Table 1 Six subclasses of part-whole relationships
From: The Sequence Ontology: a tool for the unification of genome annotations
Part_of subtype | Whole | Properties of relationship | Example |
|---|---|---|---|
component_part_of | integral object | Functional/heteromerous/separable | A leg is a part_of a body. A regulatory_region is a part_of a gene. |
portion_part_of | mass | Not functional/homomerous/separable | A slice is a part_of a cake. A restriction_fragment is part_of a chromosome. |
stuff_part_of | object | Not functional/heteromerous/not separable | Carbon is a part_of a chromosome. |
member_part_of | collection | Not functional/heteromerous/separable | A sheep is a part_of a flock. A read is a part_of a contig. |
place_part_of | area | Not functional/homomerous/not separable | England is a part_of Britain. |
feature_part_of | activity | Functional/heteromerous/not separable | Inhaling is a part_of breathing. Translation is part_of protein synthesis. |