| Feature | DOMAIN |
| Definition | Extent of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold |
| Optional Qualifiers | /NOTE="free text" |
| Comment | The domain type is given in the NOTE qualifier. Where several copies of a domain are present, the domains are numbered. Examples of values for the "NOTE" qualifier: 'Ras-GAP' and 'Cadherin 1' |