Resolution: 3.18 Å
EM Method: Single-particle
Fitted PDBs: 8dy7
Q-score: 0.482
Lilic M, Holmes NA, Bush MJ, Marti AK, Widdick DA, Findlay KC, Choi YJ, Froom R, Koh S, Buttner MJ, Campbell EA
PNAS (2023) 120 pp. e2220785120-e2220785120 [ DOI: doi:10.1073/pnas.2220785120 Pubmed: 36888660 ]
- Iron/sulfur cluster (351 Da, Ligand)
- Transcriptional regulator whib (10 kDa, Protein from Streptomyces venezuelae)
- Dna (78-mer) (30 kDa, DNA from Streptomyces venezuelae)
- Dna (71-mer) (30 kDa, DNA from Streptomyces venezuelae)
- Dna-directed rna polymerase subunit beta' (144 kDa, Protein from Streptomyces venezuelae)
- Dna-directed rna polymerase subunit alpha (36 kDa, Protein from Streptomyces venezuelae)
- Probable cell division protein whia (37 kDa, Protein from Streptomyces venezuelae)
- Rna polymerase sigma factor siga (56 kDa, Protein from Streptomyces venezuelae)
- Rna polymerase-binding protein rbpa (14 kDa, Protein from Streptomyces venezuelae)
- Magnesium ion (24 Da, Ligand)
- Zinc ion (65 Da, Ligand)
- Dna-directed rna polymerase subunit beta (130 kDa, Protein from Streptomyces venezuelae)
- Dna-directed rna polymerase subunit omega (9 kDa, Protein from Streptomyces venezuelae)
- Streptomyces venezuelae rnap transcription open promoter complex with whia and whib transcription factors (Complex from Streptomyces venezuelae)
Resolution: 3.12 Å
EM Method: Single-particle
Fitted PDBs: 8dy9
Q-score: 0.492
Lilic M, Holmes NA, Bush MJ, Marti AK, Widdick DA, Findlay KC, Choi YJ, Froom R, Koh S, Buttner MJ, Campbell EA
PNAS (2023) 120 pp. e2220785120-e2220785120 [ Pubmed: 36888660 DOI: doi:10.1073/pnas.2220785120 ]
- Iron/sulfur cluster (351 Da, Ligand)
- Dna (38-mer) (15 kDa, DNA from Streptomyces venezuelae)
- Magnesium ion (24 Da, Ligand)
- Rna polymerase sigma factor siga (56 kDa, Protein from Streptomyces venezuelae)
- Rna polymerase-binding protein rbpa (14 kDa, Protein from Streptomyces venezuelae)
- Dna-directed rna polymerase subunit beta' (144 kDa, Protein from Streptomyces venezuelae)
- Dna-directed rna polymerase subunit alpha (36 kDa, Protein from Streptomyces venezuelae ATCC 10712)
- Probable cell division protein whia (34 kDa, Protein from Streptomyces venezuelae)
- Zinc ion (65 Da, Ligand)
- Dna (38-mer) (15 kDa, DNA from Streptomyces venezuelae)
- Dna-directed rna polymerase subunit omega (9 kDa, Protein from Streptomyces venezuelae)
- Transcriptional regulator whib (10 kDa, Protein from Streptomyces venezuelae)
- Dna-directed rna polymerase subunit beta (130 kDa, Protein from Streptomyces venezuelae)
- Streptomyces venezuelae rnap unconstrained open promoter complex with whia and whib transcription factors (Complex from Streptomyces venezuelae)
Structure of SARS-CoV-2 backtracked complex bound to nsp13 helicase - nsp13(1)-BTC
Resolution: 3.4 Å
EM Method: Single-particle
Fitted PDBs: 7krn
Q-score: 0.476
Malone B, Chen J, Wang Q, Llewellyn E, Choi YJ, Olinares PDB, Cao X, Hernandez C, Eng ET, Chait BT, Shaw DE, Landick R, Darst SA, Campbell EA
PNAS (2021) 118 [ DOI: doi:10.1073/pnas.2102516118 Pubmed: 33883267 ]
- Sars-cov-2 backtracked complex bound to nsp13 helicase - nsp13(1)-btc (Complex from Severe acute respiratory syndrome coronavirus 2)
- Chapso (631 Da, Ligand)
- Non-structural protein 8 (22 kDa, Protein from Severe acute respiratory syndrome coronavirus 2)
- Aluminum fluoride (83 Da, Ligand)
- Rna-directed rna polymerase (106 kDa, Protein from Severe acute respiratory syndrome coronavirus 2)
- Rna (43-mer) (17 kDa, RNA from Severe acute respiratory syndrome coronavirus 2)
- Adenosine-5'-diphosphate (427 Da, Ligand)
- Magnesium ion (24 Da, Ligand)
- Zinc ion (65 Da, Ligand)
- Helicase (67 kDa, Protein from Severe acute respiratory syndrome coronavirus 2)
- Rna (37-mer) (12 kDa, RNA from Severe acute respiratory syndrome coronavirus 2)
- Non-structural protein 7 (9 kDa, Protein from Severe acute respiratory syndrome coronavirus 2)
Structure of SARS-CoV-2 backtracked complex complex bound to nsp13 helicase - nsp13(2)-BTC
Resolution: 3.6 Å
EM Method: Single-particle
Fitted PDBs: 7kro
Q-score: 0.416
Malone B, Chen J, Wang Q, Llewellyn E, Choi YJ, Olinares PDB, Cao X, Hernandez C, Eng ET, Chait BT, Shaw DE, Landick R, Darst SA, Campbell EA
PNAS (2021) 118 [ DOI: doi:10.1073/pnas.2102516118 Pubmed: 33883267 ]
- Sars-cov-2 backtracked complex complex bound to nsp13 helicase - nsp13(2)-btc (Complex from Severe acute respiratory syndrome coronavirus 2)
- Chapso (631 Da, Ligand)
- Non-structural protein 8 (22 kDa, Protein from Severe acute respiratory syndrome coronavirus 2)
- Aluminum fluoride (83 Da, Ligand)
- Rna-directed rna polymerase (106 kDa, Protein from Severe acute respiratory syndrome coronavirus 2)
- Rna (43-mer) (17 kDa, RNA from Severe acute respiratory syndrome coronavirus 2)
- Adenosine-5'-diphosphate (427 Da, Ligand)
- Magnesium ion (24 Da, Ligand)
- Zinc ion (65 Da, Ligand)
- Helicase (67 kDa, Protein from Severe acute respiratory syndrome coronavirus 2)
- Rna (37-mer) (12 kDa, RNA from Severe acute respiratory syndrome coronavirus 2)
- Non-structural protein 7 (9 kDa, Protein from Severe acute respiratory syndrome coronavirus 2)
Structure of SARS-CoV-2 backtracked complex complex bound to nsp13 helicase - BTC (local refinement)
Resolution: 3.2 Å
EM Method: Single-particle
Fitted PDBs: 7krp
Q-score: 0.361
Malone B, Chen J, Wang Q, Llewellyn E, Choi YJ, Olinares PDB, Cao X, Hernandez C, Eng ET, Chait BT, Shaw DE, Landick R, Darst SA, Campbell EA
PNAS (2021) 118 [ DOI: doi:10.1073/pnas.2102516118 Pubmed: 33883267 ]
- Sars-cov-2 backtracked complex complex bound to nsp13 helicase - btc (local refinement) (Complex from Severe acute respiratory syndrome coronavirus 2)
- Rna-directed rna polymerase (106 kDa, Protein from Severe acute respiratory syndrome coronavirus 2)
- Magnesium ion (24 Da, Ligand)
- Adenosine-5'-diphosphate (427 Da, Ligand)
- Chapso (631 Da, Ligand)
- Non-structural protein 8 (22 kDa, Protein from Severe acute respiratory syndrome coronavirus 2)
- Zinc ion (65 Da, Ligand)
- Rna (36-mer) (17 kDa, RNA from Severe acute respiratory syndrome coronavirus 2)
- Rna (37-mer) (12 kDa, RNA from Severe acute respiratory syndrome coronavirus 2)
- Non-structural protein 7 (9 kDa, Protein from Severe acute respiratory syndrome coronavirus 2)