SOURCE. Calf Articular Joints
Chromatographically purified in 7 M Urea on DEAE-cellulose by our modified procedure of Antonopoulos, et al. (55).
Analytical chromatography on Sepharose CL-2B indicates the elution pattern as described by Antonopoulos, et al. (55).
Approximately 4-5% nitrogen by Kjeldahl and 20-23% glucuronolactone by uronic acid assay (56).