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

Roles of active site tryptophans in substrate binding and catalysis by ALPHA-1,3 GALACTOSYLTRANSFERASE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.97 Å

Oligo State

monomer

Ligands

1 x BGC- GAL: beta-D-galactopyranose-(1-4)-beta-D-glucopyranose(Non-covalent)

BGC-GAL.1: 11 residues within 4Å: Chain A: Q.168, W.170, W.171, T.180, Y.199, H.201, Y.235, E.238, W.277, K.280 Ligands: UDP.3 9 PLIP interactions: 9 interactions with chain A Hydrogen bonds: A:Q.168, A:W.171, A:Q.168, A:T.180, A:Y.199, A:H.201, A:E.238, A:K.280, A:K.280 Water bridges: A:D.261, A:Y.235, A:D.261

1 x MN: MANGANESE (II) ION(Non-covalent)

MN.2: 4 residues within 4Å: Chain A: D.146, D.148, K.280 Ligands: UDP.3 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.146, A:D.148, A:D.148, H2O.16

1 x UDP: URIDINE-5'-DIPHOSPHATE(Non-covalent)

UDP.3: 17 residues within 4Å: Chain A: F.55, A.56, V.57, Y.60, W.116, I.119, S.120, R.123, D.146, V.147, D.148, K.280, Y.282, V.285, R.286 Ligands: BGC-GAL.1, MN.2 20 PLIP interactions: 20 interactions with chain A Hydrophobic interactions: A:I.119 Hydrogen bonds: A:F.55, A:V.57, A:V.57, A:Y.60, A:R.123, A:V.147, A:D.148, A:D.148, A:Y.282 Water bridges: A:F.55, A:K.280, A:K.280, A:R.286, A:R.286 Salt bridges: A:K.280, A:K.280, A:R.286, A:R.286 pi-Stacking: A:Y.60

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 5 residues within 4Å: Chain A: H.63, Y.64, E.67, Q.278, E.281 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:H.63, A:Q.278, A:Q.278 Water bridges: A:E.62

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhang, Y. et al., Roles of active site tryptophans in substrate binding and catalysis by alpha-1,3 galactosyltransferase. Glycobiology (2004)

Release Date

2004-07-08

Peptides

N-ACETYLLACTOSAMINIDE ALPHA-1,3-GALACTOSYLTRANSFERASE: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

N-ACETYLLACTOSAMINIDE ALPHA-1,3-GALACTOSYLTRANSFERASE

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