Biological Assembly 1  

 3D View: Structure | Ligand Interaction

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 8-mer - A2B2C1D1E1F1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 562.05 kDa 
• Atom Count: 35902 
• Modelled Residue Count: 4333 
• Deposited Residue Count: 4759 
• Unique protein chains: 6
• Unique nucleic acid chains: 3

6XLJ

Cryo-EM structure of EcmrR-RNAP-promoter initial transcribing complex with 4-nt RNA transcript (EcmrR-RPitc-4nt)

• DOI: 10.2210/pdb6XLJ/pdb
• EMDataResource: EMD-22245

• Classification: TRANSCRIPTION, TRANSFERASE/DNA
• Organism(s): Escherichia coli O157:H7
• Expression System: Escherichia coli O157:H7
• Mutation(s): No 


• Deposited: 2020-06-28 Released: 2021-04-07 
• Deposition Author(s): Yang, Y., Liu, C., Liu, B.

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.70 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural visualization of bacterial multidrug-activated transcription

Yang, Y., Liu, C., Shi, W., Schatz, D.G., Hu, Y., Liu, B.

To be published.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
DNA-directed RNA polymerase subunit alpha	A, B	329	Escherichia coli O157:H7	Mutation(s): 0  Gene Names: rpoA, Z4665, ECs4160 EC: 2.7.7.6
Find proteins for P0A7Z6 (Escherichia coli O157:H7) Explore P0A7Z6  Go to UniProtKB:  P0A7Z6

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
DNA-directed RNA polymerase subunit beta	C	1342	Escherichia coli O157:H7	Mutation(s): 0  Gene Names: rpoB, ECS88_4448 EC: 2.7.7.6
Find proteins for B7MIX3 (Escherichia coli O45:K1 (strain S88 / ExPEC)) Explore B7MIX3  Go to UniProtKB:  B7MIX3

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
DNA-directed RNA polymerase subunit beta'	D	1407	Escherichia coli O157:H7	Mutation(s): 0  Gene Names: rpoC, Z5561, ECs4911 EC: 2.7.7.6
Find proteins for P0A8T8 (Escherichia coli O157:H7) Explore P0A8T8  Go to UniProtKB:  P0A8T8

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
DNA-directed RNA polymerase subunit omega	E	91	Escherichia coli O157:H7	Mutation(s): 0  Gene Names: rpoZ, ECS88_4064 EC: 2.7.7.6
Find proteins for B7MFL0 (Escherichia coli O45:K1 (strain S88 / ExPEC)) Explore B7MFL0  Go to UniProtKB:  B7MFL0

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
RNA polymerase sigma factor RpoD	F	613	Escherichia coli O157:H7	Mutation(s): 0  Gene Names: rpoD, alt, b3067, JW3039
Find proteins for P00579 (Escherichia coli (strain K12)) Explore P00579  Go to UniProtKB:  P00579

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
MerR family transcriptional regulator EcmrR	G, H	268	Escherichia coli O157:H7	Mutation(s): 0

Entity ID: 7
Molecule	Chains	Length	Organism	Image
synthetic non-template strand DNA (54-MER)	N	54	Escherichia coli O157:H7

Entity ID: 8
Molecule	Chains	Length	Organism	Image
RNA (5'-D(*(GTP))-R(P*CP*AP*G)-3')	R	4	Escherichia coli O157:H7

Entity ID: 9
Molecule	Chains	Length	Organism	Image
synthetic template strand DNA (54-MER)	T	54	Escherichia coli O157:H7

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
1N7	A, C, D, G, H	CHAPSO C32 H59 N2 O8 S GUQQBLRVXOUDTN-XOHPMCGNSA-O
118	C, G, H	TETRAPHENYLANTIMONIUM ION C24 H20 Sb SZOUUWBVOLRGQM-UHFFFAOYSA-N
ZN	D	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
MG	D, R	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.70 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2020-06-28 
• Released Date: 2021-04-07 
Deposition Author(s): Yang, Y., Liu, C., Liu, B.

Revision History  

• Version 1.0: 2021-04-07
  Type: Initial release