3CZU	Transferase Signaling Protein	date	Apr 30, 2008
title	Crystal Structure Of The Human Ephrin A2- Ephrin A1 Complex
authors	J.R.Walker, L.Yermekbayeva, A.Seitova, C.Butler-Cole, C.Bountra, M.Wikstrom, C.H.Arrowsmith, A.M.Edwards, A.Bochkarev, S.Dhe-Pag Structural Genomics Consortium (Sgc)
compound		source
Molecule: Ephrin Type-A Receptor 2 Chain: A Fragment: Ligand Binding Domain: Residues 23-202 Synonym: Tyrosine-Protein Kinase Receptor Eck, Epithelial C Kinase; Ec: 2.7.10.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_taxid: 9606 Gene: Epha2, Eck Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_strain: Sf9 Expression_system_vector_type: Plasmid Expression_system_vector: Baculovirus Expression_system_plasmid: Pfhmsp-Lic-N
Molecule: Ephrin-A1 Chain: B Fragment: Residues 17-171 Synonym: Eph-Related Receptor Tyrosine Kinase Ligand 1, Ler Immediate Early Response Protein B61, Tumor Necrosis Factor Induced Protein 4; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_taxid: 9606 Gene: Efna1, Eplg1, Lerk1, Tnfaip4 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_strain: Sf9 Expression_system_vector_type: Plasmid Expression_system_vector: Baculovirus Expression_system_plasmid: Pfhmsp-Lic-N
symmetry	Space Group: P 65 2 2	R_factor 0.193 R_Free 0.225
crystal cell	length a length b length c angle alpha angle beta angle gamma 99.431 99.431 204.879 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.65 Å
ligand	MAN, NAG	enzyme	Transferase E.C.2.7.10.1 BRENDA
Gene Ontology	Chain Function Process Component A B
Primary reference	Architecture of Eph receptor clusters., Himanen JP, Yermekbayeva L, Janes PW, Walker JR, Xu K, Atapattu L, Rajashankar KR, Mensinga A, Lackmann M, Nikolov DB, Dhe-Paganon S, Proc Natl Acad Sci U S A. 2010 May 26. PMID:20505120

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (116 Kb) [Save to disk] Biological Unit Coordinates (3czu.pdb1.gz) 107 Kb LPC: Ligand-Protein Contacts for 3CZU CSU: Contacts of Structural Units for 3CZU Likely Quarternary Molecular Structure file(s) for 3CZU Structure Factors (268 Kb) Retrieve 3CZU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3CZU from S2C, [Save to disk] Re-refined 3czu structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3CZU 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 3CZU

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 3CZU, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3czu_A] [3czu] [3czu_B] SWISS-PROT database: [P20827] [P29317] Domain organization of [EFNA1_HUMAN] [EPHA2_HUMAN] by SWISSPFAM Domain found in 3CZU: [EPH_lbd ] by SMART

Other resources with information on 3CZU

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

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