Entry
Name
UDP-N-acetylgalactosamine-undecaprenyl-phosphate N-acetylgalactosaminephosphotransferase;
WecP;
UDP-GalNAc:polyprenol-P GalNAc-1-P transferase;
UDP-GalNAc:undecaprenyl-phosphate GalNAc-1-phosphate transferase
Class
Transferases;
Transferring phosphorus-containing groups;
Transferases for other substituted phosphate groups
BRITE hierarchy
Sysname
UDP-N-acetyl-alpha-D-galactosamine:ditrans,octacis-undecaprenyl phosphate N-acetyl-D-galactosaminephosphotransferase
Reaction(IUBMB)
UDP-N-acetyl-alpha-D-galactosamine + ditrans,octacis-undecaprenyl phosphate = UMP + N-acetyl-alpha-D-galactosaminyl-diphospho-ditrans,octacis-undecaprenol [RN:
R10465 ]
Reaction(KEGG)
Substrate
UDP-N-acetyl-alpha-D-galactosamine [CPD:
C00203 ];
ditrans,octacis-undecaprenyl phosphate [CPD:
C17556 ]
Product
UMP [CPD:
C00105 ];
N-acetyl-alpha-D-galactosaminyl-diphospho-ditrans,octacis-undecaprenol [CPD:
C20620 ]
Comment
The enzyme catalyses a step in the assembly of the repeating-unit of the O-antigen of the Gram-negative bacterium Aeromonas hydrophila AH-3. The enzyme shows no activity with UDP-N-acetyl-alpha-D-glucosamine (cf. EC
2.7.8.33 , UDP-N-acetylglucosamine-undecaprenyl-phosphate N-acetylglucosaminephosphotransferase).
History
EC 2.7.8.40 created 2013
Orthology
K21303 UDP-GalNAc:undecaprenyl-phosphate GalNAc-1-phosphate transferase
Genes
COBE : CLAM6_23300(wcaJ_3)
ALCA : ASALC70_00659(wecA)
» show all
Taxonomy
Reference
Authors
Merino S, Jimenez N, Molero R, Bouamama L, Regue M, Tomas JM
Title
A UDP-HexNAc:polyprenol-P GalNAc-1-P transferase (WecP) representing a new subgroup of the enzyme family.
Journal
Sequence
Other DBs
ExplorEnz - The Enzyme Database: 2.7.8.40
ExPASy - ENZYME nomenclature database: 2.7.8.40