ApoE (E7X2A) Rabbit mAb (BSA and Azide Free) #20769
- WB
- IHC
- ELISA
- IF
Supporting Data
| REACTIVITY | M |
| SENSITIVITY | Endogenous |
| MW (kDa) | 35 |
| Source/Isotype | Rabbit IgG |
Application Key:
- WB-Western Blotting
- IHC-Immunohistochemistry
- ELISA-ELISA
- IF-Immunofluorescence
Species Cross-Reactivity Key:
- M-Mouse
Product Information
Product Usage Information
This formulation is ideal for use with technologies requiring specialized or custom antibody labeling, including fluorophores, metals, lanthanides, and oligonucleotides. It is not recommended for ChIP, ChIP-seq, CUT&RUN, or CUT&Tag assays. If you require a carrier-free formulation for chromatin profiling, please contact us. Optimal dilutions/concentrations should be determined by the end user.
BSA and Azide Free antibodies are quality control tested by size exclusion chromatography (SEC) to determine antibody integrity.
Formulation
Supplied in 1X PBS (10 mM Na2HPO4, 3 mM KCl, 2 mM KH2PO4, and 140 mM NaCl (pH 7.8)). BSA and Azide Free.
For standard formulation of this product see product #49285.
Storage
Specificity / Sensitivity
Species Reactivity:
Source / Purification
Background
Human ApoE has three isoforms: ApoE2, ApoE3, and ApoE4. These three isoforms differ in the combination of cysteine and arginine residues located at positions 130 and 176. The ApoE4 isoform contains arginine at both locations (3). Arginine 130 in ApoE4 allows for interaction between carboxy- and amino-terminal domains through orientation of arginine 61, leading to a preference for binding lower density lipoproteins, where ApoE2 and ApoE3 show preference for binding HDL. Mouse ApoE contains similar sequence to human ApoE4, with arginine present at equivalent positions to 130 and 176. However, the mouse sequence lacks arginine at critical position 61, which allows it to behave similarly to human ApoE3, including preferential binding to HDL (4).
Limited Uses
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