>2iffH (H:) observed residues (from ATOM records) vqlqqsgaelmkpgasvkisckasgytfsdywiewvkqrpghglewigeilpgsgstnyh erfkgkatftadtssstaymqlnsltsedsgvyyclhgnydfdgwgqgttltvssakttp psvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdlytls ssvtvpssprpsetvtcnvahpasstkvdkkivp