2AJF	Hydrolase Viral Protein	date	Aug 01, 2005
title	Structure Of Sars Coronavirus Spike Receptor-Binding Domain With Its Receptor
authors	F.Li, W.Li, M.Farzan, S.C.Harrison
compound		source
Molecule: Angiotensin-Converting Enzyme-Related Carboxypept (Ace2); Chain: A, B Fragment: Residues 19-615 Synonym: Ace-Related Carboxypeptidase, Angiotensin-Converti Homolog, Aceh; Ec: 3.4.17.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Ace2 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_cell_line: Sf9 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pfastbac 1
Molecule: Sars-Coronavirus Spike Protein Chain: E, F Fragment: Receptor-Binding Domain, Residues 323-502 Synonym: Spike Glycoprotein, Peplomer Protein, E2 Engineered: Yes		Organism_scientific: Sars Coronavirus Organism_taxid: 227859 Strain: Sars Gene: S Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_cell_line: Sf9 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pfastbac 1
symmetry	Space Group: P 1 21 1	R_factor 0.218 R_Free 0.275
crystal cell	length a length b length c angle alpha angle beta angle gamma 82.299 119.429 113.237 90.00 91.97 90.00
method	X-Ray Diffraction	resolution	2.90 Å
ligand	BMA, CL, NAG, ZN	enzyme	Hydrolase E.C.3.4.17 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure of SARS coronavirus spike receptor-binding domain complexed with receptor., Li F, Li W, Farzan M, Harrison SC, Science. 2005 Sep 16;309(5742):1864-8. PMID:16166518

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (262 Kb) [Save to disk] Biological Unit Coordinates (2ajf.pdb1.gz) 129 Kb Biological Unit Coordinates (2ajf.pdb2.gz) 128 Kb LPC: Ligand-Protein Contacts for 2AJF CSU: Contacts of Structural Units for 2AJF Likely Quarternary Molecular Structure file(s) for 2AJF Structure Factors (292 Kb) Retrieve 2AJF in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2AJF from S2C, [Save to disk] Re-refined 2ajf structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2AJF 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 2AJF

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 2AJF, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ajf_A] [2ajf] [2ajf_B] [2ajf_E] [2ajf_F] SWISS-PROT database: [Q9BYF1] [P59594] Domain organization of [ACE2_HUMAN] [SPIKE_CVHSA] by SWISSPFAM

Other resources with information on 2AJF

Community annotation for 2AJF at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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