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9FSP

RNA Polymerase III Class III Open Pre-initation Complex 2 (OC2)

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0000428cellular_componentDNA-directed RNA polymerase complex
A0002376biological_processimmune system process
A0003677molecular_functionDNA binding
A0003682molecular_functionchromatin binding
A0003899molecular_functionDNA-directed RNA polymerase activity
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005654cellular_componentnucleoplasm
A0005666cellular_componentRNA polymerase III complex
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006351biological_processDNA-templated transcription
A0008270molecular_functionzinc ion binding
A0010628biological_processpositive regulation of gene expression
A0016020cellular_componentmembrane
A0016740molecular_functiontransferase activity
A0016779molecular_functionnucleotidyltransferase activity
A0032728biological_processpositive regulation of interferon-beta production
A0034062molecular_function5'-3' RNA polymerase activity
A0042797biological_processtRNA transcription by RNA polymerase III
A0045087biological_processinnate immune response
A0046872molecular_functionmetal ion binding
A0051607biological_processdefense response to virus
A0071667molecular_functionDNA/RNA hybrid binding
B0000428cellular_componentDNA-directed RNA polymerase complex
B0002376biological_processimmune system process
B0003677molecular_functionDNA binding
B0003899molecular_functionDNA-directed RNA polymerase activity
B0005634cellular_componentnucleus
B0005654cellular_componentnucleoplasm
B0005666cellular_componentRNA polymerase III complex
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006351biological_processDNA-templated transcription
B0006383biological_processtranscription by RNA polymerase III
B0008270molecular_functionzinc ion binding
B0016740molecular_functiontransferase activity
B0016779molecular_functionnucleotidyltransferase activity
B0032549molecular_functionribonucleoside binding
B0032728biological_processpositive regulation of interferon-beta production
B0034062molecular_function5'-3' RNA polymerase activity
B0042796biological_processsnRNA transcription by RNA polymerase III
B0045087biological_processinnate immune response
B0045089biological_processpositive regulation of innate immune response
B0046872molecular_functionmetal ion binding
B0051607biological_processdefense response to virus
B0055029cellular_componentnuclear DNA-directed RNA polymerase complex
B0071667molecular_functionDNA/RNA hybrid binding
C0000428cellular_componentDNA-directed RNA polymerase complex
C0002376biological_processimmune system process
C0003677molecular_functionDNA binding
C0003697molecular_functionsingle-stranded DNA binding
C0003899molecular_functionDNA-directed RNA polymerase activity
C0005515molecular_functionprotein binding
C0005634cellular_componentnucleus
C0005654cellular_componentnucleoplasm
C0005666cellular_componentRNA polymerase III complex
C0005829cellular_componentcytosol
C0006351biological_processDNA-templated transcription
C0006359biological_processregulation of transcription by RNA polymerase III
C0032728biological_processpositive regulation of interferon-beta production
C0045087biological_processinnate immune response
C0045089biological_processpositive regulation of innate immune response
C0051607biological_processdefense response to virus
D0000428cellular_componentDNA-directed RNA polymerase complex
D0002376biological_processimmune system process
D0003677molecular_functionDNA binding
D0003682molecular_functionchromatin binding
D0005634cellular_componentnucleus
D0005654cellular_componentnucleoplasm
D0005666cellular_componentRNA polymerase III complex
D0005829cellular_componentcytosol
D0006383biological_processtranscription by RNA polymerase III
D0032728biological_processpositive regulation of interferon-beta production
D0042797biological_processtRNA transcription by RNA polymerase III
D0045087biological_processinnate immune response
D0045089biological_processpositive regulation of innate immune response
D0051607biological_processdefense response to virus
E0000428cellular_componentDNA-directed RNA polymerase complex
E0002376biological_processimmune system process
E0005634cellular_componentnucleus
E0005654cellular_componentnucleoplasm
E0005666cellular_componentRNA polymerase III complex
E0005829cellular_componentcytosol
E0006351biological_processDNA-templated transcription
E0045087biological_processinnate immune response
E0051607biological_processdefense response to virus
F0000428cellular_componentDNA-directed RNA polymerase complex
F0002376biological_processimmune system process
F0003677molecular_functionDNA binding
F0003690molecular_functiondouble-stranded DNA binding
F0003899molecular_functionDNA-directed RNA polymerase activity
F0005515molecular_functionprotein binding
F0005634cellular_componentnucleus
F0005654cellular_componentnucleoplasm
F0005666cellular_componentRNA polymerase III complex
F0005737cellular_componentcytoplasm
F0005829cellular_componentcytosol
F0006359biological_processregulation of transcription by RNA polymerase III
F0006383biological_processtranscription by RNA polymerase III
F0032728biological_processpositive regulation of interferon-beta production
F0045087biological_processinnate immune response
F0045089biological_processpositive regulation of innate immune response
F0051539molecular_function4 iron, 4 sulfur cluster binding
F0051607biological_processdefense response to virus
G0000428cellular_componentDNA-directed RNA polymerase complex
G0002376biological_processimmune system process
G0003682molecular_functionchromatin binding
G0003899molecular_functionDNA-directed RNA polymerase activity
G0005515molecular_functionprotein binding
G0005634cellular_componentnucleus
G0005654cellular_componentnucleoplasm
G0005666cellular_componentRNA polymerase III complex
G0005737cellular_componentcytoplasm
G0005829cellular_componentcytosol
G0006359biological_processregulation of transcription by RNA polymerase III
G0006383biological_processtranscription by RNA polymerase III
G0008283biological_processcell population proliferation
G0016604cellular_componentnuclear body
G0032728biological_processpositive regulation of interferon-beta production
G0045087biological_processinnate immune response
G0045089biological_processpositive regulation of innate immune response
G0051607biological_processdefense response to virus
H0000428cellular_componentDNA-directed RNA polymerase complex
H0002376biological_processimmune system process
H0003677molecular_functionDNA binding
H0003899molecular_functionDNA-directed RNA polymerase activity
H0005515molecular_functionprotein binding
H0005634cellular_componentnucleus
H0005654cellular_componentnucleoplasm
H0005666cellular_componentRNA polymerase III complex
H0005813cellular_componentcentrosome
H0005829cellular_componentcytosol
H0006139biological_processnucleobase-containing compound metabolic process
H0006351biological_processDNA-templated transcription
H0006352biological_processDNA-templated transcription initiation
H0006383biological_processtranscription by RNA polymerase III
H0006384biological_processtranscription initiation at RNA polymerase III promoter
H0045087biological_processinnate immune response
H0051607biological_processdefense response to virus
I0000166molecular_functionnucleotide binding
I0000428cellular_componentDNA-directed RNA polymerase complex
I0001635molecular_functioncalcitonin gene-related peptide receptor activity
I0001669cellular_componentacrosomal vesicle
I0002376biological_processimmune system process
I0003899molecular_functionDNA-directed RNA polymerase activity
I0005515molecular_functionprotein binding
I0005634cellular_componentnucleus
I0005654cellular_componentnucleoplasm
I0005666cellular_componentRNA polymerase III complex
I0005829cellular_componentcytosol
I0005886cellular_componentplasma membrane
I0006352biological_processDNA-templated transcription initiation
I0006383biological_processtranscription by RNA polymerase III
I0006384biological_processtranscription initiation at RNA polymerase III promoter
I0007218biological_processneuropeptide signaling pathway
I0009360cellular_componentDNA polymerase III complex
I0016020cellular_componentmembrane
I0030880cellular_componentRNA polymerase complex
I0045087biological_processinnate immune response
I0051607biological_processdefense response to virus
J0000428cellular_componentDNA-directed RNA polymerase complex
J0002376biological_processimmune system process
J0003676molecular_functionnucleic acid binding
J0003899molecular_functionDNA-directed RNA polymerase activity
J0005515molecular_functionprotein binding
J0005634cellular_componentnucleus
J0005654cellular_componentnucleoplasm
J0005666cellular_componentRNA polymerase III complex
J0005829cellular_componentcytosol
J0006351biological_processDNA-templated transcription
J0006383biological_processtranscription by RNA polymerase III
J0008270molecular_functionzinc ion binding
J0045087biological_processinnate immune response
J0046872molecular_functionmetal ion binding
J0051607biological_processdefense response to virus
K0000428cellular_componentDNA-directed RNA polymerase complex
K0001650cellular_componentfibrillar center
K0003677molecular_functionDNA binding
K0003899molecular_functionDNA-directed RNA polymerase activity
K0005515molecular_functionprotein binding
K0005634cellular_componentnucleus
K0005654cellular_componentnucleoplasm
K0005666cellular_componentRNA polymerase III complex
K0005730cellular_componentnucleolus
K0005736cellular_componentRNA polymerase I complex
K0005737cellular_componentcytoplasm
K0005829cellular_componentcytosol
K0006351biological_processDNA-templated transcription
K0006360biological_processtranscription by RNA polymerase I
K0046983molecular_functionprotein dimerization activity
L0000428cellular_componentDNA-directed RNA polymerase complex
L0003677molecular_functionDNA binding
L0003899molecular_functionDNA-directed RNA polymerase activity
L0005515molecular_functionprotein binding
L0005634cellular_componentnucleus
L0005666cellular_componentRNA polymerase III complex
L0005730cellular_componentnucleolus
L0005736cellular_componentRNA polymerase I complex
L0006351biological_processDNA-templated transcription
L0006362biological_processtranscription elongation by RNA polymerase I
L0006383biological_processtranscription by RNA polymerase III
L0046983molecular_functionprotein dimerization activity
L0055029cellular_componentnuclear DNA-directed RNA polymerase complex
M0000428cellular_componentDNA-directed RNA polymerase complex
M0003677molecular_functionDNA binding
M0003899molecular_functionDNA-directed RNA polymerase activity
M0005515molecular_functionprotein binding
M0005634cellular_componentnucleus
M0005654cellular_componentnucleoplasm
M0005665cellular_componentRNA polymerase II, core complex
M0005666cellular_componentRNA polymerase III complex
M0005730cellular_componentnucleolus
M0005736cellular_componentRNA polymerase I complex
M0005829cellular_componentcytosol
M0006351biological_processDNA-templated transcription
M0006362biological_processtranscription elongation by RNA polymerase I
M0006366biological_processtranscription by RNA polymerase II
M0042797biological_processtRNA transcription by RNA polymerase III
M0050821biological_processprotein stabilization
M1990062cellular_componentRPAP3/R2TP/prefoldin-like complex
N0000428cellular_componentDNA-directed RNA polymerase complex
N0001650cellular_componentfibrillar center
N0003677molecular_functionDNA binding
N0003899molecular_functionDNA-directed RNA polymerase activity
N0005634cellular_componentnucleus
N0005654cellular_componentnucleoplasm
N0005665cellular_componentRNA polymerase II, core complex
N0005666cellular_componentRNA polymerase III complex
N0005730cellular_componentnucleolus
N0005736cellular_componentRNA polymerase I complex
N0005829cellular_componentcytosol
N0006351biological_processDNA-templated transcription
N0006360biological_processtranscription by RNA polymerase I
N0006366biological_processtranscription by RNA polymerase II
N0042797biological_processtRNA transcription by RNA polymerase III
O0000428cellular_componentDNA-directed RNA polymerase complex
O0003677molecular_functionDNA binding
O0003697molecular_functionsingle-stranded DNA binding
O0003899molecular_functionDNA-directed RNA polymerase activity
O0005634cellular_componentnucleus
O0005654cellular_componentnucleoplasm
O0005665cellular_componentRNA polymerase II, core complex
O0005666cellular_componentRNA polymerase III complex
O0005730cellular_componentnucleolus
O0005736cellular_componentRNA polymerase I complex
O0005829cellular_componentcytosol
O0006351biological_processDNA-templated transcription
O0006366biological_processtranscription by RNA polymerase II
O0032993cellular_componentprotein-DNA complex
P0000428cellular_componentDNA-directed RNA polymerase complex
P0003677molecular_functionDNA binding
P0003899molecular_functionDNA-directed RNA polymerase activity
P0005515molecular_functionprotein binding
P0005634cellular_componentnucleus
P0005654cellular_componentnucleoplasm
P0005665cellular_componentRNA polymerase II, core complex
P0005666cellular_componentRNA polymerase III complex
P0005730cellular_componentnucleolus
P0005736cellular_componentRNA polymerase I complex
P0005829cellular_componentcytosol
P0006351biological_processDNA-templated transcription
P0006356biological_processregulation of transcription by RNA polymerase I
P0006366biological_processtranscription by RNA polymerase II
P0006383biological_processtranscription by RNA polymerase III
P0008270molecular_functionzinc ion binding
P0046872molecular_functionmetal ion binding
Q0000428cellular_componentDNA-directed RNA polymerase complex
Q0003677molecular_functionDNA binding
Q0003899molecular_functionDNA-directed RNA polymerase activity
Q0005515molecular_functionprotein binding
Q0005634cellular_componentnucleus
Q0005654cellular_componentnucleoplasm
Q0005665cellular_componentRNA polymerase II, core complex
Q0005666cellular_componentRNA polymerase III complex
Q0005730cellular_componentnucleolus
Q0005736cellular_componentRNA polymerase I complex
Q0005829cellular_componentcytosol
Q0006351biological_processDNA-templated transcription
Q0006356biological_processregulation of transcription by RNA polymerase I
Q0006360biological_processtranscription by RNA polymerase I
Q0006366biological_processtranscription by RNA polymerase II
Q0008270molecular_functionzinc ion binding
Q0042797biological_processtRNA transcription by RNA polymerase III
Q0046872molecular_functionmetal ion binding
R0003677molecular_functionDNA binding
R0006352biological_processDNA-templated transcription initiation
S0000126cellular_componenttranscription factor TFIIIB complex
S0001006molecular_functionRNA polymerase III type 3 promoter sequence-specific DNA binding
S0005515molecular_functionprotein binding
S0005634cellular_componentnucleus
S0005654cellular_componentnucleoplasm
S0006352biological_processDNA-templated transcription initiation
S0006359biological_processregulation of transcription by RNA polymerase III
S0006366biological_processtranscription by RNA polymerase II
S0008270molecular_functionzinc ion binding
S0016251molecular_functionRNA polymerase II general transcription initiation factor activity
S0017025molecular_functionTBP-class protein binding
S0034599biological_processcellular response to oxidative stress
S0046872molecular_functionmetal ion binding
S0070897biological_processtranscription preinitiation complex assembly
S0097550cellular_componenttranscription preinitiation complex
U0000995molecular_functionRNA polymerase III general transcription initiation factor activity
U0003677molecular_functionDNA binding
U0005515molecular_functionprotein binding
U0005634cellular_componentnucleus
U0005654cellular_componentnucleoplasm
U0005730cellular_componentnucleolus
U0016251molecular_functionRNA polymerase II general transcription initiation factor activity
U0019185cellular_componentsnRNA-activating protein complex
U0042795biological_processsnRNA transcription by RNA polymerase II
U0042796biological_processsnRNA transcription by RNA polymerase III
U0043565molecular_functionsequence-specific DNA binding
W0000978molecular_functionRNA polymerase II cis-regulatory region sequence-specific DNA binding
W0000995molecular_functionRNA polymerase III general transcription initiation factor activity
W0001006molecular_functionRNA polymerase III type 3 promoter sequence-specific DNA binding
W0003677molecular_functionDNA binding
W0005515molecular_functionprotein binding
W0005634cellular_componentnucleus
W0005654cellular_componentnucleoplasm
W0016251molecular_functionRNA polymerase II general transcription initiation factor activity
W0019185cellular_componentsnRNA-activating protein complex
W0042795biological_processsnRNA transcription by RNA polymerase II
W0042796biological_processsnRNA transcription by RNA polymerase III
Z0000978molecular_functionRNA polymerase II cis-regulatory region sequence-specific DNA binding
Z0000995molecular_functionRNA polymerase III general transcription initiation factor activity
Z0001006molecular_functionRNA polymerase III type 3 promoter sequence-specific DNA binding
Z0001046molecular_functioncore promoter sequence-specific DNA binding
Z0003677molecular_functionDNA binding
Z0003681molecular_functionbent DNA binding
Z0005515molecular_functionprotein binding
Z0005634cellular_componentnucleus
Z0005654cellular_componentnucleoplasm
Z0005730cellular_componentnucleolus
Z0006366biological_processtranscription by RNA polymerase II
Z0006383biological_processtranscription by RNA polymerase III
Z0009301biological_processsnRNA transcription
Z0016604cellular_componentnuclear body
Z0019185cellular_componentsnRNA-activating protein complex
Z0042795biological_processsnRNA transcription by RNA polymerase II
Z0042796biological_processsnRNA transcription by RNA polymerase III
Functional Information from PROSITE/UniProt
site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. FRCVVFH
ChainResidueDetails
HPHE72-HIS78

site_idPS00351
Number of Residues50
DetailsTFIID Transcription factor TFIID repeat signature. YnPkrFaaVImRirePRttaLIFsSGKMvctGAKseeqsrlAarkyarvV
ChainResidueDetails
RTYR192-VAL241
RTYR283-LEU332

site_idPS00446
Number of Residues41
DetailsRNA_POL_D_30KD RNA polymerases D / 30 to 40 Kd subunits signature. NAFRRillaevptmAvekVlvynNtSivqDEiLAhRLGLIP
ChainResidueDetails
KASN74-PRO114

site_idPS00466
Number of Residues38
DetailsZF_TFIIS_1 Zinc finger TFIIS-type signature. CpkCehprayfmqLQTRSaDEPmttfykCcnaq.CghrW
ChainResidueDetails
JCYS69-TRP106

site_idPS00697
Number of Residues9
DetailsDNA_LIGASE_A1 ATP-dependent DNA ligase AMP-binding site. EEKTNGWRI
ChainResidueDetails
TGLU344-ILE352

site_idPS01030
Number of Residues25
DetailsRNA_POL_M_15KD RNA polymerases M / 15 Kd subunits signature. FCPGCGNGLiveegqrchrfs..CntC
ChainResidueDetails
JPHE4-CYS28

site_idPS01110
Number of Residues14
DetailsRNA_POL_H_23KD RNA polymerases H / 23 Kd subunits signature. HELVPEHvvMtkEE
ChainResidueDetails
MHIS142-GLU155

site_idPS01111
Number of Residues15
DetailsRNA_POL_K_14KD RNA polymerases K / 14 to 18 Kd subunits signature. TkYErARvLGtRAlQ
ChainResidueDetails
NTHR58-GLN72

site_idPS01112
Number of Residues10
DetailsRNA_POL_N_8KD RNA polymerases N / 8 Kd subunits signature. IIPVrCFTCG
ChainResidueDetails
QILE2-GLY11

site_idPS01154
Number of Residues32
DetailsRNA_POL_L_13KD RNA polymerases L / 13 to 16 Kd subunits signature. LheEdHTLgNsLrymImknpeVefcgYtttHP
ChainResidueDetails
LLEU44-PRO75

site_idPS01166
Number of Residues13
DetailsRNA_POL_BETA RNA polymerases beta chain signature. GdKFSSrHGQKGV
ChainResidueDetails
BGLY894-VAL906

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsMOD_RES: Phosphothreonine => ECO:0007744|PubMed:18669648, ECO:0007744|PubMed:23186163
ChainResidueDetails
GTHR133
WTRP424-LEU447
WTRP476-MET499
RASN257
RARG294

site_idSWS_FT_FI2
Number of Residues1
DetailsMOD_RES: Phosphoserine => ECO:0007744|PubMed:20068231, ECO:0007744|PubMed:21406692
ChainResidueDetails
GSER157
BARG213
BASP432
BLYS1019
BARG1046

site_idSWS_FT_FI3
Number of Residues2
DetailsBINDING: BINDING => ECO:0000269|PubMed:33558764, ECO:0000269|PubMed:33558766, ECO:0007744|PDB:7D58
ChainResidueDetails
FCYS296
FCYS307
DARG99
JCYS28

site_idSWS_FT_FI4
Number of Residues1
DetailsMOD_RES: N-acetylalanine => ECO:0007744|PubMed:22814378
ChainResidueDetails
FALA2
DLYS152
DLYS160
DLYS190
DLYS199
DLYS310

site_idSWS_FT_FI5
Number of Residues1
DetailsCROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2) => ECO:0007744|PubMed:28112733
ChainResidueDetails
FLYS5
DLYS396
ALYS1323

site_idSWS_FT_FI6
Number of Residues2
DetailsCROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2) => ECO:0007744|PubMed:25218447, ECO:0007744|PubMed:25772364, ECO:0007744|PubMed:28112733
ChainResidueDetails
ESER522
FLYS7

site_idSWS_FT_FI7
Number of Residues2
DetailsCROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2) => ECO:0007744|PubMed:28112733
ChainResidueDetails
ELYS171
ELYS432

site_idSWS_FT_FI8
Number of Residues2
DetailsCROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2) => ECO:0007744|PubMed:25218447, ECO:0007744|PubMed:25755297, ECO:0007744|PubMed:25772364, ECO:0007744|PubMed:28112733
ChainResidueDetails
DLYS206
ELYS659
AARG1305

site_idSWS_FT_FI9
Number of Residues1
DetailsCROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2); alternate => ECO:0007744|PubMed:25114211, ECO:0007744|PubMed:25218447, ECO:0007744|PubMed:28112733
ChainResidueDetails
ELYS498
DLYS302

site_idSWS_FT_FI10
Number of Residues1
DetailsCROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2) => ECO:0007744|PubMed:25772364, ECO:0007744|PubMed:28112733
ChainResidueDetails
DLYS285
AASP503

site_idSWS_FT_FI11
Number of Residues1
DetailsBINDING: BINDING => ECO:0000269|PubMed:33558764, ECO:0000269|PubMed:33674783, ECO:0000269|PubMed:34675218, ECO:0007744|PDB:7AE1, ECO:0007744|PDB:7DN3, ECO:0007744|PDB:7FJJ
ChainResidueDetails
BCYS1083

site_idSWS_FT_FI12
Number of Residues2
DetailsBINDING: BINDING => ECO:0000269|PubMed:33558764, ECO:0000269|PubMed:33558766, ECO:0000269|PubMed:33674783, ECO:0000269|PubMed:34675218, ECO:0007744|PDB:7AE1, ECO:0007744|PDB:7D58, ECO:0007744|PDB:7DN3, ECO:0007744|PDB:7FJJ
ChainResidueDetails
BCYS1092
BCYS1095

site_idSWS_FT_FI13
Number of Residues1
DetailsSITE: Critical in trapping poly(dT) in Pol III-mediated transcription termination => ECO:0000305|PubMed:34675218
ChainResidueDetails
BPHE429

site_idSWS_FT_FI14
Number of Residues1
DetailsMOD_RES: N6-acetyllysine => ECO:0007744|PubMed:19608861
ChainResidueDetails
ALYS445

237423

PDB entries from 2025-06-11

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