Definition Sphingopyxis alaskensis RB2256, complete genome.
Accession NC_008048
Length 3,345,170

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The map label for this gene is queD [H]

Identifier: 103488121

GI number: 103488121

Start: 2788808

End: 2789182

Strand: Reverse

Name: queD [H]

Synonym: Sala_2644

Alternate gene names: 103488121

Gene position: 2789182-2788808 (Counterclockwise)

Preceding gene: 103488122

Following gene: 103488120

Centisome position: 83.38

GC content: 62.93

Gene sequence:

>375_bases
ATGTTTGAGCTCAGCAAGCAATTTCGTTTCGATGCCGCCCACACGCTGGAACGGTCGATCGATACCGAATCGAGCCGCCG
CATCCACGGCCACAGCTACCGTGCCGAGGTGACCGTGCGCGGGCGGCCCGATCCCGCGACTGGGATGATCGTCGATCTCG
GCCTGCTCGAGCGCTCGATGGAAGATGCCCGCGATGCGCTCGATCATCGCTTCCTCGACGAGATCAACGACCTCGGCCCC
GCCACGATGGAAAATCTCAGCCGCTGGATCTGGAACCGGCTCTCGCCCGAACTCGACAATCTGTTCAAGGTCAGCGTCTA
CCGCGACAGCAGCGGCGACGCCTGCACCTATTGGGGCGAGGAAGTCGCGGCATGA

Upstream 100 bases:

>100_bases
CGACCGCCGCCGCCAATCTCGAGGCTGCGATCACCTATTGCACCCAGAACCCGCGCTGGCGCCTCTCGCTCCAGTCGCAC
AAGATGATCGGGATCCGCTG

Downstream 100 bases:

>100_bases
CCGGCGACGCTGGCGCGCTCGTCCTTTTCTCTGGTGGGCAGGACAGCGCCACTTGTCTTGCCTGGGCATTGGACCGGTTC
GAGACCGTCGAGACCGTCGG

Product: putative 6-pyruvoyl tetrahydropterin synthase

Products: 6-pyruvoyl-5,6,7,8-tetrahydropterin; triphosphate

Alternate protein names: CPH4 synthase; Queuosine biosynthesis protein queD [H]

Number of amino acids: Translated: 124; Mature: 124

Protein sequence:

>124_residues
MFELSKQFRFDAAHTLERSIDTESSRRIHGHSYRAEVTVRGRPDPATGMIVDLGLLERSMEDARDALDHRFLDEINDLGP
ATMENLSRWIWNRLSPELDNLFKVSVYRDSSGDACTYWGEEVAA

Sequences:

>Translated_124_residues
MFELSKQFRFDAAHTLERSIDTESSRRIHGHSYRAEVTVRGRPDPATGMIVDLGLLERSMEDARDALDHRFLDEINDLGP
ATMENLSRWIWNRLSPELDNLFKVSVYRDSSGDACTYWGEEVAA
>Mature_124_residues
MFELSKQFRFDAAHTLERSIDTESSRRIHGHSYRAEVTVRGRPDPATGMIVDLGLLERSMEDARDALDHRFLDEINDLGP
ATMENLSRWIWNRLSPELDNLFKVSVYRDSSGDACTYWGEEVAA

Specific function: Catalyzes the conversion of 7,8-dihydroneopterin triphosphate (H2NTP) to 6-carboxy-5,6,7,8-tetrahydropterin (CPH4) and acetaldehyde [H]

COG id: COG0720

COG function: function code H; 6-pyruvoyl-tetrahydropterin synthase

Gene ontology:

Cell location: Cytoplasm [C]

Metaboloic importance: Unknown [C]

Operon status: Not Known

Operon components: None

Similarity: Belongs to the PTPS family. QueD subfamily [H]

Homologues:

Organism=Homo sapiens, GI4506331, Length=135, Percent_Identity=34.0740740740741, Blast_Score=67, Evalue=4e-12,
Organism=Escherichia coli, GI1789124, Length=117, Percent_Identity=35.042735042735, Blast_Score=82, Evalue=9e-18,

Paralogues:

None

Copy number: NA

Swissprot (AC and ID): NA

Other databases:

- InterPro:   IPR007116
- InterPro:   IPR007115 [H]

Pfam domain/function: PF01242 PTPS [H]

EC number: 4.2.3.12

Molecular weight: Translated: 14233; Mature: 14233

Theoretical pI: Translated: 4.68; Mature: 4.68

Prosite motif: NA

Important sites: NA

Signals:

None

Transmembrane regions:

None

Cys/Met content:

0.8 %Cys     (Translated Protein)
3.2 %Met     (Translated Protein)
4.0 %Cys+Met (Translated Protein)
0.8 %Cys     (Mature Protein)
3.2 %Met     (Mature Protein)
4.0 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MFELSKQFRFDAAHTLERSIDTESSRRIHGHSYRAEVTVRGRPDPATGMIVDLGLLERSM
CCCCCCHHHHHHHHHHHHHCCCCCCCCCCCCCEEEEEEECCCCCCCCCCEEHHHHHHHHH
EDARDALDHRFLDEINDLGPATMENLSRWIWNRLSPELDNLFKVSVYRDSSGDACTYWGE
HHHHHHHHHHHHHHHHCCCCHHHHHHHHHHHHHCCCCCCCEEEEEEEECCCCCEEEECCH
EVAA
HHCC
>Mature Secondary Structure
MFELSKQFRFDAAHTLERSIDTESSRRIHGHSYRAEVTVRGRPDPATGMIVDLGLLERSM
CCCCCCHHHHHHHHHHHHHCCCCCCCCCCCCCEEEEEEECCCCCCCCCCEEHHHHHHHHH
EDARDALDHRFLDEINDLGPATMENLSRWIWNRLSPELDNLFKVSVYRDSSGDACTYWGE
HHHHHHHHHHHHHHHHCCCCHHHHHHHHHHHHHCCCCCCCEEEEEEEECCCCCEEEECCH
EVAA
HHCC

PDB accession: NA

Resolution: NA

Structure class: Alpha Beta

Cofactors: NA

Metal ions: Mg2+; Zn2+ [C]

Kcat value (1/min): NA

Specific activity: NA

Km value (mM): 17.7 {6-(L-erythro-1,2-dihydroxypropyl} 5 {6-(L-erythro-1,2-dihydroxypropyl} 0.0091 {6-(L-erythro-1,2-dihydroxypropyl} 0.008 {6-(L-erythro-1,2-dihydroxypropyl} [C]

Substrates: 6-[(1S,2R)-1,2-dihydroxy-3-triphosphooxypropyl]-7,8-dihydropterin

Specific reaction: 6-[(1S,2R)-1,2-dihydroxy-3-triphosphooxypropyl]-7,8-dihydropterin = 6-pyruvoyl-5,6,7,8-tetrahydropterin + triphosphate

General reaction: Intramolecular redox reaction; P-O bond cleavage; Triphosphate elimination [C]

Inhibitor: (NH4)2SO4 [C]

Structure determination priority: 10.0

TargetDB status: NA

Availability: NA

References: 11206551; 11258796 [H]