>1iv3C (C:) observed residues (from ATOM records)
rigygedshrleegrplylcgllipspvgalahsdgdaamhaltdallsayglgdigllf
pdtdprwrgersevflreamrlveargakllqaslvltldrpklgphrkalvdslsrlmr
lpqdrigltfktseglapshvqaravvlld