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