Proteins synthesized by organisms belonging to the phylum ARTHROPODA. Included in this heading are proteins from the subdivisions ARACHNIDA; CRUSTACEA; and HORSESHOE CRABS. Note that a separate heading for INSECT PROTEINS is listed under this heading.

Synonyms: Spider Proteins, 0, Arthropod Proteins, Crustacean Proteins, Arachnid Proteins, Horseshoe Crab Proteins, Tick Proteins