Human RNA Polymerase III Class III Open Pre-initiation Complex 1 (OC1)
Resolution: 3.28 Å
EM Method: Single-particle
Fitted PDBs: 9fso
Q-score: 0.342
Shah SZ, Perry TN, Graziadei A, Cecatiello V, Kaliyappan T, Misiaszek AD, Muller CW, Ramsay EP, Vannini A
Nat Commun (2025) 16 pp. 141-141 [ Pubmed: 39747245 DOI: doi:10.1038/s41467-024-55553-8 ]
- Dna-directed rna polymerase iii subunit rpc3 (60 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc2 (14 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc1 (155 kDa, Protein from Homo sapiens)
- Isoform 2 of dna-directed rna polymerase iii subunit rpc5 (74 kDa, Protein from Homo sapiens)
- Snrna-activating protein complex subunit 3 (46 kDa, Protein from Homo)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc3 (17 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i and iii subunit rpac1 (39 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc10 (12 kDa, Protein from Homo sapiens)
- Tfiiib (Complex from Homo sapiens)
- Rna polymerase iii class iii open pre-initiation complex 1 (Complex)
- Dna-directed rna polymerase iii subunit rpc4 (44 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc7 (25 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc1 (24 kDa, Protein from Homo sapiens)
- Iron/sulfur cluster (351 Da, Ligand)
- Transcription factor iiib 50 kda subunit (46 kDa, Protein from Homo sapiens)
- Transcription factor tfiiib component b'' homolog (55 kDa, Protein from Homo sapiens)
- Tata-box-binding protein (22 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc5 (7 kDa, Protein from Homo sapiens)
- Dna (Complex from Homo sapiens)
- Snapc (Complex from Homo sapiens)
- Snrna-activating protein complex subunit 4 (165 kDa, Protein from Homo sapiens)
- U6_2_template (30 kDa, DNA from Homo sapiens)
- U6_2_non template (30 kDa, DNA from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc9 (16 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc2 (127 kDa, Protein from Homo sapiens)
- Human rna polymerase iii (Complex from Homo sapiens)
- Dna-directed rna polymerases i and iii subunit rpac2 (15 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc6 (35 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc4 (7 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Magnesium ion (24 Da, Ligand)
- Snrna-activating protein complex subunit 1 (43 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc8 (22 kDa, Protein from Homo sapiens)
RNA Polymerase III Class III Open Pre-initation Complex 2 (OC2)
Resolution: 3.39 Å
EM Method: Single-particle
Fitted PDBs: 9fsp
Q-score: 0.301
Shah SZ, Perry TN, Graziadei A, Cecatiello V, Kaliyappan T, Misiaszek AD, Muller CW, Ramsay EP, Vannini A
Nat Commun (2025) 16 pp. 141-141 [ DOI: doi:10.1038/s41467-024-55553-8 Pubmed: 39747245 ]
- Dna-directed rna polymerase iii subunit rpc9 (16 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc6 (35 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc5 (7 kDa, Protein from Homo sapiens)
- U6_2_non template (30 kDa, DNA from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc3 (60 kDa, Protein from Homo sapiens)
- Transcription factor iiib 50 kda subunit (46 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i and iii subunit rpac2 (15 kDa, Protein from Homo sapiens)
- Snrna-activating protein complex subunit 1 (43 kDa, Protein from Homo sapiens)
- Snrna-activating protein complex subunit 4 (165 kDa, Protein from Homo sapiens)
- Snrna-activating protein complex subunit 3 (46 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Dna-directed rna polymerase iii subunit rpc2 (127 kDa, Protein from Homo sapiens)
- Rna polymerase iii class iii open pre-initation complex 2 (Complex)
- Dna-directed rna polymerase iii subunit rpc7 (25 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc5 (80 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc3 (17 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc4 (44 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc1 (155 kDa, Protein from Homo sapiens)
- Snapc (Complex from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc8 (22 kDa, Protein from Homo sapiens)
- Tata-box-binding protein (22 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc2 (14 kDa, Protein from Homo sapiens)
- Tfiiib (Complex from Homo sapiens)
- U6_2_template (30 kDa, DNA from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc4 (7 kDa, Protein from Homo sapiens)
- Dna (Complex from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc1 (24 kDa, Protein from Homo sapiens)
- Iron/sulfur cluster (351 Da, Ligand)
- Magnesium ion (24 Da, Ligand)
- Transcription factor tfiiib component b'' homolog (55 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc10 (12 kDa, Protein from Homo sapiens)
- Human rna polymerase iii (Complex from Homo sapiens)
- Dna-directed rna polymerases i and iii subunit rpac1 (39 kDa, Protein from Homo sapiens)
RNA Polymerase III Class III Melting Pre-Initiation Complex (MC)
Resolution: 3.51 Å
EM Method: Single-particle
Fitted PDBs: 9fsq
Q-score: 0.294
Shah SZ, Perry TN, Graziadei A, Cecatiello V, Kaliyappan T, Misiaszek AD, Muller CW, Ramsay EP, Vannini A
Nat Commun (2025) 16 pp. 141-141 [ DOI: doi:10.1038/s41467-024-55553-8 Pubmed: 39747245 ]
- Dna-directed rna polymerase iii subunit rpc9 (16 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc6 (35 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc5 (7 kDa, Protein from Homo sapiens)
- U6_2_non template (30 kDa, DNA from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc3 (60 kDa, Protein from Homo sapiens)
- Transcription factor iiib 50 kda subunit (46 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i and iii subunit rpac2 (15 kDa, Protein from Homo sapiens)
- Snrna-activating protein complex subunit 1 (43 kDa, Protein from Homo sapiens)
- Snrna-activating protein complex subunit 4 (165 kDa, Protein from Homo sapiens)
- Snrna-activating protein complex subunit 3 (46 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Dna-directed rna polymerase iii subunit rpc2 (127 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc7 (25 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc5 (80 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc3 (17 kDa, Protein from Homo sapiens)
- Rna polymerase iii class iii melting pre-initiation complex (Complex)
- Dna-directed rna polymerase iii subunit rpc4 (44 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc1 (155 kDa, Protein from Homo sapiens)
- Snapc (Complex from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc8 (22 kDa, Protein from Homo sapiens)
- Tata-box-binding protein (22 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc2 (14 kDa, Protein from Homo sapiens)
- Tfiiib (Complex from Homo sapiens)
- U6_2_template (30 kDa, DNA from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc4 (7 kDa, Protein from Homo sapiens)
- Dna (Complex from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc1 (24 kDa, Protein from Homo sapiens)
- Iron/sulfur cluster (351 Da, Ligand)
- Magnesium ion (24 Da, Ligand)
- Transcription factor tfiiib component b'' homolog (55 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc10 (12 kDa, Protein from Homo sapiens)
- Human rna polymerase iii (Complex from Homo sapiens)
- Dna-directed rna polymerases i and iii subunit rpac1 (39 kDa, Protein from Homo sapiens)
RNA Polymerase III Class III Open Mini Pre-initiation Complex 1 (OC1-mini)
Resolution: 3.76 Å
EM Method: Single-particle
Fitted PDBs: 9fsr
Q-score: 0.33
Shah SZ, Perry TN, Graziadei A, Cecatiello V, Kaliyappan T, Misiaszek AD, Muller CW, Ramsay EP, Vannini A
Nat Commun (2025) 16 pp. 141-141 [ Pubmed: 39747245 DOI: doi:10.1038/s41467-024-55553-8 ]
- Dna-directed rna polymerase iii subunit rpc3 (60 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc2 (14 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc1 (155 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc3 (17 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc5 (80 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i and iii subunit rpac1 (39 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc10 (12 kDa, Protein from Homo sapiens)
- Tfiiib (Complex from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc4 (44 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc7 (25 kDa, Protein from Homo sapiens)
- Snrna-activating protein complex subunit 3 (46 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc1 (24 kDa, Protein from Homo sapiens)
- Iron/sulfur cluster (351 Da, Ligand)
- Transcription factor iiib 50 kda subunit (46 kDa, Protein from Homo sapiens)
- Transcription factor tfiiib component b'' homolog (55 kDa, Protein from Homo sapiens)
- Tata-box-binding protein (22 kDa, Protein from Homo sapiens)
- Rna polymerase iii (Complex from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc5 (7 kDa, Protein from Homo sapiens)
- Dna (Complex from Homo sapiens)
- Snapc (Complex from Homo sapiens)
- Snrna-activating protein complex subunit 4 (165 kDa, Protein from Homo sapiens)
- U6_2_template (30 kDa, DNA from Homo sapiens)
- U6_2_non template (30 kDa, DNA from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc9 (16 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc2 (127 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i and iii subunit rpac2 (15 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc6 (35 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc4 (7 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Rna polymerase iii class iii open mini pre-initiation complex 1 (Complex)
- Magnesium ion (24 Da, Ligand)
- Snrna-activating protein complex subunit 1 (43 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc8 (22 kDa, Protein from Homo sapiens)
RNA Polymerase III Class III Open Mini Pre-Initiation complex 2 (OC2-mini)
Resolution: 4.14 Å
EM Method: Single-particle
Fitted PDBs: 9fss
Q-score: 0.264
Shah SZ, Perry TN, Graziadei A, Cecatiello V, Kaliyappan T, Misiaszek AD, Muller CW, Ramsay EP, Vannini A
Nat Commun (2025) 16 pp. 141-141 [ DOI: doi:10.1038/s41467-024-55553-8 Pubmed: 39747245 ]
- Rna polymerase iii class iii open mini pre-initiation complex 2 (Complex)
- Rna polymerase iii (Complex from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc9 (16 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc6 (35 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc5 (7 kDa, Protein from Homo sapiens)
- U6_2_non template (30 kDa, DNA from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc3 (60 kDa, Protein from Homo sapiens)
- Transcription factor iiib 50 kda subunit (46 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i and iii subunit rpac2 (15 kDa, Protein from Homo sapiens)
- Snrna-activating protein complex subunit 1 (43 kDa, Protein from Homo sapiens)
- Snrna-activating protein complex subunit 4 (165 kDa, Protein from Homo sapiens)
- Snrna-activating protein complex subunit 3 (46 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Dna-directed rna polymerase iii subunit rpc2 (127 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc7 (25 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc5 (80 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc3 (17 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc4 (44 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc1 (155 kDa, Protein from Homo sapiens)
- Snapc (Complex from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc8 (22 kDa, Protein from Homo sapiens)
- Tata-box-binding protein (22 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc2 (14 kDa, Protein from Homo sapiens)
- Tfiiib (Complex from Homo sapiens)
- U6_2_template (30 kDa, DNA from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc4 (7 kDa, Protein from Homo sapiens)
- Dna (Complex from Homo sapiens)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc1 (24 kDa, Protein from Homo sapiens)
- Iron/sulfur cluster (351 Da, Ligand)
- Magnesium ion (24 Da, Ligand)
- Transcription factor tfiiib component b'' homolog (55 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase iii subunit rpc10 (12 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerases i and iii subunit rpac1 (39 kDa, Protein from Homo sapiens)