SMTL ID : 1hmw.1

ACTIVE SITE OF CHONDROITINASE AC LYASE REVEALED BY THE STRUCTURE OF ENZYME-OLIGOSACCHARIDE COMPLEXES AND MUTAGENESIS

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

monomer

Ligands

1 x MAN- GCU- XYP- MXY- RAM: 2-O-methyl-beta-L-fucopyranose-(1-4)-beta-D-xylopyranose-(1-4)-alpha-D-glucopyranuronic acid-(1-2)-[alpha-L-rhamnopyranose-(1-4)]alpha-D-mannopyranose

MAN-GCU-XYP-MXY-RAM.1: 5 residues within 4Å: Chain A: R.415, R.421, S.455, N.479, A.480 4 PLIP interactions: 4 interactions with chain A Water bridges: A:R.421, A:D.454 Salt bridges: A:R.415, A:R.421

1 x MAN- GCU- RAM: alpha-D-glucopyranuronic acid-(1-2)-[alpha-L-rhamnopyranose-(1-4)]alpha-D-mannopyranose

MAN-GCU-RAM.2: 4 residues within 4Å: Chain A: K.299, S.328, V.330, A.331 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:K.299 Water bridges: A:A.331, A:A.331

1 x NG6- BDP- ASG- GCD: 4-deoxy-alpha-L-threo-hex-4-enopyranuronic acid-(1-3)-2-acetamido-2-deoxy-4-O-sulfo-beta-D-galactopyranose-(1-4)-beta-D-glucopyranuronic acid-(1-3)-2-acetamido-2-deoxy-6-O-sulfo-beta-D-galactopyranose

NG6-BDP-ASG-GCD.3: 15 residues within 4Å: Chain A: T.74, N.125, W.126, W.127, H.128, N.175, H.225, S.233, Y.234, V.237, R.288, R.292, N.374, E.376, W.427 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:Y.234 Hydrogen bonds: A:T.74, A:R.288, A:R.288, A:R.292, A:R.292, A:E.376, A:N.125, A:N.125, A:W.126, A:N.175, A:R.288, A:N.374, A:R.292, A:W.427 Water bridges: A:W.127, A:N.175, A:R.292, A:W.126 Salt bridges: A:R.292, A:H.225, A:R.288, A:H.225

1 x CA: CALCIUM ION(Non-covalent)

CA.4: 5 residues within 4Å: Chain A: E.405, D.407, K.408, D.416, Y.417 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.405, A:D.407, A:D.416, H2O.5, H2O.10

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Huang, W. et al., Active site of chondroitin AC lyase revealed by the structure of enzyme-oligosaccharide complexes and mutagenesis. Biochemistry (2001)

Release Date

2001-05-02

Peptides

CHONDROITINASE AC: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

CHONDROITINASE AC

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