>3tgzB (B:) observed residues (from ATOM records)
pqvelfvkagsdgakigncpfsqrlfmvlflkgvtfnvttvdtkrrtetvqklcpggqlp
fllygtevhtdtnkieefleavlcpprypklaalnpesntagldifakfsayiknsnpal
ndnlekgllkalkvldnyltsplpeevdetsaedegvsqrkfldgneltladcnllpklh
ivqvvckkyrgftipeafrgvwrylsnayareefastcpddeeielayeqvakalk