1M5B	Membrane Protein	date	Jul 09, 2002
title	X-Ray Structure Of The Glur2 Ligand Binding Core (S1s2j) In With 2-Me-Tet-Ampa At 1.85 A Resolution.
authors	A.Hogner, J.S.Kastrup, R.Jin, T.Liljefors, M.L.Mayer, J.Egebjerg, I.K.Larsen, E.Gouaux
compound		source
Molecule: Glutamate Receptor 2 Chain: A, B, C Fragment: Flop Ligand Binding Core (S1s2j) Synonym: Glur-2, Glur-B, Glur-K2, Glutamate Receptor Ionotr 2; Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Gene: Glur-2 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet30b
symmetry	Space Group: P 21 21 2	R_factor 0.196 R_Free 0.234
crystal cell	length a length b length c angle alpha angle beta angle gamma 114.410 164.330 47.310 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.85 Å
ligand	BN1, ZN BindingDB	enzyme
related structures	by homologous chain: 1NNK, 1XHY
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Structural basis for AMPA receptor activation and ligand selectivity: crystal structures of five agonist complexes with the GluR2 ligand-binding core., Hogner A, Kastrup JS, Jin R, Liljefors T, Mayer ML, Egebjerg J, Larsen IK, Gouaux E, J Mol Biol 2002 Sep 6;322(1):93-109. PMID:12215417

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (154 Kb) [Save to disk] Biological Unit Coordinates (1m5b.pdb1.gz) 98 Kb Biological Unit Coordinates (1m5b.pdb2.gz) 104 Kb Biological Unit Coordinates (1m5b.pdb3.gz) 148 Kb LPC: Ligand-Protein Contacts for 1M5B CSU: Contacts of Structural Units for 1M5B Likely Quarternary Molecular Structure file(s) for 1M5B Structure Factors (578 Kb) Retrieve 1M5B in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1M5B from S2C, [Save to disk] Re-refined 1m5b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1M5B 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 1M5B

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 1M5B, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1m5ba_, region A [Jmol] [rasmolscript] [script source]     - Domain d1m5bb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1m5bc_, region C [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1m5b_C] [1m5b_B] [1m5b_A] [1m5b] SWISS-PROT database: [P19491] Domain organization of [GRIA2_RAT] by SWISSPFAM Domains found in 1M5B: [Lig_chan-Glu_bd] [PBPb] [PBPe ] by SMART

Other resources with information on 1M5B

Community annotation for 1M5B at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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