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5D5H

Crystal structure of Mycobacterium tuberculosis Topoisomerase I

Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
A0003916molecular_functionDNA topoisomerase activity
A0003917molecular_functionDNA topoisomerase type I (single strand cut, ATP-independent) activity
A0006265biological_processDNA topological change
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue SO4 A 801
ChainResidue
AARG54
AARG168
AARG172
AHOH911

site_idAC2
Number of Residues2
Detailsbinding site for residue SO4 A 802
ChainResidue
ASER94
AARG97

site_idAC3
Number of Residues6
Detailsbinding site for residue SO4 A 803
ChainResidue
AVAL195
AGLN196
AHOH931
AASP171
AGLY193
AARG194

site_idAC4
Number of Residues2
Detailsbinding site for residue SO4 A 804
ChainResidue
AILE85
AARG97

site_idAC5
Number of Residues3
Detailsbinding site for residue SO4 A 805
ChainResidue
AARG326
ASER329
AARG333

site_idAC6
Number of Residues2
Detailsbinding site for residue GOL A 806
ChainResidue
AHIS509
AALA510

site_idAC7
Number of Residues5
Detailsbinding site for residue GOL A 807
ChainResidue
APRO81
ATRP121
AASP162
AGLU165
AARG600

site_idAC8
Number of Residues7
Detailsbinding site for residue ACT A 808
ChainResidue
AGLY112
APHE138
AHIS139
ATYR342
AGLN386
AGLU387
AHIS389

Functional Information from PROSITE/UniProt
site_idPS00396
Number of Residues15
DetailsTOPO_IA_1 Topoisomerase (Topo) IA-type active site signature. QrLYEngy.........ITYmRTD
ChainResidueDetails
AGLN332-ASP346

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues124
DetailsDomain: {"description":"Toprim","evidences":[{"source":"HAMAP-Rule","id":"MF_00952","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues459
DetailsDomain: {"description":"Topo IA-type catalytic","evidences":[{"source":"PROSITE-ProRule","id":"PRU01383","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues5
DetailsRegion: {"description":"Interaction with DNA","evidences":[{"source":"HAMAP-Rule","id":"MF_00952","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsActive site: {"description":"O-(5'-phospho-DNA)-tyrosine intermediate","evidences":[{"source":"PROSITE-ProRule","id":"PRU01383","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00952","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues8
DetailsSite: {"description":"Interaction with DNA","evidences":[{"source":"HAMAP-Rule","id":"MF_00952","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

243083

PDB entries from 2025-10-15

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