Chains and heterogens:
PDB Chain Sequences:
>6s4uA (A:) gvqltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwplgadpqsrdarqqrfahftelai isvqeivdfakqvpgflqlgredqiallkastieimlletarrynhetecitflkdftys kddfhraglqvefinpifefsramrrlglddaeyalliainifsadrpnvqepgrvealq qpyveallsytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkklppllsei wdvhe
>6s4uA (A:) qltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwpqsrdarqqrfahftelaiisvqeiv dfakqvpgflqlgredqiallkastieimlletarrynhetecitflkdftyskddfhra glqvefinpifefsramrrlglddaeyalliainifsadrpnvqepgrvealqqpyveal lsytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkklppllseiwdv
>6s4uB (B:) gvqltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwplgadpqsrdarqqrfahftelai isvqeivdfakqvpgflqlgredqiallkastieimlletarrynhetecitflkdftys kddfhraglqvefinpifefsramrrlglddaeyalliainifsadrpnvqepgrvealq qpyveallsytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkklppllsei wdvhe
>6s4uB (B:) qltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwpdarqqrfahftelaiisvqeivdfa kqvpgflqlgredqiallkastieimlletarrynhetecitflkdftyskddfhraglq vefinpifefsramrrlglddaeyalliainifsadrpnvqepgrvealqqpyveallsy trikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkklppllseiwdv
>6s4uC (C:) gvqltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwplgadpqsrdarqqrfahftelai isvqeivdfakqvpgflqlgredqiallkastieimlletarrynhetecitflkdftys kddfhraglqvefinpifefsramrrlglddaeyalliainifsadrpnvqepgrvealq qpyveallsytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkklppllsei wdvhe
>6s4uC (C:) vqltaaqelmiqqlvaaqlqcnkrsfpkvtpwpqsrdarqqrfahftelaiisvqeivdf akqvpgflqlgredqiallkastieimlletarrynhetecitflkdftyskddfhragl qvefinpifefsramrrlglddaeyalliainifsadrpnvqepgrvealqqpyvealls ytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkklppllseiwdv