Chains and heterogens:
PDB Chain Sequences:
>6rvnA (A:) gshmatlkvigvggggnnavnrmidhgmnnvefiaintdgqalnlskaeskiqigekltr glgaganpeigkkaaeesreqiedaiqgadmvfvtsgmgggtgtgaapvvakiakemgal tvgvvtrpfsfegrkrqtqaaagveamkaavdtlivipndrlldivdkstpmmeafkead nvlrqgvqgisdliavsgevnldfadvktimsnqgsalmgigvssgenraveaakkaiss plletsivgaqgvlmnitggeslslfeaqeaadivqdaadedvnmifgtvinpelqdeiv vtviatgf