Cloned (Comment) | Organism |
---|---|
expressed in Escherichia coli as an N-terminal GST-fusion protein that is subsequently cleaved with thrombin | Streptomyces viridochromogenes |
Crystallization (Comment) | Organism |
---|---|
hanging-drop vapour-diffusion method at 20°C. Crystals obtained belong to space group P4(1)2(1)2 and contained two subunits of AviRb per crystallographic asymmetric unit | Streptomyces viridochromogenes |
Protein Variants | Comment | Organism |
---|---|---|
E234A | 20% of wild-type activity | Streptomyces viridochromogenes |
E234Q | 70% of wild-type activity | Streptomyces viridochromogenes |
N139A | less than 5% of wild-type activity | Streptomyces viridochromogenes |
N262A | less than 5% of wild-type activity | Streptomyces viridochromogenes |
N262Q | 60% of wild-type activity | Streptomyces viridochromogenes |
R145A | less than 5% of wild-type activity | Streptomyces viridochromogenes |
T135V | 110% of wild-type activity | Streptomyces viridochromogenes |
General Stability | Organism |
---|---|
AviRb solutions with concentrations above about 0.5 mg/ml are unstable at ionic strengths below 0.3 | Streptomyces viridochromogenes |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
31602 | - |
2 * 31602, calculated from sequence | Streptomyces viridochromogenes |
60000 | - |
dynamic light scattering | Streptomyces viridochromogenes |
67000 | - |
gel filtration | Streptomyces viridochromogenes |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
S-adenosyl-L-methionine + uridine2479 in 23S rRNA | Streptomyces viridochromogenes | AviRb from Streptomyces viridochromogenes methylates the 2'-O atom of uridine2479 of the 23S ribosomal RNA in Gram-positive bacteria and thus mediates resistance to the oligosaccharide antibiotic avilamycin | S-adenosyl-L-homocysteine + 2'-O-methyluridine2479 in 23S rRNA | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Streptomyces viridochromogenes | Q9F5K6 | - |
- |
Purification (Comment) | Organism |
---|---|
- |
Streptomyces viridochromogenes |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
S-adenosyl-L-methionine + uridine2479 in 23S rRNA | - |
Streptomyces viridochromogenes | S-adenosyl-L-homocysteine + 2'-O-methyluridine2479 in 23S rRNA | - |
? | |
S-adenosyl-L-methionine + uridine2479 in 23S rRNA | AviRb from Streptomyces viridochromogenes methylates the 2'-O atom of uridine2479 of the 23S ribosomal RNA in Gram-positive bacteria and thus mediates resistance to the oligosaccharide antibiotic avilamycin | Streptomyces viridochromogenes | S-adenosyl-L-homocysteine + 2'-O-methyluridine2479 in 23S rRNA | - |
? |
Subunits | Comment | Organism |
---|---|---|
dimer | 2 * 31602, calculated from sequence | Streptomyces viridochromogenes |
Synonyms | Comment | Organism |
---|---|---|
AviRb | - |
Streptomyces viridochromogenes |