6KUX

Crystal structures of the alpha2A adrenergic receptor in complex with an antagonist RSC.

• PDB DOI: https://doi.org/10.2210/pdb6KUX/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): No 
• Membrane Protein: Yes  OPMPDBTMMemProtMDmpstruc


• Deposited: 2019-09-02 Released: 2019-12-04 
• Deposition Author(s): Qu, L., Zhou, Q.T., Wu, D., Zhao, S.W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.267 
• R-Value Work: 0.251 
• R-Value Observed: 0.252 

Starting Model: experimental

Literature

Crystal structures of the alpha2A adrenergic receptor in complex with an antagonist RSC.

Qu, L., Zhou, Q.T., Wu, D., Zhao, S.W.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 45.86 kDa 
• Atom Count: 2,979 
• Modelled Residue Count: 375 
• Deposited Residue Count: 395 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
alpha2A adrenergic receptor	A	395	Homo sapiens	Mutation(s): 0  Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P08913 (Homo sapiens) Explore P08913  Go to UniProtKB:  P08913
PHAROS:  P08913 GTEx:  ENSG00000150594

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
E3F	B [auth A]	(8~{a}~{R},12~{a}~{S},13~{a}~{S})-12-ethylsulfonyl-3-methoxy-5,6,8,8~{a},9,10,11,12~{a},13,13~{a}-decahydroisoquinolino[2,1-g][1,6]naphthyridine C19 H28 N2 O3 S UMGBFFAJXFXOIL-MNEFBYGVSA-N
OLA	H [auth A]	OLEIC ACID C18 H34 O2 ZQPPMHVWECSIRJ-KTKRTIGZSA-N
FLC	I [auth A]	CITRATE ANION C6 H5 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-K
PEG	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.267 
• R-Value Work: 0.251 
• R-Value Observed: 0.252 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.17	α = 90
b = 71.79	β = 90
c = 284.31	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-12-04 
Deposition Author(s): Qu, L., Zhou, Q.T., Wu, D., Zhao, S.W.

Revision History  

• Version 1.0: 2019-12-04
  Type: Initial release
  
• Version 1.1: 2020-11-25
  Changes: Source and taxonomy
• Version 1.2: 2023-11-22
  Changes: Data collection, Database references, Refinement description
• Version 1.3: 2024-10-09
  Changes: Structure summary