Structure of PDB 3sxd Chain A

Receptor sequence
>3sxdA (length=272) Species: 9606 (Homo sapiens) [Search protein sequence]
FMVSLPRMVYPQPKVLTPCRKDVLVVTPWLAPIVWEGTFNIDILNEQFRL
QNTTIGLTVFAIKKYVAFLKLFLETAEKHFMVGHRVHYYVFTDQPAAVPR
VTLGTGRQLSVLEVGRRMEMISCERRFLSEVDYLVCVDVDMEFRDHVGVE
ILTPLFGTLHPSFYGSSREAFTYERRPQSQAYIPKDEGDFYYMGAFFGGS
VQEVQRLTRACHQAMMVDQANGIEAVWHDESHLNKYLLRHKPTKVLSPEY
LWDQQLLGWPAVLRKLRFTAVP
3D structure
PDB3sxd Sequence-dependent effects of cryoprotectants on the active sites of the human ABO(H) blood group A and B glycosyltransferases.
ChainA
Resolution1.55 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H233 M266 W300 E303 A343
Catalytic site (residue number reindexed from 1) H160 M193 W227 E230 A270
Enzyme Commision number 2.4.1.37: fucosylgalactoside 3-alpha-galactosyltransferase.
2.4.1.40: glycoprotein-fucosylgalactoside alpha-N-acetylgalactosaminyltransferase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 UDP A F121 A122 I123 Y126 D211 V212 D213 F60 A61 I62 Y65 D138 V139 D140
BS02 GAL A H233 F236 T245 W300 E303 H160 F163 T172 W227 E230
BS03 MN A D211 D213 D138 D140
Gene Ontology
Molecular Function
GO:0016758 hexosyltransferase activity
Biological Process
GO:0005975 carbohydrate metabolic process
Cellular Component
GO:0016020 membrane

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Biological Process
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Cellular Component
External links
PDB RCSB:3sxd, PDBe:3sxd, PDBj:3sxd
PDBsum3sxd
PubMed22349229
UniProtP16442|BGAT_HUMAN Histo-blood group ABO system transferase (Gene Name=ABO)

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