| Chain | GOid | namespace | contents |
| G | 0019031 | cellular_component | viral envelope |
| G | 0019064 | biological_process | fusion of virus membrane with host plasma membrane |
| G | 0020002 | cellular_component | host cell plasma membrane |
| G | 0039663 | biological_process | membrane fusion involved in viral entry into host cell |
| G | 0044423 | cellular_component | virion component |
| G | 0046718 | biological_process | symbiont entry into host cell |
| G | 0055036 | cellular_component | virion membrane |
| H | 0019031 | cellular_component | viral envelope |
| H | 0019064 | biological_process | fusion of virus membrane with host plasma membrane |
| H | 0020002 | cellular_component | host cell plasma membrane |
| H | 0039663 | biological_process | membrane fusion involved in viral entry into host cell |
| H | 0044423 | cellular_component | virion component |
| H | 0046718 | biological_process | symbiont entry into host cell |
| H | 0055036 | cellular_component | virion membrane |
| I | 0019031 | cellular_component | viral envelope |
| I | 0019064 | biological_process | fusion of virus membrane with host plasma membrane |
| I | 0020002 | cellular_component | host cell plasma membrane |
| I | 0039663 | biological_process | membrane fusion involved in viral entry into host cell |
| I | 0044423 | cellular_component | virion component |
| I | 0046718 | biological_process | symbiont entry into host cell |
| I | 0055036 | cellular_component | virion membrane |