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A0PV84 (A0PV84_MYCUA) Unreviewed, UniProtKB/TrEMBL

Last modified December 14, 2011. Version 47. Feed History...

Clusters with 100%, 90%, 50% identity | Third-party data text xml rdf/xml gff fasta
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Names and origin

Protein namesRecommended name:
DNA topoisomerase RuleBase RU000518

EC=5.99.1.2 RuleBase RU000518
Gene names
Name:topA EMBL ABL06253.1
Ordered Locus Names:MUL_4222
OrganismMycobacterium ulcerans (strain Agy99) [Complete proteome] [HAMAP]
Taxonomic identifier362242 [NCBI]
Taxonomic lineageBacteriaActinobacteriaActinobacteridaeActinomycetalesCorynebacterineaeMycobacteriaceaeMycobacterium

Protein attributes

Sequence length934 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Function

Releases the supercoiling and torsional tension of DNA introduced during the DNA replication and transcription by transiently cleaving and rejoining one strand of the DNA duplex. Introduces a single-strand break via transesterification at a target site in duplex DNA. The scissile phosphodiester is attacked by the catalytic tyrosine of the enzyme, resulting in the formation of a DNA-(5'-phosphotyrosyl)-enzyme intermediate and the expulsion of a 3'-OH DNA strand. The free DNA strand than undergoes passage around the unbroken strand thus removing DNA supercoils. Finally, in the religation step, the DNA 3'-OH attacks the covalent intermediate to expel the active-site tyrosine and restore the DNA phosphodiester backbone By similarity. SAAS SAAS000380

Catalytic activity

ATP-independent breakage of single-stranded DNA, followed by passage and rejoining. RuleBase RU000518 SAAS SAAS005733

Sequence similarities

Belongs to the prokaryotic type I/III topoisomerase family. RuleBase RU004206

Contains 1 Toprim domain. SAAS SAAS023406

Sequences

Sequence LengthMass (Da)Tools
A0PV84 [UniParc].

Last modified January 9, 2007. Version 1.
Checksum: 83D38D80E9CBB56C

FASTA934102,252
        10         20         30         40         50         60 
MADPKTKGPG SRSSGGNGSG RRLVIVESPT KARKLAGYLG PRYIVESSRG HIRDLPRAAA 

        70         80         90        100        110        120 
DVPAKFKSEP WARLGVNVDA DFEPLYIISP EKKSAVSELK DLLKDVDELY LATDGDREGE 

       130        140        150        160        170        180 
AIAWHLLETL KPRVPVKRMV FHEITEPAIL EAAENPRDLD MDLVDAQETR RILDRLYGYE 

       190        200        210        220        230        240 
VSPVLWKKVA PKLSAGRVQS VATRMIVQRE RDRMAFRRAS YWDIVATLDA SVSDPKAAPP 

       250        260        270        280        290        300 
TFVARLTSVD GLRVATGRDF DSLGTLRKAD EVTVLDEARA AALATGLHGA QLSVASVEEK 

       310        320        330        340        350        360 
PYSRRPYPPF MTSTLQQEAG RKLRFSGERT MSIAQRLYEN GYITYMRTDS TTLSESAINA 

       370        380        390        400        410        420 
ARTQARQLYG EEYVASSPRQ YTRKVKNAQE AHEAIRPAGE TFATPDAVRR ELDGDEFRLY 

       430        440        450        460        470        480 
ELIWQRTVAS QMADARGTTL SLWIGGSAGE QQVVFSASGR TLTFPGFLKA YVETVDELVG 

       490        500        510        520        530        540 
GEADDAERRL PNLTPGQRLD AVELTPDGHT TNPLARYTEA SLVKAFEELG IGRPSTYTPI 

       550        560        570        580        590        600 
IKTIQDRGYV HKKGSALVPS WVAFAVTGLL EQHFGHLVDY GFTAAMEDEL DAIASGQERR 

       610        620        630        640        650        660 
TDWLNNFYFG GDHGVSDSVA RAGGLKKLVG VNLEGIDARE VNSIKLFDDE QGRPIYVRVG 

       670        680        690        700        710        720 
KNGPYLERTI TGEDGEPTPQ RANLNDSLTP DELTLVLAEE LFATPQEGRV LGIDAESGHE 

       730        740        750        760        770        780 
IVAKDGRYGP YVTEILPEPP APEAGTEAPA KKSKKATAPK PRSGSLLRSM DLQTITLEDA 

       790        800        810        820        830        840 
LKLLSLPRVV GTDPASGEEI TAQNGRYGPY LKRGTDSRSL ATEDQIFSIT LDEALKIYAE 

       850        860        870        880        890        900 
PKRSGRQSAS APPLRELGTD AASGKAMVIK DGRFGPYVTD GETNASLRKG DEVASITDER 

       910        920        930 
ASELLADRRA RGPVKRAAKK TTRKSPAKKA VKRA 

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References

[1]"Reductive evolution and niche adaptation inferred from the genome of Mycobacterium ulcerans, the causative agent of Buruli ulcer."
Stinear T.P., Seemann T., Pidot S., Frigui W., Reysset G., Garnier T., Meurice G., Simon D., Bouchier C., Ma L., Tichit M., Porter J.L., Ryan J., Johnson P.D.R., Davies J.K., Jenkin G.A., Small P.L.C., Jones L.M. expand/collapse author list , Tekaia F., Laval F., Daffe M., Parkhill J., Cole S.T.
Genome Res. 17:192-200(2007) [PubMed: 17210928] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
CP000325 Genomic DNA. Translation: ABL06253.1.
RefSeqYP_907724.1. NC_008611.1.

3D structure databases

ProteinModelPortalA0PV84.
ModBaseSearch...

Protein-protein interaction databases

STRINGA0PV84.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaEBMYCT00000073637; EBMYCP00000071642; EBMYCG00000073632.
GeneID4551233.
GenomeReviewsGene locus MUL_4222 in contig CP000325_GR.
KEGGmul:MUL_4222.
PATRIC18176172. VBIMycUlc37413_4895.

Organism-specific databases

GenoListMUL_4222.
CMRSearch...

Phylogenomic databases

eggNOGCOG0550.
GeneTreeEBGT00050000016895.
HOGENOMHBG512935.
OMASTEPVIG.
ProtClustDBPRK07561.

Family and domain databases

InterProIPR000380. Topo_IA.
IPR003601. Topo_IA_2.
IPR023406. Topo_IA_AS.
IPR013497. Topo_IA_cen.
IPR013824. Topo_IA_cen_sub1.
IPR013825. Topo_IA_cen_sub2.
IPR023405. Topo_IA_core_domain.
IPR003602. Topo_IA_DNA-bd.
IPR005733. TopoI_bac-type.
IPR006171. Toprim_domain.
[Graphical view]
Gene3DG3DSA:1.10.460.10. Topo_IA_cen_sub1. 2 hits.
G3DSA:2.70.20.10. Topo_IA_cen_sub2. 2 hits.
KOK03168.
PANTHERPTHR11390. Topo_IA. 1 hit.
PfamPF01131. Topoisom_bac. 1 hit.
PF01751. Toprim. 1 hit.
[Graphical view]
PRINTSPR00417. PRTPISMRASEI.
SMARTSM00437. TOP1Ac. 1 hit.
SM00436. TOP1Bc. 1 hit.
SM00493. TOPRIM. 1 hit.
[Graphical view]
SUPFAMSSF56712. Topo_IA_core. 1 hit.
TIGRFAMsTIGR01051. TopA_bact. 1 hit.
PROSITEPS00396. TOPOISOMERASE_I_PROK. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameA0PV84_MYCUA
AccessionPrimary (citable) accession number: A0PV84
Entry history
Integrated into UniProtKB/TrEMBL: January 9, 2007
Last sequence update: January 9, 2007
Last modified: December 14, 2011
This is version 47 of the entry and version 1 of the sequence. [Complete history]
Entry statusUnreviewed (UniProtKB/TrEMBL)