| bacterial-type flagellum | GO:0009288 | APPENDAGE | APPENDAGE | PROPOSED |
| type IV pilus | GO:0044096 | APPENDAGE | APPENDAGE | PROPOSED |
| cell outer membrane | GO:0009279 | ENVELOPE | MEMBRANE | PROPOSED |
| Gram-negative-bacterium-type cell wall | GO:0009276 | ENVELOPE | ENVELOPE_LAYER | PROPOSED |
| peptidoglycan-based cell wall | GO:0009274 | ENVELOPE | ENVELOPE_LAYER | PROPOSED |
| S-layer | GO:0030115 | ENVELOPE | ENVELOPE_LAYER | PROPOSED |
| gas vesicle | GO:0031411 | INCLUSION | PROTEIN_SHELLED_ORGANELLE | PROPOSED |
| carboxysome | GO:0031470 | MICROCOMPARTMENT | PROTEIN_SHELLED_ORGANELLE | PROPOSED |
| nucleoid | GO:0009295 | NUCLEOID | SUBCELLULAR_REGION | PROPOSED |
| ribosome | GO:0005840 | RIBONUCLEOPROTEIN | RIBONUCLEOPROTEIN_COMPLEX | PROPOSED |