PDZD11 Human

PDZ Domain Containing 11 Human Recombinant
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Description

Pathway Associations:

PathwayCorrelationCancer TypeMechanism
Epithelial-Mesenchymal Transition (EMT)PositiveLIHCCo-expressed with E-cadherin (r = 0.54)
Oxidative PhosphorylationPositiveLIHCLinked to NDUFA1 (r = 0.60)
Immune Checkpoint RegulationPositiveEOCCorrelates with PD-1 (r = 0.38)

Disease Associations and Biomarker Potential

Diagnostic Performance in EOC :

MetricValue
Sensitivity81.8%
Specificity67.6%
AUC (ROC curve)0.764

In LIHC, high PDZD11 mRNA levels correlate with:

  • TNM stage III/IV (p = 0.007)

  • Vascular invasion (p = 0.012)

  • AFP levels >300 ng/mL (p = 0.034)

Immune System Interactions

PDZD11 modulates tumor immune microenvironments:

  • Immune Infiltration:

    Immune Cell TypeCorrelation CoefficientPrognostic Impact
    CD4+ T cellsr = 0.42Reduced survival
    M2 macrophagesr = 0.38Reduced survival
    Neutrophilsr = -0.29Improved survival
  • Checkpoint Associations: Strong correlations with TIGIT (r = 0.51), TIM3 (r = 0.47), and CTLA4 (r = 0.43) in EOC .

Research Applications and Future Directions

Current applications focus on:

  1. Mechanistic studies of ADAM10-mediated Notch signaling

  2. Biomarker validation in liquid biopsies

  3. Therapeutic targeting of PDZD11-PLEKHA7 interactions

Key unanswered questions include:

  • Paradoxical reduction in lymphatic metastasis despite poor prognosis in EOC

  • Tissue-specific variation in mRNA/protein expression ratios

  • Functional consequences of p53-mediated transcriptional regulation

Product Specs

Introduction
PDZ Domain Containing 11 (PDZD11) is a protein found in the cytoplasm of cells. It has a specific region called the PDZ domain, which allows it to interact with other proteins. PDZD11 is similar to proteins in the MALS/VELIS family. Its PDZ domain likely binds to the end of other proteins, facilitating interactions. Found throughout the body, PDZD11 helps direct calcium and copper ATPases (proteins involved in transporting calcium and copper) to the outer membrane of cells. It transiently interacts with specific forms of PMCA (Plasma Membrane Calcium ATPase), influencing their movement to and from the cell membrane.
Description
This product consists of the human PDZD11 protein manufactured in E. coli bacteria. It is a single chain of 163 amino acids (specifically amino acids 1 to 140), with a molecular weight of 18.5 kDa. The protein lacks any sugar modifications (non-glycosylated). For purification and detection purposes, a 23 amino acid His-tag is attached to the end of the PDZD11 protein.
Physical Appearance
A clear, colorless liquid that has been sterilized by filtration.
Formulation
The PDZD11 protein is provided in a solution at a concentration of 0.5 mg/ml. The solution contains: 20mM Tris-HCl buffer (pH 8.0), 0.15M NaCl, 20% glycerol, and 1mM DTT.
Stability
For short-term storage (up to 4 weeks), keep the product refrigerated at 4°C. For long-term storage, freeze the product at -20°C. To preserve protein integrity during long-term storage, consider adding a carrier protein (0.1% HSA or BSA). Avoid repeated freezing and thawing of the product.
Purity
The purity of the PDZD11 protein is over 90%, as determined by SDS-PAGE analysis.
Synonyms
PDZ domain-containing protein 11, ATPase-interacting PDZ protein, Plasma membrane calcium ATPase-interacting single-PDZ protein, PMCA-interacting single-PDZ protein, PDZD11, AIPP1, PDZK11, PISP.
Source
Escherichia Coli.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMDSRIPY DDYPVVFLPA YENPPAWIPP HERVHHPDYN NELTQFLPRT ITLKKPPGAQ LGFNIRGGKA SQLGIFISKV IPDSDAHRAG LQEGDQVLAV NDVDFQDIEH SKAVEILKTA REISMRVRFF PYNYHRQKER TVH.

Product Science Overview

Introduction to PDZ Domains

PDZ domains are common structural domains found in signaling proteins across various species, including bacteria, yeast, plants, viruses, and animals . These domains are typically composed of 80-90 amino acids and play a crucial role in anchoring receptor proteins in the membrane to cytoskeletal components . PDZ domains are named after the first three proteins discovered to share this domain: post-synaptic density protein (PSD95), Drosophila disc large tumor suppressor (Dlg1), and zonula occludens-1 protein (zo-1) .

Structure and Function

PDZ domains are small, modular entities consisting of 5 or 6 β-strands and 2 or 3 α-helical structures . They typically recognize the extreme C-termini of target proteins, but some also recognize internal sequence motifs through a single binding site on the domains . These domains are involved in various biological processes, including transport, ion channel signaling, and other signal transduction systems .

PDZ Domain Containing 11 (PDZD11)

PDZ Domain Containing 11 (PDZD11) is a protein-coding gene associated with several diseases, including Non-Syndromic X-Linked Intellectual Disability 23 and Epidermolysis Bullosa, Junctional 1B, Severe . PDZD11 is involved in pathways related to the metabolism of water-soluble vitamins and cofactors, as well as the innate immune system .

Human Recombinant PDZD11

Human recombinant PDZD11 refers to the protein produced through recombinant DNA technology, which involves inserting the gene encoding PDZD11 into a suitable expression system to produce the protein in a laboratory setting. This technology allows for the production of large quantities of the protein for research and therapeutic purposes.

Applications and Research

Research on PDZD11 and other PDZ domain-containing proteins has provided significant insights into their roles in cellular and biological processes. Understanding the specificity, selectivity, and regulatory mechanisms of PDZ-mediated interactions can offer important insights into cell proliferation, cell polarity, and the formation and function of signal transduction complexes .

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