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4TNQ

Structural basis of cellular dNTP regulation, SAMHD1-GTP-dTTP-dTTP complex

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, C, D, B)
Deoxynucleoside triphosphate triphosphohydrolase SAMHD1polymer51459604.24UniProt (Q9Y3Z3)
Pfam (PF01966)
Homo sapiens (Human)dNTPase,Dendritic cell-derived IFNG-induced protein,DCIP,Monocyte protein 5,MOP-5,SAM domain and HD domain-containing protein 1
2E, G, H, J, L...
(A, C, D, B)
THYMIDINE-5'-TRIPHOSPHATEnon-polymer482.28Chemie (TTP)
3F, M, P, T
(A, D, B)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.24Chemie (GTP)
4I, K, O, R
(C, B)
MAGNESIUM IONnon-polymer24.34Chemie (MG)
5U, V, W, X
(A, C, D, B)
waterwater18.0238Chemie (HOH)
Sequence modifications
A, C, D, B: 113 - 626 (UniProt: Q9Y3Z3)
PDBExternal DatabaseDetails
Arg 206His 206engineered mutation
Asn 207Asp 207engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight238416.7
Non-Polymers*Number of molecules16
Total formula weight6047.3
All*Total formula weight244464.0
*Water molecules are not included.

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PDB entries from 2025-12-24

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