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8QXK

Cryo-EM structure of tetrameric human SAMHD1 State I - Tense

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, C, B, D)
Deoxynucleoside triphosphate triphosphohydrolase SAMHD1polymer62672305.44UniProt (Q9Y3Z3)
Pfam (PF07647)
Pfam (PF01966)
Homo sapiens (human)
2AA, E, L, T
(D, A, C, B)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.24Chemie (GTP)
3BA, F, M, U
(D, A, C, B)
FE (III) IONnon-polymer55.84Chemie (FE)
4CA, DA, EA, G, H...
(D, A, C, B)
MAGNESIUM IONnon-polymer24.312Chemie (MG)
5FA, J, Q, Y
(D, A, C, B)
2'-DEOXYCYTIDINE-5'-TRIPHOSPHATEnon-polymer467.24Chemie (DCP)
6K, R, S, Z
(A, C, B, D)
2'-DEOXYADENOSINE 5'-TRIPHOSPHATEnon-polymer491.24Chemie (DTP)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight289221.7
Non-Polymers*Number of molecules28
Total formula weight6441.1
All*Total formula weight295662.8
*Water molecules are not included.

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PDB entries from 2026-01-21

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