>5nv7B (B:) observed residues (from ATOM records) eyqdgkefgigdlvwgkikgfswwpamvvswkatskrqamsgmrwvqwfgdgkfsevsad klvalglfsqhfnlatfnklvsyrkamyhalekarvragktfpledqlkpmlewahggfk ptgieglkpn