6XEV

CryoEM structure of GIRK2-PIP2/CHS - G protein-gated inwardly rectifying potassium channel GIRK2 with modulators cholesteryl hemisuccinate and PIP2

PDB DOI: https://doi.org/10.2210/pdb6XEV/pdb
EM Map EMD-22154: EMDB EMDataResource

Classification: TRANSPORT PROTEIN
Organism(s): Mus musculus
Expression System: Komagataella pastoris
Mutation(s): No
Membrane Protein: Yes OPMPDBTMMemProtMD

Deposited: 2020-06-14 Released: 2021-09-01
Deposition Author(s): Mathiharan, Y.K., Glaaser, I.W., Skiniotis, G., Slesinger, P.A.
Funding Organization(s): National Institutes of Health/National Institute on Alcohol Abuse and Alcoholism (NIH/NIAAA)

Experimental Data Snapshot

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

wwPDB Validation 3D Report Full Report

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

Literature

Structural insights into GIRK2 channel modulation by cholesterol and PIP2

Mathiharan, Y.K., Glaaser, I.W., Zhao, Y., Robertson, M.J., Skiniotis, G., Slesinger, P.A.

(2021) Cell Rep 36: 109619

DOI: https://doi.org/10.1016/j.celrep.2021.109619

Macromolecule Content

Total Structure Weight: 161.78 kDa
Atom Count: 10,545
Modelled Residue Count: 1,312
Deposited Residue Count: 1,360
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
G protein-activated inward rectifier potassium channel 2	A, B [auth E], C [auth I], D [auth M]	340	Mus musculus	Mutation(s): 0 Gene Names: Kcnj6 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P48542 (Mus musculus) Explore P48542 Go to UniProtKB: P48542
IMPC: MGI:104781
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P48542
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
PIO (Subject of Investigation/LOI) Query on PIO Download Ideal Coordinates CCD File SDF format, chain AA [auth M] SDF format, chain E [auth A] SDF format, chain S [auth E] SDF format, chain W [auth I] MOL2 format, chain AA [auth M] MOL2 format, chain E [auth A] MOL2 format, chain S [auth E] MOL2 format, chain W [auth I]	AA [auth M], E [auth A], S [auth E], W [auth I]	[(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate C₂₅ H₄₉ O₁₉ P₃ XLNCEHRXXWQMPK-MJUMVPIBSA-N		Interactions Focus chain AA [auth M] Focus chain E [auth A] Focus chain S [auth E] Focus chain W [auth I] Interactions & Density Focus chain AA [auth M] Focus chain E [auth A] Focus chain S [auth E] Focus chain W [auth I]
Y01 (Subject of Investigation/LOI) Query on Y01 Download Ideal Coordinates CCD File SDF format, chain BA [auth M] SDF format, chain F [auth A] SDF format, chain T [auth E] SDF format, chain X [auth I] MOL2 format, chain BA [auth M] MOL2 format, chain F [auth A] MOL2 format, chain T [auth E] MOL2 format, chain X [auth I]	BA [auth M], F [auth A], T [auth E], X [auth I]	CHOLESTEROL HEMISUCCINATE C₃₁ H₅₀ O₄ WLNARFZDISHUGS-MIXBDBMTSA-N		Interactions Focus chain BA [auth M] Focus chain F [auth A] Focus chain T [auth E] Focus chain X [auth I] Interactions & Density Focus chain BA [auth M] Focus chain F [auth A] Focus chain T [auth E] Focus chain X [auth I]
K Query on K Download Ideal Coordinates CCD File SDF format, chain G [auth A] SDF format, chain H [auth A] SDF format, chain I [auth A] SDF format, chain J [auth A] SDF format, chain K [auth A] SDF format, chain L [auth A] SDF format, chain M [auth A] SDF format, chain N [auth A] SDF format, chain O [auth A] SDF format, chain P [auth A] SDF format, chain Q [auth A] SDF format, chain V [auth I] SDF format, chain Z [auth M] MOL2 format, chain G [auth A] MOL2 format, chain H [auth A] MOL2 format, chain I [auth A] MOL2 format, chain J [auth A] MOL2 format, chain K [auth A] MOL2 format, chain L [auth A] MOL2 format, chain M [auth A] MOL2 format, chain N [auth A] MOL2 format, chain O [auth A] MOL2 format, chain P [auth A] MOL2 format, chain Q [auth A] MOL2 format, chain V [auth I] MOL2 format, chain Z [auth M]	G [auth A] H [auth A] I [auth A] J [auth A] K [auth A] G [auth A], H [auth A], I [auth A], J [auth A], K [auth A], L [auth A], M [auth A], N [auth A], O [auth A], P [auth A], Q [auth A], V [auth I], Z [auth M]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N		Interactions Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Focus chain K [auth A] Focus chain L [auth A] Focus chain M [auth A] Focus chain N [auth A] Focus chain O [auth A] Focus chain P [auth A] Focus chain Q [auth A] Focus chain V [auth I] Focus chain Z [auth M] Interactions & Density Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Focus chain K [auth A] Focus chain L [auth A] Focus chain M [auth A] Focus chain N [auth A] Focus chain O [auth A] Focus chain P [auth A] Focus chain Q [auth A] Focus chain V [auth I] Focus chain Z [auth M]
NA Query on NA Download Ideal Coordinates CCD File SDF format, chain CA [auth M] SDF format, chain R [auth A] SDF format, chain U [auth E] SDF format, chain Y [auth I] MOL2 format, chain CA [auth M] MOL2 format, chain R [auth A] MOL2 format, chain U [auth E] MOL2 format, chain Y [auth I]	CA [auth M], R [auth A], U [auth E], Y [auth I]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N		Interactions Focus chain CA [auth M] Focus chain R [auth A] Focus chain U [auth E] Focus chain Y [auth I] Interactions & Density Focus chain CA [auth M] Focus chain R [auth A] Focus chain U [auth E] Focus chain Y [auth I]