>1y4hA (A:) observed residues (from ATOM records)
qvqyentlknfkireqqfdnswcagfsmaallnatkntdtynahdimrtlypevseqdlp
ncatfpnqmieygksqgrdihyqegvpsynqvdqltkdnvgimilaqsvsqnpndphlgh
alavvgnakindqekliywnpwdtelsiqdadssllhlsfnrdynwygsmigy