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2WKJ

Crystal structure of the E192N mutant of E. Coli N-acetylneuraminic acid lyase in complex with pyruvate at 1.45A resolution in space group P212121

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
N-ACETYLNEURAMINATE LYASEpolymer30333581.34UniProt (P0A6L4)
Pfam (PF00701)
ESCHERICHIA COLIN-ACETYLNEURAMINIC ACID, N-ACETYLNEURAMINIC ACID ALDOLASE, N-ACETYLNEURAMINATE PYRUVATE-LYASE, SIALIC ACID LYASE, SIALATE LYASE, SIALIC ACID ALDOLASE, NALASE
2E, F
(A, C)
PENTAETHYLENE GLYCOLnon-polymer238.32Chemie (1PE)
3G, H
(C, D)
PYRUVIC ACIDnon-polymer88.12Chemie (PYR)
4I, J, K, L
(A, B, C, D)
waterwater18.01307Chemie (HOH)
Sequence modifications
A, B, C, D: -6 - 1 (PDB: 2WKJ)
A, B, C, D: 2 - 296 (UniProt: P0A6L4)
PDBExternal DatabaseDetails
Asn 192Glu 192engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight134325.4
Non-Polymers*Number of molecules4
Total formula weight652.7
All*Total formula weight134978.1
*Water molecules are not included.

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PDB entries from 2025-07-09

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