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Safety Information

SRP2023

Sigma-Aldrich

PC4, F77P mutant human

recombinant, expressed in E. coli, ≥80% (SDS-PAGE)

Synonym(s):

MGC102747, P15, PC4, p14

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About This Item

UNSPSC Code:
12352202
NACRES:
NA.26

biological source

human

recombinant

expressed in E. coli

Assay

≥80% (SDS-PAGE)

form

frozen liquid

mol wt

~14.4 kDa

packaging

pkg of 10 μg

concentration

1000 μg/mL

color

clear colorless

NCBI accession no.

NM_006713

UniProt accession no.

P53999

shipped in

dry ice

storage temp.

−70°C

Gene Information

human ... SUB1(10923)

Biochem/physiol Actions

Human PC4 is a non-TAF transcription coactivator that mediates activator-dependent transcription by RNA polymerase II in vitro through most tested activators. The function of PC4 is through interactions with transcriptional activators and the basal transcription machinery. It is negatively regulated by casein kinase II phosphorylation both in vitro and in vivo. PC4 strongly binds single stranded DNA and the region essential for the single stranded DNA binding activity was mapped around residue 77. A single amino acid change at position 77 (F to P) abolishes both ds- and ss-DNA binding activity.

Physical form

Clear and colorless frozen liquid solution

Preparation Note

Use a manual defrost freezer and avoid repeated freeze-thaw cycles. While working, please keep sample on ice.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

SRP2023-10UG:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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S Y Wu et al.
The Journal of biological chemistry, 273(20), 12492-12498 (1998-06-20)
A human RNA polymerase II (pol II) complex was isolated from a HeLa-derived cell line that conditionally expresses an epitope-tagged RPB9 subunit of human pol II. The isolated FLAG-tagged pol II complex (f:pol II) contains a subset of general transcription
H Ge et al.
Cell, 78(3), 513-523 (1994-08-12)
Activator-dependent transcription in mammalian cells requires upstream stimulatory activity (USA)-derived cofactors in addition to those present in TFIID. A novel positive cofactor (PC4) purified from the human USA fraction effected a marked enhancement (up to 85-fold) of GAL4-AH-dependent transcription in
M Kretzschmar et al.
Cell, 78(3), 525-534 (1994-08-12)
Our investigations of mammalian class II gene transcription resulted in identification, purification, and cloning of the corresponding cDNA of a cellular factor (p15) that mediates the effects of several distinct activators on transcription in vitro. Functional deletion analyses revealed a

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