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Product(s) |

Expression|

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Standard Name	lsrA
Gene Synonym(s)	ego, ECK1506, b1513, JW1506, ydeX^[1]^[2], lsrA, ydeX
Product Desc.	LsrA^[2]^[3]; Component of LsrA/LsrC/LsrD/LsrB ABC transporter^[2]^[3] Autoinducer-2 (AI-2) uptake; essential for aerobic growth; upregulated in biofilms^[4]
Product Synonyms(s)	fused AI2 transporter subunits of ABC superfamily: ATP-binding components^[1], B1513^[2]^[1], YdeX^[2]^[1], Ego^[2]^[1] , ECK1506, ego, JW1506, lsrA, ydeX, b1513
Function from GO	<GO_nr />
Knock-Out Phenotype
Regulation/Expression	transcription unit(s): lsrACDBFG^[2]
Regulation/Activity
Quick Links
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Notes

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LsrA is paralogous to ribose transport ATPase RbsA. LsrA is in an operon regulated by LsrR and LuxS, through AI-2. Biofilm microarray result was validated with RT-PCR. CRP regulon.^[4]

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	lsrA
Mnemonic	luxS regulated
Synonyms	ego, ECK1506, b1513, JW1506, ydeX^[1]^[2], lsrA, ydeX
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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	34.47 minutes	MG1655: 1599514..1601049 <gbrowseImage> name=NC_000913:1599514..1601049 source=MG1655 preset=GeneLocation </gbrowseImage>	EcoCyc GBrowse(MG1655)	FASTA Dump EcoCyc Sequence Dump
BW2952		NC_012759: 1491573..1493108 <gbrowseImage> name=NC_012759:1491573..1493108 source=BW2952 preset=GeneLocation </gbrowseImage>	GBrowse (BW2952)	FASTA Dump
W3110		W3110: 1603204..1604739 <gbrowseImage> name=NC_007779:1603204..1604739 source=W3110 preset=GeneLocation </gbrowseImage>	GBrowse(W3110)	FASTA Dump
DH10B		DH10B: 1689139..1690674 <gbrowseImage> name=NC_010473:1689139..1690674 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: Type	Phenotype: Description	Reference	Availability	Comments
ΔlsrA734::kan					PMID:16738554	CGSC:106228
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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
	Plasmid clone	Shigen	PMID:16769691 Status: Primer 1: Primer 2:
2A9	Kohara Phage	Genobase	PMID:3038334
5F9	Kohara Phage	Genobase	PMID:3038334
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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:G6800	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG13806	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120003389	Escherichia coli str. K-12 substr. MG1655
NCBI (EcoliWiki Page)	GeneID:945680	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB3567	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0005056	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	Ego
Synonyms	fused AI2 transporter subunits of ABC superfamily: ATP-binding components^[1], B1513^[2]^[1], YdeX^[2]^[1], Ego^[2]^[1] , ECK1506, ego, JW1506, lsrA, ydeX, b1513
Product description	LsrA^[2]^[3]; Component of LsrA/LsrC/LsrD/LsrB ABC transporter^[2]^[3] Autoinducer-2 (AI-2) uptake; essential for aerobic growth; upregulated in biofilms^[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:0000166	nucleotide binding	GOA:interpro GO_REF:0000002	IEA: Inferred from Electronic Annotation	InterPro:IPR003593	F	Seeded from EcoCyc (v14.0)	complete
	GO:0000166	nucleotide binding	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0547	F	Seeded from EcoCyc (v14.0)	complete
	GO:0005524	ATP binding	GOA:interpro GO_REF:0000002	IEA: Inferred from Electronic Annotation	InterPro:IPR003439	F	Seeded from EcoCyc (v14.0)	complete
	GO:0005524	ATP binding	GOA:interpro GO_REF:0000002	IEA: Inferred from Electronic Annotation	InterPro:IPR017871	F	Seeded from EcoCyc (v14.0)	complete
	GO:0005524	ATP binding	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0067	F	Seeded from EcoCyc (v14.0)	complete
	GO:0005886	plasma membrane	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0997	C	Seeded from EcoCyc (v14.0)	complete
	GO:0005886	plasma membrane	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-1003	C	Seeded from EcoCyc (v14.0)	complete
	GO:0006810	transport	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0813	P	Seeded from EcoCyc (v14.0)	complete
	GO:0016020	membrane	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0472	C	Seeded from EcoCyc (v14.0)	complete
	GO:0016787	hydrolase activity	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0378	F	Seeded from EcoCyc (v14.0)	complete
	GO:0016887	ATPase activity	GOA:interpro GO_REF:0000002	IEA: Inferred from Electronic Annotation	InterPro:IPR003439	F	Seeded from EcoCyc (v14.0)	complete
	GO:0016887	ATPase activity	GOA:interpro GO_REF:0000002	IEA: Inferred from Electronic Annotation	InterPro:IPR017871	F	Seeded from EcoCyc (v14.0)	complete
	GO:0017111	nucleoside-triphosphatase activity	GOA:interpro GO_REF:0000002	IEA: Inferred from Electronic Annotation	InterPro:IPR003593	F	Seeded from EcoCyc (v14.0)	complete
	GO:0019898	extrinsic to membrane	GO_REF:0000023	IEA: Inferred from Electronic Annotation	SP_SL:SL-9903	C	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	Notes	References	Evidence
Protein	Subunits of LsrA/LsrC/LsrD/LsrB ABC transporter	could be indirect
Protein	groL		PMID:16606699	Experiment(s):EBI-1140026
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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
cytoplasm			From EcoCyc^[3]
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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 MQTSDTRALP LLCARSVYKQ YSGVNVLKGI DFTLHQGEVH ALLGGNGAGK STLMKIIAGI TPADSGTLEI EGNNYVRLTP VHAHQLGIYL VPQEPLLFPS LSIKENILFG LAKKQLSMQK MKNLLAALGC QFDLHSLAGS LDVADRQMVE ILRGLMRDSR ILILDEPTAS LTPAETERLF SRLQELLATG VGIVFISHKL PEIRQIADRI SVMRDGTIAL SGKTSELSTD DIIQAITPAV REKSLSASQK LWLELPGNRP QHAAGTPVLT LENLTGEGFR NVSLTLNAGE ILGLAGLVGA GRTELAETLY GLRTLRGGRI MLNGKEINKL STGERLLRGL VYLPEDRQSS GLNLDASLAW NVCALTHNLR GFWAKTAKDN ATLERYRRAL NIKFNQPEQA ARTLSGGNQQ KILIAKCLEA SPQVLIVDEP TRGVDVSARN DIYQLLRSIA AQNVAVLLIS SDLEEIELMA DRVYVMHQGE ITHSALTERD INVETIMRVA FGDSQRQEAS C
Length	511
Mol. Wt	55.823 kDa
pI	7.3 (calculated)
Extinction coefficient	29,910 - 30,535 (calc based on 9 Y, 3 W, and 5 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	51..169	PF00005 ABC transporter	PMID:19920124
Domain	303..432	PF00005 ABC transporter	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=lsrA 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:16129472	Escherichia coli str. K-12 substr. MG1655
NCBI (Protein) (EcoliWiki Page)	GeneID:945680	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0005056	Escherichia coli str. K-12 substr. MG1655
UniProt (EcoliWiki Page)	UniProtKB/Swiss-Prot:P77257	Escherichia coli str. K-12 substr. MG1655
EcoCyc	EcoCyc:G6800	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG13806	Escherichia coli str. K-12 substr. MG1655
NCBI (Gene) (EcoliWiki Page)	GeneID:945680	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120003389	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB3567	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	Notes	Reference(s)
Protein	E. coli K-12 MG1655	0^a	molecules/cell/generation	Medium: MOPS Complete Temperature (°C): 37 Doubling time (min): *Growth phase: OD: other:	Ribosome Profiling	Low confidence in the sequencing data set.	PMID: 24766808
Protein	E. coli K-12 MG1655	2^a	molecules/cell/generation	Medium: MOPS Minimal Temperature (°C): 37 Doubling time (min): *Growth phase: OD: other:	Ribosome Profiling	Low confidence in the sequencing data set.	PMID: 24766808
Protein	E. coli K-12 MG1655	0^a	molecules/cell/generation	Medium: MOPS Complete without Methionine Temperature (°C): 37 Doubling time (min): *Growth phase: OD: other:	Ribosome Profiling	Low confidence in the sequencing data set.	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)
lsrACDBFG
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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_000913:1599494..1599534 source=MG1655 type=Gene+DNA_+Protein preset=Nterminus </gbrowseImage> This picture shows the sequence around the N-terminus.

</protect>

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:b1513 (EcoliWiki Page)	NCBI GEO profiles for lsrA
microarray	GenExpDB:b1513 (EcoliWiki Page)	Summary of data for lsrA 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 (1599170..1599538) fused to gfpmut2.	OpenBioSystems	GFP fusion described in Zaslaver, et al. Plate:109-AZ17; Well:C11^[5]
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Notes

Accessions Related to lsrA Expression

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

Database	Accession	Notes
EcoCyc	EcoCyc:G6800	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB3567	Escherichia coli str. K-12 substr. MG1655
EcoliGenExpDB (EcoliWiki Page)	EcoliGenExpDB:b1513
EcoGene	EcoGene:EG13806	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120003389	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0005056	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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See Help:Evolution_homologs for help entering or editing information in this section of EcoliWiki.

Organism	Homologs (Statistics)	Comments
Drosophila pseudoobscura	YP_026286 (score: 0.230) GA14368-PA (score: 1.000; bootstrap: 87%) GA13367-PA (score: 0.116)	From Inparanoid:20070104
Shigella flexneri	S1709	From SHIGELLACYC
E. coli O157	Z2192	From ECOO157CYC
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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)	PF00005 ABC transporter
Pfam (EcoliWiki Page)	PF00005 ABC transporter
Superfamily (EcoliWiki Page)	SUPERFAMILY:52540
Superfamily (EcoliWiki Page)	SUPERFAMILY:52540
EcoCyc	EcoCyc:G6800	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG13806	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120003389	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB3567	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0005056	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)
↑ ^2.00 ^2.01 ^2.02 ^2.03 ^2.04 ^2.05 ^2.06 ^2.07 ^2.08 ^2.09 ^2.10 ^2.11 ^2.12 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
↑ ^3.0 ^3.1 ^3.2 ^3.3 ^3.4 EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
↑ ^4.0 ^4.1 ^4.2 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.
↑ Zaslaver, A et al. (2006) A comprehensive library of fluorescent transcriptional reporters for Escherichia coli. Nat. Methods 3 623-8 PubMed

lsrA:On One Page

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Notes

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 lsrA Expression

Notes

Links

Evolution

Homologs in Other Organisms

Do-It-Yourself Web Tools

Notes

Families

Notes

Links

References

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