31EZ | pdb_000031ez

UapA (Q408E) in MSP1E3D1 nanodiscs, Xanthine-bound state

PDB DOI: https://doi.org/10.2210/pdb31EZ/pdb
EM Map EMD-58354: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Aspergillus nidulans FGSC A4
Expression System: Saccharomyces cerevisiae
Mutation(s): Yes

Deposited: 2026-06-01 Released: 2026-07-01
Deposition Author(s): Broutzakis, G., Gatsogiannis, C.
Funding Organization(s): German Research Foundation (DFG)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.48 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 31EZ

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

Literature

Cryo-EM of the eukaryotic purine transporter UapA demonstrates intramolecular and lipid regulation of transport

Broutzakis, G., Pyrris, Y., Akrani, I., Neuhaus, A., Mikros, E., Diallinas, G., Gatsogiannis, C.

To be published.

Macromolecule Content

Total Structure Weight: 123.2 kDa
Atom Count: 8,648
Modeled Residue Count: 1,040
Deposited Residue Count: 1,040
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uric acid-xanthine permease	A, B	520	Aspergillus nidulans FGSC A4	Mutation(s): 1 Gene Names: uapA, AN6932
UniProt
Find proteins for Q07307 (Emericella nidulans (strain FGSC A4 / ATCC 38163 / CBS 112.46 / NRRL 194 / M139)) Explore Q07307 Go to UniProtKB: Q07307
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q07307
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
ERG Query on ERG Download:Ideal Coordinates CCD File SDF format, chain HA [auth B] SDF format, chain I [auth A] SDF format, chain MA [auth B] SDF format, chain N [auth A] SDF format, chain TA [auth B] SDF format, chain U [auth A] SDF format, chain UA [auth B] SDF format, chain V [auth A] SDF format, chain VA [auth B] SDF format, chain W [auth A] MOL2 format, chain HA [auth B] MOL2 format, chain I [auth A] MOL2 format, chain MA [auth B] MOL2 format, chain N [auth A] MOL2 format, chain TA [auth B] MOL2 format, chain U [auth A] MOL2 format, chain UA [auth B] MOL2 format, chain V [auth A] MOL2 format, chain VA [auth B] MOL2 format, chain W [auth A] mmCIF format, chain HA [auth B] mmCIF format, chain I [auth A] mmCIF format, chain MA [auth B] mmCIF format, chain N [auth A] mmCIF format, chain TA [auth B] mmCIF format, chain U [auth A] mmCIF format, chain UA [auth B] mmCIF format, chain V [auth A] mmCIF format, chain VA [auth B] mmCIF format, chain W [auth A]	HA [auth B] I [auth A] MA [auth B] N [auth A] TA [auth B] HA [auth B], I [auth A], MA [auth B], N [auth A], TA [auth B], U [auth A], UA [auth B], V [auth A], VA [auth B], W [auth A]	ERGOSTEROL C₂₈ H₄₄ O DNVPQKQSNYMLRS-APGDWVJJSA-N		Interactions Focus chain HA [auth B] Focus chain I [auth A] Focus chain MA [auth B] Focus chain N [auth A] Focus chain TA [auth B] Focus chain U [auth A] Focus chain UA [auth B] Focus chain V [auth A] Focus chain VA [auth B] Focus chain W [auth A] Interactions & Density Focus chain HA [auth B] Focus chain I [auth A] Focus chain MA [auth B] Focus chain N [auth A] Focus chain TA [auth B] Focus chain U [auth A] Focus chain UA [auth B] Focus chain V [auth A] Focus chain VA [auth B] Focus chain W [auth A]
MYR Query on MYR Download:Ideal Coordinates CCD File SDF format, chain AA [auth B] SDF format, chain BA [auth B] SDF format, chain C [auth A] SDF format, chain CA [auth B] SDF format, chain D [auth A] SDF format, chain DA [auth B] SDF format, chain E [auth A] SDF format, chain EA [auth B] SDF format, chain F [auth A] SDF format, chain FA [auth B] SDF format, chain G [auth A] SDF format, chain GA [auth B] SDF format, chain H [auth A] SDF format, chain IA [auth B] SDF format, chain J [auth A] SDF format, chain JA [auth B] SDF format, chain K [auth A] SDF format, chain KA [auth B] SDF format, chain L [auth A] SDF format, chain LA [auth B] SDF format, chain M [auth A] SDF format, chain NA [auth B] SDF format, chain O [auth A] SDF format, chain OA [auth B] SDF format, chain P [auth A] SDF format, chain PA [auth B] SDF format, chain Q [auth A] SDF format, chain QA [auth B] SDF format, chain R [auth A] SDF format, chain RA [auth B] SDF format, chain S [auth A] SDF format, chain SA [auth B] SDF format, chain T [auth A] SDF format, chain WA [auth B] SDF format, chain X [auth A] SDF format, chain Y [auth A] MOL2 format, chain AA [auth B] MOL2 format, chain BA [auth B] MOL2 format, chain C [auth A] MOL2 format, chain CA [auth B] MOL2 format, chain D [auth A] MOL2 format, chain DA [auth B] MOL2 format, chain E [auth A] MOL2 format, chain EA [auth B] MOL2 format, chain F [auth A] MOL2 format, chain FA [auth B] MOL2 format, chain G [auth A] MOL2 format, chain GA [auth B] MOL2 format, chain H [auth A] MOL2 format, chain IA [auth B] MOL2 format, chain J [auth A] MOL2 format, chain JA [auth B] MOL2 format, chain K [auth A] MOL2 format, chain KA [auth B] MOL2 format, chain L [auth A] MOL2 format, chain LA [auth B] MOL2 format, chain M [auth A] MOL2 format, chain NA [auth B] MOL2 format, chain O [auth A] MOL2 format, chain OA [auth B] MOL2 format, chain P [auth A] MOL2 format, chain PA [auth B] MOL2 format, chain Q [auth A] MOL2 format, chain QA [auth B] MOL2 format, chain R [auth A] MOL2 format, chain RA [auth B] MOL2 format, chain S [auth A] MOL2 format, chain SA [auth B] MOL2 format, chain T [auth A] MOL2 format, chain WA [auth B] MOL2 format, chain X [auth A] MOL2 format, chain Y [auth A] mmCIF format, chain AA [auth B] mmCIF format, chain BA [auth B] mmCIF format, chain C [auth A] mmCIF format, chain CA [auth B] mmCIF format, chain D [auth A] mmCIF format, chain DA [auth B] mmCIF format, chain E [auth A] mmCIF format, chain EA [auth B] mmCIF format, chain F [auth A] mmCIF format, chain FA [auth B] mmCIF format, chain G [auth A] mmCIF format, chain GA [auth B] mmCIF format, chain H [auth A] mmCIF format, chain IA [auth B] mmCIF format, chain J [auth A] mmCIF format, chain JA [auth B] mmCIF format, chain K [auth A] mmCIF format, chain KA [auth B] mmCIF format, chain L [auth A] mmCIF format, chain LA [auth B] mmCIF format, chain M [auth A] mmCIF format, chain NA [auth B] mmCIF format, chain O [auth A] mmCIF format, chain OA [auth B] mmCIF format, chain P [auth A] mmCIF format, chain PA [auth B] mmCIF format, chain Q [auth A] mmCIF format, chain QA [auth B] mmCIF format, chain R [auth A] mmCIF format, chain RA [auth B] mmCIF format, chain S [auth A] mmCIF format, chain SA [auth B] mmCIF format, chain T [auth A] mmCIF format, chain WA [auth B] mmCIF format, chain X [auth A] mmCIF format, chain Y [auth A]	AA [auth B] BA [auth B] C [auth A] CA [auth B] D [auth A] AA [auth B], BA [auth B], C [auth A], CA [auth B], D [auth A], DA [auth B], E [auth A], EA [auth B], F [auth A], FA [auth B], G [auth A], GA [auth B], H [auth A], IA [auth B], J [auth A], JA [auth B], K [auth A], KA [auth B], L [auth A], LA [auth B], M [auth A], NA [auth B], O [auth A], OA [auth B], P [auth A], PA [auth B], Q [auth A], QA [auth B], R [auth A], RA [auth B], S [auth A], SA [auth B], T [auth A], WA [auth B], X [auth A], Y [auth A]	MYRISTIC ACID C₁₄ H₂₈ O₂ TUNFSRHWOTWDNC-UHFFFAOYSA-N		Interactions Focus chain AA [auth B] Focus chain BA [auth B] Focus chain C [auth A] Focus chain CA [auth B] Focus chain D [auth A] Focus chain DA [auth B] Focus chain E [auth A] Focus chain EA [auth B] Focus chain F [auth A] Focus chain FA [auth B] Focus chain G [auth A] Focus chain GA [auth B] Focus chain H [auth A] Focus chain IA [auth B] Focus chain J [auth A] Focus chain JA [auth B] Focus chain K [auth A] Focus chain KA [auth B] Focus chain L [auth A] Focus chain LA [auth B] Focus chain M [auth A] Focus chain NA [auth B] Focus chain O [auth A] Focus chain OA [auth B] Focus chain P [auth A] Focus chain PA [auth B] Focus chain Q [auth A] Focus chain QA [auth B] Focus chain R [auth A] Focus chain RA [auth B] Focus chain S [auth A] Focus chain SA [auth B] Focus chain T [auth A] Focus chain WA [auth B] Focus chain X [auth A] Focus chain Y [auth A] Interactions & Density Focus chain AA [auth B] Focus chain BA [auth B] Focus chain C [auth A] Focus chain CA [auth B] Focus chain D [auth A] Focus chain DA [auth B] Focus chain E [auth A] Focus chain EA [auth B] Focus chain F [auth A] Focus chain FA [auth B] Focus chain G [auth A] Focus chain GA [auth B] Focus chain H [auth A] Focus chain IA [auth B] Focus chain J [auth A] Focus chain JA [auth B] Focus chain K [auth A] Focus chain KA [auth B] Focus chain L [auth A] Focus chain LA [auth B] Focus chain M [auth A] Focus chain NA [auth B] Focus chain O [auth A] Focus chain OA [auth B] Focus chain P [auth A] Focus chain PA [auth B] Focus chain Q [auth A] Focus chain QA [auth B] Focus chain R [auth A] Focus chain RA [auth B] Focus chain S [auth A] Focus chain SA [auth B] Focus chain T [auth A] Focus chain WA [auth B] Focus chain X [auth A] Focus chain Y [auth A]
XAN (Subject of Investigation/LOI) Query on XAN Download:Ideal Coordinates CCD File SDF format, chain XA [auth B] SDF format, chain Z [auth A] MOL2 format, chain XA [auth B] MOL2 format, chain Z [auth A] mmCIF format, chain XA [auth B] mmCIF format, chain Z [auth A]	XA [auth B], Z [auth A]	XANTHINE C₅ H₄ N₄ O₂ LRFVTYWOQMYALW-UHFFFAOYSA-N		Interactions Focus chain XA [auth B] Focus chain Z [auth A] Interactions & Density Focus chain XA [auth B] Focus chain Z [auth A]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.48 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX
RECONSTRUCTION	cryoSPARC	4.5.1

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-07-01

Deposition Author(s):

Gatsogiannis, C.

Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	496113311
German Research Foundation (DFG)	Germany	211/667-1

Revision History (Full details and data files)

Version 1.0: 2026-07-01
Type: Initial release

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.