Structure of PDB 2xct Chain B Binding Site BS01

Receptor Information

>2xct Chain B (length=669) Species: 158879 (Staphylococcus aureus subsp. aureus N315)

KLADCSSKSPEECEIFLVEGDSAGGSTKSGRDSRTQAILPLRGKILNVEK
ARLDRILNNNEIRQMITAFGTGIGGDFDLAKARYHKIVIMTDADVDGAHI
RTLLLTFFYRFMRPLIEAGYVYIAQPPTGYKGLGEMNADQLWETTMNPEH
RALLQVKLEDAIEADQTFEMLMGDVVENRRQFIEDNANERNITSEMRESF
LDYAMSVIVARALPDVRDGLKPVHRRILYGLNEQGMTPDKSYKKSARIVG
DVMGKYHPHGDSSIYEAMVRMAQDFSYRYPLVDGQGNFGSMDGDGAAAMR
FTEARMTKITLELLRDINKDTIDFIDNYDGNEREPSVLPARFPNLLANGA
SGIAVGMATNIPPHNLTELINGVLSLSKNPDISIAELMEDIEGPDFPTAG
LILGKSGIRRAYETGRGSIQMRSRAVIEERGGGRQRIVVTEIPFQVNKAR
MIEKIAELVRDKKIDGITDLRDETSLRTGVRVVIDVRKDANASVILNNLY
KQTPLQTSFGVNMIALVNGRPKLINLKEALVHYLEHQKTVVRRRTQYNLR
KAKDRAHILEGLRIALDHIDEIISTIRESDTDKVAMESLQQRFKLSEKQA
QAILDMRLRRLTGLERDKIEAEYNELLNYISELETILADEEVLLQLVRDE
LTEIRDRFGDDRRTEIQLG

Ligand information

>2xct Chain E (length=7)

gtgcggt

Receptor-Ligand Complex Structure

Structure summary

• PDB: 2xct Type Iia Topoisomerase Inhibition by a New Class of Antibacterial Agents.
• Resolution: 3.35 Å
• Binding residue (original residue number in PDB): E435 G459 K460 D512 R1033 V1045 H1046 H1079 H1081 R1092 S1173 I1175 Q1267 R1272
• Binding residue (residue number reindexed from 1): E19 G43 K44 D96 R211 V223 H224 H257 H259 R270 S351 I353 Q445 R450

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

External links

• PDB: RCSB:2xct, PDBe:2xct, PDBj:2xct
• PDBsum: 2xct
• PubMed: 20686482
• UniProt: P66937|GYRB_STAAN DNA gyrase subunit B (Gene Name=gyrB);
  Q99XG5|GYRA_STAAN DNA gyrase subunit A (Gene Name=gyrA)