>4ffwH (H:) observed residues (from ATOM records) efqlqqsgpelvkpgasvkisckasgysftdyninwmkqsngkslewigvvipkygttny nqkfqgkatltvdqssstayiqlnsltsedsavyyctrfrdvffdvwgtgttvtvssakt tapsvyplapvtlgclvkgyfpepvtltwnsgslssgvhtfpallqsglytlsssvtvts ntwpsqtitcnvahpasstkvdkkivpr