CATH Classification

Domain Context

CATH Clusters

Superfamily Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A
Functional Family Histo-blood group ABO system transferase

Enzyme Information

2.4.1.37
Fucosylgalactoside 3-alpha-galactosyltransferase.
based on mapping to UniProt P16442
UDP-alpha-D-galactose + alpha-L-fucosyl-(1->2)-D-galactosyl-R = UDP + alpha-D-galactosyl-(1->3)-(alpha-L-fucosyl-(1->2))-D-galactosyl-R.
-!- Acts on blood group substance, and can use a number of 2-fucosyl- galactosides as acceptors.
2.4.1.40
Glycoprotein-fucosylgalactoside alpha-N-acetylgalactosaminyltransferase.
based on mapping to UniProt P16442
UDP-N-acetyl-alpha-beta-D-galactosamine + glycoprotein-alpha-L-fucosyl- (1->2)-D-galactose = UDP + glycoprotein-N-acetyl-alpha-D-galactosaminyl- (1->3)-(alpha-L-fucosyl-(1->2))-beta-D-galactose.
-!- Acts on blood group substance H. -!- Can use a number of 2-fucosyl-galactosides as acceptors.

UniProtKB Entries (1)

P16442
BGAT_HUMAN
Homo sapiens
Histo-blood group ABO system transferase

PDB Structure

PDB 2I7B
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Structural basis for red cell phenotypic changes in newly identified, naturally occurring subgroup mutants of the human blood group B glycosyltransferase.
Hosseini-Maaf, B., Letts, J.A., Persson, M., Smart, E., Lepennec, P.Y., Hustinx, H., Zhao, Z., Palcic, M.M., Evans, S.V., Chester, M.A., Olsson, M.L.
Transfusion
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