HEADER MEMBRANE PROTEIN 10-AUG-06 2I0C TITLE CRYSTAL STRUCTURE OF THE GLUR6 LIGAND BINDING CORE DIMER CROSSLINKED TITLE 2 BY DISULFIDE BONDS BETWEEN Y490C AND L752C AT 2.25 ANGSTROMS TITLE 3 RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLUTAMATE RECEPTOR, IONOTROPIC KAINATE 2; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: GLUTAMATE RECEPTOR 6, GLUR-6, GLUR6; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: GRIK2, GLUR6; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: ORIGAMI B (DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET22 (MODIFIED) KEYWDS MEMBRANE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.L.MAYER REVDAT 7 20-OCT-21 2I0C 1 REMARK SEQADV REVDAT 6 18-OCT-17 2I0C 1 REMARK REVDAT 5 16-AUG-17 2I0C 1 SOURCE REMARK REVDAT 4 13-JUL-11 2I0C 1 VERSN REVDAT 3 24-FEB-09 2I0C 1 VERSN REVDAT 2 23-JAN-07 2I0C 1 JRNL REVDAT 1 21-NOV-06 2I0C 0 JRNL AUTH M.C.WESTON,P.SCHUCK,A.GHOSAL,C.ROSENMUND,M.L.MAYER JRNL TITL CONFORMATIONAL RESTRICTION BLOCKS GLUTAMATE RECEPTOR JRNL TITL 2 DESENSITIZATION. JRNL REF NAT.STRUCT.MOL.BIOL. V. 13 1120 2006 JRNL REFN ISSN 1545-9993 JRNL PMID 17115050 JRNL DOI 10.1038/NSMB1178 REMARK 2 REMARK 2 RESOLUTION. 2.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 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) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 3 NUMBER OF REFLECTIONS : 25130 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) : 0.175 REMARK 3 R VALUE (WORKING SET) : 0.172 REMARK 3 FREE R VALUE : 0.244 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 1276 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) : 2.25 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.31 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1828 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.95 REMARK 3 BIN R VALUE (WORKING SET) : 0.1850 REMARK 3 BIN FREE R VALUE SET COUNT : 99 REMARK 3 BIN FREE R VALUE : 0.2740 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4042 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 20 REMARK 3 SOLVENT ATOMS : 204 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : 34.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.67 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.62000 REMARK 3 B22 (A**2) : 0.62000 REMARK 3 B33 (A**2) : -1.25000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.286 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.231 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.157 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 12.507 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.956 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.917 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 4133 ; 0.023 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5580 ; 1.977 ; 1.971 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 515 ; 4.892 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 171 ;33.967 ;24.269 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 758 ;16.342 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 22 ;16.385 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 623 ; 0.123 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3050 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1858 ; 0.245 ; 0.300 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 2971 ; 0.329 ; 0.500 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 390 ; 0.244 ; 0.500 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): 37 ; 0.281 ; 0.300 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 9 ; 0.319 ; 0.500 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): 2639 ; 2.078 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 4131 ; 3.180 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1730 ; 2.420 ; 2.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1449 ; 3.607 ; 3.000 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): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL 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 : 6 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 3 A 108 REMARK 3 ORIGIN FOR THE GROUP (A): -18.3081 48.6114 -9.1746 REMARK 3 T TENSOR REMARK 3 T11: .0707 T22: .0454 REMARK 3 T33: .0605 T12: -.0234 REMARK 3 T13: .0130 T23: .0071 REMARK 3 L TENSOR REMARK 3 L11: 3.3560 L22: 1.2740 REMARK 3 L33: 2.2475 L12: -.1586 REMARK 3 L13: -.3878 L23: -.3270 REMARK 3 S TENSOR REMARK 3 S11: .0300 S12: .1005 S13: .1697 REMARK 3 S21: -.1016 S22: .0210 S23: -.0737 REMARK 3 S31: -.1076 S32: .0383 S33: -.0510 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 109 A 211 REMARK 3 ORIGIN FOR THE GROUP (A): -33.0890 50.2623 9.9092 REMARK 3 T TENSOR REMARK 3 T11: .0439 T22: .0453 REMARK 3 T33: .0364 T12: .0353 REMARK 3 T13: .0186 T23: .0347 REMARK 3 L TENSOR REMARK 3 L11: 3.6619 L22: 1.5302 REMARK 3 L33: 2.8008 L12: .2897 REMARK 3 L13: .5590 L23: .5656 REMARK 3 S TENSOR REMARK 3 S11: -.0268 S12: -.2488 S13: .0594 REMARK 3 S21: .0937 S22: .0263 S23: .0973 REMARK 3 S31: -.2054 S32: -.1851 S33: .0004 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 212 A 259 REMARK 3 ORIGIN FOR THE GROUP (A): -14.1952 39.4301 -1.0398 REMARK 3 T TENSOR REMARK 3 T11: .0463 T22: .0472 REMARK 3 T33: .1167 T12: .0131 REMARK 3 T13: .0077 T23: .0124 REMARK 3 L TENSOR REMARK 3 L11: 2.7740 L22: 1.6191 REMARK 3 L33: 3.2437 L12: -.2659 REMARK 3 L13: .7666 L23: .2654 REMARK 3 S TENSOR REMARK 3 S11: -.0182 S12: -.0775 S13: -.2081 REMARK 3 S21: -.0373 S22: .0364 S23: .0086 REMARK 3 S31: .0969 S32: .1633 S33: -.0182 REMARK 3 REMARK 3 TLS GROUP : 4 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 4 B 108 REMARK 3 ORIGIN FOR THE GROUP (A): -25.6901 13.6971 .8891 REMARK 3 T TENSOR REMARK 3 T11: .0974 T22: .0224 REMARK 3 T33: .0773 T12: -.0371 REMARK 3 T13: .0343 T23: -.0159 REMARK 3 L TENSOR REMARK 3 L11: 2.2212 L22: 2.5551 REMARK 3 L33: 2.0035 L12: .4941 REMARK 3 L13: -.2182 L23: -.5217 REMARK 3 S TENSOR REMARK 3 S11: -.0359 S12: .0077 S13: -.1555 REMARK 3 S21: -.1713 S22: -.0059 S23: .0719 REMARK 3 S31: .2462 S32: .1397 S33: .0418 REMARK 3 REMARK 3 TLS GROUP : 5 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 109 B 212 REMARK 3 ORIGIN FOR THE GROUP (A): -9.9070 22.7130 17.1070 REMARK 3 T TENSOR REMARK 3 T11: .0730 T22: .0334 REMARK 3 T33: .0090 T12: .0392 REMARK 3 T13: .0159 T23: .0011 REMARK 3 L TENSOR REMARK 3 L11: 4.7514 L22: 1.8540 REMARK 3 L33: 3.0980 L12: .1086 REMARK 3 L13: -.7654 L23: -.4302 REMARK 3 S TENSOR REMARK 3 S11: -.1492 S12: -.3369 S13: -.1212 REMARK 3 S21: .0987 S22: .0754 S23: -.1393 REMARK 3 S31: .2919 S32: .2130 S33: .0739 REMARK 3 REMARK 3 TLS GROUP : 6 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 213 B 259 REMARK 3 ORIGIN FOR THE GROUP (A): -30.4643 25.3442 3.1453 REMARK 3 T TENSOR REMARK 3 T11: .0901 T22: .0180 REMARK 3 T33: .1394 T12: -.0368 REMARK 3 T13: .0163 T23: -.0143 REMARK 3 L TENSOR REMARK 3 L11: 3.3901 L22: 3.1053 REMARK 3 L33: 3.7592 L12: -.6409 REMARK 3 L13: -1.1505 L23: .0928 REMARK 3 S TENSOR REMARK 3 S11: -.0125 S12: -.0585 S13: .1385 REMARK 3 S21: .1282 S22: -.0384 S23: .3047 REMARK 3 S31: -.0711 S32: -.0923 S33: .0509 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 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 2I0C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-AUG-06. REMARK 100 THE DEPOSITION ID IS D_1000038977. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-APR-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.99997 REMARK 200 MONOCHROMATOR : SI 220 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26406 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : 0.08900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.33 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.43700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.930 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 17SY REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.35 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: RESERVOIR: 20% ISOPROPANOL, 25% PEG REMARK 280 4K, 0.1 M NACITRATE. PROTEIN: 7-15 MG/ML, 10 MM HEPES, 20 MM REMARK 280 NACL, PH 5.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 4 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 -Y,X,Z REMARK 290 4555 Y,-X,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 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 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 ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 2 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 300 AUTHOR STATES: DIMERS FORMED BY CHAINS A AND B, REMARK 300 ARE BELIEVED TO OCCUR IN THE INTACT TETRAMERIC ION CHANNEL. 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: 1300 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23530 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -10.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 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 1 REMARK 465 SER A 2 REMARK 465 GLY B 1 REMARK 465 SER B 2 REMARK 465 ASN B 3 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG A 201 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 253 CG CD NE CZ NH1 NH2 REMARK 470 ASN A 255 CG OD1 ND2 REMARK 470 ARG B 201 CG CD NE CZ NH1 NH2 REMARK 470 ARG B 253 CG CD NE CZ NH1 NH2 REMARK 470 ASN B 255 CG OD1 ND2 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LYS A 20 CD CE NZ REMARK 480 GLU A 175 CG CD OE1 OE2 REMARK 480 GLU B 57 CD OE1 OE2 REMARK 480 GLU B 139 CD OE1 OE2 REMARK 480 ASP B 140 CG OD1 OD2 REMARK 480 GLU B 175 CD OE1 OE2 REMARK 480 GLU B 249 CG CD OE1 OE2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OE1 GLN B 200 O HOH B 1040 1.75 REMARK 500 O SER A 168 NH2 ARG A 180 2.09 REMARK 500 CB ASP B 65 O HOH B 1010 2.12 REMARK 500 OE1 GLN A 70 O HOH A 1099 2.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 LYS A 20 CG LYS A 20 CD -0.225 REMARK 500 GLU A 175 CB GLU A 175 CG -0.250 REMARK 500 GLU B 57 CG GLU B 57 CD -0.093 REMARK 500 GLU B 97 CG GLU B 97 CD 0.095 REMARK 500 GLU B 175 CG GLU B 175 CD -0.211 REMARK 500 GLU B 249 CB GLU B 249 CG -0.187 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ASP B 140 CA - CB - CG ANGL. DEV. = 17.5 DEGREES REMARK 500 ASP B 140 CB - CG - OD1 ANGL. DEV. = 13.7 DEGREES REMARK 500 ASP B 140 CB - CG - OD2 ANGL. DEV. = -13.2 DEGREES REMARK 500 GLU B 175 CB - CG - CD ANGL. DEV. = 25.2 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 13 107.05 -167.20 REMARK 500 ASN A 72 -168.46 -126.71 REMARK 500 ARG A 166 -50.08 -28.75 REMARK 500 ARG A 253 -63.92 -90.76 REMARK 500 GLU B 13 112.31 -164.33 REMARK 500 ASP B 140 32.52 72.33 REMARK 500 ASN B 255 44.23 -70.38 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 998 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLU B 999 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2I0B RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR6 LIGAND BINDING CORE ELKQ MUTANT REMARK 900 DIMER AT 1.96 ANGSTROMS RESOLUTION REMARK 900 RELATED ID: 2F36 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR5 LIGAND BINDING CORE DIMER WITH REMARK 900 GLUTAMATE AT 2.1 ANGSTROMS RESOLUTION REMARK 900 RELATED ID: 1YAE RELATED DB: PDB REMARK 900 STRUCTURE OF THE KAINATE RECEPTOR SUBUNIT GLUR6 AGONIST BINDING REMARK 900 DOMAIN COMPLEXED WITH DOMOIC ACID 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 ANGSTROMS REMARK 900 RESOLUTION DBREF 2I0C A 2 117 UNP P42260 GRIK2_RAT 429 544 DBREF 2I0C A 120 259 UNP P42260 GRIK2_RAT 667 806 DBREF 2I0C B 2 117 UNP P42260 GRIK2_RAT 429 544 DBREF 2I0C B 120 259 UNP P42260 GRIK2_RAT 667 806 SEQADV 2I0C GLY A 1 UNP P42260 CLONING ARTIFACT SEQADV 2I0C CYS A 94 UNP P42260 TYR 521 ENGINEERED MUTATION SEQADV 2I0C GLY A 118 UNP P42260 LINKER SEQADV 2I0C THR A 119 UNP P42260 LINKER SEQADV 2I0C CYS A 236 UNP P42260 LEU 783 ENGINEERED MUTATION SEQADV 2I0C SER A 259 UNP P42260 GLU 806 ENGINEERED MUTATION SEQADV 2I0C GLY B 1 UNP P42260 CLONING ARTIFACT SEQADV 2I0C CYS B 94 UNP P42260 TYR 521 ENGINEERED MUTATION SEQADV 2I0C GLY B 118 UNP P42260 LINKER SEQADV 2I0C THR B 119 UNP P42260 LINKER SEQADV 2I0C CYS B 236 UNP P42260 LEU 783 ENGINEERED MUTATION SEQADV 2I0C SER B 259 UNP P42260 GLU 806 ENGINEERED MUTATION SEQRES 1 A 259 GLY SER ASN ARG SER LEU ILE VAL THR THR ILE LEU GLU SEQRES 2 A 259 GLU PRO TYR VAL LEU PHE LYS LYS SER ASP LYS PRO LEU SEQRES 3 A 259 TYR GLY ASN ASP ARG PHE GLU GLY TYR CYS ILE ASP LEU SEQRES 4 A 259 LEU ARG GLU LEU SER THR ILE LEU GLY PHE THR TYR GLU SEQRES 5 A 259 ILE ARG LEU VAL GLU ASP GLY LYS TYR GLY ALA GLN ASP SEQRES 6 A 259 ASP VAL ASN GLY GLN TRP ASN GLY MET VAL ARG GLU LEU SEQRES 7 A 259 ILE ASP HIS LYS ALA ASP LEU ALA VAL ALA PRO LEU ALA SEQRES 8 A 259 ILE THR CYS VAL ARG GLU LYS VAL ILE ASP PHE SER LYS SEQRES 9 A 259 PRO PHE MET THR LEU GLY ILE SER ILE LEU TYR ARG LYS SEQRES 10 A 259 GLY THR PRO ILE ASP SER ALA ASP ASP LEU ALA LYS GLN SEQRES 11 A 259 THR LYS ILE GLU TYR GLY ALA VAL GLU ASP GLY ALA THR SEQRES 12 A 259 MET THR PHE PHE LYS LYS SER LYS ILE SER THR TYR ASP SEQRES 13 A 259 LYS MET TRP ALA PHE MET SER SER ARG ARG GLN SER VAL SEQRES 14 A 259 LEU VAL LYS SER ASN GLU GLU GLY ILE GLN ARG VAL LEU SEQRES 15 A 259 THR SER ASP TYR ALA PHE LEU MET GLU SER THR THR ILE SEQRES 16 A 259 GLU PHE VAL THR GLN ARG ASN CYS ASN LEU THR GLN ILE SEQRES 17 A 259 GLY GLY LEU ILE ASP SER LYS GLY TYR GLY VAL GLY THR SEQRES 18 A 259 PRO MET GLY SER PRO TYR ARG ASP LYS ILE THR ILE ALA SEQRES 19 A 259 ILE CYS GLN LEU GLN GLU GLU GLY LYS LEU HIS MET MET SEQRES 20 A 259 LYS GLU LYS TRP TRP ARG GLY ASN GLY CYS PRO SER SEQRES 1 B 259 GLY SER ASN ARG SER LEU ILE VAL THR THR ILE LEU GLU SEQRES 2 B 259 GLU PRO TYR VAL LEU PHE LYS LYS SER ASP LYS PRO LEU SEQRES 3 B 259 TYR GLY ASN ASP ARG PHE GLU GLY TYR CYS ILE ASP LEU SEQRES 4 B 259 LEU ARG GLU LEU SER THR ILE LEU GLY PHE THR TYR GLU SEQRES 5 B 259 ILE ARG LEU VAL GLU ASP GLY LYS TYR GLY ALA GLN ASP SEQRES 6 B 259 ASP VAL ASN GLY GLN TRP ASN GLY MET VAL ARG GLU LEU SEQRES 7 B 259 ILE ASP HIS LYS ALA ASP LEU ALA VAL ALA PRO LEU ALA SEQRES 8 B 259 ILE THR CYS VAL ARG GLU LYS VAL ILE ASP PHE SER LYS SEQRES 9 B 259 PRO PHE MET THR LEU GLY ILE SER ILE LEU TYR ARG LYS SEQRES 10 B 259 GLY THR PRO ILE ASP SER ALA ASP ASP LEU ALA LYS GLN SEQRES 11 B 259 THR LYS ILE GLU TYR GLY ALA VAL GLU ASP GLY ALA THR SEQRES 12 B 259 MET THR PHE PHE LYS LYS SER LYS ILE SER THR TYR ASP SEQRES 13 B 259 LYS MET TRP ALA PHE MET SER SER ARG ARG GLN SER VAL SEQRES 14 B 259 LEU VAL LYS SER ASN GLU GLU GLY ILE GLN ARG VAL LEU SEQRES 15 B 259 THR SER ASP TYR ALA PHE LEU MET GLU SER THR THR ILE SEQRES 16 B 259 GLU PHE VAL THR GLN ARG ASN CYS ASN LEU THR GLN ILE SEQRES 17 B 259 GLY GLY LEU ILE ASP SER LYS GLY TYR GLY VAL GLY THR SEQRES 18 B 259 PRO MET GLY SER PRO TYR ARG ASP LYS ILE THR ILE ALA SEQRES 19 B 259 ILE CYS GLN LEU GLN GLU GLU GLY LYS LEU HIS MET MET SEQRES 20 B 259 LYS GLU LYS TRP TRP ARG GLY ASN GLY CYS PRO SER HET GLU A 998 10 HET GLU B 999 10 HETNAM GLU GLUTAMIC ACID FORMUL 3 GLU 2(C5 H9 N O4) FORMUL 5 HOH *204(H2 O) HELIX 1 1 TYR A 27 ASP A 30 5 4 HELIX 2 2 GLY A 34 GLY A 48 1 15 HELIX 3 3 ASN A 72 ASP A 80 1 9 HELIX 4 4 THR A 93 LYS A 98 1 6 HELIX 5 5 SER A 123 LYS A 129 1 7 HELIX 6 6 GLY A 141 SER A 150 1 10 HELIX 7 7 ILE A 152 ARG A 165 1 14 HELIX 8 8 ARG A 165 LEU A 170 1 6 HELIX 9 9 SER A 173 SER A 184 1 12 HELIX 10 10 SER A 192 GLN A 200 1 9 HELIX 11 11 PRO A 226 GLU A 241 1 16 HELIX 12 12 GLY A 242 TRP A 252 1 11 HELIX 13 13 TYR B 27 ASP B 30 5 4 HELIX 14 14 GLY B 34 GLY B 48 1 15 HELIX 15 15 ASN B 72 ASP B 80 1 9 HELIX 16 16 THR B 93 LYS B 98 1 6 HELIX 17 17 SER B 123 LYS B 129 1 7 HELIX 18 18 GLY B 141 SER B 150 1 10 HELIX 19 19 ILE B 152 SER B 164 1 13 HELIX 20 20 ARG B 165 LEU B 170 1 6 HELIX 21 21 SER B 173 SER B 184 1 12 HELIX 22 22 SER B 192 THR B 199 1 8 HELIX 23 23 PRO B 226 GLU B 241 1 16 HELIX 24 24 GLY B 242 ARG B 253 1 12 SHEET 1 A 3 TYR A 51 LEU A 55 0 SHEET 2 A 3 LEU A 6 THR A 10 1 N VAL A 8 O ARG A 54 SHEET 3 A 3 LEU A 85 ALA A 86 1 O LEU A 85 N THR A 9 SHEET 1 B 2 LEU A 18 PHE A 19 0 SHEET 2 B 2 PHE A 32 GLU A 33 -1 O GLU A 33 N LEU A 18 SHEET 1 C 2 ILE A 100 PHE A 102 0 SHEET 2 C 2 GLY A 220 PRO A 222 -1 O THR A 221 N ASP A 101 SHEET 1 D 4 GLU A 134 GLY A 136 0 SHEET 2 D 4 TYR A 186 GLU A 191 1 O LEU A 189 N GLY A 136 SHEET 3 D 4 MET A 107 ARG A 116 -1 N SER A 112 O MET A 190 SHEET 4 D 4 LEU A 205 ILE A 208 -1 O ILE A 208 N ILE A 113 SHEET 1 E 4 GLU A 134 GLY A 136 0 SHEET 2 E 4 TYR A 186 GLU A 191 1 O LEU A 189 N GLY A 136 SHEET 3 E 4 MET A 107 ARG A 116 -1 N SER A 112 O MET A 190 SHEET 4 E 4 SER A 214 TYR A 217 -1 O LYS A 215 N LEU A 109 SHEET 1 F 3 TYR B 51 LEU B 55 0 SHEET 2 F 3 LEU B 6 THR B 10 1 N VAL B 8 O ARG B 54 SHEET 3 F 3 LEU B 85 ALA B 86 1 O LEU B 85 N THR B 9 SHEET 1 G 2 LEU B 18 PHE B 19 0 SHEET 2 G 2 PHE B 32 GLU B 33 -1 O GLU B 33 N LEU B 18 SHEET 1 H 3 ALA B 91 ILE B 92 0 SHEET 2 H 3 LYS B 215 TYR B 217 -1 O GLY B 216 N ILE B 92 SHEET 3 H 3 MET B 107 LEU B 109 -1 N LEU B 109 O LYS B 215 SHEET 1 I 2 ILE B 100 PHE B 102 0 SHEET 2 I 2 GLY B 220 PRO B 222 -1 O THR B 221 N ASP B 101 SHEET 1 J 4 GLU B 134 GLY B 136 0 SHEET 2 J 4 TYR B 186 GLU B 191 1 O LEU B 189 N GLY B 136 SHEET 3 J 4 ILE B 111 ARG B 116 -1 N LEU B 114 O PHE B 188 SHEET 4 J 4 LEU B 205 ILE B 208 -1 O THR B 206 N TYR B 115 SSBOND 1 CYS A 94 CYS B 236 1555 1555 2.10 SSBOND 2 CYS A 203 CYS A 257 1555 1555 2.09 SSBOND 3 CYS A 236 CYS B 94 1555 1555 2.10 SSBOND 4 CYS B 203 CYS B 257 1555 1555 2.11 CISPEP 1 GLU A 14 PRO A 15 0 -1.76 CISPEP 2 GLU B 14 PRO B 15 0 -4.06 SITE 1 AC1 12 TYR A 61 PRO A 89 LEU A 90 ALA A 91 SITE 2 AC1 12 ARG A 96 GLY A 141 ALA A 142 THR A 143 SITE 3 AC1 12 GLU A 191 HOH A 999 HOH A1005 HOH A1105 SITE 1 AC2 12 TYR B 61 PRO B 89 LEU B 90 ALA B 91 SITE 2 AC2 12 ARG B 96 GLY B 141 ALA B 142 THR B 143 SITE 3 AC2 12 GLU B 191 HOH B1000 HOH B1003 HOH B1078 CRYST1 108.790 108.790 47.350 90.00 90.00 90.00 P 4 8 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 0.009192 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009192 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021119 0.00000 MASTER 495 0 2 24 29 0 6 6 0 0 0 40 END