9LXN image
Deposition Date 2025-02-18
Release Date 2025-04-16
Last Version Date 2025-06-11
Entry Detail
PDB ID:
9LXN
Keywords:
TRANSCRIPTION/DNA/RNA
Title:
Human RNA Polymerase III de novo transcribing complex 5 (TC5)(without 3'dATP)
Biological Source:
Source Organism:
Homo sapiens (Taxon ID: 9606)
Host Organism:
Homo sapiens
Method Details:
Experimental Method:
ELECTRON MICROSCOPY
Resolution:
3.30 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
9LXN validation report
Macromolecular Entities
Protein Blast
Polymer Type:polypeptide(L)
Molecule:snRNA-activating protein complex subunit 1
Gene (Uniprot):SNAPC1
Chain IDs:A (auth: 1)
Chain Length:368
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:Q16533 Pfam ID:PF09808
Protein Blast
Polymer Type:polypeptide(L)
Molecule:snRNA-activating protein complex subunit 3
Gene (Uniprot):SNAPC3
Chain IDs:B (auth: 3)
Chain Length:411
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:Q92966 Pfam ID:PF12251
Protein Blast
Polymer Type:polypeptide(L)
Molecule:snRNA-activating protein complex subunit 4
Gene (Uniprot):SNAPC4
Chain IDs:C (auth: 4)
Chain Length:1469
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:Q5SXM2 Pfam ID:PF13921
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerase III subunit RPC1
Gene (Uniprot):POLR3A
Chain IDs:D (auth: A)
Chain Length:1390
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:O14802 Pfam ID:PF04997, PF00623, PF04983, PF05000, PF04998
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerase III subunit RPC2
Gene (Uniprot):POLR3B
Chain IDs:E (auth: B)
Chain Length:1133
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:Q9NW08 Pfam ID:PF04563, PF04561, PF04565, PF04566, PF04567, PF00562, PF04560
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerases I and III subunit RPAC1
Gene (Uniprot):POLR1C
Chain IDs:F (auth: C)
Chain Length:346
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:O15160 Pfam ID:PF01193, PF01000
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerase III subunit RPC9
Gene (Uniprot):CRCP
Chain IDs:G (auth: D)
Chain Length:148
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:O75575 Pfam ID:PF03874
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerases I, II, and III subunit RPABC1
Gene (Uniprot):POLR2E
Chain IDs:H (auth: E)
Chain Length:210
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:P19388 Pfam ID:PF03871, PF01191
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerases I, II, and III subunit RPABC2
Gene (Uniprot):POLR2F
Chain IDs:I (auth: F)
Chain Length:127
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:P61218 Pfam ID:PF01192
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerase III subunit RPC8
Gene (Uniprot):POLR3H
Chain IDs:J (auth: G)
Chain Length:204
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:Q9Y535 Pfam ID:PF03876, PF08292
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerases I, II, and III subunit RPABC3
Gene (Uniprot):POLR2H
Chain IDs:K (auth: H)
Chain Length:150
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:P52434 Pfam ID:PF03870
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerase III subunit RPC10
Gene (Uniprot):POLR3K
Chain IDs:L (auth: I)
Chain Length:108
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:Q9Y2Y1 Pfam ID:PF02150, PF01096
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerases I, II, and III subunit RPABC5
Gene (Uniprot):POLR2L
Chain IDs:M (auth: J)
Chain Length:67
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:P62875 Pfam ID:PF01194
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerases I and III subunit RPAC2
Gene (Uniprot):POLR1D
Chain IDs:N (auth: K)
Chain Length:133
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:P0DPB6 Pfam ID:PF13656
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerases I, II, and III subunit RPABC4
Gene (Uniprot):POLR2K
Chain IDs:O (auth: L)
Chain Length:58
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:P53803 Pfam ID:PF03604
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerase III subunit RPC5
Gene (Uniprot):POLR3E
Chain IDs:P (auth: M)
Chain Length:708
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:Q9NVU0 Pfam ID:PF04801, PF19725
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerase III subunit RPC4
Gene (Uniprot):POLR3D
Chain IDs:Q (auth: N)
Chain Length:398
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:P05423 Pfam ID:PF05132
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerase III subunit RPC3
Gene (Uniprot):POLR3C
Chain IDs:R (auth: O)
Chain Length:534
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:Q9BUI4 Pfam ID:PF08221, PF05645, PF22536, PF20912
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerase III subunit RPC6
Gene (Uniprot):POLR3F
Chain IDs:S (auth: P)
Chain Length:316
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:Q9H1D9 Pfam ID:PF05158
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-directed RNA polymerase III subunit RPC7
Gene (Uniprot):POLR3G
Chain IDs:T (auth: Q)
Chain Length:223
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:O15318 Pfam ID:PF11705
Protein Blast
Polymer Type:polypeptide(L)
Molecule:TATA-box-binding protein
Gene (Uniprot):TBP
Chain IDs:U
Chain Length:339
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:P20226 Pfam ID:PF00352
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Transcription factor IIIB 50 kDa subunit
Gene (Uniprot):BRF2
Chain IDs:V
Chain Length:419
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:Q9HAW0 Pfam ID:PF08271, PF21886
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Transcription factor TFIIIB component B'' homolog
Gene (Uniprot):BDP1
Chain IDs:W
Chain Length:2624
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:A6H8Y1 Pfam ID:PF15963
Polymer Type:polydeoxyribonucleotide
Molecule:DNA (127-MER)
Chain IDs:X
Chain Length:127
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polydeoxyribonucleotide
Molecule:DNA (127-MER)
Chain IDs:Y
Chain Length:127
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:RNA (5'-R(P*UP*GP*CP*U)-3')
Chain IDs:Z
Chain Length:4
Number of Molecules:1
Biological Source:Homo sapiens
Ligand Molecules
GTP
MG
SF4
ZN
Primary Citation
Structural insights into human Pol III transcription initiation in action
Nature ? ? ? (2025)
DOI: 10.1038/s41586-025-09093-w
Primary Citation of related structures
9LXN