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Class of enzymes
types of nitrogenase found in various nitrogen-fixing bacteria: molybdenum (Mo) nitrogenase, vanadium (V) nitrogenase, and iron-only (Fe) nitrogenase. Molybdenum
Nitrogenase
Enzyme necessary for the process of nitrogen fixation
Vanadium nitrogenase is a key enzyme for nitrogen fixation found in nitrogen-fixing bacteria, and is used as an alternative to molybdenum nitrogenase
Vanadium_nitrogenase
Chemical element with atomic number 23 (V)
R-Br + H2O + OH− A vanadium nitrogenase is used by some nitrogen-fixing micro-organisms, such as Azotobacter. In this role, vanadium serves in place of
Vanadium
Bacteria and archaea producing ammonia
and Azospirillum. All diazotrophs contain iron-molybdenum or iron-vanadium nitrogenase systems, and two of the most studied systems are those of Klebsiella
Diazotroph
Genus of bacteria
(1988). "Molybdenum and vanadium nitrogenases of Azotobacter chroococcum. Low temperature favours N2 reduction by vanadium nitrogenase". Biochemical Journal
Azotobacter
Conversion of dinitrogen into ammonia
molybdenum-dependent nitrogenase, followed by closely related nitrogenase reductases (component II) vnfH and anfH representing vanadium-dependent and iron-only
Nitrogen_fixation
Protein that contains a metal ion cofactor
Some species of bacteria and archaea have also been shown to have Vanadium nitrogenases, which contain a VFe3S4 cluster and allows for an alternative pathway
Metalloprotein
Chemical reactions that convert carbon monoxide and hydrogen into liquid hydrocarbons
S2CID 93561811. Lee, Chi Chung; Hu, Yilin; Ribbe, Markus W. (2010-08-06). "Vanadium Nitrogenase Reduces CO". Science. 329 (5992): 642. Bibcode:2010Sci...329..642L
Fischer–Tropsch_process
American-born chemist
to identify the central carbon atom in FeMo cofactor of Nitrogenase (see section Nitrogenase). The DeBeer group is actively involved in the development
Serena_DeBeer
Exchange of vanadium between continental crust and seawater
in alternative nitrogenases. Schlesinger, William H.; Klein, Emily M.; Vengosh, Avner (2017). "Global biogeochemical cycle of vanadium". Proceedings of
Vanadium_cycle
American bioinorganic chemist
synthesis of iron-sulfur cluster compounds, which mimic the FeMo-cofactor of nitrogenase. She then moved to Harvard University for graduate studies, and there
Julie_Kovacs
Panamanian bryologist and lichenologist
"Complete genomes of symbiotic cyanobacteria clarify the evolution of vanadium-nitrogenase." Genome biology and evolution 11.7 (2019): 1959-1964. Horwath, Aline
Noris_Salazar_Allen
Chemical compound
after hydrogenation. This study was motivated after finding vanadium-containing nitrogenase, which needed a better understanding of the activation of dinitrogen
Trimesitylvanadium
Coordination complex containing an oxo ligand
their synthetic chemistry, and also in their biological role (aside from nitrogenase). The biologically transported species and starting point for biosynthesis
Transition_metal_oxo_complex
English microbiologist
nitrogen fixer and the discovery in that microbe of a second nitrogenase containing vanadium in place of molybdenum alongside the regular one; the elucidation
John Postgate (microbiologist)
John_Postgate_(microbiologist)
American chemist
Postgate, John R. (24 July 1986). "The alternative nitrogenase of Azotobacter chroococcum is a vanadium enzyme". Nature. 322 (6077): 388–390. Bibcode:1986Natur
Vincent_L._Pecoraro
Non-protein chemical compound or metallic ion
organisms require additional metals as enzyme cofactors, such as vanadium in the nitrogenase of the nitrogen-fixing bacteria of the genus Azotobacter, tungsten
Cofactor_(biochemistry)
PMID 7796265. S2CID 21986822. Vanadium K-edge X-ray absorption spectrum of the VFe protein of the vanadium nitrogenase of Azotobacter chroococcum [(1987)
S._Samar_Hasnain
Species of bacterium
palustris has the unique characteristic of encoding for a vanadium-containing nitrogenase. It produces, as a byproduct of nitrogen fixation, three times
Rhodopseudomonas_palustris
Metalloprotein that binds with oxygen
containing oxygen-binding protein. The specific enzyme protected is nitrogenase, which is unable to reduce nitrogen gas in the presence of free oxygen
Hemoglobin
Chemical element with atomic number 42 (Mo)
is a component in most nitrogenases. Among molybdoenzymes, nitrogenases are unique in lacking the molybdopterin. Nitrogenases catalyze the production
Molybdenum
Chemical elements essential for life
although differences exist. For example, legumes host molybdenum-containing nitrogenase, but animals do not. Many animals rely on hemoglobin (Fe) for oxygen
Mineral_(nutrient)
Coordination compounds with N2
probably occurs via the binding of N2 to those metal centers in the enzyme nitrogenase, followed by a series of steps that involve electron transfer and protonation
Transition metal dinitrogen complex
Transition_metal_dinitrogen_complex
Study of the chemical elements and compounds necessary for normal plant life
nitrate reductase enzyme (needed for the reduction of nitrate) and the nitrogenase enzyme (required for biological nitrogen fixation). Reduced productivity
Plant_nutrition
Portuguese chemical engineer (born 1949)
peroxidases, particulate methanemonooxygenase, nitrile hydratases and nitrogenases), alternatives for industrial processes and new types of molecular activation
Armando_J._L._Pombeiro
Biogeochemical cycle by which nitrogen is converted into various chemical forms
by the activity of molybdenum (Mo)-nitrogenase, found in a wide variety of bacteria and some Archaea. Mo-nitrogenase is a complex two-component enzyme
Nitrogen_cycle
Chemical element with atomic number 26 (Fe)
required for life. The iron–sulfur clusters are pervasive and include nitrogenase, the enzymes responsible for biological nitrogen fixation. Iron-containing
Iron
Biogeochemical cycle of Fe2+/Fe3+
component of hemoglobin, important to nitrogen fixation as part of the Nitrogenase enzyme family, and as part of the iron-sulfur core of ferredoxin it facilitates
Iron_cycle
magnesium, calcium, and zinc) and minor (cobalt, nickel, molybdenum, tungsten, vanadium, and early lanthanides) metal ions have become aligned with living organisms
Evolution of metal ions in biological systems
Evolution_of_metal_ions_in_biological_systems
Chemical element with atomic number 7 (N)
central metal cation, illustrate how N2 might bind to the metal(s) in nitrogenase and the catalyst for the Haber process: these processes involving dinitrogen
Nitrogen
Chemical element with atomic number 16 (S)
which serve as electron shuttles in cells. In bacteria, the important nitrogenase enzymes contain an Fe–Mo–S cluster and is a catalyst that performs the
Sulfur
Hydrogen exchange between the living and non-living world
metabolisms produce or consume H2. Hydrogen is produced by hydrogenases and nitrogenases enzymes in many microorganisms, some of which are being studied for their
Hydrogen_cycle
Environmental impact of agricultural and industrial nitrogen
discharges. Utilizing a large amount of metabolic energy and the enzyme nitrogenase, some bacteria and cyanobacteria convert atmospheric N2 to NH3, a process
Human impact on the nitrogen cycle
Human_impact_on_the_nitrogen_cycle
component of hemoglobin, important to nitrogen fixation as part of the Nitrogenase enzyme family, and as part of the iron-sulfur core of ferredoxin it facilitates
Marine_biogeochemical_cycles
18.6.1, nitrogenase EC 1.18.3.1: Now EC 1.12.7.2, ferredoxin hydrogenase EC 1.18.6.1: nitrogenase EC 1.18.6.2: vanadium-dependent nitrogenase EC 1.18
List_of_EC_numbers_(EC_1)
VANADIUM NITROGENASE
VANADIUM NITROGENASE
Surname or Lastname
Scottish and Irish
Scottish and Irish : reduced form of McNay.English : variant of Nye.French : habitational name from places so called in Manche and Pyrénées Atlantiques, possibly named with Latin Nadium, from a Gaulish personal name, Nadius.Dutch : metonymic occupational name for a tailor or embroiderer, from a derivative of naaien ‘to sew’.Jewish (Ashkenazic) : Yiddish equivalent of German Neu.
VANADIUM NITROGENASE
VANADIUM NITROGENASE
Boy/Male
Arabic, Muslim
Faithful
Girl/Female
Hindu, Indian
Vidya means Knowledge and Lakshmi is Goddess Lakshmi
Girl/Female
Tamil
Dhoshinee | தோஷீநீ
Girl/Female
British, English, Gaelic
The Long Field; Pledge
Boy/Male
Indian
Unique, No one like him, Non duality
Girl/Female
Muslim
Safe. Mild.
Girl/Female
American, Australian, British, Chinese, Christian, Danish, English, French, German, Hindu, Indian, Italian, Latin, Marathi, Portuguese
Crowned with Laurels; Sweet Bay Tree Symbolic of Honor and Victory; Kingdom of Loather; Sweet Bay Tree
Surname or Lastname
English
English : of uncertain origin. Perhaps an altered form of Griswold or Creswell. In the U.S. it is found chiefly in GA.
Female
Hebrew
 Variant spelling of Hebrew Leah, LEA means "weary." Compare with another form of Lea.
Boy/Male
Hindu, Indian
God of Kings
VANADIUM NITROGENASE
VANADIUM NITROGENASE
VANADIUM NITROGENASE
VANADIUM NITROGENASE
VANADIUM NITROGENASE
a.
Pertaining to, or designating, an acid of vanadium, analogous to pyrophosphoric acid.
a.
Of or pertaining to vanadium; obtained from vanadium; -- said of an acid containing one equivalent of vanadium and two of oxygen.
a.
Of, pertaining to, or designating, a vanadic acid analogous to metaphosphoric acid.
n.
A dark green amorphous dyestuff, produced by the oxidation of aniline in the presence of copper or vanadium salts; -- called also aniline black.
n.
A salt of vanadic acid.
n.
A genus of aroideous plants, of which some species are cultivated for their immense leaves (which are often curiously blotched with white and red), and others (in Polynesia) for food.
a.
Pertaining to, or containing, vanadium; specifically, designating those compounds in which vanadium has a lower valence as contrasted with the vanadic compounds; as, vanadious acid.
n.
A green micaceous mineral occurring in minute scales. It is essentially a silicate of aluminia and potash containing vanadium.
n.
A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now more commonly called niobium.
n.
An aroid plant (Caladium sagittaefolium), the leaves of which are boiled and eaten in the West Indies.
n.
A fragrant gum resin obtained chiefly from tropical trees of the genera Amyris and Canarium. A. elemifera yields Mexican elemi; C. commune, the Manila elemi. It is used in the manufacture of varnishes, also in ointments and plasters.
a.
Pertaining to, or obtained from, vanadium; containing vanadium; specifically distinguished those compounds in which vanadium has a relatively higher valence as contrasted with the vanadious compounds; as, vanadic oxide.
n.
The hypothetical radical VO, regarded as a characterized residue of certain vanadium compounds.
n.
A name originally given (from its red acid) to the metal vanadium.
n.
A rare element of the nitrogen-phosphorus group, found combined, in vanadates, in certain minerals, and reduced as an infusible, grayish-white metallic powder. It is intermediate between the metals and the non-metals, having both basic and acid properties. Symbol V (or Vd, rarely). Atomic weight 51.2.
n.
Pledge; security; bail. See Mortgage.
n.
A salt of vanadious acid, analogous to a nitrite or a phosphite.