EOG8CC6FQ GO:0004190 11/11 aspartic-type endopeptidase activity molecular_function "Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which a water molecule bound by the side chains of aspartic residues at the active center acts as a nucleophile." [ISBN:0198506732] EOG8CC6FQ GO:0042600 1/11 chorion cellular_component "A protective, noncellular membrane that surrounds the eggs of various animals including insects and fish." [GOC:jl, ISBN:0721662544] EOG8CC6FQ GO:0007306 1/11 eggshell chorion assembly biological_process "Construction of the chorion portion of the eggshell, which comprises the channels for gas exchange in an insect eggshell." [GOC:dph, GOC:mtg_sensu, GOC:tb, ISBN:0879694238]