SMTL ID : 5dbe.1

Crystal structure of O-acetylserine sulfhydrylase from Haemophilus influenzae in complex with pre-reactive O-acetyl serine, alpha-aminoacrylate reaction intermediate and peptide inhibitor at the resolution of 2.25A

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.25 Å

Oligo State

hetero-2-2-mer

Ligands

4 x GOL: GLYCEROL(Non-functional Binders)

GOL.1: 5 residues within 4Å: Chain A: T.264, V.265, D.266, T.269, R.298 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:T.264, A:D.266, A:D.266, A:T.269, A:R.298 GOL.3: 4 residues within 4Å: Chain A: L.254, D.255, L.256, S.257 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:L.256, A:S.257 GOL.5: 5 residues within 4Å: Chain C: T.264, V.265, D.266, T.269, R.298 5 PLIP interactions: 5 interactions with chain C Hydrogen bonds: C:T.264, C:D.266, C:D.266, C:T.269, C:R.298 GOL.7: 4 residues within 4Å: Chain C: L.254, D.255, L.256, S.257 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:L.256, C:S.257

2 x OAS: O-ACETYLSERINE(Non-covalent)

OAS.2: 11 residues within 4Å: Chain A: T.85, N.88, M.112, R.116, M.136, Q.159, F.160, G.193, G.244, A.247 Ligands: 0JO.4 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.159, A:G.244 OAS.6: 11 residues within 4Å: Chain C: T.85, N.88, M.112, R.116, M.136, Q.159, F.160, G.193, G.244, A.247 Ligands: 0JO.8 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:Q.159, C:G.244

2 x 0JO: 2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acid(Non-covalent)

0JO.4: 20 residues within 4Å: Chain A: K.58, T.85, N.88, T.89, Q.159, G.191, V.192, G.193, T.194, G.195, G.196, S.197, Q.243, G.244, I.245, S.288, P.315, S.316, Y.321 Ligands: OAS.2 18 PLIP interactions: 18 interactions with chain A Hydrophobic interactions: A:T.194, A:P.315 Hydrogen bonds: A:T.85, A:N.88, A:T.89, A:Q.159, A:G.191, A:G.193, A:T.194, A:G.195, A:G.196, A:S.197, A:S.197, A:S.288 Water bridges: A:N.165, A:N.165, A:I.198 Salt bridges: A:K.58 0JO.8: 20 residues within 4Å: Chain C: K.58, T.85, N.88, T.89, Q.159, G.191, V.192, G.193, T.194, G.195, G.196, S.197, Q.243, G.244, I.245, S.288, P.315, S.316, Y.321 Ligands: OAS.6 18 PLIP interactions: 18 interactions with chain C Hydrophobic interactions: C:T.194, C:P.315 Hydrogen bonds: C:T.85, C:N.88, C:T.89, C:Q.159, C:G.191, C:G.193, C:T.194, C:G.195, C:G.196, C:S.197, C:S.197, C:S.288 Water bridges: C:N.165, C:N.165, C:I.198 Salt bridges: C:K.58

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Singh, A.K. et al., Crystal Structure Of O-Acetylserine Sulfhydrylase From Haemophilus Influenzae In Complex With Pre-Reactive O-Acetyl Serine, Alpha-Aminoacrylate Reactionintermediate And Peptide Inhibitor At The Resolution Of 2.25A. To Be Published

Release Date

2015-09-09

Peptides

Cysteine synthase: AC
C-terminal peptide from Serine acetyltransferase: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
X

C
X

B
A

D
A

Cysteine synthase

C-terminal peptide from Serine acetyltransferase

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