title: Guanylate cyclase from sperm of the sea urchin, Strongylocentrotus purpuratus.
mesh_terms: D000227:Adenine Nucleotides / Q000494:pharmacology; D000818:Animals; D004355:Drug Stability; D004789:Enzyme Activation / Q000187:drug effects; D006162:Guanylate Cyclase / Q000302:isolation & purification / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008297:Male; D008722:Methods; D011092:Polyethylene Glycols; D012617:Sea Urchins / Q000201:enzymology*; D013094:Spermatozoa / Q000201:enzymology*; D014461:Ultracentrifugation
chemical_list: D000227:Adenine Nucleotides; D011092:Polyethylene Glycols; D006162:Guanylate Cyclase