Chains and heterogens:
PDB Chain Sequences:
>6kvqA (A:) ghmatlkvigvggggnnavnrmidhgmnnvefiaintdgqalnlskaeskiqigekltrg lgaganpeigkkaaeesreqiedaiqgadmvfvtsgmgggtgtgaapvvakiakemgalt vgvvtrpfsfegrkrqtqaaagveamkaavdtlivipndrlldivdkstpmmeafkeadn vlrqgvqgisdliavsgevnldfadvktimsnqgsalmgigvssgenraveaakkaissp lletsivgaqgvlmnitggeslslfeaqeaadivqdaadedvnmifgtvinpelqdeivv tviatgfd