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Q9I2C2 (PQQC_PSEAE) Reviewed, UniProtKB/Swiss-Prot

Last modified January 25, 2012. Version 57. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Pyrroloquinoline-quinone synthase

EC=1.3.3.11
Alternative name(s):
Coenzyme PQQ synthesis protein C
Pyrroloquinoline quinone biosynthesis protein C
Gene names
Name:pqqC
Ordered Locus Names:PA1987
OrganismPseudomonas aeruginosa (strain ATCC 15692 / PAO1 / 1C / PRS 101 / LMG 12228)
Taxonomic identifier208964 [NCBI]
Taxonomic lineageBacteriaProteobacteriaGammaproteobacteriaPseudomonadalesPseudomonadaceaePseudomonas

Protein attributes

Sequence length250 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Function

Ring cyclization and eight-electron oxidation of 3a-(2-amino-2-carboxyethyl)-4,5-dioxo-4,5,6,7,8,9-hexahydroquinoline-7,9-dicarboxylic-acid to PQQ By similarity. HAMAP MF_00654

Catalytic activity

6-(2-amino-2-carboxyethyl)-7,8-dioxo-1,2,3,4,7,8-hexahydroquinoline-2,4-dicarboxylate + 3 O2 = 4,5-dioxo-4,5-dihydro-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylate + 2 H2O2 + 2 H2O. HAMAP MF_00654

Pathway

Cofactor biosynthesis; pyrroloquinoline quinone biosynthesis. HAMAP MF_00654

Sequence similarities

Belongs to the pqqC family.

Ontologies

Keywords
   Biological processPQQ biosynthesis
   Molecular functionOxidoreductase
   Technical termComplete proteome
Reference proteome
Gene Ontology (GO)
   Biological processpyrroloquinoline quinone biosynthetic process

Inferred from electronic annotation. Source: UniProtKB-KW

   Molecular functionpyrroloquinoline-quinone synthase activity

Inferred from electronic annotation. Source: EC

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 250250Pyrroloquinoline-quinone synthase HAMAP MF_00654
PRO_0000219982

Sequences

Sequence LengthMass (Da)Tools
Q9I2C2 [UniParc].

Last modified March 1, 2001. Version 1.
Checksum: 6245E87D0C200E46

FASTA25029,449
        10         20         30         40         50         60 
MSRAAMDRAE FERALRDKGR YYHIHHPFHV AMYEGRASRE QIQGWVANRF YYQVNIPLKD 

        70         80         90        100        110        120 
AAILANCPDR EVRREWIQRI LDHDGAPGEA GGIEAWLRLA EAVGLEREQV LSEERVLPGV 

       130        140        150        160        170        180 
RFAVDAYVNF ARRASWQEAA SSSLTELFAP QIHQSRLDSW PRHYPWIEAA GYEYFRSRLA 

       190        200        210        220        230        240 
QARRDVEHGL RITLEHYRTR EAQERMLDIL QFKLDVLWSM LDAMSMAYEL ERPPYHTVTR 

       250 
ERVWHRGLAS 

« Hide

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
AE004091 Genomic DNA. Translation: AAG05375.1.
PIRC83397.
RefSeqNP_250677.1. NC_002516.2.

3D structure databases

ProteinModelPortalQ9I2C2.
SMRQ9I2C2. Positions 11-245.
ModBaseSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

GeneID879112.
GenomeReviewsGene locus PA1987 in contig AE004091_GR.
KEGGpae:PA1987.
PATRIC19838381. VBIPseAer58763_2071.

Organism-specific databases

PseudoCAPPA1987.

Phylogenomic databases

HOGENOMHBG288944.
OMADSWPQHY.
ProtClustDBPRK05157.

Enzyme and pathway databases

BioCycPAER208964:PA1987-MONOMER.

Family and domain databases

HAMAPMF_00654. PQQ_syn_PqqC.
[Tree]
InterProIPR016084. Haem_Oase-like_multi-hlx.
IPR011845. PQQ_synth_PqqC.
IPR004305. TENA/THI4/PQQ_synthPqqC_dom.
[Graphical view]
Gene3DG3DSA:1.20.910.10. Haem_Oase-like_multi-hlx. 1 hit.
KOK06137.
PfamPF03070. TENA_THI-4. 1 hit.
[Graphical view]
SUPFAMSSF48613. Heme_oxygenase. 1 hit.
TIGRFAMsTIGR02111. PQQ_syn_pqqC. 1 hit.
ProtoNetSearch...

Entry information

Entry namePQQC_PSEAE
AccessionPrimary (citable) accession number: Q9I2C2
Entry history
Integrated into UniProtKB/Swiss-Prot: June 16, 2003
Last sequence update: March 1, 2001
Last modified: January 25, 2012
This is version 57 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

PATHWAY comments

Index of metabolic and biosynthesis pathways

SIMILARITY comments

Index of protein domains and families