>1iv4A (A:) SEQRES residues
mrigygedshrleegrplylcgllipspvgalahsdgdaamhaltdallsayglgdigll
fpdtdprwrgersevflreamrlveargakllqaslvltldrpklgphrkalvdslsrlm
rlpqdrigltfktseglapshvqaravvlldg