>3fb1A (A:) observed residues (from ATOM records)
svtanienvkkvahhiqkltsivpeigiicgsglgkladgvkdkitipytkipnfpqtsh
sgnlifgtlsgrkvvvmqgrfhmyegysndtvalpirvmkllgvkilmvsnaagglnrsl
klgdfvilkdhiylpglglnnilvgpnqeafgtrfpalsnaydrdlrklavqvaeengfg
nlvhqgvyvmnggpcyetpaectmllnmgcdvvgmstipevviarhcgiqvfavslvtni
svldvesdlkpnheevlatgaqraelmqswfekiieklpkd