Structure of PDB 2a8u Chain A Binding Site BS03

Receptor Information

>2a8u Chain A (length=263) Species: 9606 (Homo sapiens)

FMVSLPRMVYPQPKVLTPCRKDVLVVTPWLAPIVWEGTFNIDILNEQFRL
QNTTIGLTVFAIKKYVAFLKLFLETAEKHFMVGHRVHYYVFTDQPAAVPR
VTLGTGRQLSVLEVERRFLSEVDYLVCVDVDMEFRDHVGVEILTPLFGTL
HPSFYGSSREAFTYERRPQSQAYIPKDEGDFYYMGAFFGGSVQEVQRLTR
ACHQAMMVDQANGIEAVWHDESHLNKYLLRHKPTKVLSPEYLWDQQLLGW
PAVLRKLRFTAVP

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: 2a8u Chain A Residue 450

Receptor-Ligand Complex Structure

Structure summary

• PDB: 2a8u Differential Recognition of the Type I and II H Antigen Acceptors by the Human ABO(H) Blood Group A and B Glycosyltransferases.
• Resolution: 1.69 Å
• Binding residue (original residue number in PDB): D211 D213
• Binding residue (residue number reindexed from 1): D129 D131
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): H233 M266 W300 E303 A343
• Catalytic site (residue number reindexed from 1): H151 M184 W218 E221 A261
• Enzyme Commision number: 2.4.1.37: fucosylgalactoside 3-alpha-galactosyltransferase.
  2.4.1.40: glycoprotein-fucosylgalactoside alpha-N-acetylgalactosaminyltransferase.

Gene Ontology

Molecular Function

• GO:0016758 hexosyltransferase activity

Biological Process

• GO:0005975 carbohydrate metabolic process

Cellular Component

• GO:0016020 membrane

External links

• PDB: RCSB:2a8u, PDBe:2a8u, PDBj:2a8u
• PDBsum: 2a8u
• PubMed: 16326711
• UniProt: P16442|BGAT_HUMAN Histo-blood group ABO system transferase (Gene Name=ABO)