Ferredoxin

From Proteopedia

(Difference between revisions)

Revision as of 07:09, 25 November 2014

Ferredoxin with Fe4S4 cluster complex with cobalt hexamine (PDB code 2z8q)

Drag the structure with the mouse to rotate

Ferredoxin (Fd) is found in chloroplasts which mediates electron transfer and contains an iron-sulfur cluster. It is involved in the photosynthesis process where its iron atoms accept or discharge electrons when they are being oxidized or reduced. The iron-sulfur cluster can contain 2Fe-2S and is termed plant-like or 3Fe-4S or 4Fe-4S clusters. Adrenodoxin (ADR) is a ferredoxin containing a 2Fe-2S group involved in electron transfer from NADPH+ to a cytochrome P-450 in the adrenal gland. Putidaredoxin (PUT) and terpredoxin (TER) are involved in the same reaction in bacteria and contain a 2Fe-2S group.

D14C variant of Pyrococcus furiosus ferredoxin^[1]

Structures of the all cysteinyl coordinated D14C variant of ferredoxin from the hyperthermophilic archaeon Pyrococcus furiosus have been determined for the <-> and forms (). The [4Fe-4S] form diffracted to 1.7 Å and two different types of molecules were found in the crystal (2z8q). They have different crystal packing and intramolecular disulfide bond conformation. The crystal packing reveals a (shown in blue and green) in adjacent asymmetric units, while (shown in red and yellow). The while the intramolecular disulfide bond in the (, molecule A is shown in blue and molecule B in green).

pH dependent equilibrium of D14C [3Fe-4S] P. furiosus ferredoxin between protonated and deprotonated monomers and formation of a disulfide bonded dimer from deprotonated monomers. Fd is short for ferredoxin.

Two forms of D14C [3Fe-4S] Pyrococcus furiosus ferredoxin are obtained when purified at pH 8.0: a monomer and a dimer connected by an intermolecular disulfide bond (see static image above). When purified at pH 5.8, only the monomer is obtained. The [3Fe-4S] form diffracted to 2.8 Å resolution and showed only the . Crystal packing in (shown in red and orange), which is the same as (1sj1, shown in blue and cyan) even though the space groups are different (see also corresponding side views for ) and ).

ISC-like [2Fe-2S] ferredoxin (FdxB) dimer from Pseudomonas putida JCM 20004^[2]

Biological iron-sulfur (Fe-S) clusters are functionally versatile, modular prosthetic groups. The electronic structure and the site of iron reduction of these protein-bound cofactors account for the electron transfer function and mechanism. In the present work we have solved the structure of the ISC-like [2Fe-2S] ferredoxin called FdxB from the non-pathogenic gammaproteobacterium Pseudomonas putida JCM 20004 (formerly Pseudomonas ovalis IAM 1002) (3ah7). This FdxB protein contains an adrenodoxin (Adx) like, redox-active [2Fe-2S] cluster, which plays an essential role in the de novo iron-sulfur cluster assembly (ISC) system. It is encoded by the fdxB gene as a constituent of the cognate iscR-iscS1-iscU-iscA-hscB-hscA-fdxB gene cluster for the ISC system (DDBJ-EMBL-GenBank code AB109467). In P. putida the ISC pathway is apparently the sole system for in vivo Fe-S cluster assembly whereas the SUF pathway is missing in the bacterial genome (unlike in Escherichia coli).

The has a βαββαβ fold with the β-grasp/ubiquitin-like fold motif as found in regular eukaryal and bacterial [2Fe-2S] ferredoxins (e.g. 1i7h, 1cje, 1e9m). FdxB is folded into an (α+β) . In the lattice displaying the . Each protomer binds a that is , where the and the . In the , suggesting that a rapid interprotomer electron transfer between them would be unlikely to occur. In the place of the consensus free cysteine usually present near the [2Fe-2S] cluster of ISC-like ferredoxins, FdxB has the Oδ2. Thus, the overall FdxB structural features argue for its primarily electron transfer role in the cognate ISC system, rather than the direct catalytic function.

With the molecular structural frame determined from the FdxB structure, our electron-nuclear double resonance (ENDOR) analysis has allowed to determine the average g_max direction of the reduced FdxB, which is skewed, pointing roughly towards Cys50 Cα and forming an angle of about 27.3 (±4) degrees with the normal of the [2Fe-2S] plane, while the g_int- and g_min-directions are distributed in a plane tilted toward the cluster plane (see image below).

Skewed orientations of the g_max component (red) with respect to the molecular frame of the [2Fe–2S] cluster of FdxB.

The site of reduced iron in the reduced FdxB is the outermost Fe1 site with the low negative spin density, while the innermost Fe2 site with the high positive spin population is the non-reducible iron retaining the Fe3+-valence of a reduced cluster. From a structural point of view, the larger number of polarized (or polarizable) bonds (NH, OH) and the . These results suggest a significant distortion of the electronic structure of the reduced [2Fe-2S] cluster under the influence of the protein environment around each iron site in general.

Heterometallic [AgFe₃S₄] ferredoxin variants – synthesis, characterization and the first crystal structure of an engineered heterometallic iron-sulfur protein ^[3]

The crystal structure of the Pyrococcus furiosus (Pf) ferredoxin (Fd) D14C variant with the novel [AgFe₃S₄] heterometallic cluster was determined to 1.95 Å resolution (PBD entry 4dhv), being the first reported structure of an engineered heterometallic iron-sulfur protein. The crystal structure of the shows that the (clearly seen on the electron density map), as predicted from previous spectroscopic and electrochemical studies. The heterometal is coordinated to the and to the (residues are coordinated with Fe ions of heterometal), [Fe₄S₄] D14C variant (2z8q, heterometallic [AgFe₃S₄] protein is in cyan and homometallic [Fe₄S₄] is in green) and completing the incomplete cuboidal cluster present in the [Fe₃S₄] WT Pf Fd (PDB: 1sj1) and its D14C (PDB: 3pni) variant (for more details see also "Crystal structures of the all cysteinyl coordinated D14C variant of Pyrococcus furiosus ferredoxin: (4Fe-4S) <-> (3Fe-4S) cluster conversion"). Structure alignment of backbone atoms from the heterometallic [AgFe₃S₄] protein and the homometallic [Fe₄S₄] D14C variant (2z8q) shows , i.e. the root mean square deviation (RMSD) is 0.4 – 0.7 Å, observed due to the alternate conformation of the main chain atoms, flexible loops and small changes at the N- and C-termini (heterometallic [AgFe₃S₄] protein is in cyan and homometallic [Fe₄S₄] is in green). can be seen in the superimposed Fe–S clusters (atom colors corresponding to yellow: S, orange: Fe, gray: Ag) from these two variants, which is due to the presence of the second row transition metal ion (Ag) coordinated to the four S-ligands, i.e. the presence of Ag results in a distorted geometry of the cluster compared to the all-iron arrangement, Ag – S bond lengths compared to Fe – S bonds. However, the S – Ag – S are still close to the expected 90° for a primitive cubic system.

3D structures of ferredoxin

Updated on 25-November-2014

References

↑ Lovgreen MN, Martic M, Windahl MS, Christensen HE, Harris P. Crystal structures of the all-cysteinyl-coordinated D14C variant of Pyrococcus furiosus ferredoxin: [4Fe-4S] <--> [3Fe-4S] cluster conversion. J Biol Inorg Chem. 2011 Apr 12. PMID:21484348 doi:10.1007/s00775-011-0778-7
↑ Iwasaki T, Kappl R, Bracic G, Shimizu N, Ohmori D, Kumasaka T. ISC-like [2Fe-2S] ferredoxin (FdxB) dimer from Pseudomonas putida JCM 20004: structural and electron-nuclear double resonance characterization. J Biol Inorg Chem. 2011 Jun 7. PMID:21647778 doi:10.1007/s00775-011-0793-8
↑ Martic M, Jakab-Simon IN, Haahr LT, Hagen WR, Christensen HE. Heterometallic [AgFe(3)S (4)] ferredoxin variants: synthesis, characterization, and the first crystal structure of an engineered heterometallic iron-sulfur protein. J Biol Inorg Chem. 2013 Feb;18(2):261-76. doi: 10.1007/s00775-012-0971-3. Epub, 2013 Jan 8. PMID:23296387 doi:10.1007/s00775-012-0971-3

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Retrieved from "http://52.214.119.220/wiki/index.php/Ferredoxin"

Categories: Topic Page | Iron

@@ Line 30: / Line 30: @@
 Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
+{{#tree:id=OrganizedByTopic|openlevels=0|
-===2Fe-2S containing ferredoxins===
+*2Fe-2S containing ferredoxins
-[[2kaj]], [[1dox]], [[1doy]] – SyFd +Ga – ''Synechocystis'' – NMR <br />
+**[[2kaj]], [[1dox]], [[1doy]] – SyFd +Ga – ''Synechocystis'' – NMR <br />
-[[3hui]] – Fd – ''Rhodopseudomonas palustris'' <br />
+**[[3hui]] – Fd – ''Rhodopseudomonas palustris'' <br />
-[[1off]] – SyFd  <br />
+**[[1off]] – SyFd  <br />
-[[3gce]] – Fd – ''Nocardioides aromaticivorans'' <br />
+**[[3gce]] – Fd – ''Nocardioides aromaticivorans'' <br />
-[[3lxf]] – Fd – ''Novosphingobium aromaticivorans''<br />
+**[[3lxf]] – Fd – ''Novosphingobium aromaticivorans''<br />
-[[2e4p]], [[2e4q]] - Fd – ''Pseudomonas sp.'' <br />
+**[[2e4p]], [[2e4q]] - Fd – ''Pseudomonas sp.'' <br />
-[[2q3w]], [[1vm9]] - PmFd (mutant) – ''Pseudomonas mendocina'' <br />
+**[[2q3w]], [[1vm9]] - PmFd (mutant) – ''Pseudomonas mendocina'' <br />
-[[2i7f]], [[1uwm]] - RcFd  – ''Rhodobacter capsulatus'' <br />
+**[[2i7f]], [[1uwm]] - RcFd  – ''Rhodobacter capsulatus'' <br />
-[[1e9m]] – RcFd - NMR<br />
+**[[1e9m]] – RcFd - NMR<br />
-[[1rfk]], [[3p63]] - Fd – ''Cyanobacterium'' ''masticogladus laminosus'' <br />
+**[[1rfk]], [[3p63]] - Fd – ''Cyanobacterium'' ''masticogladus laminosus'' <br />
-[[1vck]] - Fd – ''Pseudomonas resinovorans'' <br />
+**[[1vck]] - Fd – ''Pseudomonas resinovorans'' <br />
-[[1wri]], [[1frr]] - Fd – E''quisetum arvense'' <br />
+**[[1wri]], [[1frr]] - Fd – E''quisetum arvense'' <br />
-[[1sjg]] - PmFd– NMR <br />
+**[[1sjg]] - PmFd– NMR <br />
-[[1iue]] - Fd– ''Plasmodium falciparum'' <br />
+**[[1iue]] - Fd– ''Plasmodium falciparum'' <br />
-[[1m2a]] – AeFd – ''Aquifex aeolicu''s <br />
+**[[1m2a]] – AeFd – ''Aquifex aeolicu''s <br />
-[[1m2b]], [[1m2d]], [[1f37]], [[1f5b]], [[1f5c]] – AeFd (mutant) <br />
+**[[1m2b]], [[1m2d]], [[1f37]], [[1f5b]], [[1f5c]] – AeFd (mutant) <br />
-[[1l5p]] – Fd –  ''Trichomonas vaginali''s <br />
+**[[1l5p]] – Fd –  ''Trichomonas vaginali''s <br />
-[[1i7h]] - Fd  – ''Escherichia coli'' <br />
+**[[1i7h]] - Fd  – ''Escherichia coli'' <br />
-[[1czp]], [[1qt9]], [[1frd]], [[1fxa]] - aFd– ''anabaena'' <br />
+**[[1czp]], [[1qt9]], [[1frd]], [[1fxa]] - aFd– ''anabaena'' <br />
-[[1j7a]], [[1j7b]], [[1j7c]] , [[1qoa]], [[1qob]], [[1qof]], [[1qog]]- aFd  (mutant)  <br />
+**[[1j7a]], [[1j7b]], [[1j7c]] , [[1qoa]], [[1qob]], [[1qof]], [[1qog]]- aFd  (mutant)  <br />
-[[1e0z]] – Fd – ''Halobacterium salinarium'' <br />
+**[[1e0z]] – Fd – ''Halobacterium salinarium'' <br />
-[[1e10]] - Fd – ''Halobacterium halobium''<br />
+**[[1e10]] - Fd – ''Halobacterium halobium''<br />
-[[1pfd]] – Fd – ''Petroselinum crispum'' – NMR <br />
+**[[1pfd]] – Fd – ''Petroselinum crispum'' – NMR <br />
-[[1a70]] - Fd  (mutant) – ''Spinacia oleracea'' <br />
+**[[1a70]] - Fd  (mutant) – ''Spinacia oleracea'' <br />
-[[1awd]] - Fd  – ''Chlorella fusca'' <br />
+**[[1awd]] - Fd  – ''Chlorella fusca'' <br />
-[[2cjn]], [[2cjo]], [[1roe]] – SyFd – NMR <br />
+**[[2cjn]], [[2cjo]], [[1roe]] – SyFd – NMR <br />
-[[1rof]] – SyFd – ''Synechococcus elongates'' <br />
+**[[1rof]] – SyFd – ''Synechococcus elongates'' <br />
-[[1doi]] - Fd  – ''Haloarcula marismortui'' <br />
+**[[1doi]] - Fd  – ''Haloarcula marismortui'' <br />
-[[4fxc]] – Fd – ''Spirulina platensi''s <br />
+**[[4fxc]] – Fd – ''Spirulina platensi''s <br />
-[[1fxi]], [[3av8]] – Fd – ''Aphanothece sacrum'' <br />
+**[[1fxi]], [[3av8]] – Fd – ''Aphanothece sacrum'' <br />
-[[3dqy]], [[2qpz]], [[3ah7]] - Fd  – ''Pseudomonas putida'' <br />
+**[[3dqy]], [[2qpz]], [[3ah7]] - Fd  – ''Pseudomonas putida'' <br />
-[[3ab5]], [[3wcq]] – Fd – ''Cyanidioschyzon merolae''<br />
+**[[3ab5]], [[3wcq]] – Fd – ''Cyanidioschyzon merolae''<br />
-[[3b2f]] – mFd – maize<br />
+**[[3b2f]] – mFd – maize<br />
-[[3w5u]], [[3w5v]] – mFd + ferredoxin-NADP reductase<br />
+**[[3w5u]], [[3w5v]] – mFd + ferredoxin-NADP reductase<br />
-[[3b2g]] – Fd – ''Leptolyngbya boryana''
+**[[3b2g]] – Fd – ''Leptolyngbya boryana''
-===4Fe-4S containing ferredoxins ===
+*4Fe-4S containing ferredoxins
-[[3eun]] – AvFd  – ''Allochromatium vinosum'' <br />
+**[[3eun]] – AvFd  – ''Allochromatium vinosum'' <br />
-[[3exy]] - AvFd (mutant) <br />
+**[[3exy]] - AvFd (mutant) <br />
-[[2vkr]] - Fd+Zn – ''Acidianus ambivalens'' <br />
+**[[2vkr]] - Fd+Zn – ''Acidianus ambivalens'' <br />
-[[2z8q]] - PfFd (mutant) – ''Pyrococcus furiosus'' <br />
+**[[2z8q]] - PfFd (mutant) – ''Pyrococcus furiosus'' <br />
-[[1siz]] - PfFd<br >
+**[[1siz]] - PfFd<br >
-[[3pni]] - PfFd (mutant)<br />
+**[[3pni]] - PfFd (mutant)<br />
-[[2fgo]] - Fd– ''Pseudomonas aeruginosa'' <br />
+**[[2fgo]] - Fd– ''Pseudomonas aeruginosa'' <br />
-[[1iqz]], [[1ir0]] - BtFd   – ''Bacillus thermoproteolyticus'' <br />
+**[[1iqz]], [[1ir0]] - BtFd   – ''Bacillus thermoproteolyticus'' <br />
-[[1rgv]] - Fd  – ''Thauera aromatica'' <br />
+**[[1rgv]] - Fd  – ''Thauera aromatica'' <br />
-[[1dax]], [[1dfd]] – DaFd – ''Desulfovibrio africanus'' – NMR <br />
+**[[1dax]], [[1dfd]] – DaFd – ''Desulfovibrio africanus'' – NMR <br />
-[[1fxr]] - DaFd  <br />
+**[[1fxr]] - DaFd  <br />
-[[1vjw]] – Fd – ''Thermotoga maritima'' <br />
+**[[1vjw]] – Fd – ''Thermotoga maritima'' <br />
-[[1dwl]] – Fd – ''Desulfomicrobium norvegicum''<br />
+**[[1dwl]] – Fd – ''Desulfomicrobium norvegicum''<br />
-===3Fe-4S containing ferredoxins===
+*3Fe-4S containing ferredoxins
-[[2v2k]] – Fd – ''Mycobacterium smegmatis'' <br />
+**[[2v2k]] – Fd – ''Mycobacterium smegmatis'' <br />
-[[1wtf]] - BtFd (mutant)  <br />
+**[[1wtf]] - BtFd (mutant)  <br />
-[[1sj1]] - PfFd  <br />
+**[[1sj1]] - PfFd  <br />
-[[1fxd]] - DgFd  – ''Desulfovibrio gigas'' <br />
+**[[1fxd]] - DgFd  – ''Desulfovibrio gigas'' <br />
-[[1f2g]] – DgFd – NMR <br />
+**[[1f2g]] – DgFd – NMR <br />
-[[1xer]] - Fd  – ''Sulfolobus tokodaii'' <br />
+**[[1xer]] - Fd  – ''Sulfolobus tokodaii'' <br />
-===4Fe-4S+3Fe-4S containing ferredoxins===
+*4Fe-4S+3Fe-4S containing ferredoxins
-[[1gao]], [[6fdr]], [[7fd1]], [[7fdr]], [[1axq]], [[6fd1]], [[1frh]], [[1fri]],[[1frj]], [[1frk]], [[1frl]], [[1frm]], [[1fda]], [[1fdb]], [[1fdd]], [[5fd1]], [[1fer]] – AvFd – ''Azotobacter vinelandii'' <br />
+**[[1gao]], [[6fdr]], [[7fd1]], [[7fdr]], [[1axq]], [[6fd1]], [[1frh]], [[1fri]],[[1frj]], [[1frk]], [[1frl]], [[1frm]], [[1fda]], [[1fdb]], [[1fdd]], [[5fd1]], [[1fer]] – AvFd – ''Azotobacter vinelandii'' <br />
-[[1pc4]], [[1pc5]], [[1g6b]], [[1g3o]], [[1ff2]], [[1b0v]], [[1d3w]], [[1b0t]], [[1a6l]], [[1ftc]], [[1frx]], [[2fd2]], [[1fd2]] - AvFd  (mutant)  <br />
+**[[1pc4]], [[1pc5]], [[1g6b]], [[1g3o]], [[1ff2]], [[1b0v]], [[1d3w]], [[1b0t]], [[1a6l]], [[1ftc]], [[1frx]], [[2fd2]], [[1fd2]] - AvFd  (mutant)  <br />
-[[1h98]] – Fd – ''Thermus thermophilus'' <br />
+**[[1h98]] – Fd – ''Thermus thermophilus'' <br />
-[[1a8p]], [[1bd6]], [[1bc6]] - BsFd  – ''Bacillus schlegelii'' – NMR <br />
+**[[1a8p]], [[1bd6]], [[1bc6]] - BsFd  – ''Bacillus schlegelii'' – NMR <br />
-===4Fe-4S+4Fe-4S containing ferredoxins===
+*4Fe-4S+4Fe-4S containing ferredoxins
-[[1dur]] – Fd – ''Peptoniphilus asaccarolyticus'' <br />
+**[[1dur]] – Fd – ''Peptoniphilus asaccarolyticus'' <br />
-[[1bwe]], [[1bqx]] - BsFd  (mutant) – NMR <br />
+**[[1bwe]], [[1bqx]] - BsFd  (mutant) – NMR <br />
-[[2fdn]], [[1fca]] , [[1fdn]]- Fd – ''Clostridium acidi-urici'' <br />
+**[[2fdn]], [[1fca]] , [[1fdn]] - Fd – ''Clostridium acidi-urici'' <br />
-[[1blu]] - Fd – ''Chromatium vinosum'' <br />
+**[[1blu]] - Fd – ''Chromatium vinosum'' <br />
-[[1clf ]]– Fd – ''Clostridium pasteurianum'' – NMR <br />
+**[[1clf]] – Fd – ''Clostridium pasteurianum'' – NMR <br />
-===Adrenoredoxin===
+*Adrenoredoxin
-[[2jqr]] – ADR Fd domain (mutant)+cytochrome c (mutant) – yeast – NMR <br />
+**[[2jqr]] – ADR Fd domain (mutant)+cytochrome c (mutant) – yeast – NMR <br />
-[[2bt6]] – cADR1 modified – cow <br />
+**[[2bt6]] – cADR1 modified – cow <br />
-[[1l6u]], [[1l6v]] – cADR1 – NMR <br />
+**[[1l6u]], [[1l6v]] – cADR1 – NMR <br />
-[[1e6e]] – cADR (mutant)+ADR reductase <br />
+**[[1e6e]] – cADR (mutant)+ADR reductase <br />
-[[1cje]], [[1ayf]] - cADR <br />
+**[[1cje]], [[1ayf]] - cADR <br />
-[[3na0]], [[3n9y]], [[3n9z]], [[3na1]] - hADR +cholesterol side-chain cleavage enzyme – human<br />
+**[[3na0]], [[3n9y]], [[3n9z]], [[3na1]] - hADR +cholesterol side-chain cleavage enzyme – human<br />
-[[3p1m]] - hADR
+**[[3p1m]] - hADR
-===Putidaredoxin===
+*Putidaredoxin
-[[1yji]], [[1yjj]], [[1pdx]] – PpPUT – NMR <br />
+**[[1yji]], [[1yjj]], [[1pdx]] – PpPUT – NMR <br />
-[[3lb8]] – PpPUT (mutant)+PUT reductase <br />
+**[[3lb8]] – PpPUT (mutant)+PUT reductase <br />
-[[1xln]], [[1xlo]], [[1xlp]], [[1xlq]], [[1r7s]], [[1oqq]], [[1oqr]] - PpPUT (mutant) <br />
+**[[1xln]], [[1xlo]], [[1xlp]], [[1xlq]], [[1r7s]], [[1oqq]], [[1oqr]] - PpPUT (mutant) <br />
-[[1gpx]], [[1put]]- PpPUT (mutant) - NMR <br />
+**[[1gpx]], [[1put]]- PpPUT (mutant) - NMR <br />
-[[4jws]] - PpPUT + cytochrome P450cam<br />
+**[[4jws]] - PpPUT + cytochrome P450cam<br />
-[[3w9c]], [[4jwu]] - PpPUT (mutant) + cytochrome P450cam<br />
+**[[3w9c]], [[4jwu]] - PpPUT (mutant) + cytochrome P450cam<br />
-[[2m56]] - PpPUT (mutant) + cytochrome P450cam - NMR<br />
+**[[2m56]] - PpPUT (mutant) + cytochrome P450cam - NMR<br />
-[[4jx1]] - PpPUT (mutant) + cytochrome P450cam + camphor + hydroxycamphor<br />
+**[[4jx1]] - PpPUT (mutant) + cytochrome P450cam + camphor + hydroxycamphor<br />
-===Terpredoxin===
+*Terpredoxin
-[[1b9r]] – TER – ''Pseudomonas'' - NMR <br />
+**[[1b9r]] – TER – ''Pseudomonas'' - NMR <br />
+}}
 ==References==
 <references/>

Ferredoxin

From Proteopedia

Revision as of 07:09, 25 November 2014

D14C variant of Pyrococcus furiosus ferredoxin^[1]

ISC-like [2Fe-2S] ferredoxin (FdxB) dimer from Pseudomonas putida JCM 20004^[2]

Heterometallic [AgFe₃S₄] ferredoxin variants – synthesis, characterization and the first crystal structure of an engineered heterometallic iron-sulfur protein ^[3]

3D structures of ferredoxin

References

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Ferredoxin

From Proteopedia

Revision as of 07:09, 25 November 2014

D14C variant of Pyrococcus furiosus ferredoxin[1]

ISC-like [2Fe-2S] ferredoxin (FdxB) dimer from Pseudomonas putida JCM 20004[2]

Heterometallic [AgFe3S4] ferredoxin variants – synthesis, characterization and the first crystal structure of an engineered heterometallic iron-sulfur protein [3]

3D structures of ferredoxin

References

Proteopedia Page Contributors and Editors (what is this?)

Views

Personal tools

Navigation

Search

Toolbox

D14C variant of Pyrococcus furiosus ferredoxin^[1]

ISC-like [2Fe-2S] ferredoxin (FdxB) dimer from Pseudomonas putida JCM 20004^[2]

Heterometallic [AgFe₃S₄] ferredoxin variants – synthesis, characterization and the first crystal structure of an engineered heterometallic iron-sulfur protein ^[3]