>1v4vB (B:) observed residues (from ATOM records)
mkrvvlafgtrpeatkmapvylalrgipglkplvlltgqhreqlrqalslfgiqedrnld
vmqerqalpdlaarilpqaaralkemgadyvlvhgdtlttfavawaaflegipvghveag
lrsgnlkepfpeeanrrltdvltdldfaptplakanllkegkreegilvtgqtgvdavll
aaklgrlpeglpegpyvtvtmhrrenwpllsdlaqalkrvaeafphltfvypvhlnpvvr
eavfpvlkgvrnfvlldpleygsmaalmraslllvtdsgglqeegaalgvpvvvlrnvte
rpeglkagilklagtdpegvyrvvkgllenpeelsrmrkaknpygdgkaglmvargvawr
lglgprpedwlp