>1cu4H (H:) observed residues (from ATOM records) klqqsgaelvrsgasvklsctasgfnikdyyiqwvkqrpeqglewigwidpengnseyap rfqgkatmtadtlsntaylqlssltsedtavyycnadlhdywgqgttltvssakttapsv yplapvcgdttgssvtlgclvkgyfpepvtltwnsgslssgvhtfpavlqsdlytlsssv tvtsstwpsqsitcnvahpasstkvdkkieprvts