Protein
2,5-dioxopentanoate dehydrogenase
Organism
Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)
Function
2,5-dioxopentanoate dehydrogenase involved in the degradation of pentoses such as D-arabinose or D-xylose, a major component of hemicelluloses such as xylan. Catalyzes the fifth reaction in the pentose utilization pathway through dehydratation of 2,5-dioxopentanoate into 2-oxoglutarate. Shows also dehydrogenase activity toward glycolaldehyde and DL-glyceraldehyde.
Similarity
Belongs to the aldehyde dehydrogenase family.
Sequence
MKSYQGLADKWIKGSGEEYLDINPADKDHVLAKIRLYTKDDVKEAINKAVAKFDEWSRTPAPKRGSILLKAGELMEQEAQEFALLMTLEEGKTLKDSMFEVTRSYNLLKFYGALAFKISGKTLPSADPNTRIFTVKEPLGVVALITPWNFPLSIPVWKLAPALAAGNTAVIKPATKTPLMVAKLVEVLSKAGLPEGVVNLVVGKGSEVGDTIVSDDNIAAVSFTGSTEVGKRIYKLVGNKNRMTRIQLELGGKNALYVDKSADLTLAAELAVRGGFGLTGQSCTATSRLIINKDVYTQFKQRLLERVKKWRVGPGTEDVDMGPVVDEGQFKKDLEYIEYGKNVGAKLIYGGNIIPGKGYFLEPTIFEGVTSDMRLFKEEIFGPVLSVTEAKDLDEAIRLVNAVDYGHTAGIVASDIKAINEFVSRVEAGVIKVNKPTVGLELQAPFGGFKNSGATTWKEMGEDALEFYLKEKTVYEGW