>1ycsA (A:) observed residues (from ATOM records)
vpsqktyqgsygfrlgflhsgtaksvtctyspalnkmfcqlaktcpvqlwvdstpppgtr
vramaiykqsqhmtevvrrcphhercsdsdglappqhlirvegnlrveylddrntfrhsv
vvpyeppevgsdcttihynymcnsscmggmnrrpiltiitledssgnllgrnsfevrvca
cpgrdrrteee