ISDA

Deposition Date 2025-02-28

Release Date 2025-07-16

Last Version Date 2025-07-16

Entry Detail

PDB ID:

9QB3

Keywords:

RNA BINDING PROTEIN

Title:

Dimer structure of H/ACA RNP lobe of human telomerase

Biological Source:

Source Organism:

Homo sapiens (Taxon ID: 9606)

Host Organism:

Homo sapiens

Method Details:

Experimental Method:

ELECTRON MICROSCOPY

Resolution:

3.90 Å

Aggregation State:

PARTICLE

Reconstruction Method:

SINGLE PARTICLE

Download Validation Report

Macromolecular Entities

Polymer Type:polyribonucleotide
Molecule:hTR, human telomerase RNA
Chain IDs:S (auth: B), T (auth: b)
Chain Length:451
Number of Molecules:2
Biological Source:Homo sapiens

Protein Blast

Polymer Type:polypeptide(L)
Molecule:H/ACA ribonucleoprotein complex subunit DKC1
Gene (Uniprot):DKC1
Chain IDs:A (auth: C), E (auth: G), J (auth: c), N (auth: g)
Chain Length:514
Number of Molecules:4
Biological Source:Homo sapiens

UniProt ID:O60832 Pfam ID:PF08068, PF01509, PF16198, PF01472

Protein Blast

Polymer Type:polypeptide(L)
Molecule:H/ACA ribonucleoprotein complex subunit 1
Gene (Uniprot):GAR1
Chain IDs:B (auth: D), F (auth: H), K (auth: d), O (auth: h)
Chain Length:217
Number of Molecules:4
Biological Source:Homo sapiens

UniProt ID:Q9NY12 Pfam ID:PF04410

Protein Blast

Polymer Type:polypeptide(L)
Molecule:H/ACA ribonucleoprotein complex subunit 2
Gene (Uniprot):NHP2
Chain IDs:C (auth: E), G (auth: I), L (auth: e), P (auth: i)
Chain Length:153
Number of Molecules:4
Biological Source:Homo sapiens

UniProt ID:Q9NX24 Pfam ID:PF01248

Protein Blast

Polymer Type:polypeptide(L)
Molecule:H/ACA ribonucleoprotein complex subunit 3
Gene (Uniprot):NOP10
Chain IDs:D (auth: F), H (auth: J), M (auth: f), Q (auth: j)
Chain Length:64
Number of Molecules:4
Biological Source:Homo sapiens

UniProt ID:Q9NPE3 Pfam ID:PF04135

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Telomerase Cajal body protein 1
Gene (Uniprot):WRAP53
Chain IDs:I (auth: K), R (auth: k)
Chain Length:548
Number of Molecules:2
Biological Source:Homo sapiens

UniProt ID:Q9BUR4 Pfam ID:PF00400

Ligand Molecules

Primary Citation

CryoEM structure of human telomerase dimer reveals H/ACA RNP-mediated dimerization

Balch, S, Sekne, Z, Franco-Echevarria, E, Ludzia, P, Kretsch, R.C, Sun, W, Yu, H, Ghanim, G.E, Sigurdur, T.R, Ding, Y, Das, R, Nguyen, T.H.D.Show

Science ? ? ? (2025)

DOI: 10.1126/science.adr5817

Primary Citation of related structures