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| | ==Crystal structure of Nfs2 C384S mutant, the plastidial cysteine desulfurase from Arabidopsis thaliana== | | ==Crystal structure of Nfs2 C384S mutant, the plastidial cysteine desulfurase from Arabidopsis thaliana== |
| - | <StructureSection load='4q76' size='340' side='right' caption='[[4q76]], [[Resolution|resolution]] 1.90Å' scene=''> | + | <StructureSection load='4q76' size='340' side='right'caption='[[4q76]], [[Resolution|resolution]] 1.90Å' scene=''> |
| | == Structural highlights == | | == Structural highlights == |
| - | <table><tr><td colspan='2'>[[4q76]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Arath Arath]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4Q76 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4Q76 FirstGlance]. <br> | + | <table><tr><td colspan='2'>[[4q76]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Arabidopsis_thaliana Arabidopsis thaliana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4Q76 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4Q76 FirstGlance]. <br> |
| - | </td></tr><tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=LLP:(2S)-2-AMINO-6-[[3-HYDROXY-2-METHYL-5-(PHOSPHONOOXYMETHYL)PYRIDIN-4-YL]METHYLIDENEAMINO]HEXANOIC+ACID'>LLP</scene></td></tr> | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.9Å</td></tr> |
| - | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4q75|4q75]]</td></tr> | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=LLP:(2S)-2-AMINO-6-[[3-HYDROXY-2-METHYL-5-(PHOSPHONOOXYMETHYL)PYRIDIN-4-YL]METHYLIDENEAMINO]HEXANOIC+ACID'>LLP</scene></td></tr> |
| - | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">NFS2, NIFS, At1g08490, T27G7.17 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=3702 ARATH])</td></tr>
| + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4q76 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4q76 OCA], [https://pdbe.org/4q76 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4q76 RCSB], [https://www.ebi.ac.uk/pdbsum/4q76 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4q76 ProSAT]</span></td></tr> |
| - | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4q76 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4q76 OCA], [http://pdbe.org/4q76 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4q76 RCSB], [http://www.ebi.ac.uk/pdbsum/4q76 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4q76 ProSAT]</span></td></tr> | + | |
| | </table> | | </table> |
| | == Function == | | == Function == |
| - | [[http://www.uniprot.org/uniprot/NFS2_ARATH NFS2_ARATH]] Catalyzes the removal of elemental sulfur and selenium atoms from L-cysteine, L-cystine, L-selenocysteine, and L-selenocystine to produce L-alanine. Supplies the inorganic sulfur for iron-sulfur (Fe-S) clusters (By similarity).<ref>PMID:12427997</ref> | + | [https://www.uniprot.org/uniprot/CNIF1_ARATH CNIF1_ARATH] Catalyzes the removal of elemental sulfur and selenium atoms from L-cysteine, L-cystine, L-selenocysteine, and L-selenocystine to produce L-alanine (PubMed:12033984, PubMed:16455656). Supplies the inorganic sulfur for iron-sulfur (Fe-S) clusters (PubMed:15480755, PubMed:17372218). Required for the maturation of all plastidic Fe-S proteins and, thus, essential for plant growth (PubMed:17372218).<ref>PMID:12033984</ref> <ref>PMID:15480755</ref> <ref>PMID:16455656</ref> <ref>PMID:17372218</ref> |
| | <div style="background-color:#fffaf0;"> | | <div style="background-color:#fffaf0;"> |
| | == Publication Abstract from PubMed == | | == Publication Abstract from PubMed == |
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| | </div> | | </div> |
| | <div class="pdbe-citations 4q76" style="background-color:#fffaf0;"></div> | | <div class="pdbe-citations 4q76" style="background-color:#fffaf0;"></div> |
| | + | |
| | + | ==See Also== |
| | + | *[[Cysteine desulfurase 3D structures|Cysteine desulfurase 3D structures]] |
| | + | *[[Selenocysteine lyase|Selenocysteine lyase]] |
| | == References == | | == References == |
| | <references/> | | <references/> |
| | __TOC__ | | __TOC__ |
| | </StructureSection> | | </StructureSection> |
| - | [[Category: Arath]] | + | [[Category: Arabidopsis thaliana]] |
| - | [[Category: Didierjean, C]] | + | [[Category: Large Structures]] |
| - | [[Category: Roret, T]] | + | [[Category: Didierjean C]] |
| - | [[Category: Atsufe1]] | + | [[Category: Roret T]] |
| - | [[Category: Chloroplast]]
| + | |
| - | [[Category: Cysteine desulfurase]]
| + | |
| - | [[Category: Transferase]]
| + | |
| Structural highlights
Function
CNIF1_ARATH Catalyzes the removal of elemental sulfur and selenium atoms from L-cysteine, L-cystine, L-selenocysteine, and L-selenocystine to produce L-alanine (PubMed:12033984, PubMed:16455656). Supplies the inorganic sulfur for iron-sulfur (Fe-S) clusters (PubMed:15480755, PubMed:17372218). Required for the maturation of all plastidic Fe-S proteins and, thus, essential for plant growth (PubMed:17372218).[1] [2] [3] [4]
Publication Abstract from PubMed
The chloroplastic Arabidopsis thaliana Nfs2 (AtNfs2) is a group II pyridoxal 5'-phosphate-dependent cysteine desulfurase that is involved in the initial steps of iron-sulfur cluster biogenesis. The group II cysteine desulfurases require the presence of sulfurtransferases such as SufE proteins for optimal activity. Compared with group I cysteine desulfurases, proteins of this group contains a smaller extended lobe harbouring the catalytic cysteine and have a beta-hairpin constraining the active site. Here, two crystal structures of AtNfs2 are reported: a wild-type form with the catalytic cysteine in a persulfide-intermediate state and a C384S variant mimicking the resting state of the enzyme. In both structures the well conserved Lys241 covalently binds pyridoxal 5'-phosphate, forming an internal aldimine. Based on available homologous bacterial complexes, a model of a complex between AtNfs2 and the SufE domain of its biological partner AtSufE1 is proposed, revealing the nature of the binding sites.
X-ray structures of Nfs2, the plastidial cysteine desulfurase from Arabidopsis thaliana.,Roret T, Pegeot H, Couturier J, Mulliert G, Rouhier N, Didierjean C Acta Crystallogr F Struct Biol Commun. 2014 Sep 1;70(Pt 9):1180-5. doi:, 10.1107/S2053230X14017026. Epub 2014 Aug 29. PMID:25195888[5]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
See Also
References
- ↑ Léon S, Touraine B, Briat JF, Lobréaux S. The AtNFS2 gene from Arabidopsis thaliana encodes a NifS-like plastidial cysteine desulphurase. Biochem J. 2002 Sep 1;366(Pt 2):557-64. PMID:12033984 doi:10.1042/BJ20020322
- ↑ Ye H, Garifullina GF, Abdel-Ghany SE, Zhang L, Pilon-Smits EA, Pilon M. The chloroplast NifS-like protein of Arabidopsis thaliana is required for iron-sulfur cluster formation in ferredoxin. Planta. 2005 Feb;220(4):602-8. PMID:15480755 doi:10.1007/s00425-004-1388-1
- ↑ Ye H, Abdel-Ghany SE, Anderson TD, Pilon-Smits EA, Pilon M. CpSufE activates the cysteine desulfurase CpNifS for chloroplastic Fe-S cluster formation. J Biol Chem. 2006 Mar 31;281(13):8958-69. Epub 2006 Feb 2. PMID:16455656 doi:http://dx.doi.org/10.1074/jbc.M512737200
- ↑ Van Hoewyk D, Abdel-Ghany SE, Cohu CM, Herbert SK, Kugrens P, Pilon M, Pilon-Smits EA. Chloroplast iron-sulfur cluster protein maturation requires the essential cysteine desulfurase CpNifS. Proc Natl Acad Sci U S A. 2007 Mar 27;104(13):5686-91. PMID:17372218 doi:10.1073/pnas.0700774104
- ↑ Roret T, Pegeot H, Couturier J, Mulliert G, Rouhier N, Didierjean C. X-ray structures of Nfs2, the plastidial cysteine desulfurase from Arabidopsis thaliana. Acta Crystallogr F Struct Biol Commun. 2014 Sep 1;70(Pt 9):1180-5. doi:, 10.1107/S2053230X14017026. Epub 2014 Aug 29. PMID:25195888 doi:http://dx.doi.org/10.1107/S2053230X14017026
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