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7KWV

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 and cesium ion at the metal coordination site at 1.30 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, H, L, O, P
(A, B)
1,2-ETHANEDIOLnon-polymer62.15Chemie (EDO)
5E
(A)
CHLORIDE IONnon-polymer35.51Chemie (CL)
6F
(B)
2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acidnon-polymer316.21Chemie (0JO)
7G
(B)
DI(HYDROXYETHYL)ETHERnon-polymer106.11Chemie (PEG)
8I, J, K
(B)
BICINEnon-polymer163.23Chemie (BCN)
9M, N
(B)
CESIUM IONnon-polymer132.92Chemie (CS)
10Q, R
(A, B)
waterwater18.0809Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight71617.7
Non-Polymers*Number of molecules14
Total formula weight1888.7
All*Total formula weight73506.3
*Water molecules are not included.

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PDB entries from 2025-12-24

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