Chains and heterogens:
PDB Chain Sequences:
>1cyyA (A:) efwevdastttpsgealalqvthqndkpfrpvnkeqtqaavsllekarysvleredkptt skpgapfitstlqqaastrlgfgvkktmmmaqrlyeagyitymrtdstnlsqdavnmvrg yisdnfgkkylpespnqyaskensqeaheairpsdvnvmaeslkdmeadaqklyqliwrq fvacqmtpakydsttltvgagdfrlkargrilrfdgwtkvmpalrkgdedrilpavnkgd altlveltpaqhftk
>1cyyA (A:) efwevdastttpsgealalqvthqndkpfrpvnkeqtqaavsllekarysvleredkptt skpgapfitstlqqaastrlgfgvkktmmmaqrlyeagyitymrtdstnlsqdavnmvrg yisdnfgkkylpespnqyaskensqeaheairpsdvnvmaeslkdmeadaqklyqliwrq fvacqmtpakydsttltvgagdfrlkargrilrfdgwtkvmpaldrilpavnkgdaltlv eltpaqhftk
>1cyyB (B:) fvpeefwevdastttpsgealalqvthqndkpfrpvnkeqtqaavsllekarysvlered kpttskpgapfitstlqqaastrlgfgvkktmmmaqrlyeagyitymrtdstnlsqdavn mvrgyisdnfgkkylpespnqyaskensqeaheairpsdvnvmaeslkdmeadaqklyql iwrqfvacqmtpakydsttltvgagdfrlkargrilrfdgwtkvmpalrkgdedrilpav nkgdaltlveltpaqhftkpp
>1cyyB (B:) fvpeefwevdastttpsgealalqvthqndkpfrpvnkeqtqaavsllekarysvlered kpttskpgapfitstlqqaastrlgfgvkktmmmaqrlyeagyitymrtdstnlsqdavn mvrgyisdnfgkkylpespnqyaseaheairpsdvnvmaeslkdmeadaqklyqliwrqf vacqmtpakydsttltvgagdfrlkargrilrfdgwtkvmpaldrilpavnkgdaltlve ltpaqhftkpp