>2ac0A (A:) observed residues (from ATOM records)
sssvpsqktyqgsygfrlgflhsgtaksvtctyspalnkmfcqlaktcpvqlwvdstppp
gtrvramaiykqsqhmtevvrrcphhercsdsdglappqhlirvegnlrveylddrntfr
hsvvvpyeppevgsdcttihynymcnsscmggmnrrpiltiitledssgnllgrnsfevr
vcacpgrdrrteeenlrkk