Chains and heterogens:
PDB Chain Sequences:
>19gsA (A:) ppytvvyfpvrgrcaalrmlladqgqswkeevvtvetwqegslkasclygqlpkfqdgdl tlyqsntilrhlgrtlglygkdqqeaalvdmvndgvedlrckyisliytnyeagkddyvk alpgqlkpfetllsqnqggktfivgdqisfadynlldlllihevlapgcldafpllsayv grlsarpklkaflaspeyvnlpingngkq
>19gsA (A:) pytvvyfpvrgrcaalrmlladqgqswkeevvtvetwqegslkasclygqlpkfqdgdlt lyqsntilrhlgrtlglygkdqqeaalvdmvndgvedlrckyisliytnyeagkddyvka lpgqlkpfetllsqnqggktfivgdqisfadynlldlllihevlapgcldafpllsayvg rlsarpklkaflaspeyvnlpingngkq
>19gsB (B:) ppytvvyfpvrgrcaalrmlladqgqswkeevvtvetwqegslkasclygqlpkfqdgdl tlyqsntilrhlgrtlglygkdqqeaalvdmvndgvedlrckyisliytnyeagkddyvk alpgqlkpfetllsqnqggktfivgdqisfadynlldlllihevlapgcldafpllsayv grlsarpklkaflaspeyvnlpingngkq
>19gsB (B:) pytvvyfpvrgrcaalrmlladqgqswkeevvtvetwqegslkasclygqlpkfqdgdlt lyqsntilrhlgrtlglygkdqqeaalvdmvndgvedlrckyisliytnyeagkddyvka lpgqlkpfetllsqnqggktfivgdqisfadynlldlllihevlapgcldafpllsayvg rlsarpklkaflaspeyvnlpingngkq