ArticleProceedings of the National Academy of Sciences of the United States of America2013
Nitric oxide synthase domain interfaces regulate electron transfer and calmodulin activation.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
53 citing papers in PubMed, 98 citations in OpenAlex.
- Regulatory interplay between nitric oxide and heme in redox signaling and inflammation.Redox biology · 2026Review
- Structure and dynamics of a multidomain nitric oxide synthase regulated by a C2 domain.Science advances · 2026Article
- iNOS in Macrophage Polarization: Pharmacological and Regulatory Insights.International journal of molecular sciences · 2025Review
- Detection of a clamp-shaped conformation of a neuronal nitric oxide synthase construct by pulsed EPR.Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry · 2025Article
- Cryo-EM captures the coordination of asymmetric electron transfer through a di-copper site in DPOR.Nature communications · 2025Article
- Analyzing the FMN-heme interdomain docking interactions in neuronal and inducible NOS isoforms by pulsed EPR experiments and conformational distribution modeling.Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry · 2024Article
- Mapping the Intersubunit Interdomain FMN-Heme Interactions in Neuronal Nitric Oxide Synthase by Targeted Quantitative Cross-Linking Mass Spectrometry.Biochemistry · 2024Article
- Probing calmodulin-NO synthase interactions via site-specific infrared spectroscopy: an introductory investigation.Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry · 2024Article
- The good Samaritan glutathione-S-transferase P1: An evolving relationship in nitric oxide metabolism mediated by the direct interactions between multiple effector molecules.Redox biology · 2023Review
- Role of Dietary Polyphenols in the Activity and Expression of Nitric Oxide Synthases: A Review.Antioxidants (Basel, Switzerland) · 2023Review
- Interdomain Interactions Modulate the Active Site Dynamics of Human Inducible Nitric Oxide Synthase.The journal of physical chemistry. B · 2022Article
- Ex Vivo Lung Perfusion with β-Nicotinamide Adenine Dinucleotide (NADAntioxidants (Basel, Switzerland) · 2022Article
- Conformational states and fluctuations in endothelial nitric oxide synthase under calmodulin regulation.Biophysical journal · 2021Article
- Astrocyte Intracellular CaNeurotoxicity research · 2021Article
- Dysregulation of nitric oxide synthases during early and late pathophysiological conditions of diabetes mellitus leads to amassing of microvascular impedement.Journal of diabetes and metabolic disorders · 2021Review
- Medication-related osteonecrosis of the jaw (MRONJ) and eNOS Polymorphisms in multiple myeloma patients: a single center experience.BMC oral health · 2021Article
- Role of Oxidative Stress in Reperfusion following Myocardial Ischemia and Its Treatments.Oxidative medicine and cellular longevity · 2021Review
- An isoform-specific pivot modulates the electron transfer between the flavin mononucleotide and heme centers in inducible nitric oxide synthase.Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry · 2020Article
- NADSignal transduction and targeted therapy · 2020Review
- Heat shock protein 90 enhances the electron transfer between the FMN and heme cofactors in neuronal nitric oxide synthase.FEBS letters · 2020Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
Nitric oxide (NO) produced by NO synthase (NOS) participates in diverse physiological processes such as vasodilation, neurotransmission, and the innate immune response. Mammalian NOS isoforms are homodimers composed of two domains connected by an intervening calmodulin-binding region. The N-terminal oxidase domain binds heme and tetrahydrobiopterin and the arginine substrate. The C-terminal reductase domain binds FAD and FMN and the cosubstrate NADPH. Although several high-resolution structures of individual NOS domains have been reported, a structure of a NOS holoenzyme has remained elusive. Determination of the higher-order domain architecture of NOS is essential to elucidate the molecular underpinnings of NO formation. In particular, the pathway of electron transfer from FMN to heme, and the mechanism through which calmodulin activates this electron transfer, are largely unknown. In this report, hydrogen-deuterium exchange mass spectrometry was used to map critical NOS interaction surfaces. Direct interactions between the heme domain, the FMN subdomain, and calmodulin were observed. These interaction surfaces were confirmed by kinetic studies of site-specific interface mutants. Integration of the hydrogen-deuterium exchange mass spectrometry results with computational docking resulted in models of the NOS heme and FMN subdomain bound to calmodulin. These models suggest a pathway for electron transfer from FMN to heme and a mechanism for calmodulin activation of this critical step.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.