>tr|A0A3V6WA09|A0A3V6WA09_SALDE Vitamin B12 import system permease protein BtuC OS=Salmonella derby GN=btuC MLTFARQQQRRNVRWLLSLSLLVLLATLLSLCAGEQWIAPGDWLSARGELFVWQIRLPRT LAVLLVGAALALSGAVMQALFENPLAEPGLLGVSNGAGVGLIAAVLLGQGQLPGWALGLC AIAGALIITLILLRFARRHLSTSRLLLAGVALGIICSALMTWAIYFSTSFDLRQLMYWMM GGFGGVDWQQSWLMIALIPVLIWICCQSQPLNMLALGETSARQLGLPLWFWRNLLVVATG WMVGVSVAMAGAIGFIGLVIPHILRLCGLTDHRVLLPGCALAGAIALLLADVVARLALAS AELPIGVVTATLGAPVFIWLLLKSAR