| Class a: All alpha proteins [46456] (285 folds) |
| Fold a.4: DNA/RNA-binding 3-helical bundle [46688] (14 superfamilies) core: 3-helices; bundle, closed or partly opened, right-handed twist; up-and down |
Superfamily a.4.1: Homeodomain-like [46689] (20 families) ![]() consists only of helices |
| Family a.4.1.9: Tetracyclin repressor-like, N-terminal domain [46764] (35 proteins) |
| A-factor receptor homolog CprB [109653] (1 species) gamma-butyrolactone receptor |
| Species Streptomyces coelicolor [TaxId:1902] [109654] (2 PDB entries) Uniprot O66122 |
| Ethr repressor [109651] (1 species) |
| Species Mycobacterium tuberculosis [TaxId:1773] [109652] (10 PDB entries) Uniprot P96222 22-215 |
| Hemolysin II regulatory protein, HlyIIR [140197] (1 species) |
| Species Bacillus cereus [TaxId:1396] [140198] (1 PDB entry) Uniprot Q7X506 4-76 |
| Hypothetical transcriptional regulator YcdC [88973] (1 species) |
| Species Escherichia coli [TaxId:562] [88974] (2 PDB entries) |
| Hypothetical transcriptional regulator YfiR [101005] (1 species) |
| Species Bacillus subtilis [TaxId:1423] [101006] (1 PDB entry) |
| Hypothetical transcriptional regulator YsiA [101003] (1 species) |
| Species Bacillus subtilis [TaxId:1423] [101004] (1 PDB entry) |
| Multidrug binding protein QacR [68964] (1 species) |
| Species Staphylococcus aureus [TaxId:1280] [68965] (24 PDB entries) Uniprot P23217 |
| Probable transcriptional regulator PA1836 [140201] (1 species) |
| Species Pseudomonas aeruginosa [TaxId:287] [140202] (1 PDB entry) Uniprot Q9I2Q9 6-75 |
| Probable transcriptional regulator PA3133 [140187] (1 species) |
| Species Pseudomonas aeruginosa [TaxId:287] [140188] (1 PDB entry) Uniprot Q9HZ91 1-76 |
| Probable transcriptional regulator RHA1_ro04631 [140193] (1 species) |
| Species Rhodococcus sp. RHA1 [TaxId:101510] [140194] (1 PDB entry) Uniprot Q0S7R9 4-80 |
| Putative regulator SCO4008 [140203] (1 species) |
| Species Streptomyces coelicolor [TaxId:1902] [140204] (1 PDB entry) Uniprot Q9ADP7 7-74 |
| Putative regulatory protein Sco4313 [158254] (1 species) |
| Species Streptomyces coelicolor [TaxId:1902] [158255] (1 PDB entry) Uniprot Q9KXS8 8-86 |
| Putative transcriptional regulator [140177] (1 species) |
| Species Rhodococcus sp. RHA1 [TaxId:101510] [140178] (1 PDB entry) |
| Putative transcriptional regulator Atu0279 [140211] (1 species) |
| Species Agrobacterium tumefaciens [TaxId:358] [140212] (1 PDB entry) Uniprot Q8UIL4 3-76 |
| Putative transcriptional regulator Rha04620 [140195] (1 species) |
| Species Rhodococcus sp. RHA1 [TaxId:101510] [140196] (1 PDB entry) |
| Putative transcriptional regulator RHA1_ro03468 [158252] (1 species) |
| Species Rhodococcus sp. RHA1 [TaxId:101510] [158253] (1 PDB entry) Uniprot Q0SB15 18-87 |
| Putative transcriptional regulator RHA1_ro09068 [140185] (1 species) |
| Species Rhodococcus sp. [TaxId:1831] [140186] (1 PDB entry) Uniprot Q0RX74 10-78 |
| Putative transcriptional regulator SCO0857 [140207] (1 species) |
| Species Streptomyces coelicolor [TaxId:1902] [140208] (1 PDB entry) Uniprot Q9RCV4 35-99 |
| Putative transcriptional regulator SCO4850 [158258] (1 species) |
| Species Streptomyces coelicolor [TaxId:1902] [158259] (1 PDB entry) Uniprot Q9KZ96 15-89 |
| Putative transcriptional regulator SCO4940 [158250] (1 species) |
| Species Streptomyces coelicolor [TaxId:1902] [158251] (1 PDB entry) Uniprot Q8CJS4 8-82 |
| Putative transcriptional regulator SCO5951 [140179] (1 species) |
| Species Streptomyces coelicolor [TaxId:1902] [140180] (1 PDB entry) Uniprot O54180 13-80 |
| Putative transcriptional regulator SCO7704 [140199] (1 species) |
| Species Streptomyces coelicolor [TaxId:1902] [140200] (1 PDB entry) Uniprot Q93JG8 16-83 |
| Putative transcriptional regulator YxaF [109657] (1 species) |
| Species Bacillus subtilis [TaxId:1423] [109658] (1 PDB entry) Uniprot P42105 |
| Putative transcriptional repressor YbiH [109655] (1 species) |
| Species Salmonella typhimurium [TaxId:90371] [109656] (1 PDB entry) Uniprot Q8ZQN9 |
| Tetracyclin repressor (Tet-repressor, TetR) [46765] (1 species) |
| Species Escherichia coli [TaxId:562] [46766] (26 PDB entries) |
| Transcriptional activator DhaS [158248] (1 species) |
| Species Lactococcus lactis [TaxId:1358] [158249] (1 PDB entry) Uniprot Q9CIV9 8-78 |
| Transcriptional regulator BC3163 [140175] (1 species) |
| Species Bacillus cereus [TaxId:1396] [140176] (1 PDB entry) Uniprot Q81BJ4 9-77 |
| Transcriptional regulator BC5000 [140191] (1 species) |
| Species Bacillus cereus [TaxId:1396] [140192] (1 PDB entry) Uniprot Q815X4 6-77 |
| Transcriptional regulator Cgl1640/Cg1846 [158256] (1 species) |
| Species Corynebacterium glutamicum [TaxId:1718] [158257] (1 PDB entry) Uniprot Q8NQ14 1-78 |
| Transcriptional regulator Cgl2612 [140181] (1 species) |
| Species Corynebacterium glutamicum [TaxId:1718] [140182] (3 PDB entries) Uniprot Q8NMG3 1-174 |
| Transcriptional regulator EF0787 [140183] (1 species) |
| Species Enterococcus faecalis [TaxId:1351] [140184] (1 PDB entry) Uniprot Q837P6 4-71 |
| Transcriptional regulator PsrA [140205] (1 species) |
| Species Pseudomonas aeruginosa [TaxId:287] [140206] (1 PDB entry) Uniprot Q9HZJ9 2-80 |
| Transcriptional regulator RHA1_ro04179 [140189] (1 species) |
| Species Rhodococcus sp. [TaxId:1831] [140190] (1 PDB entry) Uniprot Q0S914 9-77 |
| Transcriptional regulator TM1030 [140209] (1 species) |
| Species Thermotoga maritima [TaxId:2336] [140210] (8 PDB entries) Uniprot Q9X0C0 1-75! Uniprot Q9X0C0 2-75 |
| automated matches [230914] (1 species) not a true protein |
| Species Bacillus cereus [TaxId:1396] [230915] (2 PDB entries) |
Timeline for Family a.4.1.9: Tetracyclin repressor-like, N-terminal domain: