4O0A: Replication protein A 70 kDa DNA-binding subunit

Fragment-Based Discovery of a Potent Inhibitor of Replication Protein A Protein-Protein Interactions. Determined by X-ray diffraction at 1.2 Å resolution. Released 8 Jan 2014.

Method
X-ray diffraction
Resolution
1.2 Å
Organism
Homo sapiens
Chains
1
Atoms
1,285
Mol. weight
14.12 kDa
Ligands
2P9
Released
8 Jan 2014

Explore 4O0A in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4O0A contains 7 α-helices and 6 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 7 helices, 6 β-strands

ElementResiduesLengthSheet
α-helix1-44
α-helix9-113
α-helix12-165
β-strand24-3291
α-helix33-342
β-strand42-4761
β-strand51-5881
α-helix60-623
α-helix63-675
β-strand76-86111
β-strand92-103121
α-helix105-1084
β-strand116-11721

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Replication protein A 70 kDa DNA-binding subunitAprotein123Homo sapiensP27694 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>4O0A_1 Replication protein A 70 kDa DNA-binding subunit (chains A)
GSHMVGQLSRGAIAAIMQKGDTNIKPILQVINIRPITTGNSPPRYRLLMSDGLNTLSSFM
LATQLNPLVEEEQLSSNCVCQIHRFIVNTLKDGRRVVILMELEVLKSAEAVGVKIGNPVP
YNE

Ligands and cofactors

IDNameFormulaCopies
2P95-{4-[({[4-(5-carboxyfuran-2-yl)-2-chlorophenyl]carbonothioyl}amino)methyl]phen…C29 H18 Cl3 N3 O5 S1

Primary citation

Discovery of a potent inhibitor of replication protein a protein-protein interactions using a fragment-linking approach. Frank, A.O., Feldkamp, M.D., Kennedy, J.P. et al. J Med Chem (2013) 56:9242-9250. DOI 10.1021/jm401333u · PubMed

Other PDB entries of the same protein (UniProt P27694 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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