3.4.23.1	?	x * 30000, pepsin isoform P1, SDS-PAGE	717514	
3.4.23.1	?	x * 32000, active enzyme, SDS-PAGE	717613	
3.4.23.1	?	x * 34500, calculated from amino acid sequence	754589	
3.4.23.1	?	x * 34600, calculated from amino acid sequence	753632	
3.4.23.1	?	x * 35000, isoform P-II, SDS-PAGE	753464	
3.4.23.1	?	x * 35000, pepsinogen isoform PG1, SDS-PAGE	717514	
3.4.23.1	?	x * 36000, pepsinogen, SDS-PAGE	717613	
3.4.23.1	?	x * 37000 + x * 21000 + x * 15000, SDS-PAGE	754797	
3.4.23.1	?	x * 37000, isoform P-Ia, SDS-PAGE	753464	
3.4.23.1	?	x * 37000, isoform P-Ib, SDS-PAGE	753464