>sp|O32146|PUCB_BACSU Purine catabolism protein PucB OS=Bacillus subtilis GN=pucB MRSPYLIGVFLAAGKSRRMGQNKLALPLKGENIGSLSLKTALSSRLDHVLVVERTEHASL EWIGAPYHAPPFQKRWSLHVCQDAEKGQGHSVSSGVRKAESMGADGIVILLADQPQLSVD HLNALVALAPESFAVSSFLGAFTPPIYFSSTCFPYVKGLKGDEGARRLLKSGQLGAGAVL EAKDSGELDDIDTPEEYDMVRRAMS