>2br3A (A:) observed residues (from ATOM records)
ndysrqnfldlnlfrglgedpayhppvltdrprdwpldrwaeaprdlgysdfspyqwrgl
rmlkdpdtqavyhdmlwelrprtivelgvynggslawfrdltkimgidcqvigidrdlsr
cqipasdmenitlhqgdcsdlttfehlremahplifiddahantfnimkwavdhlleegd
yfiiedmipywyryapqlfseylgafrdvlsmdmlyanassqldrgvlrrva