7EKT

human alpha 7 nicotinic acetylcholine receptor bound to EVP-6124 and PNU-120596

PDB DOI: https://doi.org/10.2210/pdb7EKT/pdb
EM Map EMD-31176: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Homo sapiens
Expression System: Homo sapiens
Mutation(s): No
Membrane Protein: Yes OPMPDBTMMemProtMDmpstruc

Deposited: 2021-04-06 Released: 2021-05-19
Deposition Author(s): Liu, S., Zhao, Y., Sun, D., Tian, C.

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.02 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

This is version 1.2 of the entry. See complete history.

Literature

Structural basis of human alpha 7 nicotinic acetylcholine receptor activation.

Zhao, Y., Liu, S., Zhou, Y., Zhang, M., Chen, H., Eric Xu, H., Sun, D., Liu, L., Tian, C.

(2021) Cell Res 31: 713-716

PubMed: 33958730 Search on PubMedSearch on PubMed Central
DOI: https://doi.org/10.1038/s41422-021-00509-6
Primary Citation of Related Structures:
7EKI, 7EKP, 7EKT

Organizational Affiliation

Hefei National Laboratory of Physical Sciences at Microscale, Anhui Laboratory of Advanced Photonic Science and Technology, and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui, China.

Macromolecule Content

Total Structure Weight: 290.85 kDa
Atom Count: 16,195
Modelled Residue Count: 1,980
Deposited Residue Count: 2,510
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Neuronal acetylcholine receptor subunit alpha-7	A, B, C, D, E	502	Homo sapiens	Mutation(s): 0 Gene Names: CHRNA7, NACHRA7 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P36544 (Homo sapiens) Explore P36544 Go to UniProtKB: P36544
PHAROS: P36544 GTEx: ENSG00000175344
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P36544
Glycosylation
Glycosylation Sites: 2	Glycosylation Focus chain A Focus chain B Focus chain C Focus chain D Focus chain E	Go to GlyGen: P36544-1
Sequence Annotations Expand
Reference Sequence

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	F, G, H, I, J	2		N-Glycosylation	Interactions Focus chain F Focus chain G Focus chain H Focus chain I Focus chain J Interactions & Density Focus chain F Focus chain G Focus chain H Focus chain I Focus chain J
Glycosylation Resources
GlyTouCan: G42666HT GlyCosmos: G42666HT GlyGen: G42666HT

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
CLR Query on CLR Download Ideal Coordinates CCD File SDF format, chain DA [auth E] SDF format, chain L [auth A] SDF format, chain R [auth B] SDF format, chain V [auth C] SDF format, chain Z [auth D] MOL2 format, chain DA [auth E] MOL2 format, chain L [auth A] MOL2 format, chain R [auth B] MOL2 format, chain V [auth C] MOL2 format, chain Z [auth D] mmCIF format, chain DA [auth E] mmCIF format, chain L [auth A] mmCIF format, chain R [auth B] mmCIF format, chain V [auth C] mmCIF format, chain Z [auth D]	DA [auth E], L [auth A], R [auth B], V [auth C], Z [auth D]	CHOLESTEROL C₂₇ H₄₆ O HVYWMOMLDIMFJA-DPAQBDIFSA-N		Interactions Focus chain DA [auth E] Focus chain L [auth A] Focus chain R [auth B] Focus chain V [auth C] Focus chain Z [auth D] Interactions & Density Focus chain DA [auth E] Focus chain L [auth A] Focus chain R [auth B] Focus chain V [auth C] Focus chain Z [auth D]
I33 (Subject of Investigation/LOI) Query on I33 Download Ideal Coordinates CCD File SDF format, chain AA [auth E] SDF format, chain M [auth A] SDF format, chain O [auth B] SDF format, chain S [auth C] SDF format, chain W [auth D] MOL2 format, chain AA [auth E] MOL2 format, chain M [auth A] MOL2 format, chain O [auth B] MOL2 format, chain S [auth C] MOL2 format, chain W [auth D] mmCIF format, chain AA [auth E] mmCIF format, chain M [auth A] mmCIF format, chain O [auth B] mmCIF format, chain S [auth C] mmCIF format, chain W [auth D]	AA [auth E], M [auth A], O [auth B], S [auth C], W [auth D]	7-chloro-N-(quinuclidin-3-yl)benzo[b]thiophene-2-carboxamide C₁₆ H₁₇ Cl N₂ O S SSRDSYXGYPJKRR-ZDUSSCGKSA-N		Interactions Focus chain AA [auth E] Focus chain M [auth A] Focus chain O [auth B] Focus chain S [auth C] Focus chain W [auth D] Interactions & Density Focus chain AA [auth E] Focus chain M [auth A] Focus chain O [auth B] Focus chain S [auth C] Focus chain W [auth D]
I34 (Subject of Investigation/LOI) Query on I34 Download Ideal Coordinates CCD File SDF format, chain BA [auth E] SDF format, chain N [auth A] SDF format, chain P [auth B] SDF format, chain T [auth C] SDF format, chain X [auth D] MOL2 format, chain BA [auth E] MOL2 format, chain N [auth A] MOL2 format, chain P [auth B] MOL2 format, chain T [auth C] MOL2 format, chain X [auth D] mmCIF format, chain BA [auth E] mmCIF format, chain N [auth A] mmCIF format, chain P [auth B] mmCIF format, chain T [auth C] mmCIF format, chain X [auth D]	BA [auth E], N [auth A], P [auth B], T [auth C], X [auth D]	N-(5-Chloro-2,4-dimethoxyphenyl)-N'-(5-methyl-3-isoxazolyl)-urea C₁₃ H₁₄ Cl N₃ O₄ CEIIEALEIHQDBX-UHFFFAOYSA-N		Interactions Focus chain BA [auth E] Focus chain N [auth A] Focus chain P [auth B] Focus chain T [auth C] Focus chain X [auth D] Interactions & Density Focus chain BA [auth E] Focus chain N [auth A] Focus chain P [auth B] Focus chain T [auth C] Focus chain X [auth D]
NAG Query on NAG Download Ideal Coordinates CCD File SDF format, chain CA [auth E] SDF format, chain K [auth A] SDF format, chain Q [auth B] SDF format, chain U [auth C] SDF format, chain Y [auth D] MOL2 format, chain CA [auth E] MOL2 format, chain K [auth A] MOL2 format, chain Q [auth B] MOL2 format, chain U [auth C] MOL2 format, chain Y [auth D] mmCIF format, chain CA [auth E] mmCIF format, chain K [auth A] mmCIF format, chain Q [auth B] mmCIF format, chain U [auth C] mmCIF format, chain Y [auth D]	CA [auth E], K [auth A], Q [auth B], U [auth C], Y [auth D]	2-acetamido-2-deoxy-beta-D-glucopyranose C₈ H₁₅ N O₆ OVRNDRQMDRJTHS-FMDGEEDCSA-N		Interactions Focus chain CA [auth E] Focus chain K [auth A] Focus chain Q [auth B] Focus chain U [auth C] Focus chain Y [auth D] Interactions & Density Focus chain CA [auth E] Focus chain K [auth A] Focus chain Q [auth B] Focus chain U [auth C] Focus chain Y [auth D]

Binding Affinity Annotations
ID	Source	Binding Affinity
I33	BindingDB: 7EKT	Ki: min: 4.3, max: 9.98 (nM) from 2 assay(s)
I33	BindingDB: 7EKT	EC50: min: 250, max: 390 (nM) from 3 assay(s)
I34	BindingDB: 7EKT	EC50: min: 158.49, max: 3800 (nM) from 4 assay(s)

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.02 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

Structure Validation

View Full Validation Report

Entry History

Deposition Data

Released Date: 2021-05-19

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2021-05-19
Type: Initial release
Version 1.1: 2021-06-16
Changes: Database references
Version 1.2: 2024-11-20
Changes: Data collection, Database references, Structure summary