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APL3 APL3 HXK2 HXK2 SUS2 SUS2 HXK1 HXK1 ATHXK4 ATHXK4 PU1 PU1 DPE2 DPE2 SPS3-2 SPS3-2 AMY3 AMY3 SPS1-2 SPS1-2 DSP4-2 DSP4-2 SUS6 SUS6 SPS2-2 SPS2-2 HXK3 HXK3 MEX1 MEX1 BAM1-2 BAM1-2 HKL1 HKL1 DPE1 DPE1 SUS4 SUS4 SBE2.2 SBE2.2 SUS3 SUS3 GBSS1 GBSS1 GWD1 GWD1 PGMP PGMP AAA1 AAA1 PGM2 PGM2 APL4 APL4 LSF2 LSF2 HKL3 HKL3 TRXF1 TRXF1 GAPC2 GAPC2 A0A1P8ARU2 A0A1P8ARU2 SPS4 SPS4 SUS5 SUS5 BAM3 BAM3 PGM3 PGM3 PRK PRK GAPC1 GAPC1 PGIC PGIC SUS1 SUS1 APS1 APS1 ADG2 ADG2 APL2 APL2
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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query proteins and first shell of interactors
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second shell of interactors
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proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
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APL3Glucose-1-phosphate adenylyltransferase large subunit 3, chloroplastic; This protein plays a role in synthesis of starch. It catalyzes the synthesis of the activated glycosyl donor, ADP-glucose from Glc-1-P and ATP. (521 aa)
HXK2Hexokinase-2; Fructose and glucose phosphorylating enzyme. May be involved in the phosphorylation of glucose during the export from mitochondrion to cytosol. Acts as sugar sensor which may regulate sugar-dependent gene repression or activation. Mediates the effects of sugar on plant growth and development independently of its catalytic activity or the sugar metabolism. May regulate the execution of program cell death in plant cells ; Belongs to the hexokinase family. (502 aa)
SUS2Sucrose synthase 2; Sucrose-cleaving enzyme that provides UDP-glucose and fructose for various metabolic pathways. Modulates metabolic homeostasis and directs carbon towards starch synthesis in developing seeds. (807 aa)
HXK1Hexokinase-1; Fructose and glucose phosphorylating enzyme. May be involved in the phosphorylation of glucose during the export from mitochondrion to cytosol. Acts as sugar sensor which may regulate sugar-dependent gene repression or activation. Mediates the effects of sugar on plant growth and development independently of its catalytic activity or the sugar metabolism. May regulate the execution of program cell death in plant cells. Promotes roots and leaves growth. Belongs to the hexokinase family. (496 aa)
ATHXK4Hexokinase-4; Fructose and glucose phosphorylating enzyme (By similarity). May be involved in the phosphorylation of glucose during the export from mitochondrion to cytosol (By similarity). (502 aa)
PU1Pullulanase 1, chloroplastic; Involved in starch degradation and also probably in the trimming of pre-amylopectin chains during starch synthesis. (965 aa)
DPE24-alpha-glucanotransferase DPE2; Cytosolic alpha-glucanotransferase essential for the cytosolic metabolism of maltose, an intermediate on the pathway by which starch is converted to sucrose in leaves at night. Metabolizes maltose exported from the chloroplast and is specific for beta-maltose. May play a role in freezing tolerance. Temperature drop induces inactivation of DPE2 that leads to rapid accumulation of maltose, a solute that protects cells from freezing damage. Belongs to the disproportionating enzyme family. (955 aa)
SPS3-2Probable sucrose-phosphate synthase 3; Plays a role in photosynthetic sucrose synthesis by catalyzing the rate-limiting step of sucrose biosynthesis from UDP- glucose and fructose- 6-phosphate. Involved in the regulation of carbon partitioning in the leaves of plants. May regulate the synthesis of sucrose and therefore play a major role as a limiting factor in the export of photoassimilates out of the leaf. Plays a role for sucrose availability that is essential for plant growth and fiber elongation. (1062 aa)
AMY3Alpha-amylase 3, chloroplastic; Possesses endoamylolytic activity in vitro, but seems not required for breakdown of transitory starch in leaves. May be involved in the determination of the final structure of glucans by shortening long linear phospho-oligosaccharides in the chloroplast stroma. Can act on both soluble and insoluble glucan substrates to release small linear and branched malto-oligosaccharides. Works synergistically with beta-amylase toward efficient starch degradation. Has activity against p-nitrophenyl maltoheptaoside (BPNP-G7), amylopectin and beta-limit dextrin. Involv [...] (887 aa)
SPS1-2Sucrose-phosphate synthase 1; Plays a major role in photosynthetic sucrose synthesis by catalyzing the rate-limiting step of sucrose biosynthesis from UDP- glucose and fructose- 6-phosphate. Involved in the regulation of carbon partitioning in the leaves of plants. May regulate the synthesis of sucrose and therefore play a major role as a limiting factor in the export of photoassimilates out of the leaf. Plays a role for sucrose availability that is essential for plant growth and fiber elongation. Required for nectar secretion. (1043 aa)
DSP4-2Phosphoglucan phosphatase DSP4, chloroplastic; Starch granule-associated phosphoglucan phosphatase involved in the control of starch accumulation. Acts as major regulator of the initial steps of starch degradation at the granule surface. Functions during the day by dephosphorylating the night-accumulated phospho- oligosaccharides. Can release phosphate from both the C6 and the C3 positions, but dephosphorylates preferentially the C6 position. (379 aa)
SUS6Sucrose synthase 6; Sucrose-cleaving enzyme that provides UDP-glucose and fructose for various metabolic pathways. Functions in callose synthesis at the site of phloem sieve elements. (942 aa)
SPS2-2Probable sucrose-phosphate synthase 2; Plays a role in photosynthetic sucrose synthesis by catalyzing the rate-limiting step of sucrose biosynthesis from UDP- glucose and fructose- 6-phosphate. Involved in the regulation of carbon partitioning in the leaves of plants. May regulate the synthesis of sucrose and therefore play a major role as a limiting factor in the export of photoassimilates out of the leaf. Plays a role for sucrose availability that is essential for plant growth and fiber elongation. Required for nectar secretion. (1047 aa)
HXK3Hexokinase-like 1 protein; Fructose and glucose phosphorylating enzyme. Belongs to the hexokinase family. (493 aa)
MEX1Maltose excess protein 1, chloroplastic; Probable maltose transporter. Essential for the conversion of starch to sucrose in leaves at night, probably via the export of maltose from the chloroplast. Required for root cap cells formation. (415 aa)
BAM1-2Beta-amylase 1, chloroplastic; Beta-amylase activity. Can use p-nitrophenyl maltopentaoside (PNPG5) as substrate only in reduced form. Can play a minor role in the starch degradation and maltose metabolism in chloroplasts during the night. More active on phosphorylated glucan. Interacts directly with starch or other alpha-1,4-glucan. (575 aa)
HKL1Hexokinase-3; Fructose and glucose phosphorylating enzyme (By similarity). May be involved in the phosphorylation of glucose during the export from mitochondrion to cytosol (By similarity). (498 aa)
DPE14-alpha-glucanotransferase DPE1, chloroplastic/amyloplastic; Chloroplastic alpha-glucanotransferase involved in maltotriose metabolism. Probably uses maltotriose as substrate to transfer a maltosyl unit from one molecule to another, resulting in glucose and maltopentaose. The latter can then be further metabolized to maltose and maltotriose by beta-amylase. Required for normal starch degradation in leaves; Belongs to the disproportionating enzyme family. (576 aa)
SUS4Sucrose synthase 4; Sucrose-cleaving enzyme that provides UDP-glucose and fructose for various metabolic pathways; Belongs to the glycosyltransferase 1 family. Plant sucrose synthase subfamily. (808 aa)
SBE2.21,4-alpha-glucan-branching enzyme 2-2, chloroplastic/amyloplastic; Catalyzes the formation of the alpha-1,6-glucosidic linkages in starch by scission of a 1,4-alpha-linked oligosaccharide from growing alpha-1,4-glucan chains and the subsequent attachment of the oligosaccharide to the alpha-1,6 position. Belongs to the glycosyl hydrolase 13 family. GlgB subfamily. (805 aa)
SUS3Sucrose synthase 3; Sucrose-cleaving enzyme that provides UDP-glucose and fructose for various metabolic pathways. Modulates metabolic homeostasis and direct carbon towards starch synthesis in developing seeds. (809 aa)
GBSS1Granule-bound starch synthase 1, chloroplastic/amyloplastic; Required for the synthesis of amylose. Destroyed as it is released from the starch granules during the night. The circadian expression is controlled by CCA1 and LHY transcription factors. (610 aa)
GWD1Alpha-glucan water dikinase 1, chloroplastic; Mediates the incorporation of phosphate into starch-like alpha-glucan, mostly at the C-6 position of glucose units. Acts as an overall regulator of starch mobilization. Required for starch degradation, suggesting that the phosphate content of starch regulates its degradability; Belongs to the PEP-utilizing enzyme family. (1399 aa)
PGMPPhosphoglucomutase, chloroplastic; This enzyme participates in both the breakdown and synthesis of glucose; Belongs to the phosphohexose mutase family. (623 aa)
AAA1Katanin p60 ATPase-containing subunit A1; Severs microtubules in vitro in an ATP-dependent manner. This activity may promote rapid reorganization of cellular microtubule arrays. May be required for reorientation of cortical microtubule arrays during cellular elongation. Failure to correctly orient these arrays drastically compromises fiber length, cell wall thickness and mechanical strength. May also be required for the spatial organization of developmental cues within the root. Belongs to the AAA ATPase family. Katanin p60 subunit A1 subfamily. (523 aa)
PGM2Probable phosphoglucomutase, cytoplasmic 2; This enzyme participates in both the breakdown and synthesis of glucose. (585 aa)
APL4Probable glucose-1-phosphate adenylyltransferase large subunit, chloroplastic; This protein plays a role in synthesis of starch. It catalyzes the synthesis of the activated glycosyl donor, ADP-glucose from Glc-1-P and ATP (By similarity); Belongs to the bacterial/plant glucose-1-phosphate adenylyltransferase family. (523 aa)
LSF2Phosphoglucan phosphatase LSF2, chloroplastic; Starch-associated phosphoglucan phosphatase that selectively dephosphorylates the glucan C3 position. Probably participates in the regulation of starch degradation. (282 aa)
HKL3Probable hexokinase-like 2 protein; Fructose and glucose phosphorylating enzyme. (493 aa)
TRXF1Thioredoxin F1, chloroplastic; Thiol-disulfide oxidoreductase involved in the redox regulation of enzymes of both reductive pentose phosphate pathway (Calvin-Benson cycle) and oxidative pentose phosphate pathway. Under light or reducing conditions, activates in chloroplast the glyceraldehyde-3-phosphate dehydrogenase, the phosphoribulokinase and the fructose-1,6-bisphosphate phosphatase, and inhibits the glucose-6- phosphate dehydrogenase. (178 aa)
GAPC2Glyceraldehyde-3-phosphate dehydrogenase GAPC2, cytosolic; Key enzyme in glycolysis that catalyzes the first step of the pathway by converting D-glyceraldehyde 3-phosphate (G3P) into 3- phospho-D-glyceroyl phosphate. Essential for the maintenance of cellular ATP levels and carbohydrate metabolism (By similarity). Binds DNA in vitro. (338 aa)
A0A1P8ARU2Phosphotransferase. (186 aa)
SPS4Probable sucrose-phosphate synthase 4; Plays a role in photosynthetic sucrose synthesis by catalyzing the rate-limiting step of sucrose biosynthesis from UDP- glucose and fructose- 6-phosphate. Involved in the regulation of carbon partitioning in the leaves of plants. May regulate the synthesis of sucrose and therefore play a major role as a limiting factor in the export of photoassimilates out of the leaf. Plays a role for sucrose availability that is essential for plant growth and fiber elongation; Belongs to the glycosyltransferase 1 family. (1050 aa)
SUS5Sucrose synthase 5; Sucrose-cleaving enzyme that provides UDP-glucose and fructose for various metabolic pathways. Functions in callose synthesis at the site of phloem sieve elements. (836 aa)
BAM3Beta-amylase 3, chloroplastic; Beta-amylase activity. No alpha-amylase activity. Involved in cold resistance. Mediates the accumulation of maltose upon freezing stress, thus contributing to the protection of the photosynthetic electron transport chain. Plays a role in the circadian-regulated starch degradation and maltose metabolism in chloroplasts, especially at night. More active on phosphorylated glucan. Interacts directly with starch or other alpha-1,4-glucan. Belongs to the glycosyl hydrolase 14 family. (548 aa)
PGM3Probable phosphoglucomutase, cytoplasmic 1; This enzyme participates in both the breakdown and synthesis of glucose; Belongs to the phosphohexose mutase family. (583 aa)
PRKPhosphoribulokinase, chloroplastic; Belongs to the phosphoribulokinase family. (395 aa)
GAPC1Glyceraldehyde-3-phosphate dehydrogenase GAPC1, cytosolic; Key enzyme in glycolysis that catalyzes the first step of the pathway by converting D-glyceraldehyde 3-phosphate (G3P) into 3- phospho-D-glyceroyl phosphate. Essential for the maintenance of cellular ATP levels and carbohydrate metabolism. Required for full fertility. Involved in response to oxidative stress by mediating plant responses to abscisic acid (ABA) and water deficits through the activation of PLDDELTA and production of phosphatidic acid (PA), a multifunctional stress signaling lipid in plants. Associates with FBA6 to [...] (338 aa)
PGICGlucose-6-phosphate isomerase, cytosolic; Belongs to the GPI family. (560 aa)
SUS1Sucrose synthase 1; Sucrose-cleaving enzyme that provides UDP-glucose and fructose for various metabolic pathways; Belongs to the glycosyltransferase 1 family. Plant sucrose synthase subfamily. (808 aa)
APS1Glucose-1-phosphate adenylyltransferase small subunit, chloroplastic; This protein plays a role in synthesis of starch. It catalyzes the synthesis of the activated glycosyl donor, ADP-glucose from Glc-1-P and ATP. (520 aa)
ADG2Glucose-1-phosphate adenylyltransferase large subunit 1, chloroplastic; This protein plays a role in synthesis of starch. It catalyzes the synthesis of the activated glycosyl donor, ADP-glucose from Glc-1-P and ATP. (522 aa)
APL2Glucose-1-phosphate adenylyltransferase large subunit 2, chloroplastic; This protein plays a role in synthesis of starch. It catalyzes the synthesis of the activated glycosyl donor, ADP-glucose from Glc-1-P and ATP. (518 aa)
Your Current Organism:
Arabidopsis thaliana
NCBI taxonomy Id: 3702
Other names: A. thaliana, Arabidopsis thaliana (L.) Heynh., mouse-ear cress, thale cress, thale-cress
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