topA:Gene Product(s)

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Quickview   Gene   Gene Product(s)   Expression   Evolution   On One Page    
Nomenclature Function Interactions Localization Sequence Domains Structure Resources Accessions Links References Suggestions

Nomenclature

See Help:Product_nomenclature for help entering or editing information in this section of EcoliWiki.

Standard name

TopA

Synonyms

DNA topoisomerase I, omega subunit[1], B1274[2][1], SupX[2][1], TopA[2][1], Topo I[2][1], DNA topoisomerase I (ω protein)[2][1] , asuA?, ECK1268, JW1266, supX, b1274

Product description

DNA topoisomerase I[2][3]

Topoisomerase I[4]

EC number (for enzymes)

<protect></protect>

Notes

Function

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<protect> Gene Ontology
See Help:Gene_ontology for help entering or editing GO terms and GO annotations in EcoliWiki.

Qualifier GO ID GO term name Reference Evidence Code with/from Aspect Notes Status
GO:0000166

nucleotide binding

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0547

F

Seeded from EcoCyc (v14.0)

complete

GO:0003676

nucleic acid binding

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR006154

F

Seeded from EcoCyc (v14.0)

complete

GO:0003677

DNA binding

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR000380

F

Seeded from EcoCyc (v14.0)

complete

GO:0003677

DNA binding

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR003601

F

Seeded from EcoCyc (v14.0)

complete

GO:0003677

DNA binding

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR003602

F

Seeded from EcoCyc (v14.0)

complete

GO:0003677

DNA binding

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR005733

F

Seeded from EcoCyc (v14.0)

complete

GO:0003677

DNA binding

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013263

F

Seeded from EcoCyc (v14.0)

complete

GO:0003677

DNA binding

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013497

F

Seeded from EcoCyc (v14.0)

complete

GO:0003677

DNA binding

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013498

F

Seeded from EcoCyc (v14.0)

complete

GO:0003677

DNA binding

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013824

F

Seeded from EcoCyc (v14.0)

complete

GO:0003677

DNA binding

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013826

F

Seeded from EcoCyc (v14.0)

complete

GO:0003677

DNA binding

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0238

F

Seeded from EcoCyc (v14.0)

complete

GO:0003916

DNA topoisomerase activity

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR003601

F

Seeded from EcoCyc (v14.0)

complete

GO:0003916

DNA topoisomerase activity

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR003602

F

Seeded from EcoCyc (v14.0)

complete

GO:0006265

DNA topological change

PMID:10713132[5]

IGI: Inferred from Genetic Interaction

EcoliWiki:parC|EcoliWiki:gyrA

P

complete

GO:0003916

DNA topoisomerase activity

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013497

F

Seeded from EcoCyc (v14.0)

complete

GO:0003916

DNA topoisomerase activity

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013498

F

Seeded from EcoCyc (v14.0)

complete

GO:0003916

DNA topoisomerase activity

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013824

F

Seeded from EcoCyc (v14.0)

complete

GO:0003916

DNA topoisomerase activity

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013826

F

Seeded from EcoCyc (v14.0)

complete

GO:0003916

DNA topoisomerase activity

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0799

F

Seeded from EcoCyc (v14.0)

complete

GO:0003917

DNA topoisomerase type I activity

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR000380

F

Seeded from EcoCyc (v14.0)

complete

GO:0003917

DNA topoisomerase type I activity

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR005733

F

Seeded from EcoCyc (v14.0)

complete

GO:0003917

DNA topoisomerase type I activity

GOA:spec
GO_REF:0000003

IEA: Inferred from Electronic Annotation

EC:5.99.1.2

F

Seeded from EcoCyc (v14.0)

complete

GO:0003918

DNA topoisomerase (ATP-hydrolyzing) activity

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013263

F

Seeded from EcoCyc (v14.0)

complete

GO:0005524

ATP binding

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0067

F

Seeded from EcoCyc (v14.0)

complete

GO:0005694

chromosome

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR000380

C

Seeded from EcoCyc (v14.0)

complete

GO:0005694

chromosome

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR003601

C

Seeded from EcoCyc (v14.0)

complete

GO:0005694

chromosome

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR003602

C

Seeded from EcoCyc (v14.0)

complete

GO:0005694

chromosome

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR005733

C

Seeded from EcoCyc (v14.0)

complete

GO:0005694

chromosome

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013263

C

Seeded from EcoCyc (v14.0)

complete

GO:0005694

chromosome

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013497

C

Seeded from EcoCyc (v14.0)

complete

GO:0005694

chromosome

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013498

C

Seeded from EcoCyc (v14.0)

complete

GO:0005694

chromosome

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013824

C

Seeded from EcoCyc (v14.0)

complete

GO:0005694

chromosome

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013826

C

Seeded from EcoCyc (v14.0)

complete

GO:0006259

DNA metabolic process

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR006154

P

Seeded from EcoCyc (v14.0)

complete

GO:0006265

DNA topological change

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR000380

P

Seeded from EcoCyc (v14.0)

complete

GO:0006265

DNA topological change

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR003601

P

Seeded from EcoCyc (v14.0)

complete

GO:0006265

DNA topological change

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR003602

P

Seeded from EcoCyc (v14.0)

complete

GO:0006265

DNA topological change

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR005733

P

Seeded from EcoCyc (v14.0)

complete

GO:0006265

DNA topological change

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013263

P

Seeded from EcoCyc (v14.0)

complete

GO:0006265

DNA topological change

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013497

P

Seeded from EcoCyc (v14.0)

complete

GO:0006265

DNA topological change

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013498

P

Seeded from EcoCyc (v14.0)

complete

GO:0006265

DNA topological change

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013824

P

Seeded from EcoCyc (v14.0)

complete

GO:0006265

DNA topological change

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013826

P

Seeded from EcoCyc (v14.0)

complete

GO:0006265

DNA topological change

PMID:10713132[5]

IGI: Inferred from Genetic Interaction

P

Seeded from EcoCyc (v14.0)

Missing: with/from

GO:0006268

DNA unwinding involved in replication

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013824

P

Seeded from EcoCyc (v14.0)

complete

GO:0006268

DNA unwinding involved in replication

GOA:interpro
GO_REF:0000002

IEA: Inferred from Electronic Annotation

InterPro:IPR013826

P

Seeded from EcoCyc (v14.0)

complete

GO:0008270

zinc ion binding

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0862

F

Seeded from EcoCyc (v14.0)

complete

GO:0016853

isomerase activity

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0413

F

Seeded from EcoCyc (v14.0)

complete

GO:0046872

metal ion binding

GOA:spkw
SP_KW:GO_REF:0000004

IEA: Inferred from Electronic Annotation

SP_KW:KW-0479

F

Seeded from EcoCyc (v14.0)

complete

Interactions See Help:Product_interactions for help entering or editing information about gene product interactions in this section of EcoliWiki.

Partner Type Partner Notes References Evidence

Protein

ssb

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

aceF

PMID:15690043[6]

Experiment(s):EBI-888130, EBI-893705

Protein

alaS

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

macA

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

hns

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

lpdA

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

malP

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

pssA

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

recJ

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

rob

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

rplB

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

rplC

PMID:15690043[6]

Experiment(s):EBI-888130, EBI-893705

Protein

rplS

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

rplV

PMID:15690043[6]

Experiment(s):EBI-888130, EBI-893705

Protein

rpoA

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

rpoB

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

rpoC

PMID:15690043[6]

Experiment(s):EBI-888130, EBI-893705

Protein

rpsC

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

rpsE

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

rpsG

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

rpsM

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

rstA

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

srmB

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

rluB

PMID:15690043[6]

Experiment(s):EBI-888130

Protein

yciA

PMID:16606699[7]

Experiment(s):EBI-1139424

Protein

rplS

PMID:16606699[7]

Experiment(s):EBI-1139424

Protein

hfq

PMID:16606699[7]

Experiment(s):EBI-1139424

Protein

rpsM

PMID:16606699[7]

Experiment(s):EBI-1139424

Protein

rimJ

PMID:16606699[7]

Experiment(s):EBI-1139424

Protein

gabP

PMID:15690043[6]

Experiment(s):EBI-893705

Protein

hupA

PMID:15690043[6]

Experiment(s):EBI-893705

Protein

hupB

PMID:15690043[6]

Experiment(s):EBI-893705

Protein

kdgK

PMID:15690043[6]

Experiment(s):EBI-893705

Protein

rfaL

PMID:15690043[6]

Experiment(s):EBI-893705

Protein

rplM

PMID:15690043[6]

Experiment(s):EBI-893705

Protein

rpmB

PMID:15690043[6]

Experiment(s):EBI-893705

Protein

rpmG

PMID:15690043[6]

Experiment(s):EBI-893705

Protein

rpoZ

PMID:15690043[6]

Experiment(s):EBI-893705

Protein

rpsJ

PMID:15690043[6]

Experiment(s):EBI-893705

Protein

rpsT

PMID:15690043[6]

Experiment(s):EBI-893705

Protein

ybiT

PMID:15690043[6]

Experiment(s):EBI-893705

Protein

srmB

PMID:19402753[8]

MALDI(Z-score):23.372700

Protein

rpmG

PMID:19402753[8]

LCMS(ID Probability):99.6

Protein

rplM

PMID:19402753[8]

LCMS(ID Probability):99.6

Protein

rpsJ

PMID:19402753[8]

LCMS(ID Probability):99.6

Protein

malP

PMID:19402753[8]

MALDI(Z-score):25.368226

Protein

rpoB

PMID:19402753[8]

LCMS(ID Probability):98.2 MALDI(Z-score):13.655113

Protein

rpoC

PMID:19402753[8]

LCMS(ID Probability):99.4 MALDI(Z-score):8.512704

Protein

rpoZ

PMID:19402753[8]

LCMS(ID Probability):99.6

Protein

rluB

PMID:19402753[8]

MALDI(Z-score):34.761880

Protein

recJ

PMID:19402753[8]

MALDI(Z-score):18.199199

Protein

rplB

PMID:19402753[8]

MALDI(Z-score):36.003310

Protein

ssb

PMID:19402753[8]

MALDI(Z-score):34.039804

Protein

rpoA

PMID:19402753[8]

LCMS(ID Probability):97.9 MALDI(Z-score):35.722433

</protect>

Notes

Localization

See Help:Product_localization for how to add or edit information in this section of EcoliWiki.

Compartment Description Evidence Reference/Source Notes

<protect></protect>

Notes

Structure and Physical Properties

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<protect> Physical Properties See Help:Product_physical_properties for help entering or editing information about the physical properties of this gene product.

Name
Sequence

at EcoCyc

MGKALVIVES PAKAKTINKY LGSDYVVKSS VGHIRDLPTS GSAAKKSADS TSTKTAKKPK
KDERGALVNR MGVDPWHNWE AHYEVLPGKE KVVSELKQLA EKADHIYLAT DLDREGEAIA
WHLREVIGGD DARYSRVVFN EITKNAIRQA FNKPGELNID RVNAQQARRF MDRVVGYMVS
PLLWKKIARG LSAGRVQSVA VRLVVERERE IKAFVPEEFW EVDASTTTPS GEALALQVTH
QNDKPFRPVN KEQTQAAVSL LEKARYSVLE REDKPTTSKP GAPFITSTLQ QAASTRLGFG
VKKTMMMAQR LYEAGYITYM RTDSTNLSQD AVNMVRGYIS DNFGKKYLPE SPNQYASKEN
SQEAHEAIRP SDVNVMAESL KDMEADAQKL YQLIWRQFVA CQMTPAKYDS TTLTVGAGDF
RLKARGRILR FDGWTKVMPA LRKGDEDRIL PAVNKGDALT LVELTPAQHF TKPPARFSEA
SLVKELEKRG IGRPSTYASI ISTIQDRGYV RVENRRFYAE KMGEIVTDRL EENFRELMNY
DFTAQMENSL DQVANHEAEW KAVLDHFFSD FTQQLDKAEK DPEEGGMRPN QMVLTSIDCP
TCGRKMGIRT ASTGVFLGCS GYALPPKERC KTTINLVPEN EVLNVLEGED AETNALRAKR
RCPKCGTAMD SYLIDPKRKL HVCGNNPTCD GYEIEEGEFR IKGYDGPIVE CEKCGSEMHL
KMGRFGKYMA CTNEECKNTR KILRNGEVAP PKEDPVPLPE LPCEKSDAYF VLRDGAAGVF
LAANTFPKSR ETRAPLVEEL YRFRDRLPEK LRYLADAPQQ DPEGNKTMVR FSRKTKQQYV
SSEKDGKATG WSAFYVDGKW VEGKK
Length

865

Mol. Wt

97.35 kDa

pI

8.7 (calculated)

Extinction coefficient

98,210 - 99,960 (calc based on 29 Y, 10 W, and 14 C residues)


Domains/Motifs/Modification Sites

See Help:Product_domains_motifs for help entering or editing information in this section of EcoliWiki.

Type Residues Description Notes References

Domain

156..565

PF01131 DNA topoisomerase

PMID:19920124[9]

Domain

3..140

PF01751 Toprim domain

PMID:19920124[9]

Domain

596..639

PF01396 Topoisomerase DNA binding C4 zinc finger

PMID:19920124[9]

Domain

708..745

PF01396 Topoisomerase DNA binding C4 zinc finger

PMID:19920124[9]

Domain

757..797

PF08272 Topoisomerase I zinc-ribbon-like

PMID:19920124[9]

Domain

824..865

PF08272 Topoisomerase I zinc-ribbon-like

PMID:19920124[9]

<motif_map/>

Structure
See Help:Product_structure for help entering or editing information in this section of EcoliWiki.

Structures

<beststructure> gene=topA taxon=562,83333 </beststructure>

Models

View models at:

</protect>

Structure figures

<protect>

</protect>

Notes

Gene Product Resources

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See Help:Product_resources for help with entering or editing information in this section of EcoliWiki.

Resource type Source Notes/Reference

<protect></protect>

Notes

Accessions in Other Databases

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See Help:Gene_accessions for help with entering information into the Gene Accessions table.

Database Accession Notes

NCBI (Protein) (EcoliWiki Page)

GI:16129235

Escherichia coli str. K-12 substr. MG1655

NCBI (Protein) (EcoliWiki Page)

GeneID:945862

Escherichia coli str. K-12 substr. MG1655

ASAP

ASAP:ABE-0004275

Escherichia coli str. K-12 substr. MG1655

UniProt (EcoliWiki Page)

UniProtKB/Swiss-Prot:P06612

Escherichia coli str. K-12 substr. MG1655

EcoCyc

EcoCyc:EG11013

Escherichia coli str. K-12 substr. MG1655

EcoGene

EcoGene:EG11013

Escherichia coli str. K-12 substr. MG1655

NCBI (Gene) (EcoliWiki Page)

GeneID:945862

Escherichia coli str. K-12 substr. MG1655

RegulonDB

RegulonDB:ECK120001002

Escherichia coli str. K-12 substr. MG1655

EchoBASE

EchoBASE:EB1006

Escherichia coli str. K-12 substr. MG1655

<protect></protect>

Notes

Links

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References

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See Help:References for how to manage references in EcoliWiki.

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. 2.0 2.1 2.2 2.3 2.4 2.5 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  4. EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.
  5. 5.0 5.1 Zechiedrich, EL et al. (2000) Roles of topoisomerases in maintaining steady-state DNA supercoiling in Escherichia coli. J. Biol. Chem. 275 8103-13 PubMed
  6. 6.00 6.01 6.02 6.03 6.04 6.05 6.06 6.07 6.08 6.09 6.10 6.11 6.12 6.13 6.14 6.15 6.16 6.17 6.18 6.19 6.20 6.21 6.22 6.23 6.24 6.25 6.26 6.27 6.28 6.29 6.30 6.31 6.32 6.33 6.34 6.35 Butland, G et al. (2005) Interaction network containing conserved and essential protein complexes in Escherichia coli. Nature 433 531-7 PubMed
  7. 7.0 7.1 7.2 7.3 7.4 Arifuzzaman, M et al. (2006) Large-scale identification of protein-protein interaction of Escherichia coli K-12. Genome Res. 16 686-91 PubMed
  8. 8.00 8.01 8.02 8.03 8.04 8.05 8.06 8.07 8.08 8.09 8.10 8.11 8.12 Hu, P et al. (2009) Global functional atlas of Escherichia coli encompassing previously uncharacterized proteins. PLoS Biol. 7 e96 PubMed
  9. 9.0 9.1 9.2 9.3 9.4 9.5 Finn, RD et al. (2010) The Pfam protein families database. Nucleic Acids Res. 38 D211-22 PubMed

Categories

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