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Gene |

Product(s) |

Expression|

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Standard Name	malM
Gene Synonym(s)	ECK4029, b4037, JW3997, molA^[1], molA
Product Desc.	maltose regulon periplasmic protein^[2]^[3] Periplasmic protein in malK operon, function unknown^[4]
Product Synonyms(s)	maltose regulon periplasmic protein^[1], B4037^[2]^[1], MolA^[2]^[1], MalM^[2]^[1] , ECK4029, JW3997, molA, b4037
Function from GO	<GO_nr />
Knock-Out Phenotype
Regulation/Expression	transcription unit(s): malK-lamB-malM^[2], OP00165
Regulation/Activity
Quick Links
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Notes

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Both precursor and processed forms are seen, but no protein sequencing was done. Periplasmic location was confirmed. MalT regulon. First 26 aa are strongly predicted to be a signal peptide.^[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	malM
Mnemonic	Maltose
Synonyms	ECK4029, b4037, JW3997, molA^[1], molA
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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	91.55 minutes	MG1655: 4247577..4248497 <gbrowseImage> name=NC_000913:4247577..4248497 source=MG1655 preset=GeneLocation </gbrowseImage>	EcoCyc GBrowse(MG1655)	FASTA Dump EcoCyc Sequence Dump
REL606		NC_012967: 4228486..4229406 <gbrowseImage> name=NC_012967:4228486..4229406 source=REL606 preset=GeneLocation </gbrowseImage>	GBrowse (REL606)	FASTA Dump
BW2952		NC_012759: 4186422..4187342 <gbrowseImage> name=NC_012759:4186422..4187342 source=BW2952 preset=GeneLocation </gbrowseImage>	GBrowse (BW2952)	FASTA Dump
W3110		W3110: 4253144..4254064 <gbrowseImage> name=NC_007779:4253144..4254064 source=W3110 preset=GeneLocation </gbrowseImage>	GBrowse(W3110)	FASTA Dump
DH10B		DH10B: 4347273..4348193 <gbrowseImage> name=NC_010473:4347273..4348193 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
ΔmalM (Keio:JW3997)	deletion	deletion	PMID:16738554	Shigen CGSC10878^[5]
ΔmalM733::kan			PMID:16738554	CGSC:101740
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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
JW3997	Plasmid clone	Shigen	PMID:16769691 Status:Clone OK Primer 1:GCCAAAATGAATAAAAGTCTCAT Primer 2:CCgCCCTTGCCTTTTACACTGCT
1F8	Kohara Phage	Genobase	PMID:3038334
12B4	Kohara Phage	Genobase	PMID:3038334
malF3089::Tn10	Linked marker	CAG12164 = CGSC7476^[5]	est. P1 cotransduction: 79% ^[6]
zje-2241::Tn10	Linked marker	CAG18427 = CGSC7481^[5]	est. P1 cotransduction: 5% ^[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:EG10559	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG10559	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000552	Escherichia coli str. K-12 substr. MG1655
NCBI (EcoliWiki Page)	GeneID:948547	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0554	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0013221	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	MalM
Synonyms	maltose regulon periplasmic protein^[1], B4037^[2]^[1], MolA^[2]^[1], MalM^[2]^[1] , ECK4029, JW3997, molA, b4037
Product description	maltose regulon periplasmic protein^[2]^[3] Periplasmic protein in malK operon, function unknown^[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: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:0008643	carbohydrate transport	GOA:interpro GO_REF:0000002	IEA: Inferred from Electronic Annotation	InterPro:IPR010794	P	Seeded from EcoCyc (v14.0)	complete
	GO:0008643	carbohydrate transport	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0762	P	Seeded from EcoCyc (v14.0)	complete
	GO:0042597	periplasmic space	GOA:interpro GO_REF:0000002	IEA: Inferred from Electronic Annotation	InterPro:IPR010794	C	Seeded from EcoCyc (v14.0)	complete
	GO:0042597	periplasmic space	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0574	C	Seeded from EcoCyc (v14.0)	complete
	GO:0042597	periplasmic space	GO_REF:0000023	IEA: Inferred from Electronic Annotation	SP_SL:SL-0200	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
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Notes

Localization

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

Compartment	Evidence	Reference/Source
Periplasm	PMID:2434655	EchoLocation:malM
periplasm
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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 MKMNKSLIVL CLSAGLLASA PGISLADVNY VPQNTSDAPA IPSAALQQLT WTPVDQSKTQ TTQLATGGQQ LNVPGISGPV AAYSVPANIG ELTLTLTSEV NKQTSVFAPN VLILDQNMTP SAFFPSSYFT YQEPGVMSAD RLEGVMRLTP ALGQQKLYVL VFTTEKDLQQ TTQLLDPAKA YAKGVGNSIP DIPDPVARHT TDGLLKLKVK TNSSSSVLVG PLFGSSAPAP VTVGNTAAPA VAAPAPAPVK KSEPMLNDTE SYFNTAIKNA VAKGDVDKAL KLLDEAERLG STSARSTFIS SVKGKG
Length	306
Mol. Wt	31.943 kDa
pI	8.1 (calculated)
Extinction coefficient	15,930 - 16,055 (calc based on 7 Y, 1 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
motif	1-22	UniProt Manual:Signal Peptides	UniProt:P03841
Domain	11..306	PF07148 Maltose operon periplasmic protein precursor (MalM)		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=malM 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:16131863	Escherichia coli str. K-12 substr. MG1655
NCBI (Protein) (EcoliWiki Page)	GeneID:948547	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0013221	Escherichia coli str. K-12 substr. MG1655
UniProt (EcoliWiki Page)	UniProtKB/Swiss-Prot:P03841	Escherichia coli str. K-12 substr. MG1655
EcoCyc	EcoCyc:EG10559	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG10559	Escherichia coli str. K-12 substr. MG1655
NCBI (Gene) (EcoliWiki Page)	GeneID:948547	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000552	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0554	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 MC4100	4.53E+02	molecules/cell	Medium: median data from rich and minimal media Temperature (°C): 37 Doubling time (min): Growth Rate(min): Growth phase: other:	emPAI		PMID:18304323
Protein	E. coli K-12 MG1655	131	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	282	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	15^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)
malK-lamB-malM
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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_000913:4247557..4247597 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:b4037 (EcoliWiki Page)	NCBI GEO profiles for malM
microarray	GenExpDB:b4037 (EcoliWiki Page)	Summary of data for malM 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 malM Expression

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

Database	Accession	Notes
EcoCyc	EcoCyc:EG10559	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0554	Escherichia coli str. K-12 substr. MG1655
EcoliGenExpDB (EcoliWiki Page)	EcoliGenExpDB:b4037
EcoGene	EcoGene:EG10559	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000552	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0013221	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	MALM	From SHIGELLACYC
E. coli O157	MALM	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)	PF07148 Maltose operon periplasmic protein precursor (MalM)
EcoCyc	EcoCyc:EG10559	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG10559	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000552	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0554	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0013221	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 ^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).

malM: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 malM Expression

Notes

Links

Evolution

Homologs in Other Organisms

Do-It-Yourself Web Tools

Notes

Families

Notes

Links

References

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