PDB Short entry for 1NNK HEADER MEMBRANE PROTEIN 14-JAN-03 1NNK TITLE X-RAY STRUCTURE OF THE GLUR2 LIGAND-BINDING CORE (S1S2J) IN COMPLEX TITLE 2 WITH (S)-ATPA AT 1.85 A RESOLUTION. CRYSTALLIZATION WITH ZINC IONS. COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLUTAMATE RECEPTOR 2; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: GLUR2-FLOP LIGAND-BINDING CORE (S1S2J); COMPND 5 SYNONYM: GLUR-2, GLUR-B, GLUTAMATE RECEPTOR IONOTROPIC AMPA 2; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET30B KEYWDS IONOTROPIC GLUTAMATE RECEPTOR GLUR2, LIGAND-BINDING CORE, AGONIST KEYWDS 2 COMPLEX, MEMBRANE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.-L.LUNN,A.HOGNER,T.B.STENSBOL,E.GOUAUX,J.EGEBJERG,J.S.KASTRUP REVDAT 4 16-AUG-17 1NNK 1 SOURCE REMARK REVDAT 3 13-JUL-11 1NNK 1 VERSN REVDAT 2 24-FEB-09 1NNK 1 VERSN REVDAT 1 04-MAR-03 1NNK 0 JRNL AUTH M.L.LUNN,A.HOGNER,T.B.STENSBOL,E.GOUAUX,J.EGEBJERG, JRNL AUTH 2 J.S.KASTRUP JRNL TITL THREE-DIMENSIONAL STRUCTURE OF THE LIGAND-BINDING CORE OF JRNL TITL 2 GLUR2 IN COMPLEX WITH THE AGONIST (S)-ATPA: IMPLICATIONS FOR JRNL TITL 3 RECEPTOR SUBUNIT SELECTIVITY. JRNL REF J.MED.CHEM. V. 46 872 2003 JRNL REFN ISSN 0022-2623 JRNL PMID 12593667 JRNL DOI 10.1021/JM021020+ REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.HOGNER,J.S.KASTRUP,R.JIN,T.LILJEFORS,M.L.MAYER,J.EGEBJERG, REMARK 1 AUTH 2 I.LARSEN,E.GOUAUX REMARK 1 TITL STRUCTURAL BASIS FOR AMPA RECEPTOR ACTIVATION AND LIGAND REMARK 1 TITL 2 SELECTIVITY: CRYSTAL STRUCTURES OF FIVE AGONIST COMPLEXES REMARK 1 TITL 3 WITH THE GLUR2 LIGAND BINDING CORE. REMARK 1 REF J.MOL.BIOL. V. 322 93 2002 REMARK 1 REFN ISSN 0022-2836 REMARK 1 DOI 10.1016/S0022-2836(02)00650-2 REMARK 1 REFERENCE 2 REMARK 1 AUTH N.ARMSTRONG,E.GOUAUX REMARK 1 TITL MECHANISMS FOR ACTIVATION AND ANTAGONISM OF AN REMARK 1 TITL 2 AMPA-SENSITIVE GLUTAMATE RECEPTOR: CRYSTAL STRUCTURES OF THE REMARK 1 TITL 3 GLUR2 LIGAND BINDING CORE. REMARK 1 REF NEURON V. 28 165 2000 REMARK 1 REFN ISSN 0896-6273 REMARK 1 DOI 10.1016/S0896-6273(00)00094-5 REMARK 1 REFERENCE 3 REMARK 1 AUTH Y.SUN,R.OLSON,M.HORNING,N.ARMSTRONG,M.MAYER,E.GOUAUX REMARK 1 TITL MECHANISM OF GLUTAMATE RECEPTOR DESENSITIZATION. REMARK 1 REF NATURE V. 417 245 2002 REMARK 1 REFN ISSN 0028-0836 REMARK 1 DOI 10.1038/417245A REMARK 1 REFERENCE 4 REMARK 1 AUTH G.Q.CHEN,R.SUN,R.JIN,E.GOUAUX REMARK 1 TITL PROBING THE LIGAND BINDING DOMAIN OF THE GLUR2 RECEPTOR BY REMARK 1 TITL 2 PROTEOLYSIS AND DELETION MUTAGENESIS DEFINES DOMAIN REMARK 1 TITL 3 BOUNDARIES AND YIELDS A CRYSTALLIZABLE CONSTRUCT. REMARK 1 REF PROTEIN SCI. V. 7 2623 1998 REMARK 1 REFN ISSN 0961-8368 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.99 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.5 REMARK 3 NUMBER OF REFLECTIONS : 22974 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.207 REMARK 3 FREE R VALUE : 0.245 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 3.000 REMARK 3 FREE R VALUE TEST SET COUNT : 682 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.009 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.85 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.97 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 83.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3300 REMARK 3 BIN R VALUE (WORKING SET) : 0.2650 REMARK 3 BIN FREE R VALUE : 0.2930 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 2.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 100 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.029 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2018 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 19 REMARK 3 SOLVENT ATOMS : 179 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.04000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.34000 REMARK 3 B13 (A**2) : -0.29000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.20 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.26 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.25 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.860 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 3.890 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 5.120 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 6.690 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 9.370 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.42 REMARK 3 BSOL : 48.77 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE FIRST THREE N-TERMINAL RESIDUES AND REMARK 3 THE LAST TWO C-TERMINAL RESIDUES WERE NOT LOCATED IN THE REMARK 3 ELECTRON DENSITY MAP. REMARK 4 REMARK 4 1NNK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-JAN-03. REMARK 100 THE DEPOSITION ID IS D_1000018036. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-MAR-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MAX II REMARK 200 BEAMLINE : I711 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08350 REMARK 200 MONOCHROMATOR : NULL. REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23016 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.6 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.09900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 82.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.34000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: GLUR2:(S)-THIO-ATPA COMPLEX (LUNN ET AL., TO BE REMARK 200 PUBLISHED). REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: ZINC ACETATE, CACODYLATE, PEG8000, PH REMARK 280 5.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 279K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z REMARK 290 4555 X+1/2,-Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 27.12900 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 55.61450 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.12900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 55.61450 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC REMARK 300 ASYMMETRIC UNIT WHICH CONSISTS OF 1 CHAIN(S). REMARK 300 SEE REMARK 350 FOR INFORMATION ON GENERATING REMARK 300 THE BIOLOGICAL MOLECULE(S). NOTE THAT REMARK 300 COORDINATES FOR ONE DIMER OF THE TETRAMERIC REMARK 300 MULTIMER REPRESENTING THE KNOWN BIOLOGICALLY REMARK 300 SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 300 MOLECULE CAN BE GENERATED BY APPLYING BIOMT REMARK 300 TRANSFORMATIONS GIVEN IN REMARK 350. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 3330 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22860 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -110.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 2 -1.000000 0.000000 0.000000 108.51600 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 GLY A -2 REMARK 465 ALA A -1 REMARK 465 ASN A 0 REMARK 465 GLY A 259 REMARK 465 SER A 260 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 GLU A 257 14.35 -140.75 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 451 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 163 OE1 REMARK 620 2 GLU A 163 OE2 55.9 REMARK 620 3 GLU A 21 OE2 91.6 145.9 REMARK 620 4 HIS A 20 NE2 105.2 93.4 106.4 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 452 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 39 OE1 REMARK 620 2 HOH A 595 O 109.2 REMARK 620 3 HIS A 43 NE2 104.6 104.1 REMARK 620 4 GLU A 27 OE2 95.6 98.2 142.7 REMARK 620 5 GLU A 27 OE1 146.9 94.3 91.3 57.2 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 451 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 452 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 453 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CE2 A 454 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FTJ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN REMARK 900 COMPLEX WITH GLUTAMATE AT 1.9 RESOLUTION. REMARK 900 RELATED ID: 1FTK RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2I) IN REMARK 900 COMPLEX WITH KAINATE AT 1.6 A RESOLUTION. REMARK 900 RELATED ID: 1FTO RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN THE REMARK 900 APO STATE AT 2.0 A RESOLUTION. REMARK 900 RELATED ID: 1FW0 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN REMARK 900 COMPLEX WITH KAINATE AT 2.0 A RESOLUTION. REMARK 900 RELATED ID: 1FTL RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN REMARK 900 COMPLEX WITH THE ANTAGONIST DNQX AT 1.8 A RESOLUTION. REMARK 900 RELATED ID: 1GR2 RELATED DB: PDB REMARK 900 STRUCTURE OF A GLUTAMATE RECEPTOR LIGAND BINDING CORE (GLUR2) REMARK 900 COMPLEXED WITH KAINATE. REMARK 900 RELATED ID: 1LB8 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE NON-DESENSITIZING GLUR2 LIGAND BINDING REMARK 900 CORE MUTANT (S1S2J-L483Y) IN COMPLEX WITH AMPA AT 2.3 RESOLUTION. REMARK 900 RELATED ID: 1LB9 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE NON-DESENSITIZING GLUR2 LIGAND BINDING REMARK 900 CORE MUTANT (S1S2J-L483Y) IN COMPLEX WITH ANTAGONIST DNQX AT 2.3 A REMARK 900 RESOLUTION. REMARK 900 RELATED ID: 1LBC RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GLUR2 LIGAND BINDING CORE (S1S2J-N775S) IN REMARK 900 COMPLEX WITH CYCLOTHIAZIDE (CTZ) AS WELL AS GLUTAMATE AT 1.8 A REMARK 900 RESOLUTION. REMARK 900 RELATED ID: 1M5E RELATED DB: PDB REMARK 900 X-RAY STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN COMPLEX REMARK 900 WITH ACPA AT 1.46 A RESOLUTION. REMARK 900 RELATED ID: 1M5C RELATED DB: PDB REMARK 900 X-RAY STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN COMPLEX REMARK 900 WITH BR-HIBO AT 1.65 A RESOLUTION. REMARK 900 RELATED ID: 1M5B RELATED DB: PDB REMARK 900 X-RAY STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN COMPLEX REMARK 900 WITH 2-ME-TET-AMPA AT 1.85 A RESOLUTION. REMARK 900 RELATED ID: 1M5F RELATED DB: PDB REMARK 900 X-RAY STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J- Y702F) IN REMARK 900 COMPLEX WITH ACPA AT 1.95 A RESOLUTION. REMARK 900 RELATED ID: 1MM7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN REMARK 900 COMPLEX WITH QUISQUALATE IN A ZINC CRYSTAL FORM AT 1.65 ANGSTROMS REMARK 900 RESOLUTION. REMARK 900 RELATED ID: 1MM6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN REMARK 900 COMPLEX WITH QUISQUALATE IN A NON ZINC CRYSTAL FORM AT 2.15 REMARK 900 ANGSTROMS RESOLUTION. REMARK 900 RELATED ID: 1LBB RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING DOMAIN MUTANT (S1S2J- REMARK 900 N754D) IN COMPLEX WITH KAINATE AT 2.1 A RESOLUTION. REMARK 900 RELATED ID: 1MY4 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GLUTAMATE RECEPTOR LIGAND-BINDING CORE IN REMARK 900 COMPLEX WITH IODO-WILLARDIINE IN THE ZN CRYSTAL FORM. REMARK 900 RELATED ID: 1MY3 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GLUTAMATE RECEPTOR LIGAND-BINDING CORE IN REMARK 900 COMPLEX WITH BROMO-WILLARDIINE IN THE ZN CRYSTAL FORM. REMARK 900 RELATED ID: 1M5D RELATED DB: PDB REMARK 900 X-RAY STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J- Y702F) IN REMARK 900 COMPLEX WITH BR-HIBO AT 1.73 A RESOLUTION. REMARK 900 RELATED ID: 1FTM RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2J) IN REMARK 900 COMPLEX WITH AMPA AT 1.7 RESOLUTION. REMARK 900 RELATED ID: 1NNP RELATED DB: PDB REMARK 900 X-RAY STRUCTURE OF THE GLUR2 LIGAND-BINDING CORE (S1S2J) IN COMPLEX REMARK 900 WITH (S)-ATPA AT 1.9 A RESOLUTION. CRYSTALLIZATION WITHOUT ZINC REMARK 900 IONS. REMARK 999 REMARK 999 SEQUENCE REMARK 999 NATIVE GLUR2 IS A MEMBRANE PROTEIN. THE PROTEIN REMARK 999 CRYSTALLIZED IS THE EXTRACELLULAR LIGAND-BINDING REMARK 999 CORE OF GLUR2. TRANSMEMBRANE REGIONS WERE GENETICALLY REMARK 999 REMOVED AND REPLACED WITH A GLY-THR LINKER (RESIDUES REMARK 999 115-116). THEREFORE, THE SEQUENCE MATCHES DISCONTINUOUSLY REMARK 999 WITH THE REFERENCE DATABASE (413-527, 653-796). THE TWO REMARK 999 FIRST RESIDUES OF THE SEQUENCE (GLY-2, ALA-1) ARE CLONING REMARK 999 ARTIFACTS AND WERE NOT LOCATED IN THE ELECTRON DENSITY REMARK 999 MAP. DBREF 1NNK A 0 114 UNP P19491 GRIA2_RAT 413 527 DBREF 1NNK A 117 260 UNP P19491 GRIA2_RAT 653 796 SEQADV 1NNK GLY A -2 UNP P19491 CLONING ARTIFACT SEQADV 1NNK ALA A -1 UNP P19491 CLONING ARTIFACT SEQADV 1NNK GLY A 115 UNP P19491 LINKER SEQADV 1NNK THR A 116 UNP P19491 LINKER SEQRES 1 A 263 GLY ALA ASN LYS THR VAL VAL VAL THR THR ILE LEU GLU SEQRES 2 A 263 SER PRO TYR VAL MET MET LYS LYS ASN HIS GLU MET LEU SEQRES 3 A 263 GLU GLY ASN GLU ARG TYR GLU GLY TYR CYS VAL ASP LEU SEQRES 4 A 263 ALA ALA GLU ILE ALA LYS HIS CYS GLY PHE LYS TYR LYS SEQRES 5 A 263 LEU THR ILE VAL GLY ASP GLY LYS TYR GLY ALA ARG ASP SEQRES 6 A 263 ALA ASP THR LYS ILE TRP ASN GLY MET VAL GLY GLU LEU SEQRES 7 A 263 VAL TYR GLY LYS ALA ASP ILE ALA ILE ALA PRO LEU THR SEQRES 8 A 263 ILE THR LEU VAL ARG GLU GLU VAL ILE ASP PHE SER LYS SEQRES 9 A 263 PRO PHE MET SER LEU GLY ILE SER ILE MET ILE LYS LYS SEQRES 10 A 263 GLY THR PRO ILE GLU SER ALA GLU ASP LEU SER LYS GLN SEQRES 11 A 263 THR GLU ILE ALA TYR GLY THR LEU ASP SER GLY SER THR SEQRES 12 A 263 LYS GLU PHE PHE ARG ARG SER LYS ILE ALA VAL PHE ASP SEQRES 13 A 263 LYS MET TRP THR TYR MET ARG SER ALA GLU PRO SER VAL SEQRES 14 A 263 PHE VAL ARG THR THR ALA GLU GLY VAL ALA ARG VAL ARG SEQRES 15 A 263 LYS SER LYS GLY LYS TYR ALA TYR LEU LEU GLU SER THR SEQRES 16 A 263 MET ASN GLU TYR ILE GLU GLN ARG LYS PRO CYS ASP THR SEQRES 17 A 263 MET LYS VAL GLY GLY ASN LEU ASP SER LYS GLY TYR GLY SEQRES 18 A 263 ILE ALA THR PRO LYS GLY SER SER LEU GLY ASN ALA VAL SEQRES 19 A 263 ASN LEU ALA VAL LEU LYS LEU ASN GLU GLN GLY LEU LEU SEQRES 20 A 263 ASP LYS LEU LYS ASN LYS TRP TRP TYR ASP LYS GLY GLU SEQRES 21 A 263 CYS GLY SER HET ZN A 451 1 HET ZN A 452 1 HET CL A 453 1 HET CE2 A 454 16 HETNAM ZN ZINC ION HETNAM CL CHLORIDE ION HETNAM CE2 3-(5-TERT-BUTYL-3-OXIDOISOXAZOL-4-YL)-L-ALANINATE HETSYN CE2 (S)-ATPA, (S)-2-AMINO-3-(3-HYDROXY-5-TERT-BUTYL- HETSYN 2 CE2 ISOXAZOL-4-YL)PROPIONIC ACID FORMUL 2 ZN 2(ZN 2+) FORMUL 4 CL CL 1- FORMUL 5 CE2 C10 H15 N2 O4 1- FORMUL 6 HOH *179(H2 O) HELIX 1 1 ASN A 19 LEU A 23 5 5 HELIX 2 2 GLU A 24 GLU A 27 5 4 HELIX 3 3 GLY A 31 CYS A 44 1 14 HELIX 4 4 ASN A 69 TYR A 77 1 9 HELIX 5 5 THR A 90 GLU A 95 1 6 HELIX 6 6 SER A 120 LYS A 126 1 7 HELIX 7 7 GLY A 138 SER A 147 1 10 HELIX 8 8 ILE A 149 ALA A 162 1 14 HELIX 9 9 THR A 170 SER A 181 1 12 HELIX 10 10 SER A 191 GLN A 199 1 9 HELIX 11 11 SER A 225 GLN A 241 1 17 HELIX 12 12 GLY A 242 TYR A 253 1 12 SHEET 1 A 3 TYR A 48 ILE A 52 0 SHEET 2 A 3 VAL A 3 THR A 7 1 N VAL A 5 O THR A 51 SHEET 3 A 3 ILE A 82 ALA A 83 1 O ILE A 82 N THR A 6 SHEET 1 B 2 MET A 15 MET A 16 0 SHEET 2 B 2 TYR A 29 GLU A 30 -1 O GLU A 30 N MET A 15 SHEET 1 C 2 ILE A 97 PHE A 99 0 SHEET 2 C 2 ALA A 220 PRO A 222 -1 O THR A 221 N ASP A 98 SHEET 1 D 2 MET A 104 LEU A 106 0 SHEET 2 D 2 LYS A 215 TYR A 217 -1 O LYS A 215 N LEU A 106 SHEET 1 E 4 ALA A 131 GLY A 133 0 SHEET 2 E 4 TYR A 185 GLU A 190 1 O LEU A 188 N GLY A 133 SHEET 3 E 4 ILE A 108 LYS A 113 -1 N MET A 111 O TYR A 187 SHEET 4 E 4 THR A 205 VAL A 208 -1 O MET A 206 N ILE A 112 SSBOND 1 CYS A 203 CYS A 258 1555 1555 2.03 LINK ZN ZN A 451 OE1 GLU A 163 1555 1555 2.17 LINK ZN ZN A 451 OE2 GLU A 163 1555 1555 2.48 LINK ZN ZN A 452 OE1 GLU A 39 1555 1555 2.07 LINK ZN ZN A 452 O HOH A 595 1555 1555 2.32 LINK ZN ZN A 452 NE2 HIS A 43 1555 1555 1.89 LINK ZN ZN A 451 OE2 GLU A 21 1555 4556 2.04 LINK ZN ZN A 451 NE2 HIS A 20 1555 4556 2.29 LINK ZN ZN A 452 OE2 GLU A 27 1555 2655 2.25 LINK ZN ZN A 452 OE1 GLU A 27 1555 2655 2.37 CISPEP 1 SER A 11 PRO A 12 0 0.34 CISPEP 2 GLU A 163 PRO A 164 0 -0.03 CISPEP 3 LYS A 201 PRO A 202 0 0.18 SITE 1 AC1 4 HIS A 20 GLU A 21 GLU A 163 CL A 453 SITE 1 AC2 4 GLU A 27 GLU A 39 HIS A 43 HOH A 595 SITE 1 AC3 2 GLU A 163 ZN A 451 SITE 1 AC4 15 GLU A 10 TYR A 58 PRO A 86 LEU A 87 SITE 2 AC4 15 THR A 88 ARG A 93 GLY A 138 SER A 139 SITE 3 AC4 15 THR A 140 THR A 171 GLU A 190 MET A 193 SITE 4 AC4 15 TYR A 217 HOH A 455 HOH A 466 CRYST1 54.258 111.229 46.643 90.00 90.00 90.00 P 21 21 2 4 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.018430 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008990 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021439 0.00000