Semaphorin 4A / SEMA4A / Semaphorin B抗体产品信息免疫原 : Recombinant Human Semaphorin 4A / SEMA4A / Semaphorin B protein (Catalog#11756-H08H)
Antibody Type : Mouse Monoclonal Antibody ( Mouse mAb Service Platform )
克隆号 : 04
Ig Type : Mouse IgG1
缓冲液 : 0.2 μm filtered solution in PBS, 5% trehalose may be added in some batches. Please read the hardcopy of COA or contact our customer service to confirm the formulation.
制备方法 : This antibody was produced from a hybridoma resulting from the fusion of a mouse myeloma with B cells obtained from a mouse immunized with purified, recombinant Human Semaphorin 4A / SEMA4A / Semaphorin B (rh Semaphorin 4A / SEMA4A / Semaphorin B; Catalog#11756-H08H; NP_071762.2; Met 1-His 683). The IgG fraction of the cell culture supernatant was purified by Protein A affinity chromatography.
Semaphorin 4A / SEMA4A / Semaphorin B抗体 Background
Semaphorin-4A, also known as Semaphorin-B, SEMA4A, Sema B and SEMAB, is a single-pass type I membrane protein which belongs to thesemaphorin family. It inhibits axonal extension by providing local signals to specify territories inaccessible for growing axons. Semaphorin-4A / SEMA4A contains oneIg-like C2-type (immunoglobulin-like) domain, onePSI domain and oneSema domain. Defects in SEMA4A are the cause of retinitis pigmentosa type 35 (RP35) which leads to degeneration of retinal photoreceptor cells. Patients typically have night vision blindness and loss of midperipheral visual field. As their condition progresses, they lose their far peripheral visual field and eventually central vision as well. Defects in SEMA4A are also the cause of cone-rod dystrophy type 10 (CORD10) which are inherited retinal dystrophies belonging to the group of pigmentary retinopathies. CORDs are characterized by retinal pigment deposits visible on fundus examination, predominantly in the macular region, and initial loss of cone photoreceptors followed by rod degeneration. Semaphorins are secreted, transmembrane, and GPI-linked proteins, defined by cysteine-rich semaphorin protein domains, that have important roles in a variety of tissues. Humans have 20 semaphorins, Drosophila has five, and two are known from DNA viruses. Semaphorins are found in nematodes and crustaceans but not in non-animals. They are grouped into eight classes on the basis of phylogenetic tree analyses and the presence of additional protein motifs. Semaphorins have been implicated in diverse developmental processes such as axon guidance during nervous system development and regulation of cell migration.
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