SMTL ID : 1hkk.1

High resoultion crystal structure of human chitinase in complex with allosamidin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.85 Å

Oligo State

monomer

Ligands

2 x NAA- NAA: 2-acetamido-2-deoxy-beta-D-allopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-allopyranose(Non-covalent)

NAA-NAA.1: 12 residues within 4Å: Chain A: W.10, F.37, G.77, W.78, N.79, Y.246, R.248, E.276, M.279, W.337 Ligands: NAA-NAA.2, AMI.3 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:W.10 Hydrogen bonds: A:N.79, A:E.276 NAA-NAA.2: 10 residues within 4Å: Chain A: W.78, E.119, Y.120, D.192, W.197, R.248, E.276 Ligands: NAA-NAA.1, AMI.3, AMI.4 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:W.197 Hydrogen bonds: A:R.248, A:R.248 Water bridges: A:N.79

2 x AMI: ALLOSAMIZOLINE(Non-covalent)

AMI.3: 15 residues within 4Å: Chain A: Y.6, F.37, G.77, W.78, D.117, E.119, A.162, M.189, Y.191, D.192, Y.246, M.335, W.337 Ligands: NAA-NAA.1, NAA-NAA.2 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:W.337 Hydrogen bonds: A:W.78, A:Y.191, A:D.192 AMI.4: 10 residues within 4Å: Chain A: W.78, Y.120, Q.124, P.164, A.165, G.166, Y.169, D.192, F.193 Ligands: NAA-NAA.2 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:A.165, A:G.166, A:F.193 pi-Stacking: A:Y.169

3 x ZN: ZINC ION(Non-covalent)(Non-functional Binders)

ZN.5: 2 residues within 4Å: Chain A: H.194, E.198 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:H.194, A:E.198, H2O.10, H2O.10, H2O.10 ZN.6: 3 residues within 4Å: Chain A: H.43, D.87, N.94 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.43, A:D.87, A:D.87, H2O.10 ZN.7: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Rao, F.V. et al., Crystal Structures of Allosamidin Derivatives in Complex with Human Macrophage Chitinase. J.Biol.Chem. (2003)

Release Date

2004-03-11

Peptides

CHITOTRIOSIDASE-1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

CHITOTRIOSIDASE-1