TFIIB human
SIGMA/T8819 - ~5 units/μL, recombinant, expressed in E. coli, solution
MDL Number: MFCD01636087
Product Type: Chemical
concentration | ~5 units/μL |
form | solution |
mol wt | ~32 kDa |
Quality Level | 200 ![]() |
recombinant | expressed in E. coli |
shipped in | dry ice |
storage temp. | −70°C |
UniProt accession no. | Q00403 ![]() ![]() |
Biochem/physiol Actions: | General transcription factor for RNA Polymerase II. |
Biochem/physiol Actions: | The amino terminal region of TFIIB contains a zinc ribbon fold composed of antiparallel Β strands. Mutational studies show that this domain is required for recruitment of RNA Pol II for transcriptional initiation. |
Packaging: | 50 units in glass bottle |
Physical form: | Solution in 20 mM Tris-HCl, pH 7.4, 100 mM NaCl, 2 mM DTT, 1 mM EDTA, 0.1% Triton® X-100. |
Unit Definition: | One gel shift unit is the amount of TFIIB required to form 0.2 pmol of TFIIB/TFIID/DNA complex as detected by gel shift. |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 3 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Storage Temp. | −70°C |
UNSPSC | 12352202 |