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The directed movement into a tissue, cell or organelle of externally available hemoglobin. 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 import of proteins into the chloroplast thylakoid membranes. Proteins that are destined for the thylakoid lumen require two uptake-targeting sequences: the first targets the protein to the stroma, and the second targets the protein from the stroma to the thylakoid lumen. Four separate thylakoid-import systems deal with the proteins once they are in the stroma. The process of directing proteins towards and into the mitochondrion, usually mediated by mitochondrial proteins that recognize signals contained within the imported protein. The directed movement of substances (such as macromolecules, small molecules, ions) into, out of, within or between cells, or within a multicellular organism by means of some external agent such as a transporter or pore. The directed movement of proteins into a cell or organelle. The targeting of proteins into the peroxisomal membrane. The process is not well understood, but both signals and mechanism differ from those involved in peroxisomal matrix protein import. The import of proteins into the peroxisomal matrix. A peroxisome targeting signal (PTS) binds to a soluble receptor protein in the cytosol, and the resulting complex then binds to a receptor protein in the peroxisome membrane and is imported. The directed movement of a protein from the cytoplasm to the nucleus. The directed movement of proteins into, out of, within or between cells by means of some external agent such as a transporter or pore. The incorporation of hemolymph proteins by cells of the fat body of holometabolous insects, during the final larval stage. Uptake of these proteins prepares the insect for pupation and metamorphosis, since insect pupae do not feed and therefore depend on material that has been accumulated during larval life. The directed movement of a protein to a specific location.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: protein import
Acc: GO:0017038
Aspect: Biological Process
Desc: The directed movement of proteins into a cell or organelle.
Synonyms:
  • protein uptake
Proteins in PDR annotated with:
   This term: 6 [Search]
   Term or descendants: 764 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0017038 - protein import (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle