Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At2g27860	Together with AXS2, catalyzes the conversion of UDP-D- glucuronate into a mixture of UDP-D-apiose (UDP-Api) as the main product and UDP-D-xylose to a lesser extent, via a cycle of oxidation and reduction.	The biosynthesis of the branched-chain sugar d-apiose in plants: functional cloning and characterization of a UDP-d-apiose/UDP-d-xylose synthase from Arabidopsis.; 2003; DOI: 10.1046/j.1365-313x.2003.01841.x; PMID: 12969423; https://pubmed.ncbi.nlm.nih.gov/12969423/ | Deciphering the enzymatic mechanism of sugar ring contraction in UDP-apiose biosynthesis.; 2019; DOI: 10.1038/s41929-019-0382-8; PMID: 31844840; https://pubmed.ncbi.nlm.nih.gov/31844840/ | UDP-Api/UDP-Xyl synthases affect plant development by controlling the content of UDP-Api to regulate the RG-II-borate complex.; 2020; DOI: 10.1111/tpj.14921; PMID: 32662159; https://pubmed.ncbi.nlm.nih.gov/32662159/
Arabidopsis	At1g08200	Together with AXS1, catalyzes the conversion of UDP-D- glucuronate into a mixture of UDP-D-apiose (UDP-Api) as the main product and UDP-D-xylose to a lesser extent, via a cycle of oxidation and reduction.	UDP-Api/UDP-Xyl synthases affect plant development by controlling the content of UDP-Api to regulate the RG-II-borate complex.; 2020; DOI: 10.1111/tpj.14921; PMID: 32662159; https://pubmed.ncbi.nlm.nih.gov/32662159/
Rice	Os01g0969100	Catalyzes the conversion of UDP-D-glucuronate to a mixture of UDP-D-apiose and UDP-D-xylose.	No verified direct reference in this release