2.4.1.134	galactosylxylosylprotein 3-beta-galactosyltransferase	articular cartilage	-	702117	
2.4.1.175	glucuronosyl-N-acetylgalactosaminyl-proteoglycan 4-beta-N-acetylgalactosaminyltransferase	articular cartilage	-	702117	
3.1.4.12	sphingomyelin phosphodiesterase	articular cartilage	-	690667	
3.4.21.107	peptidase Do	articular cartilage	-	712385	
3.4.22.38	cathepsin K	articular cartilage	-	700550	
3.4.24.19	procollagen C-endopeptidase	articular cartilage	-	668838	
3.4.24.82	ADAMTS-4 endopeptidase	articular cartilage	-	638953, 638954, 638961, 638965, 667358, 667360, 667796, 695608, 699350	
3.4.24.82	ADAMTS-4 endopeptidase	articular cartilage	explant culture, stimulation with retinoic acid, interleukin-1 or tumour necrosis factor induces aggrecanase activity	638953	
3.4.24.82	ADAMTS-4 endopeptidase	articular cartilage	healthy humans or humans with osteoarthritis	701193	
3.4.24.B12	ADAMTS5 endopeptidase	articular cartilage	-	677881	
3.4.24.B4	matrix metalloproteinase-13	articular cartilage	-	719319	
4.2.2.20	chondroitin-sulfate-ABC endolyase	articular cartilage	immature articular cartilage explants from the superficial and middle layers. Manipulation of glycosaminoglycan content can distinctly alter the growth phenotype of cartilage	677880