bamE:Gene Product(s)

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Nomenclature Function Interactions Localization Sequence Domains Structure Resources Accessions Links References Suggestions

Nomenclature

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

Standard name

BamE

Synonyms

small membrane lipoprotein[1], B2617[2][1], SmqA[2][1], BamE[2][1], BamE [3] , ECK2613, JW2598, smpA, smqA, b2617

Product description

BamE small membrane protein A[2][4] Component of Outer Membrane Protein Assembly Complex[4]

Stabilizes BamABCD OM biogenesis complex; member of a BamABCDBamE multiprotein complex; probable lipoprotein, Cys conserved[3]

EC number (for enzymes)


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Notes

BamA (SmpA) is non-essential [5]

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: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:0009279

cell outer membrane

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0998

C

Seeded from EcoCyc (v14.0)

complete

GO:0005515

protein binding

PMID:17404237[6]

IPI: Inferred from Physical Interaction

EcoliWiki:yaeT


F

complete

GO:0031225

anchored to membrane

GO_REF:0000023

IEA: Inferred from Electronic Annotation

SP_SL:SL-9901

C

Seeded from EcoCyc (v14.0)

complete

GO:0045203

integral to cell outer membrane

PMID:17404237[6]

IGI: Inferred from Genetic Interaction

EcoliWiki:yaeT


C

complete

GO:0016020

membrane

PMID:17404237[6]

IDA: Inferred from Direct Assay

C

complete

GO:0043165

Gram-negative-bacterium-type cell outer membrane assembly

PMID:17404237[6]

IGI: Inferred from Genetic Interaction

EcoliWiki:yaeT


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

Protein

BamA (yaeT)

BamE (SmpA) binds BamA via the BamCDE sub-complex (NlpB-YfiO-SmpA). Interactions between BamA-BamCDE are independent of the interaction between BamA-BamB (YfgL) [6]

Protein

BamC (nlpB)

BamE (SmpA) binds BamC as part of the BamCDE sub-complex (NlpB-YfiO-SmpA). [6]

Protein

BamD (yfiO)

BamE (SmpA) binds BamD as part of the BamCDE sub-complex (NlpB-YfiO-SmpA). [6]


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Notes

SmpA is a component of the YaeT complex, which is involved in assembling outer membrane proteins [5]

Localization

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

Compartment Description Evidence Reference/Source Notes

Outer membrane


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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

MSDPFGTNTW FYVFRQQPGH EGVTQQTLTL TFNSSGVLTN IDNKPALSGN
Length

50

Mol. Wt

5.517 kDa

pI

5.6 (calculated)

Extinction coefficient

6,990 (calc based on 1 Y, 1 W, and 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

motif

1-19

UniProt Manual:Signal Peptides

UniProt:P0A937

Domain

35..105

PF04355 SmpA / OmlA family

PMID:19920124[7]

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

Structures

<beststructure> gene=smpA 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:90111468

Escherichia coli str. K-12 substr. MG1655

NCBI (Protein) (EcoliWiki Page)

GeneID:945583

Escherichia coli str. K-12 substr. MG1655

UniProt (EcoliWiki Page)

UniProtKB/Swiss-Prot:P0A937

Escherichia coli str. K-12 substr. MG1655

NCBI (Gene) (EcoliWiki Page)

GeneID:945583

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:

Escherichia coli str. K-12 substr. MG1655

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Notes

Links

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References

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

  1. 1.0 1.1 1.2 1.3 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 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. 3.0 3.1 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.
  4. 4.0 4.1 EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  5. 5.0 5.1 Sklar, JG et al. (2007) Lipoprotein SmpA is a component of the YaeT complex that assembles outer membrane proteins in Escherichia coli. Proc. Natl. Acad. Sci. U.S.A. 104 6400-5 PubMed
  6. 6.0 6.1 6.2 6.3 6.4 6.5 6.6 Sklar, JG et al. (2007) Lipoprotein SmpA is a component of the YaeT complex that assembles outer membrane proteins in Escherichia coli. Proc. Natl. Acad. Sci. U.S.A. 104 6400-5 PubMed
  7. Finn, RD et al. (2010) The Pfam protein families database. Nucleic Acids Res. 38 D211-22 PubMed

Categories

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