>1z7xX (X:) observed residues (from ATOM records)
esrakkfqrqhmdsdsspsssstycnqmmrrrnmtqgrckpvntfvheplvdvqnvcfqe
kvtckngqgncyksnssmhitdcrltngsrypncayrtspkerhiivacegspyvpvhfd
asveds