Definition Escherichia coli ED1a chromosome, complete genome.
Accession NC_011745
Length 5,209,548

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The map label for this gene is tonB [H]

Identifier: 218689224

GI number: 218689224

Start: 1411995

End: 1412336

Strand: Direct

Name: tonB [H]

Synonym: ECED1_1438

Alternate gene names: 218689224

Gene position: 1411995-1412336 (Clockwise)

Preceding gene: 218689223

Following gene: 218689226

Centisome position: 27.1

GC content: 43.86

Gene sequence:

>342_bases
GTGCCGGGAATGAAAATGAAAAGAAATCTTCCGTTAATTATTTTGTTGTCTTCTCTGGTTATGGGCTGTACGCAACATAA
AACAGATATGCCCCGACAGTTGGTTAAGGCATTACCACAATATCCGGCCTATGCAGCGGCAAATTATATAAAGGGACGGG
TTGATGTGAAGTTTGATATTGGTGCTGATGGTACTGTCACCCGAATTGAGTTTATCCGTTCAGAGCCGCACCATTTGTTT
GATGAGCAGGTTGTAAAGGCGATGGCAAAATGGCGATTTGAGAAGGACAGGCCGTGTAAAGGCGTGAAGAAAACGTTTAT
CTTTAGTCCTTCTGCACCCTGA

Upstream 100 bases:

>100_bases
TGTCTGATTTGTGATTTAAGTCGGATAATTGTCGTTGCCATTAAACAGAGGATTGATGACCGACAGGGTGGCATTGTTAG
AATAAGACTTATTCTTATCT

Downstream 100 bases:

>100_bases
TTATTTCATCAGAAATTAATTATCACTCTGTTGTTATTCTGTACATCCCGGCAGGGTAAGTCTTGTTCCGTCGGATATGA
AGATGAAATATTGTTGGAGG

Product: putative tonB-like membrane protein from phage origin

Products: NA

Alternate protein names: NA

Number of amino acids: Translated: 113; Mature: 112

Protein sequence:

>113_residues
MPGMKMKRNLPLIILLSSLVMGCTQHKTDMPRQLVKALPQYPAYAAANYIKGRVDVKFDIGADGTVTRIEFIRSEPHHLF
DEQVVKAMAKWRFEKDRPCKGVKKTFIFSPSAP

Sequences:

>Translated_113_residues
MPGMKMKRNLPLIILLSSLVMGCTQHKTDMPRQLVKALPQYPAYAAANYIKGRVDVKFDIGADGTVTRIEFIRSEPHHLF
DEQVVKAMAKWRFEKDRPCKGVKKTFIFSPSAP
>Mature_112_residues
PGMKMKRNLPLIILLSSLVMGCTQHKTDMPRQLVKALPQYPAYAAANYIKGRVDVKFDIGADGTVTRIEFIRSEPHHLFD
EQVVKAMAKWRFEKDRPCKGVKKTFIFSPSAP

Specific function: Interacts with outer membrane receptor proteins that carry out high-affinity binding and energy dependent uptake into the periplasmic space of specific substrates such as cobalamin, and various iron compounds (such as iron dicitrate, enterochelin, aerobac

COG id: COG0810

COG function: function code M; Periplasmic protein TonB, links inner and outer membranes

Gene ontology:

Cell location: Cell inner membrane; Single-pass membrane protein; Periplasmic side [H]

Metaboloic importance: Non_Essential [C]

Operon status: Not Known

Operon components: None

Similarity: Belongs to the tonB family [H]

Homologues:

Organism=Escherichia coli, GI1787505, Length=78, Percent_Identity=39.7435897435897, Blast_Score=73, Evalue=6e-15,

Paralogues:

None

Copy number: NA

Swissprot (AC and ID): NA

Other databases:

- InterPro:   IPR003538
- InterPro:   IPR006260 [H]

Pfam domain/function: PF03544 TonB [H]

EC number: NA

Molecular weight: Translated: 12848; Mature: 12717

Theoretical pI: Translated: 10.48; Mature: 10.48

Prosite motif: PS00013 PROKAR_LIPOPROTEIN

Important sites: NA

Signals:

None

Transmembrane regions:

None

Cys/Met content:

1.8 %Cys     (Translated Protein)
5.3 %Met     (Translated Protein)
7.1 %Cys+Met (Translated Protein)
1.8 %Cys     (Mature Protein)
4.5 %Met     (Mature Protein)
6.2 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MPGMKMKRNLPLIILLSSLVMGCTQHKTDMPRQLVKALPQYPAYAAANYIKGRVDVKFDI
CCCCCCCCCCCHHHHHHHHHHHHHCCCCCCHHHHHHHCCCCCCHHHHHHHCCCEEEEEEC
GADGTVTRIEFIRSEPHHLFDEQVVKAMAKWRFEKDRPCKGVKKTFIFSPSAP
CCCCCHHHHHHHHCCCHHHHHHHHHHHHHHHCCCCCCCCCCCCEEEEECCCCC
>Mature Secondary Structure 
PGMKMKRNLPLIILLSSLVMGCTQHKTDMPRQLVKALPQYPAYAAANYIKGRVDVKFDI
CCCCCCCCCCHHHHHHHHHHHHHCCCCCCHHHHHHHCCCCCCHHHHHHHCCCEEEEEEC
GADGTVTRIEFIRSEPHHLFDEQVVKAMAKWRFEKDRPCKGVKKTFIFSPSAP
CCCCCHHHHHHHHCCCHHHHHHHHHHHHHHHCCCCCCCCCCCCEEEEECCCCC

PDB accession: NA

Resolution: NA

Structure class: Unstructured

Cofactors: NA

Metal ions: NA

Kcat value (1/min): NA

Specific activity: NA

Km value (mM): NA

Substrates: NA

Specific reaction: NA

General reaction: NA

Inhibitor: NA

Structure determination priority: 7.0

TargetDB status: NA

Availability: NA

References: 2266561; 8316087; 11677609 [H]