>4k0gA (A:) observed residues (from ATOM records)
qpqvelfvkagsdgakignspfsqrlfmvlwlkgvtfnvttvdtkrrtetvqklcpggql
pfllygtevhtdtnkieefleavlcpprypklaalnpesntagldifakfsayiknsnpa
lndnlekgllkalkvldnyltsplpeevdetsaedegvsqrkfldgneltladcnllpkl
hivqvvckkyrgftipeafrgvhrylsnayareefastcpddeeielayeqvakalk