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8QXL

Cryo-EM structure of tetrameric human SAMHD1 State II - Hemi-relaxed

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Deoxynucleoside triphosphate triphosphohydrolase SAMHD1polymer62672305.44UniProt (Q9Y3Z3)
Pfam (PF07647)
Pfam (PF01966)
Homo sapiens (human)
2AA, E, K, T
(D, A, C)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.24Chemie (GTP)
3BA, F, N, U
(D, A, B, C)
FE (III) IONnon-polymer55.84Chemie (FE)
PubChem (29936)
4CA, DA, EA, G, H...
(D, A, B, C)
MAGNESIUM IONnon-polymer24.310Chemie (MG)
PubChem (888)
5I, X
(A, C)
2'-DEOXYCYTIDINEnon-polymer227.22Chemie (DCZ)
PubChem (13711)
6J, Y
(A, C)
TRIPHOSPHATEnon-polymer258.02Chemie (3PO)
PubChem (983)
7L, M, S, Z
(A, B, D)
2'-DEOXYADENOSINE 5'-TRIPHOSPHATEnon-polymer491.24Chemie (DTP)
8FA, R
(D, B)
2'-DEOXYCYTIDINE-5'-TRIPHOSPHATEnon-polymer467.22Chemie (DCP)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight289221.7
Non-Polymers*Number of molecules28
Total formula weight6428.5
All*Total formula weight295650.2
*Water molecules are not included.

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PDB entries from 2026-06-10

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