>2gsiB (B:) observed residues (from ATOM records)
vqlqqsgaelvrsgasvklsctasgfnikdyymywvklrpeqglewigwidpengdteyv
ptfqgkvtmtadtssntaylqlssltsedtavyycnagvitmamdywgqgttvttssakt
tppsvyplapsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdlytlsssvtv
psstwpsqtvtcnvahpasstkvdkkivpr