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4IBY

Human p53 core domain with hot spot mutation R273H and second-site suppressor mutation S240R

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Cellular tumor antigen p53polymer20022556.72UniProt (P04637)
Pfam (PF00870)
Homo sapiens (human)Antigen NY-CO-13, Phosphoprotein p53, Tumor suppressor p53
2C, F
(A, B)
ZINC IONnon-polymer65.42Chemie (ZN)
3D, E, G, H, I...
(A, B)
1,2-ETHANEDIOLnon-polymer62.17Chemie (EDO)
4L, M
(A, B)
waterwater18.0753Chemie (HOH)
Sequence modifications
A, B: 94 - 293 (UniProt: P04637)
PDBExternal DatabaseDetails
Arg 240Ser 240engineered mutation
His 273Arg 273engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight45113.3
Non-Polymers*Number of molecules9
Total formula weight565.3
All*Total formula weight45678.6
*Water molecules are not included.

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PDB entries from 2025-07-23

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