Chains and heterogens:
PDB Chain Sequences:
>1yaaA (A:) satlfnniellppdalfgikqrygqdqratkvdlgigayrddngkpwvlpsvkaaeklih ndssynheylgitglpsltsnaakiifgtqsdalqedrvisvqslsgtgalhisakffsk ffpdklvylskptwanhmaifenqglktatypywanetksldlngflnaiqkapegsifv lhscahnptgldptseqwvqivdaiasknhialfdtayqgfatgdldkdayavrlgvekl stvspvfvcqsfaknagmygervgcfhlaltkqaqnktikpavtsqlakiirsevsnppa ygakivaklletpelteqwhkdmvtmssritkmrhalrdhlvklgtpgnwdhivnqcgmf sftgltpqmvkrleethavylvasgrasiaglnqgnveyvakaidevvrfya
>1yaaB (B:) satlfnniellppdalfgikqrygqdqratkvdlgigayrddngkpwvlpsvkaaeklih ndssynheylgitglpsltsnaakiifgtqsdalqedrvisvqslsgtgalhisakffsk ffpdklvylskptwanhmaifenqglktatypywanetksldlngflnaiqkapegsifv lhscahnptgldptseqwvqivdaiasknhialfdtayqgfatgdldkdayavrlgvekl stvspvfvcqsfaknagmygervgcfhlaltkqaqnktikpavtsqlakiirsevsnppa ygakivaklletpelteqwhkdmvtmssritkmrhalrdhlvklgtpgnwdhivnqcgmf sftgltpqmvkrleethavylvasgrasiaglnqgnveyvakaidevvrfya
>1yaaC (C:) satlfnniellppdalfgikqrygqdqratkvdlgigayrddngkpwvlpsvkaaeklih ndssynheylgitglpsltsnaakiifgtqsdalqedrvisvqslsgtgalhisakffsk ffpdklvylskptwanhmaifenqglktatypywanetksldlngflnaiqkapegsifv lhscahnptgldptseqwvqivdaiasknhialfdtayqgfatgdldkdayavrlgvekl stvspvfvcqsfaknagmygervgcfhlaltkqaqnktikpavtsqlakiirsevsnppa ygakivaklletpelteqwhkdmvtmssritkmrhalrdhlvklgtpgnwdhivnqcgmf sftgltpqmvkrleethavylvasgrasiaglnqgnveyvakaidevvrfya
>1yaaD (D:) satlfnniellppdalfgikqrygqdqratkvdlgigayrddngkpwvlpsvkaaeklih ndssynheylgitglpsltsnaakiifgtqsdalqedrvisvqslsgtgalhisakffsk ffpdklvylskptwanhmaifenqglktatypywanetksldlngflnaiqkapegsifv lhscahnptgldptseqwvqivdaiasknhialfdtayqgfatgdldkdayavrlgvekl stvspvfvcqsfaknagmygervgcfhlaltkqaqnktikpavtsqlakiirsevsnppa ygakivaklletpelteqwhkdmvtmssritkmrhalrdhlvklgtpgnwdhivnqcgmf sftgltpqmvkrleethavylvasgrasiaglnqgnveyvakaidevvrfya