Definition Prochlorococcus marinus str. NATL1A, complete genome.
Accession NC_008819
Length 1,864,731

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The map label for this gene is smpB

Identifier: 124026773

GI number: 124026773

Start: 1713081

End: 1713578

Strand: Direct

Name: smpB

Synonym: NATL1_20681

Alternate gene names: 124026773

Gene position: 1713081-1713578 (Clockwise)

Preceding gene: 124026767

Following gene: 124026780

Centisome position: 91.87

GC content: 31.53

Gene sequence:

>498_bases
ATGAGCAAAAAAGGAAAGAAAAAATCCAAAAACAATTCCTCAGTTGATGGAAATCGTCGCTTAGCAGAAAATCGACAAGC
AAGATATGAATATGAAATCCTAGAAACACTTGAAACTGGATTAGAGCTTCTTGGAACAGAAGTTAAATCAATTAGAGCTG
GAAAAGTAAATTTAAAAGATGGATTTTGCTTAATCAAAAAAGATCAAATTCAACTTCATAATGTTCATATATCGCCTCAT
AATCATGCCGGTAAATTTTTCAATCACGAACCTCTGAGAATAAAAAGACTTCTTGCACATCGAAAAGAAATCGAGAAATT
AAAAATAAGTTTAGAGAGAAAAGGTTTAACAATAATCCCTTTAAGTCTTTATCTAAAAGGCTCATGGATCAAATTAAAAA
TAGGAGTCGGTAAAGGAAGAAAGACTCATGACAAAAGAGATCGAGAGAAGATTAATGACTCCAAAAGAGATGTAGCTAAT
GCTCTAAAACGTTTTTAA

Upstream 100 bases:

>100_bases
CCTTTATCATTAGGAAGAGAAGAATGATTAGTAATTGAAGACACAATTGCCATGATTAAAGGGTAGTGGCATCTAAACAA
AAATGTAGGTAAATAGAAGA

Downstream 100 bases:

>100_bases
AAGAAAAAATTTGTTACTTTTTACTAGAATTCTTATAAAAAATCAAACTTTAATTATCCTTTCTCATGTGACATCCAAAC
TAACATTATCGGGTGGCGGT

Product: SsrA-binding protein

Products: NA

Alternate protein names: NA

Number of amino acids: Translated: 165; Mature: 164

Protein sequence:

>165_residues
MSKKGKKKSKNNSSVDGNRRLAENRQARYEYEILETLETGLELLGTEVKSIRAGKVNLKDGFCLIKKDQIQLHNVHISPH
NHAGKFFNHEPLRIKRLLAHRKEIEKLKISLERKGLTIIPLSLYLKGSWIKLKIGVGKGRKTHDKRDREKINDSKRDVAN
ALKRF

Sequences:

>Translated_165_residues
MSKKGKKKSKNNSSVDGNRRLAENRQARYEYEILETLETGLELLGTEVKSIRAGKVNLKDGFCLIKKDQIQLHNVHISPH
NHAGKFFNHEPLRIKRLLAHRKEIEKLKISLERKGLTIIPLSLYLKGSWIKLKIGVGKGRKTHDKRDREKINDSKRDVAN
ALKRF
>Mature_164_residues
SKKGKKKSKNNSSVDGNRRLAENRQARYEYEILETLETGLELLGTEVKSIRAGKVNLKDGFCLIKKDQIQLHNVHISPHN
HAGKFFNHEPLRIKRLLAHRKEIEKLKISLERKGLTIIPLSLYLKGSWIKLKIGVGKGRKTHDKRDREKINDSKRDVANA
LKRF

Specific function: Binds specifically to the ssrA RNA (tmRNA) and is required for stable association of ssrA with ribosomes

COG id: COG0691

COG function: function code O; tmRNA-binding protein

Gene ontology:

Cell location: Cytoplasm (Potential)

Metaboloic importance: Non_Essential [C]

Operon status: Not Known

Operon components: None

Similarity: Belongs to the smpB family

Homologues:

Organism=Escherichia coli, GI1788973, Length=149, Percent_Identity=41.6107382550336, Blast_Score=116, Evalue=9e-28,

Paralogues:

None

Copy number: NA

Swissprot (AC and ID): SSRP_PROM1 (A2C564)

Other databases:

- EMBL:   CP000553
- RefSeq:   YP_001015888.1
- ProteinModelPortal:   A2C564
- SMR:   A2C564
- STRING:   A2C564
- GeneID:   4780118
- GenomeReviews:   CP000553_GR
- KEGG:   pme:NATL1_20681
- eggNOG:   COG0691
- HOGENOM:   HBG293422
- OMA:   EKYEAGI
- ProtClustDB:   PRK05422
- BioCyc:   PMAR167555:NATL1_20681-MONOMER
- GO:   GO:0005737
- GO:   GO:0006412
- HAMAP:   MF_00023
- InterPro:   IPR000037
- InterPro:   IPR020081
- Gene3D:   G3DSA:2.40.280.10
- ProDom:   PD004488
- TIGRFAMs:   TIGR00086

Pfam domain/function: PF01668 SmpB; SSF74982 SmpB

EC number: NA

Molecular weight: Translated: 19056; Mature: 18924

Theoretical pI: Translated: 11.00; Mature: 11.00

Prosite motif: PS01317 SSRP

Important sites: NA

Signals:

None

Transmembrane regions:

None

Cys/Met content:

0.6 %Cys     (Translated Protein)
0.6 %Met     (Translated Protein)
1.2 %Cys+Met (Translated Protein)
0.6 %Cys     (Mature Protein)
0.0 %Met     (Mature Protein)
0.6 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MSKKGKKKSKNNSSVDGNRRLAENRQARYEYEILETLETGLELLGTEVKSIRAGKVNLKD
CCCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCEEECCC
GFCLIKKDQIQLHNVHISPHNHAGKFFNHEPLRIKRLLAHRKEIEKLKISLERKGLTIIP
CEEEEEECCEEEEEEEECCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHCCCCEEEE
LSLYLKGSWIKLKIGVGKGRKTHDKRDREKINDSKRDVANALKRF
EEEEEECCEEEEEEECCCCCCCCCHHHHHHHCCHHHHHHHHHHCC
>Mature Secondary Structure 
SKKGKKKSKNNSSVDGNRRLAENRQARYEYEILETLETGLELLGTEVKSIRAGKVNLKD
CCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCEEECCC
GFCLIKKDQIQLHNVHISPHNHAGKFFNHEPLRIKRLLAHRKEIEKLKISLERKGLTIIP
CEEEEEECCEEEEEEEECCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHCCCCEEEE
LSLYLKGSWIKLKIGVGKGRKTHDKRDREKINDSKRDVANALKRF
EEEEEECCEEEEEEECCCCCCCCCHHHHHHHCCHHHHHHHHHHCC

PDB accession: NA

Resolution: NA

Structure class: Alpha Beta

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: 10.0

TargetDB status: NA

Availability: NA

References: NA