Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

4FSR

Crystal Structure of the CHK1

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Serine/threonine-protein kinase Chk1polymer27932154.01UniProt (O14757)
Pfam (PF00069)
Homo sapiens (human)CHK1 checkpoint homolog, Cell cycle checkpoint kinase, Checkpoint kinase-1
2B
(A)
6,7-dimethoxy-3-[4-(1H-tetrazol-5-yl)phenyl]-1,4-dihydroindeno[1,2-c]pyrazolenon-polymer360.41Chemie (HKC)
3C
(A)
SULFATE IONnon-polymer96.11Chemie (SO4)
4D
(A)
waterwater18.0134Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight32154.0
Non-Polymers*Number of molecules2
Total formula weight456.4
All*Total formula weight32610.5
*Water molecules are not included.

238895

PDB entries from 2025-07-16

PDB statisticsPDBj update infoContact PDBjnumon