HEADER MEMBRANE PROTEIN 24-APR-09 3H6W TITLE CRYSTAL STRUCTURE OF THE IGLUR2 LIGAND-BINDING CORE (S1S2J-N754S) IN TITLE 2 COMPLEX WITH GLUTAMATE AND NS5217 AT 1.50 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLUTAMATE RECEPTOR 2; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: IGLUR2-FLOP LIGAND-BINDING CORE: UNP RESIDUES 413-796; COMPND 5 SYNONYM: GLUR-2, GLUR-B, GLUR-K2, GLUTAMATE RECEPTOR IONOTROPIC, AMPA COMPND 6 2, AMPA-SELECTIVE GLUTAMATE RECEPTOR 2; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: GRIA2, GLUR2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET30B KEYWDS AMPA RECEPTOR LIGAND-BINDING CORE, IGLUR2 S1S2J-N754S, ALLOSTERIC KEYWDS 2 MODULATION, MEMBRANE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR H.HALD,M.GAJHEDE,J.S.KASTRUP REVDAT 8 06-NOV-24 3H6W 1 REMARK REVDAT 7 06-SEP-23 3H6W 1 REMARK REVDAT 6 13-OCT-21 3H6W 1 REMARK SEQADV REVDAT 5 01-NOV-17 3H6W 1 REMARK REVDAT 4 02-AUG-17 3H6W 1 SOURCE REMARK REVDAT 3 13-JUL-11 3H6W 1 VERSN REVDAT 2 08-SEP-09 3H6W 1 JRNL REVDAT 1 28-JUL-09 3H6W 0 JRNL AUTH H.HALD,P.K.AHRING,D.B.TIMMERMANN,T.LILJEFORS,M.GAJHEDE, JRNL AUTH 2 J.S.KASTRUP JRNL TITL DISTINCT STRUCTURAL FEATURES OF CYCLOTHIAZIDE ARE JRNL TITL 2 RESPONSIBLE FOR EFFECTS ON PEAK CURRENT AMPLITUDE AND JRNL TITL 3 DESENSITIZATION KINETICS AT IGLUR2. JRNL REF J.MOL.BIOL. V. 391 906 2009 JRNL REFN ISSN 0022-2836 JRNL PMID 19591837 JRNL DOI 10.1016/J.JMB.2009.07.002 REMARK 1 REMARK 1 REFERENCE 1 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 PMID 11086992 REMARK 1 REFERENCE 2 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 PMID 12015593 REMARK 1 DOI 10.1038/417245A REMARK 2 REMARK 2 RESOLUTION. 1.49 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.49 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 17.38 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 84.5 REMARK 3 NUMBER OF REFLECTIONS : 71603 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 + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.189 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 1.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1392 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.49 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.53 REMARK 3 REFLECTION IN BIN (WORKING SET) : 5650 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 92.32 REMARK 3 BIN R VALUE (WORKING SET) : 0.2020 REMARK 3 BIN FREE R VALUE SET COUNT : 121 REMARK 3 BIN FREE R VALUE : 0.2620 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4081 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 96 REMARK 3 SOLVENT ATOMS : 683 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.76000 REMARK 3 B22 (A**2) : -1.33000 REMARK 3 B33 (A**2) : 0.62000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.84000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.132 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.098 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.063 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.661 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.962 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.944 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 4373 ; 0.011 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 3035 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5924 ; 1.360 ; 1.993 REMARK 3 BOND ANGLES OTHERS (DEGREES): 7387 ; 0.872 ; 3.004 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 561 ; 5.768 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 170 ;32.659 ;24.529 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 825 ;13.571 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 20 ;21.630 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 647 ; 0.079 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 4765 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 835 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 853 ; 0.213 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 3195 ; 0.190 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 2182 ; 0.182 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 2272 ; 0.090 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 477 ; 0.131 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 19 ; 0.125 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 65 ; 0.182 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 40 ; 0.151 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 3458 ; 1.202 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1110 ; 0.390 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 4304 ; 1.440 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 2054 ; 2.235 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1604 ; 2.987 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 9158 ; 1.153 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 683 ; 4.937 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 7314 ; 2.065 ; 3.000 REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3H6W COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-APR-09. REMARK 100 THE DEPOSITION ID IS D_1000052767. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-SEP-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X13 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8080 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 72325 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.490 REMARK 200 RESOLUTION RANGE LOW (A) : 17.380 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.6 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.04100 REMARK 200 R SYM (I) : 0.04100 REMARK 200 FOR THE DATA SET : 25.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.49 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.4 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.40500 REMARK 200 R SYM FOR SHELL (I) : 0.40500 REMARK 200 FOR SHELL : 2.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 1.3.1 REMARK 200 STARTING MODEL: PDB ENTRY 1FTJ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.28 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20 % PEG 4000, 0.1 M AMMONIUM SULFATE, REMARK 280 0.1 M CACODYLATE PH 6.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 279K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-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 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. 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 REMARK 350 TOTAL BURIED SURFACE AREA: 1860 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23610 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -6.7 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 47.01000 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1760 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24040 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -7.5 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B 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 90.13534 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 118.34826 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 SER A 263 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 SER B 228 135.13 -15.87 REMARK 500 TRP B 255 -78.49 -110.12 REMARK 500 GLU B 260 23.35 -150.28 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLU A 264 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NS7 A 265 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 266 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 267 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLU B 264 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NS7 B 265 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 266 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DMS B 267 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1LBC RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GLUR2 LIGAND BINDING CORE (S1S2J-N775S) IN REMARK 900 COMPLEX WITH GLUTAMATE AND CYCLOTHIAZIDE AT 1.80 A RESOLUTION REMARK 900 RELATED ID: 3H6T RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF IGLUR2 LIGAND-BINDING CORE (S1S2J-N754S) IN REMARK 900 COMPLEX WITH GLUTAMATE AND CYCLOTHIAZIDE AT 2.25 A RESOLUTION REMARK 900 RELATED ID: 3H6U RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF IGLUR2 LIGAND-BINDING CORE (S1S2J-N754S) IN REMARK 900 COMPLEX WITH GLUTAMATE AND NS1493 AT 1.85 A RESOLUTION REMARK 900 RELATED ID: 3H6V RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF IGLUR2 LIGAND-BINDING CORE (S1S2J-N754S) IN REMARK 900 COMPLEX WITH GLUTAMATE AND NS5206 AT 2.10 A RESOLUTION REMARK 999 REMARK 999 SEQUENCE REMARK 999 NATIVE IGLUR2 IS A MEMBRANE PROTEIN. THE PROTEIN REMARK 999 CRYSTALLIZED IS THE EXTRACELLULAR LIGAND-BINDING CORE REMARK 999 OF GLUR2. TRANSMEMBRANE REGIONS WERE GENETICALLY REMOVED REMARK 999 AND REPLACED WITH A GLY-THR LINKER (RESIDUES 118-119). REMARK 999 THEREFORE THE SEQUENCE MATCHES DISCONTINUOUSLY WITH THE REMARK 999 REFERENCE DATABASE (UNP RESIDUES 413-527 AND 653-796, REMARK 999 NUMBERING WITH SIGNAL PEPTIDE OF 21 AMINO ACIDS). REMARK 999 THE TWO FIRST RESIDUES (GLY, ALA) ARE CLONING REMNANTS. DBREF 3H6W A 3 117 UNP P19491 GRIA2_RAT 413 527 DBREF 3H6W A 120 263 UNP P19491 GRIA2_RAT 653 796 DBREF 3H6W B 3 117 UNP P19491 GRIA2_RAT 413 527 DBREF 3H6W B 120 263 UNP P19491 GRIA2_RAT 653 796 SEQADV 3H6W GLY A 1 UNP P19491 EXPRESSION TAG SEQADV 3H6W ALA A 2 UNP P19491 EXPRESSION TAG SEQADV 3H6W GLY A 118 UNP P19491 LINKER SEQADV 3H6W THR A 119 UNP P19491 LINKER SEQADV 3H6W SER A 242 UNP P19491 ASN 775 ENGINEERED MUTATION SEQADV 3H6W GLY B 1 UNP P19491 EXPRESSION TAG SEQADV 3H6W ALA B 2 UNP P19491 EXPRESSION TAG SEQADV 3H6W GLY B 118 UNP P19491 LINKER SEQADV 3H6W THR B 119 UNP P19491 LINKER SEQADV 3H6W SER B 242 UNP P19491 ASN 775 ENGINEERED MUTATION 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 SER 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 SEQRES 1 B 263 GLY ALA ASN LYS THR VAL VAL VAL THR THR ILE LEU GLU SEQRES 2 B 263 SER PRO TYR VAL MET MET LYS LYS ASN HIS GLU MET LEU SEQRES 3 B 263 GLU GLY ASN GLU ARG TYR GLU GLY TYR CYS VAL ASP LEU SEQRES 4 B 263 ALA ALA GLU ILE ALA LYS HIS CYS GLY PHE LYS TYR LYS SEQRES 5 B 263 LEU THR ILE VAL GLY ASP GLY LYS TYR GLY ALA ARG ASP SEQRES 6 B 263 ALA ASP THR LYS ILE TRP ASN GLY MET VAL GLY GLU LEU SEQRES 7 B 263 VAL TYR GLY LYS ALA ASP ILE ALA ILE ALA PRO LEU THR SEQRES 8 B 263 ILE THR LEU VAL ARG GLU GLU VAL ILE ASP PHE SER LYS SEQRES 9 B 263 PRO PHE MET SER LEU GLY ILE SER ILE MET ILE LYS LYS SEQRES 10 B 263 GLY THR PRO ILE GLU SER ALA GLU ASP LEU SER LYS GLN SEQRES 11 B 263 THR GLU ILE ALA TYR GLY THR LEU ASP SER GLY SER THR SEQRES 12 B 263 LYS GLU PHE PHE ARG ARG SER LYS ILE ALA VAL PHE ASP SEQRES 13 B 263 LYS MET TRP THR TYR MET ARG SER ALA GLU PRO SER VAL SEQRES 14 B 263 PHE VAL ARG THR THR ALA GLU GLY VAL ALA ARG VAL ARG SEQRES 15 B 263 LYS SER LYS GLY LYS TYR ALA TYR LEU LEU GLU SER THR SEQRES 16 B 263 MET ASN GLU TYR ILE GLU GLN ARG LYS PRO CYS ASP THR SEQRES 17 B 263 MET LYS VAL GLY GLY ASN LEU ASP SER LYS GLY TYR GLY SEQRES 18 B 263 ILE ALA THR PRO LYS GLY SER SER LEU GLY ASN ALA VAL SEQRES 19 B 263 ASN LEU ALA VAL LEU LYS LEU SER GLU GLN GLY LEU LEU SEQRES 20 B 263 ASP LYS LEU LYS ASN LYS TRP TRP TYR ASP LYS GLY GLU SEQRES 21 B 263 CYS GLY SER HET GLU A 264 10 HET NS7 A 265 28 HET SO4 A 266 5 HET GOL A 267 6 HET GLU B 264 10 HET NS7 B 265 28 HET SO4 B 266 5 HET DMS B 267 4 HETNAM GLU GLUTAMIC ACID HETNAM NS7 (3R)-3-CYCLOPENTYL-6-METHYL-7-[(4-METHYLPIPERAZIN-1- HETNAM 2 NS7 YL)SULFONYL]-3,4-DIHYDRO-2H-1,2-BENZOTHIAZINE 1,1- HETNAM 3 NS7 DIOXIDE HETNAM SO4 SULFATE ION HETNAM GOL GLYCEROL HETNAM DMS DIMETHYL SULFOXIDE HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 3 GLU 2(C5 H9 N O4) FORMUL 4 NS7 2(C19 H29 N3 O4 S2) FORMUL 5 SO4 2(O4 S 2-) FORMUL 6 GOL C3 H8 O3 FORMUL 10 DMS C2 H6 O S FORMUL 11 HOH *683(H2 O) HELIX 1 1 ASN A 22 LEU A 26 5 5 HELIX 2 2 GLU A 27 GLU A 30 5 4 HELIX 3 3 GLY A 34 GLY A 48 1 15 HELIX 4 4 ASN A 72 TYR A 80 1 9 HELIX 5 5 THR A 93 GLU A 98 1 6 HELIX 6 6 SER A 123 LYS A 129 1 7 HELIX 7 7 GLY A 141 SER A 150 1 10 HELIX 8 8 ILE A 152 ALA A 165 1 14 HELIX 9 9 THR A 173 SER A 184 1 12 HELIX 10 10 SER A 194 GLN A 202 1 9 HELIX 11 11 SER A 229 GLN A 244 1 16 HELIX 12 12 GLY A 245 TYR A 256 1 12 HELIX 13 13 ASN B 22 LEU B 26 5 5 HELIX 14 14 GLU B 27 GLU B 30 5 4 HELIX 15 15 GLY B 34 GLY B 48 1 15 HELIX 16 16 ASN B 72 TYR B 80 1 9 HELIX 17 17 THR B 93 GLU B 98 1 6 HELIX 18 18 SER B 123 LYS B 129 1 7 HELIX 19 19 GLY B 141 SER B 150 1 10 HELIX 20 20 ILE B 152 ALA B 165 1 14 HELIX 21 21 THR B 173 SER B 184 1 12 HELIX 22 22 SER B 194 GLN B 202 1 9 HELIX 23 23 LEU B 230 GLN B 244 1 15 HELIX 24 24 GLY B 245 TRP B 255 1 11 HELIX 25 25 TYR B 256 GLY B 259 5 4 SHEET 1 A 3 TYR A 51 ILE A 55 0 SHEET 2 A 3 VAL A 6 THR A 10 1 N VAL A 8 O LYS A 52 SHEET 3 A 3 ILE A 85 ALA A 86 1 O ILE A 85 N THR A 9 SHEET 1 B 2 MET A 18 MET A 19 0 SHEET 2 B 2 TYR A 32 GLU A 33 -1 O GLU A 33 N MET A 18 SHEET 1 C 2 ILE A 100 PHE A 102 0 SHEET 2 C 2 ALA A 223 PRO A 225 -1 O THR A 224 N ASP A 101 SHEET 1 D 2 MET A 107 LEU A 109 0 SHEET 2 D 2 LYS A 218 TYR A 220 -1 O LYS A 218 N LEU A 109 SHEET 1 E 4 ALA A 134 GLY A 136 0 SHEET 2 E 4 TYR A 188 GLU A 193 1 O LEU A 191 N GLY A 136 SHEET 3 E 4 ILE A 111 LYS A 116 -1 N MET A 114 O TYR A 190 SHEET 4 E 4 THR A 208 VAL A 211 -1 O MET A 209 N ILE A 115 SHEET 1 F 3 TYR B 51 ILE B 55 0 SHEET 2 F 3 VAL B 6 THR B 10 1 N VAL B 8 O THR B 54 SHEET 3 F 3 ILE B 85 ALA B 86 1 O ILE B 85 N THR B 9 SHEET 1 G 2 MET B 18 MET B 19 0 SHEET 2 G 2 TYR B 32 GLU B 33 -1 O GLU B 33 N MET B 18 SHEET 1 H 2 ILE B 100 PHE B 102 0 SHEET 2 H 2 ALA B 223 PRO B 225 -1 O THR B 224 N ASP B 101 SHEET 1 I 2 MET B 107 LEU B 109 0 SHEET 2 I 2 LYS B 218 TYR B 220 -1 O LYS B 218 N LEU B 109 SHEET 1 J 4 ALA B 134 GLY B 136 0 SHEET 2 J 4 TYR B 188 GLU B 193 1 O LEU B 191 N GLY B 136 SHEET 3 J 4 ILE B 111 LYS B 116 -1 N MET B 114 O TYR B 190 SHEET 4 J 4 THR B 208 VAL B 211 -1 O MET B 209 N ILE B 115 SSBOND 1 CYS A 206 CYS A 261 1555 1555 2.02 SSBOND 2 CYS B 206 CYS B 261 1555 1555 2.02 CISPEP 1 SER A 14 PRO A 15 0 -2.03 CISPEP 2 GLU A 166 PRO A 167 0 2.70 CISPEP 3 LYS A 204 PRO A 205 0 2.94 CISPEP 4 SER B 14 PRO B 15 0 -1.84 CISPEP 5 GLU B 166 PRO B 167 0 -0.39 CISPEP 6 LYS B 204 PRO B 205 0 3.66 SITE 1 AC1 13 TYR A 61 PRO A 89 LEU A 90 THR A 91 SITE 2 AC1 13 ARG A 96 GLY A 141 SER A 142 THR A 143 SITE 3 AC1 13 GLU A 193 TYR A 220 HOH A 268 HOH A 289 SITE 4 AC1 13 HOH A 305 SITE 1 AC2 9 PRO A 105 MET A 107 SER A 108 LEU A 239 SITE 2 AC2 9 ASP A 248 LYS A 251 HOH A 294 HOH A 308 SITE 3 AC2 9 HOH A 676 SITE 1 AC3 8 SER A 140 LYS A 144 ARG A 148 HOH A 326 SITE 2 AC3 8 HOH A 332 HOH A 426 HOH A 476 HOH A 480 SITE 1 AC4 3 ARG A 148 TRP A 159 ARG A 163 SITE 1 AC5 13 TYR B 61 PRO B 89 LEU B 90 THR B 91 SITE 2 AC5 13 ARG B 96 GLY B 141 SER B 142 THR B 143 SITE 3 AC5 13 GLU B 193 TYR B 220 HOH B 296 HOH B 298 SITE 4 AC5 13 HOH B 333 SITE 1 AC6 10 PRO B 105 MET B 107 SER B 108 LEU B 239 SITE 2 AC6 10 ASP B 248 LYS B 251 HOH B 281 HOH B 304 SITE 3 AC6 10 HOH B 326 HOH B 678 SITE 1 AC7 6 SER B 140 LYS B 144 ARG B 148 HOH B 357 SITE 2 AC7 6 HOH B 454 HOH B 519 SITE 1 AC8 4 ARG B 203 LYS B 258 GLU B 260 HOH B 431 CRYST1 47.010 47.179 118.412 90.00 91.88 90.00 P 1 2 1 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 0.021272 0.000000 0.000699 0.00000 SCALE2 0.000000 0.021196 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008450 0.00000