HEADER MEMBRANE PROTEIN 08-NOV-23 8R36 TITLE CRYSTAL STRUCTURE OF THE GLUK1 LIGAND-BINDING DOMAIN IN COMPLEX WITH TITLE 2 KAINATE AND BPAM538 AT 1.90 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLUTAMATE RECEPTOR IONOTROPIC, KAINATE 1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: GLUK1,GLUTAMATE RECEPTOR 5,GLUR-5,GLUR5; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: THE PROTEIN CRYSTALLIZED IS THE EXTRACELLULAR LIGAND COMPND 7 BINDING DOMAIN OF GLUK1. TRANSMEMBRANE REGIONS WERE GENETICALLY COMPND 8 REMOVED AND REPLACED WITH A GLY-THR LINKER (RESIDUES 117 AND 118 OF COMPND 9 THE STRUCTURE). THEREFORE, THE SEQUENCE MATCHES DISCONTINUOUSLY WITH COMPND 10 THE REFERENCE DATABASE (2-116, 119-257). RESIDUE 1 IS A REMNANT FROM COMPND 11 CLONING. THIS RESIDUE NUMBERING IS ISOFORM GLUR5-2 OF P22756 IN UNP. COMPND 12 THE CONFLICT OF GLY 34 IS REFERED TO ALA -> GLY SEQUENCE CONFLICT COMPND 13 AT RESIDUE 462 IN UNP DATABASE. SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: GRIK1, GLUR5; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: ORIGAMI 2; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28A(+) KEYWDS IONOTROPIC GLUTAMATE RECEPTOR, GLUK1 LIGAND-BINDING DOMAIN, MEMBRANE KEYWDS 2 PROTEIN, POSITIVE ALLOSTERIC MODULATOR, KAINATE EXPDTA X-RAY DIFFRACTION AUTHOR Y.BAY,S.M.FRANTSEN,K.FRYDENVANG,J.S.KASTRUP REVDAT 2 04-SEP-24 8R36 1 JRNL REVDAT 1 14-AUG-24 8R36 0 JRNL AUTH Y.BAY,F.J.M.CABELLO,C.C.KOENS,S.M.FRANTSEN,D.S.PICKERING, JRNL AUTH 2 K.FRYDENVANG,P.FRANCOTTE,B.PIROTTE,A.S.KRISTENSEN,D.BOWIE, JRNL AUTH 3 J.S.KASTRUP JRNL TITL CRYSTAL STRUCTURE OF THE GLUK1 LIGAND-BINDING DOMAIN WITH JRNL TITL 2 KAINATE AND THE FULL-SPANNING POSITIVE ALLOSTERIC MODULATOR JRNL TITL 3 BPAM538. JRNL REF J.STRUCT.BIOL. V. 216 08113 2024 JRNL REFN ESSN 1095-8657 JRNL PMID 39079583 JRNL DOI 10.1016/J.JSB.2024.108113 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.20.1_4487: ???) 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.37 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.700 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 48706 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.166 REMARK 3 R VALUE (WORKING SET) : 0.164 REMARK 3 FREE R VALUE : 0.199 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.030 REMARK 3 FREE R VALUE TEST SET COUNT : 2451 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 46.3700 - 4.9800 1.00 2844 138 0.1963 0.2158 REMARK 3 2 4.9800 - 3.9500 1.00 2666 136 0.1358 0.1696 REMARK 3 3 3.9500 - 3.4500 1.00 2620 158 0.1493 0.1611 REMARK 3 4 3.4500 - 3.1400 1.00 2576 138 0.1601 0.2174 REMARK 3 5 3.1400 - 2.9100 1.00 2575 158 0.1734 0.2352 REMARK 3 6 2.9100 - 2.7400 1.00 2578 125 0.1803 0.2275 REMARK 3 7 2.7400 - 2.6000 1.00 2578 131 0.1638 0.1914 REMARK 3 8 2.6000 - 2.4900 1.00 2523 169 0.1585 0.2018 REMARK 3 9 2.4900 - 2.3900 1.00 2526 143 0.1609 0.1986 REMARK 3 10 2.3900 - 2.3100 1.00 2539 131 0.1532 0.1938 REMARK 3 11 2.3100 - 2.2400 1.00 2535 126 0.1632 0.1896 REMARK 3 12 2.2400 - 2.1700 1.00 2548 128 0.1662 0.1812 REMARK 3 13 2.1700 - 2.1200 1.00 2539 132 0.1662 0.2320 REMARK 3 14 2.1200 - 2.0700 1.00 2515 141 0.1623 0.2142 REMARK 3 15 2.0700 - 2.0200 1.00 2522 124 0.1640 0.2016 REMARK 3 16 2.0200 - 1.9800 1.00 2534 115 0.1716 0.2188 REMARK 3 17 1.9800 - 1.9400 1.00 2498 135 0.1878 0.2037 REMARK 3 18 1.9400 - 1.9000 1.00 2539 123 0.2055 0.2670 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.140 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL 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 : 0.009 4308 REMARK 3 ANGLE : 0.808 5836 REMARK 3 CHIRALITY : 0.055 642 REMARK 3 PLANARITY : 0.006 731 REMARK 3 DIHEDRAL : 14.738 1667 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 9 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: NULL REMARK 3 ORIGIN FOR THE GROUP (A): -2.4913 21.9945 -16.7576 REMARK 3 T TENSOR REMARK 3 T11: 0.3909 T22: 0.1906 REMARK 3 T33: 0.2880 T12: 0.0282 REMARK 3 T13: 0.0332 T23: -0.0440 REMARK 3 L TENSOR REMARK 3 L11: 4.1094 L22: 3.5109 REMARK 3 L33: 4.8841 L12: -0.8637 REMARK 3 L13: 0.0681 L23: 2.0431 REMARK 3 S TENSOR REMARK 3 S11: 0.0101 S12: 0.1784 S13: -0.6801 REMARK 3 S21: -0.6800 S22: 0.1790 S23: -0.3911 REMARK 3 S31: 0.3670 S32: 0.2053 S33: -0.1154 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: NULL REMARK 3 ORIGIN FOR THE GROUP (A): 0.7986 16.1303 -15.2462 REMARK 3 T TENSOR REMARK 3 T11: 0.5325 T22: 0.2013 REMARK 3 T33: 0.3580 T12: 0.0564 REMARK 3 T13: 0.1051 T23: -0.0237 REMARK 3 L TENSOR REMARK 3 L11: 3.6979 L22: 2.4535 REMARK 3 L33: 7.7003 L12: -0.8305 REMARK 3 L13: -0.6931 L23: 4.2336 REMARK 3 S TENSOR REMARK 3 S11: -0.1061 S12: 0.3327 S13: -0.3502 REMARK 3 S21: -0.5166 S22: 0.1254 S23: -0.3826 REMARK 3 S31: 0.3680 S32: 0.2842 S33: 0.0142 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: NULL REMARK 3 ORIGIN FOR THE GROUP (A): -9.7574 31.6169 -12.6838 REMARK 3 T TENSOR REMARK 3 T11: 0.2510 T22: 0.1671 REMARK 3 T33: 0.1625 T12: -0.0199 REMARK 3 T13: 0.0128 T23: -0.0106 REMARK 3 L TENSOR REMARK 3 L11: 1.8633 L22: 1.8331 REMARK 3 L33: 1.5998 L12: 0.5509 REMARK 3 L13: 0.0681 L23: -0.1759 REMARK 3 S TENSOR REMARK 3 S11: -0.0315 S12: 0.0811 S13: -0.1025 REMARK 3 S21: -0.2014 S22: 0.0110 S23: 0.1448 REMARK 3 S31: 0.2468 S32: -0.1745 S33: 0.0113 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: NULL REMARK 3 ORIGIN FOR THE GROUP (A): 2.3478 51.5106 -12.7264 REMARK 3 T TENSOR REMARK 3 T11: 0.2884 T22: 0.1682 REMARK 3 T33: 0.2126 T12: -0.0345 REMARK 3 T13: 0.0231 T23: -0.0307 REMARK 3 L TENSOR REMARK 3 L11: 7.3061 L22: 4.1387 REMARK 3 L33: 3.5938 L12: 1.1958 REMARK 3 L13: -1.4329 L23: -1.1224 REMARK 3 S TENSOR REMARK 3 S11: 0.1226 S12: -0.0120 S13: 0.5818 REMARK 3 S21: 0.0147 S22: 0.0323 S23: 0.0333 REMARK 3 S31: -0.4136 S32: 0.1252 S33: -0.0959 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: NULL REMARK 3 ORIGIN FOR THE GROUP (A): -2.2478 52.6552 -17.8483 REMARK 3 T TENSOR REMARK 3 T11: 0.2128 T22: 0.1787 REMARK 3 T33: 0.2507 T12: -0.0245 REMARK 3 T13: 0.0281 T23: 0.0553 REMARK 3 L TENSOR REMARK 3 L11: 6.4546 L22: 8.5472 REMARK 3 L33: 5.8195 L12: -2.4796 REMARK 3 L13: -1.1746 L23: 2.6063 REMARK 3 S TENSOR REMARK 3 S11: 0.1683 S12: 0.4976 S13: 0.3991 REMARK 3 S21: -0.2882 S22: -0.2227 S23: 0.3503 REMARK 3 S31: -0.4581 S32: -0.3387 S33: 0.0377 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: NULL REMARK 3 ORIGIN FOR THE GROUP (A): 8.5551 40.9489 -14.2019 REMARK 3 T TENSOR REMARK 3 T11: 0.1712 T22: 0.2469 REMARK 3 T33: 0.2131 T12: 0.0091 REMARK 3 T13: -0.0121 T23: -0.0264 REMARK 3 L TENSOR REMARK 3 L11: 2.3087 L22: 4.6687 REMARK 3 L33: 5.1236 L12: 2.5236 REMARK 3 L13: -2.4846 L23: -4.3990 REMARK 3 S TENSOR REMARK 3 S11: -0.0180 S12: -0.1086 S13: -0.1456 REMARK 3 S21: -0.1908 S22: -0.1458 S23: -0.2134 REMARK 3 S31: 0.1479 S32: 0.4613 S33: 0.1511 REMARK 3 TLS GROUP : 7 REMARK 3 SELECTION: NULL REMARK 3 ORIGIN FOR THE GROUP (A): -0.4784 23.8220 -2.9026 REMARK 3 T TENSOR REMARK 3 T11: 0.3537 T22: 0.1306 REMARK 3 T33: 0.2115 T12: 0.0274 REMARK 3 T13: 0.0341 T23: -0.0548 REMARK 3 L TENSOR REMARK 3 L11: 3.4492 L22: 3.2450 REMARK 3 L33: 3.2142 L12: -1.2822 REMARK 3 L13: 0.6333 L23: -1.5324 REMARK 3 S TENSOR REMARK 3 S11: -0.1006 S12: -0.2733 S13: -0.5171 REMARK 3 S21: 0.1025 S22: 0.0397 S23: -0.2448 REMARK 3 S31: 0.2843 S32: 0.2467 S33: 0.0639 REMARK 3 TLS GROUP : 8 REMARK 3 SELECTION: NULL REMARK 3 ORIGIN FOR THE GROUP (A): -12.9772 46.1515 19.8656 REMARK 3 T TENSOR REMARK 3 T11: 0.1948 T22: 0.1902 REMARK 3 T33: 0.2376 T12: -0.0344 REMARK 3 T13: 0.0071 T23: -0.0414 REMARK 3 L TENSOR REMARK 3 L11: 2.5693 L22: 3.5540 REMARK 3 L33: 5.4473 L12: -2.4637 REMARK 3 L13: -2.7965 L23: 1.0076 REMARK 3 S TENSOR REMARK 3 S11: 0.0444 S12: -0.2504 S13: 0.1478 REMARK 3 S21: 0.1529 S22: 0.2331 S23: -0.1307 REMARK 3 S31: -0.2186 S32: 0.0893 S33: -0.2451 REMARK 3 TLS GROUP : 9 REMARK 3 SELECTION: NULL REMARK 3 ORIGIN FOR THE GROUP (A): 0.9146 33.1142 15.8007 REMARK 3 T TENSOR REMARK 3 T11: 0.2421 T22: 0.2395 REMARK 3 T33: 0.2000 T12: 0.0157 REMARK 3 T13: 0.0347 T23: -0.0088 REMARK 3 L TENSOR REMARK 3 L11: 2.0266 L22: 0.9854 REMARK 3 L33: 2.4664 L12: 0.0521 REMARK 3 L13: 0.7016 L23: -0.2896 REMARK 3 S TENSOR REMARK 3 S11: 0.0511 S12: -0.0750 S13: -0.0577 REMARK 3 S21: 0.0316 S22: -0.0687 S23: -0.0706 REMARK 3 S31: 0.2360 S32: 0.3373 S33: 0.0199 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 8R36 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 08-NOV-23. REMARK 100 THE DEPOSITION ID IS D_1292134470. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-OCT-21 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MAX IV REMARK 200 BEAMLINE : BIOMAX REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9762 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 48841 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 49.400 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 26.40 REMARK 200 R MERGE (I) : 0.08700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 23.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 26.60 REMARK 200 R MERGE FOR SHELL (I) : 0.45700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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: 4E0X REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.87 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.56 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 15.2% PEG4000, 0.3 M LITHIUM SULFATE, REMARK 280 AND 0.1 M SODIUM ACETATE PH 5.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 279K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 116.45100 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 35.74250 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 35.74250 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 58.22550 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 35.74250 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 35.74250 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 174.67650 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 35.74250 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 35.74250 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 58.22550 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 35.74250 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 35.74250 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 174.67650 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 116.45100 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 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 429 REMARK 465 ALA A 430 REMARK 465 PRO A 805 REMARK 465 GLY B 429 REMARK 465 ALA B 430 REMARK 465 ASN B 431 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 O4 9TE B 901 O HOH B 1001 1.99 REMARK 500 O1 SO4 B 903 O HOH B 1002 2.05 REMARK 500 O HOH A 1064 O HOH A 1094 2.17 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 441 118.13 -161.78 REMARK 500 ASN A 499 -169.26 -127.93 REMARK 500 GLU B 441 119.93 -164.95 REMARK 500 REMARK 500 REMARK: NULL DBREF 8R36 A 430 544 UNP P22756 GRIK1_RAT 430 544 DBREF 8R36 A 667 805 UNP P22756 GRIK1_RAT 667 805 DBREF 8R36 B 430 544 UNP P22756 GRIK1_RAT 430 544 DBREF 8R36 B 667 805 UNP P22756 GRIK1_RAT 667 805 SEQADV 8R36 GLY A 429 UNP P22756 CLONING ARTIFACT SEQADV 8R36 GLY A 462 UNP P22756 ALA 462 CONFLICT SEQADV 8R36 GLY A 545 UNP P22756 LINKER SEQADV 8R36 THR A 546 UNP P22756 LINKER SEQADV 8R36 GLY B 429 UNP P22756 CLONING ARTIFACT SEQADV 8R36 GLY B 462 UNP P22756 ALA 462 CONFLICT SEQADV 8R36 GLY B 545 UNP P22756 LINKER SEQADV 8R36 THR B 546 UNP P22756 LINKER SEQRES 1 A 257 GLY ALA ASN ARG THR LEU ILE VAL THR THR ILE LEU GLU SEQRES 2 A 257 GLU PRO TYR VAL MET TYR ARG LYS SER ASP LYS PRO LEU SEQRES 3 A 257 TYR GLY ASN ASP ARG PHE GLU GLY TYR CYS LEU ASP LEU SEQRES 4 A 257 LEU LYS GLU LEU SER ASN ILE LEU GLY PHE LEU TYR ASP SEQRES 5 A 257 VAL LYS LEU VAL PRO ASP GLY LYS TYR GLY ALA GLN ASN SEQRES 6 A 257 ASP LYS GLY GLU TRP ASN GLY MET VAL LYS GLU LEU ILE SEQRES 7 A 257 ASP HIS ARG ALA ASP LEU ALA VAL ALA PRO LEU THR ILE SEQRES 8 A 257 THR TYR VAL ARG GLU LYS VAL ILE ASP PHE SER LYS PRO SEQRES 9 A 257 PHE MET THR LEU GLY ILE SER ILE LEU TYR ARG LYS GLY SEQRES 10 A 257 THR PRO ILE ASP SER ALA ASP ASP LEU ALA LYS GLN THR SEQRES 11 A 257 LYS ILE GLU TYR GLY ALA VAL ARG ASP GLY SER THR MET SEQRES 12 A 257 THR PHE PHE LYS LYS SER LYS ILE SER THR TYR GLU LYS SEQRES 13 A 257 MET TRP ALA PHE MET SER SER ARG GLN GLN SER ALA LEU SEQRES 14 A 257 VAL LYS ASN SER ASP GLU GLY ILE GLN ARG VAL LEU THR SEQRES 15 A 257 THR ASP TYR ALA LEU LEU MET GLU SER THR SER ILE GLU SEQRES 16 A 257 TYR VAL THR GLN ARG ASN CYS ASN LEU THR GLN ILE GLY SEQRES 17 A 257 GLY LEU ILE ASP SER LYS GLY TYR GLY VAL GLY THR PRO SEQRES 18 A 257 ILE GLY SER PRO TYR ARG ASP LYS ILE THR ILE ALA ILE SEQRES 19 A 257 LEU GLN LEU GLN GLU GLU GLY LYS LEU HIS MET MET LYS SEQRES 20 A 257 GLU LYS TRP TRP ARG GLY ASN GLY CYS PRO SEQRES 1 B 257 GLY ALA ASN ARG THR LEU ILE VAL THR THR ILE LEU GLU SEQRES 2 B 257 GLU PRO TYR VAL MET TYR ARG LYS SER ASP LYS PRO LEU SEQRES 3 B 257 TYR GLY ASN ASP ARG PHE GLU GLY TYR CYS LEU ASP LEU SEQRES 4 B 257 LEU LYS GLU LEU SER ASN ILE LEU GLY PHE LEU TYR ASP SEQRES 5 B 257 VAL LYS LEU VAL PRO ASP GLY LYS TYR GLY ALA GLN ASN SEQRES 6 B 257 ASP LYS GLY GLU TRP ASN GLY MET VAL LYS GLU LEU ILE SEQRES 7 B 257 ASP HIS ARG ALA ASP LEU ALA VAL ALA PRO LEU THR ILE SEQRES 8 B 257 THR TYR VAL ARG GLU LYS VAL ILE ASP PHE SER LYS PRO SEQRES 9 B 257 PHE MET THR LEU GLY ILE SER ILE LEU TYR ARG LYS GLY SEQRES 10 B 257 THR PRO ILE ASP SER ALA ASP ASP LEU ALA LYS GLN THR SEQRES 11 B 257 LYS ILE GLU TYR GLY ALA VAL ARG ASP GLY SER THR MET SEQRES 12 B 257 THR PHE PHE LYS LYS SER LYS ILE SER THR TYR GLU LYS SEQRES 13 B 257 MET TRP ALA PHE MET SER SER ARG GLN GLN SER ALA LEU SEQRES 14 B 257 VAL LYS ASN SER ASP GLU GLY ILE GLN ARG VAL LEU THR SEQRES 15 B 257 THR ASP TYR ALA LEU LEU MET GLU SER THR SER ILE GLU SEQRES 16 B 257 TYR VAL THR GLN ARG ASN CYS ASN LEU THR GLN ILE GLY SEQRES 17 B 257 GLY LEU ILE ASP SER LYS GLY TYR GLY VAL GLY THR PRO SEQRES 18 B 257 ILE GLY SER PRO TYR ARG ASP LYS ILE THR ILE ALA ILE SEQRES 19 B 257 LEU GLN LEU GLN GLU GLU GLY LYS LEU HIS MET MET LYS SEQRES 20 B 257 GLU LYS TRP TRP ARG GLY ASN GLY CYS PRO HET KAI A 901 15 HET SO4 A 902 5 HET CL A 903 1 HET CL A 904 1 HET CL A 905 1 HET CL A 906 1 HET CL A 907 1 HET CL A 908 1 HET GOL A 909 6 HET GOL A 910 6 HET GOL A 911 6 HET GOL A 912 6 HET 9TE B 901 24 HET KAI B 902 15 HET SO4 B 903 5 HET SO4 B 904 5 HET SO4 B 905 5 HET CL B 906 1 HET CL B 907 1 HETNAM KAI 3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE HETNAM SO4 SULFATE ION HETNAM CL CHLORIDE ION HETNAM GOL GLYCEROL HETNAM 9TE 4-CYCLOPROPYL-7-(3-METHOXYPHENOXY)-2,3-DIHYDRO-1$L^{6}, HETNAM 2 9TE 2,4-BENZOTHIADIAZINE 1,1-DIOXIDE HETSYN KAI KAINATE HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 3 KAI 2(C10 H15 N O4) FORMUL 4 SO4 4(O4 S 2-) FORMUL 5 CL 8(CL 1-) FORMUL 11 GOL 4(C3 H8 O3) FORMUL 15 9TE C17 H18 N2 O4 S FORMUL 22 HOH *357(H2 O) HELIX 1 AA1 TYR A 455 ASP A 458 5 4 HELIX 2 AA2 GLY A 462 GLY A 476 1 15 HELIX 3 AA3 ASN A 499 ASP A 507 1 9 HELIX 4 AA4 THR A 520 LYS A 525 1 6 HELIX 5 AA5 SER A 670 LYS A 676 1 7 HELIX 6 AA6 GLY A 688 SER A 697 1 10 HELIX 7 AA7 ILE A 699 SER A 711 1 13 HELIX 8 AA8 ARG A 712 SER A 715 5 4 HELIX 9 AA9 ASN A 720 THR A 731 1 12 HELIX 10 AB1 SER A 739 ASN A 749 1 11 HELIX 11 AB2 PRO A 773 GLU A 788 1 16 HELIX 12 AB3 GLY A 789 ARG A 800 1 12 HELIX 13 AB4 TYR B 455 ASP B 458 5 4 HELIX 14 AB5 GLY B 462 GLY B 476 1 15 HELIX 15 AB6 ASN B 499 ASP B 507 1 9 HELIX 16 AB7 THR B 520 LYS B 525 1 6 HELIX 17 AB8 SER B 670 LYS B 676 1 7 HELIX 18 AB9 GLY B 688 SER B 697 1 10 HELIX 19 AC1 ILE B 699 SER B 715 1 17 HELIX 20 AC2 ASN B 720 THR B 731 1 12 HELIX 21 AC3 SER B 739 GLN B 747 1 9 HELIX 22 AC4 PRO B 773 GLU B 788 1 16 HELIX 23 AC5 GLY B 789 ARG B 800 1 12 SHEET 1 AA1 3 LEU A 478 LEU A 483 0 SHEET 2 AA1 3 THR A 433 THR A 438 1 N LEU A 434 O LEU A 478 SHEET 3 AA1 3 LEU A 512 ALA A 513 1 O LEU A 512 N THR A 437 SHEET 1 AA2 2 MET A 446 TYR A 447 0 SHEET 2 AA2 2 PHE A 460 GLU A 461 -1 O GLU A 461 N MET A 446 SHEET 1 AA3 2 ASP A 528 LEU A 536 0 SHEET 2 AA3 2 LYS A 762 THR A 768 -1 O THR A 768 N ASP A 528 SHEET 1 AA4 4 GLU A 681 GLY A 683 0 SHEET 2 AA4 4 TYR A 733 GLU A 738 1 O LEU A 736 N GLY A 683 SHEET 3 AA4 4 ILE A 538 ARG A 543 -1 N LEU A 541 O LEU A 735 SHEET 4 AA4 4 LEU A 752 ILE A 755 -1 O THR A 753 N TYR A 542 SHEET 1 AA5 3 TYR B 479 LEU B 483 0 SHEET 2 AA5 3 LEU B 434 THR B 438 1 N VAL B 436 O LYS B 482 SHEET 3 AA5 3 LEU B 512 ALA B 513 1 O LEU B 512 N THR B 437 SHEET 1 AA6 2 MET B 446 TYR B 447 0 SHEET 2 AA6 2 PHE B 460 GLU B 461 -1 O GLU B 461 N MET B 446 SHEET 1 AA7 2 ILE B 527 PHE B 529 0 SHEET 2 AA7 2 GLY B 767 PRO B 769 -1 O THR B 768 N ASP B 528 SHEET 1 AA8 2 MET B 534 LEU B 536 0 SHEET 2 AA8 2 LYS B 762 TYR B 764 -1 O LYS B 762 N LEU B 536 SHEET 1 AA9 4 GLU B 681 GLY B 683 0 SHEET 2 AA9 4 TYR B 733 GLU B 738 1 O LEU B 736 N GLY B 683 SHEET 3 AA9 4 ILE B 538 ARG B 543 -1 N LEU B 541 O LEU B 735 SHEET 4 AA9 4 LEU B 752 ILE B 755 -1 O THR B 753 N TYR B 542 SSBOND 1 CYS A 750 CYS A 804 1555 1555 2.05 SSBOND 2 CYS B 750 CYS B 804 1555 1555 2.04 CISPEP 1 GLU A 442 PRO A 443 0 -2.22 CISPEP 2 GLU A 442 PRO A 443 0 -2.03 CISPEP 3 GLU B 442 PRO B 443 0 -1.17 CRYST1 71.485 71.485 232.902 90.00 90.00 90.00 P 41 21 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 0.013989 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013989 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004294 0.00000