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Standard Name	mrr
Gene Synonym(s)	ECK4341, b4351, JW4314, mcrF^[1], mcrF
Product Desc.	restriction of methylated adenine^[2]^[3] Restriction of DNA with certain methylated adenine or cytosine residues^[4]
Product Synonyms(s)	methylated adenine and cytosine restriction protein ^[1], B4351 ^[2]^[1], Mrr ^[2]^[1] , ECK4341, JW4314, mcrF, b4351
Function from GO	<GO_nr />
Knock-Out Phenotype
Regulation/Expression	transcription unit(s): mrr^[2]
Regulation/Activity
Quick Links
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Notes

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The N-terminus of overexpressed Mrr was determined, but the native RBS was not used. The initial Met was not clipped. although unVerified, this start is almost certainly correct. Mrr is normally cryptic, but is activated by high pressure stress, which leads to a recB-dependent SOS pathway activation.^[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	mrr
Mnemonic	Methylated adenine Recognition and Restriction
Synonyms	ECK4341, b4351, JW4314, mcrF^[1], mcrF
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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	98.82 minutes, 98.82 minutes	MG1655: 4584972..4585886 <gbrowseImage> name=NC_000913:4584972..4585886 source=MG1655 preset=GeneLocation </gbrowseImage>	EcoCyc GBrowse(MG1655)	FASTA Dump EcoCyc Sequence Dump
REL606		NC_012967: 4564924..4565838 <gbrowseImage> name=NC_012967:4564924..4565838 source=REL606 preset=GeneLocation </gbrowseImage>	GBrowse (REL606)	FASTA Dump
BW2952		NC_012759: 4523456..4524370 <gbrowseImage> name=NC_012759:4523456..4524370 source=BW2952 preset=GeneLocation </gbrowseImage>	GBrowse (BW2952)	FASTA Dump
W3110		W3110: 4591629..4592543 <gbrowseImage> name=NC_007779:4591629..4592543 source=W3110 preset=GeneLocation </gbrowseImage>	GBrowse(W3110)	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
Δmrr (Keio:JW4314)	deletion	deletion	PMID:16738554	Shigen CGSC11084^[5]
Δmrr-749::kan			PMID:16738554	CGSC:101952
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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
JW4314	Plasmid clone	Shigen	PMID:16769691 Status:Clone OK Primer 1:GCCACGGTTCCTACCTATGACAA Primer 2:CCtTCAAAATAGTCCATATCCAG
10H12	Kohara Phage	Genobase	PMID:3038334
7C1	Kohara Phage	Genobase	PMID:3038334
zjf-920::Tn10	Linked marker	CAG12019 = CGSC7484^[5]	est. P1 cotransduction: % ^[6] Synonyms:zjh-901::Tn10, zjg-920::Tn10
mdoB202::Tn10	Linked marker	CAG18430 = CGSC7488^[5]	est. P1 cotransduction: 75% ^[6] Synonyms:zjj-202::Tn10, zji-202::Tn10
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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:EG10612	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG10612	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000605	Escherichia coli str. K-12 substr. MG1655
NCBI (EcoliWiki Page)	GeneID:948898	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0607	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0014271	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	Mrr
Synonyms	methylated adenine and cytosine restriction protein ^[1], B4351 ^[2]^[1], Mrr ^[2]^[1] , ECK4341, JW4314, mcrF, b4351
Product description	restriction of methylated adenine^[2]^[3] Restriction of DNA with certain methylated adenine or cytosine residues^[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:interpro GO_REF:0000002	IEA: Inferred from Electronic Annotation	InterPro:IPR007560	F	Seeded from EcoCyc (v14.0)	complete
	GO:0004519	endonuclease activity	GOA:interpro GO_REF:0000002	IEA: Inferred from Electronic Annotation	InterPro:IPR007560	F	Seeded from EcoCyc (v14.0)	complete
	GO:0009307	DNA restriction-modification system	GOA:interpro GO_REF:0000002	IEA: Inferred from Electronic Annotation	InterPro:IPR007560	P	Seeded from EcoCyc (v14.0)	complete
	GO:0009307	DNA restriction-modification system	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0680	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	Notes	References	Evidence
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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 MTVPTYDKFI EPVLRYLATK PEGAAARDVH EAAADALGLD DSQRAKVITS GQLVYKNRAG WAHDRLKRAG LSQSLSRGKW CLTPAGFDWV ASHPQPMTEQ ETNHLAFAFV NVKLKSRPDA VDLDPKADSP DHEELAKSSP DDRLDQALKE LRDAVADEVL ENLLQVSPSR FEVIVLDVLH RLGYGGHRDD LQRVGGTGDG GIDGVISLDK LGLEKVYVQA KRWQNTVGRP ELQAFYGALA GQKAKRGVFI TTSGFTSQAR DFAQSVEGMV LVDGERLVHL MIENEVGVSS RLLKVPKLDM DYFE
Length	304
Mol. Wt	33.519 kDa
pI	5.9 (calculated)
Extinction coefficient	32,430 - 32,555 (calc based on 7 Y, 4 W, and 1 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	175..279	PF04471 Restriction endonuclease		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=mrr 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:16132172	Escherichia coli str. K-12 substr. MG1655
NCBI (Protein) (EcoliWiki Page)	GeneID:948898	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0014271	Escherichia coli str. K-12 substr. MG1655
UniProt (EcoliWiki Page)	UniProtKB/Swiss-Prot:P24202	Escherichia coli str. K-12 substr. MG1655
EcoCyc	EcoCyc:EG10612	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG10612	Escherichia coli str. K-12 substr. MG1655
NCBI (Gene) (EcoliWiki Page)	GeneID:948898	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000605	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0607	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	Ecoli K-12	4.264+/-0.043	Molecules/cell	Medium: Temperature (°C): Doubling time (min): Growth Rate(min): * Growth phase: other: *		Single Molecule Fluorescence	PMID:20671182
mRNA	Ecoli K-12	0.016958425	Molecules/cell	Medium: Temperature (°C): Doubling time (min): Growth Rate(min): * Growth phase: other: *		by RNA_Seq	PMID:20671182
Protein	E. coli K-12 MG1655	426	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	184	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	392	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)
mrr
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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_000913:4584952..4584992 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:b4351 (EcoliWiki Page)	NCBI GEO profiles for mrr
microarray	GenExpDB:b4351 (EcoliWiki Page)	Summary of data for mrr 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 (4584295..4584573) fused to gfpmut2.	OpenBioSystems	GFP fusion described in Zaslaver, et al. Plate:109-AZ10; Well:H3^[7]
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Notes

Accessions Related to mrr Expression

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

Database	Accession	Notes
EcoCyc	EcoCyc:EG10612	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0607	Escherichia coli str. K-12 substr. MG1655
EcoliGenExpDB (EcoliWiki Page)	EcoliGenExpDB:b4351
EcoGene	EcoGene:EG10612	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000605	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0014271	Escherichia coli str. K-12 substr. MG1655
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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)	PF04471 Restriction endonuclease
Superfamily (EcoliWiki Page)	SUPERFAMILY:52980
EcoCyc	EcoCyc:EG10612	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG10612	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000605	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0607	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0014271	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 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 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 ^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).
↑ Zaslaver, A et al. (2006) A comprehensive library of fluorescent transcriptional reporters for Escherichia coli. Nat. Methods 3 623-8 PubMed

mrr: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 mrr Expression

Notes

Links

Evolution

Homologs in Other Organisms

Do-It-Yourself Web Tools

Notes

Families

Notes

Links

References

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