Pentosyltransferases
Encyclopedia
Pentosyltransferases are a type of glycosyltransferase
that catalyze the transfer of a pentose
.
Examples include:
They are classified under EC number
2.4.2.
Glycosyltransferase
Glycosyltransferases are enzymes that act as a catalyst for the transfer of a monosaccharide unit from an activated nucleotide sugar to a glycosyl acceptor molecule, usually an alcohol....
that catalyze the transfer of a pentose
Pentose
A pentose is a monosaccharide with five carbon atoms. Pentoses are organized into two groups. Aldopentoses have an aldehyde functional group at position 1...
.
Examples include:
- adenine phosphoribosyltransferaseAdenine phosphoribosyltransferaseAdenine phosphoribosyltransferase is an enzyme that in humans is encoded by the APRT gene.- Function :APRTase is an enzyme involved in the purine nucleotide salvage pathway...
- hypoxanthine-guanine phosphoribosyltransferaseHypoxanthine-guanine phosphoribosyltransferaseHypoxanthine-guanine phosphoribosyltransferase is an enzyme encoded in humans by the HPRT1 gene.HGPRT is a transferase that catalyzes conversion of hypoxanthine to inosine monophosphate and guanine to guanosine monophosphate. This reaction transfers the 5-phosphoribosyl group from...
- pertussis toxinPertussis toxinPertussis toxin is a protein-based AB5-type exotoxin produced by the bacterium Bordetella pertussis, which causes whooping cough. PT is involved in the colonization of the respiratory tract and the establishment of infection...
- poly ADP ribose polymerasePoly ADP ribose polymerasePoly polymerase is a family of proteins involved in a number of cellular processes involving mainly DNA repair and programmed cell death.-Members of PARP family:The PARP family comprises 17 members...
They are classified under EC number
EC number
The Enzyme Commission number is a numerical classification scheme for enzymes, based on the chemical reactions they catalyze....
2.4.2.