Chains and heterogens:
PDB Chain Sequences:
>1blbA (A:) asdhqtqagkpqplnpkiiifeqenfqghshelngpcpnlketgvekagsvlvqagpwvg yeqanckgeqfvfekgeyprwdswtssrrtdslsslrpikvdsqehkitlyenpnftgkk mevidddvpsfhahgyqekvssvrvqsgtwvgyqypgyrglqyllekgdykdsgdfgapq pqvqsvrrirdmqwhqrgafhpss
>1blbA (A:) kpqplnpkiiifeqenfqghshelngpcpnlketgvekagsvlvqagpwvgyeqanckge qfvfekgeyprwdswtssrrtdslsslrpikvdsqehkitlyenpnftgkkmevidddvp sfhahgyqekvssvrvqsgtwvgyqypgyrglqyllekgdykdsgdfgapqpqvqsvrri rdmqw
>1blbB (B:) asdhqtqagkpqplnpkiiifeqenfqghshelngpcpnlketgvekagsvlvqagpwvg yeqanckgeqfvfekgeyprwdswtssrrtdslsslrpikvdsqehkitlyenpnftgkk mevidddvpsfhahgyqekvssvrvqsgtwvgyqypgyrglqyllekgdykdsgdfgapq pqvqsvrrirdmqwhqrgafhpss
>1blbB (B:) lnpkiiifeqenfqghshelngpcpnlketgvekagsvlvqagpwvgyeqanckgeqfvf ekgeyprwdswtssrrtdslsslrpikvdsqehkitlyenpnftgkkmevidddvpsfha hgyqekvssvrvqsgtwvgyqypgyrglqyllekgdykdsgdfgapqpqvqsvrrirdmq w
>1blbC (C:) asdhqtqagkpqplnpkiiifeqenfqghshelngpcpnlketgvekagsvlvqagpwvg yeqanckgeqfvfekgeyprwdswtssrrtdslsslrpikvdsqehkitlyenpnftgkk mevidddvpsfhahgyqekvssvrvqsgtwvgyqypgyrglqyllekgdykdsgdfgapq pqvqsvrrirdmqwhqrgafhpss
>1blbC (C:) agkpqplnpkiiifeqenfqghshelngpcpnlketgvekagsvlvqagpwvgyeqanck geqfvfekgeyprwdswtssrrtdslsslrpikvdsqehkitlyenpnftgkkmeviddd vpsfhahgyqekvssvrvqsgtwvgyqypgyrglqyllekgdykdsgdfgapqpqvqsvr rirdmqw
>1blbD (D:) asdhqtqagkpqplnpkiiifeqenfqghshelngpcpnlketgvekagsvlvqagpwvg yeqanckgeqfvfekgeyprwdswtssrrtdslsslrpikvdsqehkitlyenpnftgkk mevidddvpsfhahgyqekvssvrvqsgtwvgyqypgyrglqyllekgdykdsgdfgapq pqvqsvrrirdmqwhqrgafhpss
>1blbD (D:) qplnpkiiifeqenfqghshelngpcpnlketgvekagsvlvqagpwvgyeqanckgeqf vfekgeyprwdswtssrrtdslsslrpikvdsqehkitlyenpnftgkkmevidddvpsf hahgyqekvssvrvqsgtwvgyqypgyrglqyllekgdykdsgdfgapqpqvqsvrrird mqw