melB: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

MelB

Synonyms

melibiose:sodium symporter[1], B4120[2][1], MelB[2][1] , ECK4113, JW4081, mel-4, b4120

Product description

MelB GPH transporter[2][3]

Melibiose permease; thiomethylgalactoside permease II[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:0005215

transporter activity

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR001927

F

Seeded from EcoCyc (v14.0)

complete

GO:0005215

transporter activity

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR018043

F

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:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0813

P

Seeded from EcoCyc (v14.0)

complete

GO:0006814

sodium ion transport

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR001927

P

Seeded from EcoCyc (v14.0)

complete

GO:0006814

sodium ion transport

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR018043

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:0015293

symporter activity

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0769

F

Seeded from EcoCyc (v14.0)

complete

GO:0016020

membrane

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR001927

C

Seeded from EcoCyc (v14.0)

complete

GO:0016020

membrane

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR018043

C

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: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

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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

plasma membrane

C-terminus localized in the cytoplasm with 12 predicted transmembrane domains

Daley et al. (2005) [5]

plasma membrane

From EcoCyc[3]


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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 

MTTKLSYGFG AFGKDFAIGI VYMYLMYYYT DVVGLSVGLV GTLFLVARIW DAINDPIMGW
IVNATRSRWG KFKPWILIGT LANSVILFLL FSAHLFEGTT QIVFVCVTYI LWGMTYTIMD
IPFWSLVPTI TLDKREREQL VPYPRFFASL AGFVTAGVTL PFVNYVGGGD RGFGFQMFTL
VLIAFFIVST IITLRNVHEV FSSDNQPSAE GSHLTLKAIV ALIYKNDQLS CLLGMALAYN
VASNIITGFA IYYFSYVIGD ADLFPYYLSY AGAANLVTLV FFPRLVKSLS RRILWAGASI
LPVLSCGVLL LMALMSYHNV VLIVIAGILL NVGTALFWVL QVIMVADIVD YGEYKLHVRC
ESIAYSVQTM VVKGGSAFAA FFIAVVLGMI GYVPNVEQST QALLGMQFIM IALPTLFFMV
TLILYFRFYR LNGDTLRRIQ IHLLDKYRKV PPEPVHADIP VGAVSDVKA
Length

469

Mol. Wt

52.219 kDa

pI

7.9 (calculated)

Extinction coefficient

82,740 - 83,240 (calc based on 26 Y, 8 W, and 4 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
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tmhmm.php?gene=melB&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=melB 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:16131946

Escherichia coli str. K-12 substr. MG1655

NCBI (Protein) (EcoliWiki Page)

GeneID:948635

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0013495

Escherichia coli str. K-12 substr. MG1655

UniProt (EcoliWiki Page)

UniProtKB/Swiss-Prot:P02921

Escherichia coli str. K-12 substr. MG1655

EcoCyc

EcoCyc:EG10578

Escherichia coli str. K-12 substr. MG1655

EcoGene

EcoGene:EG10578

Escherichia coli str. K-12 substr. MG1655

NCBI (Gene) (EcoliWiki Page)

GeneID:948635

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120000571

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB0573

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 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. ↑ 2.0 2.1 2.2 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. ↑ EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.
  5. ↑ Daley, DO et al. (2005) Global topology analysis of the Escherichia coli inner membrane proteome. Science 308 1321-3 PubMed

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