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Standard Name	metA
Gene Synonym(s)	ECK4005, b4013, JW3973^[1], JW3973
Product Desc.	MetA^[2]^[3]; Component of homoserine O-succinyltransferase^[2]^[3] Homoserine O-transsuccinylase; also called homoserine O-succinyltransferase^[4]
Product Synonyms(s)	homoserine transsuccinylase^[1], B4013^[2]^[1], MetA^[2]^[1] , ECK4005, JW3973, b4013
Function from GO	<GO_nr />
Knock-Out Phenotype
Regulation/Expression	transcription unit(s): metA^[2], OP00051
Regulation/Activity
Quick Links
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Notes

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MetA catalyzes the first step in methionine biosynthesis and is proteolytically unstable. Upregulated by GSNO in defined medium (aerobic).^[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	metA
Mnemonic	Methionine
Synonyms	ECK4005, b4013, JW3973^[1], JW3973
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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	90.79 minutes, 90.79 minutes	MG1655: 4212303..4213232 <gbrowseImage> name=NC_000913:4212303..4213232 source=MG1655 preset=GeneLocation </gbrowseImage>	EcoCyc GBrowse(MG1655)	FASTA Dump EcoCyc Sequence Dump
REL606		NC_012967: 4193725..4194654 <gbrowseImage> name=NC_012967:4193725..4194654 source=REL606 preset=GeneLocation </gbrowseImage>	GBrowse (REL606)	FASTA Dump
BW2952		NC_012759: 4101983..4102912 <gbrowseImage> name=NC_012759:4101983..4102912 source=BW2952 preset=GeneLocation </gbrowseImage>	GBrowse (BW2952)	FASTA Dump
W3110		W3110: 4217870..4218799 <gbrowseImage> name=NC_007779:4217870..4218799 source=W3110 preset=GeneLocation </gbrowseImage>	GBrowse(W3110)	FASTA Dump
DH10B		DH10B: 4311999..4312928 <gbrowseImage> name=NC_010473:4311999..4312928 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
ΔmetA (Keio:JW3973)	deletion	deletion	PMID:16738554	Shigen CGSC10856^[5]
metA28				CGSC:7080
metA115				CGSC:8439
metA160				CGSC:10344
ΔmetA780::kan			PMID:16738554	CGSC:101824
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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
JW3973	Plasmid clone	Shigen	PMID:16769691 Status:Clone OK Primer 1:GCCCCGATTCGTGTGCCGGACGA Primer 2:CCATCCAGCGTTGGATTCATGTG
thiC39::Tn10	Linked marker	CAG18500 = CGSC7472^[5]	est. P1 cotransduction: 52% ^[6] Synonyms:thi-39::Tn10
malF3089::Tn10	Linked marker	CAG12164 = CGSC7476^[5]	est. P1 cotransduction: 33% ^[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:EG10581	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG10581	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000574	Escherichia coli str. K-12 substr. MG1655
NCBI (EcoliWiki Page)	GeneID:948513	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0576	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0013121	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	MetA
Synonyms	homoserine transsuccinylase^[1], B4013^[2]^[1], MetA^[2]^[1] , ECK4005, JW3973, b4013
Product description	MetA^[2]^[3]; Component of homoserine O-succinyltransferase^[2]^[3] Homoserine O-transsuccinylase; also called homoserine O-succinyltransferase^[4]
EC number (for enzymes)	2.3.1.46^[1]
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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:0005737	cytoplasm	GOA:hamap GO_REF:0000020	IEA: Inferred from Electronic Annotation	HAMAP:MF_00295	C	Seeded from EcoCyc (v14.0)	complete
	GO:0005737	cytoplasm	GOA:interpro GO_REF:0000002	IEA: Inferred from Electronic Annotation	InterPro:IPR005697	C	Seeded from EcoCyc (v14.0)	complete
	GO:0005737	cytoplasm	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0963	C	Seeded from EcoCyc (v14.0)	complete
	GO:0005737	cytoplasm	GO_REF:0000023	IEA: Inferred from Electronic Annotation	SP_SL:SL-0086	C	Seeded from EcoCyc (v14.0)	complete
	GO:0008415	acyltransferase activity	GOA:interpro GO_REF:0000002	IEA: Inferred from Electronic Annotation	InterPro:IPR005697	F	Seeded from EcoCyc (v14.0)	complete
	GO:0008415	acyltransferase activity	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0012	F	Seeded from EcoCyc (v14.0)	complete
	GO:0008652	cellular amino acid biosynthetic process	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0028	P	Seeded from EcoCyc (v14.0)	complete
	GO:0008899	homoserine O-succinyltransferase activity	GOA:hamap GO_REF:0000020	IEA: Inferred from Electronic Annotation	HAMAP:MF_00295	F	Seeded from EcoCyc (v14.0)	complete
	GO:0008899	homoserine O-succinyltransferase activity	GOA:spec GO_REF:0000003	IEA: Inferred from Electronic Annotation	EC:2.3.1.46	F	Seeded from EcoCyc (v14.0)	complete
	GO:0009086	methionine biosynthetic process	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0486	P	Seeded from EcoCyc (v14.0)	complete
	GO:0016740	transferase activity	GOA:spkw SP_KW:GO_REF:0000004	IEA: Inferred from Electronic Annotation	SP_KW:KW-0808	F	Seeded from EcoCyc (v14.0)	complete
	GO:0019281	L-methionine biosynthetic process from homoserine via O-succinyl-L-homoserine and cystathionine	GOA:hamap GO_REF:0000020	IEA: Inferred from Electronic Annotation	HAMAP:MF_00295	P	Seeded from EcoCyc (v14.0)	complete
	GO:0019281	L-methionine biosynthetic process from homoserine via O-succinyl-L-homoserine and cystathionine	GOA:interpro GO_REF:0000002	IEA: Inferred from Electronic Annotation	InterPro:IPR005697	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
Protein	Subunits of homoserine O-succinyltransferase	could be indirect
Protein	groL		PMID:16606699	Experiment(s):EBI-1147283
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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 MPIRVPDELP AVNFLREENV FVMTTSRASG QEIRPLKVLI LNLMPKKIET ENQFLRLLSN SPLQVDIQLL RIDSRESRNT PAEHLNNFYC NFEDIQDQNF DGLIVTGAPL GLVEFNDVAY WPQIKQVLEW SKDHVTSTLF VCWAVQAALN ILYGIPKQTR TEKLSGVYEH HILHPHALLT RGFDDSFLAP HSRYADFPAA LIRDYTDLEI LAETEEGDAY LFASKDKRIA FVTGHPEYDA QTLAQEFFRD VEAGLDPDVP YNYFPHNDPQ NTPRASWRSH GNLLFTNWLN YYVYQITPYD LRHMNPTLD
Length	309
Mol. Wt	35.727 kDa
pI	5.0 (calculated)
Extinction coefficient	48,360 - 48,610 (calc based on 14 Y, 5 W, and 2 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
Initiator Methionine	1	Removed	UniProt:P07623
Domain	2..299	PF04204 Homoserine O-succinyltransferase		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=metA 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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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:16131839	Escherichia coli str. K-12 substr. MG1655
NCBI (Protein) (EcoliWiki Page)	GeneID:948513	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0013121	Escherichia coli str. K-12 substr. MG1655
UniProt (EcoliWiki Page)	UniProtKB/Swiss-Prot:P07623	Escherichia coli str. K-12 substr. MG1655
EcoCyc	EcoCyc:EG10581	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG10581	Escherichia coli str. K-12 substr. MG1655
NCBI (Gene) (EcoliWiki Page)	GeneID:948513	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000574	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0576	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	Reference(s)
Protein	E. coli K-12 MG1655	318	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	1711	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	10586	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)
metA
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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_000913:4212283..4212323 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:b4013 (EcoliWiki Page)	NCBI GEO profiles for metA
microarray	GenExpDB:b4013 (EcoliWiki Page)	Summary of data for metA 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 (4211618..4211933) fused to gfpmut2.	OpenBioSystems	GFP fusion described in Zaslaver, et al. Plate:109-AZ01; Well:C7^[7]
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Notes

Accessions Related to metA Expression

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

Database	Accession	Notes
EcoCyc	EcoCyc:EG10581	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0576	Escherichia coli str. K-12 substr. MG1655
EcoliGenExpDB (EcoliWiki Page)	EcoliGenExpDB:b4013
EcoGene	EcoGene:EG10581	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000574	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0013121	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
Apis mellifera	ENSAPMP00000026116 (score: 1.000; bootstrap: 100%)	From Inparanoid:20070104
Shigella flexneri	G7V-671	From SHIGELLACYC
E. coli O157	G7E-0	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)	PF04204 Homoserine O-succinyltransferase
Superfamily (EcoliWiki Page)	SUPERFAMILY:52317
Panther (EcoliWiki Page)	PTHR20919:SF0
EcoCyc	EcoCyc:EG10581	Escherichia coli str. K-12 substr. MG1655
EcoGene	EcoGene:EG10581	Escherichia coli str. K-12 substr. MG1655
RegulonDB	RegulonDB:ECK120000574	Escherichia coli str. K-12 substr. MG1655
EchoBASE	EchoBASE:EB0576	Escherichia coli str. K-12 substr. MG1655
ASAP	ASAP:ABE-0013121	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 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 ^3.2 ^3.3 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

metA: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 metA Expression

Notes

Links

Evolution

Homologs in Other Organisms

Do-It-Yourself Web Tools

Notes

Families

Notes

Links

References

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