>3rpnA (A:) observed residues (from ATOM records)
gplprtvelfydvlspyswlgfeilcryqniwninlqlrpslitgimkdsgnkppgllpr
kglymandlkllrhhlqipihfpkdflsvmlekgslsamrfltavnlehpemlekasrel
wmrvwsrneditepqsilaaaekagmsaeqaqgllekiatpkvknqlketteaacrygaf
glpitvahvdgqthmlfgsdrmellahllgekwmgpippa