>5kxcB (B:) observed residues (from ATOM records)
kettsfvftrfspdpqnlllqgdtvvtssghlqltqvkdgepvysslgralyyapihiwd
sntdtvanfvtsfsfvidapnkakaadglafflapvdtepqkpggllglfhddrhnksnh
ivavefdtfknswdpegthiginvnsivsrktiswdlendevanvvisyqastktltasl
vypssstsyilndvvdlkqilpeyvrvgftaasglskdhvethdvlawtfdsdlpdps