HEADER TRANSPORT PROTEIN 12-NOV-10 2XXY TITLE CRYSTAL STRUCTURE OF THE GLUK2 (GLUR6) D776K LBD DIMER IN COMPLEX WITH TITLE 2 KAINATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLUTAMATE RECEPTOR, IONOTROPIC KAINATE 2; COMPND 3 CHAIN: A, B, C, D; 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_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET21A KEYWDS TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR N.NAYEEM,O.MAYANS,T.GREEN REVDAT 5 20-DEC-23 2XXY 1 REMARK REVDAT 4 30-JAN-19 2XXY 1 REMARK REVDAT 3 28-MAR-12 2XXY 1 JRNL REMARK VERSN REVDAT 2 09-MAR-11 2XXY 1 JRNL REVDAT 1 09-FEB-11 2XXY 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. 3.00 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) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.85 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.990 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 3 NUMBER OF REFLECTIONS : 21367 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.224 REMARK 3 R VALUE (WORKING SET) : 0.222 REMARK 3 FREE R VALUE : 0.264 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1058 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 19.8464 - 5.9525 0.95 2607 140 0.1678 0.2045 REMARK 3 2 5.9525 - 4.7459 0.97 2547 130 0.1753 0.2274 REMARK 3 3 4.7459 - 4.1523 0.98 2552 135 0.1646 0.2076 REMARK 3 4 4.1523 - 3.7755 0.98 2511 137 0.2036 0.2408 REMARK 3 5 3.7755 - 3.5064 0.98 2553 127 0.2410 0.2418 REMARK 3 6 3.5064 - 3.3007 0.99 2506 122 0.2715 0.3241 REMARK 3 7 3.3007 - 3.1361 0.99 2529 135 0.3103 0.4102 REMARK 3 8 3.1361 - 3.0000 0.98 2504 132 0.3340 0.3672 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 : 0.30 REMARK 3 B_SOL : 16.32 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.360 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 28.220 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 37.25 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -13.32190 REMARK 3 B22 (A**2) : -6.52170 REMARK 3 B33 (A**2) : 18.76640 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 : 0.008 8131 REMARK 3 ANGLE : 1.147 10959 REMARK 3 CHIRALITY : 0.076 1229 REMARK 3 PLANARITY : 0.003 1368 REMARK 3 DIHEDRAL : 16.719 3025 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 8 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN A AND (RESID 431:483 OR RESID 763:799) REMARK 3 ORIGIN FOR THE GROUP (A): -24.7876 6.4381 -19.0054 REMARK 3 T TENSOR REMARK 3 T11: 0.0951 T22: 0.1056 REMARK 3 T33: 0.0459 T12: -0.0116 REMARK 3 T13: -0.0482 T23: 0.0676 REMARK 3 L TENSOR REMARK 3 L11: 0.1583 L22: 0.4255 REMARK 3 L33: 0.2210 L12: -0.1003 REMARK 3 L13: 0.0708 L23: -0.1051 REMARK 3 S TENSOR REMARK 3 S11: -0.0589 S12: 0.1252 S13: -0.0212 REMARK 3 S21: -0.0348 S22: 0.0770 S23: 0.2052 REMARK 3 S31: -0.1236 S32: 0.0391 S33: -0.0135 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: (CHAIN A AND RESID 484:762) REMARK 3 ORIGIN FOR THE GROUP (A): -5.9255 -2.0643 -26.4235 REMARK 3 T TENSOR REMARK 3 T11: 0.1465 T22: 0.1909 REMARK 3 T33: 0.0797 T12: -0.0629 REMARK 3 T13: 0.0031 T23: -0.0753 REMARK 3 L TENSOR REMARK 3 L11: 1.1532 L22: 0.7542 REMARK 3 L33: 0.3911 L12: 0.2093 REMARK 3 L13: 0.2270 L23: 0.0811 REMARK 3 S TENSOR REMARK 3 S11: -0.2321 S12: 0.3417 S13: -0.3935 REMARK 3 S21: -0.1694 S22: 0.3226 S23: 0.0147 REMARK 3 S31: 0.0699 S32: 0.1220 S33: -0.0745 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN B AND (RESID 431:483 OR RESID 763:799) REMARK 3 ORIGIN FOR THE GROUP (A): -0.1385 -3.5746 3.9487 REMARK 3 T TENSOR REMARK 3 T11: 0.0768 T22: 0.1990 REMARK 3 T33: 0.1312 T12: 0.0046 REMARK 3 T13: -0.0476 T23: -0.0318 REMARK 3 L TENSOR REMARK 3 L11: 0.9897 L22: 0.1177 REMARK 3 L33: 0.2135 L12: -0.2315 REMARK 3 L13: 0.1966 L23: -0.0408 REMARK 3 S TENSOR REMARK 3 S11: -0.0180 S12: -0.2085 S13: -0.3405 REMARK 3 S21: 0.0373 S22: 0.2075 S23: -0.0171 REMARK 3 S31: -0.0624 S32: 0.1519 S33: -0.1030 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: (CHAIN B AND RESID 484:762) REMARK 3 ORIGIN FOR THE GROUP (A): -20.5030 -11.6416 5.5504 REMARK 3 T TENSOR REMARK 3 T11: 0.0531 T22: 0.0012 REMARK 3 T33: 0.0114 T12: 0.0050 REMARK 3 T13: 0.0379 T23: 0.0842 REMARK 3 L TENSOR REMARK 3 L11: 1.6982 L22: 0.2338 REMARK 3 L33: 0.7343 L12: -0.6163 REMARK 3 L13: 0.5306 L23: -0.1635 REMARK 3 S TENSOR REMARK 3 S11: 0.0844 S12: -0.0752 S13: -0.6001 REMARK 3 S21: -0.0589 S22: 0.1142 S23: 0.2387 REMARK 3 S31: 0.0798 S32: 0.0798 S33: 0.0746 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: CHAIN C AND (RESID 431:483 OR RESID 763:799) REMARK 3 ORIGIN FOR THE GROUP (A): -65.0382 3.2333 6.4916 REMARK 3 T TENSOR REMARK 3 T11: 0.1459 T22: 0.0549 REMARK 3 T33: 0.4041 T12: 0.0535 REMARK 3 T13: 0.2388 T23: 0.1391 REMARK 3 L TENSOR REMARK 3 L11: 0.1559 L22: 0.3810 REMARK 3 L33: 0.3357 L12: 0.0337 REMARK 3 L13: -0.0019 L23: 0.2169 REMARK 3 S TENSOR REMARK 3 S11: -0.2257 S12: -0.0571 S13: -0.3138 REMARK 3 S21: 0.1288 S22: 0.0826 S23: 0.4677 REMARK 3 S31: -0.0508 S32: -0.0714 S33: -0.1261 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: (CHAIN C AND RESID 484:762) REMARK 3 ORIGIN FOR THE GROUP (A): -44.8218 11.7944 6.3814 REMARK 3 T TENSOR REMARK 3 T11: 0.0888 T22: 0.1111 REMARK 3 T33: 0.0451 T12: 0.0596 REMARK 3 T13: 0.1048 T23: 0.0580 REMARK 3 L TENSOR REMARK 3 L11: 0.2726 L22: 0.2592 REMARK 3 L33: 1.1818 L12: -0.1359 REMARK 3 L13: -0.2267 L23: 0.2011 REMARK 3 S TENSOR REMARK 3 S11: -0.1863 S12: -0.1238 S13: -0.0863 REMARK 3 S21: 0.0479 S22: 0.1561 S23: 0.2046 REMARK 3 S31: -0.1290 S32: -0.0196 S33: -0.4063 REMARK 3 TLS GROUP : 7 REMARK 3 SELECTION: CHAIN D AND (RESID 431:483 OR RESID 763:799) REMARK 3 ORIGIN FOR THE GROUP (A): -42.0396 -5.9436 -18.3279 REMARK 3 T TENSOR REMARK 3 T11: 0.1065 T22: 0.0188 REMARK 3 T33: 0.2497 T12: 0.0096 REMARK 3 T13: 0.0892 T23: -0.0002 REMARK 3 L TENSOR REMARK 3 L11: 0.1631 L22: 0.3333 REMARK 3 L33: 0.1318 L12: 0.1192 REMARK 3 L13: -0.0253 L23: -0.0811 REMARK 3 S TENSOR REMARK 3 S11: -0.0777 S12: -0.0100 S13: 0.0291 REMARK 3 S21: -0.0712 S22: 0.0272 S23: 0.0802 REMARK 3 S31: 0.0667 S32: 0.0354 S33: 0.0824 REMARK 3 TLS GROUP : 8 REMARK 3 SELECTION: (CHAIN D AND RESID 484:762) REMARK 3 ORIGIN FOR THE GROUP (A): -61.1662 3.5130 -23.8733 REMARK 3 T TENSOR REMARK 3 T11: -0.2424 T22: 0.2394 REMARK 3 T33: 0.4020 T12: -0.1053 REMARK 3 T13: 0.0491 T23: 0.0728 REMARK 3 L TENSOR REMARK 3 L11: 1.0144 L22: 0.0912 REMARK 3 L33: 0.5395 L12: 0.2479 REMARK 3 L13: -0.7501 L23: -0.1566 REMARK 3 S TENSOR REMARK 3 S11: 0.0001 S12: 0.5705 S13: -0.1270 REMARK 3 S21: 0.0262 S22: 0.2975 S23: -0.0554 REMARK 3 S31: 0.1495 S32: -0.5746 S33: 0.0834 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : 1 REMARK 3 NCS GROUP : 1 REMARK 3 NCS OPERATOR : 1 REMARK 3 REFERENCE SELECTION: CHAIN C AND NOT ((RESSEQ 447:454) OR REMARK 3 (RESSEQ 484) OR (RESSEQ 491:495) OR REMARK 3 (RESSEQ 521) OR (RESSEQ 525) OR (RESSEQ REMARK 3 543) OR (RESSEQ 698) OR (RESSEQ 704) OR REMARK 3 (RESSEQ 713:714) OR (RESSEQ 726) OR REMARK 3 (RESSEQ 773) OR (RESSEQ 784)) REMARK 3 SELECTION : CHAIN A AND NOT ((RESSEQ 447:454) OR REMARK 3 (RESSEQ 484) OR (RESSEQ 491:495) OR REMARK 3 (RESSEQ 521) OR (RESSEQ 525) OR (RESSEQ REMARK 3 543) OR (RESSEQ 698) OR (RESSEQ 704) OR REMARK 3 (RESSEQ 713:714) OR (RESSEQ 726) OR REMARK 3 (RESSEQ 773) OR (RESSEQ 784)) REMARK 3 ATOM PAIRS NUMBER : 1786 REMARK 3 RMSD : 0.052 REMARK 3 NCS OPERATOR : 2 REMARK 3 REFERENCE SELECTION: CHAIN C AND NOT ((RESSEQ 447:454) OR REMARK 3 (RESSEQ 484) OR (RESSEQ 491:495) OR REMARK 3 (RESSEQ 521) OR (RESSEQ 525) OR (RESSEQ REMARK 3 543) OR (RESSEQ 698) OR (RESSEQ 704) OR REMARK 3 (RESSEQ 713:714) OR (RESSEQ 726) OR REMARK 3 (RESSEQ 773) OR (RESSEQ 784)) REMARK 3 SELECTION : CHAIN B AND NOT ((RESSEQ 447:454) OR REMARK 3 (RESSEQ 484) OR (RESSEQ 491:495) OR REMARK 3 (RESSEQ 521) OR (RESSEQ 525) OR (RESSEQ REMARK 3 543) OR (RESSEQ 698) OR (RESSEQ 704) OR REMARK 3 (RESSEQ 713:714) OR (RESSEQ 726) OR REMARK 3 (RESSEQ 773) OR (RESSEQ 784)) REMARK 3 ATOM PAIRS NUMBER : 1786 REMARK 3 RMSD : 0.045 REMARK 3 NCS OPERATOR : 3 REMARK 3 REFERENCE SELECTION: CHAIN C AND NOT ((RESSEQ 447:454) OR REMARK 3 (RESSEQ 484) OR (RESSEQ 491:495) OR REMARK 3 (RESSEQ 521) OR (RESSEQ 525) OR (RESSEQ REMARK 3 543) OR (RESSEQ 698) OR (RESSEQ 704) OR REMARK 3 (RESSEQ 713:714) OR (RESSEQ 726) OR REMARK 3 (RESSEQ 773) OR (RESSEQ 784)) REMARK 3 SELECTION : CHAIN D AND NOT ((RESSEQ 447:454) OR REMARK 3 (RESSEQ 484) OR (RESSEQ 491:495) OR REMARK 3 (RESSEQ 521) OR (RESSEQ 525) OR (RESSEQ REMARK 3 543) OR (RESSEQ 698) OR (RESSEQ 704) OR REMARK 3 (RESSEQ 713:714) OR (RESSEQ 726) OR REMARK 3 (RESSEQ 773) OR (RESSEQ 784)) REMARK 3 ATOM PAIRS NUMBER : 1786 REMARK 3 RMSD : 0.052 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2XXY 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_1290046223. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I02 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0332 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : ADSC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21368 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 19.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 200 DATA REDUNDANCY : 7.600 REMARK 200 R MERGE (I) : 0.18000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.08 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.7 REMARK 200 DATA REDUNDANCY IN SHELL : 8.20 REMARK 200 R MERGE FOR SHELL (I) : 0.66000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 2XXT REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOR DIFFUSION, HANGING DROP 21% PEG REMARK 280 4000, 3% PROPAN-2-OL, 80MM SODIUM ACETATE REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 42.83250 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 62.31350 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 49.72100 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 62.31350 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 42.83250 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 49.72100 REMARK 290 SMTRY3 4 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: 2150 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21610 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.8 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 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: 2250 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21610 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -9.2 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D 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 400 ENGINEERED RESIDUE IN CHAIN C, ASP 776 TO LYS REMARK 400 ENGINEERED RESIDUE IN CHAIN D, 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 ARG A 431 REMARK 465 ARG A 800 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 ASN B 430 REMARK 465 ARG B 431 REMARK 465 ARG B 800 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 465 GLY C 428 REMARK 465 SER C 429 REMARK 465 ASN C 430 REMARK 465 ARG C 431 REMARK 465 ARG C 800 REMARK 465 GLY C 801 REMARK 465 ASN C 802 REMARK 465 GLY C 803 REMARK 465 CYS C 804 REMARK 465 PRO C 805 REMARK 465 GLU C 806 REMARK 465 PRO C 807 REMARK 465 ARG C 808 REMARK 465 GLY D 428 REMARK 465 SER D 429 REMARK 465 ASN D 430 REMARK 465 ASP D 493 REMARK 465 VAL D 494 REMARK 465 ASN D 495 REMARK 465 ARG D 800 REMARK 465 GLY D 801 REMARK 465 ASN D 802 REMARK 465 GLY D 803 REMARK 465 CYS D 804 REMARK 465 PRO D 805 REMARK 465 GLU D 806 REMARK 465 PRO D 807 REMARK 465 ARG D 808 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 PRO B 773 C - N - CA ANGL. DEV. = 12.7 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 THR A 437 -168.18 -163.30 REMARK 500 GLU A 440 107.68 -171.24 REMARK 500 PRO A 452 137.34 -27.73 REMARK 500 VAL A 494 -72.22 -58.93 REMARK 500 LEU A 536 -150.73 -135.61 REMARK 500 LYS A 676 22.43 -73.84 REMARK 500 ASP A 760 -158.09 -136.91 REMARK 500 SER A 761 83.06 -150.57 REMARK 500 THR B 437 -167.63 -165.29 REMARK 500 GLU B 440 110.35 -170.35 REMARK 500 VAL B 494 -71.93 -87.34 REMARK 500 LEU B 536 -150.82 -134.55 REMARK 500 LYS B 676 22.63 -74.60 REMARK 500 ASP B 760 -157.33 -134.75 REMARK 500 SER B 761 79.76 -152.24 REMARK 500 THR C 437 -166.59 -163.90 REMARK 500 GLU C 440 107.70 -171.19 REMARK 500 LEU C 536 -147.53 -135.48 REMARK 500 LYS C 676 22.04 -74.58 REMARK 500 ASP C 760 -157.98 -133.72 REMARK 500 SER C 761 81.42 -150.20 REMARK 500 THR D 437 -167.26 -162.26 REMARK 500 GLU D 440 106.56 -172.06 REMARK 500 LEU D 536 -150.30 -135.21 REMARK 500 ASP D 669 -0.07 -144.82 REMARK 500 LYS D 676 22.76 -76.50 REMARK 500 ARG D 713 -2.20 -57.14 REMARK 500 ASP D 760 -158.27 -132.61 REMARK 500 SER D 761 84.12 -150.10 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 KAI A 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE KAI B 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE KAI C 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE KAI D 900 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: 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: 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: 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: 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: 2XXV RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUK2 (GLUR6) M770K LBD DIMER IN COMPLEX REMARK 900 WITH KAINATE 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: 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: 2XXW RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GLUK2 (GLUR6) D776K LBD DIMER IN COMPLEX REMARK 900 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) DBREF 2XXY A 429 544 UNP P42260 GRIK2_RAT 429 544 DBREF 2XXY A 667 806 UNP P42260 GRIK2_RAT 667 806 DBREF 2XXY B 429 544 UNP P42260 GRIK2_RAT 429 544 DBREF 2XXY B 667 806 UNP P42260 GRIK2_RAT 667 806 DBREF 2XXY C 429 544 UNP P42260 GRIK2_RAT 429 544 DBREF 2XXY C 667 806 UNP P42260 GRIK2_RAT 667 806 DBREF 2XXY D 429 544 UNP P42260 GRIK2_RAT 429 544 DBREF 2XXY D 667 806 UNP P42260 GRIK2_RAT 667 806 SEQADV 2XXY GLY A 428 UNP P42260 EXPRESSION TAG SEQADV 2XXY GLY A 555 UNP P42260 LINKER SEQADV 2XXY THR A 566 UNP P42260 LINKER SEQADV 2XXY LYS A 776 UNP P42260 ASP 776 ENGINEERED MUTATION SEQADV 2XXY PRO A 807 UNP P42260 EXPRESSION TAG SEQADV 2XXY ARG A 808 UNP P42260 EXPRESSION TAG SEQADV 2XXY GLY B 428 UNP P42260 EXPRESSION TAG SEQADV 2XXY GLY B 555 UNP P42260 LINKER SEQADV 2XXY THR B 566 UNP P42260 LINKER SEQADV 2XXY LYS B 776 UNP P42260 ASP 776 ENGINEERED MUTATION SEQADV 2XXY PRO B 807 UNP P42260 EXPRESSION TAG SEQADV 2XXY ARG B 808 UNP P42260 EXPRESSION TAG SEQADV 2XXY GLY C 428 UNP P42260 EXPRESSION TAG SEQADV 2XXY GLY C 555 UNP P42260 LINKER SEQADV 2XXY THR C 566 UNP P42260 LINKER SEQADV 2XXY LYS C 776 UNP P42260 ASP 776 ENGINEERED MUTATION SEQADV 2XXY PRO C 807 UNP P42260 EXPRESSION TAG SEQADV 2XXY ARG C 808 UNP P42260 EXPRESSION TAG SEQADV 2XXY GLY D 428 UNP P42260 EXPRESSION TAG SEQADV 2XXY GLY D 555 UNP P42260 LINKER SEQADV 2XXY THR D 566 UNP P42260 LINKER SEQADV 2XXY LYS D 776 UNP P42260 ASP 776 ENGINEERED MUTATION SEQADV 2XXY PRO D 807 UNP P42260 EXPRESSION TAG SEQADV 2XXY ARG D 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 SEQRES 1 C 261 GLY SER ASN ARG SER LEU ILE VAL THR THR ILE LEU GLU SEQRES 2 C 261 GLU PRO TYR VAL LEU PHE LYS LYS SER ASP LYS PRO LEU SEQRES 3 C 261 TYR GLY ASN ASP ARG PHE GLU GLY TYR CYS ILE ASP LEU SEQRES 4 C 261 LEU ARG GLU LEU SER THR ILE LEU GLY PHE THR TYR GLU SEQRES 5 C 261 ILE ARG LEU VAL GLU ASP GLY LYS TYR GLY ALA GLN ASP SEQRES 6 C 261 ASP VAL ASN GLY GLN TRP ASN GLY MET VAL ARG GLU LEU SEQRES 7 C 261 ILE ASP HIS LYS ALA ASP LEU ALA VAL ALA PRO LEU ALA SEQRES 8 C 261 ILE THR TYR VAL ARG GLU LYS VAL ILE ASP PHE SER LYS SEQRES 9 C 261 PRO PHE MET THR LEU GLY ILE SER ILE LEU TYR ARG LYS SEQRES 10 C 261 GLY THR PRO ILE ASP SER ALA ASP ASP LEU ALA LYS GLN SEQRES 11 C 261 THR LYS ILE GLU TYR GLY ALA VAL GLU ASP GLY ALA THR SEQRES 12 C 261 MET THR PHE PHE LYS LYS SER LYS ILE SER THR TYR ASP SEQRES 13 C 261 LYS MET TRP ALA PHE MET SER SER ARG ARG GLN SER VAL SEQRES 14 C 261 LEU VAL LYS SER ASN GLU GLU GLY ILE GLN ARG VAL LEU SEQRES 15 C 261 THR SER ASP TYR ALA PHE LEU MET GLU SER THR THR ILE SEQRES 16 C 261 GLU PHE VAL THR GLN ARG ASN CYS ASN LEU THR GLN ILE SEQRES 17 C 261 GLY GLY LEU ILE ASP SER LYS GLY TYR GLY VAL GLY THR SEQRES 18 C 261 PRO MET GLY SER PRO TYR ARG LYS LYS ILE THR ILE ALA SEQRES 19 C 261 ILE LEU GLN LEU GLN GLU GLU GLY LYS LEU HIS MET MET SEQRES 20 C 261 LYS GLU LYS TRP TRP ARG GLY ASN GLY CYS PRO GLU PRO SEQRES 21 C 261 ARG SEQRES 1 D 261 GLY SER ASN ARG SER LEU ILE VAL THR THR ILE LEU GLU SEQRES 2 D 261 GLU PRO TYR VAL LEU PHE LYS LYS SER ASP LYS PRO LEU SEQRES 3 D 261 TYR GLY ASN ASP ARG PHE GLU GLY TYR CYS ILE ASP LEU SEQRES 4 D 261 LEU ARG GLU LEU SER THR ILE LEU GLY PHE THR TYR GLU SEQRES 5 D 261 ILE ARG LEU VAL GLU ASP GLY LYS TYR GLY ALA GLN ASP SEQRES 6 D 261 ASP VAL ASN GLY GLN TRP ASN GLY MET VAL ARG GLU LEU SEQRES 7 D 261 ILE ASP HIS LYS ALA ASP LEU ALA VAL ALA PRO LEU ALA SEQRES 8 D 261 ILE THR TYR VAL ARG GLU LYS VAL ILE ASP PHE SER LYS SEQRES 9 D 261 PRO PHE MET THR LEU GLY ILE SER ILE LEU TYR ARG LYS SEQRES 10 D 261 GLY THR PRO ILE ASP SER ALA ASP ASP LEU ALA LYS GLN SEQRES 11 D 261 THR LYS ILE GLU TYR GLY ALA VAL GLU ASP GLY ALA THR SEQRES 12 D 261 MET THR PHE PHE LYS LYS SER LYS ILE SER THR TYR ASP SEQRES 13 D 261 LYS MET TRP ALA PHE MET SER SER ARG ARG GLN SER VAL SEQRES 14 D 261 LEU VAL LYS SER ASN GLU GLU GLY ILE GLN ARG VAL LEU SEQRES 15 D 261 THR SER ASP TYR ALA PHE LEU MET GLU SER THR THR ILE SEQRES 16 D 261 GLU PHE VAL THR GLN ARG ASN CYS ASN LEU THR GLN ILE SEQRES 17 D 261 GLY GLY LEU ILE ASP SER LYS GLY TYR GLY VAL GLY THR SEQRES 18 D 261 PRO MET GLY SER PRO TYR ARG LYS LYS ILE THR ILE ALA SEQRES 19 D 261 ILE LEU GLN LEU GLN GLU GLU GLY LYS LEU HIS MET MET SEQRES 20 D 261 LYS GLU LYS TRP TRP ARG GLY ASN GLY CYS PRO GLU PRO SEQRES 21 D 261 ARG HET KAI A 900 15 HET KAI B 900 15 HET KAI C 900 15 HET KAI D 900 15 HETNAM KAI 3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE HETSYN KAI KAINATE FORMUL 5 KAI 4(C10 H15 N O4) 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 LYS A 696 1 9 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 LYS B 676 1 7 HELIX 18 18 GLY B 688 LYS B 696 1 9 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 LEU B 729 1 10 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 TRP B 799 1 11 HELIX 25 25 TYR C 454 ASP C 457 5 4 HELIX 26 26 GLY C 461 GLY C 475 1 15 HELIX 27 27 ASN C 499 ASP C 507 1 9 HELIX 28 28 THR C 520 LYS C 525 1 6 HELIX 29 29 SER C 670 LYS C 676 1 7 HELIX 30 30 GLY C 688 LYS C 696 1 9 HELIX 31 31 ILE C 699 SER C 711 1 13 HELIX 32 32 ARG C 712 LEU C 717 1 6 HELIX 33 33 SER C 720 THR C 730 1 11 HELIX 34 34 SER C 739 ASN C 749 1 11 HELIX 35 35 PRO C 773 GLU C 788 1 16 HELIX 36 36 GLY C 789 TRP C 799 1 11 HELIX 37 37 TYR D 454 ASP D 457 5 4 HELIX 38 38 GLY D 461 GLY D 475 1 15 HELIX 39 39 ASN D 499 ASP D 507 1 9 HELIX 40 40 THR D 520 LYS D 525 1 6 HELIX 41 41 SER D 670 LYS D 676 1 7 HELIX 42 42 GLY D 688 LYS D 696 1 9 HELIX 43 43 ILE D 699 SER D 711 1 13 HELIX 44 44 SER D 720 THR D 730 1 11 HELIX 45 45 SER D 739 ASN D 749 1 11 HELIX 46 46 PRO D 773 GLU D 788 1 16 HELIX 47 47 GLY D 789 TRP D 799 1 11 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 THR A 535 0 SHEET 2 AD 2 GLY A 763 TYR A 764 -1 N TYR A 764 O MET A 534 SHEET 1 AE 4 GLU A 681 ALA A 684 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 THR B 535 0 SHEET 2 BD 2 GLY B 763 TYR B 764 -1 N TYR B 764 O MET B 534 SHEET 1 BE 4 GLU B 681 ALA B 684 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 SHEET 1 CA 3 TYR C 478 LEU C 482 0 SHEET 2 CA 3 LEU C 433 THR C 437 1 O LEU C 433 N GLU C 479 SHEET 3 CA 3 LEU C 512 ALA C 513 1 O LEU C 512 N THR C 436 SHEET 1 CB 2 LEU C 445 PHE C 446 0 SHEET 2 CB 2 PHE C 459 GLU C 460 -1 O GLU C 460 N LEU C 445 SHEET 1 CC 2 ILE C 527 PHE C 529 0 SHEET 2 CC 2 GLY C 767 PRO C 769 -1 O THR C 768 N ASP C 528 SHEET 1 CD 2 MET C 534 THR C 535 0 SHEET 2 CD 2 GLY C 763 TYR C 764 -1 N TYR C 764 O MET C 534 SHEET 1 CE 4 GLU C 681 ALA C 684 0 SHEET 2 CE 4 TYR C 733 GLU C 738 1 O ALA C 734 N GLY C 683 SHEET 3 CE 4 ILE C 538 ARG C 543 -1 O SER C 539 N MET C 737 SHEET 4 CE 4 LEU C 752 ILE C 755 -1 O THR C 753 N TYR C 542 SHEET 1 DA 3 THR D 477 LEU D 482 0 SHEET 2 DA 3 SER D 432 THR D 437 1 O LEU D 433 N GLU D 479 SHEET 3 DA 3 LEU D 512 ALA D 513 1 O LEU D 512 N THR D 436 SHEET 1 DB 2 LEU D 445 PHE D 446 0 SHEET 2 DB 2 PHE D 459 GLU D 460 -1 O GLU D 460 N LEU D 445 SHEET 1 DC 2 ILE D 527 PHE D 529 0 SHEET 2 DC 2 GLY D 767 PRO D 769 -1 O THR D 768 N ASP D 528 SHEET 1 DD 2 MET D 534 THR D 535 0 SHEET 2 DD 2 GLY D 763 TYR D 764 -1 N TYR D 764 O MET D 534 SHEET 1 DE 4 GLU D 681 ALA D 684 0 SHEET 2 DE 4 TYR D 733 GLU D 738 1 O ALA D 734 N GLY D 683 SHEET 3 DE 4 ILE D 538 ARG D 543 -1 O SER D 539 N MET D 737 SHEET 4 DE 4 LEU D 752 ILE D 755 -1 O THR D 753 N TYR D 542 CISPEP 1 GLU A 441 PRO A 442 0 -2.62 CISPEP 2 GLU B 441 PRO B 442 0 -2.83 CISPEP 3 GLU C 441 PRO C 442 0 -2.57 CISPEP 4 GLU D 441 PRO D 442 0 -4.82 SITE 1 AC1 10 GLU A 440 TYR A 488 PRO A 516 ALA A 518 SITE 2 AC1 10 ARG A 523 GLY A 688 ALA A 689 THR A 690 SITE 3 AC1 10 ASN A 721 GLU A 738 SITE 1 AC2 10 GLU B 440 TYR B 488 PRO B 516 ALA B 518 SITE 2 AC2 10 ARG B 523 GLY B 688 ALA B 689 THR B 690 SITE 3 AC2 10 ASN B 721 GLU B 738 SITE 1 AC3 10 GLU C 440 TYR C 488 PRO C 516 ALA C 518 SITE 2 AC3 10 ARG C 523 GLY C 688 ALA C 689 THR C 690 SITE 3 AC3 10 ASN C 721 GLU C 738 SITE 1 AC4 10 GLU D 440 TYR D 488 PRO D 516 ALA D 518 SITE 2 AC4 10 ARG D 523 GLY D 688 ALA D 689 THR D 690 SITE 3 AC4 10 ASN D 721 GLU D 738 CRYST1 85.665 99.442 124.627 90.00 90.00 90.00 P 21 21 21 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 0.011673 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010056 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008024 0.00000