>3ha7A (A:) observed residues (from ATOM records)
vsddffalfqdptrtyscayfeppeltleeaqyakvdlnldkldlkpgmtlldigcgwgt
tmrraverfdvnvigltlsknqharceqvlasidtnrsrqvllqgwedfaepvdrivsie
afehfghenyddffkrcfnimpadgrmtvqssvsyhpyeargkklsfetarfikfivtei
fpggrlpstemmvehgekagftvpeplslrphyiktlriwgdtlqsnkdkaieveevynr
ymkylrgcehyftdemldcslvtylkpgaa