>sp|P21944|Release 21.0|01-Mar-1992 MRSSSPSQPPSIKEGTQAGQEEAIRRRRIDLQCGCSIYFHIDCTGHGFTHRGIHHCTSGG EWRVYLGDSKSPVFQDIQSRGPAIHQNEDIPCTNTVQPQPEESVASPQSLPELPSLDDFD DSFWVNLFK