SMTL ID : 7z64.2 (1 other biounit)

A GH18 from haloalkaliphilic bacterium unveils environment-dependent variations in the catalytic machinery of chitinases

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.31 Å

Oligo State

monomer

Ligands

1 x NAG- NAG- NAG- NAG- NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-NAG-NAG-NAG-NAG.1: 30 residues within 4Å: Chain A: W.5, Y.9, Q.37, R.52, Y.55, Y.84, G.86, E.87, H.88, G.89, W.90, D.126, Q.128, P.130, N.131, A.162, F.164, A.165, S.166, W.169, H.171, M.191, G.192, Y.193, E.195, L.204, H.227, W.253, R.258 Ligands: EDO.3 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:R.52, A:Y.55, A:G.89 Water bridges: A:R.52, A:R.52, A:Y.55, A:Y.55

3 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.2: 7 residues within 4Å: Chain A: F.15, E.16, L.18, E.19, V.67, I.68, W.71 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.19 Water bridges: A:V.67, A:W.71 EDO.3: 7 residues within 4Å: Chain A: M.191, G.192, Y.193, E.194, E.195 Ligands: NAG-NAG-NAG-NAG-NAG-NAG.1, NAG-NAG-NAG-NAG-NAG-NAG.1 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:E.195 EDO.4: 7 residues within 4Å: Chain A: M.1, E.218, G.247, V.248, G.249, I.274, R.275 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:M.1, A:M.1 Water bridges: A:G.249

1 x NA: SODIUM ION(Non-functional Binders)

NA.5: 5 residues within 4Å: Chain A: R.167, W.169, D.170, D.174, S.176 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.176

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Madhuprakash, J. et al., A GH18 from haloalkaliphilic bacterium unveils environment-dependent variations in the catalytic machinery of chitinases. To Be Published

Release Date

2024-01-17

Peptides

Chitinase, GH18 family: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Chitinase, GH18 family

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