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4I3H

A three-gate structure of topoisomerase IV from Streptococcus pneumoniae

Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
A0003916molecular_functionDNA topoisomerase activity
A0003918molecular_functionDNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity
A0005524molecular_functionATP binding
A0005694cellular_componentchromosome
A0006259biological_processDNA metabolic process
A0006265biological_processDNA topological change
A0007059biological_processchromosome segregation
A0034335molecular_functionDNA negative supercoiling activity
A0046872molecular_functionmetal ion binding
B0003677molecular_functionDNA binding
B0003916molecular_functionDNA topoisomerase activity
B0003918molecular_functionDNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity
B0005524molecular_functionATP binding
B0005694cellular_componentchromosome
B0006259biological_processDNA metabolic process
B0006265biological_processDNA topological change
B0007059biological_processchromosome segregation
B0034335molecular_functionDNA negative supercoiling activity
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG A 1700
ChainResidue
APHE1316
ALYS1317
ATHR1319
AGLN1322

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG B 1700
ChainResidue
BPHE1316
BTHR1319
BGLN1322

Functional Information from PROSITE/UniProt
site_idPS00177
Number of Residues9
DetailsTOPOISOMERASE_II DNA topoisomerase II signature. LVEGDSAGG
ChainResidueDetails
ALEU431-GLY439

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues10
DetailsBINDING: BINDING => ECO:0000255|HAMAP-Rule:MF_00939
ChainResidueDetails
ATYR11
BLYS344
AASN51
AASP78
AGLY118
ALYS344
BTYR11
BASN51
BASP78
BGLY118

site_idSWS_FT_FI2
Number of Residues6
DetailsBINDING: BINDING => ECO:0000255|HAMAP-Rule:MF_00939, ECO:0000269|PubMed:20596531
ChainResidueDetails
AGLU433
AASP506
AASP508
BGLU433
BASP506
BASP508

site_idSWS_FT_FI3
Number of Residues8
DetailsSITE: Interaction with DNA => ECO:0000255|HAMAP-Rule:MF_00939
ChainResidueDetails
ALYS458
AASN461
AHIS513
AARG629
BLYS458
BASN461
BHIS513
BARG629

site_idSWS_FT_FI4
Number of Residues2
DetailsACT_SITE: O-(5'-phospho-DNA)-tyrosine intermediate => ECO:0000255|HAMAP-Rule:MF_00937, ECO:0000269|PubMed:20596531
ChainResidueDetails
ATYR1118
BTYR1118

site_idSWS_FT_FI5
Number of Residues10
DetailsSITE: Interaction with DNA
ChainResidueDetails
ALYS1038
BLYS1093
AHIS1074
AHIS1076
AARG1087
ALYS1093
BLYS1038
BHIS1074
BHIS1076
BARG1087

site_idSWS_FT_FI6
Number of Residues2
DetailsSITE: Transition state stabilizer
ChainResidueDetails
AARG1117
BARG1117

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PDB entries from 2024-11-06

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