Protein
Ribose 1,5-bisphosphate isomerase
Organism
Pyrococcus abyssi (strain GE5 / Orsay)
Function
Catalyzes the isomerization of ribose 1,5-bisphosphate (R15P) to ribulose 1,5-bisphosphate (RuBP), the CO(2) acceptor and substrate for RubisCO. Functions in an archaeal AMP degradation pathway, together with AMP phosphorylase and RubisCO (By similarity).
Similarity
Belongs to the eIF-2B alpha/beta/delta subunits family. R15P isomerase subfamily.
Sequence
MGAMIVREVYEIAEKIKSMEIRGAGKIARSVAQALMIQAEKSTAKSPEELWTELKEAAKILYKTRPTAVSLPNALRYVMHRAKIAYSSGADLETLRFTVINSAKEFIHNSEKAIERIGEIGAKRIEDGDVIMTHCHSKAAISVMKTAFDQGKDIKVIVTETRPRWQGKITAKELASYGIPVIYVVDSAARHYMKMTDKVVMGADSITANGAVINKIGTSLIALTAKEHRVWVMIAAETYKFHPETMLGQLVEIEMRDPTEVIPEEELKTWPKNIEVWNPAFDVTPPEYIDVIITEKGIIPPYAAIDILKEEFGWALKYREPWED