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1S1M

Crystal Structure of E. Coli CTP Synthetase

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
CTP synthasepolymer54560447.02UniProt (P0A7E5)
Pfam (PF06418)
Pfam (PF00117)
Pfam (PF07722)
Escherichia coliUTP--ammonia ligase, CTP synthetase
2C, D, Q, R
(A, B)
SULFATE IONnon-polymer96.14Chemie (SO4)
3E, F, S, T
(A, B)
MAGNESIUM IONnon-polymer24.34Chemie (MG)
4AA, G, H, I, J...
(B, A)
IODIDE IONnon-polymer126.916Chemie (IOD)
5BA, P
(B, A)
(4S)-2-METHYL-2,4-PENTANEDIOLnon-polymer118.22Chemie (MPD)
6CA, DA
(A, B)
waterwater18.0549Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight120894.0
Non-Polymers*Number of molecules26
Total formula weight2748.3
All*Total formula weight123642.2
*Water molecules are not included.

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PDB entries from 2025-06-18

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