SMTL ID : 1e6n.1 (1 other biounit)

Chitinase B from Serratia marcescens inactive mutant E144Q in complex with N-acetylglucosamine-pentamer

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.25 Å

Oligo State

monomer

Ligands

1 x 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

NAG-NAG-NAG-NAG-NAG.1: 23 residues within 4Å: Chain A: Y.10, F.12, F.51, G.96, W.97, Y.98, D.142, Q.144, Y.145, F.190, F.191, M.212, Y.214, D.215, W.220, E.221, L.265, Y.292, R.294, D.316, I.339, W.403, Q.407 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:Y.292, A:I.339 Hydrogen bonds: A:Y.98, A:Q.407 Water bridges: A:G.96, A:Y.99

8 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 3 residues within 4Å: Chain A: N.55, S.56, P.64 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.56, A:S.56 SO4.3: 4 residues within 4Å: Chain A: R.89, L.177, P.178, Q.180 6 PLIP interactions: 6 interactions with chain A Water bridges: A:R.89, A:Q.180, A:Q.180, A:Q.180, A:Q.180 Salt bridges: A:R.89 SO4.4: 1 residues within 4Å: Chain A: R.420 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.420 SO4.5: 2 residues within 4Å: Chain A: P.281, S.282 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:S.282 Water bridges: A:V.280, A:S.282, A:S.282, A:S.282, A:A.283, A:G.446, A:G.446 SO4.6: 4 residues within 4Å: Chain A: P.14, N.16, Q.17, R.333 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.16, A:Q.17 Salt bridges: A:R.333 SO4.7: 3 residues within 4Å: Chain A: R.343, Q.347, R.410 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:Q.347 Water bridges: A:R.343, A:R.410 Salt bridges: A:R.343, A:R.410 SO4.8: 4 residues within 4Å: Chain A: Q.147, F.190, F.191, R.194 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.147 Salt bridges: A:R.194 SO4.9: 5 residues within 4Å: Chain A: P.260, F.263, S.264, R.439, Y.440 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.264

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Van Aalten, D.M.F. et al., Structural Insights Into the Catalytic Mechanism of a Family 18 Exo-Chitinase. Proc.Natl.Acad.Sci.USA (2001)

Release Date

2001-06-22

Peptides

CHITINASE B: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

CHITINASE B

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