>3i4yA (A:) observed residues (from ATOM records)
atadtsperlaaiakdalgalndvilkhgvtypeyrvfkqwlidvgeggewplfldvfie
hsveevlarsrkgtmgsiegpyyienspelpskctlpmreedekitplvfsgqvtdldgn
glagakvelwhadndgyysqfaphlpewnlrgtiiadeegryeittiqpapyqiptdgpt
gqfieaqnghpwrpahlhlivsapgkesvttqlyfkggewidsdvasatkpelildpktg
ddgknyvtynfvldpa