SMTL ID : 5hwa.1

Crystal Structure of MH-K1 chitosanase in substrate-bound form

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.35 Å

Oligo State

monomer

Ligands

1 x GCS- GCS- GCS- GCS: 2-amino-2-deoxy-beta-D-glucopyranose-(1-4)-2-amino-2-deoxy-beta-D-glucopyranose-(1-4)-2-amino-2-deoxy-beta-D-glucopyranose-(1-4)-2-amino-2-deoxy-beta-D-glucopyranose

GCS-GCS-GCS-GCS.1: 23 residues within 4Å: Chain A: Q.37, I.53, D.55, R.57, F.64, G.65, A.66, T.67, D.73, H.75, D.77, V.147, Y.148, L.175, N.176, Q.177, G.178, A.179, T.180, G.181, K.218, Y.219 Ligands: ZN.11 3 PLIP interactions: 3 interactions with chain A Water bridges: A:T.180, A:T.180, A:G.182

1 x CAC: CACODYLATE ION(Non-covalent)

CAC.2: 8 residues within 4Å: Chain A: D.255, W.256, E.257 Ligands: ACY.3, ACY.4, ACY.5, ZN.6, ZN.7 No protein-ligand interaction detected (PLIP)

3 x ACY: ACETIC ACID(Non-functional Binders)

ACY.3: 4 residues within 4Å: Chain A: E.257 Ligands: CAC.2, ACY.4, ZN.6 No protein-ligand interaction detected (PLIP) ACY.4: 5 residues within 4Å: Chain A: D.39, E.257 Ligands: CAC.2, ACY.3, ZN.6 1 PLIP interactions: 1 interactions with chain A Water bridges: A:K.35 ACY.5: 3 residues within 4Å: Chain A: D.255 Ligands: CAC.2, ZN.7 No protein-ligand interaction detected (PLIP)

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

ZN.6: 4 residues within 4Å: Chain A: E.257 Ligands: CAC.2, ACY.3, ACY.4 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Ligand interactions Metal complexes: A:E.257, A:E.257, ACY.4 ZN.7: 3 residues within 4Å: Chain A: D.255 Ligands: CAC.2, ACY.5 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Ligand interactions Metal complexes: A:D.255, A:D.255, ACY.5 ZN.8: 2 residues within 4Å: Chain A: D.52, E.54 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.52, A:E.54, H2O.14 ZN.9: 1 residues within 4Å: Chain A: S.248 No protein-ligand interaction detected (PLIP) ZN.10: 2 residues within 4Å: Chain A: D.52, E.120 No protein-ligand interaction detected (PLIP) ZN.11: 1 residues within 4Å: Ligands: GCS-GCS-GCS-GCS.1 No protein-ligand interaction detected (PLIP) ZN.12: 4 residues within 4Å: Chain A: K.204, K.230, D.233, D.237 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.233, A:D.237, H2O.13

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Suzuki, M. et al., Crystal structure of the GH-46 subclass III chitosanase from Bacillus circulans MH-K1 in complex with chitotetraose. Biomed.Biochim.Acta (2024)

Release Date

2017-02-08

Peptides

Chitosanase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Chitosanase