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4WUB

N-terminal 43 kDa fragment of the E. coli DNA gyrase B subunit grown from 100 mM KCl condition

Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
A0003918molecular_functionDNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity
A0005524molecular_functionATP binding
A0006265biological_processDNA topological change
Functional Information from PDB Data
site_idAC1
Number of Residues32
Detailsbinding site for residue ANP A 401
ChainResidue
ATYR5
AGLY101
AGLY102
ALYS103
ATYR109
AGLY114
ALEU115
AHIS116
AGLY117
AVAL118
AGLY119
AILE10
AVAL120
ASER121
ATHR165
AGLN335
ALYS337
AMG402
AK403
AHOH557
AHOH561
AHOH586
AGLU42
AHOH587
AHOH640
AHOH665
AASN46
AGLU50
AASP73
AILE78
AILE94
AALA100

site_idAC2
Number of Residues4
Detailsbinding site for residue MG A 402
ChainResidue
AASN46
AANP401
AHOH557
AHOH561

site_idAC3
Number of Residues6
Detailsbinding site for residue K A 403
ChainResidue
AILE94
AVAL97
AALA100
AGLY117
ASER121
AANP401

site_idAC4
Number of Residues6
Detailsbinding site for residue NA A 404
ChainResidue
ALYS103
AASP105
AHOH625
AHOH654
AHOH672
AHOH694

site_idAC5
Number of Residues5
Detailsbinding site for residue CL A 405
ChainResidue
AASP6
ASER7
ATHR80
AGLY81
AARG136

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Proton acceptor (ATPase activity) => ECO:0000305|PubMed:10734094, ECO:0000305|PubMed:8248233
ChainResidueDetails
AGLU42

site_idSWS_FT_FI2
Number of Residues1
DetailsBINDING: BINDING => ECO:0000269|PubMed:25202966, ECO:0000269|PubMed:25849408, ECO:0000305|PubMed:10734094
ChainResidueDetails
ATYR5

site_idSWS_FT_FI3
Number of Residues5
DetailsBINDING: BINDING => ECO:0000269|PubMed:10734094, ECO:0000269|PubMed:25202966, ECO:0000269|PubMed:25849408
ChainResidueDetails
AASN46
AASP73
AGLY102
ATYR109
ALEU115

site_idSWS_FT_FI4
Number of Residues7
DetailsBINDING: BINDING => ECO:0000269|PubMed:25849408
ChainResidueDetails
AILE94
AVAL97
AALA100
ALYS103
AASP105
AGLY117
ASER121

site_idSWS_FT_FI5
Number of Residues1
DetailsBINDING: BINDING => ECO:0000269|PubMed:10734094, ECO:0000269|PubMed:25849408
ChainResidueDetails
AGLN335

site_idSWS_FT_FI6
Number of Residues1
DetailsSITE: Transition state stabilizer => ECO:0000305|PubMed:9657678
ChainResidueDetails
ALYS337

218853

PDB entries from 2024-04-24

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