Structure of PDB 3l4k Chain A Binding Site BS03

Receptor Information
>3l4k Chain A (length=721) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SRITNYPKLEDANKAGTKEGYKCTLVLTEGDSALSLAVAGLAVVGRDYYG
CYPLRGKMLNVREASADQILKNAEIQAIKKIMGLQHRKKYEDTKSLRYGH
LMIMTDQDHDGSHIKGLIINFLESSFPGLLDIQGFLLEFITPIIKVSITK
PTKNTIAFYNMPDYEKWREEESHKFTWKQKYYKGLGTSLAQEVREYFSNL
DRHLKIFHSLQGNDKDYIDLAFSKKKADDRKEWLRQYEPGTVLDPTLKEI
PISDFINKELILFSLADNIRSIPNVLDGFKPGQRKVLYGCFKKNLKSELK
VAQLAPYVSECTAYHHGEQSLAQTIIGLAQNFVGSNNIYLLLPNGAFGTR
ATGGKDAAAARYIYTELNKLTRKIFHPADDPLYKYIQEDEKTVEPEWYLP
ILPMILVNGAEGIGTGWSTYIPPFNPLEIIKNIRHLMNDEELEQMHPWFR
GWTGTIEEIEPLRYRMYGRIEQIGDNVLEITELPARTWTSTIKEYLLLGL
SGNDKIKPWIKDMEEQHDDNIKFIITLSPEEMAKTRKIGFYERFKLISPI
SLMNMVAFDPHGKIKKYNSVNEILSEFYYVRLEYYQKRKDHMSERLQWEV
EKYSFQVKFIKMIIEKELTVTNKPRNAIIQELENLGFPRFNKEGKPYYGS
EELYGTYEYLLGMRIWSLTKERYQKLLKQKQEKETELENLLKLSAKDIWN
TDLKAFEVGYQEFLQRDAEAR
Ligand information
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB3l4k A novel and unified two-metal mechanism for DNA cleavage by type II and IA topoisomerases.
Resolution2.98 Å
Binding residue
(original residue number in PDB)
R690 K700 Y734 H736 S740 K775 E831 I833 W908
Binding residue
(residue number reindexed from 1)
R270 K280 Y314 H316 S320 K355 E411 I413 W488
Enzymatic activity
Enzyme Commision number 5.6.2.2: DNA topoisomerase (ATP-hydrolyzing).
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0003918 DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity
GO:0005524 ATP binding
Biological Process
GO:0006259 DNA metabolic process
GO:0006265 DNA topological change

View graph for
Molecular Function

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Biological Process
External links
PDB RCSB:3l4k, PDBe:3l4k, PDBj:3l4k
PDBsum3l4k
PubMed20485342
UniProtP06786|TOP2_YEAST DNA topoisomerase 2 (Gene Name=TOP2)

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