4KFQ - Header Asymmetric Unit

HEADER MEMBRANE PROTEIN 27-APR-13 4KFQ

TITLE CRYSTAL STRUCTURE OF THE NMDA RECEPTOR GLUN1 LIGAND BINDING DOMAIN IN TITLE 2 COMPLEX WITH 1-THIOXO-1,2-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]QUINOXALIN- TITLE 3 4(5H)-ONE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLUTAMATE RECEPTOR IONOTROPIC, NMDA 1; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: UNP RESIDUES 394-554, 663-800; COMPND 5 SYNONYM: GLUN1, GLUTAMATE [NMDA] RECEPTOR SUBUNIT ZETA-1, N-METHYL-D- COMPND 6 ASPARTATE RECEPTOR SUBUNIT NR1, NMD-R1; COMPND 7 ENGINEERED: YES; COMPND 8 OTHER_DETAILS: THE PROTEIN CRYSTALLIZED IS THE EXTRACELLULAR LIGAND COMPND 9 BINDING DOMAIN OF GLUN1. TRANSMEMBRANE REGIONS WERE GENETICALLY COMPND 10 REMOVED AND REPLACED WITH A GLY-THR LINKER (RESIDUES 153 AND 154 OF COMPND 11 THE STRUCTURE). THEREFORE, THE SEQUENCE MATCHES DISCONTINUOUSLY WITH COMPND 12 THE REFERENCE DATABASE (394-554, 663-800)

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: BROWN RAT,RAT,RATS; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: GRIN1, GRIN1 OR NMDAR1, NMDAR1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: ORIGAMI B (DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET22C

KEYWDS MEMBRANE PROTEIN, LIGAND BINDING DOMAIN, IONOTROPIC GLUTAMATE KEYWDS 2 RECEPTOR

EXPDTA X-RAY DIFFRACTION

AUTHOR T.B.STEFFENSEN,F.M.TABRIZI,M.GAJHEDE,J.S.KASTRUP

REVDAT 2 01-JUL-15 4KFQ 1 JRNL AUTHOR REVDAT 1 09-OCT-13 4KFQ 0

JRNL AUTH T.KVIST,T.B.STEFFENSEN,J.R.GREENWOOD,F.MEHRZAD TABRIZI, JRNL AUTH 2 K.B.HANSEN,M.GAJHEDE,D.S.PICKERING,S.F.TRAYNELIS, JRNL AUTH 3 J.S.KASTRUP,H.BRAUNER-OSBORNE JRNL TITL CRYSTAL STRUCTURE AND PHARMACOLOGICAL CHARACTERIZATION OF A JRNL TITL 2 NOVEL N-METHYL-D-ASPARTATE (NMDA) RECEPTOR ANTAGONIST AT THE JRNL TITL 3 GLUN1 GLYCINE BINDING SITE. JRNL REF J.BIOL.CHEM. V. 288 33124 2013 JRNL REFN ISSN 0021-9258 JRNL PMID 24072709 JRNL DOI 10.1074/JBC.M113.480210

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH H.FURUKAWA,E.GOUAUX REMARK 1 TITL MECHANISMS OF ACTIVATION, INHIBITION AND SPECIFICITY: REMARK 1 TITL 2 CRYSTAL STRUCTURES OF THE NMDA RECEPTOR NR1 LIGAND-BINDING REMARK 1 TITL 3 CORE REMARK 1 REF EMBO J. V. 22 2873 2003 REMARK 1 REFN ISSN 0261-4189 REMARK 1 PMID 12805203

REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.7.2_869) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE- REMARK 3 : KUNSTLEVE,LI-WEI HUNG,ROBERT IMMORMINO, REMARK 3 : TOM IOERGER,AIRLIE MCCOY,ERIK MCKEE,NIGEL REMARK 3 : MORIARTY,REETAL PAI,RANDY READ,JANE REMARK 3 : RICHARDSON,DAVID RICHARDSON,TOD ROMO,JIM REMARK 3 : SACCHETTINI,NICHOLAS SAUTER,JACOB SMITH, REMARK 3 : LAURENT STORONI,TOM TERWILLIGER,PETER REMARK 3 : ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.69 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.380 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 37839 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.177 REMARK 3 R VALUE (WORKING SET) : 0.174 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.990 REMARK 3 FREE R VALUE TEST SET COUNT : 1890 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 39.6900 - 5.1695 0.99 2811 159 0.2000 0.2183 REMARK 3 2 5.1695 - 4.1045 1.00 2772 149 0.1462 0.1911 REMARK 3 3 4.1045 - 3.5861 1.00 2759 150 0.1505 0.2053 REMARK 3 4 3.5861 - 3.2584 1.00 2800 143 0.1569 0.2153 REMARK 3 5 3.2584 - 3.0249 1.00 2772 129 0.1699 0.2422 REMARK 3 6 3.0249 - 2.8466 1.00 2757 164 0.1775 0.2574 REMARK 3 7 2.8466 - 2.7041 1.00 2762 137 0.1787 0.2539 REMARK 3 8 2.7041 - 2.5864 1.00 2730 163 0.1788 0.2370 REMARK 3 9 2.5864 - 2.4869 1.00 2788 144 0.1878 0.2535 REMARK 3 10 2.4869 - 2.4011 1.00 2729 150 0.1952 0.2878 REMARK 3 11 2.4011 - 2.3260 1.00 2753 131 0.1953 0.2618 REMARK 3 12 2.3260 - 2.2595 1.00 2778 146 0.2011 0.2629 REMARK 3 13 2.2595 - 2.2000 1.00 2738 125 0.2158 0.2938 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 : 0.86 REMARK 3 K_SOL : 0.38 REMARK 3 B_SOL : 48.90 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.620 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.780 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.37640 REMARK 3 B22 (A**2) : -1.21150 REMARK 3 B33 (A**2) : 4.58790 REMARK 3 B12 (A**2) : -0.00000 REMARK 3 B13 (A**2) : 0.28820 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 : 0.007 4858 REMARK 3 ANGLE : 1.020 6531 REMARK 3 CHIRALITY : 0.069 689 REMARK 3 PLANARITY : 0.004 820 REMARK 3 DIHEDRAL : 15.389 1843 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 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

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

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-MAY-13. REMARK 100 THE RCSB ID CODE IS RCSB079281.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-DEC-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : BESSY REMARK 200 BEAMLINE : 14.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.91841 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 : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 37846 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 39.690 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 3.200 REMARK 200 R MERGE (I) : 0.09000 REMARK 200 R SYM (I) : 0.09000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.32 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.20 REMARK 200 R MERGE FOR SHELL (I) : 0.39200 REMARK 200 R SYM FOR SHELL (I) : 0.39200 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: PDB ENTRY 1PBQ REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.56 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1-THIOXO-1,2-DIHYDRO-[1,2,4] REMARK 280 TRIAZOLO[4,3-A]QUINOXALIN-4(5H)-ONE WAS ADDED AS SOLID COMPOUND REMARK 280 AND THE SOLUTION WAS GENTLY SHAKEN OVERNIGHT. 0.3 M AMMONIUM REMARK 280 SULFATE, 0.1 M HEPES, AND 30 % PEG 4000, PH 7.5, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 279K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 39.29500 REMARK 290 SMTRY3 2 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 MET A 2 REMARK 465 SER A 3 REMARK 465 GLY B 1 REMARK 465 MET B 2 REMARK 465 SER B 3 REMARK 465 THR B 4 REMARK 465 TYR B 287 REMARK 465 GLN B 288 REMARK 465 GLU B 289 REMARK 465 CYS B 290 REMARK 465 ASP B 291 REMARK 465 SER B 292

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 O3 SO4 B 312 O HOH B 444 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 SER A 101 -166.59 -105.90 REMARK 500 ASN A 107 -159.49 -99.03 REMARK 500 SER A 248 -143.59 -162.86 REMARK 500 ASN B 166 77.82 -116.78 REMARK 500 GLN B 234 -63.91 -99.52 REMARK 500 LYS B 235 94.58 -69.85 REMARK 500 PHE B 246 61.46 60.03 REMARK 500 SER B 248 -145.72 -165.28 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 KFQ A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 304 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 305 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 306 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 307 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 308 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 309 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 310 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 311 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 312 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 313 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 314 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE KFQ B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 304 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 305 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 306 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 307 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 308 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 309 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 310 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 311 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 312 REMARK 800 REMARK 800 SITE_IDENTIFIER: CC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 313 REMARK 800 REMARK 800 SITE_IDENTIFIER: DC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 314

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1PBQ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE NR1 LIGAND BINDING CORE IN COMPLEX REMARK 900 WITH 5,7-DICHLOROKYNURENIC ACID (DCKA) AT 1.90 ANGSTROMS REMARK 900 RESOLUTION REMARK 900 RELATED ID: 1PB7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE NR1 LIGAND BINDING CORE IN COMPLEX REMARK 900 WITH GLYCINE AT 1.35 ANGSTROMS RESOLUTION REMARK 900 RELATED ID: 1PB8 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE NR1 LIGAND BINDING CORE IN COMPLEX REMARK 900 WITH D-SERINE AT 1.45 ANGSTROMS RESOLUTION REMARK 900 RELATED ID: 1PB9 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE NR1 LIGAND BINDING CORE IN COMPLEX REMARK 900 WITH D-CYCLOSERINE AT 1.60 ANGSTROMS RESOLUTION

DBREF 4KFQ A 2 152 UNP P35439 NMDZ1_RAT 394 544 DBREF 4KFQ A 155 292 UNP P35439 NMDZ1_RAT 663 800 DBREF 4KFQ B 2 152 UNP P35439 NMDZ1_RAT 394 544 DBREF 4KFQ B 155 292 UNP P35439 NMDZ1_RAT 663 800

SEQADV 4KFQ GLY A 1 UNP P35439 EXPRESSION TAG SEQADV 4KFQ GLY A 153 UNP P35439 LINKER SEQADV 4KFQ THR A 154 UNP P35439 LINKER SEQADV 4KFQ GLY B 1 UNP P35439 EXPRESSION TAG SEQADV 4KFQ GLY B 153 UNP P35439 LINKER SEQADV 4KFQ THR B 154 UNP P35439 LINKER

SEQRES 1 A 292 GLY MET SER THR ARG LEU LYS ILE VAL THR ILE HIS GLN SEQRES 2 A 292 GLU PRO PHE VAL TYR VAL LYS PRO THR MET SER ASP GLY SEQRES 3 A 292 THR CYS LYS GLU GLU PHE THR VAL ASN GLY ASP PRO VAL SEQRES 4 A 292 LYS LYS VAL ILE CYS THR GLY PRO ASN ASP THR SER PRO SEQRES 5 A 292 GLY SER PRO ARG HIS THR VAL PRO GLN CYS CYS TYR GLY SEQRES 6 A 292 PHE CYS ILE ASP LEU LEU ILE LYS LEU ALA ARG THR MET SEQRES 7 A 292 ASN PHE THR TYR GLU VAL HIS LEU VAL ALA ASP GLY LYS SEQRES 8 A 292 PHE GLY THR GLN GLU ARG VAL ASN ASN SER ASN LYS LYS SEQRES 9 A 292 GLU TRP ASN GLY MET MET GLY GLU LEU LEU SER GLY GLN SEQRES 10 A 292 ALA ASP MET ILE VAL ALA PRO LEU THR ILE ASN ASN GLU SEQRES 11 A 292 ARG ALA GLN TYR ILE GLU PHE SER LYS PRO PHE LYS TYR SEQRES 12 A 292 GLN GLY LEU THR ILE LEU VAL LYS LYS GLY THR ARG ILE SEQRES 13 A 292 THR GLY ILE ASN ASP PRO ARG LEU ARG ASN PRO SER ASP SEQRES 14 A 292 LYS PHE ILE TYR ALA THR VAL LYS GLN SER SER VAL ASP SEQRES 15 A 292 ILE TYR PHE ARG ARG GLN VAL GLU LEU SER THR MET TYR SEQRES 16 A 292 ARG HIS MET GLU LYS HIS ASN TYR GLU SER ALA ALA GLU SEQRES 17 A 292 ALA ILE GLN ALA VAL ARG ASP ASN LYS LEU HIS ALA PHE SEQRES 18 A 292 ILE TRP ASP SER ALA VAL LEU GLU PHE GLU ALA SER GLN SEQRES 19 A 292 LYS CYS ASP LEU VAL THR THR GLY GLU LEU PHE PHE ARG SEQRES 20 A 292 SER GLY PHE GLY ILE GLY MET ARG LYS ASP SER PRO TRP SEQRES 21 A 292 LYS GLN ASN VAL SER LEU SER ILE LEU LYS SER HIS GLU SEQRES 22 A 292 ASN GLY PHE MET GLU ASP LEU ASP LYS THR TRP VAL ARG SEQRES 23 A 292 TYR GLN GLU CYS ASP SER SEQRES 1 B 292 GLY MET SER THR ARG LEU LYS ILE VAL THR ILE HIS GLN SEQRES 2 B 292 GLU PRO PHE VAL TYR VAL LYS PRO THR MET SER ASP GLY SEQRES 3 B 292 THR CYS LYS GLU GLU PHE THR VAL ASN GLY ASP PRO VAL SEQRES 4 B 292 LYS LYS VAL ILE CYS THR GLY PRO ASN ASP THR SER PRO SEQRES 5 B 292 GLY SER PRO ARG HIS THR VAL PRO GLN CYS CYS TYR GLY SEQRES 6 B 292 PHE CYS ILE ASP LEU LEU ILE LYS LEU ALA ARG THR MET SEQRES 7 B 292 ASN PHE THR TYR GLU VAL HIS LEU VAL ALA ASP GLY LYS SEQRES 8 B 292 PHE GLY THR GLN GLU ARG VAL ASN ASN SER ASN LYS LYS SEQRES 9 B 292 GLU TRP ASN GLY MET MET GLY GLU LEU LEU SER GLY GLN SEQRES 10 B 292 ALA ASP MET ILE VAL ALA PRO LEU THR ILE ASN ASN GLU SEQRES 11 B 292 ARG ALA GLN TYR ILE GLU PHE SER LYS PRO PHE LYS TYR SEQRES 12 B 292 GLN GLY LEU THR ILE LEU VAL LYS LYS GLY THR ARG ILE SEQRES 13 B 292 THR GLY ILE ASN ASP PRO ARG LEU ARG ASN PRO SER ASP SEQRES 14 B 292 LYS PHE ILE TYR ALA THR VAL LYS GLN SER SER VAL ASP SEQRES 15 B 292 ILE TYR PHE ARG ARG GLN VAL GLU LEU SER THR MET TYR SEQRES 16 B 292 ARG HIS MET GLU LYS HIS ASN TYR GLU SER ALA ALA GLU SEQRES 17 B 292 ALA ILE GLN ALA VAL ARG ASP ASN LYS LEU HIS ALA PHE SEQRES 18 B 292 ILE TRP ASP SER ALA VAL LEU GLU PHE GLU ALA SER GLN SEQRES 19 B 292 LYS CYS ASP LEU VAL THR THR GLY GLU LEU PHE PHE ARG SEQRES 20 B 292 SER GLY PHE GLY ILE GLY MET ARG LYS ASP SER PRO TRP SEQRES 21 B 292 LYS GLN ASN VAL SER LEU SER ILE LEU LYS SER HIS GLU SEQRES 22 B 292 ASN GLY PHE MET GLU ASP LEU ASP LYS THR TRP VAL ARG SEQRES 23 B 292 TYR GLN GLU CYS ASP SER

HET KFQ A 301 15 HET GOL A 302 6 HET GOL A 303 6 HET GOL A 304 6 HET GOL A 305 6 HET GOL A 306 6 HET GOL A 307 6 HET GOL A 308 6 HET GOL A 309 6 HET GOL A 310 6 HET SO4 A 311 5 HET SO4 A 312 5 HET SO4 A 313 5 HET SO4 A 314 5 HET KFQ B 301 15 HET GOL B 302 6 HET GOL B 303 6 HET GOL B 304 6 HET GOL B 305 6 HET GOL B 306 6 HET GOL B 307 6 HET GOL B 308 6 HET GOL B 309 6 HET GOL B 310 6 HET SO4 B 311 5 HET SO4 B 312 5 HET SO4 B 313 5 HET SO4 B 314 5

HETNAM KFQ 1-SULFANYL[1,2,4]TRIAZOLO[4,3-A]QUINOXALIN-4(5H)-ONE HETNAM GOL GLYCEROL HETNAM SO4 SULFATE ION

HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL

FORMUL 3 KFQ 2(C9 H6 N4 O S) FORMUL 4 GOL 18(C3 H8 O3) FORMUL 13 SO4 8(O4 S 2-) FORMUL 31 HOH *414(H2 O)

HELIX 1 1 GLY A 65 ASN A 79 1 15 HELIX 2 2 ASN A 107 SER A 115 1 9 HELIX 3 3 ASN A 128 GLN A 133 1 6 HELIX 4 4 ASP A 161 ASN A 166 1 6 HELIX 5 5 SER A 179 GLN A 188 1 10 HELIX 6 6 LEU A 191 ASN A 202 1 12 HELIX 7 7 SER A 205 ASP A 215 1 11 HELIX 8 8 SER A 225 GLN A 234 1 10 HELIX 9 9 TRP A 260 ASN A 274 1 15 HELIX 10 10 GLY A 275 VAL A 285 1 11 HELIX 11 11 GLY B 65 ASN B 79 1 15 HELIX 12 12 ASN B 107 SER B 115 1 9 HELIX 13 13 ASN B 128 GLN B 133 1 6 HELIX 14 14 ASP B 161 ASN B 166 1 6 HELIX 15 15 SER B 179 ARG B 187 1 9 HELIX 16 16 GLN B 188 GLU B 190 5 3 HELIX 17 17 LEU B 191 ASN B 202 1 12 HELIX 18 18 SER B 205 ASP B 215 1 11 HELIX 19 19 SER B 225 LYS B 235 1 11 HELIX 20 20 TRP B 260 ASN B 274 1 15 HELIX 21 21 GLY B 275 VAL B 285 1 11

SHEET 1 A 8 TYR A 18 PRO A 21 0 SHEET 2 A 8 THR A 58 TYR A 64 -1 O TYR A 64 N TYR A 18 SHEET 3 A 8 VAL A 42 PRO A 47 -1 N VAL A 42 O CYS A 63 SHEET 4 A 8 TYR A 82 LEU A 86 1 O LEU A 86 N THR A 45 SHEET 5 A 8 LEU A 6 THR A 10 1 N ILE A 8 O GLU A 83 SHEET 6 A 8 MET A 120 ILE A 121 1 O MET A 120 N VAL A 9 SHEET 7 A 8 GLY A 253 ARG A 255 -1 O GLY A 253 N ILE A 121 SHEET 8 A 8 ILE A 135 PHE A 137 -1 N GLU A 136 O MET A 254 SHEET 1 B 2 GLN A 95 ARG A 97 0 SHEET 2 B 2 LYS A 104 TRP A 106 -1 O GLU A 105 N GLU A 96 SHEET 1 C 4 TYR A 173 ALA A 174 0 SHEET 2 C 4 ALA A 220 ASP A 224 1 O ILE A 222 N ALA A 174 SHEET 3 C 4 LYS A 142 LYS A 151 -1 N LEU A 149 O PHE A 221 SHEET 4 C 4 LEU A 238 PHE A 250 -1 O PHE A 250 N LYS A 142 SHEET 1 D 8 TYR B 18 PRO B 21 0 SHEET 2 D 8 THR B 58 TYR B 64 -1 O CYS B 62 N LYS B 20 SHEET 3 D 8 VAL B 42 PRO B 47 -1 N GLY B 46 O VAL B 59 SHEET 4 D 8 TYR B 82 LEU B 86 1 O LEU B 86 N THR B 45 SHEET 5 D 8 LEU B 6 THR B 10 1 N ILE B 8 O GLU B 83 SHEET 6 D 8 MET B 120 ILE B 121 1 O MET B 120 N VAL B 9 SHEET 7 D 8 GLY B 253 MET B 254 -1 O GLY B 253 N ILE B 121 SHEET 8 D 8 GLU B 136 PHE B 137 -1 N GLU B 136 O MET B 254 SHEET 1 E 2 GLN B 95 ARG B 97 0 SHEET 2 E 2 LYS B 104 TRP B 106 -1 O GLU B 105 N GLU B 96 SHEET 1 F 4 TYR B 173 ALA B 174 0 SHEET 2 F 4 ALA B 220 ASP B 224 1 O ILE B 222 N ALA B 174 SHEET 3 F 4 LYS B 142 LYS B 151 -1 N LEU B 149 O PHE B 221 SHEET 4 F 4 LEU B 238 PHE B 250 -1 O PHE B 250 N LYS B 142

SSBOND 1 CYS A 28 CYS A 62 1555 1555 2.06 SSBOND 2 CYS A 44 CYS A 63 1555 1555 2.04 SSBOND 3 CYS A 236 CYS A 290 1555 1555 2.05 SSBOND 4 CYS B 28 CYS B 62 1555 1555 2.05 SSBOND 5 CYS B 44 CYS B 63 1555 1555 2.03

CISPEP 1 GLU A 14 PRO A 15 0 0.38 CISPEP 2 GLU B 14 PRO B 15 0 -5.97

SITE 1 AC1 7 PHE A 92 PRO A 124 LEU A 125 THR A 126 SITE 2 AC1 7 ARG A 131 SER A 180 GOL A 302 SITE 1 AC2 7 THR A 126 GLN A 144 SER A 180 ASP A 224 SITE 2 AC2 7 KFQ A 301 GOL A 307 HOH A 551 SITE 1 AC3 7 LYS A 91 PHE A 92 GLY A 93 THR A 94 SITE 2 AC3 7 GLN A 178 SER A 179 HOH A 590 SITE 1 AC4 4 ALA A 206 ALA A 207 GOL A 306 HOH A 451 SITE 1 AC5 5 PRO A 21 GLU A 243 LEU A 244 ARG A 247 SITE 2 AC5 5 SO4 A 311 SITE 1 AC6 3 HIS A 12 GLU A 14 GOL A 304 SITE 1 AC7 8 PRO A 55 LEU A 146 TYR A 184 GOL A 302 SITE 2 AC7 8 HOH A 484 HOH A 495 HOH A 516 HOH A 551 SITE 1 AC8 7 THR A 33 PRO A 38 VAL A 39 LYS A 40 SITE 2 AC8 7 ASP A 69 THR A 283 TRP A 284 SITE 1 AC9 7 HIS A 12 GLY A 46 PRO A 47 ASP A 49 SITE 2 AC9 7 GLN A 61 LEU A 86 HOH A 513 SITE 1 BC1 3 LYS A 40 LYS A 41 ARG A 76 SITE 1 BC2 11 ASN A 48 SER A 51 SER A 54 ARG A 56 SITE 2 BC2 11 VAL A 59 PHE A 245 PHE A 246 ARG A 247 SITE 3 BC2 11 GOL A 305 HOH A 406 HOH A 611 SITE 1 BC3 5 PRO A 55 ARG A 56 HIS A 57 THR A 58 SITE 2 BC3 5 ASN A 129 SITE 1 BC4 5 SER A 168 HIS A 197 LYS A 200 HOH A 474 SITE 2 BC4 5 HOH A 594 SITE 1 BC5 2 ARG A 186 ARG A 187 SITE 1 BC6 8 PHE B 92 PRO B 124 LEU B 125 THR B 126 SITE 2 BC6 8 ARG B 131 SER B 180 GOL B 303 GOL B 304 SITE 1 BC7 7 HIS B 12 GLY B 46 PRO B 47 ASP B 49 SITE 2 BC7 7 GLN B 61 LEU B 86 HOH B 468 SITE 1 BC8 8 LYS B 91 PHE B 92 GLY B 93 THR B 94 SITE 2 BC8 8 GLN B 178 KFQ B 301 HOH B 512 HOH B 562 SITE 1 BC9 7 THR B 126 GLN B 144 SER B 180 VAL B 181 SITE 2 BC9 7 ASP B 224 KFQ B 301 HOH B 459 SITE 1 CC1 5 ASP B 37 PRO B 38 LYS B 40 ASP B 69 SITE 2 CC1 5 TRP B 284 SITE 1 CC2 4 HIS B 12 GLN B 13 GLU B 14 HOH B 428 SITE 1 CC3 4 PRO B 55 HIS B 57 THR B 58 ASN B 129 SITE 1 CC4 2 ARG B 186 ARG B 187 SITE 1 CC5 6 THR B 33 VAL B 34 THR B 283 TRP B 284 SITE 2 CC5 6 HOH B 571 HOH B 590 SITE 1 CC6 4 THR B 157 GLY B 158 ILE B 159 ASN B 160 SITE 1 CC7 8 ASN B 48 SER B 51 SER B 54 ARG B 56 SITE 2 CC7 8 PHE B 245 PHE B 246 ARG B 247 HOH B 535 SITE 1 CC8 6 PHE A 32 LYS B 152 GLY B 153 ARG B 155 SITE 2 CC8 6 VAL B 239 HOH B 444 SITE 1 CC9 5 PRO B 167 SER B 168 ASP B 169 HIS B 197 SITE 2 CC9 5 LYS B 200 SITE 1 DC1 1 GLN B 188

CRYST1 43.950 78.590 109.630 90.00 94.21 90.00 P 1 21 1 4

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 0.022753 0.000000 0.001675 0.00000

SCALE2 0.000000 0.012724 0.000000 0.00000

SCALE3 0.000000 0.000000 0.009146 0.00000