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4TO2

Structure basis of cellular dNTP regulation, SAMHD1-dGTP-dGTP-dGTP/dTTP complex

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
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, K, M...
(A, B, C, D)
2'-DEOXYGUANOSINE-5'-TRIPHOSPHATEnon-polymer507.211Chemie (DGT)
PubChem (177678918)
PubChem (136110594)
PubChem (135398599)
PubChem (135402022)
PubChem (135566345)
PubChem (136254580)
PubChem (136633653)
PubChem (136828797)
PubChem (136828798)
PubChem (137226754)
PubChem (137257907)
PubChem (171699498)
3F, I, J, L, P...
(A, B, C, D)
MAGNESIUM IONnon-polymer24.38Chemie (MG)
PubChem (888)
4R
(C)
THYMIDINE-5'-TRIPHOSPHATEnon-polymer482.21Chemie (TTP)
5AA, BA, Y, Z
(C, D, A, B)
waterwater18.0233Chemie (HOH)
Sequence modifications
A, B, C, D: 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 molecules20
Total formula weight6255.6
All*Total formula weight244672.3
*Water molecules are not included.

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PDB entries from 2026-03-25

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