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UniProtKB/Swiss-Prot entry P22868


[Entry info] [Name and origin] [References] [Comments] [Cross-references] [Keywords] [Features] [Sequence] [Tools]

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Entry information
Entry name MMOC_METCA
Primary accession number P22868
Secondary accession number Q609N2
Integrated into Swiss-Prot on August 1, 1991
Sequence was last modified on September 26, 2001 (Sequence version 2)
Annotations were last modified on    November 25, 2008 (Entry version 84)
Name and origin of the protein
Protein name Methane monooxygenase component C
Synonyms EC 1.14.13.25
Methane monooxygenase reductase
MMOR
Methane hydroxylase
Gene name
Name: mmoC
OrderedLocusNames: MCA1200
From
Methylococcus capsulatus [TaxID: 414] [HAMAP proteome]
Taxonomy Bacteria; Proteobacteria; Gammaproteobacteria; Methylococcales; Methylococcaceae; Methylococcus.
Protein existence 1: Evidence at protein level;
References
[1]
NUCLEOTIDE SEQUENCE [GENOMIC DNA], AND PROTEIN SEQUENCE OF 1-16.
STRAIN=Bath / NCIMB 11132;
DOI=10.1016/0378-1119(90)90158-N; PubMed=2205538 [NCBI, ExPASy, EBI, Israel, Japan]
Stainthorpe A.C., Lees V., Salmond G.P.C., Dalton H., Murrell J.C.;
"The methane monooxygenase gene cluster of Methylococcus capsulatus (Bath).";
Gene 91:27-34(1990).
[2]
SEQUENCE REVISION TO 254.
McDonald I., Murrell J.C.;
Submitted (MAY-2000) to the EMBL/GenBank/DDBJ databases.
[3]
NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
STRAIN=Bath / NCIMB 11132;
DOI=10.1371/journal.pbio.0020303; PubMed=15383840 [NCBI, ExPASy, EBI, Israel, Japan]
Ward N.L., Larsen O., Sakwa J., Bruseth L., Khouri H.M., Durkin A.S., Dimitrov G., Jiang L., Scanlan D., Kang K.H., Lewis M.R., Nelson K.E., Methe B.A., Wu M., Heidelberg J.F., Paulsen I.T., Fouts D.E., Ravel J., Tettelin H., Ren Q., Read T.D., DeBoy R.T., Seshadri R., Salzberg S.L., Jensen H.B., Birkeland N.K., Nelson W.C., Dodson R.J., Grindhaug S.H., Holt I.E., Eidhammer I., Jonasen I., Vanaken S., Utterback T.R., Feldblyum T.V., Fraser C.M., Lillehaug J.R., Eisen J.A.;
"Genomic insights into methanotrophy: the complete genome sequence of Methylococcus capsulatus (Bath).";
PLoS Biol. 2:1616-1628(2004).
[4]
STRUCTURE BY NMR.
STRAIN=Bath / NCIMB 11132;
DOI=10.1021/bi015668k; PubMed=11772001 [NCBI, ExPASy, EBI, Israel, Japan]
Mueller J., Lugovskoy A.A., Wagner G., Lippard S.J.;
"NMR structure of the [2Fe-2S] ferredoxin domain from soluble methane monooxygenase reductase and interaction with its hydroxylase.";
Biochemistry 41:42-51(2002).
Comments
  • FUNCTION: Responsible for the initial oxygenation of methane to methanol in methanotrophs. It also catalyzes the monohydroxylation of a variety of unactivated alkenes, alicyclic, aromatic and heterocyclic compounds. The component C is the iron-sulfur flavoprotein of sMMO.
  • CATALYTIC ACTIVITY: Methane + NAD(P)H + O2 = methanol + NAD(P)+ + H2O.
  • COFACTOR: Binds 1 2Fe-2S cluster.
  • SUBUNIT: The soluble methane monooxygenase (sMMO) consists of four components A/MMOH (composed of alpha/mmoX, beta/mmoY and gamma/mmoZ), B/MMOB (mmoB), C/MMOR (mmoC) and D/MMOD (mmoD).
  • SIMILARITY: Contains 1 2Fe-2S ferredoxin-type domain.
  • SIMILARITY: Contains 1 FAD-binding FR-type domain.
Copyright
Copyrighted by the UniProt Consortium, see http://www.uniprot.org/terms. Distributed under the Creative Commons Attribution-NoDerivs License.
Cross-references
Sequence databases
EMBL
M90050; AAB62391.2; -; Genomic_DNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
AE017282; AAU92722.1; -; Genomic_DNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
PIR JQ0701; JQ0701.
RefSeq YP_113665.1; -.
3D structure databases
PDB
1JQ4; NMR; -; A=1-98.[ExPASy / RCSB / EBI]
1TVC; NMR; -; A=99-348.[ExPASy / RCSB / EBI]
Detailed list of linked structures.
PDBsum 1JQ4; -.
1TVC; -.
DisProt DP00379; -.
ModBase P22868.
Enzyme and pathway databases
BioCyc MCAP243233:MCA_1200-MON; -.
MetaCyc:MON-3864; -.
Ontologies
GO
GO:0051537; Molecular function: 2 iron, 2 sulfur cluster binding (inferred from electronic annotation from UniProtKB-KW).
GO:0009055; Molecular function: electron carrier activity (inferred from electronic annotation from InterPro).
GO:0005506; Molecular function: iron ion binding (inferred from electronic annotation from UniProtKB-KW).
GO:0015049; Molecular function: methane monooxygenase activity (inferred from electronic annotation from EC).
GO:0022900; Biological process: electron transport chain (inferred from electronic annotation from UniProtKB-KW).
GO:0006730; Biological process: one-carbon compound metabolic process (inferred from electronic annotation from UniProtKB-KW).
GO:0006810; Biological process: transport (inferred from electronic annotation from UniProtKB-KW).
QuickGo view.
Family and domain databases
InterPro IPR006058; 2Fe2S_fd_BS.
IPR012675; b-grasp_ferredoxin-like.
IPR001041; Ferredoxin.
IPR001709; FPN_cyt_redctse.
IPR008333; OxRdtase_FAD-bd.
IPR001433; OxRdtase_FAD/NAD_bd.
IPR001221; Phe_hydroxylase.
Graphical view of domain structure.
Gene3D G3DSA:3.10.20.30; Ferredoxin_fold; 1.
Pfam PF00970; FAD_binding_6; 1.
PF00111; Fer2; 1.
PF00175; NAD_binding_1; 1.
Pfam graphical view of domain structure.
PRINTS PR00371; FPNCR.
PR00410; PHEHYDRXLASE.
PROSITE PS00197; 2FE2S_FER_1; 1.
PS51085; 2FE2S_FER_2; 1.
PS51384; FAD_FR; 1.
PROSITE graphical view of domain structure (profiles).
ProtoNet P22868.
Genome annotation databases
GeneID 3103263; -.
GenomeReviews AE017282_GR; MCA1200.
KEGG mca:MCA1200; -.
NMPDR fig|243233.4.peg.367; -.
TIGR MCA1200; -.
Phylogenomic databases
HOGENOM P22868; -.
Other
UniRef View cluster of proteins with at least 50% / 90% / 100% identity.
Keywords
2Fe-2S; 3D-structure; Complete proteome; Direct protein sequencing; Electron transport; FAD; Flavoprotein; Iron; Iron-sulfur; Metal-binding; Monooxygenase; NADP; One-carbon metabolism; Oxidoreductase; Transport.
Features
SEVIEWER logo Feature table viewer FT aligner logo Feature aligner
KeyFrom   To Length Description FTId
CHAIN   1   348  348     Methane monooxygenase component C. PRO_0000189408
DOMAIN   5    98  94     2Fe-2S ferredoxin-type. 
DOMAIN   106   211  106     FAD-binding FR-type. 
NP_BIND   221   235  15     FAD (By similarity). 
METAL   42    42        Iron-sulfur (2Fe-2S). 
METAL   47    47        Iron-sulfur (2Fe-2S). 
METAL   50    50        Iron-sulfur (2Fe-2S). 
METAL   82    82        Iron-sulfur (2Fe-2S). 
STRAND   4    11  8      
TURN   12    14  3      
STRAND   15    23  9      
HELIX   27    34  8      
STRAND   54    56  3      
TURN   66    68  3      
HELIX   71    77  7      
TURN   81    83  3      
STRAND   90    93  4      
STRAND   106   113  8      
STRAND   117   120  4      
STRAND   123   128  6      
STRAND   134   138  5      
STRAND   147   150  4      
STRAND   156   161  6      
STRAND   167   170  4      
STRAND   173   177  5      
STRAND   183   185  3      
HELIX   186   192  7      
STRAND   193   205  13      
STRAND   214   216  3      
STRAND   218   225  8      
HELIX   228   240  13      
STRAND   246   251  6      
STRAND   253   255  3      
HELIX   261   270  10      
STRAND   271   273  3      
STRAND   275   278  4      
STRAND   288   295  8      
HELIX   296   304  9      
STRAND   305   316  12      
HELIX   317   330  14      
STRAND   335   339  5      
STRAND   343   345  3      
Sequence information
Length: 348 AA [This is the length of the unprocessed precursor] Molecular weight: 38542 Da [This is the MW of the unprocessed precursor] CRC64: 7577BEB408CA1C1F [This is a checksum on the sequence]
        10         20         30         40         50         60 
MQRVHTITAV TEDGESLRFE CRSDEDVITA ALRQNIFLMS SCREGGCATC KALCSEGDYD 

        70         80         90        100        110        120 
LKGCSVQALP PEEEEEGLVL LCRTYPKTDL EIELPYTHCR ISFGEVGSFE AEVVGLNWVS 

       130        140        150        160        170        180 
SNTVQFLLQK RPDECGNRGV KFEPGQFMDL TIPGTDVSRS YSPANLPNPE GRLEFLIRVL 

       190        200        210        220        230        240 
PEGRFSDYLR NDARVGQVLS VKGPLGVFGL KERGMAPRYF VAGGTGLAPV VSMVRQMQEW 

       250        260        270        280        290        300 
TAPNETRIYF GVNTEPELFY IDELKSLERS MRNLTVKACV WHPSGDWEGE QGSPIDALRE 

       310        320        330        340 
DLESSDANPD IYLCGPPGMI DAACELVRSR GIPGEQVFFE KFLPSGAA 

P22868 in FASTA format

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