Table 2.
Relation types in Biozon.
| Relation type | Referring document | Referred document |
| manifests | protein | structure |
| describes | descriptor | any object |
| encodes.nucleic | nucleic acid | protein |
| encodes.unigene | unigene cluster | protein |
| similarity | protein | protein |
| contains.unigene | unigene cluster | nucleic acid |
| contains.interaction | interaction | protein, DNA |
| contains.pathway | pathway | enzyme family |
| contains.enzyme-family | enzyme family | protein |
| contains.domain-family | domain family | domain |
| comprises.domains | domain | protein |
| expresses.unigene | unigene cluster | tissue |
| hierarchy.go | go term | go term |
| describes.go | go term | protein |