>sp|A9N235|BTUC_SALPB Vitamin B12 import system permease protein BtuC OS=Salmonella paratyphi B GN=btuC MLTFARQQQRRNVRWLLSLSLLVLLATLLSLCAGEQWIAPGDWLSARGELFVWQIRLPRT LAVLLVGAALALSGAVMQALFENPLAEPGLLGVSNGAGVGLIAAVLLGQGQLPGWALGLC AIAGALIITLILLRFARRHLSTSRLLLAGVALGIICSALMTWAIYFSTSFDLRQLMYWMM GGFGGVDWQQSWLMIALIPVLIWICCQSQPLNMLALGETSARQLGLPLWFWRNLLVVATG WMVGVSVAMAGAIGFIGLVIPHILRLCGLTDHRVLLPGCALAGAIALLLADVVARLALAS AELPIGVVTATLGAPVFIWLLLKSAR