Table I. Putative interaction partners of AtGRXS17.

The list includes the proteins identified at least four times in 15 independent affinity chromatography experiments with His-tagged AtGRXS17. CY, Cytosol; ER, endoplasmic reticulum; ES, extracellular space; MI, mitochondria; NU, nucleus; PL, plastid; PM, plasma membrane; PX, peroxisome.

Accession No.	Protein Name	Function	Subcellular Localizationa	Sequence Length	Protein Identificationb	Sequence Coveragec
				Amino acids	Times	%
At4g04950	GRXS17	Cell redox homeostasis	CY, NU, PL	488	15	90
At1g50570	Calcium-dependent lipid-binding family protein	Unknown	NU	388	13	68
At3g12480	NF-YC11/NC2α	Transcription factor	CY, MI, NU, PL	293	7	59
At4g25860	Oxysterol-binding protein-related protein 4A	Sterol transport	CY	386	11	56
At3g13460	Calcineurin B-Like-Interacting Protein Kinase1 interacting protein Evolutionarily Conserved C-terminal Region2	Unknown	CY, NU, PL	667	6	52
At2g39960	Microsomal signal peptidase	Peptidase activity	CY, ER, MI, PM	192	5	45
At1g13440	GapC2	Glycolysis	CY, MI, NU, PL, PX	338	9	41
At5g46570	Brassinosteroid-signaling kinase2	Protein phosphorylation	CY, PM	492	5	41
At4g31180	Asp-tRNA ligase-like protein	Aspartyl-tRNA synthetase activity	CY, PL	270	4	31
At5g11870	Alkaline phytoceramidase	Hydrolase activity	ES, MI, PL, PM	270	8	28
At5g54050	Cys/His-rich C1 domain-containing protein	Protein-disulfide reductase activity	ES, NU	580	8	21
At5g20830	Suc synthase1	UDP-glycosyltransferase activity	CY, MI	808	4	19
At1g24510	T-complex protein1 subunit-ε	Chaperone activity	CY, MI, PM	535	6	18
At4g22030	Probable F-box protein	Unknown	CY, MI, PL	626	5	12

^aSubcellular localization predicted by the BAR Cell eFP Browser.

^bProteins were identified because of the presence of their peptides in the indicated number of experiments.

^cIdentified peptides with a MOWSE score higher than 15 were used to calculate the total sequence coverage.