>2pa0B (B:) observed residues (from ATOM records)
melwlvrhgetlwnregrllgwtdlpmtaegeaqarrlkgalpslpafssdllrarrtae
lagfsprlypelreihfgalegalwetldprykeallrfqgfhppggeslsafqervfrf
leglkapavlfthggvvravlralgedglvppgsavavdwprrvlvrlal