Recombinant Human C1QA Protein, His-tagged

• Cat.No.: C1QA-333H
• Product Overview: Recombinant Human C1QA Protein (Ala28-Ala245) with N-His tag was expressed in E. coli.

Specification

• Description: This gene encodes the A-chain polypeptide of serum complement subcomponent C1q, which associates with C1r and C1s to yield the first component of the serum complement system. C1q deficiency is associated with lupus erythematosus and glomerulonephritis. C1q is composed of 18 polypeptide chains which include 6 A-chains, 6 B-chains, and 6 C-chains. Each chain contains an N-terminal collagen-like region and a C-terminal C1q globular domain. Alternate splicing results in multiple transcript variants.
• Source: E. coli
• Species: Human
• Tag: N-His
• Form: Freeze-dried powder
• Molecular Mass: Predicted Molecular Mass: 26.8 kDa
  Accurate Molecular Mass: 30 kDa
• Protein length: Ala28-Ala245
• Purity: > 95%
• Applications: Cell culture; Activity Assays.
• Stability: The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37 centigrade for 48h, and no obvious degradation and precipitation were observed. The loss rate is less than 5% within the expiration date under appropriate storage condition.
• Storage: Avoid repeated freeze/thaw cycles. Store at 2-8 centigrade for one month. Aliquot and store at -80 centigrade for 12 months.
• Storage Buffer: 20mM Tris, 150mM NaCl, pH8.0, containing 1mM EDTA, 1mM DTT, 0.01% SKL, 5% Trehalose and Proclin300.
• Reconstitution: Reconstitute in sterile water to a concentration of 0.1-1.0 mg/mL. Do not vortex.

Gene Information

• Gene Name: C1QA complement component 1, q subcomponent, A chain [ Homo sapiens (human) ]
• Official Symbol: C1QA
• Synonyms: C1QA; complement component 1, q subcomponent, A chain; complement component 1, q subcomponent, alpha polypeptide; complement C1q subcomponent subunit A; complement component C1q, A chain
• Gene ID: 712
• mRNA Refseq: NM_015991
• Protein Refseq: NP_057075
• MIM: 120550
• UniProt ID: P02745