>4coaB (B:) observed residues (from ATOM records) skwidisqplnndiatwpgdtpfsyevlwskeesgsvnvgkltmsihtgthidapfhfdn dgkkvldldiqvyvgptriidvsnlesigkkelekfhlegverlllrtsshgkanefpdi iphlradiapflsekgirligvdvpsvdplddkelaahhqlfkhsihilenvvldhvadg dyelialplalsdadgspvravirpi