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Official Symbol: | C4A |
NCBI Gene ID: | 720 |
Content / Scale: |
C4 C4A2 C4A3 C4A4 C4A6 C4AD C4S CO4 CPAMD2 RG |
Official Full Name: | complement C4A (Rodgers blood group) |
Species: | human |
Summary: | This gene encodes the acidic form of complement factor 4, part of the classical activation pathway. The protein is expressed as a single chain precursor which is proteolytically cleaved into a trimer of alpha, beta, and gamma chains prior to secretion. The trimer provides a surface for interaction between the antigen-antibody complex and other complement components. The alpha chain is cleaved to release C4 anaphylatoxin, an antimicrobial peptide and a mediator of local inflammation. Deficiency of this protein is associated with systemic lupus erythematosus and type I diabetes mellitus. This gene localizes to the major histocompatibility complex (MHC) class III region on chromosome 6. Varying haplotypes of this gene cluster exist, such that individuals may have 1, 2, or 3 copies of this gene. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Nov 2014]. Sequence Note: This RefSeq record represents the C4A*001.1.1 allele. |
Order a complex pool of 30 siRNAs (siPOOL) for the specific gene knockdown of human gene C4A.
siPOOLs (siRNA pools) are high complexity pools of 30 optimally selected siRNAs designed to specifically knock-down the target gene of your choice.
Using 30 siRNAs at a picomolar concentration dilutes and significantly minimizes the off-target effects of each siRNA, therefore highly increasing the on-target specificity. On the other hand, individual siRNAs or low complexity siRNA pools containing only 2-4 siRNAs often display dominant off-target profiles and exhibit variable target gene knock-downs.
As reaction numbers depend on transfection efficiencies and well/plate format used, please refer to our FAQ section or siPOOL transfection protocol for more information.
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siPOOL- 2
2 nmol siPOOL Price: € 295,00 |
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2 nmol siPOOL Pool of pre-selected ~30 siRNAs against the target gene. HPLC-purified, in 50µM solution. |
siPOOL- 5
5 nmol siPOOL Price: € 548,00 |
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5 nmol siPOOL, pool of 30 pre-selected siRNAs against the target gene. HPLC-purified, in 50µM solution. |
siPOOL- 5 Kit
5 nmol siPOOL 5 nmol negative control siPOOL Price: € 699,00 |
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This kit contains the target-specific siPOOL and a negative control siPOOL against sequences not found in mouse, rat or human. Amount provided: 5 nmol / siPOOL. HPLC-purified, in 50µM solution. |
siPOOL-10
10 nmol siPOOL Price: € 692,00 |
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10 nmol siPOOL, pool of 30 pre-selected siRNAs against the target gene. HPLC-purified, in 50µM solution. |
siPOOL-10 Kit
10 nmol siPOOL 10 nmol negative control siPOOL Price: € 925,00 |
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This kit contains the target-specific siPOOL and a negative control siPOOL against sequences not found in mouse, rat or human. Amount provided: 10 nmol / siPOOL. HPLC-purified, in 50µM solution. |
siPOOL-20
20 nmol siPOOL Price: € 1.041,00 |
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20 nmol siPOOL, pool of 30 pre-selected siRNAs against the target gene. HPLC-purified, in 50µM solution. |
siPOOL-20 kit
20 nmol siPOOL 20 nmol negative control siPOOL Price: € 1.369,00 |
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This kit contains the target-specific siPOOL and a negative control siPOOL against sequences not found in mouse, rat or human. Amount provided: 20 nmol / siPOOL. HPLC-purified, in 50µM solution. |
siPOOL-40
40 nmol siPOOL Price: € 1.665,00 |
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40 nmol siPOOL, pool of 30 pre-selected siRNAs against the target gene. HPLC-purified, in 50µM solution. |
siPOOL-40 kit
40 nmol siPOOL 40 nmol negative control siPOOL Price: € 2.565,00 |
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This kit contains the target-specific siPOOL and a negative control siPOOL against sequences not found in mouse, rat or human. Amount provided: 40 nmol / siPOOL. HPLC-purified, in 50µM solution. |