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9C8T

Crystal Structure of human cyclic GMP-AMP synthase in complex with AMPPNP and compound 2

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Cyclic GMP-AMP synthasepolymer36742846.31UniProt (Q8N884)
Pfam (PF03281)
Pfam (PF20266)
Homo sapiens (human)cGAMP synthase,cGAS,h-cGAS,2'3'-cGAMP synthase,Mab-21 domain-containing protein 1
2B, C
(A)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
3D
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
4E
(A)
PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTERnon-polymer506.21Chemie (ANP)
5F
(A)
GLYCEROLnon-polymer92.11Chemie (GOL)
6G
(A)
1-[9-(6-aminopyridin-3-yl)-6,7-dichloro-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl]-2-hydroxyethan-1-onenon-polymer391.31Chemie (JUJ)
7H
(A)
waterwater18.0300Chemie (HOH)
Sequence modifications
A: 157 - 522 (UniProt: Q8N884)
PDBExternal DatabaseDetails
Ser 156-expression tag
Glu 427Lys 427engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight42846.3
Non-Polymers*Number of molecules6
Total formula weight1103.6
All*Total formula weight43949.8
*Water molecules are not included.

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PDB entries from 2025-07-30

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