>tr|A0A6M4JP08|A0A6M4JP08_BACSU Xanthine dehydrogenase accessory protein PucB OS=Bacillus subtilis GN=pucB MRSPYLIGVFLAAGKSRRMGQNKLALPLKGENIGSLSLKTALSSRLDHVLVVERTEHASL EWIGAPYHAPPFQKRWSLHVCQDAEKGQGHSVSSGVRKAESMGADGIVILLADQPQLSVD HLNALVALAPESFAVSSFLGAFTPPIYFSSTCFPYVKGLKGDEGARRLLKSGQLGAGAVL EAKDSGELDDIDTPEEYDMVRRAMS