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4ERM

Crystal structure of the dATP inhibited E. coli class Ia ribonucleotide reductase complex at 4 Angstroms resolution

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Ribonucleoside-diphosphate reductase 1 subunit alphapolymer76185877.14UniProt (P00452)
Pfam (PF03477)
Pfam (PF00317)
Pfam (PF02867)
Escherichia coli K-12Protein B1, Ribonucleoside-diphosphate reductase 1 R1 subunit, Ribonucleotide reductase 1
2E, F, G, H
(E, F, G, H)
Ribonucleoside-diphosphate reductase 1 subunit betapolymer37543426.94UniProt (P69924)
Pfam (PF00268)
Escherichia coli K-12Protein B2, Protein R2, Ribonucleotide reductase 1
3I, K, M, O, Q...
(A, B, C, D)
2'-DEOXYADENOSINE 5'-TRIPHOSPHATEnon-polymer491.28Chemie (DTP)
PubChem (622)
PubChem (15993)
PubChem (44119995)
PubChem (448808)
PubChem (46936612)
PubChem (57233913)
PubChem (91632917)
PubChem (92341128)
PubChem (92449119)
PubChem (92449120)
PubChem (89346292)
PubChem (129069956)
PubChem (171699368)
4J, N, R, V
(A, B, C, D)
2'-DEOXYADENOSINE-5'-DIPHOSPHATEnon-polymer411.24Chemie (DAT)
PubChem (620)
PubChem (177678916)
PubChem (188966)
PubChem (53477733)
PubChem (56988235)
PubChem (92132338)
PubChem (92436381)
PubChem (92449117)
PubChem (92449118)
PubChem (92449116)
PubChem (92449115)
5L, P, T, X
(A, B, C, D)
MAGNESIUM IONnon-polymer24.34Chemie (MG)
PubChem (888)
6AA, BA, Y, Z
(G, H, E, F)
MU-OXO-DIIRONnon-polymer127.74Chemie (FEO)
7CA, DA, EA, FA
(E, F, G, H)
waterwater18.08Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight517215.8
Non-Polymers*Number of molecules20
Total formula weight6182.2
All*Total formula weight523398.0
*Water molecules are not included.

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PDB entries from 2026-04-01

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