>5widC (C:) observed residues (from ATOM records)
mkaivvylstsgntkamaeaigngiesknvdvqvisfydvkldelkeaeaiavgsstfyy
kmllpmekfmdetlvasnpqgkigaafgsygwsgeapiliaekmremgmtvmdpvlrilh
kptdkdlqeckrlgidiaekvkhk