>3D_helix;146
            protein_name:cyt. b6f complex, cyto b6 subunit (Mastigocladus laminosus)
            file_name:cytob6f_b6_Mastlam.txt
            entry_date:4dec03
            refman_number:21201
            endnote_number:
            author:Kurisu,G., Zhang,H., Smith,J.L., Cramer,W.A. (2003) [Structure of the cytochrome b6f complex of oxygenic photosynthesis:  Tuning the cavity] {Science, 302, 1009-1014}
            remarks:Sequence is from PDB. Thylakoid lumen is defined as 'in'. TMhelices=4.
            pir_number:
            Swiss_Prot_entry:
            Swiss_Prot_number:
            Swiss_Prot_gene:
            Swiss_Prot_name:
            PDB_title:Cytochrome B6, Chain A
            PDB_Identifier:1UM3
            N_terminal:out
            number_tmsegs:4
            tm_segments:A.34,55;B.79,109;C.116,137;D.178,205
            sequence:MANVYDWFQERLEIQALADDVTSKYVPPHVNIFYCLGGITLTCFLIQFATGFAMTFYYKPTVTEAYASVQYIMNEVSFGWLIRSIHRWSASMMVLMMILHVFRVYLTGGFKKPRELTWISGVILAVITVSFGVTGYSLPWDQVGYWAVKIVSGVPEAIPVVGVLISDLLRGGSSVGQATLTRYYSAHTFVLPWLIAVFMLLHFLMIRKQGISGPL*