>4ca6B (B:) observed residues (from ATOM records)
ldpglqpgqfsadeagaqlfaqsyqssaeqvlfqsvaaswahdtnitaenarrqeeaall
sqefaeawgqkakelyepiwqqftdpqlrriigavrtlgsanlplakrqqynallsqmsr
iystakvclptatcwsldpdltnilassrsyamllfawegwhnaagiplkplyedftals
neaykqdgftdtgaywrswynsptfeddlehlyqqleplylnlhafvrralhrrygdryi
nlrgpipahllgdmwaqsweniydmvvpfpdkpnldvtstmlqqgwqathmfrvaeefft
slelspmppefwegsmlekpadgrevvchasawdfynrkdfrikqctrvtmdqlstvhhe
mghiqyylqykdlpvslrrganpgfheaigdvlalsvstpehlhkiglldrvtndtesdi
nyllkmalekiaflpfgylvdqwrwgvfsgrtppsrynfdwwylrtkyqgicppvtrnet
hfdagakfhvpnvtpyiryfvsfvlqfqfhealckeagyegplhqcdiyrstkagaklrk
vlragssrpwqevlkdmvgldaldaqpllkyfqlvtqwlqeqnqqngevlgwpeyqwhpp
lpdnypeg