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8QU6

Mycobacterium smegnatis RNA polymerase transcription initiation complex with SigmaA, RbpA, HelD and an upstream-fork promoter fragment

Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
A0003899molecular_functionDNA-directed RNA polymerase activity
A0005737cellular_componentcytoplasm
A0006351biological_processDNA-templated transcription
A0034062molecular_function5'-3' RNA polymerase activity
A0046983molecular_functionprotein dimerization activity
B0003677molecular_functionDNA binding
B0003899molecular_functionDNA-directed RNA polymerase activity
B0005737cellular_componentcytoplasm
B0006351biological_processDNA-templated transcription
B0034062molecular_function5'-3' RNA polymerase activity
B0046983molecular_functionprotein dimerization activity
C0003677molecular_functionDNA binding
C0003899molecular_functionDNA-directed RNA polymerase activity
C0005515molecular_functionprotein binding
C0006351biological_processDNA-templated transcription
C0032549molecular_functionribonucleoside binding
C0034062molecular_function5'-3' RNA polymerase activity
D0000287molecular_functionmagnesium ion binding
D0003677molecular_functionDNA binding
D0003899molecular_functionDNA-directed RNA polymerase activity
D0006351biological_processDNA-templated transcription
D0008270molecular_functionzinc ion binding
D0034062molecular_function5'-3' RNA polymerase activity
E0003677molecular_functionDNA binding
E0003899molecular_functionDNA-directed RNA polymerase activity
E0006351biological_processDNA-templated transcription
E0034062molecular_function5'-3' RNA polymerase activity
F0003677molecular_functionDNA binding
F0003700molecular_functionDNA-binding transcription factor activity
F0005737cellular_componentcytoplasm
F0006352biological_processDNA-templated transcription initiation
F0006355biological_processregulation of DNA-templated transcription
F0010468biological_processregulation of gene expression
F0016987molecular_functionsigma factor activity
F2000142biological_processregulation of DNA-templated transcription initiation
H0000725biological_processrecombinational repair
H0003677molecular_functionDNA binding
H0003678molecular_functionDNA helicase activity
H0003711molecular_functiontranscription elongation factor activity
H0005524molecular_functionATP binding
H0005737cellular_componentcytoplasm
H0005829cellular_componentcytosol
H0043138molecular_function3'-5' DNA helicase activity
J0001000molecular_functionbacterial-type RNA polymerase core enzyme binding
J0045893biological_processpositive regulation of DNA-templated transcription
J0046677biological_processresponse to antibiotic
Functional Information from PROSITE/UniProt
site_idPS00715
Number of Residues14
DetailsSIGMA70_1 Sigma-70 factors family signature 1. DLIQeGnLGLIrAV
ChainResidueDetails
FASP257-VAL270

site_idPS00716
Number of Residues27
DetailsSIGMA70_2 Sigma-70 factors family signature 2. TldEIGqvygVTrerIrQIEsktMskL
ChainResidueDetails
FTHR426-LEU452

site_idPS00867
Number of Residues8
DetailsCPSASE_2 Carbamoyl-phosphate synthase subdomain signature 2. LLEANLRL
ChainResidueDetails
FLEU233-LEU240

site_idPS01166
Number of Residues13
DetailsRNA_POL_BETA RNA polymerases beta chain signature. GdKLAGrHGNKGV
ChainResidueDetails
CGLY873-VAL885

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues450
DetailsRegion: {"description":"Alpha N-terminal domain (alpha-NTD)","evidences":[{"source":"HAMAP-Rule","id":"MF_00059","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues11
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01322","evidenceCode":"ECO:0000255"},{"source":"PDB","id":"6YXU","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6YYS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6Z11","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues19
DetailsDNA binding: {"description":"H-T-H motif","evidences":[{"source":"HAMAP-Rule","id":"MF_00963","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues34
DetailsRegion: {"description":"Sigma-70 factor domain-1","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues70
DetailsRegion: {"description":"Sigma-70 factor domain-2","evidences":[{"source":"HAMAP-Rule","id":"MF_00963","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues53
DetailsRegion: {"description":"Sigma-70 factor domain-4","evidences":[{"source":"HAMAP-Rule","id":"MF_00963","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues3
DetailsMotif: {"description":"Interaction with polymerase core subunit RpoC","evidences":[{"source":"HAMAP-Rule","id":"MF_00963","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues414
DetailsDomain: {"description":"UvrD-like helicase ATP-binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU00560","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues56
DetailsCoiled coil: {"evidences":[{"source":"PubMed","id":"33339823","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6YXU","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6YYS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6Z11","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues7
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00560","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"33339823","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6YYS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6Z11","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

251174

PDB entries from 2026-03-25

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