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2QB3

Structural Studies Reveal the Inactivation of E. coli L-Aspartate Aminotransferase by (s)-4,5-dihydro-2-thiophenecarboxylic acid (SADTA) via Two Mechanisms (at pH 7.5)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Aspartate aminotransferasepolymer39643744.31UniProt (P00509)
Pfam (PF00155)
Escherichia coliTransaminase A, ASPAT
2B, C
(A)
SULFATE IONnon-polymer96.12Chemie (SO4)
3D
(A)
4-[({3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY)METHYL]PYRIDIN-4-YL}METHYL)AMINO]THIOPHENE-2-CARBOXYLIC ACIDnon-polymer374.31Chemie (PSZ)
4E
(A)
4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATEnon-polymer248.21Chemie (PMP)
5F, G, H, I, J...
(A)
GLYCEROLnon-polymer92.17Chemie (GOL)
6M
(A)
waterwater18.0414Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight43744.3
Non-Polymers*Number of molecules11
Total formula weight1459.3
All*Total formula weight45203.6
*Water molecules are not included.

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PDB entries from 2025-06-18

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