3QAK	Signaling Protein, Hydrolase	date	Jan 11, 2011
title	Agonist Bound Structure Of The Human Adenosine A2a Receptor
authors	F.Xu, H.Wu, V.Katritch, G.W.Han, V.Cherezov, R.Stevens, Gpcr Netwo
compound		source
Molecule: Adenosine Receptor A2a,Lysozyme Chimera Chain: A Synonym: Endolysin, Lysis Protein, Muramidase Ec: 3.2.1.17 Engineered: Yes		Organism_scientific: Homo Sapien, Enterobacteria Phage T4 Organism_taxid: 9606, 10665 Gene: Adora2, Adora2a, E Expression_system: Spodoptera Frugiperda Expression_system_taxid: 7108 Expression_system_vector_type: Plasmid Expression_system_vector: Pbac5b-830400
symmetry	Space Group: P 1 21 1	R_factor 0.217 R_Free 0.273
crystal cell	length a length b length c angle alpha angle beta angle gamma 47.836 78.944 86.579 90.00 100.54 90.00
method	X-Ray Diffraction	resolution	2.71 Å
ligand	OLC, UKA BindingDB	enzyme	Hydrolase E.C.3.2.1.17 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Structure of an agonist-bound human A2A adenosine receptor., Xu F, Wu H, Katritch V, Han GW, Jacobson KA, Gao ZG, Cherezov V, Stevens RC, Science. 2011 Apr 15;332(6027):322-7. Epub 2011 Mar 10. PMID:21393508

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (154 Kb) [Save to disk] Biological Unit Coordinates (3qak.pdb1.gz) 148 Kb LPC: Ligand-Protein Contacts for 3QAK CSU: Contacts of Structural Units for 3QAK Structure Factors (254 Kb) Retrieve 3QAK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3QAK from S2C, [Save to disk] Re-refined 3qak structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3QAK in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 3QAK

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3QAK, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3qak_A] [3qak] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3QAK

Community annotation for 3QAK at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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