>sp|B4TGH8|BTUC_SALHS Vitamin B12 import system permease protein BtuC OS=Salmonella heidelberg GN=btuC MLTFARQQQRRNVRWLLSLSLLVLLATLLSLCAGEQWIAPGDWLSARGELFVWQIRLPRT LAVLLVGAALALSGAVMQALFENPLAEPGLLGVSNGAGVGLIAAVLLGQGQLPGWALGLC AIAGALIITLILLRFARRHLSTSRLLLAGVALGIICSALMTWAIYFSTSFDLRQLMYWMM GGFGGVDWQQSWLMIALIPVLIWICCQSQPLNMLALGETSARQLGLPLWFWRNLLVVATG WMVGVSVAMAGAIGFIGLVIPHILRLCGLTDHRVLLPGCALAGAIALLLADVVARLALAS AELPIGVVTATLGAPVFIWLLLKSAR