>3rr2A (A:) observed residues (from ATOM records)
smtiaenitqliggtplvrlrrvtdgaaadvvaklesfnpagsikdrigvamidaaekag
likpdtiileptsgntgialamvsaargykcvltmpdtmsierrmllraygaelvltpma
gaiakaeelaktddryfipqqfenpanpavhavttaeevwrdtdgkvdifvsgvgtggti
tgvaqvikqrrpsaqfvavepaaspvkgphpiqgigagfvppvldlalvdevitvgndda
lelarrmateegllvgissgaavwaarelahrpenagklivvvlpdfgery