3PEO

Crystal structure of acetylcholine binding protein complexed with metocurine

PDB DOI: https://doi.org/10.2210/pdb3PEO/pdb

Classification: CHOLINE-BINDING PROTEIN
Organism(s): Aplysia californica
Expression System: Homo sapiens
Mutation(s): No

Deposited: 2010-10-27 Released: 2011-10-12
Deposition Author(s): Talley, T.T., Harel, M., Yamauchi, G.J., Radic, Z., Hansen, S., Huxford, T., Taylor, P.W.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.10 Å
R-Value Free:
0.255 (Depositor), 0.250 (DCC)
R-Value Work:
0.208 (Depositor), 0.210 (DCC)
R-Value Observed:
0.208 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.3 of the entry. See complete history.

Literature

The curare alkaloids: analyzing the poses of complexes with the acetylcholine binding protein in relation to structure and binding energetics

Talley, T.T., Harel, M., Yamauchi, G.J., Radic, Z., Hansen, S., Huxford, T., Taylor, P.W.

To be published.

Macromolecule Content

Total Structure Weight: 264.9 kDa
Atom Count: 18,224
Modelled Residue Count: 2,062
Deposited Residue Count: 2,280
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Soluble acetylcholine receptor	A, B, C, D, E A, B, C, D, E, F, G, H, I, J	228	Aplysia californica	Mutation(s): 0
UniProt
Find proteins for Q8WSF8 (Aplysia californica) Explore Q8WSF8 Go to UniProtKB: Q8WSF8
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q8WSF8
Sequence Annotations Expand
Reference Sequence LOADING

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
CU9 Query on CU9 Download Ideal Coordinates CCD File SDF format, chain K [auth A] SDF format, chain L [auth B] SDF format, chain M [auth C] SDF format, chain N [auth D] SDF format, chain O [auth F] SDF format, chain P [auth F] SDF format, chain Q [auth H] SDF format, chain R [auth J] MOL2 format, chain K [auth A] MOL2 format, chain L [auth B] MOL2 format, chain M [auth C] MOL2 format, chain N [auth D] MOL2 format, chain O [auth F] MOL2 format, chain P [auth F] MOL2 format, chain Q [auth H] MOL2 format, chain R [auth J] mmCIF format, chain K [auth A] mmCIF format, chain L [auth B] mmCIF format, chain M [auth C] mmCIF format, chain N [auth D] mmCIF format, chain O [auth F] mmCIF format, chain P [auth F] mmCIF format, chain Q [auth H] mmCIF format, chain R [auth J]	K [auth A] L [auth B] M [auth C] N [auth D] O [auth F] K [auth A], L [auth B], M [auth C], N [auth D], O [auth F], P [auth F], Q [auth H], R [auth J]	6,6',7',12'-tetramethoxy-2,2,2',2'-tetramethyltubocuraran-2,2'-diium C₄₀ H₄₈ N₂ O₆ JFXBEKISTKFVAB-AJQTZOPKSA-N		Interactions Focus chain K [auth A] Focus chain L [auth B] Focus chain M [auth C] Focus chain N [auth D] Focus chain O [auth F] Focus chain P [auth F] Focus chain Q [auth H] Focus chain R [auth J] Interactions & Density Focus chain K [auth A] Focus chain L [auth B] Focus chain M [auth C] Focus chain N [auth D] Focus chain O [auth F] Focus chain P [auth F] Focus chain Q [auth H] Focus chain R [auth J]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.10 Å
R-Value Free: 0.255 (Depositor), 0.250 (DCC)
R-Value Work: 0.208 (Depositor), 0.210 (DCC)
R-Value Observed: 0.208 (Depositor)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 124.699	α = 90
b = 147.574	β = 90
c = 148.857	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

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Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2011-10-12

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2011-10-12
Type: Initial release
Version 1.1: 2021-03-31
Changes: Database references, Derived calculations, Source and taxonomy, Structure summary
Version 1.2: 2023-09-06
Changes: Data collection, Database references, Refinement description
Version 1.3: 2024-10-09
Changes: Structure summary