>5hcm_A mol:protein length:317 Proton-gated ion channel AQDMVSPPPPIADEPLTVNTGIYLIESYSLDDCAETFKVNAFLSLSWKDRRLAFDPVRS GVRVKTYEPEAIWIPEIRFVNVENARDADVVDISVSPDGTVQYLERFSARVLSPLDFRR YPFDSQTLHIYLIVRSVDTRNIVLAVDLEKVGKNDDVFLTGWDIESFTAVVKPANFALE DRLESKLDYQLRISRQYFSYIPNIILPMLFILFISWTAFWSTSYEANVTLVVSTLIAHI AFNILVETCLPKTPYMTYTGAIIFMIYLFYFVAVIEVTVQHYLKVESQPARAASITRAS RIAFPVVFLLANIILAFLFFGF