>2p2zB (B:) observed residues (from ATOM records)
melwlvrhgetlwnregrllgwtdlpltaegeaqarrlkgalpslpafssdllrarrtae
lagfsprlypelreihfgalegalwetldprykeallrfqgfhppggeslsafqervfrf
legmkapavlfthggvvravlralgedglvppgsavavdwprrvlvrlal