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7KYT

The aminoacrylate form of the wild-type Salmonella typhimurium Tryptophan Synthase in complex with inhibitor N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the enzyme alpha-site, cesium ion at the metal coordination site and benzimidazole (BZI) at the enzyme beta-site at 1.35 Angstrom resolution

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Tryptophan synthase alpha chainpolymer26828698.81UniProt (A0A0D6FWC1)
Pfam (PF00290)
UniProt (by SIFTS) (P00929)
Salmonella enterica subsp. enterica serovar Typhimurium
2B
(B)
Tryptophan synthase beta chainpolymer39742918.91UniProt (P0A2K1)
Pfam (PF00291)
Salmonella enterica subsp. enterica serovar Typhimurium
3C
(A)
2-({[4-(TRIFLUOROMETHOXY)PHENYL]SULFONYL}AMINO)ETHYL DIHYDROGEN PHOSPHATEnon-polymer365.21Chemie (F9F)
4D, E, L, M, N...
(A, B)
1,2-ETHANEDIOLnon-polymer62.16Chemie (EDO)
5F, G
(B)
CESIUM IONnon-polymer132.92Chemie (CS)
6H
(B)
2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acidnon-polymer316.21Chemie (0JO)
7I, K
(B)
BENZIMIDAZOLEnon-polymer118.12Chemie (BZI)
8J
(B)
BICINEnon-polymer163.21Chemie (BCN)
9P, Q
(A, B)
waterwater18.0653Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight71617.7
Non-Polymers*Number of molecules13
Total formula weight1719.1
All*Total formula weight73336.8
*Water molecules are not included.

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PDB entries from 2025-12-24

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