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9MR6

X-ray crystal structure of SAMHD1 from Rhizophagus irregularis

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
HD domain-containing proteinpolymer48357149.34UniProt (A0A015K8Z8)
Pfam (PF01966)
Pfam (PF19276)
Rhizophagus irregularis
2E, G, P, Q
(A, D)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.24Chemie (GTP)
PubChem (177679032)
PubChem (135400627)
PubChem (135487750)
PubChem (136088935)
PubChem (136803486)
PubChem (135398633)
PubChem (135544356)
PubChem (135547949)
PubChem (135600366)
PubChem (135749822)
PubChem (136005188)
PubChem (136073923)
PubChem (136240914)
PubChem (136664747)
PubChem (136772743)
PubChem (136772744)
PubChem (136803487)
PubChem (137286749)
PubChem (164715984)
PubChem (171699466)
3F, J, M, R
(A, B, C, D)
PYROPHOSPHATE 2-non-polymer176.04Chemie (POP)
PubChem (4995)
4H, K, N, S
(A, B, C, D)
MANGANESE (II) IONnon-polymer54.94Chemie (MN)
PubChem (27854)
5I, L, O, T
(A, B, C, D)
CALCIUM IONnon-polymer40.14Chemie (CA)
PubChem (271)
6U, V, W, X
(A, B, C, D)
waterwater18.0137Chemie (HOH)
Sequence modifications
A, B, C, D: 1 - 463 (UniProt: A0A015K8Z8)
PDBExternal DatabaseDetails
Met -19-initiating methionine
Gly -18-expression tag
Ser -17-expression tag
Ser -16-expression tag
His -15-expression tag
His -14-expression tag
His -13-expression tag
His -12-expression tag
His -11-expression tag
His -10-expression tag
Ser -9-expression tag
Ser -8-expression tag
Gly -7-expression tag
Leu -6-expression tag
Val -5-expression tag
Pro -4-expression tag
Arg -3-expression tag
Gly -2-expression tag
Ser -1-expression tag
His 0-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight228597.0
Non-Polymers*Number of molecules16
Total formula weight3176.6
All*Total formula weight231773.7
*Water molecules are not included.

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PDB entries from 2026-04-08

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