>sp|P21944|Release 18.0|01-May-1991 MRSSSPSQPPSIKEGTQAGQEEAIRRRRIDLQCGCSIYFHIDCTGHGFTHRGIHHCTSGG EWRVYLGDSKSPVFQDIQSRGPAIHQNEDIPCTNTVQPQPEESVASPQSLPELPSLDDFD DSFWVNLFK