Chains and heterogens:
PDB Chain Sequences:
>1ycfA (A:) sqpvaitdgiywvgavdwniryfhgpafsthrgttynaylivddktalvdtvyepfkeel iaklkqikdpvkldylvvnhtesdhagafpaimelcpdahvlctqrafdslkahyshidf nytivktgtsvslgkrsltfieapmlhwpdsmftyvpeealllpndafgqhiatsvrfdd qvdaglimdeaakyyanilmpfsnlitkkldeiqkinlaiktiapshgiiwrkdpgriie ayarwaegqgkakaviaydtmwlstekmahalmdglvaggcevklfklsvsdrndvikei ldaravlvgsptinndilpvvspllddlvglrpknkvglafgaygwgggaqkileerlka akieliaepgptvqwvprgedlqrcyelgrkiaariad
>1ycfB (B:) sqpvaitdgiywvgavdwniryfhgpafsthrgttynaylivddktalvdtvyepfkeel iaklkqikdpvkldylvvnhtesdhagafpaimelcpdahvlctqrafdslkahyshidf nytivktgtsvslgkrsltfieapmlhwpdsmftyvpeealllpndafgqhiatsvrfdd qvdaglimdeaakyyanilmpfsnlitkkldeiqkinlaiktiapshgiiwrkdpgriie ayarwaegqgkakaviaydtmwlstekmahalmdglvaggcevklfklsvsdrndvikei ldaravlvgsptinndilpvvspllddlvglrpknkvglafgaygwgggaqkileerlka akieliaepgptvqwvprgedlqrcyelgrkiaariad
>1ycfC (C:) sqpvaitdgiywvgavdwniryfhgpafsthrgttynaylivddktalvdtvyepfkeel iaklkqikdpvkldylvvnhtesdhagafpaimelcpdahvlctqrafdslkahyshidf nytivktgtsvslgkrsltfieapmlhwpdsmftyvpeealllpndafgqhiatsvrfdd qvdaglimdeaakyyanilmpfsnlitkkldeiqkinlaiktiapshgiiwrkdpgriie ayarwaegqgkakaviaydtmwlstekmahalmdglvaggcevklfklsvsdrndvikei ldaravlvgsptinndilpvvspllddlvglrpknkvglafgaygwgggaqkileerlka akieliaepgptvqwvprgedlqrcyelgrkiaariad
>1ycfD (D:) sqpvaitdgiywvgavdwniryfhgpafsthrgttynaylivddktalvdtvyepfkeel iaklkqikdpvkldylvvnhtesdhagafpaimelcpdahvlctqrafdslkahyshidf nytivktgtsvslgkrsltfieapmlhwpdsmftyvpeealllpndafgqhiatsvrfdd qvdaglimdeaakyyanilmpfsnlitkkldeiqkinlaiktiapshgiiwrkdpgriie ayarwaegqgkakaviaydtmwlstekmahalmdglvaggcevklfklsvsdrndvikei ldaravlvgsptinndilpvvspllddlvglrpknkvglafgaygwgggaqkileerlka akieliaepgptvqwvprgedlqrcyelgrkiaariad