Chains and heterogens:
PDB Chain Sequences:
>1x7yA (A:) sslddkpqfpgasaefidklefiqpnvisgipiyrvmdrqgqiinpsedphlpkekvlkl yksmtllntmdrilyesqrqgrisfymtnygeegthvgsaaaldntdlvfgqyreagvlm yrdyplelfmaqcygnisdlgkgrqmpvhygckerhfvtissplatqipqavgaayaakr ananrvvicyfgegaasegdahagfnfaatlecpiiffcrnngyaistptseqyrgdgia argpgygimsirvdgndvfavynatkearrravaenqpflieamtyrighhntsddssay rsvdevnywdkqdhpisrlrhyllsqgwwdeeqekawrkqsrrkvmeafeqaerkpkpnp nllfsdvyqempaqlrkqqeslarhlqtygehypldhfdk
>1x7yA (A:) pqfpgasaefidklefiqpnvisgipiyrvmdrqgqiinpsedphlpkekvlklyksmtl lntmdrilyesqrqgrisfymtnygeegthvgsaaaldntdlvfgqyreagvlmyrdypl elfmaqcygnisdlgkgrqmpvhygckerhfvtissplatqipqavgaayaakrananrv vicyfgegaasegdahagfnfaatlecpiiffcrnngyaistptseqyrgdgiaargpgy gimsirvdgndvfavynatkearrravaenqpflieamtyrdhpisrlrhyllsqgwwde eqekawrkqsrrkvmeafeqaerkpkpnpnllfsdvyqempaqlrkqqeslarhlqtyge hypldhfdk
>1x7yB (B:) vahftfqpdpepreygqtqkmnlfqsvtsaldnslakdptavifgedvafggvfrctvgl rdkygkdrvfntplceqgivgfgigiavtgataiaeiqfadyifpafdqivneaakyryr sgdlfncgsltirspwgcvghgalyhsqspeaffahcpgikvviprspfqakglllscie dknpciffepkilyraaaeevpiepyniplsqaeviqegsdvtlvawgtqvhvirevasm akeklgvscevidlrtiipwdvdticksviktgrllisheapltggfaseisstvqeecf lnleapisrvcgydtpfphifepfyipdkwkcydalrkminy
>1x7yB (B:) eygqtqkmnlfqsvtsaldnslakdptavifgedvafggvfrctvglrdkygkdrvfntp lceqgivgfgigiavtgataiaeiqfadyifpafdqivneaakyryrsgdlfncgsltir spwgcvghgalyhsqspeaffahcpgikvviprspfqakglllsciedknpciffepkil yraaaeevpiepyniplsqaeviqegsdvtlvawgtqvhvirevasmakeklgvscevid lrtiipwdvdticksviktgrllisheapltggfaseisstvqeecflnleapisrvcgy dtpfphifepfyipdkwkcydalrkminy