>sp|P21944|Release 19.0|01-Aug-1991 MRSSSPSQPPSIKEGTQAGQEEAIRRRRIDLQCGCSIYFHIDCTGHGFTHRGIHHCTSGG EWRVYLGDSKSPVFQDIQSRGPAIHQNEDIPCTNTVQPQPEESVASPQSLPELPSLDDFD DSFWVNLFK