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  • Human C1QBP/HABP1 (His Tag) recombinant protein

Human C1QBP/HABP1 (His Tag) recombinant protein

Cat.#: 502386

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Product Information

  • Product Name
    Human C1QBP/HABP1 (His Tag) recombinant protein
  • Documents
  • Description
    Is believed to be a multifunctional and multicompartmental protein involved in inflammation and infection processes, ribosome biogenesis, regulation of apoptosis, transcriptional regulation and pre-mRNA splicing. At the cell surface is thought to act as an endothelial receptor for plasma proteins of the complement and kallikrein-kinin cascades. Putative receptor for C1q; specifically binds to the globular "heads" of C1q thus inhibiting C1; may perform the receptor function through a complex with C1qR/CD93. In complex with cytokeratin-1/KRT1 is a high affinity receptor for kininogen-1/HMWK. Can also bind other plasma proteins, such as coagulation factor XII leading to its autoactivation. May function to bind initially fluid kininogen-1 to the cell membrane. The secreted form may enhance both extrinsic and intrinsic coagulation pathways. It is postulated that the cell surface form requires docking with transmembrane proteins for downstream signaling which might be specific for a cell-type or response. By acting as C1q receptor is involved in chemotaxis of immature dendritic cells and neutrophils and is proposed to signal through CD209/DC-SIGN on immature dendritic cells, through integrin alpha-4/beta-1 during trophoblast invasion of the decidua, and through integrin beta-1 during endothelial cell adhesion and spreading. Signaling involved in inhibition of innate immune response is implicating the PI3K-AKT/PKB pathway. In mitochondrial translation may be involved in formation of functional 55S mitoribosomes; the function seems to involve its RNA-binding activity. May be involved in the nucleolar ribosome maturation process; the function may involve the exchange of FBL for RRP1 in the association with pre-ribosome particles. Involved in regulation of RNA splicing by inhibiting the RNA-binding capacity of SRSF1 and its phosphorylation. Is required for the nuclear translocation of splicing factor U2AF1L4. Involved in regulation of CDKN2A- and HRK-mediated apoptosis. Stabilizes mitochondrial CDKN2A isoform smARF. May be involved in regulation of FOXC1 transcriptional activity and NFY/CCAAT-binding factor complex-mediated transcription. In infection processes acts as an attachment site for microbial proteins, including Listeria monocytogenes internalin B and Staphylococcus aureus protein A. May play a role in antibacterial defense as it can bind to cell surface hyaluronan and inhibit Streptococcus pneumoniae hyaluronate lyase. Involved in replication of Rubella virus. May be involved in modulation of the immune response; ligation by HCV core protein is resulting in suppresion of interleukin-12 production in monocyte-derived dendritic cells. Involved in regulation of antiviral response by inhibiting DDX58- and IFIH1-mediated signaling pathways probably involving its association with MAVS after viral infection. Involved in HIV-1 replication, presumably by contributing to splicing of viral RNA.
  • Protein name
    Complement component 1 Q subcomponent-binding protein, mitochondrial
  • Protein short names
    DN-393H17.2; P32; AA407365; C1QBP; GC1Q-R; HABP1; GC1QBP; SF2P32; D11WSU182E; GC1QR; AA986492
  • Uniprot ID
    Q07021
  • Gene Name
    C1QBP; GC1QBP; HABP1; SF2P32
  • Source/Expression Host
    E. coli
  • Expression Plasmid/cDNA
    A DNA sequence encoding the mature form of human C1QBP (NP_001203.1) (His 75-Gln 282) fused with two Met at N-terminus and a polyhistide tag at the C-terminus was expressed and purified.
  • Protein Species
    Human
  • Molecular weight
    The recombinant human C1QBP consisting of 216 amino acids and has a calculated molecular mass of 24.8 kDa. It migrates as an approximately 36 kDa band in SDS-PAGE under reducing conditions.
  • Purity
    > 96 % as determined by SDS-PAGE
  • Validations

    Human HABP1 / C1QBP / GC1QBP Protein (His Tag) SDS-PAGE

    Human HABP1 / C1QBP / GC1QBP Protein (His Tag) SDS-PAGE

Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"