UniProtKB - Q02LD6 (PQQE_PSEAB)
Protein
PqqA peptide cyclase
Gene
pqqE
Organism
Pseudomonas aeruginosa (strain UCBPP-PA14)
Status
Functioni
Catalyzes the cross-linking of a glutamate residue and a tyrosine residue in the PqqA protein as part of the biosynthesis of pyrroloquinoline quinone (PQQ).UniRule annotation
Catalytic activityi
- [PQQ precursor protein] + S-adenosyl-L-methionine = 5'-deoxyadenosine + E-Y cross-linked-[PQQ precursor protein] + H+ + L-methionineUniRule annotationEC:1.21.98.4UniRule annotation
Cofactori
[4Fe-4S] clusterUniRule annotationNote: Binds 1 [4Fe-4S] cluster. The cluster is coordinated with 3 cysteines and an exchangeable S-adenosyl-L-methionine.UniRule annotation
: pyrroloquinoline quinone biosynthesis Pathwayi
This protein is involved in the pathway pyrroloquinoline quinone biosynthesis, which is part of Cofactor biosynthesis.UniRule annotationView all proteins of this organism that are known to be involved in the pathway pyrroloquinoline quinone biosynthesis and in Cofactor biosynthesis.
Sites
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Metal bindingi | 26 | Iron-sulfur (4Fe-4S-S-AdoMet)UniRule annotation | 1 | |
Metal bindingi | 30 | Iron-sulfur (4Fe-4S-S-AdoMet)UniRule annotation | 1 | |
Metal bindingi | 33 | Iron-sulfur (4Fe-4S-S-AdoMet)UniRule annotation | 1 |
GO - Molecular functioni
- 4 iron, 4 sulfur cluster binding Source: UniProtKB-KW
- cyclase activity Source: UniProtKB-UniRule
- iron ion binding Source: UniProtKB-UniRule
- oxidoreductase activity Source: UniProtKB-KW
- S-adenosyl-L-methionine binding Source: UniProtKB-UniRule
GO - Biological processi
- pyrroloquinoline quinone biosynthetic process Source: UniProtKB-UniRule
Keywordsi
Molecular function | Oxidoreductase |
Biological process | PQQ biosynthesis |
Ligand | 4Fe-4S, Iron, Iron-sulfur, Metal-binding, S-adenosyl-L-methionine |
Enzyme and pathway databases
BioCyci | PAER208963:G1G74-3259-MONOMER |
UniPathwayi | UPA00539 |
Names & Taxonomyi
Protein namesi | Recommended name: PqqA peptide cyclaseUniRule annotation (EC:1.21.98.4UniRule annotation)Alternative name(s): Coenzyme PQQ synthesis protein EUniRule annotation Pyrroloquinoline quinone biosynthesis protein EUniRule annotation |
Gene namesi | Name:pqqEUniRule annotation Ordered Locus Names:PA14_38780 |
Organismi | Pseudomonas aeruginosa (strain UCBPP-PA14) |
Taxonomic identifieri | 208963 [NCBI] |
Taxonomic lineagei | Bacteria › Proteobacteria › Gammaproteobacteria › Pseudomonadales › Pseudomonadaceae › Pseudomonas › |
Proteomesi |
|
PTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
ChainiPRO_1000061916 | 1 – 381 | PqqA peptide cyclaseAdd BLAST | 381 |
Proteomic databases
PRIDEi | Q02LD6 |
Interactioni
Subunit structurei
Interacts with PqqD. The interaction is necessary for activity of PqqE.
UniRule annotationFamily & Domainsi
Domains and Repeats
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Domaini | 12 – 228 | Radical SAM corePROSITE-ProRule annotationAdd BLAST | 217 |
Sequence similaritiesi
Phylogenomic databases
HOGENOMi | CLU_009273_4_7_6 |
OMAi | APDPGCI |
Family and domain databases
Gene3Di | 3.20.20.70, 1 hit |
HAMAPi | MF_00660, PqqE, 1 hit |
InterProi | View protein in InterPro IPR023885, 4Fe4S-binding_SPASM_dom IPR013785, Aldolase_TIM IPR006638, Elp3/MiaB/NifB IPR000385, MoaA_NifB_PqqE_Fe-S-bd_CS IPR011843, PQQ_synth_PqqE_bac IPR017200, PqqE-like IPR007197, rSAM |
Pfami | View protein in Pfam PF04055, Radical_SAM, 1 hit PF13186, SPASM, 1 hit |
PIRSFi | PIRSF037420, PQQ_syn_pqqE, 1 hit |
SFLDi | SFLDF00280, coenzyme_PQQ_synthesis_protein, 1 hit |
SMARTi | View protein in SMART SM00729, Elp3, 1 hit |
TIGRFAMsi | TIGR02109, PQQ_syn_pqqE, 1 hit TIGR04085, rSAM_more_4Fe4S, 1 hit |
PROSITEi | View protein in PROSITE PS01305, MOAA_NIFB_PQQE, 1 hit PS51918, RADICAL_SAM, 1 hit |
i Sequence
Sequence statusi: Complete.
Q02LD6-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MRNSGSSCSE SVGPPLWLLA ELTYRCPLQC PYCSNPLEFA REGAELSTAE
60 70 80 90 100
WIEVFRQARE LGAAQLGFSG GEPLLRQDLA ELIEAGRGLG FYTNLITSGI
110 120 130 140 150
GLDEARLARF AEAGLDHVQI SFQAADEEVN NLLAGSRKAF AQKLAMARAV
160 170 180 190 200
KAHGYPMVLN FVTHRHNIDN IERIIQLCIE LEADYVELAT CQFYGWAALN
210 220 230 240 250
RAGLLPTRAQ LERAERITAE YRQRLAAEGN PCKLIFVTPD YYEERPKACM
260 270 280 290 300
GGWASVFLDI TPDGTALPCH SARQLPVQFP NVREHSLRHI WYESFGFNRY
310 320 330 340 350
RGDAWMPEPC RSCEEKERDH GGCRCQAFLL TGDADATDPV CAKSARHDLI
360 370 380
LAARRQAEEA PLGLDALTWR NQRASRLICK A
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | CP000438 Genomic DNA Translation: ABJ11176.1 |
RefSeqi | WP_003119136.1, NZ_CP034244.1 |
Genome annotation databases
EnsemblBacteriai | ABJ11176; ABJ11176; PA14_38780 |
KEGGi | pau:PA14_38780 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | CP000438 Genomic DNA Translation: ABJ11176.1 |
RefSeqi | WP_003119136.1, NZ_CP034244.1 |
3D structure databases
SMRi | Q02LD6 |
ModBasei | Search... |
Proteomic databases
PRIDEi | Q02LD6 |
Genome annotation databases
EnsemblBacteriai | ABJ11176; ABJ11176; PA14_38780 |
KEGGi | pau:PA14_38780 |
Phylogenomic databases
HOGENOMi | CLU_009273_4_7_6 |
OMAi | APDPGCI |
Enzyme and pathway databases
UniPathwayi | UPA00539 |
BioCyci | PAER208963:G1G74-3259-MONOMER |
Family and domain databases
Gene3Di | 3.20.20.70, 1 hit |
HAMAPi | MF_00660, PqqE, 1 hit |
InterProi | View protein in InterPro IPR023885, 4Fe4S-binding_SPASM_dom IPR013785, Aldolase_TIM IPR006638, Elp3/MiaB/NifB IPR000385, MoaA_NifB_PqqE_Fe-S-bd_CS IPR011843, PQQ_synth_PqqE_bac IPR017200, PqqE-like IPR007197, rSAM |
Pfami | View protein in Pfam PF04055, Radical_SAM, 1 hit PF13186, SPASM, 1 hit |
PIRSFi | PIRSF037420, PQQ_syn_pqqE, 1 hit |
SFLDi | SFLDF00280, coenzyme_PQQ_synthesis_protein, 1 hit |
SMARTi | View protein in SMART SM00729, Elp3, 1 hit |
TIGRFAMsi | TIGR02109, PQQ_syn_pqqE, 1 hit TIGR04085, rSAM_more_4Fe4S, 1 hit |
PROSITEi | View protein in PROSITE PS01305, MOAA_NIFB_PQQE, 1 hit PS51918, RADICAL_SAM, 1 hit |
ProtoNeti | Search... |
MobiDBi | Search... |
Entry informationi
Entry namei | PQQE_PSEAB | |
Accessioni | Q02LD6Primary (citable) accession number: Q02LD6 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | February 5, 2008 |
Last sequence update: | November 14, 2006 | |
Last modified: | February 10, 2021 | |
This is version 87 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Prokaryotic Protein Annotation Program |
Miscellaneousi
Documents
- PATHWAY comments
Index of metabolic and biosynthesis pathways - SIMILARITY comments
Index of protein domains and families