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Structural Basis for Isozyme-specific Regulation of Electron Transfer in Nitric-oxide Synthase*[boxs]
Three nitric-oxide synthase (NOS) isozymes play crucial, but distinct, roles in neurotransmission, vascular homeostasis, and host defense, by catalyzing Ca2+/calmodulin-triggered NO synthesis. Here,Expand
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Anchored plasticity opens doors for selective inhibitor design in nitric oxide synthase
Nitric oxide synthase (NOS) enzymes synthesize nitric oxide, a signal for vasodilatation and neurotransmission at low levels, and a defensive cytotoxin at higher levels. The high active-siteExpand
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The Three Nitric-oxide Synthases Differ in Their Kinetics of Tetrahydrobiopterin Radical Formation, Heme-Dioxy Reduction, and Arginine Hydroxylation*
The nitric-oxide synthases (NOSs) make nitric oxide and citrulline from l-arginine. How the bound cofactor (6R)-tetrahydrobiopterin (H4B) participates in Arg hydroxylation is a topic of interest. WeExpand
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Structure of the [Nife] Hydrogenase Active Site: Evidence for Biologically Uncommon Fe Ligands
Crystallographic data on the [NiFe] hydrogenase from Desulfovibrio gigas are presented that provide new information on the structure and mode of action of its dihydrogen activating metal center.Expand
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DNA apurinic-apyrimidinic site binding and excision by endonuclease IV
Escherichia coli endonuclease IV is an archetype for an abasic or apurinic-apyrimidinic endonuclease superfamily crucial for DNA base excision repair. Here biochemical, mutational andExpand
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Conformational changes in nitric oxide synthases induced by chlorzoxazone and nitroindazoles: crystallographic and computational analyses of inhibitor potency.
Nitric oxide is a key signaling molecule in many biological processes, making regulation of nitric oxide levels highly desirable for human medicine and for advancing our understanding of basicExpand
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C-terminal Tail Residue Arg1400 Enables NADPH to Regulate Electron Transfer in Neuronal Nitric-oxide Synthase*
The neuronal nitric-oxide synthase (nNOS) flavoprotein domain (nNOSr) contains regulatory elements that repress its electron flux in the absence of bound calmodulin (CaM). The repression alsoExpand
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GAPDH as a model non-canonical AU-rich RNA binding protein.
  • E. Garcin
  • Biology, Medicine
  • Seminars in cell & developmental biology
  • 1 February 2019
Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) plays a key role in glycolysis but is also known for its involvement in a myriad of extra-glycolytic functions. While GAPDH is not the only enzymeExpand
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YC-1 binding to the β subunit of soluble guanylyl cyclase overcomes allosteric inhibition by the α subunit.
Soluble guanylate cyclase (sGC) is a heterodimeric heme protein and the primary nitric oxide receptor. NO binding stimulates cyclase activity, leading to regulation of cardiovascular physiology andExpand
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Interfacial Residues Promote an Optimal Alignment of the Catalytic Center in Human Soluble Guanylate Cyclase: Heterodimerization Is Required but Not Sufficient for Activity
Soluble guanylate cyclase (sGC) plays a central role in the cardiovascular system and is a drug target for the treatment of pulmonary hypertension. While the three-dimensional structure of sGC isExpand
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