2E2X	Signaling Protein	date	Nov 18, 2006
title	Sec14 Homology Module Of Neurofibromin In Complex With Phosphatitylethanolamine
authors	I.D'Angelo, S.Welti, K.Scheffzek
compound		source
Molecule: Neurofibromin Chain: A, B Fragment: Nf1 Synonym: Neurofibromin Sec-Ph Segment, Neurofibromatosis- Related Protein Nf-1; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet
symmetry	Space Group: P 41 21 2	R_factor 0.254 R_Free 0.283
crystal cell	length a length b length c angle alpha angle beta angle gamma 110.100 110.100 121.900 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	PEV, POP	enzyme
Primary reference	The sec14 homology module of neurofibromin binds cellular glycerophospholipids: mass spectrometry and structure of a lipid complex., Welti S, Fraterman S, D'Angelo I, Wilm M, Scheffzek K, J Mol Biol. 2007 Feb 16;366(2):551-62. Epub 2006 Nov 18. PMID:17187824

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (91 Kb) [Save to disk] Biological Unit Coordinates (2e2x.pdb1.gz) 86 Kb LPC: Ligand-Protein Contacts for 2E2X CSU: Contacts of Structural Units for 2E2X Likely Quarternary Molecular Structure file(s) for 2E2X Structure Factors (482 Kb) Retrieve 2E2X in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2E2X from S2C, [Save to disk] Re-refined 2e2x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2E2X 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 2E2X

Cartoon representation from PDB Cartoon 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 Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 2E2X, from MSDmotif at EBI Fold representative 2e2x from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2e2x_A] [2e2x_B] SWISS-PROT database: [P21359] Domain organization of [NF1_HUMAN] by SWISSPFAM Domain found in 2E2X: [SEC14 ] by SMART Alignments of the sequence of 2E2X with the sequences similar proteins can be viewed for 2E2X's classification [NF1_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [NF1_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 2E2X

Community annotation for 2E2X at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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