32PZ | pdb_000032pz

Cryo-EM structure of Saccharomyces cerevisiae Erv14-Qdr2 complex in detergent

PDB DOI: https://doi.org/10.2210/pdb32PZ/pdb
EM Map EMD-59064: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Saccharomyces cerevisiae
Expression System: Saccharomyces cerevisiae
Mutation(s): No

Deposited: 2026-07-20 Released: 2026-08-19
Deposition Author(s): Tunyi, J., Adams, O., Newstead, S.
Funding Organization(s): Wellcome Trust

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.83 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

Starting Model: in silico
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wwPDB Validation 3D Report Full Report

This is version 1.0 of the entry. See complete history.

Literature

Cornichon receptors couple membrane adaptation to cargo selection during ER export

Tunyi, J., Adams, O., Forrest, L., Parker, J.L., Newstead, S.

To be published.

Macromolecule Content

Total Structure Weight: 80.5 kDa
Atom Count: 5,135
Modeled Residue Count: 627
Deposited Residue Count: 695
Unique protein chains: 2

Macromolecules

Find similar proteins by:

| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ER-derived vesicles protein ERV14	A	146	Saccharomyces cerevisiae	Mutation(s): 0 Gene Names: ERV14, YGL054C
UniProt
Find proteins for P53173 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P53173 Go to UniProtKB: P53173
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P53173
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

| 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Quinidine resistance protein 2	B	549	Saccharomyces cerevisiae	Mutation(s): 0 Gene Names: QDR2, YIL121W
UniProt
Find proteins for P40474 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P40474 Go to UniProtKB: P40474
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P40474
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
Y01 Query on Y01 Download:Ideal Coordinates CCD File SDF format, chain H [auth B] SDF format, chain D [auth A] SDF format, chain C [auth A] MOL2 format, chain H [auth B] MOL2 format, chain D [auth A] MOL2 format, chain C [auth A] mmCIF format, chain H [auth B] mmCIF format, chain D [auth A] mmCIF format, chain C [auth A]	C [auth A], D [auth A], H [auth B]	CHOLESTEROL HEMISUCCINATE C₃₁ H₅₀ O₄ WLNARFZDISHUGS-MIXBDBMTSA-N		Interactions Focus chain C [auth A] Focus chain D [auth A] Focus chain H [auth B] Interactions & Density Focus chain C [auth A] Focus chain D [auth A] Focus chain H [auth B]
ERG Query on ERG Download:Ideal Coordinates CCD File SDF format, chain I [auth B] SDF format, chain F [auth B] SDF format, chain E [auth B] MOL2 format, chain I [auth B] MOL2 format, chain F [auth B] MOL2 format, chain E [auth B] mmCIF format, chain I [auth B] mmCIF format, chain F [auth B] mmCIF format, chain E [auth B]	E [auth B], F [auth B], I [auth B]	ERGOSTEROL C₂₈ H₄₄ O DNVPQKQSNYMLRS-APGDWVJJSA-N		Interactions Focus chain E [auth B] Focus chain F [auth B] Focus chain I [auth B] Interactions & Density Focus chain E [auth B] Focus chain F [auth B] Focus chain I [auth B]
NKN Query on NKN Download:Ideal Coordinates CCD File SDF format, chain G [auth B] MOL2 format, chain G [auth B] mmCIF format, chain G [auth B]	G [auth B]	(2R)-2-hydroxy-3-(phosphonooxy)propyl tetradecanoate C₁₇ H₃₅ O₇ P FAZBDRGXCKPVJU-MRXNPFEDSA-N		Interactions Focus chain G [auth B] Interactions & Density Focus chain G [auth B]