HMM Summary Page: TIGR02040
| Accession | TIGR02040 |
| Name | PpsR-CrtJ |
| Function | transcriptional regulator PpsR |
| Gene Symbol | ppsR |
| Trusted Cutoff | 275.40 |
| Domain Trusted Cutoff | 275.40 |
| Noise Cutoff | 149.05 |
| Domain Noise Cutoff | 149.05 |
| Isology Type | equivalog |
| HMM Length | 442 |
| Mainrole Category | Energy metabolism |
| Subrole Category | Photosynthesis |
| Gene Ontology Term | GO:0010109: regulation of photosynthesis biological_process |
| GO:0016564: transcription repressor activity molecular_function | |
| Author | Selengut J |
| Entry Date | Oct 28 2003 11:49AM |
| Last Modified | Feb 14 2011 3:27PM |
| Comment | This HMM represents the transcriptional regulator PpsR which is strictly associated with photosynthetic proteobacteria and found in photosynthetic operons. PpsR has been reported to be a repressor [1]. These proteins contain a Helix-Turn_Helix motif of the "fis" type (PF02954). |
| References | RN [1] RM PMID: 10735869 RT Domain structure, oligomeric state, and mutational analysis of PpsR, the Rhodobacter sphaeroides repressor of photosystem gene expression. RA Gomelsky M, Horne IM, Lee HJ, Pemberton JM, McEwan AG, Kaplan S. RL J Bacteriol. 2000 Apr;182(8):2253-61. |