InterPro domain: IPR044160

General Information

  • Identifier IPR044160
  • Description Protein TRIGALACTOSYLDIACYLGLYCEROL 4-like

Abstract

TGDs are trigalactosyldiacylglycerol proteins required for chloroplast membrane lipid synthesis. The TGD1, -2, and -3 proteins form a putative ABC (ATP-binding cassette) transporter transporting ER-derived lipids through the inner envelope membrane of the chloroplast, while TGD4 binds phosphatidic acid and resides in the outer chloroplast envelope [ 1 ].

This entry represents TGD4, which is involved in endoplasmic reticulum-to-chloroplast lipid trafficking [ 2 ].


1. The phosphatidic acid binding site of the Arabidopsis trigalactosyldiacylglycerol 4 (TGD4) protein required for lipid import into chloroplasts. J. Biol. Chem. 288, 4763-71
2. TGD4 involved in endoplasmic reticulum-to-chloroplast lipid trafficking is a phosphatidic acid binding protein. Plant J. 70, 614-23

Species distribution

Gene table

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