>4ociA (A:) observed residues (from ATOM records) lkesfllfdgdgdgyltlnefeslvrvlgvvmetsaiastynsnskvrgmsyelftscfs qlktksfnkdeiktainvldkdkkgfipaielrrilstigdnmeqkeitdlftfmgideq gvvkvddfinqdnhhhhhh