PBRP1 Antibody

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Product Specs

Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M Phosphate Buffered Saline (PBS), pH 7.4
Form
Liquid
Lead Time
Made-to-order (14-16 weeks)
Synonyms
PBRP1 antibody; PBRP antibody; At4g36650 antibody; C7A10.710 antibody; Plant-specific TFIIB-related protein 1 antibody; Plant-specific TFIIB-related protein antibody; AtPBRP antibody; TFIIB-related protein PBRP1 antibody
Target Names
PBRP1
Uniprot No.

Target Background

Function
PBRP1 is a plant-specific TFIIB-related protein that may participate in an intracellular signaling pathway between plastids and the nucleus. It is thought to function as a general transcription factor (GTF) in RNA polymerase I-dependent transcription and rRNA synthesis. PBRP1 forms a ternary complex with TBP2 and the rDNA promoter region.
Database Links

KEGG: ath:AT4G36650

STRING: 3702.AT4G36650.1

UniGene: At.48945

Subcellular Location
Plastid, chloroplast outer membrane; Peripheral membrane protein; Cytoplasmic side. Nucleus.
Tissue Specificity
Widely expressed.

Q&A

FAQs for PBRP1 Antibody Research

Advanced Research Questions

What genetic factors influence host immune recognition of PBRP1 epitopes?

No association was found between HLA-DRB1*/DQB1* alleles and antibody responses to PvRMC-RBP1 in malaria-exposed cohorts .

  • Key finding: 52.9% of individuals lacked detectable antibodies, suggesting non-HLA genetic or environmental factors .

  • Method: Perform PCR-SSO typing for HLA alleles and correlate with IgG reactivity indices .

How can antibody developability challenges be addressed during therapeutic development?

  • Computational prediction: Use tools like the IEDB population coverage calculator to prioritize epitopes with broad HLA compatibility .

  • High-throughput screening: Assess aggregation propensity and solubility early using low-concentration assays (e.g., PEG-induced precipitation) .

What mechanisms underlie reduced antibody production in PBRP1-deficient models?

Ptbp1 deficiency disrupts RNA splicing required for:

  • Plasma cell differentiation (reduced CD138⁺ cells) .

  • Memory B-cell maintenance (↓ absolute NP-specific IgG1⁺CD38ʰⁱᵍʰ cells) .
    Method: Combine single-cell RNA sequencing with adoptive transfer experiments to map Ptbp1-dependent splicing events .

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