25TW | pdb_000025tw

Cryo-EM structure of the 2:2 mGlu7-ELFN1 complex in conformation D

PDB DOI: https://doi.org/10.2210/pdb25TW/pdb
EM Map EMD-80374: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Homo sapiens
Expression System: Spodoptera frugiperda
Mutation(s): No

Deposited: 2026-04-17 Released: 2026-09-09
Deposition Author(s): Lin, S., Feng, Y., Shui, S., Chen, M., Chu, X., Yi, C., Han, S., Zhao, Q., Wu, B.
Funding Organization(s): National Science Foundation (NSF, China)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.50 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation

Currently 25TW does not have a validation slider image.

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

Literature

Structural basis for the synaptic adhesion protein ELFN1-mediated modulation of mGlu7

Lin, S., Feng, Y., Shui, S., Chen, M., Chu, X., Yi, C., Han, S., Zhao, Q., Wu, B.

To be published.

Macromolecule Content

Total Structure Weight: 302.15 kDa
Atom Count: 10,315
Modeled Residue Count: 1,358
Deposited Residue Count: 2,662
Unique protein chains: 2

Macromolecules

Find similar proteins by:

| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Metabotropic glutamate receptor 7	A, B	920	Homo sapiens	Mutation(s): 0 Gene Names: GRM7, GPRC1G, MGLUR7
UniProt & NIH Common Fund Data Resources
Find proteins for Q14831 (Homo sapiens) Explore Q14831 Go to UniProtKB: Q14831
PHAROS: Q14831 GTEx: ENSG00000196277
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q14831
Glycosylation
Glycosylation Sites: 2	Glycosylation Focus chain A Focus chain B	Go to GlyGen: Q14831-1
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

| 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein ELFN1	C, D	411	Homo sapiens	Mutation(s): 0 Gene Names: ELFN1, PPP1R28
UniProt & NIH Common Fund Data Resources
Find proteins for P0C7U0 (Homo sapiens) Explore P0C7U0 Go to UniProtKB: P0C7U0
PHAROS: P0C7U0 GTEx: ENSG00000225968
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P0C7U0
Glycosylation
Glycosylation Sites: 3	Glycosylation Focus chain C Focus chain D	Go to GlyGen: P0C7U0-1
Sequence Annotations Expand
Reference Sequence

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	D Interactions
beta-D-mannopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	E	4	N/A	N-Glycosylation	Interactions Focus chain E Interactions & Density Focus chain E

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	F, H, I, J	2	N/A	N-Glycosylation	Interactions Focus chain F Focus chain H Focus chain I Focus chain J Interactions & Density Focus chain F Focus chain H Focus chain I Focus chain J

Entity ID: 5
Molecule	Chains	Length	2D Diagram	Glycosylation	D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	G	3	N/A	N-Glycosylation	Interactions Focus chain G Interactions & Density Focus chain G

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
NAG Query on NAG Download:Ideal Coordinates CCD File SDF format, chain N [auth B] SDF format, chain M [auth B] SDF format, chain L [auth A] SDF format, chain K [auth A] MOL2 format, chain N [auth B] MOL2 format, chain M [auth B] MOL2 format, chain L [auth A] MOL2 format, chain K [auth A] mmCIF format, chain N [auth B] mmCIF format, chain M [auth B] mmCIF format, chain L [auth A] mmCIF format, chain K [auth A]	K [auth A], L [auth A], M [auth B], N [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C₈ H₁₅ N O₆ OVRNDRQMDRJTHS-FMDGEEDCSA-N		Interactions Focus chain K [auth A] Focus chain L [auth A] Focus chain M [auth B] Focus chain N [auth B] Interactions & Density Focus chain K [auth A] Focus chain L [auth A] Focus chain M [auth B] Focus chain N [auth B]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.50 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC

Structure Validation

Currently 25TW does not have a validation slider image.

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-09-09

Deposition Author(s):

Funding Organization	Location	Grant Number
National Science Foundation (NSF, China)	China	32530052
National Science Foundation (NSF, China)	China	32400997
National Science Foundation (NSF, China)	China	82121005