>6M6Z_1|Chains A, B, C, D|TMH4C4|Escherichia coli (562) SAEELLRRSREYLKKVALIQLVIAFVFLILLILLSWRSEELIRELEEKGAASEAELARMKQQHMTAYLQAALTAWEIISKSVIALLLLQQNQLNLELNTDTDKNVAEELLRRSREYLKKVALIQLVIAFVFLILLILLSWRSEELIRELEEKGAASEAELARMKQQHMTAYLQAALTAWEIISKSVIALLLLQQNQLNLELRH