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3HNF

Crystal structure of human ribonucleotide reductase 1 bound to the effectors TTP and dATP

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Ribonucleoside-diphosphate reductase large subunitpolymer79290179.02UniProt (P23921)
Pfam (PF03477)
Pfam (PF00317)
Pfam (PF02867)
Homo sapiens (human)Ribonucleoside-diphosphate reductase subunit M1, Ribonucleotide reductase large subunit
2C, G
(A, B)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
3D, H
(A, B)
THYMIDINE-5'-TRIPHOSPHATEnon-polymer482.22Chemie (TTP)
4E, F, J, K
(A, B)
SULFATE IONnon-polymer96.14Chemie (SO4)
5I
(B)
2'-DEOXYADENOSINE 5'-TRIPHOSPHATEnon-polymer491.21Chemie (DTP)
6L, M
(A, B)
waterwater18.048Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight180358.0
Non-Polymers*Number of molecules9
Total formula weight1888.4
All*Total formula weight182246.4
*Water molecules are not included.

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PDB entries from 2025-06-18

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