, J
(A, B)
N~4~-{3-[2-(3,4-dimethoxyphenyl)ethyl]-1H-pyrazol-5-yl}-N~2~-[(3-methyl-1,2-oxazol-5-yl)methyl]pyrimidine-2,4-diaminenon-polymer435.52Chemie (2K7)
5K, L
(A, B)
waterwater18.0216Chemie (HOH)
Sequence modifications
A, B: 458 - 765 (UniProt: P11362)
PDBExternal DatabaseDetails
Gly 457-expression tag
Ala 488Cys 488engineered mutation
Ser 584Cys 584engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight70270.7
Non-Polymers*Number of molecules8
Total formula weight1345.4
All*Total formula weight71616.0
*Water molecules are not included.

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PDB entries from 2026-02-04

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