2QKH	Signaling Protein Hormone	date	Jul 11, 2007
title	Crystal Structure Of The Extracellular Domain Of Human Gip R Complex With The Hormone Gip
authors	C.Parthier, M.Kleinschmidt, P.Neumann, R.Rudolph, S.Manhart, D.Sc J.Fanghanel, J.U.Rahfeld, H.U.Demuth, M.T.Stubbs
compound		source
Molecule: Glucose-Dependent Insulinotropic Polypeptide Chain: B Fragment: Sequence Database Residues 52-93 Synonym: Gastric Inhibitory Polypeptide, Gip Engineered: Yes		Synthetic: Yes Other_details: The Peptide Is Naturally Found In Homo Sapie (Human).;
Molecule: Glucose-Dependent Insulinotropic Polypeptide Rece Chain: A Fragment: Extracellular Domain, Residues 29-138 Synonym: Gastric Inhibitory Polypeptide Receptor, Gip-R Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Gipr Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-28a
symmetry	Space Group: H 3 2	R_factor 0.166 R_Free 0.183
crystal cell	length a length b length c angle alpha angle beta angle gamma 84.007 84.007 180.947 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	GLC, TAR, ZB0, ZB1, ZB2, ZB3	enzyme
note	2QKH is a representative structure
Gene Ontology	Chain Function Process Component A B
Primary reference	Crystal structure of the incretin-bound extracellular domain of a G protein-coupled receptor., Parthier C, Kleinschmidt M, Neumann P, Rudolph R, Manhart S, Schlenzig D, Fanghanel J, Rahfeld JU, Demuth HU, Stubbs MT, Proc Natl Acad Sci U S A. 2007 Aug 28;104(35):13942-7. Epub 2007 Aug 21. PMID:17715056

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (55 Kb) [Save to disk] Biological Unit Coordinates (2qkh.pdb1.gz) 48 Kb LPC: Ligand-Protein Contacts for 2QKH CSU: Contacts of Structural Units for 2QKH Likely Quarternary Molecular Structure file(s) for 2QKH Structure Factors (11404 Kb) Retrieve 2QKH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QKH from S2C, [Save to disk] Re-refined 2qkh structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QKH 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 2QKH

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 2QKH, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qkh] [2qkh_B] [2qkh_A] SWISS-PROT database: [P48546] [P09681] Belongs to the g-protein-coupled receptor (gpcr) family according to TCDB. Domain organization of [GIPR_HUMAN] [GIP_HUMAN] by SWISSPFAM Domains found in 2QKH: [GLUCA] [HormR ] by SMART

Other resources with information on 2QKH

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

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