9MH9 | pdb_00009mh9

CryoEM structure of G protein-gated inwardly rectifying potassium channel 2 R92F (State 1)

PDB DOI: https://doi.org/10.2210/pdb9MH9/pdb
EM Map EMD-48268: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Mus musculus
Expression System: Komagataella pastoris
Mutation(s): No

Deposited: 2024-12-11 Released: 2025-12-10
Deposition Author(s): Nguyen, H., Mount, J., Yuan, P., Slesinger, P.
Funding Organization(s): National Institutes of Health/National Institute on Alcohol Abuse and Alcoholism (NIH/NIAAA)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.68 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Validation slider image for 9MH9

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

Literature

Key residue Unlocks Dual PIP2-Dependent and Independent Gating in G Protein-Gated Inwardly Rectifying Potassium Channels

Nguyen, H., Mount, J., Hutchinson, K., Zhao, Y., Zhao, Y., Glaaser, I., Yuan, P., Schlessinger, A., Slesinger, P.

To be published.

Macromolecule Content

Total Structure Weight: 194.74 kDa
Atom Count: 9,762
Modeled Residue Count: 1,277
Deposited Residue Count: 1,700
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
G protein-activated inward rectifier potassium channel 2	A, B, C, D	425	Mus musculus	Mutation(s): 0 Gene Names: Kcnj6
UniProt & NIH Common Fund Data Resources
Find proteins for Q3UTV4 (Mus musculus) Explore Q3UTV4 Go to UniProtKB: Q3UTV4
IMPC: MGI:104781
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q3UTV4
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.68 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2025-12-10

Deposition Author(s):

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute on Alcohol Abuse and Alcoholism (NIH/NIAAA)	United States	5R01AA018734-13

Revision History (Full details and data files)

Version 1.0: 2025-12-10
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.