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General description
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]
Immunogen
PBS with 0.02% sodium azide,0.05% BSA,50% glycerol,pH7.3.
Recombinant fusion protein containing a sequence corresponding to amino acids 940-1237 of human Complement C4A (P0C0L4).
Application
WB, IF/ICC
| biological source | rabbit |
| Quality Segment | 100 |
| conjugate | unconjugated |
| material | colorless |
| clone | 4C3F2, monoclonal |
| form | liquid |
| mol wt | 200 kDa |
| species reactivity | human |
| concentration | 0.5 mg/mL |
| technique(s) | immunofluorescence: 1:50 - 1:200,western blot: 1:500 - 1:2000 |
| color | colorless |
| isotype | IgG |
| immunogen sequence | HREELVYELNPLDHRGRTLEIPGNSDPNMIPDGDFNSYVRVTASDPLDTLGSEGALSPGGVASLLRLPRGCGEQTMIYLAPTLAASRYLDKTEQWSTLPPETKDHAVDLIQKGYMRIQQFRKADGSYAAWLSRDSSTWLTAFVLKVLSLAQEQVGGSPEKLQETSNWLLSQQQADGSFQDPCPVLDRSMQGGLVGNDETVALTAFVTIALHHGLAVFQDEGAEPLKQRVEASISKANSFLGEKASAGLLGAHAAAITAYALTLTKAPVDLLGVAHNNLMAMAQETGDNLYWGSVTGSQ |
| UniProt accession no. | P0C0L4 |
| shipped in | wet ice |
| storage temp. | −20°C |
| target post-translational modification | unmodified |
| Gene Information | human ... C4A(720) |
| 长度(mm) | |
| 宽度(mm) | |
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| 重量(kg) |
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¥ 1148.92
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¥ 2622.09
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¥ 1563.36
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¥ 4897.21
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¥ 1156.91
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¥ 3852.13
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¥ 1783.21
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