>4grfA (A:) observed residues (from ATOM records)
slatgsvapaitgidlkgnsvslndfkgkyvlvdfwfagcswcrketpyllktynafkdk
gftiygvstdrreedwkkaieedksywnqvllqkddvkdvlesycivgfphiilvdpegk
ivakelrgddlyntvekfvn