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. 2020 Feb 28;11:165. doi: 10.3389/fmicb.2020.00165

TABLE 2.

Supposed Fe–S cluster biogenesis genes in the cyanobacterium Synechocystis 6803.

Protein name Open reading frame Proposed function Phenotype of mutants References
SUF system
SufR sll0088 Regulatory repressor No visible phenotype Wang et al., 2004; Seki et al., 2006; Shen et al., 2007
SufA slr14l7 Carrier protein, possible iron carrier No visible phenotype Morimoto et al., 2002; Wollenberg et al., 2003; Balasubramanian et al., 2006
SufB Slr0074 Fe-S cluster assembly scaffold Lethal Balasubramanian et al., 2006; Zang et al., 2017
SufC slr0075 Fe-S cluster assembly component, provide energy Lethal Balasubramanian et al., 2006; Zang et al., 2017
SufD slr0076 Fe-S cluster assembly component Lethal Balasubramanian et al., 2006; Zang et al., 2017
SufS Slr0077 Cysteine desulphurase sulphur donor Lethal Seidler et al., 2001; Tirupati et al., 2004; Balasubramanian et al., 2006; Zang et al., 2017
SufE Slr1419 Enhances SufS activity Lethal Balasubramanian et al., 2006; Zang et al., 2017
ISC system
IscR Slr0846 Regulatory represser Not studied Uncharacterized
IscSI str0387 Cysteine desulphurase, sulphur donor No visible phenotype Seidler et al., 2001; Behshad et al., 2004; Tirupati et al., 2004
lscS2 sll0704 Cysteine desulphurase, sulphur donor No visible phenotype Seidler et al., 2001; Tirupati et al., 2004
IscA slr1565 Fe-S cluster assembly scaffold, posible iron donor No visible phenotype Morimoto et al., 2003
HscA sll0170 Mollecular chaperone Not studied Uncharacterized
HscB sll0169 Mollecular chaperone Not studied Uncharacterized
Fdx Slr0148 Electron transfer Not studied Uncharacterized
NIF system
NifU like ssl2667 Fe-S cluster assembly Lethal Nishio and Nakai, 2000; Seidler et al., 2001; Balasubramanian et al., 2006