rdf:type |
|
lifeskim:mentions |
umls-concept:C0003765,
umls-concept:C0013845,
umls-concept:C0018966,
umls-concept:C0023688,
umls-concept:C0023690,
umls-concept:C0205145,
umls-concept:C0205263,
umls-concept:C0392747,
umls-concept:C0443172,
umls-concept:C0449829,
umls-concept:C1167622,
umls-concept:C1514562,
umls-concept:C1533698,
umls-concept:C1880389,
umls-concept:C1883204,
umls-concept:C1883221
|
pubmed:issue |
24
|
pubmed:dateCreated |
1996-8-15
|
pubmed:abstractText |
The electron paramagnetic resonance spectra of the heme domain of inducible nitric oxide synthase (iNOS) demonstrate a close relationship to the corresponding spectra of the neuronal isoform (nNOS). The binding of ligands to the iNOS arginine site perturbs the environment of the high-spin ferriheme in a highly ligand-specific manner. The iNOS forms five-coordinate, high-spin complexes with arginine analogs which are clearly related to the corresponding complexes of nNOS. Studies indicate that the binding of L-arginine, N(omega)-hydroxy-L-arginine (NHA), and N(omega)-methyl-L-arginine (NMA) produces various spectroscopic species closely corresponding to the equivalent complexes of nNOS, while N(omega)-nitro-L-arginine (NNA) binding produces a state which appears intermediate in character between the nNOS NNA and arginine complexes. These spectroscopic studies have permitted the determination of ligand-specific high-spin states which reveal similarities and differences between iNOS and nNOS.
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pubmed:grant |
|
pubmed:language |
eng
|
pubmed:journal |
|
pubmed:citationSubset |
IM
|
pubmed:chemical |
|
pubmed:status |
MEDLINE
|
pubmed:month |
Jun
|
pubmed:issn |
0006-2960
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pubmed:author |
|
pubmed:issnType |
Print
|
pubmed:day |
18
|
pubmed:volume |
35
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
7626-30
|
pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:8672462-Animals,
pubmed-meshheading:8672462-Arginine,
pubmed-meshheading:8672462-Base Sequence,
pubmed-meshheading:8672462-Binding Sites,
pubmed-meshheading:8672462-Cloning, Molecular,
pubmed-meshheading:8672462-DNA Primers,
pubmed-meshheading:8672462-Electron Spin Resonance Spectroscopy,
pubmed-meshheading:8672462-Heme,
pubmed-meshheading:8672462-Isoenzymes,
pubmed-meshheading:8672462-Ligands,
pubmed-meshheading:8672462-Mice,
pubmed-meshheading:8672462-Molecular Sequence Data,
pubmed-meshheading:8672462-Nitric Oxide Synthase,
pubmed-meshheading:8672462-Polymerase Chain Reaction,
pubmed-meshheading:8672462-Protein Conformation,
pubmed-meshheading:8672462-Recombinant Fusion Proteins,
pubmed-meshheading:8672462-Recombinant Proteins
|
pubmed:year |
1996
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pubmed:articleTitle |
Electron paramagnetic resonance spectroscopy of the heme domain of inducible nitric oxide synthase: binding of ligands at the arginine site induces changes in the heme ligation geometry.
|
pubmed:affiliation |
Rensselaer Polytechnic Institute, Troy, New York 12180, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
|