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View Structure Prediction Details

Protein: TOP1
Organism: Saccharomyces cerevisiae
Length: 769 amino acids
Reference: Malmström L, et al. (2007) Superfamily assignments for the yeast proteome through integration of structure prediction with the gene ontology. PLoS Biol 5(4): e76. doi:10.1371/journal.pbio.0050076



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Top Sequence Alignment Hits

Listed below are up to the top 10 sequence alignment matches, by species, for the PSI-BLAST search against the protein sequence for TOP1.

Description E-value Query
Range
Subject
Range
TOP1 - Topoisomerase I, nuclear enzyme that relieves torsional strain in DNA by cleaving and re-sealing the...
TOP1_YEAST - DNA topoisomerase 1 OS=Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GN=TOP1 PE=1 SV=2
gi|207341303 - gi|207341303|gb|EDZ69397.1| YOL006Cp-like protein [Saccharomyces cerevisiae AWRI1631]
gi|151945624 - gi|151945624|gb|EDN63865.1| topoisomerase I [Saccharomyces cerevisiae YJM789]
0.0 [1..769] [1..769]
top1 - DNA topoisomerase I
TOP1_SCHPO - DNA topoisomerase 1 OS=Schizosaccharomyces pombe (strain 972 / ATCC 24843) GN=top1 PE=1 SV=2
0.0 [5..767] [43..812]
gi|7507776 - gi|7507776|pir||T16867 probable cytochrome P450 T13C5.1 [similarity] - Caenorhabditis elegans
0.0 [5..767] [41..810]
gi|9758163, gi|1... - gi|9758163|dbj|BAB08548.1| DNA topoisomerase I [Arabidopsis thaliana], gi|15240493|ref|NP_200342.1| ...
0.0 [5..769] [220..911]
gi|2245428 - gi|2245428|gb|AAC39319.1| topoisomerase I [Emericella nidulans]
0.0 [1..769] [90..871]
gi|3170997 - gi|3170997|gb|AAC18301.1| DNA topoisomerase I [Pneumocystis carinii]
0.0 [43..769] [42..763]
TOP1_CANAX - DNA topoisomerase 1 OS=Candida albicans GN=TOP1 PE=3 SV=1
0.0 [14..769] [28..778]

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Predicted Domain #1
Region A:
Residues: [1-123]
      1          11         21         31         41         51         
      |          |          |          |          |          |          
    1 MTIADASKVN HELSSDDDDD VPLSQTLKKR KVASMNSASL QDEAEPYDSD EAISKISKKK  60
   61 TKKIKTEPVQ SSSLPSPPAK KSATSKPKKI KKEDGDVKVK TTKKEEQENE KKKREEEEEE 120
  121 DKK

[Run NCBI BLAST on this sequence.]

Detection Method: MSA

Shown below are all of our structure predictions for this domain.
Click here to view only most confident match.

    MCM
Score
GO
Score
GO
Term
SCOP
Match
SCOP Description
View Download 0.245 0.033 regulation of mitotic recombination d.110.4 SNARE-like
View Download 0.317 0.025 regulation of mitotic recombination a.24.11 Bacterial GAP domain
View Download 0.245 0.024 DNA topoisomerase type I activity d.110.4 SNARE-like
View Download 0.317 0.019 DNA topoisomerase type I activity a.24.11 Bacterial GAP domain
View Download 0.368 0.010 regulation of mitotic recombination a.7.6 Ribosomal protein S20
View Download 0.368 0.007 DNA topoisomerase type I activity a.7.6 Ribosomal protein S20
View Download 0.206 0.006 regulation of mitotic recombination a.94.1 Ribosomal protein L19 (L19e)
View Download 0.206 0.004 DNA topoisomerase type I activity a.94.1 Ribosomal protein L19 (L19e)
View Download 0.226 N/A N/A a.182.1 GatB/YqeY domain

Predicted Domain #2
Region A:
Residues: [124-158]
      1          11         21         31         41         51         
      |          |          |          |          |          |          
    1 AKEEEEEYKW WEKENEDDTI KWVTLKHNGV IFPPP

[Run NCBI BLAST on this sequence.]

Region B:
Residues: [253-290]
      1          11         21         31         41         51         
      |          |          |          |          |          |          
    1 SQEKKQIRLE REKFEEDYKF CELDGRREQV GNFKVEPP

[Run NCBI BLAST on this sequence.]

Region C:
Residues: [307-366]
      1          11         21         31         41         51         
      |          |          |          |          |          |          
    1 RRVNPEDIVL NLSKDAPVPP APEGHKWGEI RHDNTVQWLA MWRENIFNSF KYVRLAANSS  60
   61 

[Run NCBI BLAST on this sequence.]

Detection Method: PSI-BLAST
Confidence: 1352.0
Match: 1ois__
Description: Eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment
Matching Structure (courtesy of the PDB):

Predicted functions:

Term Confidence Notes
catalytic activity 0.078956976886834 bayes_pls_golite062009

Predicted Domain #3
Region A:
Residues: [159-252]
      1          11         21         31         41         51         
      |          |          |          |          |          |          
    1 YQPLPSHIKL YYDGKPVDLP PQAEEVAGFF AALLESDHAK NPVFQKNFFN DFLQVLKESG  60
   61 GPLNGIEIKE FSRCDFTKMF DYFQLQKEQK KQLT

[Run NCBI BLAST on this sequence.]

Region B:
Residues: [291-306]
      1          11         21         31         41         51         
      |          |          |          |          |          |          
    1 DLFRGRGAHP KTGKLK

[Run NCBI BLAST on this sequence.]

Detection Method: PSI-BLAST
Confidence: 1352.0
Match: 1ois__
Description: Eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment
Matching Structure (courtesy of the PDB):

Predicted Domain #4
Region A:
Residues: [367-480]
      1          11         21         31         41         51         
      |          |          |          |          |          |          
    1 LKGQSDYKKF EKARQLKSYI DAIRRDYTRN LKSKVMLERQ KAVAIYLIDV FALRAGGEKS  60
   61 EDEADTVGCC SLRYEHVTLK PPNTVIFDFL GKDSIRFYQE VEVDKQVFKN LTIF

[Run NCBI BLAST on this sequence.]

Detection Method: PSI-BLAST
Confidence: 57.9794
Match: 1a41__
Description: Eukaryotic DNA topoisomerase I, catalytic core
Matching Structure (courtesy of the PDB):

Predicted Domain #5
Region A:
Residues: [481-534]
      1          11         21         31         41         51         
      |          |          |          |          |          |          
    1 KRPPKQPGHQ LFDRLDPSIL NKYLQNYMPG LTAKVFRTYN ASKTMQDQLD LIPN

[Run NCBI BLAST on this sequence.]

Detection Method: PSI-BLAST
Confidence: 3.221849
Match: 2tmaA_
Description: Tropomyosin
Matching Structure (courtesy of the PDB):

Predicted Domain #6
Region A:
Residues: [535-615]
      1          11         21         31         41         51         
      |          |          |          |          |          |          
    1 KGSVAEKILK YNAANRTVAI LCNHQRTVTK GHAQTVEKAN NRIQELEWQK IRCKRAILQL  60
   61 DKDLLKKEPK YFEEIDDLTK E

[Run NCBI BLAST on this sequence.]

Detection Method: PSI-BLAST
Confidence: 3.221849
Match: 2tmaA_
Description: Tropomyosin
Matching Structure (courtesy of the PDB):

Predicted Domain #7
Region A:
Residues: [616-719]
      1          11         21         31         41         51         
      |          |          |          |          |          |          
    1 DEATIHKRII DREIEKYQRK FVRENDKRKF EKEELLPESQ LKEWLEKVDE KKQEFEKELK  60
   61 TGEVELKSSW NSVEKIKAQV EKLEQRIQTS SIQLKDKEEN SQVS

[Run NCBI BLAST on this sequence.]

Detection Method: PSI-BLAST
Confidence: 3.221849
Match: 2tmaA_
Description: Tropomyosin
Matching Structure (courtesy of the PDB):

Predicted Domain #8
Region A:
Residues: [720-769]
      1          11         21         31         41         51         
      |          |          |          |          |          |          
    1 LGTSKINYID PRLSVVFCKK YDVPIEKIFT KTLREKFKWA IESVDENWRF 

[Run NCBI BLAST on this sequence.]

Detection Method: ORFEUS
Confidence: 12.79
Match: 1a36A
Description: Eukaryotic DNA topoisomerase I, dispensable insert domain; Eukaryotic DNA topoisomerase I, catalytic core; Eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment
Matching Structure (courtesy of the PDB):

YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle