Human Anti-CD4 Recombinant Antibody (clone Hu5A8); Fab Fragment (CAT#: PFBL-424)
Recombinant Humanized Antibody (Hu5A8) Fab Fragment is specific to CD4. This Fab fragment derived from a mouse antibody, 5A8, which binds D2 of CD4 and blocks HIV-1 infection in vitro.
We specialize in custom recombinant antibody production, offering seamless execution from provided sequences to high-quality antibody deliverables, ensuring optimal yield and purity.

(Immunofluorescent staining of human cell line U-251 MG shows localization to plasma membrane.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/11/if_selected.jpg

(Cell lines ordered by descending RNA expression order.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/ENSG00000010610-CD4

(Cell lines ordered by descending RNA expression order.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/ENSG00000010610-CD4
Specifications
- Immunogen
- Human CD4 molecule
- Host Species
- Human
- Derivation
- Humanized
- Type
- Human Fab
- Specificity
- CD4
- Species Reactivity
- Human
- Clone
- Hu5A8
- Applications
- Block, Neut
Product Property
- Purity
- >95% as determined by analysis by SDS-PAGE
- Concentration
- Please refer to the vial label for the specific concentration.
- Buffer
- PBS
- Preservative
- No preservatives
- Storage
- Centrifuge briefly prior to opening vial. Store at +4°C short term (1-2 weeks). Aliquot and store at -20°C long term. Avoid repeated freeze/thaw cycles.
Target
- Alternative Names
- CD4; CD4 molecule; CD4mut; T-cell surface glycoprotein CD4; CD4 receptor; CD4 antigen (p55); T-cell surface antigen T4Leu-3
- Gene ID
- 920
- UniProt ID
- B4DT49
Related Resources
Product Notes
This is a product of Creative Biolabs' Hi-Affi™ recombinant antibody portfolio, which has several benefits including:
• Increased sensitivity
• Confirmed specificity
• High repeatability
• Excellent batch-to-batch consistency
• Sustainable supply
• Animal-free production
See more details about Hi-Affi™ recombinant antibody benefits.
Downloads
Download resources about recombinant antibody development and antibody engineering to boost your research.
See other products for "Clone Hu5A8"
See other products for "CD4"
Select a product category from the dropdown menu below to view related products.
CAT | Product Name | Application | Type |
---|---|---|---|
TAB-039 | Anti-Human CD4 Recombinant Antibody (Zanolimumab) | Neut, ELISA, IF, IP, FuncS, FC, IHC | IgG1 - kappa |
Customer Reviews and Q&As
Fast results
Practical packaging
Respectable brand
Cite This Product
To accurately reference this product in your publication, please use the following citation information:
(Creative Biolabs Cat# PFBL-424, RRID: AB_3111716)
Popular products with customers
Application: WB, FuncS, IF, Neut, ELISA, FC, IP
Application: ELISA, Neut, IF, IP, FC, FuncS
Application: ELISA, FC, IP, FuncS, IF, Neut, ICC
Application: Neut, ELISA, IF, IP, FuncS, FC, WB
Application: ELISA, IP, FC, FuncS, Neut, IF, ICC
Application: FC, IB, Block, Inhib, FuncS, ELISA, FACS, IP, IF
Application: WB, ELISA
Application: ELISA, Inhib, FuncS
For Research Use Only. Not For Clinical Use.
For research use only. Not intended for any clinical use. No products from Creative Biolabs may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative Biolabs.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.