the puta protein , product of the escherichia coli gene puta , has two functions essential for proline utilization and for the regulation of putp and puta expression : as the peripheral membrane flavoprotein , proline dehydrogenase ( ec 1.5.99.8 ) , it transfers electrons from proline to the respiratory chain , and , as a repressor , it controls expression of genes putp and puta in response to proline supply .
C0033684
product
C0016223
flavoprotein