Lefty proteins are novel TGF-beta ligands that function as antagonists of Nodal signaling. The expression of Lefty proteins on the left side of the developing mouse embryo earned this protein family its name. Two genes exist in mouse (Lefty-1 and Lefty-2) and two in humans (Lefty-A and Lefty-B). By amino acid sequence, human Lefty-A and Lefty-B are more similar to each other (96%) than to either Lefty-1 or Lefty-2 in the mouse (81-82%). The Leftys contains some of the features of the cysteine-knot structure conserved among TGF-beta-related proteins, but also some structural differences. Specifically, they lack the alpha-helical segment important for ligand dimerization as well as the cysteine residue involved in stabilization of dimers.
Lefty-2 Antibody - BSA Free
Novus Biologicals | Catalog # NBP3-03765
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Key Product Details
Species Reactivity
Human, Mouse, Rat
Applications
Western Blot
Label
Unconjugated
Antibody Source
Polyclonal Rabbit IgG
Format
BSA Free
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Product Specifications
Immunogen
Recombinant fusion protein containing a sequence corresponding to amino acids 57-366 of human Lefty-2 (NP_003231.2). VRAQYVVLLRRSHGDRSRGKRFSQSFREVAGRFLASEASTHLLVFGMEQRLPPNSELVQAVLRLFQEPVPKAALHRHGRLSPRSAQARVTVEWLRVRDDGSNRTSLIDSRLVSVHESGWKAFDVTEAVNFWQQLSRPRQPLLLQVSVQREHLGPLASGAHKLVRFASQGAPAGLGEPQLELHTLDLRDYGAQGDCDPEAPMTEGTRCCRQEMYIDLQGMKWAKNWVLEPPGFLAYECVGTCQQPPEALAFNWPFLGPRQCIASETASLPMIVSIKEGGRTRPQVVSLPNMRVQKCSCASDGALVPRRLQP
Clonality
Polyclonal
Host
Rabbit
Isotype
IgG
Description
Novus Biologicals Rabbit Lefty-2 Antibody - BSA Free (NBP3-03765) is a polyclonal antibody validated for use in WB. All Novus Biologicals antibodies are covered by our 100% guarantee.
Scientific Data Images for Lefty-2 Antibody - BSA Free
Western Blot: Lefty-2 AntibodyBSA Free [NBP3-03765]
Western Blot: Lefty-2 Antibody [NBP3-03765] - Analysis of extracts of various cell lines, using Lefty-2 antibody at 1:1000 dilution. Secondary antibody: HRP Goat Anti-Rabbit IgG (H+L) at 1:10000 dilution. Lysates/proteins: 25ug per lane. Blocking buffer: 3% nonfat dry milk in TBST. Detection: ECL Basic KitApplications for Lefty-2 Antibody - BSA Free
Application
Recommended Usage
Western Blot
1:500-1:2000
Formulation, Preparation, and Storage
Purification
Affinity purified
Formulation
PBS (pH 7.3), 50% glycerol
Format
BSA Free
Preservative
0.02% Sodium Azide
Concentration
Please see the vial label for concentration. If unlisted please contact technical services.
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Store at -20C. Avoid freeze-thaw cycles.
Background: Lefty-2
Alternate Names
Ebaf, TGF-beta 4, TGFB4
Gene Symbol
LEFTY2
Additional Lefty-2 Products
Product Documents for Lefty-2 Antibody - BSA Free
Product Specific Notices for Lefty-2 Antibody - BSA Free
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Cellular Response to Hypoxia Protocols
- R&D Systems Quality Control Western Blot Protocol
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars
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