>6f28B (B:) observed residues (from ATOM records)
rslivttlleepfvmfrksdrtlygndrfegycidllkelahilgfsyeirlvedgkyga
qddkgqwngmvkelidhkadlavapltithvrekaidfskpfmtlgvsilyrkgtpidsa
ddlakqtkieygavkdgatmtffkkskistfekmwafmsskpsalvknneegiqrtltad
yallmesttieyitqrncnltqigglidskgygigtpmgspyrdkitiailqlqeedklh
imkekwwrgsgc