| Chain | GOid | namespace | contents |
| a | 0005198 | molecular_function | structural molecule activity |
| b | 0005198 | molecular_function | structural molecule activity |
| c | 0005198 | molecular_function | structural molecule activity |
| d | 0005198 | molecular_function | structural molecule activity |
| e | 0005198 | molecular_function | structural molecule activity |
| f | 0005198 | molecular_function | structural molecule activity |
| g | 0005198 | molecular_function | structural molecule activity |
| h | 0005198 | molecular_function | structural molecule activity |
| i | 0005198 | molecular_function | structural molecule activity |
| j | 0005198 | molecular_function | structural molecule activity |
| k | 0005198 | molecular_function | structural molecule activity |
| l | 0005198 | molecular_function | structural molecule activity |
| m | 0005198 | molecular_function | structural molecule activity |
| n | 0005198 | molecular_function | structural molecule activity |
| o | 0005198 | molecular_function | structural molecule activity |
| p | 0005198 | molecular_function | structural molecule activity |
| q | 0005198 | molecular_function | structural molecule activity |
| r | 0005198 | molecular_function | structural molecule activity |
| s | 0005198 | molecular_function | structural molecule activity |
| t | 0005198 | molecular_function | structural molecule activity |
| u | 0005198 | molecular_function | structural molecule activity |
| v | 0005198 | molecular_function | structural molecule activity |
| w | 0005198 | molecular_function | structural molecule activity |
| x | 0005198 | molecular_function | structural molecule activity |