Cryo-EM structure of the full transcription activation complex NtcA-NtcB-TAC
Resolution: 4.5 Å
EM Method: Single-particle
Fitted PDBs: 8h3v
Q-score: 0.191
Han SJ, Jiang YL, You LL, Shen LQ, Wu X, Yang F, Cui N, Kong WW, Sun H, Zhou K, Meng HC, Chen ZP, Chen Y, Zhang Y, Zhou CZ
Nat Struct Mol Biol (2024) 31 pp. 293-299 [ DOI: doi:10.1038/s41594-023-01149-7 Pubmed: 38177666 ]
- Full transcription activation complex with two activators ntca and ntcb (718 kDa, Complex from Anabaena)
- Ntca (24 kDa, Protein from Anabaena)
- Dna-directed rna polymerase subunit alpha (26 kDa, Protein from Anabaena)
- Dna (125-mer) (38 kDa, DNA from Anabaena)
- Rna polymerase sigma factor siga (45 kDa, Protein from Anabaena)
- Ntcb (34 kDa, Protein from Anabaena)
- Dna-directed rna polymerase subunit beta' (147 kDa, Protein from Anabaena)
- Dna-directed rna polymerase subunit gamma (70 kDa, Protein from Anabaena)
- Dna-directed rna polymerase subunit omega (9 kDa, Protein from Anabaena)
- Dna-directed rna polymerase subunit beta (126 kDa, Protein from Anabaena)
- Dna (125-mer) (38 kDa, DNA from Anabaena)
Cryo-EM structure of the transcription activation complex NtcA-TAC
Resolution: 3.6 Å
EM Method: Single-particle
Fitted PDBs: 8h40
Q-score: 0.353
Han SJ, Jiang YL, You LL, Shen LQ, Wu X, Yang F, Cui N, Kong WW, Sun H, Zhou K, Meng HC, Chen ZP, Chen Y, Zhang Y, Zhou CZ
Nat Struct Mol Biol (2024) 31 pp. 293-299 [ Pubmed: 38177666 DOI: doi:10.1038/s41594-023-01149-7 ]
- Dna-directed rna polymerase subunit alpha (26 kDa, Protein from Anabaena)
- Transcription activation complex with the global regulator ntca (580 kDa, Complex from Anabaena)
- Dna-directed rna polymerase subunit gamma (70 kDa, Protein from Anabaena)
- Dna (125-mer) (38 kDa, DNA from Anabaena)
- Ntca (24 kDa, Protein from Anabaena)
- Rna polymerase sigma factor siga (45 kDa, Protein from Anabaena)
- Dna-directed rna polymerase subunit omega (9 kDa, Protein from Anabaena)
- Dna (125-mer) (38 kDa, DNA from Anabaena)
- Dna-directed rna polymerase subunit beta' (147 kDa, Protein from Anabaena)
- Dna-directed rna polymerase subunit beta (126 kDa, Protein from Anabaena)
Cryo-EM structure of Synechocystis sp. PCC 6803 RPitc
Resolution: 3.13 Å
EM Method: Single-particle
Fitted PDBs: 8gzg
Q-score: 0.488
PNAS (2023) [ ]
- Nontemplate strand dna (20 kDa, DNA from synthetic construct)
- Rna (5'-r(*up*cp*gp*a)-3') (1 kDa, RNA from synthetic construct)
- Magnesium ion (24 Da, Ligand)
- Template strand dna (20 kDa, DNA from synthetic construct)
- Zinc ion (65 Da, Ligand)
- Dna-directed rna polymerase subunit gamma (71 kDa, Protein from Synechocystis sp. PCC 6803)
- Dna-directed rna polymerase subunit beta' (145 kDa, Protein from Synechocystis sp. PCC 6803)
- The complex of synechocystis sp. pcc 6803 rpitc (500 kDa, Complex from Synechocystis sp. PCC 6803)
- Dna-directed rna polymerase subunit omega (8 kDa, Protein from Synechocystis sp. PCC 6803)
- Dna-directed rna polymerase subunit beta (123 kDa, Protein from Synechocystis sp. PCC 6803)
- Rna polymerase sigma factor siga (50 kDa, Protein from Synechocystis sp. PCC 6803)
- Dna-directed rna polymerase subunit alpha (36 kDa, Protein from Synechocystis sp. PCC 6803)
Cryo-EM structure of Synechocystis sp. PCC 6803 CTP-bound RPitc
Resolution: 2.96 Å
EM Method: Single-particle
Fitted PDBs: 8gzh
Q-score: 0.534
PNAS (2023) [ ]
- Template strand dna (20 kDa, DNA from synthetic construct)
- Dna-directed rna polymerase subunit alpha (36 kDa, Protein from Synechocystis sp. PCC 6803)
- Nontemplate strand dna (20 kDa, DNA from synthetic construct)
- Magnesium ion (24 Da, Ligand)
- Dna-directed rna polymerase subunit gamma (71 kDa, Protein from Synechocystis sp. PCC 6803)
- Zinc ion (65 Da, Ligand)
- Cytidine-5'-triphosphate (483 Da, Ligand)
- Rna polymerase sigma factor siga (50 kDa, Protein from Synechocystis sp. PCC 6803)
- Dna-directed rna polymerase subunit beta' (145 kDa, Protein from Synechocystis sp. PCC 6803)
- Dna-directed rna polymerase subunit omega (8 kDa, Protein from Synechocystis sp. PCC 6803)
- Rna (5'-r(*cp*cp*gp*a)-3') (1 kDa, RNA from synthetic construct)
- The complex of synechocystis sp. pcc 6803 ctp-bound rpitc (500 kDa, Complex from Synechocystis sp. PCC 6803)
- Dna-directed rna polymerase subunit beta (123 kDa, Protein from Synechocystis sp. PCC 6803)