Rat Xanthine oxidoreductase, D428A variant, NAD bound form

MTADELVFFVNGKKVVEKNADPETTLLVYLRRKLGLCGTKLGCGEGGCGACTVMISKYDRLQNKIVHFSVNACLAPICSL
HHVAVTTVEGIGNTQKLHPVQERIARSHGSQCGFCTPGIVMSMYTLLRNQPEPTVEEIENAFQGNLCRCTGYRPILQGFR
TFAKDGGCCGGSGNNPNCCMNQTKDQTVSLSPSLFNPEDFKPLDPTQEPIFPPELLRLKDTPQKKLRFEGERVTWIQAST
MEELLDLKAQHPDAKLVVGNTEIGIEMKFKNMLFPLIVCPAWIPELNSVVHGPEGISFGASCPLSLVESVLAEEIAKLPE
QKTEVFRGVMEQLRWFAGKQVKSVASIGGNIITASPISDLNPVFMASGAKLTLVSRGTRRTVRMDHTFFPGYRKTLLRPE
EILLSIEIPYSKEGEFFSAFKQASRREDDIAKVTSGMRVLFKPGTIEVQELSLCFGGMADRTISALKTTPKQLSKSWNEE
LLQSVCAGLAEELQLAPDAPGGMVEFRRTLTLSFFFKFYLTVLQKLGRADLEDMCGKLDPTFASATLLFQKDPPANVQLF
QEVPKDQSEEDMVGRPLPHLAANMQASGEAVYCDDIPRYENELSLRLVTSTRAHAKITSIDTSEAKKVPGFVCFLTAEDV
PNSNATGLFNDETVFAKDEVTCVGHIIGAVVADTPEHAQRAARGVKITYEDLPAIITIQDAINNNSFYGSEIKIEKGDLK
KGFSEADNVVSGELYIGGQEHFYLETNCTIAVPKGEAGEMELFVSTQNTMKTQSFVAKMLGVPDNRIVVRVKRMGGGFGG
KETRSTVVSTALALAAHKTGRPVRCMLDRDEDMLITGGRHPFLAKYKVGFMKTGTVVALEVAHFSNGGNTEDLSRSIMER
ALFHMDNAYKIPNIRGTGRICKTNLPSNTAFRGFGGPQGMLIAEYWMSEVAITCGLPAEEVRRKNMYKEGDLTHFNQKLE
GFTLPRCWDECIASSQYLARKREVEKFNRENCWKKRGLCIIPTKFGISFTLPFLNQGGALVHVYTDGSVLLTHGGTEMGQ
GLHTKMVQVASRALKIPTSKIHISETSTNTVPNTSPTAASASADLNGQGVYEACQTILKRLEPFKKKKPTGPWEAWVMDA
YTSAVSLSATGFYKTPNLGYSFETNSGNPFHYFSYGVACSEVEIDCLTGDHKNLRTDIVMDVGSSLNPAIDIGQVEGAFV
QGLGLFTMEELHYSPEGSLHTRGPSTYKIPAFGSIPIEFRVSLLRDCPNKRAIYASKAVGEPPLFLASSIFFAIKDAIRA
ARAQHGDNAKQLFQLDSPATPEKIRNACVDQFTTLCVTGVPENCKSWSVRI

9-11% polyethylene glycol 8000, 0.6M Li2SO4, 5mM DTT, 1mM sodium salicylate, 0.4mM EDTA, 15% glycerol, 40mM HEPES (pH 6.20)

HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS