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Q9X813

- COX1A_STRCO

UniProt

Q9X813 - COX1A_STRCO

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Protein

Probable cytochrome c oxidase subunit 1-alpha

Gene

ctaD1

Organism
Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145)
Status
Reviewed - Annotation score: 4 out of 5- Protein inferred from homologyi

Functioni

Cytochrome c oxidase is the component of the respiratory chain that catalyzes the reduction of oxygen to water. Subunits 1-3 form the functional core of the enzyme complex. CO I is the catalytic subunit of the enzyme. Electrons originating in cytochrome c are transferred via the copper A center of subunit 2 and heme A of subunit 1 to the bimetallic center formed by heme A3 and copper B (By similarity).By similarity

Catalytic activityi

4 ferrocytochrome c + O2 + 4 H+ = 4 ferricytochrome c + 2 H2O.

Cofactori

Binds 1 copper B per subunit.By similarity
Binds 2 heme groups per subunit.By similarity

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi90 – 901Iron (heme A axial ligand)By similarity
Metal bindingi268 – 2681Copper BBy similarity
Metal bindingi272 – 2721Copper BBy similarity
Metal bindingi317 – 3171Copper BBy similarity
Metal bindingi318 – 3181Copper BBy similarity
Metal bindingi401 – 4011Iron (heme A3 axial ligand)By similarity
Metal bindingi403 – 4031Iron (heme A axial ligand)By similarity

GO - Molecular functioni

  1. copper ion binding Source: InterPro
  2. cytochrome-c oxidase activity Source: UniProtKB-EC
  3. heme binding Source: InterPro
  4. iron ion binding Source: InterPro

GO - Biological processi

  1. aerobic respiration Source: InterPro
  2. electron transport chain Source: InterPro
  3. oxidative phosphorylation Source: UniProtKB-UniPathway
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Electron transport, Respiratory chain, Transport

Keywords - Ligandi

Copper, Heme, Iron, Metal-binding

Enzyme and pathway databases

UniPathwayiUPA00705.

Names & Taxonomyi

Protein namesi
Recommended name:
Probable cytochrome c oxidase subunit 1-alpha (EC:1.9.3.1)
Alternative name(s):
Cytochrome aa3 subunit 1-alpha
Cytochrome c oxidase polypeptide I-alpha
Gene namesi
Name:ctaD1
Ordered Locus Names:SCO2155
ORF Names:SC6G10.28c
OrganismiStreptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145)
Taxonomic identifieri100226 [NCBI]
Taxonomic lineageiBacteriaActinobacteriaActinobacteridaeActinomycetalesStreptomycineaeStreptomycetaceaeStreptomycesStreptomyces albidoflavus group
ProteomesiUP000001973: Chromosome

Subcellular locationi

Cell membrane By similarity; Multi-pass membrane protein By similarity

GO - Cellular componenti

  1. integral component of membrane Source: UniProtKB-KW
  2. plasma membrane Source: UniProtKB-KW
  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
Chaini1 – 578578Probable cytochrome c oxidase subunit 1-alphaPRO_0000183452Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Cross-linki268 ↔ 2721'-histidyl-3'-tyrosine (His-Tyr)By similarity

Interactioni

Subunit structurei

Associates with subunits II, III and IV to form cytochrome c oxidase.By similarity

Protein-protein interaction databases

STRINGi100226.SCO2155.

Structurei

3D structure databases

ProteinModelPortaliQ9X813.
ModBaseiSearch...
MobiDBiSearch...

Transmembrane

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei44 – 6421HelicalSequence AnalysisAdd
BLAST
Transmembranei93 – 11321HelicalSequence AnalysisAdd
BLAST
Transmembranei125 – 14521HelicalSequence AnalysisAdd
BLAST
Transmembranei174 – 19421HelicalSequence AnalysisAdd
BLAST
Transmembranei217 – 23721HelicalSequence AnalysisAdd
BLAST
Transmembranei262 – 28221HelicalSequence AnalysisAdd
BLAST
Transmembranei294 – 31421HelicalSequence AnalysisAdd
BLAST
Transmembranei319 – 33921HelicalSequence AnalysisAdd
BLAST
Transmembranei363 – 38321HelicalSequence AnalysisAdd
BLAST
Transmembranei402 – 42221HelicalSequence AnalysisAdd
BLAST
Transmembranei437 – 45721HelicalSequence AnalysisAdd
BLAST
Transmembranei480 – 50021HelicalSequence AnalysisAdd
BLAST

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiCOG0843.
HOGENOMiHOG000085274.
InParanoidiQ9X813.
KOiK02274.
OMAiMGMTRRV.
OrthoDBiEOG6B35XR.
PhylomeDBiQ9X813.

Family and domain databases

Gene3Di1.20.210.10. 1 hit.
InterProiIPR000883. COX1.
IPR023615. Cyt_c_Oxase_su1_BS.
IPR023616. Cyt_c_Oxase_su1_dom.
IPR014241. Cyt_c_oxidase_su1_bac.
[Graphical view]
PANTHERiPTHR10422. PTHR10422. 1 hit.
PfamiPF00115. COX1. 1 hit.
[Graphical view]
PRINTSiPR01165. CYCOXIDASEI.
SUPFAMiSSF81442. SSF81442. 1 hit.
TIGRFAMsiTIGR02891. CtaD_CoxA. 1 hit.
PROSITEiPS50855. COX1. 1 hit.
PS00077. COX1_CUB. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q9X813-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MSILNEPQGA SAAEDSYENE LPVRRKQPGN VVIKWLTTTD HKTIGTMYLV
60 70 80 90 100
TSFAFFVIGG VMALFMRAEL ARPGLQIMSN EQFNQAFTMH GTIMLLMFAT
110 120 130 140 150
PLFAGFANWI MPLQIGAPDV AFPRLNMFAY WLYLFGSTIA VGGFLTPQGA
160 170 180 190 200
ADFGWFAYSP LSDAVHSPGI GGDLWIMGLA FSGFGTILGS VNFITTIICM
210 220 230 240 250
RAPGMTMFRM PIFTWNVLLT GVLVLLAFPV LAAALFALEA DRKFGAHIFD
260 270 280 290 300
SSNGGALLWQ HLFWFFGHPE VYIIALPFFG IVSEIIPVFS RKPIFGYMGL
310 320 330 340 350
IGATIAIAGL SVTVWAHHMY VTGGVLLPFF SFMTFLIAVP TGVKFFNWIG
360 370 380 390 400
TMWKGSLSFE TPMLWSTGFL ITFLFGGLTG VILASPPLDF HVSDSYFVVA
410 420 430 440 450
HFHYVVFGTV VFAMFAGFHF WWPKFTGKML DERLGKITFW TLFVGFHGTF
460 470 480 490 500
LVQHWLGAEG MPRRYADYLA ADGFTALNTI STISSFLLGM SILPFFYNIW
510 520 530 540 550
KTAKYGKKIE VDDPWGYGRS LEWATSCPPP RHNFLTLPRI RSESPAFDLH
560 570
HPEISAIDQL ENVGHGEKAL AGGKEAGK
Length:578
Mass (Da):64,122
Last modified:November 1, 1999 - v1
Checksum:i2A25FF2A913DC461
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AL939111 Genomic DNA. Translation: CAB39882.1.
PIRiT35537.
RefSeqiNP_626411.1. NC_003888.3.

Genome annotation databases

EnsemblBacteriaiCAB39882; CAB39882; CAB39882.
GeneIDi1097589.
KEGGisco:SCO2155.
PATRICi23733962. VBIStrCoe124346_2190.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AL939111 Genomic DNA. Translation: CAB39882.1 .
PIRi T35537.
RefSeqi NP_626411.1. NC_003888.3.

3D structure databases

ProteinModelPortali Q9X813.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 100226.SCO2155.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAB39882 ; CAB39882 ; CAB39882 .
GeneIDi 1097589.
KEGGi sco:SCO2155.
PATRICi 23733962. VBIStrCoe124346_2190.

Phylogenomic databases

eggNOGi COG0843.
HOGENOMi HOG000085274.
InParanoidi Q9X813.
KOi K02274.
OMAi MGMTRRV.
OrthoDBi EOG6B35XR.
PhylomeDBi Q9X813.

Enzyme and pathway databases

UniPathwayi UPA00705 .

Family and domain databases

Gene3Di 1.20.210.10. 1 hit.
InterProi IPR000883. COX1.
IPR023615. Cyt_c_Oxase_su1_BS.
IPR023616. Cyt_c_Oxase_su1_dom.
IPR014241. Cyt_c_oxidase_su1_bac.
[Graphical view ]
PANTHERi PTHR10422. PTHR10422. 1 hit.
Pfami PF00115. COX1. 1 hit.
[Graphical view ]
PRINTSi PR01165. CYCOXIDASEI.
SUPFAMi SSF81442. SSF81442. 1 hit.
TIGRFAMsi TIGR02891. CtaD_CoxA. 1 hit.
PROSITEi PS50855. COX1. 1 hit.
PS00077. COX1_CUB. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC BAA-471 / A3(2) / M145.

Entry informationi

Entry nameiCOX1A_STRCO
AccessioniPrimary (citable) accession number: Q9X813
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 26, 2005
Last sequence update: November 1, 1999
Last modified: October 29, 2014
This is version 94 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, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3