- EMDB-51161: Respiratory supercomplex CI2-CIII2-CIV2 (megacomplex) from alphap... -
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Basic information
Entry
Database: EMDB / ID: EMD-51161
Title
Respiratory supercomplex CI2-CIII2-CIV2 (megacomplex) from alphaproteobacterium
Map data
This postprocessed .mrc file has been trimmed to a smaller box size of 375 pixels. This differs from that of the half-maps which has an untrimmed box size of 600 pixels and rescaled to 1.048 A/pix.
Sample
Complex: Respiratory supercomplex CI2-CIII2-CIV2 from alphaproteobacterium
Complex: Alphaproteobacterial respiratory complex I (NADH-ubiquinone oxidoreductase)
Protein or peptide: x 19 types
Complex: Alphaproteobacterial respiratory complex III (ubiquinone-cytochrome c oxidoreductase, cytochrome bc1)
Protein or peptide: x 3 types
Complex: Alphaproteobacterial respiratory complex IV (Cytochrome c oxidase, aa3-type)
Protein or peptide: x 4 types
Complex: Transmembrane-anchored cytochrome c (c552)
Protein or peptide: x 1 types
Ligand: x 18 types
Keywords
Supercomplex / multi-subunit membrane protein complex / electron transport chain / native purification / ELECTRON TRANSPORT
Function / homology
Function and homology information
active transmembrane transporter activity / organelle envelope / protein-L-isoaspartate (D-aspartate) O-methyltransferase activity / NADH:ubiquinone reductase (H+-translocating) / : / membrane protein complex / Translocases; Catalysing the translocation of protons; Linked to oxidoreductase reactions / NADH dehydrogenase (quinone) (non-electrogenic) activity / NADH dehydrogenase complex / aerobic electron transport chain ...active transmembrane transporter activity / organelle envelope / protein-L-isoaspartate (D-aspartate) O-methyltransferase activity / NADH:ubiquinone reductase (H+-translocating) / : / membrane protein complex / Translocases; Catalysing the translocation of protons; Linked to oxidoreductase reactions / NADH dehydrogenase (quinone) (non-electrogenic) activity / NADH dehydrogenase complex / aerobic electron transport chain / respiratory chain complex IV / cytochrome-c oxidase / respiratory chain complex III / oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor / monoatomic cation transmembrane transporter activity / oxidative phosphorylation / quinol-cytochrome-c reductase / : / quinol-cytochrome-c reductase activity / cytochrome-c oxidase activity / NADH dehydrogenase activity / organelle membrane / ubiquinone binding / electron transport coupled proton transport / respiratory chain complex I / NADH dehydrogenase (ubiquinone) activity / catalytic complex / quinone binding / ATP synthesis coupled electron transport / endomembrane system / aerobic respiration / respiratory electron transport chain / electron transport chain / 2 iron, 2 sulfur cluster binding / NAD binding / FMN binding / 4 iron, 4 sulfur cluster binding / response to oxidative stress / methylation / oxidoreductase activity / electron transfer activity / iron ion binding / copper ion binding / heme binding / protein-containing complex binding / metal ion binding / membrane / plasma membrane / cytoplasm Similarity search - Function
Cytochrome c oxidase, subunit IV, bacterial aa3 type / Bacterial aa3 type cytochrome c oxidase subunit IV superfamily / Bacterial aa3 type cytochrome c oxidase subunit IV / Protein-L-isoaspartate(D-aspartate) O-methyltransferase / Protein-L-isoaspartate(D-aspartate) O-methyltransferase (PCMT) / Ubiquitinol-cytochrome C reductase, Fe-S subunit, TAT signal / Ubiquitinol-cytochrome C reductase Fe-S subunit TAT signal / Cytochrome c oxidase, subunit I bacterial type / NAD(P)H-quinone oxidoreductase subunit 3, bacterial/plastid / NAD(P)H-quinone oxidoreductase, subunit N/subunit 2 ...Cytochrome c oxidase, subunit IV, bacterial aa3 type / Bacterial aa3 type cytochrome c oxidase subunit IV superfamily / Bacterial aa3 type cytochrome c oxidase subunit IV / Protein-L-isoaspartate(D-aspartate) O-methyltransferase / Protein-L-isoaspartate(D-aspartate) O-methyltransferase (PCMT) / Ubiquitinol-cytochrome C reductase, Fe-S subunit, TAT signal / Ubiquitinol-cytochrome C reductase Fe-S subunit TAT signal / Cytochrome c oxidase, subunit I bacterial type / NAD(P)H-quinone oxidoreductase subunit 3, bacterial/plastid / NAD(P)H-quinone oxidoreductase, subunit N/subunit 2 / Cytochrome c oxidase subunit III domain / Cytochrome c oxidase, subunit II / Cytochrome c, class IA/ IB / Cytochrome c oxidase subunit I domain / Cytochrome C oxidase subunit II, transmembrane domain / Cytochrome C oxidase subunit II, transmembrane domain / Cytochrome oxidase subunit II transmembrane region profile. / Cytochrome c oxidase subunit III / Cytochrome c oxidase subunit III-like / Cytochrome c oxidase, subunit III, 4-helical bundle / Cytochrome c oxidase subunit III / Heme-copper oxidase subunit III family profile. / Cytochrome c oxidase subunit III-like superfamily / Cytochrome c/quinol oxidase subunit II / Twin-arginine translocation pathway, signal sequence, bacterial/archaeal / Cytochrome b / Cytochrome C oxidase subunit II, transmembrane domain superfamily / Copper centre Cu(A) / CO II and nitrous oxide reductase dinuclear copper centers signature. / Ubiquinol-cytochrome c reductase, iron-sulphur subunit / : / Cytochrome c1 / Cytochrome C1 family / Cytochrome c oxidase, subunit I, copper-binding site / Heme-copper oxidase catalytic subunit, copper B binding region signature. / Cytochrome c oxidase-like, subunit I domain / Cytochrome oxidase subunit I profile. / : / Cytochrome b/b6, C-terminal / Cytochrome b(C-terminal)/b6/petD / Cytochrome b/b6 C-terminal region profile. / Cytochrome c oxidase subunit I / Cytochrome c oxidase-like, subunit I superfamily / Cytochrome C and Quinol oxidase polypeptide I / Cytochrome b/b6, C-terminal domain superfamily / Cytochrome b/b6/petB / Cytochrome C oxidase subunit II, periplasmic domain / Cytochrome c oxidase subunit II-like C-terminal / Cytochrome oxidase subunit II copper A binding domain profile. / Rieske iron-sulphur protein, C-terminal / Cytochrome c / Cytochrome b/b6, N-terminal / Cytochrome b/b6-like domain superfamily / Cytochrome b/b6 N-terminal region profile. / Di-haem cytochrome, transmembrane / Rieske iron-sulphur protein / : / NADH-ubiquinone oxidoreductase NDSU1/NuoG-like, 4Fe-4S domain / Zinc finger, CHCC-type / Zinc-finger domain / NADH dehydrogenase ubiquinone Fe-S protein 4-like superfamily / NADH dehydrogenase ubiquinone Fe-S protein 4 / NADH dehydrogenase ubiquinone Fe-S protein 4, mitochondrial / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12 / NADH ubiquinone oxidoreductase subunit NDUFA12 / : / SLBB domain / : / NADH-quinone oxidoreductase, chain G, C-terminal / NADH-ubiquinone oxidoreductase subunit G, C-terminal / : / NADH-quinone oxidoreductase subunit 3, ferredoxin-like domain / Respiratory-chain NADH dehydrogenase 20 Kd subunit signature. / NADH-ubiquinone oxidoreductase, 20 Kd subunit / NADH-ubiquinone/plastoquinone oxidoreductase chain 6, subunit NuoJ / NADH-quinone oxidoreductase, chain I / NADH-plastoquinone oxidoreductase, chain 5 subgroup / NADH-ubiquinone oxidoreductase chain 4L/K / NADH-quinone oxidoreductase, chain M/4 / NADH:ubiquinone/plastoquinone oxidoreductase, chain 6 / NADH-ubiquinone/plastoquinone oxidoreductase chain 6 / NADH-ubiquinone oxidoreductase chain 4L/Mnh complex subunit C1-like / NADH-ubiquinone/plastoquinone oxidoreductase chain 4L / NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminal / NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus / NAD(P)H-quinone oxidoreductase subunit D/H / Rieske [2Fe-2S] domain / NADH-quinone oxidoreductase, chain 5-like / Rieske [2Fe-2S] iron-sulphur domain / Rieske [2Fe-2S] iron-sulfur domain profile. / NADH:ubiquinone oxidoreductase, 49kDa subunit, conserved site / Respiratory chain NADH dehydrogenase 49 Kd subunit signature. / NADH:ubiquinone oxidoreductase, subunit G / Respiratory-chain NADH dehydrogenase 75 Kd subunit signature 3. / NADH ubiquinone oxidoreductase, F subunit / Rieske [2Fe-2S] iron-sulphur domain superfamily / NADH-quinone oxidoreductase, subunit D / Respiratory-chain NADH dehydrogenase, 49 Kd subunit / Respiratory-chain NADH dehydrogenase 75 Kd subunit signature 2. / NADH dehydrogenase, subunit C Similarity search - Domain/homology
Aa3 type cytochrome c oxidase subunit IV / NAD-dependent epimerase/dehydratase / NADH:ubiquinone oxidoreductase 17.2 kD subunit / ETC complex I subunit conserved region / Cytochrome c, class I / Zinc finger CHCC-type domain-containing protein / Cytochrome c oxidase subunit 1 / NADH-quinone oxidoreductase subunit N / NADH dehydrogenase subunit M / NADH dehydrogenase subunit L ...Aa3 type cytochrome c oxidase subunit IV / NAD-dependent epimerase/dehydratase / NADH:ubiquinone oxidoreductase 17.2 kD subunit / ETC complex I subunit conserved region / Cytochrome c, class I / Zinc finger CHCC-type domain-containing protein / Cytochrome c oxidase subunit 1 / NADH-quinone oxidoreductase subunit N / NADH dehydrogenase subunit M / NADH dehydrogenase subunit L / NADH-quinone oxidoreductase subunit K / NADH-quinone oxidoreductase subunit J / NADH-quinone oxidoreductase subunit I / NADH-quinone oxidoreductase subunit H / NADH-quinone oxidoreductase / NADH-quinone oxidoreductase subunit F / NADH dehydrogenase subunit E / NADH-quinone oxidoreductase subunit D / NADH-quinone oxidoreductase subunit C / NADH-quinone oxidoreductase subunit B / NADH-quinone oxidoreductase subunit A / Ubiquinol-cytochrome c reductase iron-sulfur subunit / Cytochrome b / Cytochrome c1 / Protein-L-isoaspartate O-methyltransferase / Cytochrome c oxidase subunit 3 / Cytochrome c oxidase subunit 2 Similarity search - Component
Biological species
Paracoccus denitrificans PD1222 (bacteria)
Method
single particle reconstruction / cryo EM / Resolution: 4.91 Å
Download / File: emd_51161.map.gz / Format: CCP4 / Size: 201.2 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotation
This postprocessed .mrc file has been trimmed to a smaller box size of 375 pixels. This differs from that of the half-maps which has an untrimmed box size of 600 pixels and rescaled to 1.048 A/pix.
One of the 2 half maps obtained from the 3D refinement procedure. The pixel size (1.07) here is the nominal one. The box size of this half map, 600 pixels, is not trimmed.
One of the 2 half maps obtained from the 3D refinement procedure. The pixel size (1.07) here is the nominal one. The box size of this half map, 600 pixels, is not trimmed.
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