SMTL ID : 1c7s.1

BETA-N-ACETYLHEXOSAMINIDASE MUTANT D539A COMPLEXED WITH DI-N-ACETYL-BETA-D-GLUCOSAMINE (CHITOBIASE)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-dimer

Ligands

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

NAG-NAG.1: 16 residues within 4Å: Chain A: R.66, R.322, H.425, V.466, Q.467, A.512, E.513, W.589, W.612, Y.642, D.644, F.645, Y.656, W.658, W.710, E.712 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:W.589, A:W.612, A:W.710 Hydrogen bonds: A:R.322, A:R.322, A:H.425, A:Q.467, A:Y.642, A:Y.642, A:D.644 NAG-NAG.6: 16 residues within 4Å: Chain B: R.66, R.322, H.425, V.466, Q.467, A.512, E.513, W.589, W.612, Y.642, D.644, F.645, Y.656, W.658, W.710, E.712 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:W.589, B:W.612, B:W.710 Hydrogen bonds: B:R.322, B:R.322, B:H.425, B:Q.467, B:Y.642, B:D.644 Water bridges: B:D.644

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

SO4.2: 6 residues within 4Å: Chain A: T.82, R.427, F.469, N.470, R.471, Q.472 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:T.82, A:N.470, A:Q.472, A:Q.472 Water bridges: A:R.427 Salt bridges: A:R.427 SO4.3: 4 residues within 4Å: Chain A: K.77, P.90, T.91, A.92 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:A.92 Water bridges: A:K.77, A:K.93, A:K.93 Salt bridges: A:K.77 SO4.4: 3 residues within 4Å: Chain A: K.505, R.606 Chain B: R.798 4 PLIP interactions: 1 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:R.606 Water bridges: B:R.798, B:R.798 Salt bridges: B:R.798 SO4.5: 3 residues within 4Å: Chain A: Q.67, H.80, R.518 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:Q.67 Water bridges: A:H.80, A:R.518, A:R.518 Salt bridges: A:H.80, A:R.518 SO4.7: 6 residues within 4Å: Chain B: T.82, R.427, F.469, N.470, R.471, Q.472 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:T.82, B:T.82, B:N.470, B:Q.472, B:Q.472 Water bridges: B:R.427 Salt bridges: B:R.427 SO4.8: 4 residues within 4Å: Chain B: K.77, P.90, T.91, A.92 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:A.92 Water bridges: B:K.77, B:K.93, B:K.93 Salt bridges: B:K.77 SO4.9: 2 residues within 4Å: Chain B: K.505, R.606 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:R.606 SO4.10: 3 residues within 4Å: Chain B: Q.67, H.80, R.518 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:Q.67 Water bridges: B:H.80, B:R.518, B:R.518 Salt bridges: B:H.80, B:R.518

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Prag, G. et al., Structures of chitobiase mutants complexed with the substrate Di-N-acetyl-d-glucosamine: the catalytic role of the conserved acidic pair, aspartate 539 and glutamate 540. J.Mol.Biol. (2000)

Release Date

2000-09-20

Peptides

BETA-N-ACETYLHEXOSAMINIDASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

BETA-N-ACETYLHEXOSAMINIDASE