Protein
Xanthine dehydrogenase 2
Organism
Arabidopsis thaliana
Function
Key enzyme involved in purine catabolism. Catalyzes the oxidation of hypoxanthine to xanthine and the oxidation of xanthine to urate. Regulates the level of ureides and plays a role during plant growth and development and senescence.
Similarity
Belongs to the xanthine dehydrogenase family.
Sequence
MEQNEFMEAIMYVNGVRRVLPDGLAHMTLLEYLRDLGLTGTKLGCGEGGCGSCTVMVSSYDRESKTCVHYAVNACLAPLYSVEGMHVISIEGVGHRKLGLHPLQESLASSHGSQCGFCTPGFVMSMYALLRSSKNSPSEEEIEECLAGNLCRCTGYRPIIDAFRVFAKSDDALYSGLSSLSLQDGSNICPSTGKPCSCGSKTTSEAATCNEDRFQSISYSDIDGAKYTDKELIFPPELLLRKLAPLKLGGNEGITWYRPVSLQNLLELKANFPDAKLLVGNTEVGIEMRLKRLQYPVLISAAQVPELNALNVNDNGIEVGSALRLSELLRLFRKVVKERPAHETSACKAFIEQLKWFAGTQIRNVACIGGNICTASPISDLNPLWMASRAEFRIINCNGDVRSIPAKDFFLGYRKVDMGSNEILLSVFLPWTRPLEYVKEFKQAHRRDDDIAIVNGGMRVFLEEKGQQLFVSDASIVYGGVAPLSLRARNTEELLIGKNWNKCLLQDALKVIQSDVLIKEGAPGGMVEFRKSLTLSFFFKFFLWVTHHVNNVNPTIETFPPSHMSAVQLVPRFSRIGKQDYETVKQGTSVGLPEVHLSARMQVTGEAEYTDDTPLPPCTLHAALVLSKVPHARILSVDDSAAKSSSGFVGLFLAKDVPGNNMIGPIVADEELFATDVVTCVGQVIGVLVADTHENAKTAARKVDVRYQELPAILSIKEAINAKSFHPNTERRLRKGDVELCFQSGQCDRIIEGEVQMGGQEHFYLEPNGSLVWTIDGGNEVHMISSTQAPQQHQKYVSHVLGLPMSKVVCKTKRLGGGFGGKETRSAFIAAAASVPSYLLNRPVKLILDRDVDMMITGHRHSFVGKYKVGFTNEGKILALDLEIYNNGGNSMDLSLSNLERAMFHSDNVYEIPHVRIVGNVCFTNFPSNTAFRGFGGPQGMLITENWIQRIAAELDKIPEEIKEMNFQVEGSITHYFQSLQHCTLHQLWKELKVSSNFLKTRREADEFNSHNRWKKRGVAMVPTKFGISFTTKFMNQAGALVHVYTDGTVLVTHGGVEMGQGLHTKVAQVAATAFNILLSSVFVSETSTDKVPNASPTAASASSDMYGAAVLDACEQIIARMEPVASKHNFNTFSELASACYFQRIDLSAHGFHIVPELEFDWVSGKGNAYRYYTYGAAFAEVEIDTLTGDFHTRKADIMLDLGYSLNPTIDIGQIEGAFVQGLGWVALEELKWGDAAHKWIKPGSLLTCGPGSYKIPSINDMPFQLNVSLLKGNPNAKAIHSSKAVGEPPFFLAASAFFAIKEAIKAARSEVGLTNWFPLETPATPERIRMACFDEFSAPFANSDFCPKLSV