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C1QBP (基因名), Complement component 1 Q subcomponent-binding protein, mitochondrial (蛋白名), c1qbp_bovin.

产品名称:

Bovine C1QBP/ Complement component 1 Q subcomponent-binding protein, mitochondrial CLIA Kit
补体成分1 Q子成分结合蛋白，线粒体

货号:

U8898b

商标:

EIAab^®

监管等级:

RUO

检测方法:

CLIA

特异性:

Natural and recombinant bovine Complement component 1 Q subcomponent-binding protein, mitochondrial

样品类型:

Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids

样品数据:

研究领域:

Immunology

规格 & 价格:

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通用注释

亚单元:

Homotrimer; three monomers form a donut-shaped structure with an unusually asymmetric charge distribution on the surface. Interacts with CDK13, HRK, VTN, NFYB, ADRA1B, FOXC1, DDX21, DDX50, NCL, SRSF1 and SRSF9. Interacts with CD93; the association may represent a cell surface C1q receptor. Interacts with KRT1; the association represents a cell surface kininogen receptor. Interacts with CD209; the interaction is indicative for a C1q:C1QBP:CD209 signaling complex. Interacts with FBL and RRP1; the respective interactions with C1QBP are competetive. Probably associates with the mitoribosome. Interacts with MAVS; the interaction occurs upon viral transfection. Interacts with PPIF. Interacts with U2AF1L4.

功能:

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. 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. May play a role in antibacterial defense. Involved in regulation of antiviral response by inhibiting DDX58- and IFIH1-mediated signaling pathways probably involving its association with MAVS after viral infection.

亚细胞位置:

Mitochondrion matrix Nucleus Cell membrane Peripheral membrane protein Extracellular side Secreted Cytoplasm Nucleus Nucleolus Seems to be predominantly localized to mitochondria.

数据库链接

UniGene:

Bt.16082

SMR:

Q3T0B6

STRING:

9913.ENSBTAP00000013734

KEGG:

bta:518321

Pfam:

PF02330

Uniprot: