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7B47

Structural basis of reactivation of oncogenic p53 mutants by a small molecule: methylene quinuclidinone (MQ). Human p53DBD-R273H mutant bound to MQ: R273H-MQ (I)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Cellular tumor antigen p53polymer20022486.54UniProt (P04637)
Pfam (PF00870)
Homo sapiens (Human)Antigen NY-CO-13,Phosphoprotein p53,Tumor suppressor p53
2E, H, L, N
(A, B, C, D)
ZINC IONnon-polymer65.44Chemie (ZN)
3F, G, J, O, P...
(A, B, D)
(2~{R})-2-methyl-1-azabicyclo[2.2.2]octan-3-onenon-polymer139.26Chemie (QN8)
4I, K, M, Q
(B, C, D)
(2~{S})-2-methyl-1-azabicyclo[2.2.2]octan-3-onenon-polymer139.24Chemie (QNN)
5S, T, U, V
(A, B, C, D)
waterwater18.0422Chemie (HOH)
Sequence modifications
A, B, C, D: 94 - 293 (UniProt: P04637)
PDBExternal DatabaseDetails
His 273Arg 273engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight89946.1
Non-Polymers*Number of molecules14
Total formula weight1653.6
All*Total formula weight91599.7
*Water molecules are not included.

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PDB entries from 2025-06-18

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