Chains and heterogens:
PDB Chain Sequences:
>1szbA (A:) tplgpkwpepvfgrlaspgfpgeyandqerrwtltappgyrlrlyfthfdlelshlceyd fvklssgakvlatlcgqestdterapgkdtfyslgsslditfrsdysnekpftgfeafya aedidecqvapgeaptcdhhchnhlggfycscragyvlhrnkrtcseqsl
>1szbA (A:) plgpkwpepvfgrlaspgfpgeyandqerrwtltappgyrlrlyfthfdlelshlceydf vklssgakvlatlcgqestdterapgkdtfyslgsslditfrsdysnekpftgfeafyaa edidecqvapgeaptcdhhchnhlggfycscragyvlhrnkrtcseq
>1szbB (B:) tplgpkwpepvfgrlaspgfpgeyandqerrwtltappgyrlrlyfthfdlelshlceyd fvklssgakvlatlcgqestdterapgkdtfyslgsslditfrsdysnekpftgfeafya aedidecqvapgeaptcdhhchnhlggfycscragyvlhrnkrtcseqsl
>1szbB (B:) lgpkwpepvfgrlaspgfpgeyandqerrwtltappgyrlrlyfthfdlelshlceydfv klssgakvlatlcgqestdterapgkdtfyslgsslditfrsdysnekpftgfeafyaae didecqvapgeaptcdhhchnhlggfycscragyvlhrnkrtcseq