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4IG8

Structural basis for cytosolic double-stranded RNA surveillance by human OAS1

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
2'-5'-oligoadenylate synthase 1polymer34940135.21UniProt (P00973)
Pfam (PF01909)
Pfam (PF10421)
Homo sapiens (human)(2-5')oligo(A) synthase 1, 2-5A synthase 1, E18/E16, p46/p42 OAS
2B
(B)
RNA (5'-R(*GP*GP*CP*UP*UP*UP*UP*GP*AP*CP*CP*UP*UP*UP*AP*UP*GP*C)-3')polymer185664.31
3C
(C)
RNA (5'-R(*GP*CP*AP*UP*AP*AP*AP*GP*GP*UP*CP*AP*AP*AP*AP*GP*CP*C)-3')polymer185802.61
4D, E
(A)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
5F
(A)
2'-DEOXYADENOSINE 5'-TRIPHOSPHATEnon-polymer491.21Chemie (DTP)
6G, H, I
(A, B, C)
waterwater18.050Chemie (HOH)
Sequence modifications
A: 1 - 347 (UniProt: P00973)
PDBExternal DatabaseDetails
Gly 348-expression tag
Pro 349-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight51602.1
Non-Polymers*Number of molecules3
Total formula weight539.8
All*Total formula weight52141.9
*Water molecules are not included.

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PDB entries from 2025-07-02

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