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AtFH binds and modulates Nfs1 kinetics in mitochondria.
NFS1 has a role in mediating the assembly of iron-sulfur clusters in mitochondria.
CpNifS was sufficient for Fe-S cluster formation in ferredoxin in the presence of cysteine and a ferrous iron salt. [CpNifS]
overexpression of this plant NifS-like protein had a pronounced effect on plant Se metabolism
CpNifS is necessary for the maturation of all plastidic Fe-S proteins and, thus, essential for plant growth
human NFS1 was almost fully able to complement the role of IscS in Moco biosynthesis when its specific interaction partner protein MOCS3 (显示 MOCS3 ELISA试剂盒) from humans was also present.
The NFS1/ISD11 (显示 LYRM4 ELISA试剂盒) complex further interacts with scaffold protein (显示 HOMER1 ELISA试剂盒) ISCU (显示 ISCU ELISA试剂盒) and regulator protein frataxin (显示 FXN ELISA试剂盒), thereby forming a quaternary complex for Fe-S cluster formation.
FDX1 (显示 FDX1 ELISA试剂盒) and FDX2 (显示 FDX1L ELISA试剂盒) both bind NFS1 and donate electrons for iron-sulfur cluster biosynthesis.
Molecular dynamics flexible fitting of protein structures docked into the EM map of the model revealed a [FXN (显示 FXN ELISA试剂盒)(42-210)]24.[NFS1]24.[ISD11 (显示 LYRM4 ELISA试剂盒)]24.[ISCU (显示 ISCU ELISA试剂盒)]24 complex, consistent with the measured 1:1:1:1 stoichiometry of its four components.
Our findings highlight that the ISD11 (显示 LYRM4 ELISA试剂盒) R68A/R68L mutation display reduced affinity to form a stable subcomplex with NFS1, and thereby fails to prevent NFS1 aggregation resulting in impairment of the Fe-S cluster biogenesis
The data presented here show that the Isu1 suppressor mimics the frataxin (显示 FXN ELISA试剂盒) effects on Nfs1, explaining the bypassing activity.
NFS1 binds preferentially to the D-state of ISCU (显示 ISCU ELISA试剂盒) while mtHSP70 (显示 HSPA9 ELISA试剂盒) binds preferentially to the D-state of ISCU (显示 ISCU ELISA试剂盒) and HSC20 binds preferentially to the S-state of ISCU (显示 ISCU ELISA试剂盒).
the interaction of NFS1 and MOCS3 (显示 MOCS3 ELISA试剂盒) in the cytosol of human cells, is reported.
Nfs1, the cysteine desulfurase responsible for providing sulfur for cluster formation, is required for the increased Isu stability occurring after disruption of cluster formation on or transfer from Isu
the cytosolic form of ISCS is a functional cysteine desulfurase that can collaborate with cytosolic ISCU (显示 ISCU ELISA试剂盒) to promote de novo iron-sulfur cluster formation
there is a mechanism that primarily dedicates m-Nfs1 to the biogenesis of mitochondrial Fe-S clusters in order to maintain cell survival
While IFN-gamma (显示 IFNG ELISA试剂盒) alone induced Nfs1 protein instability, LPS (显示 TLR4 ELISA试剂盒) triggered a delayed decline of Nfs1, rather involving transcriptional events or mRNA instability.
Iron-sulfur clusters are required for the function of many cellular enzymes. The proteins encoded by this gene supply inorganic sulfur to these clusters by removing the sulfur from cysteine, creating alanine in the process. This gene uses alternate in-frame translation initiation sites to generate mitochondrial forms and cytoplasmic/nuclear forms. Selection of the alternative initiation sites is determined by the cytosolic pH. The encoded proteins belong to the class-V family of pyridoxal phosphate-dependent aminotransferases. Alternatively spliced transcript variants have been described.
cysteine desulfurase NFS1
, cysteine desulfurase, (m-Nfs1)
, cysteine desulfurase
, NFS1 nitrogen fixation 1 homolog (S. cerevisiae)
, NFS1 nitrogen fixation 1 homolog
, cysteine desulfurase, mitochondrial
, nitrogen fixation 1 (S. cerevisiae, homolog)
, nitrogen-fixing bacteria S-like protein
, nitrogen fixation gene 1
, nifS-like (sic)
, nitrogen fixation gene, yeast homolog 1