FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term mitochondrial matrix ID (Ontology) GO:0005759 (Gene Ontology)
Definition The gel-like material, with considerable fine structure, that lies in the matrix space, or lumen, of a mitochondrion. It contains the enzymes of the tricarboxylic acid cycle and, in some organisms, the enzymes concerned with fatty acid oxidation.[ ISBN:0198506732 ]
Also Known As"mitochondrial lumen"
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Genes (FBgn)GO_CELLULAR_COMPONENT
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Gene Groups Genes Constructs
 mitochondrial matrix (all annotations which use CV term, excluding "NOT" statements)
     is_active_in | mitochondrial matrix       --       --
      --
     located_in | mitochondrial matrix       --       --
      --
     mitochondrial matrix | adult stage
      --       --
     mitochondrial matrix | larval stage
      --       --
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Vocabulary search 
cytoplasm
 |__mitochondrion_________________________
intracellular organelle                   |
 |__intracellular organelle lumen_________|
intracellular membrane-bounded organelle  |
 |__mitochondrion_________________________|
organelle lumen                           |
 |__intracellular organelle lumen_________|
                                          mitochondrial matrix  395 rec.
                                           |__Ecsit-NDUFAF1 complex
                                           |__gamma DNA polymerase complex 3 rec.
                                           |__mitochondrial electron transfer flavoprotein complex 2 rec.
                                           |__mitochondrial endopeptidase Clp complex 3 rec.
                                           |__mitochondrial fatty acid beta-oxidation multienzyme complex 3 rec.
                                           |__mitochondrial glutamate synthase complex (NADH)
                                           |__mitochondrial nucleoid 36 rec.
                                           |   |__mitochondrial chromosome 21 rec.
                                           |__mitochondrial processing peptidase complex 3 rec.
                                           |__mitochondrial pyruvate dehydrogenase (lipoamide) phosphatase complex 2 rec.
                                           |__mitochondrial ribosome 89 rec.
                                           |   |__mitochondrial large ribosomal subunit 53 rec.
                                           |   |__mitochondrial small ribosomal subunit 31 rec.
                                           |__mitochondrial translation initiation complex
                                           |__mitochondrial translation preinitiation complex
                                           |__NAGS/NAGK complex
                                           |__PAM complex, Tim23 associated import motor 8 rec.
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Is a intracellular organelle lumen
Part of mitochondrion
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Synonyms
  • "mitochondrial lumen" EXACT
    "mitochondrial stroma" NARROW
Secondary IDs
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NIF_Subcellular:sao1804523077
Wikipedia:Mitochondrial_matrix