Chains and heterogens:
PDB Chain Sequences:
>3kfcA (A:) gshmgegegvqltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwplgadpqsrdarqqrf ahftelaiisvqeivdfakqvpgflqlgredqiallkastieimlletarrynhetecit flkdftyskddfhraglqvefinpifefsramrrlglddaeyalliainifsadrpnvqe pgrvealqqpyveallsytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkk lppllseiwdvhe
>3kfcA (A:) ltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwplgdarqqrfahftelaiisvqeivdf akqvpgflqlgredqiallkastieimlletarrynhetecitflkdftyskddfhragl qvefinpifefsramrrlglddaeyalliainifsadrpnvqepgrvealqqpyvealls ytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkklppllseiwd
>3kfcB (B:) gshmgegegvqltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwplgadpqsrdarqqrf ahftelaiisvqeivdfakqvpgflqlgredqiallkastieimlletarrynhetecit flkdftyskddfhraglqvefinpifefsramrrlglddaeyalliainifsadrpnvqe pgrvealqqpyveallsytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkk lppllseiwdvhe
>3kfcB (B:) qltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwpdarqqrfahftelaiisvqeivdfa kqvpgflqlgredqiallkastieimlletarrynhetecitflkdftyskddfhraglq vefinpifefsramrrlglddaeyalliainifsadrpnvqepgrvealqqpyveallsy trikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkklppllseiwd
>3kfcC (C:) gshmgegegvqltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwplgadpqsrdarqqrf ahftelaiisvqeivdfakqvpgflqlgredqiallkastieimlletarrynhetecit flkdftyskddfhraglqvefinpifefsramrrlglddaeyalliainifsadrpnvqe pgrvealqqpyveallsytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkk lppllseiwdvhe
>3kfcC (C:) ltaaqelmiqqlvaaqlqcnkrsfahftelaiisvqeivdfakqvpgflqlgredqiall kastieimlletarrynhetecitflkdftyskddfinpifefsramrrlglddaeyall iainifsadrpnvqepgrvealqqpyveallsytrikrpqdqlrfprmlmklvslrtlss vhseqv
>3kfcD (D:) gshmgegegvqltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwplgadpqsrdarqqrf ahftelaiisvqeivdfakqvpgflqlgredqiallkastieimlletarrynhetecit flkdftyskddfhraglqvefinpifefsramrrlglddaeyalliainifsadrpnvqe pgrvealqqpyveallsytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkk lppllseiwdvhe
>3kfcD (D:) ltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwplgdarqqrfahftelaiisvqeivdf akqvpgflqlgredqiallkastieimlletarrynhetecitflkdftyskddfhragl qvefinpifefsramrrlglddaeyalliainifsadrpnvqepgrvealqqpyvealls ytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkklppllseiwd