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5WI2

Crystal structure of the KA1 domain from human Chk1

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
cDNA FLJ56409, highly similar to Serine/threonine-protein kinase Chk1 (EC 2.7.11.1)polymer10211945.02UniProt (B4DT73)
UniProt (by SIFTS) (O14757)
Homo sapiens (Human)
2C, D, F, G, H...
(A, B)
ACETATE IONnon-polymer59.06Chemie (ACT)
3E
(A)
GLYCEROLnon-polymer92.11Chemie (GOL)
4J, K
(A, B)
waterwater18.030Chemie (HOH)
Sequence modifications
A, B: 377 - 476 (UniProt: B4DT73)
PDBExternal DatabaseDetails
Gly 375-expression tag
Ser 376-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight23890.1
Non-Polymers*Number of molecules7
Total formula weight446.4
All*Total formula weight24336.4
*Water molecules are not included.

248636

PDB entries from 2026-02-04

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