Chains and heterogens:
PDB Chain Sequences:
>2pgtA (A:) mppytvvyfpvrgrcaalrmlladqgqswkeevvtvetwqegslkasclygqlpkfqdgd ltlyqsntilrhlgrtlglygkdqqeaalvdmvndgvedlrckyvsliytnyeagkddyv kalpgqlkpfetllsqnqggktfivgdqisfadynlldlllihevlapgcldafpllsay vgrlsarpklkaflaspeyvnlpingngkq
>2pgtB (B:) mppytvvyfpvrgrcaalrmlladqgqswkeevvtvetwqegslkasclygqlpkfqdgd ltlyqsntilrhlgrtlglygkdqqeaalvdmvndgvedlrckyvsliytnyeagkddyv kalpgqlkpfetllsqnqggktfivgdqisfadynlldlllihevlapgcldafpllsay vgrlsarpklkaflaspeyvnlpingngkq
>2pgtB (B:) ppytvvyfpvrgrcaalrmlladqgqswkeevvtvetwqegslkasclygqlpkfqdgdl tlyqsntilrhlgrtlglygkdqqeaalvdmvndgvedlrckyvsliytnyeagkddyvk alpgqlkpfetllsqnqggktfivgdqisfadynlldlllihevlapgcldafpllsayv grlsarpklkaflaspeyvnlpingngkq