Reviewed, UniProtKB/Swiss-Prot Q3BQI6 (PQQC_XANC5)

Names and origin

Protein names

Recommended 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:	XCV3246

Organism

Xanthomonas campestris pv. vesicatoria (strain 85-10) [Complete proteome] [HAMAP]

Taxonomic identifier

316273 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Xanthomonadales › Xanthomonadaceae › Xanthomonas

Protein attributes

Sequence length	250 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred 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.
Catalytic activity	6-(2-amino-2-carboxyethyl)-7,8-dioxo-1,2,3,4,7,8-hexahydroquinoline-2,4-dicarboxylate + 3 O(2) = 4,5-dioxo-4,5-dihydro-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylate + 2 H(2)O(2) + 2 H(2)O.
Pathway	Cofactor biosynthesis; pyrroloquinoline quinone biosynthesis.
Sequence similarities	Belongs to the pqqC family.

Ontologies

Keywords
Biological process	PQQ biosynthesis
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW pyrroloquinoline quinone biosynthetic process Inferred from electronic annotation. Source: HAMAP
Molecular function	pyrroloquinoline-quinone synthase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 250	250	Pyrroloquinoline-quinone synthase		PRO_1000061680

Sequences

	Sequence		Length	Mass (Da)
	Q3BQI6-1 [UniParc]. Last modified November 22, 2005. Version 1. Checksum: 12C97099DCF08B51	FASTA	250	28,103
	10 20 30 40 50 60 MTALLSPDQL EADLRAIGAR LYHDQHPFHA LLHHGKLDRG QVQAWALNRF EYQRCIPLKD 70 80 90 100 110 120 AAILARMEDP ALRRIWRQRI LDHDGNSASD GGIARWLHLT DALGLDRTLV ESGRALLPGT 130 140 150 160 170 180 RFAVQAYLHF VREKSLLEAI ASSLTELFAP NIIGQRVAGM LKHYDFVSSE ALAYFEHRLT 190 200 210 220 230 240 EAPRDSDFAL DYVKQHADTV EKQALVKAAL HFKCSVLWAQ LDALHVAYVT PGIVWPDAFV 250 PDRDASRVAA

References

[1]

"Insights into genome plasticity and pathogenicity of the plant pathogenic Bacterium Xanthomonas campestris pv. vesicatoria revealed by the complete genome sequence." Thieme F., Koebnik R., Bekel T., Berger C., Boch J., Buettner D., Caldana C., Gaigalat L., Goesmann A., Kay S., Kirchner O., Lanz C., Linke B., McHardy A.C., Meyer F., Mittenhuber G., Nies D.H., Niesbach-Kloesgen U. , Patschkowski T., Rueckert C., Rupp O., Schneiker S., Schuster S.C., Vorhoelter F.J., Weber E., Puehler A., Bonas U., Bartels D., Kaiser O. J. Bacteriol. 187:7254-7266(2005) [PubMed: 16237009] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	AM039952 Genomic DNA. Translation: CAJ24977.1.
RefSeq	YP_364977.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	3732994.
GenomeReviews	Gene locus XCV3246 in contig AM039952_GR.
KEGG	xcv:XCV3246.
NMPDR	fig|316273.3.peg.3261.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q3BQI6.
Enzyme and pathway databases
BioCyc	XCAM316273:XCV3246-MON.
Family and domain databases
HAMAP	MF_00654. [Tree]
InterPro	IPR016084. Haem_Oase-like_multi-hlx. IPR011845. PQQ_synth_PqqC. IPR004305. TENA/THI4/PQQ_synth_PqqC. [Graphical view]
Gene3D	G3DSA:1.20.910.10. Haem_Oase-like_multi-hlx. 1 hit.
Pfam	PF03070. TENA_THI-4. 1 hit. [Graphical view]
TIGRFAMs	TIGR02111. PQQ_syn_pqqC. 1 hit.
ProtoNet	Search...

Entry information

Entry name

PQQC_XANC5

Accession

Primary (citable) accession number: Q3BQI6

Entry history

Integrated into UniProtKB/Swiss-Prot:	February 5, 2008
Last sequence update:	November 22, 2005
Last modified:	November 4, 2008
This is version 23 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)