National Center for
Biotechnology Information

7CHW: Cryo-EM structure of an Escherichia coli RNAP-promoter open complex (RPo)

PDB ID:

MMDB ID:

191253

PDB Deposition Date:

2020

Updated in MMDB:

2020/08

Experimental Method:

electron microscopy

Resolution:

3.58 Å

Source Organism:

Escherichia coli K-12▼

Taxonomy	Molecule
Escherichia coli K-12	C
Escherichia coli	H, K, A, B, D, E, F, G

Similar Structures:

Biological Unit for 7CHW: nonameric; determined by author

Molecular Components in 7CHW
Label	Count	Molecule
Proteins (7 molecules)
K A B	3	DNA-directed RNA Polymerase Subunit Alpha
C	1	DNA-directed RNA Polymerase Subunit Beta
D	1	DNA-directed RNA Polymerase Subunit Beta'
E	1	DNA-directed RNA Polymerase Subunit Omega
F	1	RNA Polymerase Sigma Factor Rpod
Nucleotides(2 molecules)
H	1	DNA (63-mer)
G	1	DNA (63-mer)
Chemicals and Non-standard biopolymers (3 molecules)
1	1	MAGNESIUM ION
2	2	ZINC ION

* Click molecule labels to explore molecular sequence information.

Citing MMDB