National Center for
Biotechnology Information

9FSO: Human RNA Polymerase III Class III Open Pre-initiation Complex 1 (OC1)

PDB ID:

MMDB ID:

258017

PDB Deposition Date:

2024/6/21

Updated in MMDB:

2025/01

Experimental Method:

electron microscopy

Resolution:

3.28 Å

Source Organism:

Homo sapiens▼

Taxonomy	Molecule
Homo sapiens	A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, W, X, Y
Homo	Z

Similar Structures:

Biological Unit for 9FSO: 25-meric; determined by author and by software

Molecular Components in 9FSO
Label	Count	Molecule
Proteins (23 molecules)
A	1	DNA-directed RNA Polymerase III Subunit Rpc1
B	1	DNA-directed RNA Polymerase III Subunit Rpc2
C	1	DNA-directed RNA Polymerase III Subunit Rpc3
D	1	DNA-directed RNA Polymerase III Subunit Rpc4
E	1	Isoform 2 of DNA-directed RNA Polymerase III Subunit Rpc5
F	1	DNA-directed RNA Polymerase III Subunit Rpc6
G	1	DNA-directed RNA Polymerase III Subunit Rpc7
H	1	DNA-directed RNA Polymerase III Subunit Rpc8
I	1	DNA-directed RNA Polymerase III Subunit Rpc9
J	1	DNA-directed RNA Polymerase III Subunit Rpc10
K	1	DNA-directed RNA Polymerases I and III Subunit Rpac1
L	1	DNA-directed RNA Polymerases I and III Subunit Rpac2
M	1	DNA-directed RNA Polymerases I, II, and III Subunit Rpabc1
N	1	DNA-directed RNA Polymerases I, II, and III Subunit Rpabc2
O	1	DNA-directed RNA Polymerases I, II, and III Subunit Rpabc3
P	1	DNA-directed RNA Polymerases I, II, and III Subunit Rpabc4
Q	1	DNA-directed RNA Polymerases I, II, and III Subunit Rpabc5
R	1	Tata-box-binding Protein
S	1	Transcription Factor Iiib 50 KDA Subunit
T	1	Transcription Factor Tfiiib Component B'' Homolog
U	1	Snrna-activating Protein Complex Subunit 1
W	1	Snrna-activating Protein Complex Subunit 4
Z	1	Snrna-activating Protein Complex Subunit 3
Nucleotides(2 molecules)
X	1	U6_2_template
Y	1	U6_2_non Template
Chemicals and Non-standard biopolymers (11 molecules)
1	9	ZINC ION
2	1	MAGNESIUM ION
3	1	IRON/SULFUR CLUSTER

* Click molecule labels to explore molecular sequence information.

Citing MMDB