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7B4D

Structural basis of reactivation of oncogenic p53 mutants by a small molecule: methylene quinuclidinone (MQ). Human p53DBD-R273C/S240R double mutant bound to DNA and MQ: R273C/S240R-DNA-MQ

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Cellular tumor antigen p53polymer20022521.61UniProt (P04637)
Pfam (PF00870)
Homo sapiens (Human)Antigen NY-CO-13,Phosphoprotein p53,Tumor suppressor p53
2B
(C)
DNA targetpolymer123664.41synthetic construct
3C
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
4D, F, G
(A)
(2~{S})-2-methyl-1-azabicyclo[2.2.2]octan-3-onenon-polymer139.23Chemie (QNN)
5E
(A)
(2~{R})-2-methyl-1-azabicyclo[2.2.2]octan-3-onenon-polymer139.21Chemie (QN8)
6H, I, J
(A)
FORMIC ACIDnon-polymer46.03Chemie (FMT)
7K, L
(A, C)
waterwater18.0148Chemie (HOH)
Sequence modifications
A: 94 - 293 (UniProt: P04637)
PDBExternal DatabaseDetails
Arg 240Ser 240engineered mutation
Cys 273Arg 273engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight26186.0
Non-Polymers*Number of molecules8
Total formula weight760.3
All*Total formula weight26946.3
*Water molecules are not included.

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PDB entries from 2025-06-11

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