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Table 4 Proteins from cellular vacuoles, ribonucleoprotein particles (vaults), nuclei and mitochondria

From: Proteomic study of the brackish water mussel Mytilopsis leucophaeata





V-type proton ATPase catalytic subunit A [P314400]

Manduca sexta (tobacco horn worm)

Involved in cellular trafficking, exocytosis and endocytosis, and interaction with the cytoskeleton (Marshansky and Futai 2008)

Cellular vacuoles

Major vault protein [Q5EAJ7]

Strongylocentrotus purpuratus (purple sea urchin)

Signal pathway regulation and immune defence (Berger et al. 2009)

Ribonucleoprotein particles (41 × 41 × 71.5 nm) or vaults

Histone H2A.V [P02272]

Gallus gallus (chicken)

Histones play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability

Part of nucleosome core (nuclei)

Histone H2A [P02268]

Sepia officinalis (common cuttlefish)

See above and below

See above and below

Histone H2B, gonadal [P02284]

Patella granatina (sand paper limpet)

See above; further, histones and histone fragments circulate via transporters through the cytoplasm and so may be transferred to the plasma membrane (Schuurmans Stekhoven et al. 2004) from where they execute their anti-microbial activity (Seo et al. 2011)

Nuclei, cytoplasm, and plasmalemma

Histone H3 [P02299]

Drosophila melanogaster (fruit fly)

See above

See over

Histone H4 [P35059]

Acropora formosa (stony corals)

See above

See over

Proteasome subunit α type-2 [Q73672]

Carassius auratus (gold fish)

Cleavage of peptide bonds with very broad specificity

Cytoplasm and nucleus

Proteasome subunit α type-5-A [O81149]

Arabidopsis thaliana (thale cress)

Brake down of damaged or redundant proteins

Cytosol and nucleus

Proteasome subunit α type-7 [O13268]

Gallus gallus (chicken)

ATP dependent cleavage of peptide bonds with broad specificity

Cytoplasm and nucleus

14-3-3 protein ε [P92177]

Drosophila melanogaster (fruit fly)

Multifunctional: regulation of enzymatic activity, regulation of subcellular localisation, inhibition of protein-protein or protein-DNA interaction, protection against dephosphorylation or proteolytic degradation, stabilisation of multiprotein complexes (Obsil and Obsilova 2011)

Plasmalemma, mitochondrion, nucleus

ATP synthase, subunit α [Q9XXK1]

Caenorhabditis elegans (round worm)

ATP synthesis


ATP synthase, subunit β precursor [Q5ZLC5]

Gallus gallus (chicken)

ATP synthesis


Succinate dehydrogenase [Q28ED0]

Xenopus tropicalis (Western clawed frog)

Transfer of electrons to coenzyme Q


ADP/ATP carrier protein 3 [O49447]

Arabidopsis thaliana (thale cress)

Exchange of ADP and ATP across the mitochondrial inner membrane


Probable malate dehydrogenase 3 [Q54VM2]

Dictyostelium discoideum (amoeba)

Oxidation of malate to oxaloacetate

Cytoplasm and mitochondria (Danis and Farkas 2009; Gietl 1992)

Phosphoenolpyruvate carboxykinase [Q05893]

Ascaris suum (pig roundworm)

Conversion of oxaloacetate to phosphoenolpyruvate and vice versa

Mitochondria (Stryer 1995b)