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Standard Name	paaX
Gene Synonym(s)	ECK1396, b1399, JW1394, ydbY^[1], ydbY
Product Desc.	PaaX transcriptional regulator^[2]; PaaX transcriptional repressor^[3] Phenylacetic acid degradation^[4]
Product Synonyms(s)	DNA-binding transcriptional repressor of phenylacetic acid degradation, aryl-CoA responsive^[1], B1399^[2]^[1], YdbY^[2]^[1], PaaX^[2]^[1] , ECK1396, JW1394, ydbY, b1399
Function from GO	<GO_nr />
Knock-Out Phenotype
Regulation/Expression	transcription unit(s): paaXY^[2]
Regulation/Activity
Quick Links
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Notes

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Gene

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Nomenclature

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See Help:Gene_nomenclature for help with entering information in the Gene Nomenclature table.

Standard name	paaX
Mnemonic	Phenylacetic acid
Synonyms	ECK1396, b1399, JW1394, ydbY^[1], ydbY
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Notes

Location(s) and DNA Sequence

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<protect> See Help:Gene_location for help entering information in the Gene Location and DNA sequence table.

Strain	Map location	Genome coordinates	Genome browsers	Sequence links
MG1655	31.5 minutes	MG1655: 1461563..1462513 <gbrowseImage> name=NC_000913:1461563..1462513 source=MG1655 preset=GeneLocation </gbrowseImage>	EcoCyc GBrowse(MG1655)	FASTA Dump EcoCyc Sequence Dump
BW2952		NC_012759: 1353622..1354572 <gbrowseImage> name=NC_012759:1353622..1354572 source=BW2952 preset=GeneLocation </gbrowseImage>	GBrowse (BW2952)	FASTA Dump
W3110		W3110: 1465253..1466203 <gbrowseImage> name=NC_007779:1465253..1466203 source=W3110 preset=GeneLocation </gbrowseImage>	GBrowse(W3110)	FASTA Dump
DH10B		DH10B: 1552158..1553108 <gbrowseImage> name=NC_010473:1552158..1553108 source=DH10B preset=GeneLocation </gbrowseImage>	GBrowse(DH10B)	FASTA Dump
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Notes

Sequence Features

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See Help:Gene_sequence_features for help in entering sequence features in EcoliWiki.

Feature Type	Strain	Genomic Location	Evidence	Reference	Notes
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Notes

Alleles and Phenotypes

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See Help:Gene_alleles for how to enter or edit alleles and phenotypes in EcoliWiki.

Allele	Nt change(s)	AA change(s)	Phenotype: Description	Reference	Availability	Comments
ΔpaaX (Keio:JW1394)	deletion	deletion		PMID:16738554	Shigen CGSC9232^[5]
paaXI315T		I315T	(in strain: W)			Strain variation; seeded from UniProt:P76086
paaXD5V		D5V	(in strain: W)			Strain variation; seeded from UniProt:P76086
paaXL311I		L311I	(in strain: W)			Strain variation; seeded from UniProt:P76086
ΔpaaX763::kan				PMID:16738554	CGSC:102236
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Notes

Genetic Interactions

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Interactor	Interaction	Allele	Score(s)	Reference(s)	Accessions	Notes
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Notes

Genetic Resources

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See Help:Gene_resources for help entering information into the Genetic Resources table.

Resource	Resource Type	Source	Notes/Reference
JW1394	Plasmid clone	Shigen	PMID:16769691 Status:Clone OK Primer 1:GCCAGTAAACTTGATACTTTTAT Primer 2:CCTCTGATAAATTGGCATAACGC
1A7	Kohara Phage	Genobase	PMID:3038334
zhj-3076::Tn10	Linked marker	CAG18640 = CGSC7453^[5]	est. P1 cotransduction: 34% ^[6]
trg-2::Tn10	Linked marker	CAG12026 = CGSC7376^[5]	est. P1 cotransduction: 28% ^[6]
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Notes

Accessions in Other Databases

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See Help:Gene_accessions for help with entering information into the Gene Accessions table.

Database	Accession	Notes
EcoCyc	EcoCyc:G6720	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG13746	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120003314	Escherichia coli str. K-12 substr. MG1655
NCBI (EcoliWiki Page)	GeneID:945966	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB3509	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0004674	Escherichia coli str. K-12 substr. MG1655
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Notes

Links

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Name	URL	Comments
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Product(s)

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Nomenclature

See Help:Product_nomenclature for help entering or editing information in this section of EcoliWiki.

Standard name	PaaX
Synonyms	DNA-binding transcriptional repressor of phenylacetic acid degradation, aryl-CoA responsive^[1], B1399^[2]^[1], YdbY^[2]^[1], PaaX^[2]^[1] , ECK1396, JW1394, ydbY, b1399
Product description	PaaX transcriptional regulator^[2]; PaaX transcriptional repressor^[3] Phenylacetic acid degradation^[4]
EC number (for enzymes)
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Notes

Function

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<protect> Gene Ontology
See Help:Gene_ontology for help entering or editing GO terms and GO annotations in EcoliWiki.

Qualifier	GO ID	GO term name	Reference	Evidence Code	with/from	Aspect	Notes	Status
	GO:0003677	DNA binding	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0238	F	Seeded from EcoCyc (v14.0)	complete
	GO:0006350	transcription	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0804	P	Seeded from EcoCyc (v14.0)	complete
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Interactions See Help:Product_interactions for help entering or editing information about gene product interactions in this section of EcoliWiki.

Partner Type	Partner	References	Evidence
Protein	aceF	PMID:15690043	Experiment(s):EBI-878671
Protein	lpdA	PMID:15690043	Experiment(s):EBI-878671, EBI-881427
Protein	rplB	PMID:16606699	Experiment(s):EBI-1139767
Protein	groL	PMID:16606699	Experiment(s):EBI-1139767
Protein	rpmB	PMID:16606699	Experiment(s):EBI-1139767
Protein	rplC	PMID:15690043	Experiment(s):EBI-881427
Protein	rplM	PMID:15690043	Experiment(s):EBI-881427
Protein	rplO	PMID:15690043	Experiment(s):EBI-881427
Protein	rplT	PMID:15690043	Experiment(s):EBI-881427
Protein	rplU	PMID:15690043	Experiment(s):EBI-881427
Protein	rplV	PMID:15690043	Experiment(s):EBI-881427
Protein	rpmB	PMID:15690043	Experiment(s):EBI-881427
Protein	rpsG	PMID:15690043	Experiment(s):EBI-881427
Protein	rpsL	PMID:15690043	Experiment(s):EBI-881427
Protein	rpmB	PMID:19402753	LCMS(ID Probability):99.6
Protein	rpsL	PMID:19402753	LCMS(ID Probability):99.6
Protein	rplM	PMID:19402753	LCMS(ID Probability):99.6
Protein	rplO	PMID:19402753	LCMS(ID Probability):99.6
Protein	rplT	PMID:19402753	LCMS(ID Probability):99.6
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Notes

Localization

See Help:Product_localization for how to add or edit information in this section of EcoliWiki.

Compartment	Description	Evidence	Reference/Source	Notes
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Notes

Structure and Physical Properties

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<protect> Physical Properties See Help:Product_physical_properties for help entering or editing information about the physical properties of this gene product.

Name
Sequence	at EcoCyc MSKLDTFIQH AVNAVPVSGT SLISSLYGDS LSHRGGEIWL GSLAALLEGL GFGERFVRTA LFRLNKEGWL DVSRIGRRSF YSLSDKGLRL TRRAESKIYR AEQPAWDGKW LLLLSEGLDK STLADVKKQL IWQGFGALAP SLMASPSQKL ADVQTLLHEA GVADNVICFE AQIPLALSRA ALRARVEECW HLTEQNAMYE TFIQSFRPLV PLLKEAADEL TPERAFHIQL LLIHFYRRVV LKDPLLPEEL LPAHWAGHTA RQLCINIYQR VAPAALAFVS EKGETSVGEL PAPGSLYFQR FGGLNIEQEA LCQFIR
Length	316
Mol. Wt	35.295 kDa
pI	7.6 (calculated)
Extinction coefficient	48,930 - 49,430 (calc based on 7 Y, 7 W, and 4 C residues)
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Domains/Motifs/Modification Sites

See Help:Product_domains_motifs for help entering or editing information in this section of EcoliWiki.

Type	Residues	Description	References
Domain	18..87	PF07848 PaaX-like protein	PMID:19920124
Domain	103..282	PF08223 PaaX-like protein C-terminal domain	PMID:19920124
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<motif_map/>

Structure
See Help:Product_structure for help entering or editing information in this section of EcoliWiki.

Structures

<beststructure> gene=paaX taxon=562,83333 </beststructure>

Models

View models at:

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Structure figures

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Notes

Gene Product Resources

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See Help:Product_resources for help with entering or editing information in this section of EcoliWiki.

Resource type	Source	Notes/Reference
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Notes

Accessions in Other Databases

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See Help:Gene_accessions for help with entering information into the Gene Accessions table.

Database	Accession	Notes
NCBI (Protein) (EcoliWiki Page)	GI:16129360	Escherichia coli str. K-12 substr. MG1655
NCBI (Protein) (EcoliWiki Page)	GeneID:945966	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0004674	Escherichia coli str. K-12 substr. MG1655
UniProt (EcoliWiki Page)	UniProtKB/Swiss-Prot:P76086	Escherichia coli str. K-12 substr. MG1655
EcoCyc	EcoCyc:G6720	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG13746	Escherichia coli str. K-12 substr. MG1655
NCBI (Gene) (EcoliWiki Page)	GeneID:945966	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120003314	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB3509	Escherichia coli str. K-12 substr. MG1655
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Notes

Links

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Name	URL	Comments
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Expression

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Overview

This is a placeholder for a summary statement on how expression of this gene product is regulated. You can help EcoliWiki by becoming a user and writing/editing this statement.

Cellular Levels

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See Help:Cellular levels

Molecule	Organism or Strain	Value	Units	Experimental Conditions	Assay used	Reference(s)
Protein	E. coli K-12 MG1655	177	molecules/cell/generation	Medium: MOPS Complete Temperature (°C): 37 Doubling time (min): *Growth phase: OD: other:	Ribosome Profiling	PMID: 24766808
Protein	E. coli K-12 MG1655	140	molecules/cell/generation	Medium: MOPS Minimal Temperature (°C): 37 Doubling time (min): *Growth phase: OD: other:	Ribosome Profiling	PMID: 24766808
Protein	E. coli K-12 MG1655	73	molecules/cell/generation	Medium: MOPS Complete without Methionine Temperature (°C): 37 Doubling time (min): *Growth phase: OD: other:	Ribosome Profiling	PMID: 24766808
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Notes

Transcription and Transcriptional Regulation

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See Help:Expression_transcription for help entering or editing information in this section of EcoliWiki.

Transcription unit(s)
paaXY
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Figure courtesy of RegulonDB

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Notes

This is a placeholder for a summary statement about how transcription of this gene is regulated. You can help EcoliWiki by becoming a user and writing/editing this statement.

Translation and Regulation of Translation

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<protect><gbrowseImage> name=NC_000913:1461543..1461583 source=MG1655 type=Gene+DNA_+Protein preset=Nterminus </gbrowseImage> This picture shows the sequence around the N-terminus.

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Notes

This is a placeholder for a summary statement about how translation of this gene product is regulated. You can help EcoliWiki by becoming a user and writing/editing this statement.

Turnover and Regulation of Turnover

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Notes

This is a placeholder for a summary statement about turnover of this gene product. You can help EcoliWiki by becoming a user and writing/editing this statement.

Experimental

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<protect> Mutations Affecting Expression See Help:Expression_mutations for help entering or editing information in this section of EcoliWiki.

Allele Name	Mutation	Phenotype	Reference
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Expression Studies See Help:Expression_studies for help entering or editing information in this section of EcoliWiki.

Type	Reference	Notes
microarray	GEO Profiles:b1399 (EcoliWiki Page)	NCBI GEO profiles for paaX
microarray	GenExpDB:b1399 (EcoliWiki Page)	Summary of data for paaX from multiple microarray studies
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Expression Resources See Help:Expression_resources for help entering or editing information in this section of EcoliWiki.

Resource Name	Resource Type	Description	Source	Notes
	GFP Fusion	Intergenic region (1461394..1461598) fused to gfpmut2.	OpenBioSystems	GFP fusion described in Zaslaver, et al. Plate:109-AZ11; Well:F12^[7]
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Notes

Accessions Related to paaX Expression

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See Help:Gene_accessions for help with entering information into the Gene Accessions table.

Database	Accession	Notes
EcoCyc	EcoCyc:G6720	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB3509	Escherichia coli str. K-12 substr. MG1655
EcoliGenExpDB (EcoliWiki Page)	EcoliGenExpDB:b1399
EcoGene	EcoGene:EG13746	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120003314	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0004674	Escherichia coli str. K-12 substr. MG1655
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Notes

Links

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Name	URL	Comments
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Evolution

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Homologs in Other Organisms

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<protect> See Help:Evolution_homologs for help entering or editing information in this section of EcoliWiki.

Organism	Homologs (Statistics)	Comments
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Do-It-Yourself Web Tools

Notes

Families

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See Help:Gene_accessions for help with entering information into the Gene Accessions table.

Database	Accession	Notes
Pfam (EcoliWiki Page)	PF07848 PaaX-like protein
Pfam (EcoliWiki Page)	PF08223 PaaX-like protein C-terminal domain
EcoCyc	EcoCyc:G6720	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG13746	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120003314	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB3509	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0004674	Escherichia coli str. K-12 substr. MG1655
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Notes

Links

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Name	URL	Comments
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References

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See Help:References for how to manage references in EcoliWiki.

↑ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 ^1.5 ^1.6 ^1.7 ^1.8 ^1.9 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
↑ ^2.0 ^2.1 ^2.2 ^2.3 ^2.4 ^2.5 ^2.6 ^2.7 ^2.8 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
↑ ^3.0 ^3.1 EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
↑ ^4.0 ^4.1 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.
↑ ^5.0 ^5.1 ^5.2 CGSC: The Coli Genetics Stock Center
↑ ^6.0 ^6.1 The Tn10 insertion sites determined by Nichols et al. 1998 (PMID:9829956) were reannotated by alignment with E. coli K-12 genome sequence (GenBank accession NC_000913). P1 contransduction frequencies were calculated using the formula of Wu (PMID:5338813).
↑ Zaslaver, A et al. (2006) A comprehensive library of fluorescent transcriptional reporters for Escherichia coli. Nat. Methods 3 623-8 PubMed

paaX:On One Page

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Gene

Nomenclature

Notes

Location(s) and DNA Sequence

Notes

Sequence Features

Notes

Alleles and Phenotypes

Notes

Genetic Interactions

Notes

Genetic Resources

Notes

Accessions in Other Databases

Notes

Links

Product(s)

Nomenclature

Notes

Function

Notes

Localization

Notes

Structure and Physical Properties

Structure figures

Notes

Gene Product Resources

Notes

Accessions in Other Databases

Notes

Links

Expression

Overview

Cellular Levels

Notes

Transcription and Transcriptional Regulation

Notes

Translation and Regulation of Translation

Notes

Turnover and Regulation of Turnover

Notes

Experimental

Notes

Accessions Related to paaX Expression

Notes

Links

Evolution

Homologs in Other Organisms

Do-It-Yourself Web Tools

Notes

Families

Notes

Links

References

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