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UniProtKB/Swiss-Prot entry P14532


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

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Entry information
Entry name CCPR_PSEAE
Primary accession number P14532
Secondary accession number Q51369
Integrated into Swiss-Prot on January 1, 1990
Sequence was last modified on November 1, 1997 (Sequence version 2)
Annotations were last modified on    July 22, 2008 (Entry version 87)
Name and origin of the protein
Protein name Cytochrome c551 peroxidase [Precursor]
Synonyms Cytochrome c peroxidase
CCP
EC 1.11.1.5
Gene name
Name: ccpA
OrderedLocusNames: PA4587
From
Pseudomonas aeruginosa [TaxID: 287] [HAMAP proteome]
Taxonomy Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Pseudomonadaceae; Pseudomonas.
Protein existence 1: Evidence at protein level;
References
[1]
NUCLEOTIDE SEQUENCE [GENOMIC DNA].
STRAIN=NTCC 6750;
DOI=10.1016/0014-5793(95)00461-H; PubMed=7781769 [NCBI, ExPASy, EBI, Israel, Japan]
Ridout C.J., James R., Greenwood C.;
"Nucleotide sequence encoding the di-haem cytochrome c551 peroxidase from Pseudomonas aeruginosa.";
FEBS Lett. 365:152-154(1995).
[2]
NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
STRAIN=ATCC 15692 / PAO1 / 1C / PRS 101 / LMG 12228;
DOI=10.1038/35023079; PubMed=10984043 [NCBI, ExPASy, EBI, Israel, Japan]
Stover C.K., Pham X.-Q.T., Erwin A.L., Mizoguchi S.D., Warrener P., Hickey M.J., Brinkman F.S.L., Hufnagle W.O., Kowalik D.J., Lagrou M., Garber R.L., Goltry L., Tolentino E., Westbrock-Wadman S., Yuan Y., Brody L.L., Coulter S.N., Folger K.R., Kas A., Larbig K., Lim R.M., Smith K.A., Spencer D.H., Wong G.K.-S., Wu Z., Paulsen I.T., Reizer J., Saier M.H. Jr., Hancock R.E.W., Lory S., Olson M.V.;
"Complete genome sequence of Pseudomonas aeruginosa PAO1, an opportunistic pathogen.";
Nature 406:959-964(2000).
[3]
NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 23-346.
DOI=10.1016/0014-5793(95)01326-1; PubMed=8543038 [NCBI, ExPASy, EBI, Israel, Japan]
Samyn B., van Craenenbroeck K., de Smet L., Vandenberghe I., Pettigrew G., van Beeumen J.;
"A reinvestigation of the covalent structure of Pseudomonas aeruginosa cytochrome c peroxidase.";
FEBS Lett. 377:145-149(1995).
[4]
PROTEIN SEQUENCE OF 24-346.
DOI=10.1016/0014-5793(89)80714-8; PubMed=2546794 [NCBI, ExPASy, EBI, Israel, Japan]
Roennberg M., Kalkkinen N., Ellfolk N.;
"The primary structure of Pseudomonas cytochrome c peroxidase.";
FEBS Lett. 250:175-178(1989).
[5]
PARTIAL PROTEIN SEQUENCE.
PubMed=3030432 [NCBI, ExPASy, EBI, Israel, Japan]
Roennberg M.;
"Amino acid sequences of the two heme c-binding sites of Pseudomonas cytochrome-c peroxidase.";
Biochim. Biophys. Acta 912:82-86(1987).
[6]
CHARACTERIZATION.
DOI=10.1016/0167-4838(91)90113-E; PubMed=1657179 [NCBI, ExPASy, EBI, Israel, Japan]
Ellfolk N., Roennberg M., Oesterlund K.;
"Structural and functional features of Pseudomonas cytochrome c peroxidase.";
Biochim. Biophys. Acta 1080:68-77(1991).
[7]
X-RAY CRYSTALLOGRAPHY (2.4 ANGSTROMS).
DOI=10.1016/S0969-2126(01)00258-1; PubMed=8591033 [NCBI, ExPASy, EBI, Israel, Japan]
Fueloep V., Ridout C.J., Greenwood C., Hajdu J.;
"Crystal structure of the di-haem cytochrome c peroxidase from Pseudomonas aeruginosa.";
Structure 3:1225-1233(1995).
Comments
  • FUNCTION: Catalyzes the peroxidative oxidation of azurin and cytochrome c551. Likely to provide protection against toxic peroxides.
  • CATALYTIC ACTIVITY: 2 ferrocytochrome c + H2O2 = 2 ferricytochrome c + 2 H2O.
  • COFACTOR: Binds 2 heme groups. Heme 1 is low-potential (-330 mV) with 2 His axial ligands and functions in the peroxidase reaction, while heme 2 is high potential (+320 mV) with His and Met axial ligands and functions to feed electrons from electron-shuttle proteins such as cytochrome c and azurin.
  • SUBCELLULAR LOCATION: Periplasm.
  • DOMAIN: Organized into two domains, each containing a covalent c-heme in a structure reminiscent of class 1 cytochromes c. The domains are related by a quasi-twofold axis. The domain interface contains a calcium-binding site with an unusual set of ligands.
  • PTM: Binds 2 heme groups per subunit.
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
U23766; AAC43378.1; -; Genomic_DNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
AE004091; AAG07975.1; -; Genomic_DNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
PIR I53515; I53515.
RefSeq NP_253277.1; -.
3D structure databases
PDB
1EB7; X-ray; 2.40 A; A=24-346.[ExPASy / RCSB / EBI]
2VHD; X-ray; 2.30 A; A/B=24-346.[ExPASy / RCSB / EBI]
Detailed list of linked structures.
PDBsum 1EB7; -.
2VHD; -.
ModBase P14532.
Protein family/group databases
PeroxiBase 3543; PaerDiHCcP.
Enzyme and pathway databases
BioCyc PAER208964:PA4587-MON; -.
Organism-specific databases
PseudoCAP PA4587; -.
Ontologies
GO
GO:0004130; Molecular function: cytochrome-c peroxidase activity (inferred from electronic annotation from EC).
QuickGo view.
Family and domain databases
InterPro IPR009056; Cyt_c_monohaem.
IPR004852; CytCP_MauG.
Graphical view of domain structure.
Gene3D G3DSA:1.10.760.10; Cytochrome_c_R; 1.
Pfam PF03150; CCP_MauG; 1.
Pfam graphical view of domain structure.
PROSITE PS51007; CYTC; 2.
PROSITE graphical view of domain structure (profiles).
BLOCKS P14532.
Genome annotation databases
GeneID 881021; -.
GenomeReviews AE004091_GR; PA4587.
KEGG pae:PA4587; -.
Phylogenomic databases
HOGENOM P14532; -.
Genome annotation databases
CMR P14532; PA4587.
Other
ProtoNet P14532.
UniRef View cluster of proteins with at least 50% / 90% / 100% identity.
Keywords
3D-structure; Complete proteome; Direct protein sequencing; Electron transport; Heme; Iron; Metal-binding; Oxidoreductase; Periplasm; Peroxidase; Signal; Transport.
Features
SEVIEWER logo Feature table viewer
KeyFrom   To Length Description FTId
SIGNAL   1    23  23      
CHAIN   24   346  323     Cytochrome c551 peroxidase. PRO_0000006598
METAL   78    78        Iron (heme 1 axial ligand). 
METAL   224   224        Iron (heme 2 axial ligand). 
METAL   284   284        Iron (heme 1 axial ligand). 
METAL   298   298        Iron (heme 2 axial ligand). 
BINDING   74    74        Heme 1 (covalent). 
BINDING   77    77        Heme 1 (covalent). 
BINDING   220   220        Heme 2 (covalent). 
BINDING   223   223        Heme 2 (covalent). 
VARIANT   81    81  1     G -> D. 
VARIANT   83    83  1     G -> D. 
VARIANT   152   152  1     I -> V. 
VARIANT   164   164  1     P -> A. 
VARIANT   198   198  1     K -> I. 
VARIANT   334   334  1     L -> W. 
CONFLICT   86    86        D -> G (in Ref. 3). 
CONFLICT   93    93        Missing (in Ref. 3). 
CONFLICT   96    96        W -> G (in Ref. 3). 
CONFLICT   102   120        Missing (in Ref. 3). 
CONFLICT   137   137        E -> Q (in Ref. 3). 
CONFLICT   175   175        M -> V (in Ref. 2). 
CONFLICT   228   228        Missing (in Ref. 3). 
CONFLICT   286   287        GQ -> QG (in Ref. 3). 
CONFLICT   290   290        E -> Q (in Ref. 3). 
HELIX   25    33  9      
HELIX   51    62  12      
HELIX   64    66  3      
HELIX   74    77  4      
TURN   80    84  5      
HELIX   109   111  3      
STRAND   116   120  5      
HELIX   123   125  3      
HELIX   131   139  9      
HELIX   142   150  9      
HELIX   153   162  10      
STRAND   167   171  5      
HELIX   172   185  14      
HELIX   192   197  6      
HELIX   206   217  12      
HELIX   220   222  3      
TURN   227   229  3      
STRAND   234   241  8      
TURN   253   255  3      
STRAND   256   260  5      
STRAND   266   269  4      
HELIX   276   278  3      
TURN   283   286  4      
HELIX   291   298  8      
STRAND   301   305  5      
HELIX   309   320  12      
Sequence information
Length: 346 AA [This is the length of the unprocessed precursor] Molecular weight: 37403 Da [This is the MW of the unprocessed precursor] CRC64: 8B402E5BA149EA44 [This is a checksum on the sequence]
        10         20         30         40         50         60 
MQSSQLLPLG SLLLSFATPL AQADALHDQA SALFKPIPEQ VTELRGQPIS EQQRELGKKL 

        70         80         90        100        110        120 
FFDPRLSRSH VLSCNTCHNV GTGGADNVPT SVGHGWQKGP RNSPTVFNAV FNAAQFWDGR 

       130        140        150        160        170        180 
AKDLGEQAKG PIQNSVEMHS TPQLVEQTLG SIPEYVDAFR KAFPKAGKPV SFDNMALAIE 

       190        200        210        220        230        240 
AYEATLVTPD SPFDLYLKGD DKALDAQQKK GLKAFMDSGC SACHNGINLG GQAYFPFGLV 

       250        260        270        280        290        300 
KKPDASVLPS GDKGRFAVTK TQSDEYVFRA APLRNVALTA PYFHSGQVWE LKDAVAIMGN 

       310        320        330        340 
AQLGKQLAPD DVENIVAFLH SLSGKQPRVE YPLLPASTET TPRPAE 

P14532 in FASTA format

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