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B5XX60 (PQQC_KLEP3) Reviewed, UniProtKB/Swiss-Prot

Last modified January 25, 2012. Version 22. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
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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:KPK_2543
OrganismKlebsiella pneumoniae (strain 342) [Complete proteome] [HAMAP]
Taxonomic identifier507522 [NCBI]
Taxonomic lineageBacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Klebsiella

Protein attributes

Sequence length251 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
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 – 251251Pyrroloquinoline-quinone synthase HAMAP MF_00654
PRO_1000131177

Sequences

Sequence LengthMass (Da)Tools
B5XX60 [UniParc].

Last modified November 25, 2008. Version 1.
Checksum: DE51184E47D5DF5D

FASTA25129,031
        10         20         30         40         50         60 
MLITDTLSPQ AFEEALRAKG AFYHIHHPYH IAMHNGEATR EQIQGWVANR FYYQTTIPLK 

        70         80         90        100        110        120 
DAAIMANCPD AQTRRKWVQR ILDHDGSHGE DGGIEAWLRL GEAVGLSRDD LLSERHVLPG 

       130        140        150        160        170        180 
VRFAVDAYLN FARRACWQEA ACSSLTELFA PQIHQSRLDS WPQHYPWIKE EGYFYFRSRL 

       190        200        210        220        230        240 
SQANRDVEHG LALAKTYCDS AEKQNRMLEI LQFKLDILWS MLDAMTMAYA LQRPPYHTVT 

       250 
DKAAWHTTRL V

« Hide

References

[1]"Complete genome sequence of the N2-fixing broad host range endophyte Klebsiella pneumoniae 342 and virulence predictions verified in mice."
Fouts D.E., Tyler H.L., DeBoy R.T., Daugherty S., Ren Q., Badger J.H., Durkin A.S., Huot H., Shrivastava S., Kothari S., Dodson R.J., Mohamoud Y., Khouri H., Roesch L.F.W., Krogfelt K.A., Struve C., Triplett E.W., Methe B.A.
PLoS Genet. 4:E1000141-E1000141(2008) [PubMed: 18654632] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: 342.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ		CP000964 Genomic DNA. Translation: ACI08759.1.
RefSeqYP_002238374.1. NC_011283.1.

3D structure databases

ProteinModelPortalB5XX60.
ModBaseSearch...

Protein-protein interaction databases

STRINGB5XX60.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

GeneID6938636.
GenomeReviewsGene locus KPK_2543 in contig CP000964_GR.
KEGGkpe:KPK_2543.
PATRIC20438506. VBIKlePne121904_2625.

Organism-specific databases

CMRSearch...

Phylogenomic databases

HOGENOMHBG288944.
OMADSWPQHY.
ProtClustDBPRK05157.

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_KLEP3
AccessionPrimary (citable) accession number: B5XX60
Entry history
Integrated into UniProtKB/Swiss-Prot: April 14, 2009
Last sequence update: November 25, 2008
Last modified: January 25, 2012
This is version 22 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

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