Product Details

Purity

Greater than 90% as determined by SDS-PAGE.

Target Names

MAF1

Uniprot No.

Q9H063

Research Area

Transcription

Alternative Names

Homolog of yeast MAF1; maf1; MAF1 homolog (S. cerevisiae); MAF1 homolog; MAF1_HUMAN; MGC20332; MGC31779; MGC39758; Repressor of RNA polymerase III transcription MAF1 homolog

Species

Homo sapiens (Human)

Source

E.coli

Expression Region

1-256aa

Target Protein Sequence

MKLLENSSFEAINSQLTVETGDAHIIGRIESYSCKMAGDDKHMFKQFCQEGQPHVLEALSPPQTSGLSPSRLSKSQGGEEEGPLSDKCSRKTLFYLIATLNESFRPDYDFSTARSHEFSREPSLSWVVNAVNCSLFSAVREDFKDLKPQLWNAVDEEICLAECDIYSYNPDLDSDPFGEDGSLWSFNYFFYNKRLKRIVFFSCRSISGSTYTPSEAGNELDMELGEEEVEEESRSGGSGAEETSTMEEDRVPVICI
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.

Mol. Weight

44.8kDa

Protein Length

Full Length

Tag Info

N-terminal 6xHis-SUMO-tagged

Form

Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.

Buffer

If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.

Reconstitution

We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.

Troubleshooting and FAQs

Protein FAQs

Storage Condition

Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.

Shelf Life

The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.

Lead Time

Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

Notes

Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Datasheet & COA

Please contact us to get it.

Target Background

Function

Plays a role in the repression of RNA polymerase III-mediated transcription in response to changing nutritional, environmental and cellular stress conditions to balance the production of highly abundant tRNAs, 5S rRNA, and other small non-coding RNAs with cell growth and maintenance. Plays also a key role in cell fate determination by promoting mesorderm induction and adipocyte differentiation. Mechanistically, associates with the RNA polymerase III clamp and thereby impairs its recruitment to the complex made of the promoter DNA, TBP and the initiation factor TFIIIB. When nutrients are available and mTOR kinase is active, MAF1 is hyperphosphorylated and RNA polymerase III is engaged in transcription. Stress-induced MAF1 dephosphorylation results in nuclear localization, increased targeting of gene-bound RNA polymerase III and a decrease in the transcriptional readout. Additionally, may also regulate RNA polymerase I and RNA polymerase II-dependent transcription through its ability to regulate expression of the central initiation factor TBP.

Gene References into Functions

can act as a transcriptional activator for PTEN, which is important for MAF1's tumor-suppressor function PMID: 26910647
Repression of Pol III recruitment and transcription are tightly linked to MAF1, which selectively localizes at Pol III loci, even under serum-replete conditions, and increasingly targets transcribing Pol III in response to serum starvation PMID: 26941251
These results reveal a novel mechanism by which MAF1 and Pol III regulate the activity of the CDKN1A-encoding gene transcribed by Pol II. PMID: 26067234
novel role for Maf1 in suppressing both lipid biogenesis and tumor formation; Maf1 elicits these biological responses through its ability to repress genes that that synthesize lipids and regulate biosynthetic capacity. PMID: 25502566
Studies on Maf1 regulation up until now have focused on posttranslational mechanisms, notably phosphorylation, which controls Maf1 localization (in yeast) and its interaction with the polymerase (in yeast and humans) PMID: 25568945
SUMOylation has a role in controlling Maf1 and RNA pol III-mediated transcription PMID: 23673667
Recovery of RNA polymerase III transcription from the glycerol-repressed state: revisiting the role of protein kinase CK2 in Maf1 phosphoregulation. PMID: 22810236
The TOR pathway controls another aspect of Pol III transcription that is closely linked to MAF1, as it depends on the presence of MAF1. PMID: 21428925
an important role of CK2-mediated Maf1 phosphorylation in triggering Pol III activation. PMID: 21383183
Data relate Pol III transcription inhibition to Maf1 structural changes. PMID: 20817737
Maf1, a repressor that binds and inhibits pol III, is phosphorylated in a mTOR-dependent manner both in vitro and in vivo at serine 75, a site that contributes to its function as a transcriptional inhibitor. PMID: 20543138
mTOR inhibition led to an increase in the occupancy of Maf1 on a set of Pol III-dependent genes, with concomitant reduction in the binding of Pol III and Brf1 PMID: 20233713
Maf1 can be co-immunoprecipitated with pol III and associates in vitro with two pol III subunits, the largest subunit RPC1 and the alpha-like subunit RPAC2. Maf1 represses pol III transcription in vitro and in vivo. PMID: 17205138
The human Maf1 protein negatively regulates transcription by all three nuclear Pols. Changes in Maf1 expression affect Pol I- and Pol III-dependent transcription in human glioblastoma lines. PMID: 17499043
represses RNA polymerase III transcription via TFIIIB, specifically through the TFIIB family members Brf1 and Brf2 PMID: 17505538
Functional studies of the yeast counterpart. PMID: 11438659

Hide All

Subcellular Location

Nucleus. Cytoplasm.

Protein Families

MAF1 family

Database Links

HGNC: 24966

OMIM: 610210

KEGG: hsa:84232

STRING: 9606.ENSP00000318604

UniGene: Hs.19673

Place an order now

I. Product details

Product name *

Code *

Size *

Quantity *

Message

II. Contact details

Name *

Email address *

Company/Organization

Phone

III. Ship To

Address *

City *

State/Province *

Zip/Post code *

Country *

Attn Name *

Phone# *

IV. Bill To Same as Shipping Address

Address *

City *

State/Province *

Zip/Post code *

Country *

Attn Name *

Phone# *

CAPTCHA verification *

Code	CSB-EP872421HU
MSDS	MSDS
Size	$224
	Order now
Image	(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
Have Questions?	Leave a Message or Start an on-line Chat

Recombinant Human Repressor of RNA polymerase III transcription MAF1 homolog (MAF1)

Product Details

Related Products

Customer Reviews and Q&A

Target Background

×CloseMessage