| Standard Name | Top1p 1 |
|---|---|
| Systematic Name | Yol006cp |
| Alias | Mak1p , Mak17p |
| ORF Classification | Verified |
| Description | Topoisomerase I, nuclear enzyme that relieves torsional strain in DNA by cleaving and re-sealing the phosphodiester backbone; relaxes both positively and negatively supercoiled DNA; functions in replication, transcription, and recombination (1, 2, 3) |
| Name Description | TOPoisomerase 1 |
| Experimental Data | |
|---|---|
| Molecules/cell | 2970 4 |
| Click on image for expanded interactive view |
|---|
| Post-translational Modifications | PhosphoGRID | PhosphoPep Database |
|---|---|
| Domains/motifs | See the graphical view and list of proteins that share domains/motifs in common with Top1p (InterPro) |
| Physical Interactions | There are 67 total physical interactions (BioGRID) |
| Homologs | PDB Homologs | BLASTP | BLASTP v. fungi | Fungal Alignment | Synteny Viewer |
| External Sequence Databases |
EBI: UPI000005300B | P04786 MIPS: YOL006C NCBI: 135993 | 1419771 | 173004 | 253723032 | 6324568 | NP_014637.1 | NM_001183260.1 GenBank/EMBL/DDBJ: DAA10777.1 | K03077 | Z74748 |
| External Classifications | EC: 5.99.1.2 [DNA topoisomerase] |
external links for Top1p
| Homologs | Interaction Resources | Protein databases/Other | Localization Resources |
|---|---|---|---|
| BLASTP (NCBI) | BioGRID | SCOP Superfamily | Organelle DB |
| Ashbya (AGD) | BOND | GPMdb (Mass Spec.) | YPL+ |
| Aspergillus (AspGD) | BioPIXIE | MIPS | YeastGFP |
| Candida (CGD) | CYC2008 (complexes) | Pfam domains | YeastRC Public Image Repository |
| Candida (CandidaDB) | Complexome | YeastRC Structure Prediction (Seattle) | |
| YGOB | DIP | ||
| YOGY | GeneMANIA |
References cited on this page View Complete Literature Guide for Top1p
| 1) | Thrash C, et al. (1985) Cloning, characterization, and sequence of the yeast DNA topoisomerase I gene. Proc Natl Acad Sci U S A 82(13):4374-8 |
| 2) | Roca J (1995) The mechanisms of DNA topoisomerases. Trends Biochem Sci 20(4):156-60 |
| 3) | Woo MH, et al. (2003) Locking the DNA topoisomerase I protein clamp inhibits DNA rotation and induces cell lethality. Proc Natl Acad Sci U S A 100(24):13767-72 |
| 4) | Ghaemmaghami S, et al. (2003) Global analysis of protein expression in yeast. Nature 425(6959):737-41 |





