>1zxzB (B:) observed residues (from ATOM records)
dlpeivasgdpvlhekarevdpgeigseriqkiiddmikvmrlapgvglaapqigvplri
ivledtkeyisyapkeeilaqerrhfdlmvmvnpvlkersnkkalffegclsvdgfraav
erylevvvtgydrqgkrievnasgwqarilqhecdhldgnlyvdkmvprtfrtvdnldlp
laegcpklgsh