| `id` | `LINE Starts with AC` | id in the form `uniprot_____::md5(id)` |
| `pid` | `LINE Starts with AC` | example `AC A0A0C5B5G6;` classid=classname=`uniprot` the vaue is the text after `AC` |
| `publicationdate` | `LINE START WITH DT containg text integrated into UniProtKB/Swiss-Prot` | clean and normalize the format of the date to be `YYYY-mm-dd` |
| `maintitle` | `LINE START WITH GN` | main title |
| `instance.url` | `pid` | prepend to the value `https://www.uniprot.org/uniprot/` |
| `instance.publicationdate` | `LINE START WITH DT containg text integrated into UniProtKB/Swiss-Prot` | clean and normalize the format of the date to be YYYY-mm-dd |
| `IsRelatedTo` | `LINE START WITH RX` | the mapping creates relationships between the BioEntity and the PubMed or DOI generating an unresolved target identifier |