SMTL ID : 4ipi.1

Crystal Structure of R314A N-acetyl Neuraminic Acid Synthase from Neiserria meningitidis with Malate bound

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-dimer

Ligands

2 x MN: MANGANESE (II) ION(Non-covalent)

MN.1: 4 residues within 4Å: Chain A: Y.188, H.217, H.238 Ligands: LMR.2 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.217, A:H.238, H2O.7 MN.4: 4 residues within 4Å: Chain B: Y.188, H.217, H.238 Ligands: LMR.5 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:H.217, B:H.238, H2O.21

4 x LMR: (2S)-2-hydroxybutanedioic acid(Non-covalent)

LMR.2: 14 residues within 4Å: Chain A: E.27, K.55, Q.57, T.112, F.114, K.131, G.133, S.134, N.186, Y.188, H.217, E.236, H.238 Ligands: MN.1 17 PLIP interactions: 17 interactions with chain A Hydrophobic interactions: A:F.114 Hydrogen bonds: A:E.27, A:Q.57, A:T.112, A:S.134, A:N.186, A:Y.188 Water bridges: A:K.131, A:K.131, A:G.133, A:G.135, A:S.215, A:S.215 Salt bridges: A:K.55, A:K.131, A:K.131, A:H.217 LMR.3: 3 residues within 4Å: Chain A: Y.192 Chain B: H.267, L.271 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:L.271 Salt bridges: B:H.267 LMR.5: 14 residues within 4Å: Chain B: E.27, K.55, Q.57, T.112, F.114, K.131, G.133, S.134, N.186, Y.188, H.217, E.236, H.238 Ligands: MN.4 17 PLIP interactions: 17 interactions with chain B Hydrophobic interactions: B:F.114 Hydrogen bonds: B:E.27, B:Q.57, B:T.112, B:S.134, B:N.186, B:Y.188 Water bridges: B:K.131, B:K.131, B:G.133, B:G.135, B:S.215, B:S.215 Salt bridges: B:K.55, B:K.131, B:K.131, B:H.217 LMR.6: 3 residues within 4Å: Chain A: H.267, L.271 Chain B: Y.192 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.271 Salt bridges: A:H.267

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Joseph, D.D. et al., Arg314 Is Essential for Catalysis by N-Acetyl Neuraminic Acid Synthase from Neisseria meningitidis. Biochemistry (2013)

Release Date

2013-04-10

Peptides

Polysialic acid capsule biosynthesis protein SiaC: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Polysialic acid capsule biosynthesis protein SiaC