>3df4C (C:) observed residues (from ATOM records)
avvkckptspgrrhvvkvvnpelhkgkpfaplleknsksggrnnngrittrhiggghkqa
yrivdfkrnkdgipavverleydpnrsanialvlykdgerryilapkglkagdqiqsgvd
aaikpgntlpmrnipvgstvhnvemkpgkggqlarsagtyvqivardgayvtlrlrsgem
rkveadcratlgevgnaehmlrvlgkagaarwrgvrptvrgtamnpvdhphgggegrnfg
khpvtpwgvqtkgkktrsnkrtdkfivrrrs