>2a7sC (C:) observed residues (from ATOM records)
idihttagklaelhkrreeslhpvgedavekvhakgkltareriyalldedsfveldala
khrstnfnlgekrplgdgvvtgygtidgrdvcifsqdatvfggslgevygekivkvqela
iktgrpligindgagariqegvvslglysrifrnnilasgvipqislimgaaagghvysp
altdfvimvdqtsqmfitgpdviktvtgeevtmeelggahthmaksgtahyaasgeqdaf
dyvrellsylppnnstdapryqaaaptgpieenltdedleldtlipdspnqpydmhevit
rllddefleiqagyaqnivvgfgridgrpvgivanqpthfagcldinasekaarfvrtcd
cfnipivmlvdvpgflpgtdqeyngiirrgakllyaygeatvpkitvitrkayggaycvm
gskdmgcdvnlawptaqiavmgasgavgfvyrqqlaeaaangedidklrlrlqqeyedtl
vnpyvaaergyvdavippshtrgyigtalrllerkiaqlppkkhgnvpl