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The process of directing proteins towards the chloroplast, usually using signals contained within the protein. Imported proteins are synthesized as cytosolic precursors containing N-terminal uptake-targeting sequences that direct each protein to its correct subcompartment and are subsequently cleaved. The import of proteins into the chloroplast stroma. Import depends on ATP hydrolysis catalyzed by stromal chaperones. Chloroplast stromal proteins, such as the S subunit of rubisco, have a N-terminal stromal-import sequence of about 44 amino acids which is cleaved from the protein precursor after import. The directed movement of proteins into a cell or organelle. The process of targeting specific proteins to particular membrane-bounded subcellular organelles. Usually requires an organelle specific protein sequence motif. The directed movement of proteins into, out of, within or between cells by means of some external agent such as a transporter or pore.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: protein import into chloroplast stroma
Acc: GO:0045037
Aspect: Biological Process
Desc: The import of proteins into the chloroplast stroma. Import depends on ATP hydrolysis catalyzed by stromal chaperones. Chloroplast stromal proteins, such as the S subunit of rubisco, have a N-terminal stromal-import sequence of about 44 amino acids which is cleaved from the protein precursor after import.
Synonyms:
  • protein transport into chloroplast stroma
  • chloroplast stroma protein import
Proteins in PDR annotated with:
   This term: 7 [Search]
   Term or descendants: 7 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0045037 - protein import into chloroplast stroma (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle