>4RK4_1|Chain A|Transcriptional regulator, LacI family|Lactobacillus casei ATCC 334 (321967) QSMLRAQATGNIGVLVSRVTNPFFAGLFDAIERELHAHGYQVMITQTYDDPEAEERFLKQLKSRELDGVILASVEAPDRVMAVAKAFPGRVVVVNADVQIPGATSLVLPHYQATRDALDYLFNQGHRRFAYVSGGTISGAHHGQSRTQAFLDFMQAHQLLVAQDLLFGQIHTAKEGQAVGKQLASLAPNVRPDAVFTNSDEVAVGVIDSLLAADVKVPDDIAVMGYDDQPFAPFAKIPLTTVHQPVASMAAAATHELLKGLGRQVAQDTQPTLHLSLKIRQSA