Chains and heterogens:
PDB Chain Sequences:
>2q1xA (A:) mtpphnylavikvvgiggggvnavnrmieqglkgvefiaintdaqallmsdadvkldvgr dstrglgagadpevgrkaaedakdeieellrgadmvfvtagegggtgtggapvvasiark lgaltvgvvtrpfsfegkrrsnqaengiaalrescdtlivipndrllqmgdaavslmdaf rsadevllngvqgitdlittpglinvdfadvkgimsgagtalmgigsargegrslkaaei ainsplleasmegaqgvlmsiaggsdlglfeineaaslvqdaahpdaniifgtviddslg devrvtviaagfdvsgpgrkpvmgetggahriesakagkltstlfepvdavsvplhtnga tlsiggddddvdvppfmrr
>2q1xA (A:) lavikvvgiggggvnavnrmieqglkgvefiaintdaqallmsdadvkldvgrdsadpev grkaaedakdeieellrgadmvfvtagegggtgtggapvvasiarklgaltvgvvtrpfs fegkrrsnqaengiaalrescdtlivipndrllqmgdaavslmdafrsadevllngvqgi tdlittpglinvdfadvkgimsgagtalmgigsargegrslkaaeiainsplleasmega qgvlmsiaggsdlglfeineaaslvqdaahpdaniifgtviddslgdevrvtviaagf
>2q1xB (B:) mtpphnylavikvvgiggggvnavnrmieqglkgvefiaintdaqallmsdadvkldvgr dstrglgagadpevgrkaaedakdeieellrgadmvfvtagegggtgtggapvvasiark lgaltvgvvtrpfsfegkrrsnqaengiaalrescdtlivipndrllqmgdaavslmdaf rsadevllngvqgitdlittpglinvdfadvkgimsgagtalmgigsargegrslkaaei ainsplleasmegaqgvlmsiaggsdlglfeineaaslvqdaahpdaniifgtviddslg devrvtviaagfdvsgpgrkpvmgetggahriesakagkltstlfepvdavsvplhtnga tlsiggddddvdvppfmrr
>2q1xB (B:) nylavikvvgiggggvnavnrmieqglkgvefiaintdaqallmsdadvkldvgdpevgr kaaedakdeieellrgadmvfvtagegggtgtggapvvasiarklgaltvgvvtrpfsfe gkrqaengiaalrescdtlivipndrllvslmdafrsadevllngvqgitdlittpglin vdfadvkgimsgagtalmgigsargegrslkaaeiainsplleasmegaqgvlmsiaggs dlglfeineaaslvqdaahpdaniifgtviddslgdevrvtviaagf