Structure of PDB 3sx5 Chain A Binding Site BS03

Receptor Information

>3sx5 Chain A (length=286) Species: 9606 (Homo sapiens)

FMVSLPRMVYPQPKVLTPCRKDVLVVTPWLAPIVWEGTFNIDILNEQFRL
QNTTIGLTVFAIKKYVAFLKLFLETAEKHFMVGHRVHYYVFTDQPAAVPR
VTLGTGRQLSVLEVRAYKRWQDVSMRRMEMISCERRFLSEVDYLVCVDVD
MEFRDHVGVEILTPLFGTLHPGFYGSSREAFTYERRPQSQAYIPKDEGDF
YYMGAFFGGSVQEVQRLTRACHQAMMVDQANGIEAVWHDESHLNKYLLRH
KPTKVLSPEYLWDQQLLGWPAVLRKLRFTAVPKNHQ

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: 3sx5 Chain A Residue 355

Receptor-Ligand Complex Structure

Structure summary

• PDB: 3sx5 Sequence-dependent effects of cryoprotectants on the active sites of the human ABO(H) blood group A and B glycosyltransferases.
• Resolution: 1.43 Å
• Binding residue (original residue number in PDB): D211 D213
• Binding residue (residue number reindexed from 1): D148 D150
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): H233 M266 W300 E303 A343
• Catalytic site (residue number reindexed from 1): H170 M203 W237 E240 A280
• 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:3sx5, PDBe:3sx5, PDBj:3sx5
• PDBsum: 3sx5
• PubMed: 22349229
• UniProt: P16442|BGAT_HUMAN Histo-blood group ABO system transferase (Gene Name=ABO)