>2brrH (H:) observed residues (from ATOM records)
vqleqsgpelkkpgetvkisckasgytftnygmnwvkqapgkglkwmgwintytgeptya
ddfkerfafsletsasaaylqinnlknedtatyfcardyygstypyyamdywgqgttvtv
ssakttapsvyplapvcgdttgssvtlgclvkgyfpepvtltwnsgslssgvhtfpavlq
sdlytlsssvtvtsstwpsqsitcnvahpasstkvdkkieprgg