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7B4C

Structural basis of reactivation of oncogenic p53 mutants by a small molecule: methylene quinuclidinone (MQ). Human p53DBD-R273C mutant bound to MQ: R273C-MQ (II)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Cellular tumor antigen p53polymer20022451.54UniProt (P04637)
Pfam (PF00870)
Homo sapiens (Human)Antigen NY-CO-13,Phosphoprotein p53,Tumor suppressor p53
2E, H, N, Q
(A, B, C, D)
ZINC IONnon-polymer65.44Chemie (ZN)
3F, I, K, M, O...
(A, B, C, D)
(2~{S})-2-methyl-1-azabicyclo[2.2.2]octan-3-onenon-polymer139.26Chemie (QNN)
4G, L, P, S
(A, B, C, D)
1,2-ETHANEDIOLnon-polymer62.14Chemie (EDO)
5J
(B)
(2~{R})-2-methyl-1-azabicyclo[2.2.2]octan-3-onenon-polymer139.21Chemie (QN8)
6T, U
(D)
DI(HYDROXYETHYL)ETHERnon-polymer106.12Chemie (PEG)
7V, W, X, Y
(A, B, C, D)
waterwater18.0544Chemie (HOH)
Sequence modifications
A, B, C, D: 94 - 293 (UniProt: P04637)
PDBExternal DatabaseDetails
Cys 273Arg 273engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight89806.1
Non-Polymers*Number of molecules17
Total formula weight1696.5
All*Total formula weight91502.6
*Water molecules are not included.

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PDB entries from 2025-06-18

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