>1r6qB (B:) observed residues (from ATOM records) mlnqelelslnmafararehrhefmtvehlllallsnpsarealeacsvdlvalrqelea fieqttpvlpaseeerdtqptlsfqrvlqravfhvqssgrnevtganvlvaifseqesqa ayllrkhevsrldvvnfishgt