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C1qB  蛋白,抗体,试剂盒,cDNA克隆

表达宿主: Baculovirus-Insect Cells  
10941-H08B-20
10941-H08B-100
20 µg 
100 µg 
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C1qB 相关研究领域

C1qB 相关信号通路

C1qB 概述&蛋白信息

C1qB 研究背景

基因概述: This gene encodes a major constituent of the human complement subcomponent C1q. C1q associates with C1r and C1s in order to yield the first component of the serum complement system. Deficiency of C1q has been associated with lupus erythematosus and glomerulonephritis. C1q is composed of 18 polypeptide chains: six A-chains, six B-chains, and six C-chains. Each chain contains a collagen-like region located near the N terminus and a C-terminal globular region. The A-, B-, and C-chains are arranged in the order A-C-B on chromosome 1. This gene encodes the B-chain polypeptide of human complement subcomponent C1q
General information above from NCBI
亚单位结构: C1 is a calcium-dependent trimolecular complex of C1q, c1r and C1s in the molar ration of 1:2:2. C1q subcomponent is composed of nine subunits, six of which are disulfide-linked dimers of the A and B chains, and three of which are disulfide-linked dimers of the C chain. {ECO:0000269|PubMed:708376}.
亚细胞定位: Secreted.
翻译后修饰: Hydroxylated on lysine and proline residues. Hydroxylated lysine residues can be glycosylated. Human C1Q contains up to 68.3 hydroxylysine-galactosylglucose residues and up to 2.5 hydroxylysine-galactose per molecule. Total percentage hydroxylysine residues glycosylated is 86.4%. {ECO:0000269|PubMed:486087, ECO:0000269|PubMed:6286235, ECO:0000269|PubMed:708376}.
相关疾病 : DISEASE: Complement component C1q deficiency (C1QD) [MIM:613652]: A disorder caused by impaired activation of the complement classical pathway. It generally leads to severe immune complex disease with features of systemic lupus erythematosus and glomerulonephritis. {ECO:0000269|PubMed:9476130}. Note=The disease is caused by mutations affecting the gene represented in this entry.
相似的序列: Contains 1 C1q domain. {ECO:0000255|PROSITE-ProRule:PRU00368}.; Contains 2 collagen-like domains. {ECO:0000305}.
General information above from UniProt

Complement Component 1, q subcomponent (C1q) associates with C1r and C1s in order to yield the first component of the serum complement system. Deficiency of C1q has been associated with lupus erythematosus and glomerulonephritis. C1q is composed of 18 polypeptide chains: six A-chains, six B-chains, and six C-chains. Southern blot analysis of chromosomal DNA from vertebrate species demonstrated highest similarity between the C1qB genes, followed by C1qC and finally C1qA. Sequence comparison of C1q from three different species have shown that the B chains have the strongest similarity. C1q was already present at embryonic day 14 (E14) and showed little change in abundance through six weeks postnatal. At E16, C1qB mRNA was present at high abundance in putative microglia/macrophages in cortical marginal and intermediate zones, and hippocampal analge.

C1qB 别称

C1QB, [human]

C1qB 相关文献

  • Pasinetti GM, et al. (1992) Complement C1qB and C4 mRNAs responses to lesioning in rat brain. Experimental neurology. 118(2): 117-25.
  • Johnson SA, et al. (1994) Expression of complement C1qB and C4 mRNAs during rat brain development. Brain Res Dev Brain Res. 80(1-2): 163-74.
  • Grewal RP,et al. (1999) C1qB and clusterin mRNA increase in association with neurodegeneration in sporadic amyotrophic lateral sclerosis. Neuroscience letters. 271(1): 65-7.
  • Spielman L, et al. (2002) Induction of the complement component C1qB in brain of transgenic mice with neuronal overexpression of human cyclooxygenase-2. Acta neuropathologica. 103(2): 157-62.
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