>1k73G (G:) observed residues (from ATOM records)
prveleipedvdaeqdhlditvegdngsvtrrlwypdidvsvdgdtvviesdednaktms
tigtfqshienmfhgvtegweygmevfyshfpmqvnvegdevvienflgekaprrttihg
dtdveidgeeltvsgpdieavgqtaadieqltrindkdvrvfqdgvyitrkp