# OC Root 2nd 3rd 4th PC Gene/Definition OC.335824 Bacteria.305262 Proteobacteria.451393 Alphaproteobacteria.302619 apc.841 apc:HIMB59_00008510 ATP phosphoribosyltransferase; K00765 ATP phosphoribosyltransferase [EC:2.4.2.17]