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Showing 25 to 36 of 45 entries
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In vitro and in vivo coupling of Thiocapsa hydrogenase with cyanobacterial and algal electron mediators.

Journal of bioscience and bioengineering

Schnackenberg J, Miyake M, Miyake J, Zorin NA, Asada Y.
PMID: 16232569
J Biosci Bioeng. 1999;88(1):30-4. doi: 10.1016/s1389-1723(99)80171-6.

H2 activation by the oxygen-tolerant hydrogenase from the purple sulfur bacterium Thiocapsa roseopersicina, using electron mediators of cyanobacterial and algal origin, has been demonstrated. Ferredoxins, either from the cyanobacterium Synechococcus PCC7942 or the green alga Scenedesmus obliquus, are capable...

Mossbauer spectroscopic study of functional thermal destruction of iron--sulfur proteins in membranes of thermophilic cyanobacteria synechococcus elongatus .

Biochemistry. Biokhimiia

Aleksandrov AY, Belevich NP, Davletshina LN, Ivanov II, Kaurov YN, Khval'kovskaya EA, Novakova AA, Rubin AB, Semin BK.
PMID: 10187909
Biochemistry (Mosc). 1999 Feb;64(2):181-8.

A mathematical model of the Mossbauer spectrum (80K) of native membranes of Synechococcus elongatus was constructed on the basis of values of the quadruple splitting (Delta) and the isomeric shift (delta) of the iron-containing components of the photosynthetic apparatus...

Three iron-sulfur proteins encoded by three ORFs in chloroplasts and cyanobacteria.

Photosynthesis research

Matsubara H, Oh-Oka H, Takahashi Y, Fujita Y.
PMID: 24301573
Photosynth Res. 1995 Nov;46(1):107-15. doi: 10.1007/BF00020421.

A brief review is presented on the gene products of frxA, frxB and frxC found in chloroplasts. The product of frxA shows high sequence homologies to bacterial 2[4Fe-4S] ferredoxins, but it functions as iron-sulfur centers A and B in...

Expression of Anabaena ferredoxin genes in Escherichia coli.

Plant molecular biology

Böhme H, Haselkorn R.
PMID: 24271199
Plant Mol Biol. 1989 Jun;12(6):667-72. doi: 10.1007/BF00044157.

The genes for ferredoxin from heterocysts (fdx H) and vegetative cells (pet F) of Anabaena sp. strain 7120 were subcloned into plasmid pUC 18/19. Both genes were expressed in Escherichia coli at high levels (≈10% of total protein). Pet...

Differential activities of heterocyst ferredoxin, vegetative cell ferredoxin, and flavodoxin as electron carriers in nitrogen fixation and photosynthesis in Anabaena sp.

Photosynthesis research

Razquin P, Schmitz S, Peleato ML, Fillat MF, Gómez-Moreno C, Böhme H.
PMID: 24306637
Photosynth Res. 1995 Jan;43(1):35-40. doi: 10.1007/BF00029460.

In cyanobacteria an increasing number of low potential electron carriers is found, but in most cases their contribution to metabolic pathways remains unclear. In this work, we compare recombinant plant-type ferredoxins from Anabaena sp. PCC 7120, encoded by the...

Amino acid sequences of heterotrophic and photosynthetic ferredoxins from the tomato plant (Lycopersicon esculentum Mill.).

Photosynthesis research

Kamide K, Sakai H, Aoki K, Sanada Y, Wada K, Green LS, Yee BC, Buchanan BB.
PMID: 24301596
Photosynth Res. 1995 Nov;46(1):301-8. doi: 10.1007/BF00020444.

Several forms (isoproteins) of ferredoxin in roots, leaves, and green and red pericarps in tomato plants (Lycopersicon esculentum Mill.) were earlier identified on the basis of N-terminal amino acid sequence and chromatographic behavior (Green et al. 1991). In the...

FdC1 and Leaf-Type Ferredoxins Channel Electrons From Photosystem I to Different Downstream Electron Acceptors.

Frontiers in plant science

Guan X, Chen S, Voon CP, Wong KB, Tikkanen M, Lim BL.
PMID: 29670639
Front Plant Sci. 2018 Apr 04;9:410. doi: 10.3389/fpls.2018.00410. eCollection 2018.

Plant-type ferredoxins in Arabidopsis transfer electrons from the photosystem I to multiple redox-driven enzymes involved in the assimilation of carbon, nitrogen, and sulfur. Leaf-type ferredoxins also modulate the switch between the linear and cyclic electron routes of the photosystems....

An overview of the factors playing a role in cytochrome P450 monooxygenase and ferredoxin interactions.

Biophysical reviews

Chiliza ZE, Martínez-Oyanedel J, Syed K.
PMID: 32885385
Biophys Rev. 2020 Oct;12(5):1217-1222. doi: 10.1007/s12551-020-00749-7. Epub 2020 Sep 03.

Cytochrome P450 monooxygenases (CYPs/P450s) are heme-thiolate proteins that are ubiquitously present in organisms, including non-living entities such as viruses. With the exception of self-sufficient P450s, all other P450 enzymes need electrons to perform their enzymatic activity and these electrons...

Further characterization of Nostoc verrucosum ferredoxins.

Plant & cell physiology

Shin M, Yokoyama Z, Oshino R, Sukenobu M, Kitazume Y.
PMID: 25385986
Plant Cell Physiol. 1980 Dec;21(8):1681-4. doi: 10.1093/pcp/21.8.1681.

Nostoc verrucosum ferredoxins Fd I and Fd II were found to have different amino acid compositions. Fd I had 98 amino acid residues of Trpo, Lys4, His1, Arg1, Asp14, Thr8, Ser6, Glu14, Pro4, Gly7, Ala10, Cys4, Val5, Met0, Ile6,...

Function and Regulation of Ferredoxins in the Cyanobacterium, Synechocystis PCC6803: Recent Advances.

Life (Basel, Switzerland)

Cassier-Chauvat C, Chauvat F.
PMID: 25387163
Life (Basel). 2014 Nov 07;4(4):666-80. doi: 10.3390/life4040666.

Ferredoxins (Fed), occurring in most organisms, are small proteins that use their iron-sulfur cluster to distribute electrons to various metabolic pathways, likely including hydrogen production. Here, we summarize the current knowledge on ferredoxins in cyanobacteria, the prokaryotes regarded as...

Investigation of the Ferredoxin's Influence on the Anaerobic and Aerobic, Enzymatic H.

Frontiers in bioengineering and biotechnology

Koo J, Cha Y.
PMID: 33718343
Front Bioeng Biotechnol. 2021 Feb 26;9:641305. doi: 10.3389/fbioe.2021.641305. eCollection 2021.

Ferredoxins are metalloproteins that deliver electrons to several redox partners, including [FeFe] hydrogenases that are potentially a component of biological H

Structure and Properties of [Fe(4)S(4){2,6-bis(acylamino)benzenethiolato-S}(4)](2)(-) and [Fe(2)S(2){2,6-bis(acylamino)benzenethiolato-S}(4)](2)(-): Protection of the Fe-S Bond by Double NH.S Hydrogen Bonds.

Inorganic chemistry

Ueyama N, Yamada Y, Okamura Ta, Kimura S, Nakamura A.
PMID: 11666795
Inorg Chem. 1996 Oct 23;35(22):6473-6484. doi: 10.1021/ic9604324.

Iron-sulfur clusters containing a singly or doubly NH.S hydrogen-bonded arenethiolate ligand, [Fe(4)S(4)(S-2-RCONHC(6)H(4))(4)](2)(-) (R = CH(3), t-Bu, CF(3)), [Fe(4)S(4){S-2,6-(RCONH)(2)C(6)H(3)}(4)](2)(-), [Fe(2)S(2)(S-2-RCONHC(6)H(4))(4)](2)(-) (R = CH(3), t-Bu, CF(3)), and [Fe(2)S(2){S-2,6-(RCONH)(2)C(6)H(3)}(4)](2)(-), were synthesized as models of bacterial [4Fe-4S] and plant-type [2Fe-2S] ferredoxins. The X-ray...

Showing 25 to 36 of 45 entries