Definition Helicobacter hepaticus ATCC 51449 chromosome, complete genome.
Accession NC_004917
Length 1,799,146

Click here to switch to the map view.

The map label for this gene is topA

Identifier: 32267297

GI number: 32267297

Start: 1718740

End: 1720989

Strand: Direct

Name: topA

Synonym: HH1798

Alternate gene names: 32267297

Gene position: 1718740-1720989 (Clockwise)

Preceding gene: 32267293

Following gene: 32267298

Centisome position: 95.53

GC content: 36.93

Gene sequence:

>2250_bases
ATGAAAGATTTAATCATTGTAGAATCGCCCGCCAAAGCAAGGACGATTAAAAATTTTTTAGGGAGTAAATATGAGGTTAT
AGCCTCTAAAGGTCATATCCGAGACTTGCCAAAATATACTTTTGGCATTGATATAAAGGATAAAACATTCCACCCACAAT
ACACTATCAGTAAAGACCATATGGAGATTGTTGAGAAAATTAAGGTTGCTAGCAAAAAAGCAAAGGTAACTTATATTGCA
ACAGATGAGGATAGAGAGGGGGAGGCTATCGGTTTTCATATTACTCAAGCTCTAAATCTCCCTTATGAAAAAATCCCACG
CATTGTGTTTCACGAGATTACAAAAAATGCTATTACGCACTCATTGCAAAATCCGCGTCAAATTGATATGGCAAAGGTAA
ATGCTCAACAAGCACGGCGGTTGCTTGATAGGATTGTTGGTTTTAAACTTTCCGAACTTATTTCTTCCAAGATTCAGCGT
GGATTATCAGCAGGACGTGTGCAAAGTTCTGCGCTTAAGATTATTGTGGATAGGGAACGAGAGATACGCGCCTTTAAGCC
GACAATTTATTTTTTAATTAATGCAGTTTTTAATATGAAACCTAAGAGTAAGCAAAAAAACCAAGATAATGGTCAAAATA
ATATAGAAGCCGAACTCATCACTTATGACAAAAAGCTTGAAAAGCTCTCTTTGCAAAATTTTGAGGCGGTAGAGGCGATG
TTGGAGCATATCCAAAAGCAGCAATTTTTTATTAAAGAAATTATCACAAAAAGTAAGAAAATATCAACACCTCCACCATT
TATGACTTCTACATTACAACAAAGTGCCTCAAGTTTATTAGGATTTTCTCCCTCACGGACGATGAGTATTGCACAACGAC
TTTATGAAGGTGTGGAAACGAATTTTGGAAGTATGGGGGTAATTACCTATATGAGGACAGATAGTCTTAATATTGCCAAA
GAAGCGCAAAAAGCCGCAAGAGAAATGATTATAAAAACTTATGGCAAAGAATATGTTCCTGCTAAAACCAAAAATTACGC
TACCAAATCCAAAGCTGCACAAGAAGCTCACGAAGCGATACGACCAACCAATCTTGATTTTACTCCAGAAATCGCAAAAT
CTTATCTTAAGCCAGAAGAGCATAAGCTTTATGCACTTATTTATTATCGTTTTTTGGCTTCACAAAGTCAAGATGCGCTT
TTTGAGATACAAAATATTATTTTTACACCTCATAATCAAACACATTTGATTGAATTTAAAGCAAGTGGGCGCAAACTTGT
TTATGATGGATTCTATAAGATTATGGGAAATGATGACAAAGATAAGCTTTTGCCCGAATGCAAAGAGGGCGAAGATGTGT
TATTAAATAATATAGAATCTGTTCAAAAATCCACCGAAGCTCCGTCGCGTTATTCTGAAGCAAGCATTATTAAAAGTATG
GAATCACTTGGTATTGGTCGTCCCTCCACTTATGCACCAACTATTGCATTGCTTGTGGCACGAGAATATGTGAATATAGA
AAAAAAGCAGCTTGTGCCGCAAGAAAGTGCATTTAAGGTGATAGAAATGTTGGAATCTTATTTTGATGAGATTGTAGATA
CCCATTTTACCGCCGGATTAGAAGATAAGCTTGATGAAATCGCTCAAGCAAAAATGAATTGGGAATCTGTGCTGTGGGAG
TTTTATCAGCCATTTATGCAAAAGATAGAATCTGGCAAAAAAGTGATTGTCTCACAAAAAGTTGCTATTCCTACAGGAGA
GATGTGTCCAAAATGTGGGAAAGAGCTTGTGCAACGCAAGAGCAAATATGGTGAATTTATCGCGTGTAGCGGTTATCCCA
AATGTAAATATATTAAACCTACACAACAAGATTCTCAATCGCAATCCCAAGAATATGGTGTATGTGAAAAATGTGGCGAA
CCTATGATAAAAAAGTTTGGTCGTAATGGTGAATTTATCGCGTGTAGCGGTTATCCCAAATGTAAAAATACAAAATCTCT
CACAGACAAAGCACAGGCTCATAGTGTTGAAGGTGTGGTTTGTCCAGAATGCGAAGGAGAGATTGTAAAAAGATTTAGCC
GCAGGGGAGCGTTTTATGGCTGCAAGAACTATCCAAAATGCACTTTTATCTCAAAATTTGAGCCTATCAAAGAGAAATGT
CCGCAATGTGGCGGAATAAGCGTAGAGCGTGAATATCGCAAAAAACAAGTGCGCGAATGTCTCAAATGCAAGCATAGAAT
AGAAATATAA

Upstream 100 bases:

>100_bases
TTTATGTTAAAAAACATAAAATGTGAAATTCTAATGAGAATCTGTGCTAAAATCCGTTTTTTATTTCTCATAGAAATTAG
GCATTAGGGGAATTTAAGCT

Downstream 100 bases:

>100_bases
AAATTATCAAATAATGTTACTTTTTCTCTAAAAAAATAGATAAACCTCAAAAAACCTTTTGCTTTTAAGCAAAATCGGGG
GGGGGGGGGGGTAGAATAGC

Product: DNA topoisomerase I

Products: NA

Alternate protein names: DNA topoisomerase I; Omega-protein; Relaxing enzyme; Swivelase; Untwisting enzyme [H]

Number of amino acids: Translated: 749; Mature: 749

Protein sequence:

>749_residues
MKDLIIVESPAKARTIKNFLGSKYEVIASKGHIRDLPKYTFGIDIKDKTFHPQYTISKDHMEIVEKIKVASKKAKVTYIA
TDEDREGEAIGFHITQALNLPYEKIPRIVFHEITKNAITHSLQNPRQIDMAKVNAQQARRLLDRIVGFKLSELISSKIQR
GLSAGRVQSSALKIIVDREREIRAFKPTIYFLINAVFNMKPKSKQKNQDNGQNNIEAELITYDKKLEKLSLQNFEAVEAM
LEHIQKQQFFIKEIITKSKKISTPPPFMTSTLQQSASSLLGFSPSRTMSIAQRLYEGVETNFGSMGVITYMRTDSLNIAK
EAQKAAREMIIKTYGKEYVPAKTKNYATKSKAAQEAHEAIRPTNLDFTPEIAKSYLKPEEHKLYALIYYRFLASQSQDAL
FEIQNIIFTPHNQTHLIEFKASGRKLVYDGFYKIMGNDDKDKLLPECKEGEDVLLNNIESVQKSTEAPSRYSEASIIKSM
ESLGIGRPSTYAPTIALLVAREYVNIEKKQLVPQESAFKVIEMLESYFDEIVDTHFTAGLEDKLDEIAQAKMNWESVLWE
FYQPFMQKIESGKKVIVSQKVAIPTGEMCPKCGKELVQRKSKYGEFIACSGYPKCKYIKPTQQDSQSQSQEYGVCEKCGE
PMIKKFGRNGEFIACSGYPKCKNTKSLTDKAQAHSVEGVVCPECEGEIVKRFSRRGAFYGCKNYPKCTFISKFEPIKEKC
PQCGGISVEREYRKKQVRECLKCKHRIEI

Sequences:

>Translated_749_residues
MKDLIIVESPAKARTIKNFLGSKYEVIASKGHIRDLPKYTFGIDIKDKTFHPQYTISKDHMEIVEKIKVASKKAKVTYIA
TDEDREGEAIGFHITQALNLPYEKIPRIVFHEITKNAITHSLQNPRQIDMAKVNAQQARRLLDRIVGFKLSELISSKIQR
GLSAGRVQSSALKIIVDREREIRAFKPTIYFLINAVFNMKPKSKQKNQDNGQNNIEAELITYDKKLEKLSLQNFEAVEAM
LEHIQKQQFFIKEIITKSKKISTPPPFMTSTLQQSASSLLGFSPSRTMSIAQRLYEGVETNFGSMGVITYMRTDSLNIAK
EAQKAAREMIIKTYGKEYVPAKTKNYATKSKAAQEAHEAIRPTNLDFTPEIAKSYLKPEEHKLYALIYYRFLASQSQDAL
FEIQNIIFTPHNQTHLIEFKASGRKLVYDGFYKIMGNDDKDKLLPECKEGEDVLLNNIESVQKSTEAPSRYSEASIIKSM
ESLGIGRPSTYAPTIALLVAREYVNIEKKQLVPQESAFKVIEMLESYFDEIVDTHFTAGLEDKLDEIAQAKMNWESVLWE
FYQPFMQKIESGKKVIVSQKVAIPTGEMCPKCGKELVQRKSKYGEFIACSGYPKCKYIKPTQQDSQSQSQEYGVCEKCGE
PMIKKFGRNGEFIACSGYPKCKNTKSLTDKAQAHSVEGVVCPECEGEIVKRFSRRGAFYGCKNYPKCTFISKFEPIKEKC
PQCGGISVEREYRKKQVRECLKCKHRIEI
>Mature_749_residues
MKDLIIVESPAKARTIKNFLGSKYEVIASKGHIRDLPKYTFGIDIKDKTFHPQYTISKDHMEIVEKIKVASKKAKVTYIA
TDEDREGEAIGFHITQALNLPYEKIPRIVFHEITKNAITHSLQNPRQIDMAKVNAQQARRLLDRIVGFKLSELISSKIQR
GLSAGRVQSSALKIIVDREREIRAFKPTIYFLINAVFNMKPKSKQKNQDNGQNNIEAELITYDKKLEKLSLQNFEAVEAM
LEHIQKQQFFIKEIITKSKKISTPPPFMTSTLQQSASSLLGFSPSRTMSIAQRLYEGVETNFGSMGVITYMRTDSLNIAK
EAQKAAREMIIKTYGKEYVPAKTKNYATKSKAAQEAHEAIRPTNLDFTPEIAKSYLKPEEHKLYALIYYRFLASQSQDAL
FEIQNIIFTPHNQTHLIEFKASGRKLVYDGFYKIMGNDDKDKLLPECKEGEDVLLNNIESVQKSTEAPSRYSEASIIKSM
ESLGIGRPSTYAPTIALLVAREYVNIEKKQLVPQESAFKVIEMLESYFDEIVDTHFTAGLEDKLDEIAQAKMNWESVLWE
FYQPFMQKIESGKKVIVSQKVAIPTGEMCPKCGKELVQRKSKYGEFIACSGYPKCKYIKPTQQDSQSQSQEYGVCEKCGE
PMIKKFGRNGEFIACSGYPKCKNTKSLTDKAQAHSVEGVVCPECEGEIVKRFSRRGAFYGCKNYPKCTFISKFEPIKEKC
PQCGGISVEREYRKKQVRECLKCKHRIEI

Specific function: The reaction catalyzed by topoisomerases leads to the conversion of one topological isomer of DNA to another [H]

COG id: COG0550

COG function: function code L; Topoisomerase IA

Gene ontology:

Cell location: Cytoplasm [C]

Metaboloic importance: Essential [C]

Operon status: Not Known

Operon components: None

Similarity: Contains 1 Toprim domain [H]

Homologues:

Organism=Homo sapiens, GI10835218, Length=670, Percent_Identity=24.3283582089552, Blast_Score=145, Evalue=2e-34,
Organism=Homo sapiens, GI4507635, Length=719, Percent_Identity=21.2795549374131, Blast_Score=111, Evalue=3e-24,
Organism=Escherichia coli, GI1787529, Length=758, Percent_Identity=33.6411609498681, Blast_Score=402, Evalue=1e-113,
Organism=Escherichia coli, GI48994931, Length=142, Percent_Identity=41.5492957746479, Blast_Score=110, Evalue=2e-25,
Organism=Escherichia coli, GI1788061, Length=547, Percent_Identity=23.217550274223, Blast_Score=95, Evalue=2e-20,
Organism=Caenorhabditis elegans, GI17555378, Length=529, Percent_Identity=25.3308128544423, Blast_Score=113, Evalue=4e-25,
Organism=Saccharomyces cerevisiae, GI6323263, Length=509, Percent_Identity=23.5756385068762, Blast_Score=99, Evalue=3e-21,
Organism=Drosophila melanogaster, GI24640096, Length=553, Percent_Identity=22.4231464737794, Blast_Score=94, Evalue=4e-19,

Paralogues:

None

Copy number: NA

Swissprot (AC and ID): NA

Other databases:

- InterPro:   IPR003601
- InterPro:   IPR013497
- InterPro:   IPR013824
- InterPro:   IPR013825
- InterPro:   IPR000380
- InterPro:   IPR003602
- InterPro:   IPR013498
- InterPro:   IPR005733
- InterPro:   IPR006171 [H]

Pfam domain/function: PF01131 Topoisom_bac; PF01751 Toprim; PF01396 zf-C4_Topoisom [H]

EC number: =5.99.1.2 [H]

Molecular weight: Translated: 85362; Mature: 85362

Theoretical pI: Translated: 9.43; Mature: 9.43

Prosite motif: PS00396 TOPOISOMERASE_I_PROK

Important sites: NA

Signals:

None

Transmembrane regions:

None

Cys/Met content:

2.3 %Cys     (Translated Protein)
2.3 %Met     (Translated Protein)
4.5 %Cys+Met (Translated Protein)
2.3 %Cys     (Mature Protein)
2.3 %Met     (Mature Protein)
4.5 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MKDLIIVESPAKARTIKNFLGSKYEVIASKGHIRDLPKYTFGIDIKDKTFHPQYTISKDH
CCCEEEEECCHHHHHHHHHHCCCEEEEECCCCCCCCCCCEEEEECCCCCCCCCEEECHHH
MEIVEKIKVASKKAKVTYIATDEDREGEAIGFHITQALNLPYEKIPRIVFHEITKNAITH
HHHHHHHHHHHCCCEEEEEECCCCCCCCEEEEEHHHHHCCCHHHHHHHHHHHHHHHHHHH
SLQNPRQIDMAKVNAQQARRLLDRIVGFKLSELISSKIQRGLSAGRVQSSALKIIVDRER
HHCCCCHHHHHHCCHHHHHHHHHHHHCHHHHHHHHHHHHHCHHHCCHHHHHHEEEECCCH
EIRAFKPTIYFLINAVFNMKPKSKQKNQDNGQNNIEAELITYDKKLEKLSLQNFEAVEAM
HHHHHHHHHHHHHHHHHCCCCCCCCCCCCCCCCCCEEEEEHHHHHHHHHHHCCHHHHHHH
LEHIQKQQFFIKEIITKSKKISTPPPFMTSTLQQSASSLLGFSPSRTMSIAQRLYEGVET
HHHHHHHHHHHHHHHHHCCCCCCCCCHHHHHHHHHHHHHHCCCCHHHHHHHHHHHHHHHC
NFGSMGVITYMRTDSLNIAKEAQKAAREMIIKTYGKEYVPAKTKNYATKSKAAQEAHEAI
CCCCCEEEEEEECCCCHHHHHHHHHHHHHHHHHHCCCCCCCCCCCHHHHHHHHHHHHHHC
RPTNLDFTPEIAKSYLKPEEHKLYALIYYRFLASQSQDALFEIQNIIFTPHNQTHLIEFK
CCCCCCCCHHHHHHHCCCCHHHHHHHHHHHHHHCCCHHHHHHHHHHEECCCCCEEEEEEE
ASGRKLVYDGFYKIMGNDDKDKLLPECKEGEDVLLNNIESVQKSTEAPSRYSEASIIKSM
CCCCEEEEHHHHHHCCCCCHHHHCCCCCCCCHHHHHHHHHHHHHCCCCCHHHHHHHHHHH
ESLGIGRPSTYAPTIALLVAREYVNIEKKQLVPQESAFKVIEMLESYFDEIVDTHFTAGL
HHHCCCCCCCHHHHHHHHHHHHHHCCHHHHCCCHHHHHHHHHHHHHHHHHHHHHHHCCCH
EDKLDEIAQAKMNWESVLWEFYQPFMQKIESGKKVIVSQKVAIPTGEMCPKCGKELVQRK
HHHHHHHHHHHCCHHHHHHHHHHHHHHHHHCCCEEEEECEECCCCHHCCHHHHHHHHHHH
SKYGEFIACSGYPKCKYIKPTQQDSQSQSQEYGVCEKCGEPMIKKFGRNGEFIACSGYPK
HHCCCEEEECCCCCCCCCCCCCCCHHHHHHHCCCHHHHCCHHHHHHCCCCCEEEECCCCC
CKNTKSLTDKAQAHSVEGVVCPECEGEIVKRFSRRGAFYGCKNYPKCTFISKFEPIKEKC
CCCCHHHHHHHHHHCCCCEECCCCCHHHHHHHHHCCCCCCCCCCCCEEEHHCCCHHHHHC
PQCGGISVEREYRKKQVRECLKCKHRIEI
CCCCCCCHHHHHHHHHHHHHHHHHHCCCC
>Mature Secondary Structure
MKDLIIVESPAKARTIKNFLGSKYEVIASKGHIRDLPKYTFGIDIKDKTFHPQYTISKDH
CCCEEEEECCHHHHHHHHHHCCCEEEEECCCCCCCCCCCEEEEECCCCCCCCCEEECHHH
MEIVEKIKVASKKAKVTYIATDEDREGEAIGFHITQALNLPYEKIPRIVFHEITKNAITH
HHHHHHHHHHHCCCEEEEEECCCCCCCCEEEEEHHHHHCCCHHHHHHHHHHHHHHHHHHH
SLQNPRQIDMAKVNAQQARRLLDRIVGFKLSELISSKIQRGLSAGRVQSSALKIIVDRER
HHCCCCHHHHHHCCHHHHHHHHHHHHCHHHHHHHHHHHHHCHHHCCHHHHHHEEEECCCH
EIRAFKPTIYFLINAVFNMKPKSKQKNQDNGQNNIEAELITYDKKLEKLSLQNFEAVEAM
HHHHHHHHHHHHHHHHHCCCCCCCCCCCCCCCCCCEEEEEHHHHHHHHHHHCCHHHHHHH
LEHIQKQQFFIKEIITKSKKISTPPPFMTSTLQQSASSLLGFSPSRTMSIAQRLYEGVET
HHHHHHHHHHHHHHHHHCCCCCCCCCHHHHHHHHHHHHHHCCCCHHHHHHHHHHHHHHHC
NFGSMGVITYMRTDSLNIAKEAQKAAREMIIKTYGKEYVPAKTKNYATKSKAAQEAHEAI
CCCCCEEEEEEECCCCHHHHHHHHHHHHHHHHHHCCCCCCCCCCCHHHHHHHHHHHHHHC
RPTNLDFTPEIAKSYLKPEEHKLYALIYYRFLASQSQDALFEIQNIIFTPHNQTHLIEFK
CCCCCCCCHHHHHHHCCCCHHHHHHHHHHHHHHCCCHHHHHHHHHHEECCCCCEEEEEEE
ASGRKLVYDGFYKIMGNDDKDKLLPECKEGEDVLLNNIESVQKSTEAPSRYSEASIIKSM
CCCCEEEEHHHHHHCCCCCHHHHCCCCCCCCHHHHHHHHHHHHHCCCCCHHHHHHHHHHH
ESLGIGRPSTYAPTIALLVAREYVNIEKKQLVPQESAFKVIEMLESYFDEIVDTHFTAGL
HHHCCCCCCCHHHHHHHHHHHHHHCCHHHHCCCHHHHHHHHHHHHHHHHHHHHHHHCCCH
EDKLDEIAQAKMNWESVLWEFYQPFMQKIESGKKVIVSQKVAIPTGEMCPKCGKELVQRK
HHHHHHHHHHHCCHHHHHHHHHHHHHHHHHCCCEEEEECEECCCCHHCCHHHHHHHHHHH
SKYGEFIACSGYPKCKYIKPTQQDSQSQSQEYGVCEKCGEPMIKKFGRNGEFIACSGYPK
HHCCCEEEECCCCCCCCCCCCCCCHHHHHHHCCCHHHHCCHHHHHHCCCCCEEEECCCCC
CKNTKSLTDKAQAHSVEGVVCPECEGEIVKRFSRRGAFYGCKNYPKCTFISKFEPIKEKC
CCCCHHHHHHHHHHCCCCEECCCCCHHHHHHHHHCCCCCCCCCCCCEEEHHCCCHHHHHC
PQCGGISVEREYRKKQVRECLKCKHRIEI
CCCCCCCHHHHHHHHHHHHHHHHHHCCCC

PDB accession: NA

Resolution: NA

Structure class: Unstructured

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: 9.0

TargetDB status: NA

Availability: NA

References: 9923682 [H]