The gene/protein map for NC_011745 is currently unavailable.
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 kefB [H]

Identifier: 218691631

GI number: 218691631

Start: 3916222

End: 3918027

Strand: Reverse

Name: kefB [H]

Synonym: ECED1_4012

Alternate gene names: 218691631

Gene position: 3918027-3916222 (Counterclockwise)

Preceding gene: 218691632

Following gene: 218691630

Centisome position: 75.21

GC content: 54.1

Gene sequence:

>1806_bases
ATGGAAGGTTCTGATTTTTTACTCGCAGGAGTGCTGTTTCTCTTCGCGGCGGTGGCTGCGGTGCCGCTGGCATCGCGGCT
GGGTATTGGTGCAGTGTTGGGATATTTGCTGGCGGGGATTGCGATTGGCCCGTGGGGGCTGGGGTTTATTAGCGACGTCG
ATGAGATCCTCCACTTTTCGGAACTCGGCGTGGTATTCCTGATGTTTATCATCGGCCTTGAGTTGAATCCCTCCAAGCTT
TGGCAACTGCGGCGTTCGATTTTTGGCGTAGGCGCGGCACAGGTGCTGTTAAGCTCGGCGTTGCTGGCAGGATTATTGAT
GCTGACCCATTTCTCATGGCAGGCGGCGGTGGTCGGTGGCATTGGCCTTGCGATGTCTTCAACTGCAATGGCGTTGCAAT
TGATGCGTGAGAAAGGGATGAATCGCAGCGAATCCGGCCAGTTAGGTTTCTCGGTACTGCTGTTTCAGGATCTGGCGGTG
ATCCCGGCACTGGCGTTAGTGCCGTTGTTGGCGGGTTCGGCAGACGAACATTTCGACTGGATGAAGATCGGCATGAAGGT
GCTGGCGTTTGTCGGCATGCTGATTGGCGGGCGCTATTTACTGCGTCCGGTATTCCGTTTTATTGCAGCTTCTGGTGTGC
GGGAAGTGTTCACCGCCGCGACGCTGCTGCTGGTGTTGGGTTCCGCATTGTTTATGGATGCGCTGGGGTTGTCGATGGCG
CTCGGTACGTTTATTGCGGGTGTGCTACTGGCGGAAAGTGAATATCGCCATGAACTGGAAACGGCTATCGATCCCTTCAA
AGGCTTGCTGCTTGGTTTGTTCTTTATCTCTGTCGGCATGTCGCTCAACCTCGGGGTGCTTTATACCCATCTGTTGTGGG
TAGTGATAAGTGTGGTTGTGCTGGTGGCGGTGAAAATTCTCGTGCTGTATCTGCTGGCGCGATTGTATGGCGTGCGCAGT
TCTGAGCGGATGCAGTTTGCTGGCGTGTTGAGTCAGGGCGGTGAGTTTGCCTTTGTCCTCTTTTCTACCGCTTCTTCACA
ACGCTTATTCCAGGGCGACCAGATGGCGCTGTTGCTGGTGACGGTGACGCTTTCCATGATGACCACGCCGCTGCTGATGA
AGCTGGTCGATAAATGGCTATCCCGCCAGTTTAACGGACCGGAAGAAGAAGACGAAAAACCATGGGTCAACGATGATAAA
CCGCAGGTCATTGTCGTGGGCTTTGGGCGTTTTGGTCAGGTGATTGGTCGTTTGCTGATGGCAAATAAAATGCGCATTAC
TGTACTGGAGCGGGATATCAGTGCCGTTAACCTGATGCGCAAATATGGCTACAAAGTTTATTACGGCGACGCCACGCAGG
TAGATCTTTTACGTTCTGCGGGTGCAGAGGCCGCTGAGTCTATCGTCATTACCTGTAACGAGCCGGAAGACACTATGAAG
CTGGTGGAAATATGCCAGCAGCACTTTCCGCATTTGCATATTCTTGCGCGAGCGCGCGGACGTGTGGAAGCGCATGAGTT
ATTACAGGCAGGGGTGACGCAGTTTTCCCGTGAAACATTCTCCAGTGCGTTAGAGCTGGGGCGCAAGACGCTGGTCACGC
TTGGCATGCATCCGCATCAGGCGCAGCGCGCGCAACTGCATTTTCGCCGCCTGGATATGCGAATGCTGCGGGAGTTAATC
CCGATGCATGCTGATACCGTACAAATTTCTCGCGCCAGGGAAGCCCGACGTGAACTGGAAGAGATTTTCCAGCGTGAAAT
GCAACAAGAACGACGCCAGCTGGACGGCTGGGATGAATTTGAGTAG

Upstream 100 bases:

>100_bases
TTATTTACTGGGCGAGACGGCAAAGCGCACAGGAGCTGGCGAGCCACGCCAGAGCCTACGGTGACTGGCTGGCAAATCCG
CTGTCTCCAGGAGGCTGCTG

Downstream 100 bases:

>100_bases
AGGGTAAAGATGGCAATCCGAAAACGTTTTATTGCGGGCGCAAAATGCCCGGCCTGTCAGGCACAGGATTCAATGGCGAT
GTGGCGCGAAAATAATATTG

Product: glutathione-regulated potassium-efflux system protein KefB

Products: Proton [Cytoplasm]; K (I) [Periplasm] [C]

Alternate protein names: K(+)/H(+) antiporter; NEM-activatable K(+)/H(+) antiporter [H]

Number of amino acids: Translated: 601; Mature: 601

Protein sequence:

>601_residues
MEGSDFLLAGVLFLFAAVAAVPLASRLGIGAVLGYLLAGIAIGPWGLGFISDVDEILHFSELGVVFLMFIIGLELNPSKL
WQLRRSIFGVGAAQVLLSSALLAGLLMLTHFSWQAAVVGGIGLAMSSTAMALQLMREKGMNRSESGQLGFSVLLFQDLAV
IPALALVPLLAGSADEHFDWMKIGMKVLAFVGMLIGGRYLLRPVFRFIAASGVREVFTAATLLLVLGSALFMDALGLSMA
LGTFIAGVLLAESEYRHELETAIDPFKGLLLGLFFISVGMSLNLGVLYTHLLWVVISVVVLVAVKILVLYLLARLYGVRS
SERMQFAGVLSQGGEFAFVLFSTASSQRLFQGDQMALLLVTVTLSMMTTPLLMKLVDKWLSRQFNGPEEEDEKPWVNDDK
PQVIVVGFGRFGQVIGRLLMANKMRITVLERDISAVNLMRKYGYKVYYGDATQVDLLRSAGAEAAESIVITCNEPEDTMK
LVEICQQHFPHLHILARARGRVEAHELLQAGVTQFSRETFSSALELGRKTLVTLGMHPHQAQRAQLHFRRLDMRMLRELI
PMHADTVQISRAREARRELEEIFQREMQQERRQLDGWDEFE

Sequences:

>Translated_601_residues
MEGSDFLLAGVLFLFAAVAAVPLASRLGIGAVLGYLLAGIAIGPWGLGFISDVDEILHFSELGVVFLMFIIGLELNPSKL
WQLRRSIFGVGAAQVLLSSALLAGLLMLTHFSWQAAVVGGIGLAMSSTAMALQLMREKGMNRSESGQLGFSVLLFQDLAV
IPALALVPLLAGSADEHFDWMKIGMKVLAFVGMLIGGRYLLRPVFRFIAASGVREVFTAATLLLVLGSALFMDALGLSMA
LGTFIAGVLLAESEYRHELETAIDPFKGLLLGLFFISVGMSLNLGVLYTHLLWVVISVVVLVAVKILVLYLLARLYGVRS
SERMQFAGVLSQGGEFAFVLFSTASSQRLFQGDQMALLLVTVTLSMMTTPLLMKLVDKWLSRQFNGPEEEDEKPWVNDDK
PQVIVVGFGRFGQVIGRLLMANKMRITVLERDISAVNLMRKYGYKVYYGDATQVDLLRSAGAEAAESIVITCNEPEDTMK
LVEICQQHFPHLHILARARGRVEAHELLQAGVTQFSRETFSSALELGRKTLVTLGMHPHQAQRAQLHFRRLDMRMLRELI
PMHADTVQISRAREARRELEEIFQREMQQERRQLDGWDEFE
>Mature_601_residues
MEGSDFLLAGVLFLFAAVAAVPLASRLGIGAVLGYLLAGIAIGPWGLGFISDVDEILHFSELGVVFLMFIIGLELNPSKL
WQLRRSIFGVGAAQVLLSSALLAGLLMLTHFSWQAAVVGGIGLAMSSTAMALQLMREKGMNRSESGQLGFSVLLFQDLAV
IPALALVPLLAGSADEHFDWMKIGMKVLAFVGMLIGGRYLLRPVFRFIAASGVREVFTAATLLLVLGSALFMDALGLSMA
LGTFIAGVLLAESEYRHELETAIDPFKGLLLGLFFISVGMSLNLGVLYTHLLWVVISVVVLVAVKILVLYLLARLYGVRS
SERMQFAGVLSQGGEFAFVLFSTASSQRLFQGDQMALLLVTVTLSMMTTPLLMKLVDKWLSRQFNGPEEEDEKPWVNDDK
PQVIVVGFGRFGQVIGRLLMANKMRITVLERDISAVNLMRKYGYKVYYGDATQVDLLRSAGAEAAESIVITCNEPEDTMK
LVEICQQHFPHLHILARARGRVEAHELLQAGVTQFSRETFSSALELGRKTLVTLGMHPHQAQRAQLHFRRLDMRMLRELI
PMHADTVQISRAREARRELEEIFQREMQQERRQLDGWDEFE

Specific function: Transport system that facilitates potassium-efflux, possibly by potassium-proton antiport [H]

COG id: COG0475

COG function: function code P; Kef-type K+ transport systems, membrane components

Gene ontology:

Cell location: Cell inner membrane; Multi-pass membrane protein [H]

Metaboloic importance: Non_Essential [C]

Operon status: Not Known

Operon components: None

Similarity: Contains 1 RCK N-terminal domain [H]

Homologues:

Organism=Homo sapiens, GI157388921, Length=358, Percent_Identity=26.536312849162, Blast_Score=90, Evalue=6e-18,
Organism=Escherichia coli, GI1789749, Length=601, Percent_Identity=99.3344425956739, Blast_Score=1193, Evalue=0.0,
Organism=Escherichia coli, GI1786232, Length=607, Percent_Identity=43.8220757825371, Blast_Score=489, Evalue=1e-139,
Organism=Escherichia coli, GI1786685, Length=525, Percent_Identity=30.0952380952381, Blast_Score=198, Evalue=8e-52,

Paralogues:

None

Copy number: NA

Swissprot (AC and ID): NA

Other databases:

- InterPro:   IPR006153
- InterPro:   IPR020884
- InterPro:   IPR004771
- InterPro:   IPR016040
- InterPro:   IPR003148 [H]

Pfam domain/function: PF00999 Na_H_Exchanger; PF02254 TrkA_N [H]

EC number: NA

Molecular weight: Translated: 66480; Mature: 66480

Theoretical pI: Translated: 6.71; Mature: 6.71

Prosite motif: NA

Important sites: NA

Signals:

None

Transmembrane regions:

None

Cys/Met content:

0.3 %Cys     (Translated Protein)
4.5 %Met     (Translated Protein)
4.8 %Cys+Met (Translated Protein)
0.3 %Cys     (Mature Protein)
4.5 %Met     (Mature Protein)
4.8 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MEGSDFLLAGVLFLFAAVAAVPLASRLGIGAVLGYLLAGIAIGPWGLGFISDVDEILHFS
CCCCHHHHHHHHHHHHHHHHHHHHHHCCHHHHHHHHHHHHHHCCCCCHHHHHHHHHHHHH
ELGVVFLMFIIGLELNPSKLWQLRRSIFGVGAAQVLLSSALLAGLLMLTHFSWQAAVVGG
HHHHHHHHHHHCCCCCHHHHHHHHHHHHCCCHHHHHHHHHHHHHHHHHHHCCHHHHHHHH
IGLAMSSTAMALQLMREKGMNRSESGQLGFSVLLFQDLAVIPALALVPLLAGSADEHFDW
HHHHHHHHHHHHHHHHHHCCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHHCCCCCCHHHH
MKIGMKVLAFVGMLIGGRYLLRPVFRFIAASGVREVFTAATLLLVLGSALFMDALGLSMA
HHHHHHHHHHHHHHHCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
LGTFIAGVLLAESEYRHELETAIDPFKGLLLGLFFISVGMSLNLGVLYTHLLWVVISVVV
HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCCHHHHHHHHHHHHHHHHH
LVAVKILVLYLLARLYGVRSSERMQFAGVLSQGGEFAFVLFSTASSQRLFQGDQMALLLV
HHHHHHHHHHHHHHHHCCCCCCHHHHHHHHHCCCCEEEEEEECCCCHHHHCCCHHHHHHH
TVTLSMMTTPLLMKLVDKWLSRQFNGPEEEDEKPWVNDDKPQVIVVGFGRFGQVIGRLLM
HHHHHHHHHHHHHHHHHHHHHHCCCCCCCCCCCCCCCCCCCEEEEEECCHHHHHHHHHHH
ANKMRITVLERDISAVNLMRKYGYKVYYGDATQVDLLRSAGAEAAESIVITCNEPEDTMK
HCCCEEEEEHHHHHHHHHHHHCCCEEEECCCHHHHHHHHCCCHHHCCEEEEECCCHHHHH
LVEICQQHFPHLHILARARGRVEAHELLQAGVTQFSRETFSSALELGRKTLVTLGMHPHQ
HHHHHHHHCCCHHHHHHHHCCHHHHHHHHHHHHHHHHHHHHHHHHHCHHHHHHCCCCCCH
AQRAQLHFRRLDMRMLRELIPMHADTVQISRAREARRELEEIFQREMQQERRQLDGWDEF
HHHHHHHHHHHHHHHHHHHHCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCCCC
E
C
>Mature Secondary Structure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C

PDB accession: NA

Resolution: NA

Structure class: Alpha

Cofactors: NA

Metal ions: NA

Kcat value (1/min): NA

Specific activity: NA

Km value (mM): NA

Substrates: Proton [Periplasm]; K (I) [Cytoplasm] [C]

Specific reaction: Proton [Periplasm] + K (I) [Cytoplasm] = Proton [Cytoplasm] + K (I) [Periplasm] [C]

General reaction: NA

Inhibitor: NA

Structure determination priority: 6.0

TargetDB status: NA

Availability: NA

References: NA