>1r4fB (B:) SEQRES residues
mrgsphhhhhhgsaknvvldhdgnlddfvamvllasntekvrligalctdadcfvengfn
vtgkimclmhnnmnlplfpigksaatavnpfpkewrclaknmddmpilnipenvelwdki
kaenekyegqqlladlvmnseekvticvtgplsnvawcidkygekftskveecvimggav
dvrgnvflpstdgtaewniywdpasaktvfgcpglrrimfsldstntvpvrspyvqrfge
qtnfllsilvgtmwamcthcellrdgdgyyaadaltaayvvdqkvanvdpvpidvvvdkq
pnegatvrtdaenypltfvarnpeaeffldmllrsarac