>1rq7B (B:) observed residues (from ATOM records)
nylavikvvgiggggvnavnrmieqglkgvefiaintdaqallmsdadvkldvgadpevg
rkaaedakdeieellrgadmvfvtagegggtgtggapvvasiarklgaltvgvvtrpfsf
egkrrsnqaengiaalrescdtlivipndrllqmgvslmdafrsadevllngvqgitdli
ttpglinvdfadvkgimsgagtalmgigsargegrslkaaeiainsplleasmegaqgvl
msiaggsdlglfeineaaslvqdaahpdaniifgtviddslgdevrvtviaagfd