>4lmj_B mol:protein length:318 Proton-gated ion channel GSQDMVSPPPPIADEPLTVNTGIYLIECYSLDDKAETFKVNAFLSLSWKDRRLAFDPVR SGVRVKTYEPEAIWIPEIRFVNVENARDADVVDISVSPDGTVQYLERFSARVLSPLDFR RYPFDSQTLHIYLIVRSVDTRNIVLAVDLEKVGKNDDVFLTGWDIESFTAVVKPANFAL EDRLESKLDYQLRISRQYFSYIPNIILPMLFILFISWTAFWSTSYEANVTLVVSTLIAH IAFNILVETNLPKAPYMTYTGAIIFMIYLFYFVAVIEVTVQHYLKVESQPARAASITRA SRIAFPVVFLLANIILAFLFFGF