>2pkrB (B:) observed residues (from ATOM records) klkvaingfgrigrnflrcwhgrkdspldvvvindtggvkqashllkydsilgtfdadvk tagdsaisvdgkvikvvsdrnpvnlpwgdmgidlviegtgvfvdrdgagkhlqagakkvl itapgkgdiptyvvgvneegythadtiisnascttnclapfvkvldqkfgiikgtmttth sytgdqrlldashrdlrraraaclnivptstgaakavalvlpnlkgklngialrvptpnv svvdlvvqvskktfaeevnaafresadnelkgilsvcdeplvsidfrctdvsstidsslt mvmgddmvkviawydnewgysqrvvdladivankwqg