>2pkrH (H:) observed residues (from ATOM records)
klkvaingfgrigrnflrcwhgrkdspldvvvindtggvkqashllkydsilgtfdadvk
tagdsaisvdgkvikvvsdrnpvnlpwgdmgidlviegtgvfvdrdgagkhlqagakkvl
itapgkgdiptyvvgvneegythadtiisnascttnclapfvkvldqkfgiikgtmttth
sytgdqrlldashrdlrraraaclnivptstgaakavalvlpnlkgklngialrvptpnv
svvdlvvqvskktfaeevnaafresadnelkgilsvcdeplvsidfrctdvsstidsslt
mvmgddmvkviawydnewgysqrvvdladivankwq