mscL:On One Page

From EcoliWiki
Jump to: navigation, search

{{#css:Suppresslinks.css}}<css>h1 .editsection { display:none;} h2 .editsection { display:none;}</css>

Quickview   Gene   Gene Product(s)   Expression   Evolution   On One Page    
Quickview | Gene | Product(s) | Expression| Evolution | References |

Quickview

[back to top]


{{#css:Suppresslinks.css}}<css>h1 .editsection { display:none;} h2 .editsection { display:none;}</css>

<protect>

Standard Name

mscL

Gene Synonym(s)

ECK3277, b3291, JW3252, yhdC[1], stkA, yhdC

Product Desc.

MscL (Large Mechanosensitive Channel)[2][3]

Mechanosensitive channel protein, high conductance; homopentameric[4]

Product Synonyms(s)

mechanosensitive channel[1], B3291[2][1], YhdC[2][1], MscL[2][1] , ECK3277, JW3252, stkA, yhdC, b3291

Function from GO

<GO_nr />

Knock-Out Phenotype
Regulation/Expression

transcription unit(s): mscL[2]

Regulation/Activity
Quick Links

porteco.png EcoCyc.gif regulondb.jpg

dnadisplay.png proteindisplay.png   pubmed.jpg   textpresso.jpg  

</protect> See Help:Quickview for help with entering information in the Quickview table. <protect></protect>

Notes

[back to top]


otherPDB (M. tuberculosis): 1MSL. Links are provided to Table 1 and Figure 4A from Pivetti (2003).[4]



Gene

[back to top]


{{#css:Suppresslinks.css}}<css>h1 .editsection { display:none;} h2 .editsection { display:none;}</css> <protect>

Nomenclature

[back to top]


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

Standard name

mscL

Mnemonic

Mechanosensitive channel

Synonyms

ECK3277, b3291, JW3252, yhdC[1], stkA, yhdC

</protect>

Notes

Location(s) and DNA Sequence

[back to top]


<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

74.06 minutes 

MG1655: 3436046..3436456
<gbrowseImage> name=NC_000913:3436046..3436456 source=MG1655 preset=GeneLocation </gbrowseImage>

REL606

NC_012967: 3365929..3366339
<gbrowseImage> name=NC_012967:3365929..3366339 source=REL606 preset=GeneLocation </gbrowseImage>

BW2952

NC_012759: 3323203..3323613
<gbrowseImage> name=NC_012759:3323203..3323613 source=BW2952 preset=GeneLocation </gbrowseImage>

W3110

 

W3110: 4202392..4201982
<gbrowseImage> name=NC_007779:4201982..4202392 source=W3110 preset=GeneLocation </gbrowseImage>

DH10B

DH10B: 3533791..3534201
<gbrowseImage> name=NC_010473:3533791..3534201 source=DH10B preset=GeneLocation </gbrowseImage>

</protect>

Notes

Sequence Features

[back to top]


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

Feature Type Strain Genomic Location Evidence Reference Notes

Coding Start (SO:0000323)

MG1655

3436046

Edman degradation

PMID:7511799


<protect></protect>

Notes

Alleles and Phenotypes

[back to top]


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

ΔmscL (Keio:JW3252)

deletion

deletion

PMID:16738554

Shigen
CGSC10453[5]

ΔmscL727::kan

PMID:16738554

CGSC:101954

mscL-K31C

-->TGC

K31C

No significant change in pressure sensitivity or open time.

PMID:8876191

Parental: AW405

See Table 1

mscL-K31R

-->AGG

K31R

No significant change in pressure sensitivity or open time.

PMID:8876191

Parental:AW405

See table 1

mscL-K31E

-->GAG

K31E

Sensitivity to

Activation pressure lowered by 18.3 mmHg

PMID:9635742

Parental:AW405

See table 4

mscL-Q56P

-->CCT

Q56P

Sensitivity to

Pressure

PMID:8876191

Parental:AW405

see table 1

mscL-Q56C

-->TGC

Q56C

Conductance

Increased channel open time

PMID:8876191

Parental: AW405

See table 1

mscL-Q56F

-->TTT

Q56F

Conductance

Increased open channel time

PMID:8876191

Parental: AW405

See table 1

mscL-Q56W

-->TGG

Q56W

Conductance

Increased open channel time

PMID:8876191

Parental: AW405

see table 1

mscL-Q56Y

-->TAC

Q56Y

Conductance

Increased open channel time

PMID:8876191

Parental: AW405

See table 1

mscL-Q56L

-->TTA

Q56L

No significant change in pressure sensitivity or open time.

PMID:8876191

Parental: AW405

See table 1

mscL-Q56R

-->CGT

Q56R

Sensitivity to

Activation pressure lowered by 17.9 mmHg

PMID:9635742

Parental: AW405

See table 4

mscLΔ2-4

Deletion

No significant change in pressure sensitivity or open time.

PMID:8876191

Parental: AW405

See table 1

mscL-ΔQ56

Deletion

Sensitivity to

Pressure

PMID:8876191

Parental: AW405

See table 1

mscLΔ110-136

Deletion

No significant change in pressure sensitivity or open time.

PMID:8876191

Parental: AW405

See table 1

mscL-Q56H

-->CAT

Q56H

Sensitivity to

Increased sensitivity to pressure at pH 5 (activation pressure lowered by 18.6 mmHg) and increased open channel time at pH 7.5.

PMID:8876191 PMID:9635742

Parental: AW405

See table 1 and table 4

mscL-K31D

-->GAT

K31D

Growth Phenotype

Inhibits growth

PMID:9405414

See figure 1

mscL-K31E

K31E

Growth Phenotype

Inhibits growth

PMID:9405414

See figure 1

mscLΔ104-136

Deletion

Conductance

Failed to exhibit functional channel

PMID:9141355

See table 2

mscLΔEV

Internal deletion (Δ41-61)

Conductance

Failed to show functional channels

PMID:9141355

See table 2

mscLNBE

Deletion (Δ1-8)

Conductance

Decreased conductance

PMID:9141355

See table 2

mscL-G22R

G22R

Growth Phenotype

Growth inhibited and pressure threshold lowered.

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1.

mscL-G22K

G22K

Growth Phenotype

Growth inhibited and pressure threshold lowered.

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1.

mscL-G22D

G22D

Growth Phenotype

Growth inhibited and pressure threshold lowered.

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1.

mscL-G22E

G22D

Growth Phenotype

Growth inhibited and pressure threshold lowered.

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1.

mscL-G22S

G22S

Growth Phenotype

Growth decreased and pressure threshold lowered.

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1.

mscL-G22Y

G22Y

Growth Phenotype

Growth decreased

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1

mscL-G22Q

G22Q

Growth Phenotype

Growth decreased and pressure threshold lowered.

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1.

mscL-G22T

G22T

Growth Phenotype

Growth decreased and pressure threshold lowered

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1.

mscL-G22V

G22V

Resistant to

Pressure threshold increased. No change in growth.

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1

mscL-G22L

G22L

Resistant to

Pressure threshold increased. No change in growth.

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1.

mscL-G22W

G22W

Resistant to

Pressure threshold increased. No change in growth.

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1.

mscL-G22F

G22F

Resistant to

Pressure threshold increased. No change in growth.

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1.

mscL-G11I

G22I

Resistant to

Pressure threshold increased. No change in growth.

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1.

mscL-G22M

G22M

Resistant to

Pressure threshold increased. No change in growth.

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1.

mscL-G22C

G22C

Resistant to

Pressure threshold increased. No change in growth.

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1.

mscL-G22P

G22P

Resistant to

Pressure threshold increased. No change in growth.

PMID:10512816

Parental plasmid: pb10b

See figure 1a and table 1.

<protect></protect>

Notes

Genetic Interactions

[back to top]


<protect>

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

</protect>

Notes

Genetic Resources

[back to top]


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

Resource Resource Type Source Notes/Reference

JW3252

Plasmid clone

Shigen

PMID:16769691

Status:Clone OK

Primer 1:GCCAGCATTATTAAAGAATTTCG

Primer 2:CCAGAGCGGTTATTCTGCTCTTT

smg-3082::Tn10

Linked marker

CAG12071 = CGSC7444[5]

est. P1 cotransduction: 78% [6]
Synonyms:zhb-3082::Tn10, zhd-3082::Tn10

zhf-3084::Tn10

Linked marker

CAG18456 = CGSC7576[5]

est. P1 cotransduction: 2% [6]
Synonyms:zhe-3084::Tn10nnnCAG18456 also carries cysG0 (CGSC).

<protect></protect>

Notes

Accessions in Other Databases

[back to top]


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

Database Accession Notes

EcoCyc

EcoCyc:EG11180

Escherichia coli str. K-12 substr. MG1655

EcoGene

EcoGene:EG11180

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120001162

Escherichia coli str. K-12 substr. MG1655

NCBI (EcoliWiki Page)

GeneID:947787

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB1167

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0010790

Escherichia coli str. K-12 substr. MG1655

<protect></protect>

Notes

Links

[back to top]



Product(s)

[back to top]


{{#css:Suppresslinks.css}}<css>h1 .editsection { display:none;} h2 .editsection { display:none;}</css>

Nomenclature

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

Standard name

MscL

Synonyms

mechanosensitive channel[1], B3291[2][1], YhdC[2][1], MscL[2][1] , ECK3277, JW3252, stkA, yhdC, b3291

Product description

MscL (Large Mechanosensitive Channel)[2][3]

Mechanosensitive channel protein, high conductance; homopentameric[4]

EC number (for enzymes)


<protect></protect>

Notes

Function

[back to top]


<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:0005886

plasma membrane

GOA:hamap
GO_REF:0000020

IEA: Inferred from Electronic Annotation

HAMAP:MF_00115

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-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:hamap
GO_REF:0000020

IEA: Inferred from Electronic Annotation

HAMAP:MF_00115

P

Seeded from EcoCyc (v14.0)

complete

GO:0006810

transport

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR001185

P

Seeded from EcoCyc (v14.0)

complete

GO:0006810

transport

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR019823

P

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:0006811

ion transport

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0406

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:0016020

membrane

PMID:16858726

IDA: Inferred from Direct Assay

C

Seeded from EcoCyc (v14.0)

complete

GO:0016021

integral to membrane

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR001185

C

Seeded from EcoCyc (v14.0)

complete

GO:0016021

integral to membrane

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR019823

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-9909

C

Seeded from EcoCyc (v14.0)

complete

GO:0016021

integral to membrane

PMID:8890153

IDA: Inferred from Direct Assay

C

complete

GO:0006811

ion transport

PMID:7511799

IDA: Inferred from Direct Assay

P

complete

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

</protect>

Notes

Localization

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

Compartment Description Evidence Reference/Source Notes

plasma membrane

C-terminus localized in the cytoplasm with 2 predicted transmembrane domains

Daley et al. (2005) [7]

Inner Membrane

PMID:8890153

EchoLocation:mscL


<protect></protect>

Notes

Structure and Physical Properties

[back to top]


<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

MSIIKEFREF AMRGNVVDLA VGVIIGAAFG KIVSSLVADI IMPPLGLLIG GIDFKQFAVT
LRDAQGDIPA VVMHYGVFIQ NVFDFLIVAF AIFMAIKLIN KLNRKKEEPA AAPAPTKEEV
LLTEIRDLLK EQNNRS
Length

136

Mol. Wt

14.957 kDa

pI

7.3 (calculated)

Extinction coefficient

1,490 (calc based on 1 Y, 0 W, and 0 C residues)


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

3..132

PF01741 Large-conductance mechanosensitive channel, MscL

PMID:19920124

<motif_map/>

tmhmm.php?gene=mscL&show=pic&.jpg
Click the image to view raw output from TMHMM.

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

Structures

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

Models

View models at:

</protect>

Structure figures

<protect>

</protect>

Notes

Gene Product Resources

[back to top]


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

Resource type Source Notes/Reference

<protect></protect>

Notes

Accessions in Other Databases

[back to top]


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

Database Accession Notes

NCBI (Protein) (EcoliWiki Page)

GI:16131170

Escherichia coli str. K-12 substr. MG1655

NCBI (Protein) (EcoliWiki Page)

GeneID:947787

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0010790

Escherichia coli str. K-12 substr. MG1655

UniProt (EcoliWiki Page)

UniProtKB/Swiss-Prot:P0A742

Escherichia coli str. K-12 substr. MG1655

EcoCyc

EcoCyc:EG11180

Escherichia coli str. K-12 substr. MG1655

EcoGene

EcoGene:EG11180

Escherichia coli str. K-12 substr. MG1655

NCBI (Gene) (EcoliWiki Page)

GeneID:947787

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120001162

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB1167

Escherichia coli str. K-12 substr. MG1655

<protect></protect>

Notes

Links

[back to top]




Expression

[back to top]


{{#css:Suppresslinks.css}}<css>h1 .editsection { display:none;} h2 .editsection { display:none;}</css>

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

[back to top]


See Help:Cellular levels

Molecule Organism or Strain Value Units Experimental Conditions Assay used Notes Reference(s)

Protein

E. coli K-12 MG1655

2802

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

2481

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

1804

molecules/cell/generation

  • Medium: MOPS Complete without Methionine
  • Temperature (°C): 37
  • Doubling time (min):
  • *Growth phase:
  • OD:
  • other:

Ribosome Profiling

PMID: 24766808

Notes

Transcription and Transcriptional Regulation

[back to top]


<protect>

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

Transcription unit(s)

mscL

Figure courtesy of RegulonDB

</protect>

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

[back to top]


<protect><gbrowseImage> name=NC_000913:3436026..3436066 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

</protect>

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

[back to top]


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

Allele Name Mutation Phenotype Reference


Expression Studies See Help:Expression_studies for help entering or editing information in this section of EcoliWiki.

Type Reference Notes

microarray

GEO Profiles:b3291 (EcoliWiki Page)

NCBI GEO profiles for mscL

microarray

GenExpDB:b3291 (EcoliWiki Page)

Summary of data for mscL from multiple microarray studies


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 (3435435..3435702) fused to gfpmut2.

OpenBioSystems

GFP fusion described in Zaslaver, et al.
Plate:109-AZ16; Well:H8[8]

<protect></protect>

Notes

Accessions Related to mscL Expression

[back to top]


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

Database Accession Notes

EcoCyc

EcoCyc:EG11180

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB1167

Escherichia coli str. K-12 substr. MG1655

EcoliGenExpDB (EcoliWiki Page)

EcoliGenExpDB:b3291

EcoGene

EcoGene:EG11180

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120001162

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0010790

Escherichia coli str. K-12 substr. MG1655

<protect></protect>

Notes

Links

[back to top]



Evolution

[back to top]


{{#css:Suppresslinks.css}}<css>h1 .editsection { display:none;} h2 .editsection { display:none;}</css>

Homologs in Other Organisms

[back to top]


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

Organism Homologs (Statistics) Comments

Apis mellifera

  • ENSAPMP00000029696 (score: 1.000; bootstrap: 100%)

From Inparanoid:20070104

Xenopus tropicalis

  • ENSXETP00000048195 (score: 1.000; bootstrap: 93%)

From Inparanoid:20070104

E. coli O157

MSCL

From ECOO157CYC


Do-It-Yourself Web Tools

<protect></protect>

Notes

Families

[back to top]


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

Database Accession Notes

Pfam (EcoliWiki Page)

PF01741 Large-conductance mechanosensitive channel, MscL

Superfamily (EcoliWiki Page)

SUPERFAMILY:81330

PFAM (EcoliWiki Page)

PFAM:PF01741

EcoCyc

EcoCyc:EG11180

Escherichia coli str. K-12 substr. MG1655

EcoGene

EcoGene:EG11180

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120001162

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB1167

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0010790

Escherichia coli str. K-12 substr. MG1655

<protect></protect>

Notes

Links

[back to top]



References

[back to top]


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

  1. 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. 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. 3.0 3.1 EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  4. 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. 5.0 5.1 5.2 CGSC: The Coli Genetics Stock Center
  6. 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).
  7. Daley, DO et al. (2005) Global topology analysis of the Escherichia coli inner membrane proteome. Science 308 1321-3 PubMed
  8. Zaslaver, A et al. (2006) A comprehensive library of fluorescent transcriptional reporters for Escherichia coli. Nat. Methods 3 623-8 PubMed

Categories

[back to top]