>3twbB (B:) observed residues (from ATOM records)
snlkitnvktiltapggidlavvkietnepglyglgcatftqrifavksaideymapflv
gkdptriediwqsgvvsgywrngpimnnalsgvdmalwdikgklagmpvydllggkcrdg
iplychtdggdevevednirarmeegyqyvrcqmgmyggagtddlkliatqlarakniqp
krsprsktpgiyfdpdayaksvprlfdhlrnklgfgiefihdvhervtpvtainlaktle
qyqlfyledpvapenidwlkmlrqqsstpismgelfvnvnewkplidnrlidyirchvst
iggitparklavyselngvrtawhgpgdispvgvcanmhldlsspnfgiqeytpmndalr
dvfpgcpeidhgyaylndkpglgidideakaakypceggipswtmartpdgtasrp