SMTL ID : 1oqm.2 (1 other biounit)

A 1:1 complex between alpha-lactalbumin and beta1,4-galactosyltransferase in the presence of UDP-N-acetyl-galactosamine

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

hetero-1-1-mer

Ligands

1 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: K.79, D.82, E.84, D.87, D.88 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:K.79, A:D.82, A:E.84, A:D.87, H2O.1

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

MN.2: 4 residues within 4Å: Chain B: D.138, M.228, H.231 Ligands: UD2.3 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.138, B:H.231, H2O.6

1 x UD2: URIDINE-DIPHOSPHATE-N-ACETYLGALACTOSAMINE(Non-covalent)

UD2.3: 23 residues within 4Å: Chain B: P.71, F.72, R.73, R.75, F.110, R.112, D.136, V.137, D.138, L.139, M.161, Y.173, G.175, G.176, W.198, G.199, E.201, D.202, M.228, H.231, D.234, N.237 Ligands: MN.2 23 PLIP interactions: 23 interactions with chain B Hydrophobic interactions: B:L.139 Hydrogen bonds: B:P.71, B:R.73, B:R.73, B:R.75, B:D.136, B:D.136, B:V.137, B:D.138, B:G.176, B:W.198, B:G.199, B:N.237 Water bridges: B:R.75, B:R.75, B:K.163, B:Y.173 Salt bridges: B:R.75, B:K.163, B:H.231, B:H.231 pi-Stacking: B:F.110 pi-Cation interactions: B:R.75

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ramakrishnan, B. et al., Structure-based design of beta 1,4-galactosyltransferase I (beta 4Gal-T1) with equally efficientN-acetylgalactosaminyltransferase activity: point mutation broadens beta 4Gal-T1 donor specificity. J.Biol.Chem. (2002)

Release Date

2003-03-18

Peptides

Alpha-lactalbumin: A
beta-1,4-galactosyltransferase: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Alpha-lactalbumin

beta-1,4-galactosyltransferase

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