2XDG	Signaling Protein	date	Apr 30, 2010
title	Crystal Structure Of The Extracellular Domain Of Human Growth Hormone Releasing Hormone Receptor.
authors	A.C.W.Pike, A.Quigley, A.J.Barr, N.Burgess Brown, L.Shrestha, J.Y A.Chaikuad, M.Vollmar, J.R.C.Muniz, F.Von Delft, A.Edwards, C.H.Arrowsmith, J.Weigelt, C.Bountra, E.P.Carpenter
compound		source
Molecule: Growth Hormone-Releasing Hormone Receptor Chain: A, B Fragment: Extracellular Domain, Residues 34-123 Synonym: Ghrh Receptor, Growth Hormone-Releasing Factor Grf Receptor, Grfr; Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Spodoptera Frugiperda Expression_system_taxid: 7108 Expression_system_cell_line: Sf9 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pfb-Sec-Nh
symmetry	Space Group: P 61	R_factor 0.16451 R_Free 0.22288
crystal cell	length a length b length c angle alpha angle beta angle gamma 31.648 31.648 287.138 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.95 Å
ligand	EDO, MG	enzyme
note	2XDG is a representative structure

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (64 Kb) [Save to disk] Biological Unit Coordinates (2xdg.pdb1.gz) 57 Kb Biological Unit Coordinates (2xdg.pdb2.gz) 30 Kb Biological Unit Coordinates (2xdg.pdb3.gz) 29 Kb LPC: Ligand-Protein Contacts for 2XDG CSU: Contacts of Structural Units for 2XDG Structure Factors (445 Kb) Retrieve 2XDG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2XDG from S2C, [Save to disk] Re-refined 2xdg structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2XDG 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 2XDG

Cartoon representation from PDB Cartoon Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 2XDG, from MSDmotif at EBI Fold representative 2xdg from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2xdg_A] [2xdg_B] SWISS-PROT database: Domain organization of by SWISSPFAM Alignments of the sequence of 2XDG with the sequences similar proteins can be viewed for 2XDG'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 2XDG

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

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

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