ISDA: 9SQR

Deposition Date 2025-09-23

Release Date 2026-09-02

Last Version Date 2026-09-02

Entry Detail

PDB ID:

9SQR

Keywords:

OXIDOREDUCTASE

Title:

Symmetry relaxed reconstruction of Rhodospirillum rubrum encapsulin:encapsulated ferritin nanocompartment

Biological Source:

Source Organism(s):

Rhodospirillum rubrum (Taxon ID: 1085)

Expression System(s):

Escherichia coli bl21(de3)

Method Details:

Experimental Method:

ELECTRON MICROSCOPY

Resolution:

3.73 Å

Aggregation State:

PARTICLE

Reconstruction Method:

SINGLE PARTICLE

Download Validation Report

Macromolecular Entities

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Encapsulated ferritin-like pr
Gene (Uniprot):fer
Chain IDs:IB (auth: 1), JB (auth: 2), KB (auth: 3), LB (auth: 4), MB (auth: 5), NB (auth: 6), OB (auth: 7), PB (auth: 8), QB (auth: 9), RB (auth: 10), SB (auth: 11), TB (auth: 12), UB (auth: 13), VB (auth: 14), WB (auth: 15), XB (auth: 16), YB (auth: 17), ZB (auth: 18), AC (auth: 19), BC (auth: 20)
Chain Length:140
Number of Molecules:20
Biological Source:Rhodospirillum rubrum

UniProt ID:Q2RVS1 Pfam ID:PF22277 EC:1.16.3.1

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Type 1 encapsulin shell prote
Gene (Uniprot):enc
Chain IDs:A (auth: A0), B (auth: A), C (auth: B), D (auth: C), E (auth: D), F (auth: E), G (auth: F), H (auth: G), I (auth: H), J (auth: I), K (auth: J), L (auth: K), M (auth: L), N (auth: M), O (auth: N), P (auth: O), Q (auth: P), R (auth: Q), S (auth: R), T (auth: S), U (auth: T), V, W, X, Y, Z, AA, BA, CA, DA, EA, FA, GA, HA, IA, JA, KA, LA, MA, NA, OA, PA, QA, RA, SA, TA, UA, VA, WA, XA, YA, ZA, AB, BB, CB, DB, EB, FB, GB, HB
Chain Length:280
Number of Molecules:60
Biological Source:Rhodospirillum rubrum

UniProt ID:Q2RVS0 Pfam ID:PF04454

Ligand Molecules

Primary Citation

Single particle cryo-EM analysis of the Rhodospirillum rubrum encapsulin nanocompartment shows variable loading of encapsulated ferritin cargo proteins and differences in the fivefold pore.

McIver, Z, He, D, Ross, J, Cozzaglio, M, Piergentili, C, Dornau, A, Sumpner, N, Brady, F, Bialik, K, McCorvie, T, Sissi, C, Basle, A, Clarke, D.J, Marles-Wright, J.Show

J.Struct.Biol. 218 108357 108357 (2026)

PMID: 42603627 DOI: 10.1016/j.jsb.2026.108357

Primary Citation of related structures

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