Files in this Data Supplement:

• Supplemental file 1 - Fig. S4 (Deposition of types II and I collagen by chondrocytes and osteoblasts during endochondral ossification)
  Zipped TIF document, 23MB.
• Supplemental file 2 - Fig. S1 (Cellular uptake and lysosomal degradation of collagen by chondrocytes and osteoblasts are retained in the absence of MT1-MMP)
  Zipped TIF document, 3MB.
• Supplemental file 3 - Fig. S2 (Pericellular collagen degradation is retained in the absence of uPARAP/Endo180)
  Zipped TIF document, 13MB.
• Supplemental file 4 - Fig. S3 (Synthesis of types II and I collagen mRNA by chondrocytes and osteoblasts during endochondral ossification)
  Zipped TIF document, 12MB.
• Supplemental file 5 - Legends to Fig. S1 to S3
  MS Word document, 29K.