SMTL ID : 1hmu.1

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 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: 4 residues within 4Å: Chain A: R.415, R.421, S.455, N.479 1 PLIP interactions: 1 interactions with chain A Water bridges: A:R.421, A:D.454, A:S.455, A:R.415 Salt bridges: A:R.415, A:R.421 Hydrogen bonds: A:N.479

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 ASG- GCD: 4-deoxy-alpha-L-threo-hex-4-enopyranuronic acid-(1-3)-2-acetamido-2-deoxy-4-O-sulfo-beta-D-galactopyranose(Non-covalent)

ASG-GCD.3: 8 residues within 4Å: Chain A: T.74, W.127, H.128, S.233, Y.234, V.237, R.288, R.292 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:Y.234 Hydrogen bonds: A:Y.234, A:R.292, A:R.292, A:R.292 Water bridges: A:R.288, A:N.374 Salt bridges: A:R.288, A:R.292

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:D.407, A:D.416, A:Y.417, H2O.3, H2O.6

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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