>1yrbB (B:) SEQRES residues
mrgshhhhhhgmasmivvfvgtagsgkttltgefgrylednykvayvnldtgvkelpyep
sidvrefvtveeimregygpngaivesydrlmekfneylnkilrlekendyvlidtpgqm
etflfhefgvrlmenlpyplvvyisdpeilkkpndycfvrffallidlrlgattipalnk
vdllseeekerhrkyfedidyltarlkldpsmqglmaykmcsmmtevlppvrvlylsakt
regfedletlayehyctcgdlt