>d1c5ka2 c.51.2.1 (A:35-162) TolB, N-terminal domain {Escherichia coli} grpigvvpfqwagpgaapediggivaadlrnsgkfnpldrarlpqqpgsaqevqpaawsa lgidavvvgqvtpnpdgsynvayqlvdtggapgtvlaqnsykvnkqwlryaghtasdevf ekltgikg