Reviewed, UniProtKB/Swiss-Prot B7I6M6 (PQQC_ACIB5)

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:	AB57_1990

Organism

Acinetobacter baumannii (strain AB0057) [Complete proteome] [HAMAP]

Taxonomic identifier

480119 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Pseudomonadales › Moraxellaceae › Acinetobacter

Protein attributes

Sequence length	252 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 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 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 – 252	252	Pyrroloquinoline-quinone synthase HAMAP MF_00654		PRO_1000131172

Sequences

	Sequence		Length	Mass (Da)
	B7I6M6-1 [UniParc]. Last modified February 10, 2009. Version 1. Checksum: 9D00A7DBC1CA0959	FASTA	252	29,665
	10 20 30 40 50 60 MTQTPEALTT EQFKQAIIDK GQYYHIYHPF HVMMYEGKAT QQQIQAWVAN RYYYQINIPL 70 80 90 100 110 120 KDAAIMANCP DQRVRQEWIQ RMIDQDGEYP DGGGREAWLR LAEAVGLSRE QVISEELVLP 130 140 150 160 170 180 GVRFAVDAYV NFARRASWRE AASSSLTELF APQIHQSRLE SWPQHYPWID DKGYEYFRSR 190 200 210 220 230 240 LSQARRDVEH GLTITLDSFT THEQQQRMLE ILQFKLDILW SILDALTLAY VHNEAPYHSV 250 TQERVWHKGL FK

References

[1]

"Comparative genome sequence analysis of multidrug-resistant Acinetobacter baumannii." Adams M.D., Goglin K., Molyneaux N., Hujer K.M., Lavender H., Jamison J.J., MacDonald I.J., Martin K.M., Russo T., Campagnari A.A., Hujer A.M., Bonomo R.A., Gill S.R. J. Bacteriol. 190:8053-8064(2008) [PubMed: 18931120] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CP001182 Genomic DNA. Translation: ACJ41363.1.
RefSeq	YP_002319346.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	7044168.
GenomeReviews	Gene locus AB57_1990 in contig CP001182_GR.
KEGG	abn:AB57_1990.
Organism-specific databases
CMR	Search...
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_ACIB5

Accession

Primary (citable) accession number: B7I6M6

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 14, 2009
Last sequence update:	February 10, 2009
Last modified:	June 16, 2009
This is version 6 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)