Chains and heterogens:
PDB Chain Sequences:
>1md3A (A:) ppytvvyfpvrgrcaalrmlladqgqswkeevvtvetwqegslkasclygqlpkfqdgdl tlyqsntilrhlgrtlglygkdqqeaalvdmvndgvedlrckyisliytnyeagkddyvk alpgqlkpfetllsqnqggktfivadqisfadynlldlllihevlapgcldafpllsayv grlsarpklkaflaspeyvnlpingngkq
>1md3A (A:) pytvvyfpvrgrcaalrmlladqgqswkeevvtvetwqegslkasclygqlpkfqdgdlt lyqsntilrhlgrtlglygkdqqeaalvdmvndgvedlrckyisliytnyeagkddyvka lpgqlkpfetllsqnqggktfivadqisfadynlldlllihevlapgcldafpllsayvg rlsarpklkaflaspeyvnlpingngkq
>1md3B (B:) ppytvvyfpvrgrcaalrmlladqgqswkeevvtvetwqegslkasclygqlpkfqdgdl tlyqsntilrhlgrtlglygkdqqeaalvdmvndgvedlrckyisliytnyeagkddyvk alpgqlkpfetllsqnqggktfivadqisfadynlldlllihevlapgcldafpllsayv grlsarpklkaflaspeyvnlpingngkq
>1md3B (B:) pytvvyfpvrgrcaalrmlladqgqswkeevvtvetwqegslkasclygqlpkfqdgdlt lyqsntilrhlgrtlglygkdqqeaalvdmvndgvedlrckyisliytnyeagkddyvka lpgqlkpfetllsqnqggktfivadqisfadynlldlllihevlapgcldafpllsayvg rlsarpklkaflaspeyvnlpingngkq