NRP-1

CAT: 0209-102-PA23AGSize: 50 µgDry Ice: NoHazardous: No
CAT#:0209-102-PA23AGSize:50 µg
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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Description
Neuropilin-1 (NRP-1, CD304) is a 130-140 kDa type I transmembrane glycoprotein that regulates axon guidance and angiogenesis. The human NRP-1 contains a 623 aa extracellular domain (ECD) that shows 92-95% aa identity with mouse, rat, bovine and canine NRP-1. The ECD contains two N-terminal CUB domains (termed a1a2), two domains with homology to coagulation factors V and VIII (b1b2) and a MAM (meprin) domain. C-terminally divergent splice variants with 704, 644, 609, and 551 aa lack the MAM and TM domains and are demonstrated or presumed to be soluble antagonists. Heparin, the heparin-binding forms of VEGF (VEGF165, VEGF-B; VEGF-E), PlGF-2, and the C-terminus of Sema3 bind the b1b2 region. NRP-1 and NRP-2 share 48% aa identity within the ECD and can form homo and hetero-oligomers via interaction of their MAM domains. Neuropilins show partially overlapping expression in neuronal and endothelial cells during development. Both neuropilins act as coreceptors with Plexins, mainly Plexin A3 and A4, to bind class III Semaphorins that mediate axon repulsion. However, only NRP-1 binds Sema3A, and only NRP-2 binds Sema 3F. Both are co-receptors with VEGFR-2 (KDR7Flk1) for VEGF165 binding. Sema 3A signaling can be blocked by VEGF165, which has higher affinity for NRP-1. NRP-1 is preferentially expressed in arteries during development or those undergoing remodeling. NRP-1 is also expressed on dendritic cells and mediates DC-induced T-cell proliferation
Synonyms
Neuropilin receptor-1, VEGF165R, NRP, CD304; neuropilin
NCBI Gene ID
8829
UniProt
O14786
Accession Number
NP_003864.4
Accession Number mRNA
NM_003873.5
Chromosomal Location
10p12
Reactivity
Anti-Human
Cross Reactivity
Human
Target Antigen
Recombinant human NRP-1 (RT #S01-019)
Clone
Rabbit IgG
Applications
WB
Purification Method
Antigen-affinity purified
Assay Protocol
Centrifuge vial prior to opening. Reconstitute in sterile water to a concentration of 0.1-1.0 mg/ml.
Bioactivity
Western Blot: Use 1-5 µg/ml
Form
Lyophilized
Buffer
PBS
Reconstitution
Water
Storage Conditions
The lyophilized antibody is stable for at least 2 years at -20°C. After sterile reconstitution the antibody is stable at 2-8°C for up to 6 months. Frozen aliquots are stable for at least 6 months when stored at -20°C. Addition of a carrier protein or 50% glycerol is recommended for frozen aliquots.
Host or Source
Rabbit

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