>tr|A0A152BUZ0|A0A152BUZ0_ECOLX Vitamin B12 import system permease protein BtuC OS=Escherichia coli GN=btuC MLTLARQQQRQNIRWLLCLSVLMLLALLLSLCAGEQWISLGDWFTPRGELFVWQIRLPRT LAVLLVGAALAISGAVMQALFENPLAEPGLLGVSNGAGVGLIAAVLLGQGQLPNWALGLC AIAGALIITLILLRFARRHLSTSRLLLAGVALGIICSALMTWAIYFSTSVDLRQLMYWMM GGFGGVDWRQSWLMLALIPVLLWICCQSRPMNMLALGEISARQLGLPLWFWRNVLVAATG WMVGVSVALAGAIGFIGLVIPHILRLCGLTDHRVLLPGCALAGASALLLADIVARLALAA AELPIGVVTATLGAPVFIWLLLKARR