2WO3	Transferase Signaling Protein	date	Jul 21, 2009
title	Crystal Structure Of The Epha4-Ephrina2 Complex
authors	T.A.Bowden, A.R.Aricescu, J.E.Nettleship, C.Siebold, N.Rahman-Hu R.J.Owens, D.I.Stuart, E.Y.Jones
compound		source
Molecule: Ephrin Type-A Receptor Chain: A Fragment: Ephrin Ligand Binding Domain, Residues 30-202 Synonym: Tyrosine-Protein Kinase Receptor Sek, Receptor Pro Tyrosine Kinase Hek8, Tyrosine-Protein Kinase Tyro1; Ec: 2.7.10.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Homo Sapiens Expression_system_common: Human Expression_system_taxid: 9606 Expression_system_cell_line: Hek293t Expression_system_plasmid: Phlsec
Molecule: Ephrin-A2 Chain: B Fragment: Eph Receptor Binding Domain, Residues 33-177 Synonym: Eph-Related Receptor Tyrosine Kinase Ligand 6, Hek Lerk-6, Hek7-L; Engineered: Yes Mutation: Yes Other_details: N-Acetylglucosamine Linkages Observed In Str Asn 42		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Homo Sapiens Expression_system_common: Human Expression_system_taxid: 9606 Expression_system_cell_line: Hek293t Expression_system_plasmid: Phlsec
symmetry	Space Group: P 64	R_factor 0.198 R_Free 0.246
crystal cell	length a length b length c angle alpha angle beta angle gamma 115.412 115.412 59.354 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.35 Å
ligand	NAG	enzyme	Transferase E.C.2.7.10.1 BRENDA
Gene Ontology	Chain Function Process Component B
Primary reference	Structural plasticity of eph receptor A4 facilitates cross-class ephrin signaling., Bowden TA, Aricescu AR, Nettleship JE, Siebold C, Rahman-Huq N, Owens RJ, Stuart DI, Jones EY, Structure. 2009 Oct 14;17(10):1386-97. PMID:19836338

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (61 Kb) [Save to disk] Biological Unit Coordinates (2wo3.pdb1.gz) 56 Kb LPC: Ligand-Protein Contacts for 2WO3 CSU: Contacts of Structural Units for 2WO3 Structure Factors (256 Kb) Retrieve 2WO3 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2WO3 from S2C, [Save to disk] Re-refined 2wo3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2WO3 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 2WO3

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 2WO3, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2wo3_B] [2wo3] [2wo3_A] SWISS-PROT database: [O43921] [P54764] Domain organization of [EFNA2_HUMAN] [EPHA4_HUMAN] by SWISSPFAM Domain found in 2WO3: [EPH_lbd ] by SMART

Other resources with information on 2WO3

Community annotation for 2WO3 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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