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1OJL

Crystal structure of a sigma54-activator suggests the mechanism for the conformational switch necessary for sigma54 binding

Functional Information from GO Data
ChainGOidnamespacecontents
A0005524molecular_functionATP binding
A0006355biological_processregulation of DNA-templated transcription
A0008134molecular_functiontranscription factor binding
A0043565molecular_functionsequence-specific DNA binding
B0005524molecular_functionATP binding
B0006355biological_processregulation of DNA-templated transcription
B0008134molecular_functiontranscription factor binding
B0043565molecular_functionsequence-specific DNA binding
C0005524molecular_functionATP binding
C0006355biological_processregulation of DNA-templated transcription
C0008134molecular_functiontranscription factor binding
C0043565molecular_functionsequence-specific DNA binding
D0005524molecular_functionATP binding
D0006355biological_processregulation of DNA-templated transcription
D0008134molecular_functiontranscription factor binding
D0043565molecular_functionsequence-specific DNA binding
E0005524molecular_functionATP binding
E0006355biological_processregulation of DNA-templated transcription
E0008134molecular_functiontranscription factor binding
E0043565molecular_functionsequence-specific DNA binding
F0005524molecular_functionATP binding
F0006355biological_processregulation of DNA-templated transcription
F0008134molecular_functiontranscription factor binding
F0043565molecular_functionsequence-specific DNA binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PO4 A1442
ChainResidue
ASER171
AGLY172
ATHR173
ALYS175
AARG359

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PO4 B1390
ChainResidue
BARG359
BSER171
BGLY172
BTHR173
BLYS175

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PO4 C1391
ChainResidue
CASP170
CSER171
CGLY172
CTHR173
CLYS175
CARG359

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PO4 D1442
ChainResidue
DSER171
DGLY172
DTHR173
DLYS175
DARG359

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE PO4 F1390
ChainResidue
FSER171
FGLY172
FTHR173
FLYS175
FGLU176
FASP240
FARG359

site_idAC6
Number of Residues15
DetailsBINDING SITE FOR RESIDUE ATP E1442
ChainResidue
EILE142
ESER171
EGLY172
ETHR173
EGLY174
ELYS175
EGLU176
EASP240
EARG315
ELEU322
EPHE326
EARG329
EILE358
EARG359
EGLU362

Functional Information from PROSITE/UniProt
site_idPS00675
Number of Residues14
DetailsSIGMA54_INTERACT_1 Sigma-54 interaction domain ATP-binding region A signature. VLIhGDSGTGKelV
ChainResidueDetails
AVAL165-VAL178

site_idPS00676
Number of Residues16
DetailsSIGMA54_INTERACT_2 Sigma-54 interaction domain ATP-binding region B signature. GrFveADGGTLFLDEI
ChainResidueDetails
AGLY227-ILE242

site_idPS00688
Number of Residues10
DetailsSIGMA54_INTERACT_3 Sigma-54 interaction domain C-terminal part signature. WPGNIRELeN
ChainResidueDetails
ATRP354-ASN363

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues57
DetailsDNA binding: {"description":"H-T-H motif","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues24
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"16005641","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1OJL","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues687
DetailsDomain: {"description":"Sigma-54 factor interaction","evidences":[{"source":"PROSITE-ProRule","id":"PRU00193","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1g8p
ChainResidueDetails
AARG380

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1g8p
ChainResidueDetails
BARG380

site_idCSA3
Number of Residues1
DetailsAnnotated By Reference To The Literature 1g8p
ChainResidueDetails
CARG380

site_idCSA4
Number of Residues1
DetailsAnnotated By Reference To The Literature 1g8p
ChainResidueDetails
DARG380

site_idCSA5
Number of Residues1
DetailsAnnotated By Reference To The Literature 1g8p
ChainResidueDetails
EARG380

site_idCSA6
Number of Residues1
DetailsAnnotated By Reference To The Literature 1g8p
ChainResidueDetails
FARG380

247947

PDB entries from 2026-01-21

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