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Protein Interaction Studies and Fluorescence Analysis
Research Guide
What is Protein Interaction Studies and Fluorescence Analysis?
Protein Interaction Studies and Fluorescence Analysis is a research field that employs fluorescence spectroscopy alongside crystallographic analysis and molecular docking to examine protein-ligand binding specificity, particularly in human serum albumin, for insights into drug interactions and therapeutic mechanisms.
This field totals 31,875 works focused on structural and functional aspects of protein binding. Techniques such as fluorescence spectroscopy, crystal structure analysis, and molecular docking investigate drug interactions, antioxidant properties, fatty acid binding, and plasma protein binding. Studies target molecular mechanisms of protein-ligand interactions with implications for drug development.
Topic Hierarchy
Research Sub-Topics
Fluorescence Spectroscopy Protein-Ligand Binding
This sub-topic uses fluorescence quenching and anisotropy to quantify binding affinities and conformational changes in protein-ligand complexes, especially serum albumin. Researchers apply site-specific probes and FRET to map interaction sites.
Human Serum Albumin Crystal Structures
This sub-topic determines X-ray crystallographic structures of human serum albumin with diverse ligands, revealing binding pockets Sudlow I and II. Researchers analyze fatty acid, drug, and hormone binding modes at atomic resolution.
Molecular Docking Serum Albumin Interactions
This sub-topic employs computational docking simulations to predict binding poses and affinities of compounds to serum albumin. Researchers validate docking protocols against experimental data and apply to virtual screening.
Fatty Acid Binding to Human Serum Albumin
This sub-topic investigates the multiple fatty acid binding sites on human serum albumin and their physiological roles in lipid transport. Researchers study competition with drugs and allosteric effects using biophysical assays.
Plasma Protein Binding Drug Development
This sub-topic examines plasma protein binding's impact on drug efficacy, distribution, and clearance in pharmacokinetics. Researchers develop prediction models and assess binding for oral bioavailability optimization.
Why It Matters
Protein interaction studies using fluorescence analysis reveal binding mechanisms in human serum albumin, critical for drug development as shown in "Atomic structure and chemistry of human serum albumin" where He and Carter (1992) detailed its atomic structure, influencing plasma protein binding predictions. "Structure of Serum Albumin" by Carter and Ho (1994) described structural features enabling ligand accommodations, directly impacting fatty acid and drug binding assessments in therapeutics. These insights support oral bioavailability analysis, as Veber et al. (2002) in "Molecular Properties That Influence the Oral Bioavailability of Drug Candidates" analyzed over 1100 drug candidates in rats, linking reduced molecular flexibility to improved bioavailability affected by protein binding.
Reading Guide
Where to Start
"Atomic structure and chemistry of human serum albumin" by He and Carter (1992) provides the foundational atomic resolution of serum albumin structure, essential for understanding binding sites before exploring fluorescence or docking techniques.
Key Papers Explained
"Atomic structure and chemistry of human serum albumin" by He and Carter (1992) establishes the core atomic structure, which Carter and Ho (1994) expand in "Structure of Serum Albumin" to detail domain organizations for ligand binding. Munson and Rodbard (1980) complement this in "LIGAND: A versatile computerized approach for characterization of ligand-binding systems" with quantitative analysis tools applicable to fluorescence data from these structures. Veber et al. (2002) in "Molecular Properties That Influence the Oral Bioavailability of Drug Candidates" build on these by linking binding properties to drug outcomes from 1100 candidates.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Research continues on biophysical studies of serum albumin for drug interactions, fatty acid binding, and antioxidant properties using fluorescence spectroscopy and molecular docking, as reflected in the 31,875 works without specified recent preprints or news.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | LIGAND: A versatile computerized approach for characterization... | 1980 | Analytical Biochemistry | 8.5K | ✕ |
| 2 | Molecular Properties That Influence the Oral Bioavailability o... | 2002 | Journal of Medicinal C... | 7.7K | ✕ |
| 3 | The preparation and chemical characteristics of hemoglobin-fre... | 1963 | Archives of Biochemist... | 4.4K | ✕ |
| 4 | Aggregation of Blood Platelets by Adenosine Diphosphate and it... | 1962 | Nature | 4.3K | ✕ |
| 5 | Noble Metals on the Nanoscale: Optical and Photothermal Proper... | 2008 | Accounts of Chemical R... | 4.1K | ✕ |
| 6 | How to measure and predict the molar absorption coefficient of... | 1995 | Protein Science | 3.9K | ✓ |
| 7 | Atomic structure and chemistry of human serum albumin | 1992 | Nature | 3.8K | ✕ |
| 8 | Molecular weight estimation of polypeptide chains by electroph... | 1967 | Biochemical and Biophy... | 3.8K | ✕ |
| 9 | Shell-isolated nanoparticle-enhanced Raman spectroscopy | 2010 | Nature | 3.4K | ✕ |
| 10 | Structure of Serum Albumin | 1994 | Advances in protein ch... | 3.1K | ✕ |
Frequently Asked Questions
What techniques are used in protein interaction studies with fluorescence analysis?
Fluorescence spectroscopy, crystallographic analysis, and molecular docking characterize ligand-binding systems in proteins like human serum albumin. These methods assess drug interactions, antioxidant properties, and fatty acid binding. The field encompasses biophysical studies on plasma protein binding mechanisms.
How does fluorescence spectroscopy contribute to protein binding research?
Fluorescence spectroscopy measures binding specificity and protein-ligand interactions by detecting changes in emission spectra. It evaluates structural aspects in human serum albumin for drug and fatty acid binding. This technique provides data on molecular mechanisms underlying therapeutic potential.
What is the role of human serum albumin in these studies?
Human serum albumin serves as a primary model for plasma protein binding investigations. "Atomic structure and chemistry of human serum albumin" by He and Carter (1992) resolved its atomic structure, revealing sites for ligand interactions. "Structure of Serum Albumin" by Carter and Ho (1994) outlined domains facilitating drug and fatty acid accommodations.
Which papers provide foundational insights into ligand binding?
"LIGAND: A versatile computerized approach for characterization of ligand-binding systems" by Munson and Rodbard (1980) offers a computational method for analyzing binding data with 8490 citations. It supports quantitative assessment of protein-ligand affinities in fluorescence studies. This tool applies to drug interaction evaluations.
How do these studies impact drug development?
"Molecular Properties That Influence the Oral Bioavailability of Drug Candidates" by Veber et al. (2002) examined over 1100 rat drug candidates, identifying molecular flexibility's role in bioavailability modulated by protein binding. Fluorescence analysis informs such predictions. Insights guide therapeutic design via binding specificity.
What is the current scope of research papers in this field?
The field includes 31,875 works on protein interaction studies and fluorescence analysis. Research covers serum albumin binding, drug interactions, and biophysical properties. Growth data over five years is not specified in available records.
Open Research Questions
- ? How can fluorescence spectroscopy resolve subtle conformational changes in serum albumin during fatty acid binding?
- ? What molecular docking parameters best predict antioxidant interactions with human serum albumin?
- ? Which crystal structure features of serum albumin determine plasma protein binding selectivity for diverse drugs?
- ? How do ligand-binding affinities measured by fluorescence correlate with oral bioavailability in large drug cohorts?
- ? What biophysical factors influence reversibility of protein-ligand interactions in therapeutic contexts?
Recent Trends
The field maintains 31,875 papers on protein interactions and fluorescence analysis, with no specified five-year growth rate.
Focus persists on serum albumin structures from Carter and Ho and He and Carter (1992), alongside ligand characterization via Munson and Rodbard (1980).
1994No recent preprints or news coverage available.
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