| Chain | GOid | namespace | contents |
| A | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| A | 0005518 | molecular_function | collagen binding |
| A | 0005581 | cellular_component | collagen trimer |
| A | 0005615 | cellular_component | extracellular space |
| A | 0005788 | cellular_component | endoplasmic reticulum lumen |
| B | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| B | 0005518 | molecular_function | collagen binding |
| B | 0005581 | cellular_component | collagen trimer |
| B | 0005615 | cellular_component | extracellular space |
| B | 0005788 | cellular_component | endoplasmic reticulum lumen |
| C | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| C | 0005518 | molecular_function | collagen binding |
| C | 0005581 | cellular_component | collagen trimer |
| C | 0005615 | cellular_component | extracellular space |
| C | 0005788 | cellular_component | endoplasmic reticulum lumen |
| D | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| D | 0005518 | molecular_function | collagen binding |
| D | 0005581 | cellular_component | collagen trimer |
| D | 0005615 | cellular_component | extracellular space |
| D | 0005788 | cellular_component | endoplasmic reticulum lumen |