2XG7	Antiviral Protein	date	May 31, 2010
title	Crystal Structure Of Bst2-Tetherin Ectodomain Expressed In Hek293t Cells
authors	R.A.Steiner
compound		source
Molecule: Bone Marrow Stromal Antigen 2 Chain: A, C Fragment: Ectodomain, Residues 51-151 Synonym: Bst2, Tetherin, Hm1.24 Antigen, Cd317 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Homo Sapiens Expression_system_taxid: 9606 Expression_system_cell_line: Hek293t Expression_system_cell: Human Embryonic Kidney Cells Expression_system_plasmid: Phlsec
symmetry	Space Group: P 21 21 21	R_factor 0.26912 R_Free 0.29795
crystal cell	length a length b length c angle alpha angle beta angle gamma 28.860 91.860 146.960 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.45 Å
ligand	NAG	enzyme
Primary reference	Structural and functional studies on the extracellular domain of BST2/tetherin in reduced and oxidized conformations., Schubert HL, Zhai Q, Sandrin V, Eckert DM, Garcia-Maya M, Saul L, Sundquist WI, Steiner RA, Hill CP, Proc Natl Acad Sci U S A. 2010 Sep 29. PMID:20880831

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (59 Kb) [Save to disk] Biological Unit Coordinates (2xg7.pdb1.gz) 54 Kb LPC: Ligand-Protein Contacts for 2XG7 CSU: Contacts of Structural Units for 2XG7 Structure Factors (80 Kb) Retrieve 2XG7 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2XG7 from S2C, [Save to disk] Re-refined 2xg7 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2XG7 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 2XG7

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 2XG7, from MSDmotif at EBI Fold representative 2xg7 from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2xg7_A] [2xg7_C] SWISS-PROT database: Domain organization of by SWISSPFAM Alignments of the sequence of 2XG7 with the sequences similar proteins can be viewed for 2XG7's classification 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 at ProtoMap. Click on the Cluster number.

Other resources with information on 2XG7

Community annotation for 2XG7 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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