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<b>Figure 1.</b> Conjugation pathways for ubiquitin and
ubiquitin-like modifiers (UBLs). Most modifiers mature by
proteolytic processing from inactive precursors (a; amino acid).
Arrowheads point to the cleavage sites. Ubiquitin is expressed
either as polyubiquitin or as a fusion with ribosomal proteins.
Conjugation requires activating (E1) and conjugating (E2) enzymes
that form thiolesters (S) with the modifiers. Modification of cullins
by RUB involves SCF(SKP1/cullin-1/F-box protein) /CBC(cullin-
2/elongin B/elonginC) -like E3 enzymes that are also involved in
ubiquitination. In contrast to ubiquitin, the UBLs do not seem to
form multi-UBL chains. UCRP(ISG15) resembles two ubiquitin
moieties linked head-to-tail. Whether HUB1 functions as a modifier
is currently unclear. APG12 and URM1 are distinct from the other
modifiers because they are unrelated in sequence to ubiquitin.
Data contributed by S.Jentsch, see references above.

 

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R1512  Cullin-4A / CUL-4A (N-term) antibody

see related secondary antibodies
0.1 ml / US$ 465
NOVUS BIOLOGICALS
PO Box 802 Littleton, CO 80160, USA
E-Mail: novus@novus-biologicals.com
Homepage: http://www.novus-biologicals.com

Quick Overview

Rabbit anti Cullin-4A / CUL-4A -

Synonyms

Cullin 4A, Cullin4A, CUL4A, CUL 4A, ,

Product review
Please read our product review about Cullin-4A / CUL-4A: Antibodies to Cullin Protein Family.

Product Description

Rabbit anti Cullin-4A / CUL-4A -, Presentation: Serum. Product is tested for Enzyme Immunoassay ( E ), Immunoprecipitation ( IP ), Western blot / Immunoblot ( WB )

Properties

ApplicationsEnzyme Immunoassay ( E ), Immunoprecipitation ( IP ), Western blot / Immunoblot ( WB )
ReactivityHuman ( Hu ), Mouse ( Ms )
PresentationSerum
HostRabbit
Catalog NumberR1512
Swiss Prot. No.Q13619
Quantity0.1 ml
PriceUS$ 465
DeliveryWorldwide
ManufacturerAcris Antibodies GmbH
Datasheetview PDF-Download
R1512.pdf

Datasheet Extract

Polyclonal Antibody to Human Cul4A //(N-terminal specific)
Alternate namesCullin 4A
Concentration85.0 mg/ml (by Refractometry)
BackgroundCullins assemble a potentially large number of ubiquitin ligases by binding to the RING protein ROC1 to catalyse polyubiquitination, as well as binding to various specificity factors to recruit substrates. Cullin 4a is an essential component of the SCF (SKP1-CUL1-F-box protein) E3 ubiquitin ligase complex, which mediates the ubiquitination of proteins involved in cell cycle progression, signal transduction and transcription. In the SCF complex, cul4A serves as a rigid scaffold that organizes the SKP1-F-box protein and RBX1 subunits. Cul4A may also contribute to catalysis through positioning of the substrate and the ubiquitin-conjugating enzyme. Cul4A also interacts with RNF7 and is part of a complex with TIP120A/CAND1, Cyclin E and RBX1.
ImmunogenSynthetic peptide corresponding to amino acids 1-20 of Human Cul4A (N-terminus) coupled coupled to KLH.
Swiss Num.: Q13619
AA Sequence: Human Cullin 4A (759 aa 87.6 kDa):
1 madeaprkgs fsalvgrtng ltkpaalaaa pakpggaggs kklviknfrd rprlpdnytq
61 dtwrklheav ravqsstsir ynleelyqav enlcshkvsp mlykqlrqac edhvqaqilp
121 fredsldsvl flkkintcwq dhcrqmimir siflfldrty vlqnstlpsi wdmglelfrt
181 hiisdkmvqs ktidgillli erersgeavd rsllrsllgm lsdlqvykds felkfleetn
241 clyaaegqrl mqerevpeyl nhvskrleee gdrvityldh stqkpliacv ekqllgehlt
301 ailqkgldhl ldenrvpdla qmyqlfsrvr ggqqallqhw seyiktfgta ivinpekdkd
361 mvqdlldfkd kvdhvievcf qknerfvnlm kesfetfink rpnkpaelia khvdsklrag
421 nkeatdeele rtldkimilf rfihgkdvfe afykkdlakr llvgksasvd aeksmlsklk
481 hecgaaftsk legmfkdmel skdimvhfkq hmqnqsdsgp idltvniltm gywptytpme
541 vhltpemikl qevfkafylg khsgrklqwq ttlghavlka efkegkkefq vslfqtlvll
601 mfnegdgfsf eeikmatgie dselrrtlqs lacgkarvli kspkgkeved gdkfifngef
661 khklfrikin qiqmketvee qvsttervfq drqyqidaai vrimkmrktl ghnllvsely
721 nqlkfpvkpg dlkkriesli drdymerdkd npnqyhyva
Format
State: Liquid serum (sterile filtered) containing 0.01% (w/v) Sodium Azide as preservative.
Purification: Delipidation and defibrination.
Purity: and
ApplicationsWestern blot: This antibody reacts with human Cul4A (1/500-1/1,000; An 87.6 kDa band corresponding to human Cul4A is detected; Most cell lines expressing Cul4A can be used as a positive control).
Immunoprecipitation: The antibody immunoprecipitates protein from cell lysates (using HeLa or U2OS and others).
ELISA (1/2,000-1/10,000).
Description
AASequence: Human Cullin 4A (759 aa 87.6 kDa)
1 madeaprkgs fsalvgrtng ltkpaalaaa pakpggaggs kklviknfrd rprlpdnytq
61 dtwrklheav ravqsstsir ynleelyqav enlcshkvsp mlykqlrqac edhvqaqilp
121 fredsldsvl flkkintcwq dhcrqmimir siflfldrty vlqnstlpsi wdmglelfrt
181 hiisdkmvqs ktidgillli erersgeavd rsllrsllgm lsdlqvykds felkfleetn
241 clyaaegqrl mqerevpeyl nhvskrleee gdrvityldh stqkpliacv ekqllgehlt
301 ailqkgldhl ldenrvpdla qmyqlfsrvr ggqqallqhw seyiktfgta ivinpekdkd
361 mvqdlldfkd kvdhvievcf qknerfvnlm kesfetfink rpnkpaelia khvdsklrag
421 nkeatdeele rtldkimilf rfihgkdvfe afykkdlakr llvgksasvd aeksmlsklk
481 hecgaaftsk legmfkdmel skdimvhfkq hmqnqsdsgp idltvniltm gywptytpme
541 vhltpemikl qevfkafylg khsgrklqwq ttlghavlka efkegkkefq vslfqtlvll
601 mfnegdgfsf eeikmatgie dselrrtlqs lacgkarvli kspkgkeved gdkfifngef
661 khklfrikin qiqmketvee qvsttervfq drqyqidaai vrimkmrktl ghnllvsely
721 nqlkfpvkpg dlkkriesli drdymerdkd npnqyhyva

Specific
SpecificityThis product is monospecific antiserum processed by delipidation and defibrination followed by sterile filtration.
This product reacts with human Cullin 4A.
Cross reactivity is expected against mouse Cul4A based on a high degree of sequence homology. Cross reactivity with other human cullins may occur.
StorageStore vial at -20°C prior to opening. Centrifuge product if not completely clear after standing at room temperature. Dilute only prior to immediate use.
For extended storage aliquot contents and freeze at -20°C or below.
Avoid cycles of freezing and thawing.
Shelf life: one year from despatch.
References1. Higa,L.A., Mihaylov,I.S., Banks,D.P., Zheng,J. and Zhang,H. (2003) Radiation-mediated proteolysis of CDT1 by CUL4-ROC1 and CSN complexes constitutes a new checkpoint. Nat. Cell Biol. 5 (11), 1008-1015.
2. Kipreos,E.T., Lander,L.E., Wing,J.P., He,W.W. and Hedgecock,E.M. (1996) cul-1 is required for cell cycle exit in C. elegans and identifies a novel gene family. Cell 85 (6), 829-839.
3. Michel,J.J. and Xiong,Y. (1998) Human CUL-1, but not other cullin family members, selectively interacts with SKP1 to form a complex with SKP2 and cyclin A. Cell Growth Differ. 9 (6), 435-449.
4. Ohta,T., Michel,J.J., Schottelius,A.J. and Xiong,Y. (1999) ROC1, a homolog of APC11, represents a family of cullin partners with an associated ubiquitin ligase activity. Mol. Cell 3 (4), 535-541.
5. Mathias, N., Johnson, S.L., Winey, M., Adams, A.E., Goetsch, L., Pringle, J.R., Byers, B., Goebl, M.G. (1996) Cdc53p acts in concert with Cdc4p and Cdc34p to control the G1-to-S-phase transition and identifies a conserved family of proteins. Mol Cell Biol 16:12, 6634-6643.
6. Groisman R, Polanowska J, Kuraoka I, Sawada J, Saijo M, Drapkin R, Kisselev AF, Tanaka K, Nakatani Y. (2003) The ubiquitin ligase activity in the DDB2 and CSA complexes is differentially regulated by the COP9 signalosome in response to DNA damage. Cell. 113(3):357-67.
7. Li B, Ruiz JC, Chun KT. (2002) CUL-4A is critical for early embryonic development. Mol Cell Biol. 22(14):4997-5005.
8. Shiyanov P, Nag A, Raychaudhuri P. (1999) Cullin 4A associates with the UV-damaged DNA-binding protein DDB. J Biol Chem. 274(50):35309-12.
9. Jentsch S, Pyrowolakis G. (2000) Ubiquitin and its kin: how close are the family ties? Trends Cell Biol. 10(8):335-42.
10. Chen L.-C., Manjeshwar S., Lu Y., Moore D., Ljung B.M., Kuo W.L., Dairkee S.H., Wernick M., Collins C., Smith H.S.(1998) The human homologue for the Caenorhabditis elegans cul-4 gene is amplified and overexpressed in primary breast cancers. Cancer Res. 58:3677-3683.
PicturesFigure 1. Conjugation pathways for ubiquitin and
ubiquitin-like modifiers (UBLs). Most modifiers mature by
proteolytic processing from inactive precursors (a; amino acid).
Arrowheads point to the cleavage sites. Ubiquitin is expressed
either as polyubiquitin or as a fusion with ribosomal proteins.
Conjugation requires activating (E1) and conjugating (E2) enzymes
that form thiolesters (S) with the modifiers. Modification of cullins
by RUB involves SCF(SKP1/cullin-1/F-box protein) /CBC(cullin-
2/elongin B/elonginC) -like E3 enzymes that are also involved in
ubiquitination. In contrast to ubiquitin, the UBLs do not seem to
form multi-UBL chains. UCRP(ISG15) resembles two ubiquitin
moieties linked head-to-tail. Whether HUB1 functions as a modifier
is currently unclear. APG12 and URM1 are distinct from the other
modifiers because they are unrelated in sequence to ubiquitin.
Data contributed by S.Jentsch, see references above.

12 Secondary Antibodies

Catalog No.Name / HostPresentationReactivity 
R1364B Rabbit IgG (H&L)  
  Goat Biotin   2 mg / US$ 295
   
R1364F Rabbit IgG (H&L)  
  Goat FITC   2 mg / US$ 285
   
R1364T Rabbit IgG (H&L)  
  Goat TRITC   2 mg / US$ 285
   
R1364TR Rabbit IgG (H&L)  
  Goat Texas Red   2 mg / US$ 295
   
R1364HRP Rabbit IgG (H&L)  
  Goat HRP   2 mg / US$ 295
   
R1364AP Rabbit IgG (H&L)  
  Goat AP   1 mg / US$ 325
   
R1458C2 Rabbit IgG (H&L) multi-species ads.  
  Goat Cy2   1 mg / US$ 445
   
R1458C3 Rabbit IgG (H&L) multi-species ads.  
  Goat Cy3   1 mg / US$ 445
   
R1458C35 Rabbit IgG (H&L) multi-species ads.  
  Goat Cy3.5   1 mg / US$ 445
   
R1458C5 Rabbit IgG (H&L) multi-species ads.  
  Goat Cy5   1 mg / US$ 445
   
R1458C55 Rabbit IgG (H&L) multi-species ads.  
  Goat Cy5.5   1 mg / US$ 445
   
R1427R Rabbit IgG (H&L) F(ab')2 Fragment multi-species ads.  
  Donkey PE   1 ml / US$ 455
   

Click here to see all secondary antibodies for 'R1512 Cullin-4A / CUL-4A'.