HEADER TRANSPORT PROTEIN 12-NOV-10 2XXW TITLE CRYSTAL STRUCTURE OF THE GLUK2 (GLUR6) D776K LBD DIMER IN COMPLEX WITH TITLE 2 GLUTAMATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLUTAMATE RECEPTOR, IONOTROPIC KAINATE 2; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: LIGAND BINDING DOMAIN, RESIDUES 429-544,667-806; COMPND 5 SYNONYM: GLUTAMATE RECEPTOR 6, GLUR-6, GLUR6; COMPND 6 ENGINEERED: YES; COMPND 7 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 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VARIANT: PLYSS; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET21A KEYWDS TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR N.NAYEEM,O.MAYANS,T.GREEN REVDAT 5 20-DEC-23 2XXW 1 REMARK REVDAT 4 30-JAN-19 2XXW 1 REMARK REVDAT 3 04-APR-12 2XXW 1 JRNL REMARK VERSN REVDAT 2 09-MAR-11 2XXW 1 JRNL REVDAT 1 09-FEB-11 2XXW 0 JRNL AUTH N.NAYEEM,O.MAYANS,T.GREEN JRNL TITL CONFORMATIONAL FLEXIBILITY OF THE LIGAND-BINDING DOMAIN JRNL TITL 2 DIMER IN KAINATE RECEPTOR GATING AND DESENSITIZATION JRNL REF J.NEUROSCI. V. 31 2916 2011 JRNL REFN ISSN 0270-6474 JRNL PMID 21414913 JRNL DOI 10.1523/JNEUROSCI.4771-10.2011 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.97 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.990 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 25332 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.194 REMARK 3 R VALUE (WORKING SET) : 0.191 REMARK 3 FREE R VALUE : 0.244 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1266 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 29.9769 - 4.7785 0.98 2781 147 0.1580 0.1747 REMARK 3 2 4.7785 - 3.7952 0.99 2697 142 0.1506 0.2150 REMARK 3 3 3.7952 - 3.3162 0.99 2687 141 0.1893 0.2373 REMARK 3 4 3.3162 - 3.0133 1.00 2650 140 0.2087 0.2989 REMARK 3 5 3.0133 - 2.7975 1.00 2676 141 0.2204 0.2870 REMARK 3 6 2.7975 - 2.6327 1.00 2653 138 0.2282 0.3153 REMARK 3 7 2.6327 - 2.5009 1.00 2665 140 0.2312 0.3049 REMARK 3 8 2.5009 - 2.3921 1.00 2631 139 0.2459 0.3105 REMARK 3 9 2.3921 - 2.3000 0.98 2626 138 0.2561 0.3146 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0.32 REMARK 3 B_SOL : 44.04 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.340 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.760 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 40.14 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.85260 REMARK 3 B22 (A**2) : -8.14390 REMARK 3 B33 (A**2) : 4.29120 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.004 4112 REMARK 3 ANGLE : 0.762 5537 REMARK 3 CHIRALITY : 0.056 615 REMARK 3 PLANARITY : 0.003 696 REMARK 3 DIHEDRAL : 16.435 1531 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 6 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN A AND (RESID 429:483 OR RESID 763:805) REMARK 3 ORIGIN FOR THE GROUP (A): -20.8624 5.4888 -33.0374 REMARK 3 T TENSOR REMARK 3 T11: 0.3029 T22: 0.2150 REMARK 3 T33: 0.3148 T12: 0.0121 REMARK 3 T13: -0.0137 T23: -0.0492 REMARK 3 L TENSOR REMARK 3 L11: 1.0573 L22: 1.3847 REMARK 3 L33: 0.8004 L12: 0.8061 REMARK 3 L13: 0.2827 L23: 0.0603 REMARK 3 S TENSOR REMARK 3 S11: -0.1357 S12: -0.0281 S13: 0.3491 REMARK 3 S21: -0.1872 S22: 0.0610 S23: -0.1540 REMARK 3 S31: -0.1144 S32: -0.0130 S33: 0.0000 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: (CHAIN A AND RESID 484:762) REMARK 3 ORIGIN FOR THE GROUP (A): -20.6348 -10.4359 -18.0708 REMARK 3 T TENSOR REMARK 3 T11: 0.2527 T22: 0.2695 REMARK 3 T33: 0.1776 T12: -0.0148 REMARK 3 T13: -0.0105 T23: -0.0326 REMARK 3 L TENSOR REMARK 3 L11: 1.9274 L22: 1.8790 REMARK 3 L33: 1.1730 L12: -0.2984 REMARK 3 L13: 0.9410 L23: -0.4896 REMARK 3 S TENSOR REMARK 3 S11: 0.0310 S12: -0.3443 S13: 0.0190 REMARK 3 S21: 0.1904 S22: -0.0352 S23: 0.0388 REMARK 3 S31: 0.0702 S32: -0.2088 S33: 0.0001 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: (CHAIN A AND RESID 900) REMARK 3 ORIGIN FOR THE GROUP (A): -22.3716 -6.5889 -20.9794 REMARK 3 T TENSOR REMARK 3 T11: 0.5964 T22: 0.4524 REMARK 3 T33: 0.3450 T12: -0.0081 REMARK 3 T13: 0.0649 T23: -0.0813 REMARK 3 L TENSOR REMARK 3 L11: 1.1249 L22: 3.6742 REMARK 3 L33: 2.4502 L12: 2.0329 REMARK 3 L13: -1.6604 L23: -3.0008 REMARK 3 S TENSOR REMARK 3 S11: -0.1687 S12: -0.9462 S13: -0.4101 REMARK 3 S21: -0.0918 S22: 0.3960 S23: 0.3888 REMARK 3 S31: -0.1165 S32: -0.3717 S33: -0.4000 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN B AND (RESID 429:483 OR RESID 763:805) REMARK 3 ORIGIN FOR THE GROUP (A): -37.5926 -24.7327 -39.6640 REMARK 3 T TENSOR REMARK 3 T11: 0.2333 T22: 0.2454 REMARK 3 T33: 0.2605 T12: -0.0321 REMARK 3 T13: -0.0036 T23: 0.0504 REMARK 3 L TENSOR REMARK 3 L11: 1.8343 L22: 0.8363 REMARK 3 L33: 1.3430 L12: 0.8872 REMARK 3 L13: 0.0064 L23: -0.3476 REMARK 3 S TENSOR REMARK 3 S11: 0.0143 S12: -0.1470 S13: -0.1625 REMARK 3 S21: 0.0441 S22: -0.0486 S23: -0.1647 REMARK 3 S31: 0.1248 S32: -0.1125 S33: -0.0001 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: (CHAIN B AND RESID 484:762) REMARK 3 ORIGIN FOR THE GROUP (A): -22.3072 -17.2246 -53.4050 REMARK 3 T TENSOR REMARK 3 T11: 0.2801 T22: 0.2625 REMARK 3 T33: 0.2559 T12: 0.0214 REMARK 3 T13: 0.0452 T23: 0.0268 REMARK 3 L TENSOR REMARK 3 L11: 2.0504 L22: 1.9480 REMARK 3 L33: 1.6752 L12: 0.5689 REMARK 3 L13: 0.3428 L23: -0.4363 REMARK 3 S TENSOR REMARK 3 S11: -0.0272 S12: 0.1989 S13: -0.2194 REMARK 3 S21: -0.3625 S22: -0.0315 S23: -0.3700 REMARK 3 S31: 0.1632 S32: 0.1705 S33: -0.0000 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: (CHAIN B AND RESID 900) REMARK 3 ORIGIN FOR THE GROUP (A): -26.7443 -17.5762 -50.8348 REMARK 3 T TENSOR REMARK 3 T11: 0.3358 T22: 0.4802 REMARK 3 T33: 0.2889 T12: -0.0342 REMARK 3 T13: -0.0229 T23: -0.0736 REMARK 3 L TENSOR REMARK 3 L11: 1.8257 L22: 1.8896 REMARK 3 L33: 1.8734 L12: 1.8571 REMARK 3 L13: 1.8494 L23: 1.8806 REMARK 3 S TENSOR REMARK 3 S11: 0.3492 S12: -0.0272 S13: 0.1048 REMARK 3 S21: -0.1951 S22: 0.0179 S23: -0.0462 REMARK 3 S31: -0.0186 S32: -0.0481 S33: -0.0932 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2XXW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 12-NOV-10. REMARK 100 THE DEPOSITION ID IS D_1290046219. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL; NULL REMARK 200 TEMPERATURE (KELVIN) : 100; NULL REMARK 200 PH : NULL; NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : BESSY; DIAMOND REMARK 200 BEAMLINE : 14.2; I02 REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 0.91841; 1.5498 REMARK 200 MONOCHROMATOR : NULL; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX; ADSC CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25332 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.06000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.36 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.3 REMARK 200 DATA REDUNDANCY IN SHELL : 3.40 REMARK 200 R MERGE FOR SHELL (I) : 0.58000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 2XXR REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.42 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOR DIFFUSION, HANGING DROP 21% PEG REMARK 280 4000, 80MM SODIUM ACETATE REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 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,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+1/2,-Z+1/2 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 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 46.84350 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 53.41050 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 56.42700 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 46.84350 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 53.41050 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 56.42700 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 46.84350 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 53.41050 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 56.42700 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 46.84350 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 53.41050 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 56.42700 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 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: 2380 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22720 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -19.3 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 400 REMARK 400 COMPOUND REMARK 400 ENGINEERED RESIDUE IN CHAIN A, ASP 776 TO LYS REMARK 400 ENGINEERED RESIDUE IN CHAIN B, ASP 776 TO LYS 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 428 REMARK 465 SER A 429 REMARK 465 ASN A 430 REMARK 465 GLY A 801 REMARK 465 ASN A 802 REMARK 465 GLY A 803 REMARK 465 CYS A 804 REMARK 465 PRO A 805 REMARK 465 GLU A 806 REMARK 465 PRO A 807 REMARK 465 ARG A 808 REMARK 465 GLY B 428 REMARK 465 SER B 429 REMARK 465 GLY B 801 REMARK 465 ASN B 802 REMARK 465 GLY B 803 REMARK 465 CYS B 804 REMARK 465 PRO B 805 REMARK 465 GLU B 806 REMARK 465 PRO B 807 REMARK 465 ARG B 808 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 440 101.71 -170.15 REMARK 500 VAL A 494 -71.38 -77.51 REMARK 500 PRO A 516 65.34 -68.16 REMARK 500 LEU A 536 -169.86 -167.83 REMARK 500 SER A 539 -167.49 -161.60 REMARK 500 THR A 678 -6.71 -145.54 REMARK 500 ARG A 712 31.60 -145.29 REMARK 500 GLU B 440 113.55 -166.55 REMARK 500 LEU B 536 -165.70 -167.10 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 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLU B 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL B 901 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2I0C RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR6 LIGAND BINDING CORE DIMERCROSSLINKED REMARK 900 BY DISULFIDE BONDS BETWEEN Y490C AND L752C AT2.25 ANGSTROMS REMARK 900 RESOLUTION REMARK 900 RELATED ID: 1TT1 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR6 LIGAND BINDING CORE INCOMPLEX WITH REMARK 900 KAINATE 1.93 A RESOLUTION REMARK 900 RELATED ID: 1S7Y RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR6 LIGAND BINDING CORE INCOMPLEX WITH REMARK 900 GLUTAMATE AT 1. 75 A RESOLUTION ORTHORHOMBICFORM REMARK 900 RELATED ID: 2I0B RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR6 LIGAND BINDING CORE ELKQMUTANT DIMER REMARK 900 AT 1.96 ANGSTROMS RESOLUTION REMARK 900 RELATED ID: 1S9T RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR6 LIGAND BINDING CORE INCOMPLEX WITH REMARK 900 QUISQUALATE AT 1 .8A RESOLUTION REMARK 900 RELATED ID: 2XXY RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUK2 (GLUR6) D776K LBD DIMER IN COMPLEX REMARK 900 WITH KAINATE REMARK 900 RELATED ID: 1YAE RELATED DB: PDB REMARK 900 STRUCTURE OF THE KAINATE RECEPTOR SUBUNIT GLUR6 AGONISTBINDING REMARK 900 DOMAIN COMPLEXED WITH DOMOIC ACID REMARK 900 RELATED ID: 2XXR RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUK2 (GLUR6) WILD -TYPE LBD DIMER IN REMARK 900 COMPLEX WITH GLUTAMATE REMARK 900 RELATED ID: 2XXX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUK2 (GLUR6) D776K LBD DIMER IN COMPLEX REMARK 900 WITH GLUTAMATE (P21 21 21) REMARK 900 RELATED ID: 1S50 RELATED DB: PDB REMARK 900 X-RAY STRUCTURE OF THE GLUR6 LIGAND BINDING CORE (S1S2A) INCOMPLEX REMARK 900 WITH GLUTAMATE AT 1.65 A RESOLUTION REMARK 900 RELATED ID: 1SD3 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUR6 LIGAND BINDING CORE INCOMPLEX WITH REMARK 900 2S,4R-4- METHYLGLUTAMATE AT 1.8 ANGSTROMRESOLUTION REMARK 900 RELATED ID: 2XXU RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUK2 (GLUR6) M770K LBD DIMER IN COMPLEX REMARK 900 WITH GLUTAMATE REMARK 900 RELATED ID: 2XXT RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUK2 (GLUR6) WILD -TYPE LBD DIMER IN REMARK 900 COMPLEX WITH KAINATE REMARK 900 RELATED ID: 2XXV RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUK2 (GLUR6) M770K LBD DIMER IN COMPLEX REMARK 900 WITH KAINATE DBREF 2XXW A 429 544 UNP P42260 GRIK2_RAT 429 544 DBREF 2XXW A 667 806 UNP P42260 GRIK2_RAT 667 806 DBREF 2XXW B 429 544 UNP P42260 GRIK2_RAT 429 544 DBREF 2XXW B 667 806 UNP P42260 GRIK2_RAT 667 806 SEQADV 2XXW GLY A 428 UNP P42260 EXPRESSION TAG SEQADV 2XXW GLY A 555 UNP P42260 LINKER SEQADV 2XXW THR A 566 UNP P42260 LINKER SEQADV 2XXW LYS A 776 UNP P42260 ASP 776 ENGINEERED MUTATION SEQADV 2XXW PRO A 807 UNP P42260 EXPRESSION TAG SEQADV 2XXW ARG A 808 UNP P42260 EXPRESSION TAG SEQADV 2XXW GLY B 428 UNP P42260 EXPRESSION TAG SEQADV 2XXW GLY B 555 UNP P42260 LINKER SEQADV 2XXW THR B 566 UNP P42260 LINKER SEQADV 2XXW LYS B 776 UNP P42260 ASP 776 ENGINEERED MUTATION SEQADV 2XXW PRO B 807 UNP P42260 EXPRESSION TAG SEQADV 2XXW ARG B 808 UNP P42260 EXPRESSION TAG SEQRES 1 A 261 GLY SER ASN ARG SER LEU ILE VAL THR THR ILE LEU GLU SEQRES 2 A 261 GLU PRO TYR VAL LEU PHE LYS LYS SER ASP LYS PRO LEU SEQRES 3 A 261 TYR GLY ASN ASP ARG PHE GLU GLY TYR CYS ILE ASP LEU SEQRES 4 A 261 LEU ARG GLU LEU SER THR ILE LEU GLY PHE THR TYR GLU SEQRES 5 A 261 ILE ARG LEU VAL GLU ASP GLY LYS TYR GLY ALA GLN ASP SEQRES 6 A 261 ASP VAL ASN GLY GLN TRP ASN GLY MET VAL ARG GLU LEU SEQRES 7 A 261 ILE ASP HIS LYS ALA ASP LEU ALA VAL ALA PRO LEU ALA SEQRES 8 A 261 ILE THR TYR VAL ARG GLU LYS VAL ILE ASP PHE SER LYS SEQRES 9 A 261 PRO PHE MET THR LEU GLY ILE SER ILE LEU TYR ARG LYS SEQRES 10 A 261 GLY THR PRO ILE ASP SER ALA ASP ASP LEU ALA LYS GLN SEQRES 11 A 261 THR LYS ILE GLU TYR GLY ALA VAL GLU ASP GLY ALA THR SEQRES 12 A 261 MET THR PHE PHE LYS LYS SER LYS ILE SER THR TYR ASP SEQRES 13 A 261 LYS MET TRP ALA PHE MET SER SER ARG ARG GLN SER VAL SEQRES 14 A 261 LEU VAL LYS SER ASN GLU GLU GLY ILE GLN ARG VAL LEU SEQRES 15 A 261 THR SER ASP TYR ALA PHE LEU MET GLU SER THR THR ILE SEQRES 16 A 261 GLU PHE VAL THR GLN ARG ASN CYS ASN LEU THR GLN ILE SEQRES 17 A 261 GLY GLY LEU ILE ASP SER LYS GLY TYR GLY VAL GLY THR SEQRES 18 A 261 PRO MET GLY SER PRO TYR ARG LYS LYS ILE THR ILE ALA SEQRES 19 A 261 ILE LEU GLN LEU GLN GLU GLU GLY LYS LEU HIS MET MET SEQRES 20 A 261 LYS GLU LYS TRP TRP ARG GLY ASN GLY CYS PRO GLU PRO SEQRES 21 A 261 ARG SEQRES 1 B 261 GLY SER ASN ARG SER LEU ILE VAL THR THR ILE LEU GLU SEQRES 2 B 261 GLU PRO TYR VAL LEU PHE LYS LYS SER ASP LYS PRO LEU SEQRES 3 B 261 TYR GLY ASN ASP ARG PHE GLU GLY TYR CYS ILE ASP LEU SEQRES 4 B 261 LEU ARG GLU LEU SER THR ILE LEU GLY PHE THR TYR GLU SEQRES 5 B 261 ILE ARG LEU VAL GLU ASP GLY LYS TYR GLY ALA GLN ASP SEQRES 6 B 261 ASP VAL ASN GLY GLN TRP ASN GLY MET VAL ARG GLU LEU SEQRES 7 B 261 ILE ASP HIS LYS ALA ASP LEU ALA VAL ALA PRO LEU ALA SEQRES 8 B 261 ILE THR TYR VAL ARG GLU LYS VAL ILE ASP PHE SER LYS SEQRES 9 B 261 PRO PHE MET THR LEU GLY ILE SER ILE LEU TYR ARG LYS SEQRES 10 B 261 GLY THR PRO ILE ASP SER ALA ASP ASP LEU ALA LYS GLN SEQRES 11 B 261 THR LYS ILE GLU TYR GLY ALA VAL GLU ASP GLY ALA THR SEQRES 12 B 261 MET THR PHE PHE LYS LYS SER LYS ILE SER THR TYR ASP SEQRES 13 B 261 LYS MET TRP ALA PHE MET SER SER ARG ARG GLN SER VAL SEQRES 14 B 261 LEU VAL LYS SER ASN GLU GLU GLY ILE GLN ARG VAL LEU SEQRES 15 B 261 THR SER ASP TYR ALA PHE LEU MET GLU SER THR THR ILE SEQRES 16 B 261 GLU PHE VAL THR GLN ARG ASN CYS ASN LEU THR GLN ILE SEQRES 17 B 261 GLY GLY LEU ILE ASP SER LYS GLY TYR GLY VAL GLY THR SEQRES 18 B 261 PRO MET GLY SER PRO TYR ARG LYS LYS ILE THR ILE ALA SEQRES 19 B 261 ILE LEU GLN LEU GLN GLU GLU GLY LYS LEU HIS MET MET SEQRES 20 B 261 LYS GLU LYS TRP TRP ARG GLY ASN GLY CYS PRO GLU PRO SEQRES 21 B 261 ARG HET GLU A 900 10 HET GLU B 900 10 HET CL B 901 1 HETNAM GLU GLUTAMIC ACID HETNAM CL CHLORIDE ION FORMUL 3 GLU 2(C5 H9 N O4) FORMUL 5 CL CL 1- FORMUL 6 HOH *170(H2 O) HELIX 1 1 TYR A 454 ASP A 457 5 4 HELIX 2 2 GLY A 461 GLY A 475 1 15 HELIX 3 3 ASN A 499 ASP A 507 1 9 HELIX 4 4 THR A 520 LYS A 525 1 6 HELIX 5 5 SER A 670 LYS A 676 1 7 HELIX 6 6 GLY A 688 SER A 697 1 10 HELIX 7 7 ILE A 699 SER A 711 1 13 HELIX 8 8 ARG A 712 LEU A 717 1 6 HELIX 9 9 SER A 720 SER A 731 1 12 HELIX 10 10 SER A 739 ASN A 749 1 11 HELIX 11 11 PRO A 773 GLU A 788 1 16 HELIX 12 12 GLY A 789 TRP A 799 1 11 HELIX 13 13 TYR B 454 ASP B 457 5 4 HELIX 14 14 GLY B 461 GLY B 475 1 15 HELIX 15 15 ASN B 499 ASP B 507 1 9 HELIX 16 16 THR B 520 LYS B 525 1 6 HELIX 17 17 SER B 670 GLN B 677 1 8 HELIX 18 18 GLY B 688 SER B 697 1 10 HELIX 19 19 ILE B 699 ARG B 712 1 14 HELIX 20 20 ARG B 712 LEU B 717 1 6 HELIX 21 21 SER B 720 SER B 731 1 12 HELIX 22 22 SER B 739 ASN B 749 1 11 HELIX 23 23 PRO B 773 GLU B 788 1 16 HELIX 24 24 GLY B 789 ARG B 800 1 12 SHEET 1 AA 3 TYR A 478 LEU A 482 0 SHEET 2 AA 3 LEU A 433 THR A 437 1 O LEU A 433 N GLU A 479 SHEET 3 AA 3 LEU A 512 ALA A 513 1 O LEU A 512 N THR A 436 SHEET 1 AB 2 LEU A 445 PHE A 446 0 SHEET 2 AB 2 PHE A 459 GLU A 460 -1 O GLU A 460 N LEU A 445 SHEET 1 AC 2 ILE A 527 PHE A 529 0 SHEET 2 AC 2 GLY A 767 PRO A 769 -1 O THR A 768 N ASP A 528 SHEET 1 AD 2 MET A 534 LEU A 536 0 SHEET 2 AD 2 LYS A 762 TYR A 764 -1 O LYS A 762 N LEU A 536 SHEET 1 AE 4 GLU A 681 GLY A 683 0 SHEET 2 AE 4 TYR A 733 GLU A 738 1 O ALA A 734 N GLY A 683 SHEET 3 AE 4 ILE A 538 ARG A 543 -1 O SER A 539 N MET A 737 SHEET 4 AE 4 LEU A 752 ILE A 755 -1 O THR A 753 N TYR A 542 SHEET 1 BA 3 TYR B 478 LEU B 482 0 SHEET 2 BA 3 LEU B 433 THR B 437 1 O LEU B 433 N GLU B 479 SHEET 3 BA 3 LEU B 512 ALA B 513 1 O LEU B 512 N THR B 436 SHEET 1 BB 2 LEU B 445 PHE B 446 0 SHEET 2 BB 2 PHE B 459 GLU B 460 -1 O GLU B 460 N LEU B 445 SHEET 1 BC 2 ILE B 527 PHE B 529 0 SHEET 2 BC 2 GLY B 767 PRO B 769 -1 O THR B 768 N ASP B 528 SHEET 1 BD 2 MET B 534 LEU B 536 0 SHEET 2 BD 2 LYS B 762 TYR B 764 -1 O LYS B 762 N LEU B 536 SHEET 1 BE 4 GLU B 681 GLY B 683 0 SHEET 2 BE 4 TYR B 733 GLU B 738 1 O ALA B 734 N GLY B 683 SHEET 3 BE 4 ILE B 538 ARG B 543 -1 O SER B 539 N MET B 737 SHEET 4 BE 4 LEU B 752 ILE B 755 -1 O THR B 753 N TYR B 542 CISPEP 1 GLU A 441 PRO A 442 0 1.25 CISPEP 2 GLU B 441 PRO B 442 0 -0.39 SITE 1 AC1 10 TYR A 488 PRO A 516 ALA A 518 ARG A 523 SITE 2 AC1 10 GLY A 688 ALA A 689 THR A 690 GLU A 738 SITE 3 AC1 10 HOH A2046 HOH A2085 SITE 1 AC2 13 TYR B 488 PRO B 516 LEU B 517 ALA B 518 SITE 2 AC2 13 ARG B 523 GLY B 688 ALA B 689 THR B 690 SITE 3 AC2 13 GLU B 738 HOH B2027 HOH B2083 HOH B2084 SITE 4 AC2 13 HOH B2085 SITE 1 AC3 3 LYS B 531 ARG B 775 THR B 779 CRYST1 93.687 106.821 112.854 90.00 90.00 90.00 I 2 2 2 16 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 0.010674 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009361 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008861 0.00000