Structure of mammalian Pol II-DSIF-SPT6-PAF1-TFIIS-hexasome elongation complex
Resolution: 3.3 Å
EM Method: Single-particle
Fitted PDBs: 8a3y
Q-score: 0.231
Farnung L, Ochmann M, Garg G, Vos SM, Cramer P
Mol Cell (2022) 82 pp. 3126-3134.e7 [ Pubmed: 35858621 DOI: doi:10.1016/j.molcel.2022.06.027 ]
- Dna-directed rna polymerase ii subunit rpb11-a (13 kDa, Protein from Sus scrofa)
- Histone h2b (10 kDa, Protein from Xenopus laevis)
- Dna-directed rna polymerase ii subunit rpb9 (14 kDa, Protein from Sus scrofa)
- Wd repeat-containing protein 61 (33 kDa, Protein from Homo sapiens)
- Transcription elongation factor spt5 (121 kDa, Protein from Homo sapiens)
- Rna, template dna (9 kDa, RNA from synthetic construct)
- Non-template dna (39 kDa, DNA from synthetic construct)
- Rna polymerase ii-associated factor 1 homolog (36 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase ii subunit rpb7 (19 kDa, Protein from Sus scrofa)
- Spt6 (117 kDa, Protein from Homo sapiens)
- Rna polymerase-associated protein rtf1 homolog (29 kDa, Protein from Homo sapiens)
- Transcription elongation factor spt4 (13 kDa, Protein from Homo sapiens)
- Histone h4 (11 kDa, Protein from Xenopus laevis)
- Dna-directed rna polymerase ii subunit e (24 kDa, Protein from Sus scrofa)
- Rna polymerase ii subunit d (16 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc3 (17 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc2 (14 kDa, Protein from Sus scrofa)
- Rna, template dna (42 kDa, DNA from synthetic construct)
- Magnesium ion (24 Da, Ligand)
- Histone h2a (11 kDa, Protein from Xenopus laevis)
- Zinc ion (65 Da, Ligand)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc5 (7 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase subunit beta (142 kDa, Protein from Sus scrofa)
- Mammalian pol ii-tfiis elongation complex (Complex from Sus scrofa)
- Rna polymerase ii subunit k (7 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase subunit (219 kDa, Protein from Sus scrofa)
- Parafibromin (60 kDa, Protein from Homo sapiens)
- Histone h3.2 (15 kDa, Protein from Xenopus laevis)
- Dna-directed rna polymerase ii subunit rpb3 (30 kDa, Protein from Sus scrofa)
- Rna polymerase-associated protein ctr9 homolog,rna polymerase-associated protein leo1 (210 kDa, Protein from Homo sapiens)
Resolution: 2.5 Å
EM Method: Single-particle
Fitted PDBs: 9bct
Q-score: 0.554
You L, Wang C, Molodtsov V, Kuznedelov K, Miao X, Wenck BR, Ulisse P, Sanders TJ, Marshall CJ, Firlar E, Kaelber JT, Santangelo TJ, Ebright RH
Nature (2024) 635 pp. 229-236 [ DOI: doi:10.1038/s41586-024-07979-9 Pubmed: 39322680 ]
- Dna-directed rna polymerase subunit l (11 kDa, Protein from Thermococcus kodakarensis)
- Template strand dna (11 kDa, DNA from synthetic construct)
- Dna-directed rna polymerase subunit p (5 kDa, Protein from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit f (14 kDa, Protein from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit a' (103 kDa, Protein from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit n (7 kDa, Protein from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit k (6 kDa, Protein from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit e (21 kDa, Protein from Thermococcus kodakarensis)
- Ftta-dependent transcription termination complex (556 kDa, Complex from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit h (9 kDa, Protein from Thermococcus kodakarensis)
- Transcription termination factor ftta (73 kDa, Protein from Thermococcus kodakarensis)
- Non-template strand dna (11 kDa, DNA from synthetic construct)
- Magnesium ion (24 Da, Ligand)
- Rna (13 kDa, RNA from synthetic construct)
- Dna-directed rna polymerase subunit a" (43 kDa, Protein from Thermococcus kodakarensis)
- Zinc ion (65 Da, Ligand)
- Transcription elongation factor spt4 (8 kDa, Protein from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit b (127 kDa, Protein from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit d (29 kDa, Protein from Thermococcus kodakarensis)
- Transcription elongation factor spt5 (16 kDa, Protein from Thermococcus kodakarensis)
Resolution: 2.2 Å
EM Method: Single-particle
Fitted PDBs: 9bcu
Q-score: 0.613
You L, Wang C, Molodtsov V, Kuznedelov K, Miao X, Wenck BR, Ulisse P, Sanders TJ, Marshall CJ, Firlar E, Kaelber JT, Santangelo TJ, Ebright RH
Nature (2024) 635 pp. 229-236 [ DOI: doi:10.1038/s41586-024-07979-9 Pubmed: 39322680 ]
- Dna-directed rna polymerase subunit l (11 kDa, Protein from Thermococcus kodakarensis)
- Template strand dna (11 kDa, DNA from synthetic construct)
- Dna-directed rna polymerase subunit p (5 kDa, Protein from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit f (14 kDa, Protein from Thermococcus kodakarensis)
- Ftta-dependent transcription termination complex containing 52 nt rna (556 kDa, Complex from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit a' (103 kDa, Protein from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit n (7 kDa, Protein from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit k (6 kDa, Protein from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit e (21 kDa, Protein from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit h (9 kDa, Protein from Thermococcus kodakarensis)
- Rna (29-mer) (16 kDa, RNA from synthetic construct)
- Transcription termination factor ftta (73 kDa, Protein from Thermococcus kodakarensis)
- Non-template strand dna (11 kDa, DNA from synthetic construct)
- Magnesium ion (24 Da, Ligand)
- Dna-directed rna polymerase subunit a" (43 kDa, Protein from Thermococcus kodakarensis)
- Zinc ion (65 Da, Ligand)
- Transcription elongation factor spt4 (8 kDa, Protein from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit b (127 kDa, Protein from Thermococcus kodakarensis)
- Dna-directed rna polymerase subunit d (29 kDa, Protein from Thermococcus kodakarensis)
- Transcription elongation factor spt5 (16 kDa, Protein from Thermococcus kodakarensis)
Structure of Integrator-PP2A bound to a paused RNA polymerase II-DSIF-NELF-nucleosome complex
Resolution: 4.1 Å
EM Method: Single-particle
Fitted PDBs: 8rbx
Q-score: 0.037
Fianu I, Ochmann M, Walshe JL, Dybkov O, Cruz JN, Urlaub H, Cramer P
Nature (2024) 629 pp. 219-227 [ Pubmed: 38570683 DOI: doi:10.1038/s41586-024-07269-4 ]
- Transcription elongation factor spt5 (121 kDa, Protein from Homo sapiens)
- Integrator-pp2a complex and nelf (Complex from Homo sapiens)
- Dna-directed rna polymerase ii subunit rpb11-a (13 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb9 (14 kDa, Protein from Sus scrofa)
- Integrator complex subunit 15 (50 kDa, Protein from Homo sapiens)
- Integrator complex subunit 1 (244 kDa, Protein from Homo sapiens)
- Integrator complex subunit 5 (108 kDa, Protein from Homo sapiens)
- Negative elongation factor a (57 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase subunit (217 kDa, Protein from Sus scrofa)
- Integrator complex subunit 7 (107 kDa, Protein from Homo sapiens)
- Manganese (ii) ion (54 Da, Ligand)
- Integrator complex subunit 2 (134 kDa, Protein from Homo sapiens)
- Histone h4 (11 kDa, Protein from Homo sapiens)
- Dsif (Complex from Trichoplusia ni)
- Integrator complex subunit 4 (108 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase ii subunit rpb7 (19 kDa, Protein from Sus scrofa)
- Rna (5 kDa, RNA from synthetic construct)
- Serine/threonine-protein phosphatase 2a 65 kda regulatory subunit a alpha isoform (65 kDa, Protein from Homo sapiens)
- Unk-unk-unk-unk-unk-unk-unk-unk-unk-unk-unk-unk-unk-unk-unk-unk-unk-unk-unk-unk-unk-unk (1 kDa, Protein from Homo sapiens)
- Integrator complex subunit 13 (80 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase ii subunit e (24 kDa, Protein from Sus scrofa)
- Integrator complex subunit 6 (100 kDa, Protein from Homo sapiens)
- Histone h2a type 1 (14 kDa, Protein from Homo sapiens)
- Non-template dna (45 kDa, DNA from synthetic construct)
- Integrator complex subunit 9 (73 kDa, Protein from Homo sapiens)
- Histone h2b type 1-j (13 kDa, Protein from Homo sapiens)
- Rna and dna (Complex from Sus scrofa)
- Template dna (56 kDa, DNA from synthetic construct)
- Rna polymerase ii subunit d (16 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc3 (17 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb3 (31 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc2 (14 kDa, Protein from Sus scrofa)
- Integrator complex subunit 11 (67 kDa, Protein from Homo sapiens)
- Magnesium ion (24 Da, Ligand)
- Negative elongation factor c/d (65 kDa, Protein from Homo sapiens)
- Histone h3.3c (15 kDa, Protein from Homo sapiens)
- Unk-unk-unk-unk-unk-unk-unk-unk (698 Da, Protein from Sus scrofa)
- Nucleosome (Complex from Homo sapiens)
- Integrator complex subunit 8 (113 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc5 (7 kDa, Protein from Sus scrofa)
- Integrator complex subunit 10 (82 kDa, Protein from Homo sapiens)
- Pre-termination complex (1 MDa, Complex)
- Integrator complex subunit 14 (57 kDa, Protein from Homo sapiens)
- Serine/threonine-protein phosphatase 2a catalytic subunit alpha isoform (35 kDa, Protein from Homo sapiens)
- Dss1 (3 kDa, Protein from Trichoplusia ni)
- Dna-directed rna polymerase subunit beta (134 kDa, Protein from Sus scrofa)
- Nelf-b,negative elongation factor b,negative elongation factor b,negative elongation factor b,negative elongation factor b,negative elongation factor b (68 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase ii (Complex from Homo sapiens)
- Rna polymerase ii subunit k (7 kDa, Protein from Sus scrofa)
Structure of the mammalian Pol II-SPT6 complex (composite map)
Resolution: 3.04 Å
EM Method: Single-particle
Fitted PDBs: 8oeu
Q-score: 0.526
Chen Y, Kokic G, Dienemann C, Dybkov O, Urlaub H, Cramer P
Nat Struct Mol Biol (2023) 30 pp. 1925-1935 [ DOI: doi:10.1038/s41594-023-01138-w Pubmed: 37932450 ]
- Dna-directed rna polymerase ii subunit f (14 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb11-a (13 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb9 (14 kDa, Protein from Sus scrofa)
- The pol ii-spt6 transcription elongation complex (Complex from Homo sapiens)
- Dna-directed rna polymerase ii subunit rpb1 (217 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb7 (19 kDa, Protein from Sus scrofa)
- Rna (14 kDa, RNA from synthetic construct)
- Dna-directed rna polymerase ii subunit e (24 kDa, Protein from Sus scrofa)
- Template dna (14 kDa, DNA from synthetic construct)
- Rna polymerase ii subunit d (20 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc3 (17 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb3 (31 kDa, Protein from Sus scrofa)
- Transcription elongation factor spt6 (199 kDa, Protein from Homo sapiens)
- Magnesium ion (24 Da, Ligand)
- Zinc ion (65 Da, Ligand)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc5 (7 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase subunit beta (142 kDa, Protein from Sus scrofa)
- Rna polymerase ii subunit k (7 kDa, Protein from Sus scrofa)
- Non-template dna (14 kDa, DNA from synthetic construct)
Structure of the mammalian Pol II-SPT6-Elongin complex, lacking ELOA latch (composite map 2)
Resolution: 2.86 Å
EM Method: Single-particle
Fitted PDBs: 8oev
Q-score: 0.468
Chen Y, Kokic G, Dienemann C, Dybkov O, Urlaub H, Cramer P
Nat Struct Mol Biol (2023) 30 pp. 1925-1935 [ DOI: doi:10.1038/s41594-023-01138-w Pubmed: 37932450 ]
- Dna-directed rna polymerase ii subunit f (14 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb11-a (13 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb9 (14 kDa, Protein from Sus scrofa)
- Elongin-c (12 kDa, Protein from Homo sapiens)
- Non-template dna (14 kDa, DNA from synthetic construct)
- Dna-directed rna polymerase ii subunit rpb1 (217 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb7 (19 kDa, Protein from Sus scrofa)
- The pol ii-spt6-elongin transcription elongation complex (Complex from Homo sapiens)
- Rna (14 kDa, RNA from synthetic construct)
- Dna-directed rna polymerase ii subunit e (24 kDa, Protein from Sus scrofa)
- Template dna (14 kDa, DNA from synthetic construct)
- Rna polymerase ii subunit d (20 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc3 (17 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb3 (31 kDa, Protein from Sus scrofa)
- Transcription elongation factor spt6 (199 kDa, Protein from Homo sapiens)
- Magnesium ion (24 Da, Ligand)
- Elongin-b (13 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc5 (7 kDa, Protein from Sus scrofa)
- Elongin-a (90 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase subunit beta (142 kDa, Protein from Sus scrofa)
- Rna polymerase ii subunit k (7 kDa, Protein from Sus scrofa)
Resolution: 2.8 Å
EM Method: Single-particle
Fitted PDBs: 8oew
Q-score: 0.56
Chen Y, Kokic G, Dienemann C, Dybkov O, Urlaub H, Cramer P
Nat Struct Mol Biol (2023) 30 pp. 1925-1935 [ DOI: doi:10.1038/s41594-023-01138-w Pubmed: 37932450 ]
- Dna-directed rna polymerase ii subunit f (14 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb11-a (13 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb9 (14 kDa, Protein from Sus scrofa)
- Elongin-c (12 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase ii subunit rpb1 (217 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb7 (19 kDa, Protein from Sus scrofa)
- The pol ii-elongin transcription elongation complex (Complex from Homo sapiens)
- Rna (14 kDa, RNA from synthetic construct)
- Dna-directed rna polymerase ii subunit e (24 kDa, Protein from Sus scrofa)
- Template dna (14 kDa, DNA from synthetic construct)
- Rna polymerase ii subunit d (20 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc3 (17 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb3 (31 kDa, Protein from Sus scrofa)
- Magnesium ion (24 Da, Ligand)
- Elongin-b (13 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc5 (7 kDa, Protein from Sus scrofa)
- Elongin-a (90 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase subunit beta (142 kDa, Protein from Sus scrofa)
- Rna polymerase ii subunit k (7 kDa, Protein from Sus scrofa)
- Non-template dna (14 kDa, DNA from synthetic construct)
Structure of the mammalian Pol II-SPT6-Elongin complex, Structure 1 (local resolution filtered map)
Resolution: 3.05 Å
EM Method: Single-particle
Fitted PDBs: 8of0
Q-score: 0.422
Chen Y, Kokic G, Dienemann C, Dybkov O, Urlaub H, Cramer P
Nat Struct Mol Biol (2023) 30 pp. 1925-1935 [ DOI: doi:10.1038/s41594-023-01138-w Pubmed: 37932450 ]
- Dna-directed rna polymerase ii subunit f (14 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb11-a (13 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb9 (14 kDa, Protein from Sus scrofa)
- Elongin-c (12 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase ii subunit rpb1 (217 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb7 (19 kDa, Protein from Sus scrofa)
- The pol ii-spt6-elongin transcription elongation complex (Complex from Homo sapiens)
- Rna (14 kDa, RNA from synthetic construct)
- Dna-directed rna polymerase ii subunit e (24 kDa, Protein from Sus scrofa)
- Template dna (14 kDa, DNA from synthetic construct)
- Rna polymerase ii subunit d (20 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc3 (17 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb3 (31 kDa, Protein from Sus scrofa)
- Transcription elongation factor spt6 (199 kDa, Protein from Homo sapiens)
- Magnesium ion (24 Da, Ligand)
- Elongin-b (13 kDa, Protein from Homo sapiens)
- Zinc ion (65 Da, Ligand)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc5 (7 kDa, Protein from Sus scrofa)
- Elongin-a (90 kDa, Protein from Homo sapiens)
- Dna-directed rna polymerase subunit beta (142 kDa, Protein from Sus scrofa)
- Rna polymerase ii subunit k (7 kDa, Protein from Sus scrofa)
- Non-template dna (14 kDa, DNA from synthetic construct)
Structure of mammalian Pol II-TFIIS elongation complex
Resolution: 3.0 Å
EM Method: Single-particle
Fitted PDBs: 8a40
Q-score: 0.486
Farnung L, Ochmann M, Garg G, Vos SM, Cramer P
Mol Cell (2022) 82 pp. 3126-3134.e7 [ Pubmed: 35858621 DOI: doi:10.1016/j.molcel.2022.06.027 ]
- Dna-directed rna polymerase ii subunit rpb11-a (13 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb9 (14 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc2 (14 kDa, Protein from Sus scrofa)
- Rna (4 kDa, RNA from synthetic construct)
- Template dna (12 kDa, DNA from synthetic construct)
- Dna-directed rna polymerase ii subunit rpb7 (19 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit e (24 kDa, Protein from Sus scrofa)
- Rna polymerase ii subunit d (16 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc3 (17 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb3 (31 kDa, Protein from Sus scrofa)
- Magnesium ion (24 Da, Ligand)
- Dna-directed rna polymerase subunit (218 kDa, Protein from Sus scrofa)
- Zinc ion (65 Da, Ligand)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc5 (7 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase subunit beta (142 kDa, Protein from Sus scrofa)
- Mammalian pol ii-tfiis elongation complex (Complex from Sus scrofa)
- Transcription elongation factor a protein 1 (34 kDa, Protein from Homo sapiens)
- Rna polymerase ii subunit k (7 kDa, Protein from Sus scrofa)
- Non-template dna (14 kDa, DNA from synthetic construct)
Structural insights into human co-transcriptional capping - structure 1
Resolution: 3.6 Å
EM Method: Single-particle
Fitted PDBs: 8p4a
Q-score: 0.344
Garg G, Dienemann C, Farnung L, Schwarz J, Linden A, Urlaub H, Cramer P
Mol Cell (2023) 83 pp. 2464-2477.e5 [ DOI: doi:10.1016/j.molcel.2023.06.002 Pubmed: 37369200 ]
- Dna-directed rna polymerase ii subunit f (14 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb11-a (13 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb9 (14 kDa, Protein from Sus scrofa)
- Mrna-capping enzyme (68 kDa, Protein from Homo sapiens)
- Dna (38-mer) (11 kDa, DNA from unidentified)
- Pol ii - tpase complex (Complex from Homo sapiens)
- Dna (29-mer) (8 kDa, DNA from unidentified)
- Dna-directed rna polymerase ii subunit rpb7 (19 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit e (24 kDa, Protein from Sus scrofa)
- Rna polymerase ii subunit d (16 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc3 (17 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase ii subunit rpb3 (31 kDa, Protein from Sus scrofa)
- Magnesium ion (24 Da, Ligand)
- Dna-directed rna polymerase subunit (218 kDa, Protein from Sus scrofa)
- Rna (5'-r(p*ap*ap*ap*ap*cp*cp*cp*ap*gp*gp*gp*ap*ap*cp*cp*cp*ap*cp*u)-3') (6 kDa, RNA from unidentified)
- Zinc ion (65 Da, Ligand)
- Dna-directed rna polymerases i, ii, and iii subunit rpabc5 (7 kDa, Protein from Sus scrofa)
- Dna-directed rna polymerase subunit beta (134 kDa, Protein from Sus scrofa)
- Rna polymerase ii subunit k (7 kDa, Protein from Sus scrofa)