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Q8K993

- CYOA_BUCAP

UniProt

Q8K993 - CYOA_BUCAP

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Protein

Cytochrome bo(3) ubiquinol oxidase subunit 2

Gene
cyoA, BUsg_456
Organism
Buchnera aphidicola subsp. Schizaphis graminum (strain Sg)
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

Cytochrome bo3 ubiquinol terminal oxidase is the component of the aerobic respiratory chain of E.coli that predominates when cells are grown at high aeration. Has proton pump activity across the membrane in addition to electron transfer, pumping 2 protons/electron By similarity.

GO - Molecular functioni

  1. copper ion binding Source: InterPro
  2. cytochrome bo3 ubiquinol oxidase activity Source: InterPro
  3. cytochrome-c oxidase activity Source: InterPro
  4. cytochrome o ubiquinol oxidase activity Source: InterPro

GO - Biological processi

  1. electron transport chain Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Electron transport, Respiratory chain, Transport

Enzyme and pathway databases

BioCyciBAPH198804:GHMG-480-MONOMER.

Names & Taxonomyi

Protein namesi
Recommended name:
Cytochrome bo(3) ubiquinol oxidase subunit 2
Alternative name(s):
Cytochrome o ubiquinol oxidase subunit 2
Short name:
Cytochrome o subunit 2
Oxidase bo(3) subunit 2
Ubiquinol oxidase polypeptide II
Ubiquinol oxidase subunit 2
Gene namesi
Name:cyoA
Ordered Locus Names:BUsg_456
OrganismiBuchnera aphidicola subsp. Schizaphis graminum (strain Sg)
Taxonomic identifieri198804 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeBuchnera
ProteomesiUP000000416: Chromosome

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Topological domaini25 – 4218Extracellular Reviewed predictionAdd
BLAST
Transmembranei43 – 6321Helical; Reviewed predictionAdd
BLAST
Topological domaini64 – 8724Cytoplasmic Reviewed predictionAdd
BLAST
Transmembranei88 – 10821Helical; Reviewed predictionAdd
BLAST
Topological domaini109 – 290182Extracellular Reviewed predictionAdd
BLAST

GO - Cellular componenti

  1. integral component of membrane Source: UniProtKB-KW
  2. plasma membrane Source: UniProtKB-SubCell
  3. respiratory chain Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Cell membrane, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Signal peptidei1 – 2424 Reviewed predictionAdd
BLAST
Chaini25 – 290266Cytochrome bo(3) ubiquinol oxidase subunit 2PRO_0000006073Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Lipidationi25 – 251N-palmitoyl cysteine Reviewed prediction
Lipidationi25 – 251S-diacylglycerol cysteine Reviewed prediction

Keywords - PTMi

Lipoprotein, Palmitate

Interactioni

Subunit structurei

Heterooctamer of two A chains, two B chains, two C chains and two D chains By similarity.

Protein-protein interaction databases

STRINGi198804.BUsg456.

Structurei

3D structure databases

ProteinModelPortaliQ8K993.
SMRiQ8K993. Positions 125-281.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Signal, Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiCOG1622.
KOiK02297.
OMAiKIEAVVW.
OrthoDBiEOG6PS5TJ.

Family and domain databases

Gene3Di1.10.287.90. 1 hit.
2.60.40.420. 1 hit.
InterProiIPR012141. Bo-type_Ubol_Oxase_su_II.
IPR010514. COX_ARM.
IPR008972. Cupredoxin.
IPR002429. Cyt_c_oxidase_su2_C.
IPR011759. Cyt_c_oxidase_su2_TM_dom.
IPR006333. Cyt_o_ubiquinol_oxidase_su2.
[Graphical view]
PfamiPF00116. COX2. 1 hit.
PF06481. COX_ARM. 1 hit.
[Graphical view]
PIRSFiPIRSF000292. Ubi_od_II. 1 hit.
SUPFAMiSSF49503. SSF49503. 1 hit.
SSF81464. SSF81464. 1 hit.
TIGRFAMsiTIGR01433. CyoA. 1 hit.
PROSITEiPS50857. COX2_CUA. 1 hit.
PS50999. COX2_TM. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q8K993-1 [UniParc]FASTAAdd to Basket

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MISINFNNFF KTLLLILIAF TLHGCDSILF NPHGIIAIQE CSILLISFLI    50
MLFVIIPVIF MTIYFSVKYR ASNINAKYKP DWCDSKKIEI IVWTIPISII 100
LFLAFVTWNY SHILDPKKSI ISKYKPIKID VVSLDWRWLF IYPEYHIATI 150
NEIMFPINRS IIFHITSNSV MNSFFIPSLG SQIYAMPGMM TTLNLMSNSP 200
GKYKGISSNY SGKGFSNMKF TAISVLNIKD FENWIKKAQQ SPKKLNKMSI 250
FNIISLPNEN HFIEYFSDVK KNLFYEIINQ TYSKNKVFKH 290
Length:290
Mass (Da):33,730
Last modified:October 1, 2002 - v1
Checksum:i3D80A02A84732963
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AE013218 Genomic DNA. Translation: AAM67999.1.
RefSeqiNP_660788.1. NC_004061.1.

Genome annotation databases

EnsemblBacteriaiAAM67999; AAM67999; BUsg_456.
GeneIDi1005709.
KEGGibas:BUsg456.
PATRICi21247766. VBIBucAph100086_0482.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AE013218 Genomic DNA. Translation: AAM67999.1 .
RefSeqi NP_660788.1. NC_004061.1.

3D structure databases

ProteinModelPortali Q8K993.
SMRi Q8K993. Positions 125-281.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 198804.BUsg456.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAM67999 ; AAM67999 ; BUsg_456 .
GeneIDi 1005709.
KEGGi bas:BUsg456.
PATRICi 21247766. VBIBucAph100086_0482.

Phylogenomic databases

eggNOGi COG1622.
KOi K02297.
OMAi KIEAVVW.
OrthoDBi EOG6PS5TJ.

Enzyme and pathway databases

BioCyci BAPH198804:GHMG-480-MONOMER.

Family and domain databases

Gene3Di 1.10.287.90. 1 hit.
2.60.40.420. 1 hit.
InterProi IPR012141. Bo-type_Ubol_Oxase_su_II.
IPR010514. COX_ARM.
IPR008972. Cupredoxin.
IPR002429. Cyt_c_oxidase_su2_C.
IPR011759. Cyt_c_oxidase_su2_TM_dom.
IPR006333. Cyt_o_ubiquinol_oxidase_su2.
[Graphical view ]
Pfami PF00116. COX2. 1 hit.
PF06481. COX_ARM. 1 hit.
[Graphical view ]
PIRSFi PIRSF000292. Ubi_od_II. 1 hit.
SUPFAMi SSF49503. SSF49503. 1 hit.
SSF81464. SSF81464. 1 hit.
TIGRFAMsi TIGR01433. CyoA. 1 hit.
PROSITEi PS50857. COX2_CUA. 1 hit.
PS50999. COX2_TM. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: Sg.

Entry informationi

Entry nameiCYOA_BUCAP
AccessioniPrimary (citable) accession number: Q8K993
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 8, 2002
Last sequence update: October 1, 2002
Last modified: May 14, 2014
This is version 93 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome

Documents

  1. Buchnera aphidicola (subsp. Schizaphis graminum)
    Buchnera aphidicola (subsp. Schizaphis graminum): entries and gene names
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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