>3iexA (A:) observed residues (from ATOM records)
svtanienvkkvahhiqkltsivpeigiicgsglggvkdkitipytkipnfpqtssgnli
fgtlsgrkvvvmqgrfhmyegysndtvalpirvmkllgvkilmvsnaagglnrslklgdf
vilkdhiylpglglnnilvgpnqeafgtrfpalsnaydrdlrklavqvaeengfgnlvhq
gvyvmnggpcyetpaectmllnmgcdvvgmstipevviarhcgiqvfavslvtnisvldv
esdlkpnheevlatgaqraelmqswfekiieklpkd