>3D_helix;140
            protein_name:AChR pore alpha subunit (Torpedo marmorata)
            file_name:ACh_pore_alpha.txt
            entry_date:3july03
            refman_number:21022
            endnote_number:
            author:Miyazawa,A., Fujiyoshi,Y., Unwin,N.(2003) [Structure and gating mechanism of the acetylcholine receptor pore] {Nature, 423, 949-955}
            remarks:Sequence is from PDB, chain A. There is additional 24 AA as signal sequence in Swiss-Prot.  TMhelices=4.
            pir_number:
            Swiss_Prot_entry:ACHA_TORMA
            Swiss_Prot_number:P02711
            Swiss_Prot_gene:CHRNA1
            Swiss_Prot_name:Acetylcholine receptor subunit alpha
            PDB_title:Acetylcholine Receptor Protein, alpha Chain
            PDB_Identifier:1OED
            N_terminal:in
            number_tmsegs:4
            tm_segments:A.211,237;B.243,271;C.275,300;D.403,436
            sequence:SEHETRLVANLLENYNKVIRPVEHHTHFVDITVGLQLIQLINVDEVNQIVETNVRLRQQWIDVRLRWNPADYGGIKKIRLPSDDVWLPDLVLYNNADGDFAIVHMTKLLLDYTGKIMWTPPAIFKSYCEIIVTHFPFDQQNCTMKLGIWTYDGTKVSISPESDRPDLSTFMESGEWVMKDYRGWKHWVYYTCCPDTPYLDITYHFIMQRIPLYFVVNVIIPCLLFSFLTVLVFYLPTDSGEKMTLSISVLLSLTVFLLVIVELIPSTSSAVPLIGKYMLFTMIFVISSIIVTVVVINTHHRSPSTHTMPQWVRKIFINTIPNVMFFSTMKRASKEKQENKIFADDIDISDISGKQVTGEVIFQTPLIKNPDVKSAIEGVKYIAEHMKSDEESSNAAEEWKYVAMVIDHILLCVFMLICIIGTVSVFAGRLIELSQEG*