Chains and heterogens:
PDB Chain Sequences:
>2mllA (A:) yergdldvtaqttgagyfsfitllrdyvssgsfsnaipllsqsggggeagrfvlveltns ggdgitvaidvtnlyvvayqagsqsyflsgpggrggftgttrsslpfngsypdleqyggq rkqiplgidqliqsvtalkfpgstrtgarsililiqmiseaarfnpilwrarqyinsgas flpdvymleletswgqqstqvqhstdgvfnnpialadpgggvtltnvrdviaslaimlfv c
>2mllB (B:) csaseptvrivgrngmnvdvrdddfhdgnqiqlwpsksnndpnqlwtikrdgtirsngsc lttygytagvyvmifdcatavgeatvwqiwgngtiinprsnlvlaassgikgttltvqtl dytlgqgwlagndtaprevtiygfndlcmesgggsvtvetcssgkadkwalygdgsirpe qnqaqcltsggdsvagvnivscsgaasgqrwvftnegailnlknglamdvanpgggriii ypatgkpnqmwlpvf