National Center for
Biotechnology Information

5IPM: SigmaS-transcription initiation complex with 4-nt nascent RNA

PDB ID:

MMDB ID:

138001

PDB Deposition Date:

2016/3/9

Updated in MMDB:

2024/10

Experimental Method:

x-ray diffraction

Resolution:

4.2 Å

Source Organism:

synthetic construct▼

Taxonomy	Molecule
synthetic construct	1, 2, 3
Escherichia coli	A, B, C, D, E, F

Similar Structures:

Biological Unit for 5IPM: nonameric; determined by author and by software (PISA)

Molecular Components in 5IPM
Label	Count	Molecule
Proteins (6 molecules)
A B	2	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 Rpos
Nucleotides(3 molecules)
1	1	Synthetic Non-template Strand DNA (50-mer)
2	1	Synthetic Template Strand DNA (50-mer)
3	1	Nascent RNA 4-mer
Chemicals and Non-standard biopolymers (3 molecules)
1	2	ZINC ION
2	1	MAGNESIUM ION

* Click molecule labels to explore molecular sequence information.

Citing MMDB