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4NYE

Structures of SAICAR Synthetase (PurC) from Streptococcus pneumoniae with ADP, Mg2+, AIR and L-Asp

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Phosphoribosylaminoimidazole-succinocarboxamide synthasepolymer25529208.12UniProt (Q07296)
Pfam (PF01259)
Streptococcus pneumoniaeSAICAR synthetase
2C, G
(A, B)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
3D, H
(A, B)
ADENOSINE-5'-DIPHOSPHATEnon-polymer427.22Chemie (ADP)
4E
(A)
CHLORIDE IONnon-polymer35.51Chemie (CL)
5F, I
(A, B)
ACETATE IONnon-polymer59.02Chemie (ACT)
6J, K
(A, B)
waterwater18.0161Chemie (HOH)
Sequence modifications
A, B: 1 - 235 (UniProt: Q07296)
PDBExternal DatabaseDetails
Met -19-expression tag
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 chains2
Total formula weight58416.1
Non-Polymers*Number of molecules7
Total formula weight1056.6
All*Total formula weight59472.7
*Water molecules are not included.

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PDB entries from 2024-11-06

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