RB Active human
SIGMA/SRP0256 - recombinant, expressed in E. coli, ≥80% (SDS-PAGE)
Synonym: OSRC; RB1; Retinoblastoma 1; Retinoblastoma-
Product Type: Chemical
SDS-PAGE RB : Cat. No. SRP0256: Coomassie blue-stained SDS-PAGE analysis of RB
| assay | ≥80% (SDS-PAGE) |
| biological source | human |
| concentration | >0.02 mg/mL |
| form | aqueous solution |
| mol wt | 43.5 kDa |
| NCBI accession no. | NM_000321   |
| packaging | pkg of 200 μg |
| recombinant | expressed in E. coli |
| shipped in | dry ice |
| storage condition | avoid repeated freeze/thaw cycles |
| storage temp. | −70°C |
| UniProt accession no. | P06400 |
| Application: | Retinoblastoma-associated protein (RB1) has been used in cell activity assay. It is also used as a kinase substrate for the kinase assay and in Western blotting. |
| Biochem/physiol Actions: | Retinoblastoma-associated protein (RB1) modulates the cell cycle. It acts as a repressor of transcription mediated by E2 factor (E2F) and influences transcriptional silencing. RB1 modulates mitochondrial activities and has a role in the organisation of heterochromatin. Mutations in the gene encoding this protein have been associated with childhood retinoblastoma. |
| General description: | The gene encoding Retinoblastoma-associated protein (RB1) is a tumor suppressor gene localized on human chromosome 13q14.2. Human recombinant RB protein (773-end) with N-terminal GST tag (GenBank Accession No. NM_000321), expressed in a E. coli expression system. |
| Physical form: | Formulated in 25 mM Tris-HCl, pH 8.0, 100 mM NaCl, 0.05% Tween-20, 30% glycerol and 3 mM DTT. |
| Preparation Note: | Thaw on ice. Upon first thaw, briefly spin tube containing enzyme to recover full content of the tube. Aliquot enzyme into single use aliquots. Store remaining undiluted enzyme in aliquots at -70°C. Note: Enzyme is very sensitive to freeze/thaw cycles. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥80% (SDS-PAGE) |
| Storage Temp. | −70°C |
| UNSPSC | 12352200 |