Definition Prochlorococcus marinus str. MIT 9312, complete genome.
Accession NC_007577
Length 1,709,204

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The map label for this gene is guaB [C]

Identifier: 78779456

GI number: 78779456

Start: 980322

End: 981485

Strand: Reverse

Name: guaB [C]

Synonym: PMT9312_1073

Alternate gene names: 78779456

Gene position: 981485-980322 (Counterclockwise)

Preceding gene: 78779459

Following gene: 78779455

Centisome position: 57.42

GC content: 38.06

Gene sequence:

>1164_bases
GTGAATATTGAACTTGGTTTGAACAAAAATGTCAGAAGGGCTTATGGTATTGATGAAATAGCTTTAGTCCCTGGCAAAAG
AACACTAGATTACGATTTAACTGATCCTTCCTGGTTAATAGGGGATTTAAAGAGAGAAGTTCCAATTGTAGCTAGCGCTA
TGGACAGCGTAGTGGATGTTAATACGGCTGTAGAACTTACCAAATTAGGTGCCCTAGGGGTTATTAATATGGAAGGCATT
CAAACACGTTATGATAATCCTGATGAAACATTAAATCAAATAGCATCAGTAGGGAAAAATGATTTTGTCCCATTAATGCA
GAAGATATACAGTGAACCTGTTAAGGAGAAATTAATTTTACAGAGAATAAATGAGGTTAAAGAAAGAGGAGGTATAGCTG
CGTTTAGTGGAACTCCTCAAGCTGCCATAAAATTTAAGGAAACACTTAATAATTCCAAAATAGATTTATTTTTTCTTCAA
GGAACAGTCGTCTCAACTGAGCATCTTGGCATGGAAGGTAAGGAAACCTTAAATATTAAAAACCTCTGTCAATCTATGAA
TGTCCCTGTTATAGCTGGTAATTGTGTTACTTACGAAGTTGCTAAACTTCTTATGCAGGCTGGAGTTGCAGGATTAATGG
TTGGTATAGGCCCTGGAGCGGCATGTACTTCAAGAGGGGTACTAGGAATTGGAATCCCACAAGCAACTGCAATTGCTGAT
TGTAGTTCGGCAAGAGATGATTATTTTAAAGAAAGTGGTCATTATATTCCTATTATCGGAGATGGAGGAATTGTAACAGG
CGGAGATATTTGTAAATGTTTAGCTTGTGGTGCAGATGCTGTAATGATTGGCTCACCAATAGCTAAATCCTCAAATGCTC
CAGGTAAAGGATTTCACTGGGGTATGGCTACTCCAAGTCCAATATTGCCAAGAGGGACAAGAATTGAAGTTGGTTCGACA
GGTTCCTTAGAAAGGATAATTAAAGGCCCTGCTTTGCTTGATGATGGTACACATAATTTATTAGGAGCTATTAGAACATC
AATGAGTACTCTTGGGGCTAAAAATATTAAAGAAATGCAGGAGGTTGAAATAGTTATTGCACCATCTCTTCTTACGGAGG
GTAAGGTTTATCAAAAAGCTCAGCAGCTTGGGATGGGTAAATAG

Upstream 100 bases:

>100_bases
ACATTTACACACAAATTTAAAAAAAACCTGTTGTTTTTGAATAAACCTTGGCTTATTACCCCTTTAGTTGTTAATTTAAT
CAGAATAAATTAAAAAATCC

Downstream 100 bases:

>100_bases
TTTATTTAGAGCAAAATTATAAAAATAAGTATATATAATATTTAAATTGAACAATTTTCTCTTTAGGAGTTATTATTAAA
AAATGGGGGAAACCCCATAC

Product: inosine 5-monophosphate dehydrogenase

Products: xanthosine 5'-phosphate; NADH; H+

Alternate protein names: NA

Number of amino acids: Translated: 387; Mature: 387

Protein sequence:

>387_residues
MNIELGLNKNVRRAYGIDEIALVPGKRTLDYDLTDPSWLIGDLKREVPIVASAMDSVVDVNTAVELTKLGALGVINMEGI
QTRYDNPDETLNQIASVGKNDFVPLMQKIYSEPVKEKLILQRINEVKERGGIAAFSGTPQAAIKFKETLNNSKIDLFFLQ
GTVVSTEHLGMEGKETLNIKNLCQSMNVPVIAGNCVTYEVAKLLMQAGVAGLMVGIGPGAACTSRGVLGIGIPQATAIAD
CSSARDDYFKESGHYIPIIGDGGIVTGGDICKCLACGADAVMIGSPIAKSSNAPGKGFHWGMATPSPILPRGTRIEVGST
GSLERIIKGPALLDDGTHNLLGAIRTSMSTLGAKNIKEMQEVEIVIAPSLLTEGKVYQKAQQLGMGK

Sequences:

>Translated_387_residues
MNIELGLNKNVRRAYGIDEIALVPGKRTLDYDLTDPSWLIGDLKREVPIVASAMDSVVDVNTAVELTKLGALGVINMEGI
QTRYDNPDETLNQIASVGKNDFVPLMQKIYSEPVKEKLILQRINEVKERGGIAAFSGTPQAAIKFKETLNNSKIDLFFLQ
GTVVSTEHLGMEGKETLNIKNLCQSMNVPVIAGNCVTYEVAKLLMQAGVAGLMVGIGPGAACTSRGVLGIGIPQATAIAD
CSSARDDYFKESGHYIPIIGDGGIVTGGDICKCLACGADAVMIGSPIAKSSNAPGKGFHWGMATPSPILPRGTRIEVGST
GSLERIIKGPALLDDGTHNLLGAIRTSMSTLGAKNIKEMQEVEIVIAPSLLTEGKVYQKAQQLGMGK
>Mature_387_residues
MNIELGLNKNVRRAYGIDEIALVPGKRTLDYDLTDPSWLIGDLKREVPIVASAMDSVVDVNTAVELTKLGALGVINMEGI
QTRYDNPDETLNQIASVGKNDFVPLMQKIYSEPVKEKLILQRINEVKERGGIAAFSGTPQAAIKFKETLNNSKIDLFFLQ
GTVVSTEHLGMEGKETLNIKNLCQSMNVPVIAGNCVTYEVAKLLMQAGVAGLMVGIGPGAACTSRGVLGIGIPQATAIAD
CSSARDDYFKESGHYIPIIGDGGIVTGGDICKCLACGADAVMIGSPIAKSSNAPGKGFHWGMATPSPILPRGTRIEVGST
GSLERIIKGPALLDDGTHNLLGAIRTSMSTLGAKNIKEMQEVEIVIAPSLLTEGKVYQKAQQLGMGK

Specific function: GMP biosynthesis from IMP; first step. [C]

COG id: COG0516

COG function: function code F; IMP dehydrogenase/GMP reductase

Gene ontology:

Cell location: Cytoplasm [C]

Metaboloic importance: Non_Essential [C]

Operon status: Not Known

Operon components: None

Similarity: Belongs to the IMPDH/GMPR family [H]

Homologues:

Organism=Homo sapiens, GI66933016, Length=112, Percent_Identity=46.4285714285714, Blast_Score=88, Evalue=1e-17,
Organism=Homo sapiens, GI50541954, Length=377, Percent_Identity=25.4641909814324, Blast_Score=87, Evalue=2e-17,
Organism=Homo sapiens, GI50541952, Length=377, Percent_Identity=25.4641909814324, Blast_Score=87, Evalue=2e-17,
Organism=Homo sapiens, GI50541948, Length=377, Percent_Identity=25.4641909814324, Blast_Score=87, Evalue=2e-17,
Organism=Homo sapiens, GI50541956, Length=384, Percent_Identity=25.2604166666667, Blast_Score=87, Evalue=2e-17,
Organism=Homo sapiens, GI217035146, Length=112, Percent_Identity=44.6428571428571, Blast_Score=86, Evalue=8e-17,
Organism=Homo sapiens, GI217035150, Length=112, Percent_Identity=44.6428571428571, Blast_Score=86, Evalue=8e-17,
Organism=Homo sapiens, GI217035152, Length=112, Percent_Identity=44.6428571428571, Blast_Score=86, Evalue=8e-17,
Organism=Homo sapiens, GI34328930, Length=112, Percent_Identity=44.6428571428571, Blast_Score=85, Evalue=9e-17,
Organism=Homo sapiens, GI217035148, Length=112, Percent_Identity=44.6428571428571, Blast_Score=85, Evalue=9e-17,
Organism=Homo sapiens, GI34328928, Length=112, Percent_Identity=44.6428571428571, Blast_Score=85, Evalue=1e-16,
Organism=Homo sapiens, GI156616279, Length=112, Percent_Identity=44.6428571428571, Blast_Score=85, Evalue=1e-16,
Organism=Homo sapiens, GI156104880, Length=197, Percent_Identity=29.9492385786802, Blast_Score=82, Evalue=1e-15,
Organism=Escherichia coli, GI1786293, Length=289, Percent_Identity=26.2975778546713, Blast_Score=79, Evalue=5e-16,
Organism=Escherichia coli, GI1788855, Length=241, Percent_Identity=29.8755186721992, Blast_Score=76, Evalue=3e-15,
Organism=Caenorhabditis elegans, GI71994385, Length=142, Percent_Identity=39.4366197183099, Blast_Score=87, Evalue=1e-17,
Organism=Caenorhabditis elegans, GI71994389, Length=142, Percent_Identity=39.4366197183099, Blast_Score=87, Evalue=1e-17,
Organism=Caenorhabditis elegans, GI17560440, Length=187, Percent_Identity=31.0160427807487, Blast_Score=82, Evalue=7e-16,
Organism=Saccharomyces cerevisiae, GI6322012, Length=112, Percent_Identity=36.6071428571429, Blast_Score=75, Evalue=2e-14,
Organism=Saccharomyces cerevisiae, GI6323464, Length=113, Percent_Identity=35.3982300884956, Blast_Score=74, Evalue=3e-14,
Organism=Saccharomyces cerevisiae, GI6323585, Length=113, Percent_Identity=34.5132743362832, Blast_Score=74, Evalue=6e-14,
Organism=Drosophila melanogaster, GI24641071, Length=168, Percent_Identity=36.9047619047619, Blast_Score=91, Evalue=2e-18,
Organism=Drosophila melanogaster, GI24641073, Length=168, Percent_Identity=36.9047619047619, Blast_Score=91, Evalue=2e-18,
Organism=Drosophila melanogaster, GI28571163, Length=170, Percent_Identity=36.4705882352941, Blast_Score=91, Evalue=2e-18,

Paralogues:

None

Copy number: 600 Molecules/Cell In: Growth Phase, Minimal Media (Based on E. coli). [C]

Swissprot (AC and ID): NA

Other databases:

- InterPro:   IPR013785
- InterPro:   IPR001093
- InterPro:   IPR005992 [H]

Pfam domain/function: PF00478 IMPDH [H]

EC number: 1.1.1.205

Molecular weight: Translated: 41054; Mature: 41054

Theoretical pI: Translated: 6.16; Mature: 6.16

Prosite motif: NA

Important sites: NA

Signals:

None

Transmembrane regions:

None

Cys/Met content:

1.8 %Cys     (Translated Protein)
3.4 %Met     (Translated Protein)
5.2 %Cys+Met (Translated Protein)
1.8 %Cys     (Mature Protein)
3.4 %Met     (Mature Protein)
5.2 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MNIELGLNKNVRRAYGIDEIALVPGKRTLDYDLTDPSWLIGDLKREVPIVASAMDSVVDV
CCEEECCCCCCHHHCCCCCEEECCCCCEEEECCCCCHHHHHHHHHCCCHHHHHHHHHHHH
NTAVELTKLGALGVINMEGIQTRYDNPDETLNQIASVGKNDFVPLMQKIYSEPVKEKLIL
HHHHHHHHCCCEEEEECCCCCCCCCCHHHHHHHHHHCCCCCHHHHHHHHHHCHHHHHHHH
QRINEVKERGGIAAFSGTPQAAIKFKETLNNSKIDLFFLQGTVVSTEHLGMEGKETLNIK
HHHHHHHHHCCEEEECCCCHHHHHHHHHCCCCCEEEEEEECEEEEHHHCCCCCCCCCCHH
NLCQSMNVPVIAGNCVTYEVAKLLMQAGVAGLMVGIGPGAACTSRGVLGIGIPQATAIAD
HHHHHCCCCEEECCHHHHHHHHHHHHCCHHEEEEECCCCCHHHCCCEEEECCCCHHHHHH
CSSARDDYFKESGHYIPIIGDGGIVTGGDICKCLACGADAVMIGSPIAKSSNAPGKGFHW
HHHHHHHHHHCCCCEEEEEECCCEEECHHHHHHHHCCCCEEEECCCCCCCCCCCCCCEEC
GMATPSPILPRGTRIEVGSTGSLERIIKGPALLDDGTHNLLGAIRTSMSTLGAKNIKEMQ
CCCCCCCCCCCCCEEEECCCCCHHHHHCCCCEECCCHHHHHHHHHHHHHHHCHHHHHHHH
EVEIVIAPSLLTEGKVYQKAQQLGMGK
HEEEEEECCHHHCCHHHHHHHHHCCCC
>Mature Secondary Structure
MNIELGLNKNVRRAYGIDEIALVPGKRTLDYDLTDPSWLIGDLKREVPIVASAMDSVVDV
CCEEECCCCCCHHHCCCCCEEECCCCCEEEECCCCCHHHHHHHHHCCCHHHHHHHHHHHH
NTAVELTKLGALGVINMEGIQTRYDNPDETLNQIASVGKNDFVPLMQKIYSEPVKEKLIL
HHHHHHHHCCCEEEEECCCCCCCCCCHHHHHHHHHHCCCCCHHHHHHHHHHCHHHHHHHH
QRINEVKERGGIAAFSGTPQAAIKFKETLNNSKIDLFFLQGTVVSTEHLGMEGKETLNIK
HHHHHHHHHCCEEEECCCCHHHHHHHHHCCCCCEEEEEEECEEEEHHHCCCCCCCCCCHH
NLCQSMNVPVIAGNCVTYEVAKLLMQAGVAGLMVGIGPGAACTSRGVLGIGIPQATAIAD
HHHHHCCCCEEECCHHHHHHHHHHHHCCHHEEEEECCCCCHHHCCCEEEECCCCHHHHHH
CSSARDDYFKESGHYIPIIGDGGIVTGGDICKCLACGADAVMIGSPIAKSSNAPGKGFHW
HHHHHHHHHHCCCCEEEEEECCCEEECHHHHHHHHCCCCEEEECCCCCCCCCCCCCCEEC
GMATPSPILPRGTRIEVGSTGSLERIIKGPALLDDGTHNLLGAIRTSMSTLGAKNIKEMQ
CCCCCCCCCCCCCEEEECCCCCHHHHHCCCCEECCCHHHHHHHHHHHHHHHCHHHHHHHH
EVEIVIAPSLLTEGKVYQKAQQLGMGK
HEEEEEECCHHHCCHHHHHHHHHCCCC

PDB accession: NA

Resolution: NA

Structure class: Alpha Beta

Cofactors: NAD+ [C]

Metal ions: NA

Kcat value (1/min): NA

Specific activity: NA

Km value (mM): NA

Substrates: inosine 5'-phosphate; NAD+; H2O

Specific reaction: inosine 5'-phosphate + NAD+ + H2O = xanthosine 5'-phosphate + NADH + H+

General reaction: Redox reaction [C]

Inhibitor: NA

Structure determination priority: 9.0

TargetDB status: NA

Availability: NA

References: NA