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You are here:Home » Molecular Biology » MB-Enzymes, Cytidine Deaminase (APOBEC) » APOBEC Complementation Factor, Human, Control Peptide (ACF, Apolipoprotein B mRNA-editing enzyme-catalytic polypeptide)

APOBEC Complementation Factor, Human, Control Peptide (ACF, Apolipoprotein B mRNA-editing
enzyme-catalytic polypeptide)

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Specifications

RNA editing is an important mechanism for regulating genetic plasticity through the generation of alternative protein productsfrom a single structural gene. Substitutional RNA editing employsa variety of genetic mechanisms, the biochemical basis of whichhas been elucidated following the development of in vitro assaysthat recapitulate important elements of this process. There are two typesof substitutional RNA exist in mammals, namely A-to-I and C-to-URNA editing. The best-characterized example of C-to-U RNA editing involves the nuclear transcript encoding intestinal apolipoprotein B(apo B)). Apo B RNA editing changes a CAA to a UAA stop codon,generating a truncated protein, apoB48. The functional complex includes a minimal corecomposed of apobec-1 and ACF, that functionas an adaptor protein by binding both the deaminase and the RNA substrate. The RNA binding proteins also include CUGBP2 which along with Apobec-1 binds to the consensus binding sequence UUUN (A/U) U, present in c-myc, VEGF and Cyclooxygenase-2 (COX2).
Catalog #A2298-88A
ACF (apobec-1 complementation factor) exists in three isoforms; the isoform 3 is a 594aa protein (65kD), when added with apobec-1 it reconstitute the editing of an apo B mRNA template. It is found to co-localize with apobec-1 and CUGBP2. It was demonstrated that CUGBP2 co-fractionates with ACF in bovine liver S-100 extracts and that its distribution in the most enriched fractions closely matches with ACF, thus leading to the assembly to apo B holoenzyme.
Source17-aa peptide from Human ACF. Peptide is 100% conserved in rat, mouse and human ACF.
Location~C-terminus
ApplicationsELISA: Can be used to coat ELISA plates at 1ug/ml and detected with antibodies.
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile buffer or ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
SourceHuman synthetic peptide
PurityPurified
Concentration~1mg/ml
FormSupplied as a lyophilized powder from PBS, 0.05% sodium azide.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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