title: Evidence for the presence of a complex of collagenase with alpha2-macroglobulin in human rheumatoid synovial fluid: a possible regulatory mechanism of collagenase activity in vivo.
mesh_terms: D000510:Alpha-Globulins; D001172:Arthritis, Rheumatoid / Q000097:blood / Q000201:enzymology*; D002846:Chromatography, Affinity; D004789:Enzyme Activation; D006801:Humans; D008259:Macroglobulins; D003012:Microbial Collagenase / Q000037:antagonists & inhibitors; D013582:Synovial Fluid / Q000201:enzymology*
chemical_list: D000510:Alpha-Globulins; D008259:Macroglobulins; D003012:Microbial Collagenase