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3HWX

Crystal structure of menaquinone synthesis protein MenD from E. coli in complex with ThDP

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D, E...
(A, B, I, J, R...)
2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylate synthasepolymer55661449.88UniProt (P17109)
Pfam (PF02776)
Pfam (PF16582)
Pfam (PF02775)
Escherichia coliSEPHCHC synthase, Menaquinone biosynthesis protein menD
2CA, DA, EA, I, J...
(S, A, Z, B, 1...)
SODIUM IONnon-polymer23.015Chemie (NA)
3AA, FA, HA, K, LA...
(R, S, Z, A, 1...)
THIAMINE DIPHOSPHATEnon-polymer425.38Chemie (TPP)
4BA, GA, IA, L, MA...
(R, S, Z, A, 1...)
MAGNESIUM IONnon-polymer24.38Chemie (MG)
5OA, U
(1, J)
GLYCEROLnon-polymer92.12Chemie (GOL)
6PA, QA, RA, SA, TA...
(A, B, I, J, R...)
waterwater18.0451Chemie (HOH)
Sequence modifications
A, B, I, J, R, S, Z, 1: 1 - 556 (UniProt: P17109)
PDBExternal DatabaseDetails
Leu 36Pro 36engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight491598.6
Non-Polymers*Number of molecules33
Total formula weight4126.0
All*Total formula weight495724.6
*Water molecules are not included.

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PDB entries from 2025-06-18

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