9LLZ | pdb_00009llz

Cryo-EM structure of a class C GPCR (Global, without symmetry)

PDB DOI: https://doi.org/10.2210/pdb9LLZ/pdb
EM Map EMD-63210: EMDB EMDataResource

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

Deposited: 2025-01-18 Released: 2026-03-18
Deposition Author(s): Lee, S.Y., Yun, Y., Ji, J.S., Jeong, H., Lee, H.H.
Funding Organization(s): Samsung Science and Technology Foundation

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.20 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9LLZ

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

Literature

Cryo-EM structure of a class C GPCR (Global, without symmetry)

Lee, S.Y., Yun, Y., Ji, J.S., Jeong, H., Lee, H.H.

To be published.

Macromolecule Content

Total Structure Weight: 191.45 kDa
Atom Count: 11,980
Modeled Residue Count: 1,558
Deposited Residue Count: 1,754
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Metabotropic glutamate receptor 6	A [auth B], B [auth A]	877	Homo sapiens	Mutation(s): 0 Gene Names: GRM6, GPRC1F, MGLUR6
UniProt & NIH Common Fund Data Resources
Find proteins for O15303 (Homo sapiens) Explore O15303 Go to UniProtKB: O15303
PHAROS: O15303 GTEx: ENSG00000113262
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O15303
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
SEP (Subject of Investigation/LOI) Query on SEP Download:Ideal Coordinates CCD File SDF format, chain C [auth B] SDF format, chain D [auth A] MOL2 format, chain C [auth B] MOL2 format, chain D [auth A] mmCIF format, chain C [auth B] mmCIF format, chain D [auth A]	C [auth B], D [auth A]	PHOSPHOSERINE C₃ H₈ N O₆ P BZQFBWGGLXLEPQ-REOHCLBHSA-N		Interactions Focus chain C [auth B] Focus chain D [auth A] Interactions & Density Focus chain C [auth B] Focus chain D [auth A]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.20 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-03-18

Deposition Author(s):

Funding Organization	Location	Grant Number
Samsung Science and Technology Foundation	Korea, Republic Of	--

Revision History (Full details and data files)

Version 1.0: 2026-03-18
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.