NCBI Accession #
NP_001154284.1
NCBI GenBank Nucleotide #
NM_001160812.1
NCBI Official Full Name
plant glycogenin-like starch initiation protein 3
NCBI Official Symbol
PGSIP3
NCBI Official Synonym Symbols
F17M5.90; F17M5_90; glucuronic acid substitution of xylan 2; GUX2; plant glycogenin-like starch initiation protein 3
NCBI Protein Information
plant glycogenin-like starch initiation protein 3
NCBI Summary
Encodes a glucuronyltransferase responsible for the addition of GlcA residues onto xylan and for secondary wall deposition.
UniProt Synonym Gene Names
PGSIP3; UDP-GlcA:xylan glucuronyltransferase 2; AtGUX2
UniProt Protein Name
UDP-glucuronate:xylan alpha-glucuronosyltransferase 2
UniProt Synonym Protein Names
Glycogenin-like protein 2; Plant glycogenin-like starch initiation protein 3; Protein GLUCURONIC ACID SUBSTITUTION OF XYLAN 2; AtGUX2
UniProt Primary Accession #
Q8GWW4
UniProt Secondary Accession #
Q9SZB0; Q9SZB1; F4JW13
UniProt Related Accession #
Q8GWW4
UniProt Comments
Glycosyltransferase required for the addition of both glucuronic acid and 4-O-methylglucuronic acid branches to xylan in stem cell walls. In association with GUX1, is responsible for almost all of the substitutions of the xylan backbone in stem glucuronoxylan.