Structure of PDB 2ah9 Chain A Binding Site BS02

Receptor Information

>2ah9 Chain A (length=272) Species: 9606 (Homo sapiens)

LPACPEESPLLVGPMLIEFNMPVDLELVAKQNPNVKMGGRYAPRDCVSPH
KVAIIIPFRNRQEHLKYWLYYLHPVLQRQQLDYGIYVINQAGDTIFNRAK
LLNVGFQEALKDYDYTCFVFSDVDLIPMNDHNAYRCFSQPRHISVAMDKF
GFSLPYVQYFGGVSALSKQQFLTINGFPNNYWGWGGEDDDIFNRLVFRGM
SISRPNAVVGTTRHIRHSRDKKNEPNPQRFDRIAHTKETMLSDGLNSLTY
QVLDVQRYPLYTQITVDIGTPS

Ligand information

• Ligand ID: MN
• InChI: InChI=1S/Mn/q+2
• InChIKey: WAEMQWOKJMHJLA-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Mn+2]
  CACTVS 3.341: [Mn++]
• Formula: Mn
• Name: MANGANESE (II) ION
• DrugBank: DB06757
• PDB chain: 2ah9 Chain A Residue 400

Receptor-Ligand Complex Structure

Structure summary

• PDB: 2ah9 Oligosaccharide Preferences of beta1,4-Galactosyltransferase-I: Crystal Structures of Met340His Mutant of Human beta1,4-Galactosyltransferase-I with a Pentasaccharide and Trisaccharides of the N-Glycan Moiety
• Resolution: 2.0 Å
• Binding residue (original residue number in PDB): D250 H340 H343
• Binding residue (residue number reindexed from 1): D124 H214 H217
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): D248 D250 W310 E313 D314 H340 H343 R345
• Catalytic site (residue number reindexed from 1): D122 D124 W184 E187 D188 H214 H217 R219
• Enzyme Commision number: 2.4.1.-
  2.4.1.22: lactose synthase.
  2.4.1.275: neolactotriaosylceramide beta-1,4-galactosyltransferase.
  2.4.1.38: beta-N-acetylglucosaminylglycopeptide beta-1,4-galactosyltransferase.
  2.4.1.90: N-acetyllactosamine synthase.

Gene Ontology

Molecular Function

• GO:0016757 glycosyltransferase activity

Biological Process

• GO:0005975 carbohydrate metabolic process

External links

• PDB: RCSB:2ah9, PDBe:2ah9, PDBj:2ah9
• PDBsum: 2ah9
• PubMed: 16157350
• UniProt: P15291|B4GT1_HUMAN Beta-1,4-galactosyltransferase 1 (Gene Name=B4GALT1)