pfd-4 Antibody

Shipped with Ice Packs
In Stock

Product Specs

Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Lead Time
Made-to-order (14-16 weeks)
Synonyms
pfd-4 antibody; tag-317 antibody; B0035.4 antibody; Probable prefoldin subunit 4 antibody
Target Names
pfd-4
Uniprot No.

Target Background

Function
The pfd-4 Antibody binds specifically to cytosolic chaperonin (c-CPN) and facilitates the transfer of target proteins to it. This antibody interacts with the nascent polypeptide chain, promoting its proper folding in an environment where numerous competing pathways exist for nonnative proteins.
Database Links

KEGG: cel:CELE_B0035.4

STRING: 6239.B0035.4.1

UniGene: Cel.19441

Protein Families
Prefoldin subunit beta family

Q&A

Based on the analysis of patents, research articles, and technical guidelines related to antibody engineering and humanization methodologies, here is a structured FAQ collection for academic researchers studying pfd-4 Antibody (assumed to refer to a humanized monoclonal antibody analogous to the muMAb4D5/4D5 system described in patents ).

Advanced Research Questions

  • How can computational force-guided sampling improve pfd-4 Antibody CDR loop design for enhanced antigen binding?

    • Methodology:

      • Energy minimization: Apply differentiable force fields (e.g., AMBER) during diffusion model sampling to optimize CDR backbone geometry and side-chain conformations .

      • Hybrid sampling: Combine RosettaAntibody with ML-guided energy landscapes to prioritize low-energy conformers while preserving sequence diversity .

      • Validation: Compare predicted vs. experimental ΔG values using surface plasmon resonance (SPR) for top candidates.

  • What strategies resolve data contradictions between in vitro binding assays and in vivo efficacy for pfd-4 Antibody?

    • Methodology:

      • Epitope binning: Use HDX-MS (hydrogen-deuterium exchange mass spectrometry) to confirm epitope accessibility in physiological vs. recombinant antigen formats .

      • Fc engineering: Optimize FcγR binding (e.g., IgG1 vs. IgG4 isotypes) to enhance ADCC/CDC effector functions if in vivo activity is suboptimal .

      • Tumor penetration studies: Employ microfluidic tumor models to assess antibody diffusion rates correlated with molecular size and charge .

Table 1: Comparison of Humanization Strategies for pfd-4 Antibody

MethodSuccess Rate*Avg. Affinity LossImmunogenicity Risk
CDR grafting only35%60-80%High
CDR + Vernier zone72%10-30%Moderate
ML-guided framework89%<5%Low
*Success rate defined as >90% antigen binding retention post-humanization .

Table 2: Force Field Parameters in CDR Design

ParameterAMBER99sbCHARMM36Rosetta
Van der Waals weight1.21.00.8
ElectrostaticsGB/SA implicitPME explicitDistance-dependent
Sampling efficiencyModerateHighLow
Adapted from force-guided sampling benchmarks .

Key Research Challenges

  • Epitope occlusion: For targets like HER2/neu (p185), steric hindrance from glycosylation may require glycoengineering of the antigen for accurate binding assays .

  • Affinity-thermodynamics trade-off: High-affinity pfd-4 variants may exhibit unfavorable entropy changes; use isothermal titration calorimetry (ITC) to balance ΔH/ΔS contributions .

Quick Inquiry

Personal Email Detected
Please use an institutional or corporate email address for inquiries. Personal email accounts ( such as Gmail, Yahoo, and Outlook) are not accepted. *
© Copyright 2025 TheBiotek. All Rights Reserved.