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Expression|

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Standard Name	motB
Gene Synonym(s)	ECK1890, b1889, JW1878, flaJ^[1], flaJ
Product Desc.	MotB protein, enables flagellar motor rotation, linking torque machinery to cell wall^[2]^[3]; Component of Flagellar Motor Complex^[2]^[3]; Flagellum^[3] H+-driven stator protein of flagellar rotation^[4]
Product Synonyms(s)	protein that enables flagellar motor rotation^[1], B1889^[2]^[1], FlaJ^[2]^[1], MotB^[2]^[1] , ECK1890, flaJ, JW1878, b1889
Function from GO	<GO_nr />
Knock-Out Phenotype
Regulation/Expression	transcription unit(s): motAB-cheAW^[2]
Regulation/Activity
Quick Links
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</protect> See Help:Quickview for help with entering information in the Quickview table. <protect></protect>

Notes

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Flagellar regulon. MotAB stators interact with the FliG rotor to generate torque.^[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	motB
Mnemonic	Motility
Synonyms	ECK1890, b1889, JW1878, flaJ^[1], flaJ
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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	42.53 minutes	MG1655: 1974279..1973353 <gbrowseImage> name=NC_000913:1973353..1974279 source=MG1655 preset=GeneLocation </gbrowseImage>	EcoCyc GBrowse(MG1655)	FASTA Dump EcoCyc Sequence Dump
REL606		NC_012967: 1955025..1954099 <gbrowseImage> name=NC_012967:1954099..1955025 source=REL606 preset=GeneLocation </gbrowseImage>	GBrowse (REL606)	FASTA Dump
BW2952		NC_012759: 1865412..1866338 <gbrowseImage> name=NC_012759:1865412..1866338 source=BW2952 preset=GeneLocation </gbrowseImage>	GBrowse (BW2952)	FASTA Dump
W3110		W3110: 1977969..1977043 <gbrowseImage> name=NC_007779:1977043..1977969 source=W3110 preset=GeneLocation </gbrowseImage>	GBrowse(W3110)	FASTA Dump
DH10B		DH10B: 2064850..2063924 <gbrowseImage> name=NC_010473:2063924..2064850 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)	Reference	Availability
ΔmotB (Keio:JW1878)	deletion	deletion	PMID:16738554	Shigen CGSC9564^[5]
ΔmotB141				CGSC:19341
ΔmotB742::kan			PMID:16738554	CGSC:101930
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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
JW1878	Plasmid clone	Shigen	PMID:16769691 Status:Clone OK Primer 1:GCCAAGAATCAAGCGCATCCGAT Primer 2:CCtCTCGGTTCGGCTGATGGCAT
7F11	Kohara Phage	Genobase	PMID:3038334
18A9	Kohara Phage	Genobase	PMID:3038334
eda-51::Tn10	Linked marker	CAG18486 = CGSC7392^[5]	est. P1 cotransduction: 15% ^[6]
uvrC279::Tn10	Linked marker	CAG12156 = CGSC7394^[5]	est. P1 cotransduction: 54% ^[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:EG10602	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG10602	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000595	Escherichia coli str. K-12 substr. MG1655
NCBI (EcoliWiki Page)	GeneID:946402	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0597	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0006297	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	MotB
Synonyms	protein that enables flagellar motor rotation^[1], B1889^[2]^[1], FlaJ^[2]^[1], MotB^[2]^[1] , ECK1890, flaJ, JW1878, b1889
Product description	MotB protein, enables flagellar motor rotation, linking torque machinery to cell wall^[2]^[3]; Component of Flagellar Motor Complex^[2]^[3]; Flagellum^[3] H+-driven stator protein of flagellar rotation^[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:0001539	ciliary or flagellar motility	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0283	P	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:0006935	chemotaxis	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0145	P	Seeded from EcoCyc (v14.0)	complete
	GO:0009279	cell outer membrane	GOA:interpro GO_REF:0000002	IEA: Inferred from Electronic Annotation	InterPro:IPR006665	C	Seeded from EcoCyc (v14.0)	complete
	GO:0016021	integral to membrane	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0812	C	Seeded from EcoCyc (v14.0)	complete
	GO:0016021	integral to membrane	GO_REF:0000023	IEA: Inferred from Electronic Annotation	SP_SL:SL-9906	C	Seeded from EcoCyc (v14.0)	complete
	GO:0005886	plasma membrane	PMID:2193926	IDA: Inferred from Direct Assay		C		complete
	GO:0016021	integral to membrane	PMID:2193926	IDA: Inferred from Direct Assay		C		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
Protein	Subunits of Flagellar Motor Complex	could be indirect
Protein	Subunits of Flagellum	could be indirect
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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
Inner Membrane		PMID:2447650, PMID:3007435, PMID:12730325	EchoLocation:motB
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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 MKNQAHPIIV VKRRKAKSHG AAHGSWKIAY ADFMTAMMAF FLVMWLISIS SPKELIQIAE YFRTPLATAV TGGDRISNSE SPIPGGGDDY TQSQGEVNKQ PNIEELKKRM EQSRLRKLRG DLDQLIESDP KLRALRPHLK IDLVQEGLRI QIIDSQNRPM FRTGSADVEP YMRDILRAIA PVLNGIPNRI SLSGHTDDFP YASGEKGYSN WELSADRANA SRRELMVGGL DSGKVLRVVG MAATMRLSDR GPDDAVNRRI SLLVLNKQAE QAILHENAES QNEPVSALEK PEVAPQVSVP TMPSAEPR
Length	308
Mol. Wt	34.186 kDa
pI	9.3 (calculated)
Extinction coefficient	25,440 (calc based on 6 Y, 3 W, and 0 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	Notes	References
Domain	160..259	PF00691 OmpA family		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=motB 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:16129841	Escherichia coli str. K-12 substr. MG1655
NCBI (Protein) (EcoliWiki Page)	GeneID:946402	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0006297	Escherichia coli str. K-12 substr. MG1655
UniProt (EcoliWiki Page)	UniProtKB/Swiss-Prot:P0AF06	Escherichia coli str. K-12 substr. MG1655
EcoCyc	EcoCyc:EG10602	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG10602	Escherichia coli str. K-12 substr. MG1655
NCBI (Gene) (EcoliWiki Page)	GeneID:946402	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000595	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0597	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 (see Table 1)	150 +/- 70	molecules/cell	Medium: Temperature (°C): Doubling time (min): Growth Rate(min): Growth phase: other:		The relative concentrations of MotA & MotB were estimated at 3:1, respectively. The concentration of MotA had been previously reported at roughly 600 +/- 250 molecules per cell, leading the authors to estimate MotB at 150 +/- 70 molecules per cell (pp. 3937).	PMID:2193926
Protein	E. coli K-12 MG1655	2^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	1^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)
motAB-cheAW
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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_000913:1974259..1974299 source=MG1655 flip=1 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:b1889 (EcoliWiki Page)	NCBI GEO profiles for motB
microarray	GenExpDB:b1889 (EcoliWiki Page)	Summary of data for motB 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
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Notes

Accessions Related to motB Expression

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

Database	Accession	Notes
EcoCyc	EcoCyc:EG10602	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0597	Escherichia coli str. K-12 substr. MG1655
EcoliGenExpDB (EcoliWiki Page)	EcoliGenExpDB:b1889
EcoGene	EcoGene:EG10602	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000595	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0006297	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
Shigella flexneri	MOTB	From SHIGELLACYC
E. coli O157	MOTB	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)	PF00691 OmpA family
Superfamily (EcoliWiki Page)	SUPERFAMILY:103088
EcoCyc	EcoCyc:EG10602	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG10602	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000595	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0597	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0006297	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 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 ^3.5 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.
↑ ^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).

motB:On One Page

Quickview

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 motB Expression

Notes

Links

Evolution

Homologs in Other Organisms

Do-It-Yourself Web Tools

Notes

Families

Notes

Links

References

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