Definition Prochlorococcus marinus str. MIT 9313 chromosome, complete genome.
Accession NC_005071
Length 2,410,873

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The map label for this gene is ktrB [H]

Identifier: 33863895

GI number: 33863895

Start: 1730774

End: 1732177

Strand: Direct

Name: ktrB [H]

Synonym: PMT1628

Alternate gene names: 33863895

Gene position: 1730774-1732177 (Clockwise)

Preceding gene: 33863894

Following gene: 33863896

Centisome position: 71.79

GC content: 53.56

Gene sequence:

>1404_bases
GTGCCATTTCCTAAAGCCGTCCATCGCACTCAGGATTTGTACCGTCGCCTAACGGTTCCTCAATTCACTGTGGTCACAGG
TTTGCTGGTGATCATCGCTGGGACTCTGATTCTCGCCACTCCGGTCTGCTCTAACGCCAAGGTGGGATTGTGGGAAGCAT
TGTTCACGGCGACCTCAGCAGTGACCGTGACTGGACTTTGCATTATTGATATCGGCCAAGATCTAACCAACGTCGGCCAG
GGGGTTCTTGCAGCGATGATCCTTGCAGGTGGCCTTGGGCTGATGGCTATCACCACCTTCTTACAAGGTTTTGTGGTTCG
CGGAACTGAACTGAGATGCAGGCTTGATCGAGGCAAAACCCTCGATGAATTCGGGGTTGGCGGCGTAGGCACGACTTTTC
GAGGCATTGCCCTCACCGCAACAGTGCTGATCCTGATTGGCGCGATCGTGCTCTACATCTTTGGCTTCAATGACATCACC
AACCATGGAGAACGACTGTGGGCTGCACTTTTTCACAGCATCTCTGCATACAACAACGCCGGCTTCGGCCTCTGGTCTGA
CAGCCTGGAGCACTACCGCAGCAATGCGGTAGTCAATATCGTGATCATCGTCCTGATCGTTCTCGGTGGACTGGGATGGA
GAGTTACCAGCGATCTCTGGAGCAATCGCAAACAGCTACAACGCCGCAACCTCAGTCTGCATACCCGTCTGGTCATTCGC
ACATCCCTGATCCTGATCCTGATCGGAACCGTGGGGCTAGTGATCACTGAATCACTAAGCCAAGACCACTTCCTCTCAAG
CATCGGTTGGTCTGAGCGACTGATGAGCTCGCTATTCGGCTCTATCAGTGCCAGAACCGCTGGCTTTACCACCGTGAACC
TCTCTCTCGAGAGCATTTCCGATTCAGGGCTACTTCTGCTAATGGCACTGATGTTCATTGGAGCTAGTCCCGGAGGTACT
GGCGGTGGCATCAAAACAACCACCCTGGCCGCCTTAATGGCCGCCACCCGTTCAACCCTGCGTGGCCAGGACGATGTCGT
CATCCGTAATCGTCAGATTTCCGACAAGGTGGTCTTGAAAGCCGTCGGCATCACAGTGGCATCCCTGCTTTTCGTGCTTG
TGATGGCCTTATTGCTGGGTATGTCCAGCAGCCTGAATGGAGAGCAAGCCTTCACCTTTCTAGAGATGTTATTCACATGC
ATTTCAGCCTTTGCCACTGTGGGGTTCGATGTTGGCGTCACCCAGAACTTGAGTCATTTCGGACAACTCGTGCTGATCGT
CGGCATGTTTGTCGGACGACTCGGCATCCTTCTTCTACTCAGCGCAATCTGGGAAGCCGTCAACAAAGATCGGCTCCACC
GTCAAAATCGCATCGGCTATCCGCGAGAAGATCTTTATGTCTGA

Upstream 100 bases:

>100_bases
GCAGAACTGTGCCAGCATTTGCAGAATCTGGTTCTATCCATCTGGGGAGAATCCTCAGGACAACCTTTGACTCTCGTCGC
GATAAAGCGGAAACCCATCG

Downstream 100 bases:

>100_bases
ACTTTGGTTTGCTGAGAAAACACAATGAAAGAGTGGTGGAACTGGTCACCCCAACAAGACACCCCTCAGCTTGGCTTTGC
GGTAGTGGGAGTAGGGCGCT

Product: Trk family sodium transporter

Products: NA

Alternate protein names: K(+)-uptake protein ktrB [H]

Number of amino acids: Translated: 467; Mature: 466

Protein sequence:

>467_residues
MPFPKAVHRTQDLYRRLTVPQFTVVTGLLVIIAGTLILATPVCSNAKVGLWEALFTATSAVTVTGLCIIDIGQDLTNVGQ
GVLAAMILAGGLGLMAITTFLQGFVVRGTELRCRLDRGKTLDEFGVGGVGTTFRGIALTATVLILIGAIVLYIFGFNDIT
NHGERLWAALFHSISAYNNAGFGLWSDSLEHYRSNAVVNIVIIVLIVLGGLGWRVTSDLWSNRKQLQRRNLSLHTRLVIR
TSLILILIGTVGLVITESLSQDHFLSSIGWSERLMSSLFGSISARTAGFTTVNLSLESISDSGLLLLMALMFIGASPGGT
GGGIKTTTLAALMAATRSTLRGQDDVVIRNRQISDKVVLKAVGITVASLLFVLVMALLLGMSSSLNGEQAFTFLEMLFTC
ISAFATVGFDVGVTQNLSHFGQLVLIVGMFVGRLGILLLLSAIWEAVNKDRLHRQNRIGYPREDLYV

Sequences:

>Translated_467_residues
MPFPKAVHRTQDLYRRLTVPQFTVVTGLLVIIAGTLILATPVCSNAKVGLWEALFTATSAVTVTGLCIIDIGQDLTNVGQ
GVLAAMILAGGLGLMAITTFLQGFVVRGTELRCRLDRGKTLDEFGVGGVGTTFRGIALTATVLILIGAIVLYIFGFNDIT
NHGERLWAALFHSISAYNNAGFGLWSDSLEHYRSNAVVNIVIIVLIVLGGLGWRVTSDLWSNRKQLQRRNLSLHTRLVIR
TSLILILIGTVGLVITESLSQDHFLSSIGWSERLMSSLFGSISARTAGFTTVNLSLESISDSGLLLLMALMFIGASPGGT
GGGIKTTTLAALMAATRSTLRGQDDVVIRNRQISDKVVLKAVGITVASLLFVLVMALLLGMSSSLNGEQAFTFLEMLFTC
ISAFATVGFDVGVTQNLSHFGQLVLIVGMFVGRLGILLLLSAIWEAVNKDRLHRQNRIGYPREDLYV
>Mature_466_residues
PFPKAVHRTQDLYRRLTVPQFTVVTGLLVIIAGTLILATPVCSNAKVGLWEALFTATSAVTVTGLCIIDIGQDLTNVGQG
VLAAMILAGGLGLMAITTFLQGFVVRGTELRCRLDRGKTLDEFGVGGVGTTFRGIALTATVLILIGAIVLYIFGFNDITN
HGERLWAALFHSISAYNNAGFGLWSDSLEHYRSNAVVNIVIIVLIVLGGLGWRVTSDLWSNRKQLQRRNLSLHTRLVIRT
SLILILIGTVGLVITESLSQDHFLSSIGWSERLMSSLFGSISARTAGFTTVNLSLESISDSGLLLLMALMFIGASPGGTG
GGIKTTTLAALMAATRSTLRGQDDVVIRNRQISDKVVLKAVGITVASLLFVLVMALLLGMSSSLNGEQAFTFLEMLFTCI
SAFATVGFDVGVTQNLSHFGQLVLIVGMFVGRLGILLLLSAIWEAVNKDRLHRQNRIGYPREDLYV

Specific function: Integral membrane subunit of the KtrAB potassium uptake transporter. The 2 major potassium transporter complexes KtrAB and KtrCD confer resistance to both suddenly imposed and prolonged osmotic stress [H]

COG id: COG0168

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

Gene ontology:

Cell location: Cell membrane; Multi-pass membrane protein (Potential) [H]

Metaboloic importance: NA

Operon status: Not Known

Operon components: None

Similarity: Belongs to the trkH potassium transport family. Ktr (TC 2.A.38.4) subfamily [H]

Homologues:

None

Paralogues:

None

Copy number: NA

Swissprot (AC and ID): NA

Other databases:

- InterPro:   IPR003445
- InterPro:   IPR004772 [H]

Pfam domain/function: PF02386 TrkH [H]

EC number: NA

Molecular weight: Translated: 50259; Mature: 50128

Theoretical pI: Translated: 9.70; Mature: 9.70

Prosite motif: NA

Important sites: NA

Signals:

None

Transmembrane regions:

None

Cys/Met content:

0.9 %Cys     (Translated Protein)
2.4 %Met     (Translated Protein)
3.2 %Cys+Met (Translated Protein)
0.9 %Cys     (Mature Protein)
2.1 %Met     (Mature Protein)
3.0 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MPFPKAVHRTQDLYRRLTVPQFTVVTGLLVIIAGTLILATPVCSNAKVGLWEALFTATSA
CCCCHHHHHHHHHHHHHCCCHHHHHHHHHHHHHHHHHHHCCCCCCCCCHHHHHHHHHHHH
VTVTGLCIIDIGQDLTNVGQGVLAAMILAGGLGLMAITTFLQGFVVRGTELRCRLDRGKT
HHHHHEEEEECCHHHHHHHHHHHHHHHHHCCHHHHHHHHHHHHHHHCCCCEEEEECCCCC
LDEFGVGGVGTTFRGIALTATVLILIGAIVLYIFGFNDITNHGERLWAALFHSISAYNNA
HHHHCCCCCCHHHHHHHHHHHHHHHHHHHHHHHHCCHHHHHHHHHHHHHHHHHHHHCCCC
GFGLWSDSLEHYRSNAVVNIVIIVLIVLGGLGWRVTSDLWSNRKQLQRRNLSLHTRLVIR
CCCCHHHHHHHHHCCHHHHHHHHHHHHHCCCCHHHHHHHHHHHHHHHHCCCHHHHHHHHH
TSLILILIGTVGLVITESLSQDHFLSSIGWSERLMSSLFGSISARTAGFTTVNLSLESIS
HHHHHHHHHHHHHHHHHHCCHHHHHHHCCHHHHHHHHHHHHHHCCCCCEEEEEEEHHCCC
DSGLLLLMALMFIGASPGGTGGGIKTTTLAALMAATRSTLRGQDDVVIRNRQISDKVVLK
CCHHHHHHHHHHHCCCCCCCCCCHHHHHHHHHHHHHHHHHCCCCCEEEECCCCHHHHHHH
AVGITVASLLFVLVMALLLGMSSSLNGEQAFTFLEMLFTCISAFATVGFDVGVTQNLSHF
HHHHHHHHHHHHHHHHHHHCCCCCCCHHHHHHHHHHHHHHHHHHHHHCCCCCCHHHHHHH
GQLVLIVGMFVGRLGILLLLSAIWEAVNKDRLHRQNRIGYPREDLYV
HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCCHHHCCC
>Mature Secondary Structure 
PFPKAVHRTQDLYRRLTVPQFTVVTGLLVIIAGTLILATPVCSNAKVGLWEALFTATSA
CCCHHHHHHHHHHHHHCCCHHHHHHHHHHHHHHHHHHHCCCCCCCCCHHHHHHHHHHHH
VTVTGLCIIDIGQDLTNVGQGVLAAMILAGGLGLMAITTFLQGFVVRGTELRCRLDRGKT
HHHHHEEEEECCHHHHHHHHHHHHHHHHHCCHHHHHHHHHHHHHHHCCCCEEEEECCCCC
LDEFGVGGVGTTFRGIALTATVLILIGAIVLYIFGFNDITNHGERLWAALFHSISAYNNA
HHHHCCCCCCHHHHHHHHHHHHHHHHHHHHHHHHCCHHHHHHHHHHHHHHHHHHHHCCCC
GFGLWSDSLEHYRSNAVVNIVIIVLIVLGGLGWRVTSDLWSNRKQLQRRNLSLHTRLVIR
CCCCHHHHHHHHHCCHHHHHHHHHHHHHCCCCHHHHHHHHHHHHHHHHCCCHHHHHHHHH
TSLILILIGTVGLVITESLSQDHFLSSIGWSERLMSSLFGSISARTAGFTTVNLSLESIS
HHHHHHHHHHHHHHHHHHCCHHHHHHHCCHHHHHHHHHHHHHHCCCCCEEEEEEEHHCCC
DSGLLLLMALMFIGASPGGTGGGIKTTTLAALMAATRSTLRGQDDVVIRNRQISDKVVLK
CCHHHHHHHHHHHCCCCCCCCCCHHHHHHHHHHHHHHHHHCCCCCEEEECCCCHHHHHHH
AVGITVASLLFVLVMALLLGMSSSLNGEQAFTFLEMLFTCISAFATVGFDVGVTQNLSHF
HHHHHHHHHHHHHHHHHHHCCCCCCCHHHHHHHHHHHHHHHHHHHHHCCCCCCHHHHHHH
GQLVLIVGMFVGRLGILLLLSAIWEAVNKDRLHRQNRIGYPREDLYV
HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCCHHHCCC

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: NA

Specific reaction: NA

General reaction: NA

Inhibitor: NA

Structure determination priority: 6.0

TargetDB status: NA

Availability: NA

References: 9384377 [H]