Summary: Plant ATP synthase F0
This is the Wikipedia entry entitled "MT-ATP8". More...
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MT-ATP8 Edit Wikipedia article
|ATP synthase F0 subunit 8|
|Symbols||; ATPase8; MTATP8|
|ATP synthase protein 8 (metazoa)|
|Plant ATP synthase F0 subunit 8|
|Fungal ATP synthase protein 8 (A6L)|
This subunit appears to be an integral component of the stator stalk in yeast mitochondrial F-ATPases. The stator stalk is anchored in the membrane, and acts to prevent futile rotation of the ATPase subunits relative to the rotor during coupled ATP synthesis/hydrolysis. This subunit may have an analogous function in Metazoa. Subunit 8 differs in sequence between Metazoa, plants and fungi).
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- Bodenteich A, Mitchell LG, Polymeropoulos MH, Merril CR (1993). "Dinucleotide repeat in the human mitochondrial D-loop.". Hum. Mol. Genet. 1 (2): 140. doi:10.1093/hmg/1.2.140-a. PMID 1301157.
- Lu X, Walker T, MacManus JP, Seligy VL (1992). "Differentiation of HT-29 human colonic adenocarcinoma cells correlates with increased expression of mitochondrial RNA: effects of trehalose on cell growth and maturation.". Cancer Res. 52 (13): 3718–25. PMID 1377597.
- Marzuki S, Noer AS, Lertrit P, et al. (1992). "Normal variants of human mitochondrial DNA and translation products: the building of a reference data base.". Hum. Genet. 88 (2): 139–45. doi:10.1007/bf00206061. PMID 1757091.
- Moraes CT, Andreetta F, Bonilla E, et al. (1991). "Replication-competent human mitochondrial DNA lacking the heavy-strand promoter region.". Mol. Cell. Biol. 11 (3): 1631–7. PMC 369459. PMID 1996112.
- Attardi G, Chomyn A, Doolittle RF, et al. (1987). "Seven unidentified reading frames of human mitochondrial DNA encode subunits of the respiratory chain NADH dehydrogenase.". Cold Spring Harb. Symp. Quant. Biol. 51 (1): 103–14. doi:10.1101/sqb.1986.051.01.013. PMID 3472707.
- Chomyn A, Cleeter MW, Ragan CI, et al. (1986). "URF6, last unidentified reading frame of human mtDNA, codes for an NADH dehydrogenase subunit.". Science 234 (4776): 614–8. doi:10.1126/science.3764430. PMID 3764430.
- Chomyn A, Mariottini P, Cleeter MW, et al. (1985). "Six unidentified reading frames of human mitochondrial DNA encode components of the respiratory-chain NADH dehydrogenase.". Nature 314 (6012): 592–7. doi:10.1038/314592a0. PMID 3921850.
- Anderson S, Bankier AT, Barrell BG, et al. (1981). "Sequence and organization of the human mitochondrial genome.". Nature 290 (5806): 457–65. doi:10.1038/290457a0. PMID 7219534.
- Montoya J, Ojala D, Attardi G (1981). "Distinctive features of the 5'-terminal sequences of the human mitochondrial mRNAs.". Nature 290 (5806): 465–70. doi:10.1038/290465a0. PMID 7219535.
- Horai S, Hayasaka K, Kondo R, et al. (1995). "Recent African origin of modern humans revealed by complete sequences of hominoid mitochondrial DNAs.". Proc. Natl. Acad. Sci. U.S.A. 92 (2): 532–6. doi:10.1073/pnas.92.2.532. PMC 42775. PMID 7530363.
- Rieder MJ, Taylor SL, Tobe VO, Nickerson DA (1998). "Automating the identification of DNA variations using quality-based fluorescence re-sequencing: analysis of the human mitochondrial genome.". Nucleic Acids Res. 26 (4): 967–73. doi:10.1093/nar/26.4.967. PMC 147367. PMID 9461455.
- Andrews RM, Kubacka I, Chinnery PF, et al. (1999). "Reanalysis and revision of the Cambridge reference sequence for human mitochondrial DNA.". Nat. Genet. 23 (2): 147. doi:10.1038/13779. PMID 10508508.
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Plant ATP synthase F0 Provide feedback
This family corresponds to subunit 8 (YMF19) of the F0 complex of plant and algae mitochondrial F-ATPases ( EC:18.104.22.168).
Lang BF, Burger G, O'Kelly CJ, Cedergren R, Golding GB, Lemieux C, Sankoff D, Turmel M, Gray MW; , Nature 1997;387:493-497.: An ancestral mitochondrial DNA resembling a eubacterial genome in miniature PUBMED:9168110 EPMC:9168110
Stahl R, Sun S, L'Homme Y, Ketela T, Brown GG; , Nucleic Acids Res 1994;22:2109-2113.: RNA editing of transcripts of a chimeric mitochondrial gene associated with cytoplasmic male-sterility in Brassica. PUBMED:8029019 EPMC:8029019
Sabar M, Gagliardi D, Balk J, Leaver CJ; , EMBO Rep. 2003;4:381-386.: ORFB is a subunit of F1F(O)-ATP synthase: insight into the basis of cytoplasmic male sterility in sunflower. PUBMED:12671689 EPMC:12671689
Internal database links
|SCOOP:||ASFV_J13L Ycf1 DUF1678|
External database links
This tab holds annotation information from the InterPro database.
InterPro entry IPR003319
Transmembrane ATPases are membrane-bound enzyme complexes/ion transporters that use ATP hydrolysis to drive the transport of protons across a membrane. Some transmembrane ATPases also work in reverse, harnessing the energy from a proton gradient, using the flux of ions across the membrane via the ATPase proton channel to drive the synthesis of ATP.
There are several different types of transmembrane ATPases, which can differ in function (ATP hydrolysis and/or synthesis), structure (e.g., F-, V- and A-ATPases, which contain rotary motors) and in the type of ions they transport [PUBMED:15473999, PUBMED:15078220]. The different types include:
- F-ATPases (F1F0-ATPases), which are found in mitochondria, chloroplasts and bacterial plasma membranes where they are the prime producers of ATP, using the proton gradient generated by oxidative phosphorylation (mitochondria) or photosynthesis (chloroplasts).
- V-ATPases (V1V0-ATPases), which are primarily found in eukaryotic vacuoles and catalyse ATP hydrolysis to transport solutes and lower pH in organelles.
- A-ATPases (A1A0-ATPases), which are found in Archaea and function like F-ATPases (though with respect to their structure and some inhibitor responses, A-ATPases are more closely related to the V-ATPases).
- P-ATPases (E1E2-ATPases), which are found in bacteria and in eukaryotic plasma membranes and organelles, and function to transport a variety of different ions across membranes.
- E-ATPases, which are cell-surface enzymes that hydrolyse a range of NTPs, including extracellular ATP.
F-ATPases (also known as F1F0-ATPase, or H(+)-transporting two-sector ATPase) (EC) are composed of two linked complexes: the F1 ATPase complex is the catalytic core and is composed of 5 subunits (alpha, beta, gamma, delta, epsilon), while the F0 ATPase complex is the membrane-embedded proton channel that is composed of at least 3 subunits (A-C), nine in mitochondria (A-G, F6, F8). Both the F1 and F0 complexes are rotary motors that are coupled back-to-back. In the F1 complex, the central gamma subunit forms the rotor inside the cylinder made of the alpha(3)beta(3) subunits, while in the F0 complex, the ring-shaped C subunits forms the rotor. The two rotors rotate in opposite directions, but the F0 rotor is usually stronger, using the force from the proton gradient to push the F1 rotor in reverse in order to drive ATP synthesis [PUBMED:11309608]. These ATPases can also work in reverse to hydrolyse ATP to create a proton gradient.
This entry represents subunit 8 (or ymf19) found in the F0 complex of mitochondrial F-ATPases from plants and algae. This subunit is sometimes found in association and N-terminal to INTERPRO, in higher plants. Subunit 8 differs in sequence between plants, Metazoa (INTERPRO) and fungi (INTERPRO) [PUBMED:12681508, PUBMED:12671689].
More information about this protein can be found at Protein of the Month: ATP Synthases [PUBMED:].
The mapping between Pfam and Gene Ontology is provided by InterPro. If you use this data please cite InterPro.
|Cellular component||mitochondrial proton-transporting ATP synthase complex, coupling factor F(o) (GO:0000276)|
|Molecular function||hydrogen ion transmembrane transporter activity (GO:0015078)|
|Biological process||ATP synthesis coupled proton transport (GO:0015986)|
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This clan contains subunits of the F0 complex of ATP-synthase. The F0 complex is the non-catalytic unit of ATPase and is involved in proton translocation across membranes.
The clan contains the following 12 members:ATP-synt_8 ATP-synt_B FliH Fun_ATP-synt_8 HrpE Mt_ATP-synt_B NolV OSCP V-ATPase_G vATP-synt_E Yae1_N YMF19
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Curation and family details
|Seed source:||Pfam-B_984 (release 5.2)|
|Author:||Bashton M, Bateman A|
|Number in seed:||23|
|Number in full:||331|
|Average length of the domain:||79.00 aa|
|Average identity of full alignment:||31 %|
|Average coverage of the sequence by the domain:||61.04 %|
|HMM build commands:||
build method: hmmbuild -o /dev/null HMM SEED
search method: hmmsearch -Z 23193494 -E 1000 --cpu 4 HMM pfamseq
|Family (HMM) version:||10|
|Download:||download the raw HMM for this family|
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