2X11	Receptor Signaling Protein	date	Dec 21, 2009
title	Crystal Structure Of The Complete Epha2 Ectodomain In Comple Ephrin A5 Receptor Binding Domain
authors	E.Seiradake, K.Harlos, G.Sutton, A.R.Aricescu, E.Y.Jones
compound		source
Molecule: Ephrin Type-A Receptor 2 Chain: A Fragment: Ectodomain, Residues 27-534 Synonym: Tyrosine-Protein Kinase Receptor Eck, Epithelial C Kinase, Epha2; Ec: 2.7.10.1 Engineered: Yes Other_details: Nag On Asn407, Di-Methylation Of Lysines		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Homo Sapiens Expression_system_common: Human Expression_system_taxid: 9606 Expression_system_variant: Gnti-Deficient Expression_system_cell_line: Hek293 Expression_system_plasmid: Phlsec
Molecule: Ephrin-A5 Chain: B Fragment: Receptor Binding Domain, Residues 26-166 Synonym: Eph-Related Receptor Tyrosine Kinase Ligand 7, Ler Human Ephrin A5; 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_variant: Gnti-Deficient Expression_system_cell_line: Hek293 Expression_system_plasmid: Phlsec
symmetry	Space Group: P 2 2 21	R_factor 0.312 R_Free 0.314
crystal cell	length a length b length c angle alpha angle beta angle gamma 173.630 59.630 112.160 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	4.83 Å
ligand		enzyme	Transferase E.C.2.7.10.1 BRENDA
Gene Ontology	Chain Function Process Component A B
Primary reference	An extracellular steric seeding mechanism for Eph-ephrin signaling platform assembly., Seiradake E, Harlos K, Sutton G, Aricescu AR, Jones EY, Nat Struct Mol Biol. 2010 Apr;17(4):398-402. Epub 2010 Mar 14. PMID:20228801

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (213 Kb) [Save to disk] Biological Unit Coordinates (2x11.pdb1.gz) 208 Kb CSU: Contacts of Structural Units for 2X11 Structure Factors (88 Kb) Retrieve 2X11 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2X11 from S2C, [Save to disk] Re-refined 2x11 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2X11 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 2X11

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2X11, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2x11_A] [2x11] [2x11_B] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 2X11: [EGF_like] [EPH_lbd] [FN3 ] by SMART

Other resources with information on 2X11

Community annotation for 2X11 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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