Chains and heterogens:
PDB Chain Sequences:
>1pq9A (A:) gshmgegegvqltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwplgadpqsrdarqqrf ahftelaiisvqeivdfakqvpgflqlgredqiallkastieimlletarrynhetecit flkdftyskddfhraglqvefinpifefsramrrlglddaeyalliainifsadrpnvqe pgrvealqqpyveallsytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkk lppllseiwdvhe
>1pq9A (A:) ltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwprdarqqrfahftelaiisvqeivdfa kqvpgflqlgredqiallkastieimlletarrynhetecitflkdftyskddfhraglq vefinpifefsramrrlglddaeyalliainifsadrpnvqepgrvealqqpyveallsy trikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkklppllseiwd
>1pq9B (B:) gshmgegegvqltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwplgadpqsrdarqqrf ahftelaiisvqeivdfakqvpgflqlgredqiallkastieimlletarrynhetecit flkdftyskddfhraglqvefinpifefsramrrlglddaeyalliainifsadrpnvqe pgrvealqqpyveallsytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkk lppllseiwdvhe
>1pq9B (B:) qltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwplgadprdarqqrfahftelaiisvq eivdfakqvpgflqlgredqiallkastieimlletarrynhetecitflkdftyskddf hraglqvefinpifefsramrrlglddaeyalliainifsadrpnvqepgrvealqqpyv eallsytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkklppllseiwd
>1pq9C (C:) gshmgegegvqltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwplgadpqsrdarqqrf ahftelaiisvqeivdfakqvpgflqlgredqiallkastieimlletarrynhetecit flkdftyskddfhraglqvefinpifefsramrrlglddaeyalliainifsadrpnvqe pgrvealqqpyveallsytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkk lppllseiwdvhe
>1pq9C (C:) ltaaqelmiqqlvaaqlqcnkrsfkvtpwplqsrdarqqrfahftelaiisvqeivdfak qvpgflqlgredqiallkastieimlletarrynhetecitflkdftyskddfhraglqv efinpifefsramrrlglddaeyalliainifsadrpnvqepgrvealqqpyveallsyt rikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkklppllseiwd
>1pq9D (D:) gshmgegegvqltaaqelmiqqlvaaqlqcnkrsfsdqpkvtpwplgadpqsrdarqqrf ahftelaiisvqeivdfakqvpgflqlgredqiallkastieimlletarrynhetecit flkdftyskddfhraglqvefinpifefsramrrlglddaeyalliainifsadrpnvqe pgrvealqqpyveallsytrikrpqdqlrfprmlmklvslrtlssvhseqvfalrlqdkk lppllseiwdvhe
>1pq9D (D:) ltaaqelmiqqlvaaqlqcnkrsvtpwsrdarqqrfahftelaiisvqeivdfakqvpgf lqlgredqiallkastieimlletarrynhetecitfftyskddfhraglqvefinpife fsramrrlglddaeyalliainifsadrpnvqepgrvealqqpyveallsytrikrpqdq lrfprmlmklvslrtlssvhseqvfalrklppllseiwd