5M2V - Header Asymmetric Unit

HEADER MEMBRANE PROTEIN 13-OCT-16 5M2V

TITLE STRUCTURE OF GLUK1 LIGAND-BINDING DOMAIN (S1S2) IN COMPLEX WITH (2S, TITLE 2 4R)-4-(2-CARBOXYPHENOXY)PYRROLIDINE-2-CARBOXYLIC ACID AT 3.18 A TITLE 3 RESOLUTION

COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLUTAMATE RECEPTOR IONOTROPIC, KAINATE 1,GLUTAMATE RECEPTOR COMPND 3 IONOTROPIC, KAINATE 1; COMPND 4 CHAIN: A, B; COMPND 5 SYNONYM: GLUK1,GLUTAMATE RECEPTOR 5,GLUR5,GLUK1,GLUTAMATE RECEPTOR 5, COMPND 6 GLUR5; COMPND 7 ENGINEERED: YES; COMPND 8 OTHER_DETAILS: NATIVE GLUK1 IS A MEMBRANE PROTEIN. THE PROTEIN COMPND 9 CRYSTALLIZED IS THE EXTRACELLULAR LIGAND-BINDING DOMAIN OF GLUK1. COMPND 10 TRANSMEMBRANE REGIONS WERE GENETICALLY REMOVED AND REPLACED WITH A COMPND 11 GLY-THR LINKER (RESIDUE 117-118). THE SEQUENCE MATCHES DISCONTINOUSLY COMPND 12 WITH REFERENCE DATABASE (430-544, 667-805). GLY1 IS A CLONING COMPND 13 REMNANCE. ISOFORM GLUR5-2. THE CONFLICT OF GLY34 IS REFERED TO ALA - COMPND 14 GLY SEQUENCE CONFLICT 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 BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_VARIANT: ORIGAMI 2; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_VECTOR: PET28A(+)

KEYWDS KAINATE RECEPTOR LIGAND-BINDING DOMAIN, GLUK1-LBD, GLUK1-S1S2, KEYWDS 2 ANTAGONIST, MEMBRANE PROTEIN

EXPDTA X-RAY DIFFRACTION

AUTHOR K.FRYDENVANG,J.S.KASTRUP,C.M.KRISTENSEN

REVDAT 2 25-JAN-17 5M2V 1 JRNL REVDAT 1 11-JAN-17 5M2V 0

JRNL AUTH N.KROGSGAARD-LARSEN,C.G.DELGAR,K.KOCH,P.M.BROWN,C.MLLER, JRNL AUTH 2 L.HAN,T.H.HUYNH,S.W.HANSEN,B.NIELSEN,D.BOWIE,D.S.PICKERING, JRNL AUTH 3 J.S.KASTRUP,K.FRYDENVANG,L.BUNCH JRNL TITL DESIGN AND SYNTHESIS OF A SERIES OF L-TRANS-4-SUBSTITUTED JRNL TITL 2 PROLINES AS SELECTIVE ANTAGONISTS FOR THE IONOTROPIC JRNL TITL 3 GLUTAMATE RECEPTORS INCLUDING FUNCTIONAL AND X-RAY JRNL TITL 4 CRYSTALLOGRAPHIC STUDIES OF NEW SUBTYPE SELECTIVE KAINIC JRNL TITL 5 ACID RECEPTOR SUBTYPE 1 (GLUK1) ANTAGONIST JRNL TITL 6 (2S,4R)-4-(2-CARBOXYPHENOXY)PYRROLIDINE-2-CARBOXYLIC ACID. JRNL REF J. MED. CHEM. V. 60 441 2017 JRNL REFN ISSN 1520-4804 JRNL PMID 28005385 JRNL DOI 10.1021/ACS.JMEDCHEM.6B01516

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.NAUR,B.VESTERGAARD,L.K.SKOV,J.EGEBJERG,M.GAJHEDE, REMARK 1 AUTH 2 J.S.KASTRUP REMARK 1 TITL CRYSTAL STRUCTURE OF THE KAINATE RECEPTOR GLUR5 REMARK 1 TITL 2 LIGAND-BINDING CORE IN COMPLEX WITH (S)-GLUTAMATE. REMARK 1 REF FEBS LETT. V. 579 1154 2005 REMARK 1 REFN ISSN 0014-5793 REMARK 1 PMID 15710405

REMARK 2 REMARK 2 RESOLUTION. 3.18 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.10_2155 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.18 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.17 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 10984 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.221 REMARK 3 R VALUE (WORKING SET) : 0.219 REMARK 3 FREE R VALUE : 0.271 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.770 REMARK 3 FREE R VALUE TEST SET COUNT : 524 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 29.1716 - 5.0415 1.00 2760 141 0.1840 0.2059 REMARK 3 2 5.0415 - 4.0049 1.00 2590 131 0.1879 0.2506 REMARK 3 3 4.0049 - 3.4996 1.00 2550 144 0.2787 0.3346 REMARK 3 4 3.4996 - 3.1800 1.00 2560 108 0.2728 0.3760 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 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) : 0.470 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.100 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 55.42 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 50.37 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 : 0.002 4157 REMARK 3 ANGLE : 0.469 5613 REMARK 3 CHIRALITY : 0.041 617 REMARK 3 PLANARITY : 0.005 700 REMARK 3 DIHEDRAL : 9.946 2489 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 A AND ((RESID 5 AND (NAME N OR REMARK 3 NAME CA OR NAME C OR NAME CB OR NAME OG1 REMARK 3 OR NAME CG2)) OR RESSEQ 6:22 OR (RESID 23 REMARK 3 AND (NAME N OR NAME CA OR NAME C OR NAME REMARK 3 O OR NAME CB OR NAME CG OR NAME OD2)) OR REMARK 3 RESSEQ 24:34 OR (RESID 35 AND (NAME N OR REMARK 3 NAME CA OR NAME C OR NAME O OR NAME CB OR REMARK 3 NAME CG OR NAME CD1 OR NAME CE1 OR NAME REMARK 3 CZ OR NAME OH )) OR RESSEQ 36:51 OR REMARK 3 (RESID 52 AND (NAME N OR NAME CA OR NAME REMARK 3 C OR NAME O OR NAME CB OR NAME CG OR NAME REMARK 3 OD1)) OR RESSEQ 53:57 OR (RESID 58 AND REMARK 3 (NAME N OR NAME CA OR NAME C OR NAME O OR REMARK 3 NAME CB OR NAME CG OR NAME OD2)) OR REMARK 3 RESSEQ 59:65 OR (RESID 66 AND (NAME O OR REMARK 3 NAME N OR NAME CA OR NAME C OR NAME CB OR REMARK 3 NAME CG OR NAME OD2)) OR RESSEQ 67:73 OR REMARK 3 (RESID 74 AND (NAME N OR NAME CA OR NAME REMARK 3 C OR NAME O OR NAME CB OR NAME CG2)) OR REMARK 3 RESSEQ 75:80 OR (RESID 81 AND (NAME N OR REMARK 3 NAME CA OR NAME C OR NAME O OR NAME CB OR REMARK 3 NAME CG OR NAME CD OR NAME NE OR NAME CZ REMARK 3 OR NAME NH1)) OR RESSEQ 82:92 OR (RESID REMARK 3 93 AND (NAME N OR NAME CA OR NAME C OR REMARK 3 NAME O OR NAME CB OR NAME CG OR NAME CD2 REMARK 3 OR NAME CE2 OR NAME CZ OR NAME OH )) OR REMARK 3 RESSEQ 94:112 OR (RESID 113 AND (NAME N REMARK 3 OR NAME CA OR NAME C OR NAME O OR NAME CB REMARK 3 OR NAME CG OR NAME CD1)) OR RESSEQ 114: REMARK 3 120 OR (RESID 121 AND (NAME N OR NAME CA REMARK 3 OR NAME C OR NAME O OR NAME CB OR NAME CG REMARK 3 OR NAME OD1)) OR RESSEQ 122:138 OR (RESID REMARK 3 139 AND (NAME N OR NAME CA OR NAME C OR REMARK 3 NAME O OR NAME CB OR NAME CG OR NAME OD1)) REMARK 3 OR RESSEQ 140:159 OR (RESID 160 AND REMARK 3 (NAME N OR NAME CA OR NAME C OR NAME O OR REMARK 3 NAME CB OR NAME CG OR NAME CD2 OR NAME REMARK 3 CE2 OR NAME CZ )) OR RESSEQ 161:226 OR REMARK 3 RESSEQ 228:247 OR RESSEQ 249:252)) REMARK 3 SELECTION : (CHAIN B AND ((RESID 5 AND (NAME O OR REMARK 3 NAME N OR NAME CA OR NAME C OR NAME CB OR REMARK 3 NAME OG1)) OR RESSEQ 6:22 OR (RESID 23 REMARK 3 AND (NAME N OR NAME CA OR NAME C OR NAME REMARK 3 O OR NAME CB OR NAME CG OR NAME OD2)) OR REMARK 3 RESSEQ 24:34 OR (RESID 35 AND (NAME N OR REMARK 3 NAME CA OR NAME C OR NAME O OR NAME CB OR REMARK 3 NAME CG OR NAME CD1 OR NAME CE1 OR NAME REMARK 3 CZ OR NAME OH )) OR RESSEQ 36:51 OR REMARK 3 (RESID 52 AND (NAME N OR NAME CA OR NAME REMARK 3 C OR NAME O OR NAME CB OR NAME CG OR NAME REMARK 3 OD1)) OR RESSEQ 53:57 OR (RESID 58 AND REMARK 3 (NAME N OR NAME CA OR NAME C OR NAME O OR REMARK 3 NAME CB OR NAME CG OR NAME OD2)) OR REMARK 3 RESSEQ 59:65 OR (RESID 66 AND (NAME O OR REMARK 3 NAME N OR NAME CA OR NAME C OR NAME CB OR REMARK 3 NAME CG OR NAME OD2)) OR RESSEQ 67:73 OR REMARK 3 (RESID 74 AND (NAME N OR NAME CA OR NAME REMARK 3 C OR NAME O OR NAME CB OR NAME CG2)) OR REMARK 3 RESSEQ 75:80 OR (RESID 81 AND (NAME N OR REMARK 3 NAME CA OR NAME C OR NAME O OR NAME CB OR REMARK 3 NAME CG OR NAME CD OR NAME NE OR NAME CZ REMARK 3 OR NAME NH1)) OR RESSEQ 82:92 OR (RESID REMARK 3 93 AND (NAME N OR NAME CA OR NAME C OR REMARK 3 NAME O OR NAME CB OR NAME CG OR NAME CD2 REMARK 3 OR NAME CE2 OR NAME CZ OR NAME OH )) OR REMARK 3 RESSEQ 94:112 OR (RESID 113 AND (NAME N REMARK 3 OR NAME CA OR NAME C OR NAME O OR NAME CB REMARK 3 OR NAME CG OR NAME CD1)) OR RESSEQ 114: REMARK 3 120 OR (RESID 121 AND (NAME N OR NAME CA REMARK 3 OR NAME C OR NAME O OR NAME CB OR NAME CG REMARK 3 OR NAME OD1)) OR RESSEQ 122:138 OR (RESID REMARK 3 139 AND (NAME N OR NAME CA OR NAME C OR REMARK 3 NAME O OR NAME CB OR NAME CG OR NAME OD1)) REMARK 3 OR RESSEQ 140:159 OR (RESID 160 AND REMARK 3 (NAME N OR NAME CA OR NAME C OR NAME O OR REMARK 3 NAME CB OR NAME CG OR NAME CD2 OR NAME REMARK 3 CE2 OR NAME CZ )) OR RESSEQ 161:226 OR REMARK 3 RESSEQ 228:247 OR RESSEQ 249:252)) REMARK 3 ATOM PAIRS NUMBER : 2390 REMARK 3 RMSD : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 5M2V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 14-OCT-16. REMARK 100 THE DEPOSITION ID IS D_1200001745.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-APR-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MAX II REMARK 200 BEAMLINE : I911-3 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.16 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11055 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.180 REMARK 200 RESOLUTION RANGE LOW (A) : 29.750 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.14000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.18 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.35 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.70 REMARK 200 R MERGE FOR SHELL (I) : 0.40600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.900 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: 1VSO REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.28 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.63 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 15.2% PEG4000, 0.3 M LITHIUM SULFATE, REMARK 280 0.1 M CACODYLATE BUFFER PH 6.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 280K

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 116.68150 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 35.99300 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 35.99300 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 58.34075 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 35.99300 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 35.99300 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 175.02225 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 35.99300 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 35.99300 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 58.34075 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 35.99300 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 35.99300 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 175.02225 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 116.68150 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: 3080 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24210 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -86.0 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 ALA A 2 REMARK 465 ASN A 3 REMARK 465 ARG A 4 REMARK 465 GLY A 253 REMARK 465 ASN A 254 REMARK 465 GLY B 1 REMARK 465 ALA B 2 REMARK 465 ASN B 3 REMARK 465 ARG B 4

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 ND2 ASN A 201 OD1 ASN A 203 2.19 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 PRO A 88 67.05 -64.10 REMARK 500 ASP A 139 -0.06 69.59 REMARK 500 CYS A 202 0.68 -69.64 REMARK 500 PRO B 15 30.41 -99.48 REMARK 500 PRO B 88 67.06 -63.57 REMARK 500 ASP B 139 -1.45 69.03 REMARK 500 CYS B 202 0.73 -69.28 REMARK 500 ARG B 227 -71.14 -53.18 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 7E5 A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 304 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 305 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 7E5 B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 304 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL B 305

DBREF 5M2V A 2 116 UNP P22756 GRIK1_RAT 430 544 DBREF 5M2V A 119 257 UNP P22756 GRIK1_RAT 667 805 DBREF 5M2V B 2 116 UNP P22756 GRIK1_RAT 430 544 DBREF 5M2V B 119 257 UNP P22756 GRIK1_RAT 667 805

SEQADV 5M2V GLY A 1 UNP P22756 CLONING ARTIFACT SEQADV 5M2V GLY A 34 UNP P22756 ALA 462 CONFLICT SEQADV 5M2V GLY A 117 UNP P22756 LINKER SEQADV 5M2V THR A 118 UNP P22756 LINKER SEQADV 5M2V GLY B 1 UNP P22756 CLONING ARTIFACT SEQADV 5M2V GLY B 34 UNP P22756 ALA 462 CONFLICT SEQADV 5M2V GLY B 117 UNP P22756 LINKER SEQADV 5M2V THR B 118 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 7E5 A 301 18 HET SO4 A 302 5 HET SO4 A 303 5 HET SO4 A 304 5 HET CL A 305 1 HET 7E5 B 301 18 HET SO4 B 302 5 HET SO4 B 303 5 HET SO4 B 304 5 HET CL B 305 1

HETNAM 7E5 (2~{S},4~{R})-4-(2-CARBOXYPHENOXY)PYRROLIDINE-2- HETNAM 2 7E5 CARBOXYLIC ACID HETNAM SO4 SULFATE ION HETNAM CL CHLORIDE ION

FORMUL 3 7E5 2(C12 H13 N O5) FORMUL 4 SO4 6(O4 S 2-) FORMUL 7 CL 2(CL 1-)

HELIX 1 AA1 TYR A 27 ASP A 30 5 4 HELIX 2 AA2 GLY A 34 GLY A 48 1 15 HELIX 3 AA3 ASN A 71 ASP A 79 1 9 HELIX 4 AA4 THR A 92 LYS A 97 1 6 HELIX 5 AA5 SER A 122 LYS A 128 1 7 HELIX 6 AA6 GLY A 140 SER A 149 1 10 HELIX 7 AA7 ILE A 151 SER A 167 1 17 HELIX 8 AA8 ASN A 172 THR A 183 1 12 HELIX 9 AA9 SER A 191 ASN A 201 1 11 HELIX 10 AB1 TYR A 226 GLU A 240 1 15 HELIX 11 AB2 GLY A 241 ARG A 252 1 12 HELIX 12 AB3 TYR B 27 ASP B 30 5 4 HELIX 13 AB4 GLY B 34 GLY B 48 1 15 HELIX 14 AB5 ASN B 71 ASP B 79 1 9 HELIX 15 AB6 THR B 92 LYS B 97 1 6 HELIX 16 AB7 SER B 122 LYS B 128 1 7 HELIX 17 AB8 GLY B 140 SER B 149 1 10 HELIX 18 AB9 ILE B 151 SER B 167 1 17 HELIX 19 AC1 ASN B 172 THR B 183 1 12 HELIX 20 AC2 SER B 191 ASN B 201 1 11 HELIX 21 AC3 TYR B 226 GLU B 240 1 15 HELIX 22 AC4 GLY B 241 ARG B 252 1 12

SHEET 1 AA1 3 TYR A 51 LEU A 55 0 SHEET 2 AA1 3 LEU A 6 THR A 10 1 N VAL A 8 O ASP A 52 SHEET 3 AA1 3 LEU A 84 ALA A 85 1 N LEU A 84 O ILE A 7 SHEET 1 AA2 2 MET A 18 TYR A 19 0 SHEET 2 AA2 2 PHE A 32 GLU A 33 -1 O GLU A 33 N MET A 18 SHEET 1 AA3 2 ASP A 100 PHE A 101 0 SHEET 2 AA3 2 GLY A 219 THR A 220 -1 O THR A 220 N ASP A 100 SHEET 1 AA4 2 MET A 106 LEU A 108 0 SHEET 2 AA4 2 LYS A 214 TYR A 216 -1 O LYS A 214 N LEU A 108 SHEET 1 AA5 4 GLU A 133 GLY A 135 0 SHEET 2 AA5 4 TYR A 185 GLU A 190 1 O LEU A 188 N GLY A 135 SHEET 3 AA5 4 ILE A 110 ARG A 115 -1 N SER A 111 O MET A 189 SHEET 4 AA5 4 LEU A 204 ILE A 207 -1 O THR A 205 N TYR A 114 SHEET 1 AA6 3 TYR B 51 LEU B 55 0 SHEET 2 AA6 3 LEU B 6 THR B 10 1 N VAL B 8 O LYS B 54 SHEET 3 AA6 3 LEU B 84 ALA B 85 1 O LEU B 84 N THR B 9 SHEET 1 AA7 2 MET B 18 TYR B 19 0 SHEET 2 AA7 2 PHE B 32 GLU B 33 -1 O GLU B 33 N MET B 18 SHEET 1 AA8 2 ASP B 100 PHE B 101 0 SHEET 2 AA8 2 GLY B 219 THR B 220 -1 O THR B 220 N ASP B 100 SHEET 1 AA9 2 MET B 106 LEU B 108 0 SHEET 2 AA9 2 LYS B 214 TYR B 216 -1 O LYS B 214 N LEU B 108 SHEET 1 AB1 4 GLU B 133 GLY B 135 0 SHEET 2 AB1 4 TYR B 185 GLU B 190 1 O LEU B 188 N GLY B 135 SHEET 3 AB1 4 ILE B 110 ARG B 115 -1 N SER B 111 O MET B 189 SHEET 4 AB1 4 LEU B 204 ILE B 207 -1 O THR B 205 N TYR B 114

SSBOND 1 CYS A 202 CYS A 256 1555 1555 2.03 SSBOND 2 CYS B 202 CYS B 256 1555 1555 2.03

CISPEP 1 GLU A 14 PRO A 15 0 -7.83 CISPEP 2 GLU B 14 PRO B 15 0 -6.29

SITE 1 AC1 11 TYR A 61 PRO A 88 LEU A 89 THR A 90 SITE 2 AC1 11 ARG A 95 SER A 141 THR A 142 SER A 173 SITE 3 AC1 11 MET A 189 GLU A 190 SER A 193 SITE 1 AC2 2 HIS A 244 LYS A 247 SITE 1 AC3 1 ARG A 31 SITE 1 AC4 1 SER A 22 SITE 1 AC5 2 GLN A 238 SER B 213 SITE 1 AC6 11 GLU B 13 TYR B 61 PRO B 88 LEU B 89 SITE 2 AC6 11 THR B 90 ARG B 95 SER B 141 THR B 142 SITE 3 AC6 11 MET B 189 GLU B 190 SER B 193 SITE 1 AC7 2 HIS B 244 LYS B 247 SITE 1 AC8 2 GLU A 133 ARG B 31 SITE 1 AC9 1 ARG B 227 SITE 1 AD1 1 GLN B 238

CRYST1 71.986 71.986 233.363 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 0.013892 0.000000 0.000000 0.00000

SCALE2 0.000000 0.013892 0.000000 0.00000

SCALE3 0.000000 0.000000 0.004285 0.00000