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Protein : GPT1_ARATH A. thaliana

Primary Accession  ? Q9M5A9 Organism . Name  Arabidopsis thaliana
Length  388   MD5 Checksum  1cafe585a97d9d6d1392481e14e5e1a9
UniProt Accession  Q9M5A9 Is UniProt Canonical  true
UniProt Name  GPT1_ARATH Is Fragment  false
Molecular Weight  42329.0 Name  Glucose-6-phosphate/phosphate translocator 1, chloroplastic
Secondary Identifier  Q9M5A9

6 Comments

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1 Genes

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1 Organism

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8 Publications

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Genomics

4 Cross References

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1 Genes

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Proteins

Curated comments from UniProt

Type Comment
developmental stage Expressed during the transient accumulation of starch in the developing seeds. Decline rapidly 8 days after flowering. Not detected in mature seeds.
function Glucose 6-phosphate (Glc6P) transporter (PubMed:15722468). Transports also inorganic phosphate, 3-phosphoglycerate, triose phosphates and, to a leser extent, phosphoenolpyruvate (PubMed:15722468). Responsible for the transport of Glc6P into plastids of heterotrophic tissues where it can be used as a carbon source for starch biosynthesis, as substrate for fatty acid biosynthesis or as substrate for NADPH generation via the oxidative pentose phosphate pathway (OPPP) (PubMed:15722468). Required for pollen maturation and embryo sac development (PubMed:15722468, PubMed:20659277). Preferentially exchanges Glc6P for ribulose-5-phosphate (Ru5P) in reconstituted yeast proteoliposomes (PubMed:32111666). May supply the substrate (Glc6P) for OPPP reactions inside peroxisomes and exchange it with the product Ru5P which leaves the organelle (PubMed:32111666).
similarity Belongs to the TPT transporter family. GPT (TC 2.A.7.9) subfamily.
subcellular location Targeted to peroxisomes via the endoplasmic reticulum.
tissue specificity Expressed in seeds, flowers, rosette leaves, and roots, with highest levels found in stamens. Found in the root cap, in guard cells and in mesophyll cells.

15 Features

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0 Isoforms

11 Keywords

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2 Protein Domain Regions

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1 Sequence

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Other

0 Canonical Protein

0 Components

2 Data Sets

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0 Ec Numbers

0 Locations