Chains and heterogens:
PDB Chain Sequences:
>1sqdA (A:) mgfklvgfskfvrknpksdkfkvkrfhhiefwcgdatnvarrfswglgmrfsaksdlstg nmvhasylltsgdlrflftapyspslsageikptttasipsfdhgscrsffsshglgvra vaievedaesafsisvangaipssppivlneavtiaevklygdvvlryvsykaedtekse flpgfervedassfpldygirrldhavgnvpelgpaltyvagftgfhqfaeftaddvgta esglnsavlasndemvllpinepvhgtkrksqiqtylehnegaglqhlalmsedifrtlr emrkrssiggfdfmpsppptyyqnlkkrvgdvlsddqikeceelgilvdrddqgtllqif tkplgdrptifieiiqrvgcmmkdeegkayqsggcggfgkgnfselfksieeyektleak qlvg
>1sqdA (A:) knpksdkfkvkrfhhiefwcgdatnvarrfswglgmrfsaksdlstgnmvhasylltsgd lrflftapyspslsageikptttasipsfdhgscrsffsshglgvravaievedaesafs isvangaipssppivlneavtiaevklygdvvlryvsykaeflpgfervedassfpldyg irrldhavgnvpelgpaltyvagftgfhqfaeftsglnsavlasndemvllpinepvhgk sqiqtylehnegaglqhlalmsedifrtlremrkrssiggfdfmpsppptyyqnlkkrvg dvlsddqikeceelgilvdrddqgtllqiftkplgdrptifieiiqrvgcmmyqsggcgg fgkgnfselfksi