_Entity_natural_src.Fraction
| Description | Indicate cellular location here such as cytoplasm periplasm extracellular etc. |
| Details: | |
| Parent saveframe | natural_source |
| Data type | line |
| DB table | Entity_natural_src |
| DB column | Fraction |
| DB type | VARCHAR(127) |
| NULL allowed | yes |
| ADIT-NMR deposition system prompt | Fraction |