Chains and heterogens:
PDB Chain Sequences:
>1v4vA (A:) meggmkrvvlafgtrpeatkmapvylalrgipglkplvlltgqhreqlrqalslfgiqed rnldvmqerqalpdlaarilpqaaralkemgadyvlvhgdtlttfavawaaflegipvgh veaglrsgnlkepfpeeanrrltdvltdldfaptplakanllkegkreegilvtgqtgvd avllaaklgrlpeglpegpyvtvtmhrrenwpllsdlaqalkrvaeafphltfvypvhln pvvreavfpvlkgvrnfvlldpleygsmaalmraslllvtdsgglqeegaalgvpvvvlr nvterpeglkagilklagtdpegvyrvvkgllenpeelsrmrkaknpygdgkaglmvarg vawrlglgprpedwlp
>1v4vA (A:) gmkrvvlafgtrpeatkmapvylalrgipglkplvlltgqhreqlrqalslfgiqedrnl dvmqerqalpdlaarilpqaaralkemgadyvlvhgdtlttfavawaaflegipvghvea glrsgnlkepfpeeanrrltdvltdldfaptplakanllkegkreegilvtgqtgvdavl laaklgrlpeglpegpyvtvtmhrrenwpllsdlaqalkrvaeafphltfvypvhlnpvv reavfpvlkgvrnfvlldpleygsmaalmraslllvtdsgglqeegaalgvpvvvlrnvt erpeglkagilklagtdpegvyrvvkgllenpeelsrmrkaknpygdgkaglmvargvaw rlglgprpedwlp
>1v4vB (B:) meggmkrvvlafgtrpeatkmapvylalrgipglkplvlltgqhreqlrqalslfgiqed rnldvmqerqalpdlaarilpqaaralkemgadyvlvhgdtlttfavawaaflegipvgh veaglrsgnlkepfpeeanrrltdvltdldfaptplakanllkegkreegilvtgqtgvd avllaaklgrlpeglpegpyvtvtmhrrenwpllsdlaqalkrvaeafphltfvypvhln pvvreavfpvlkgvrnfvlldpleygsmaalmraslllvtdsgglqeegaalgvpvvvlr nvterpeglkagilklagtdpegvyrvvkgllenpeelsrmrkaknpygdgkaglmvarg vawrlglgprpedwlp
>1v4vB (B:) mkrvvlafgtrpeatkmapvylalrgipglkplvlltgqhreqlrqalslfgiqedrnld vmqerqalpdlaarilpqaaralkemgadyvlvhgdtlttfavawaaflegipvghveag lrsgnlkepfpeeanrrltdvltdldfaptplakanllkegkreegilvtgqtgvdavll aaklgrlpeglpegpyvtvtmhrrenwpllsdlaqalkrvaeafphltfvypvhlnpvvr eavfpvlkgvrnfvlldpleygsmaalmraslllvtdsgglqeegaalgvpvvvlrnvte rpeglkagilklagtdpegvyrvvkgllenpeelsrmrkaknpygdgkaglmvargvawr lglgprpedwlp