3IJX - Header Asymmetric Unit

HEADER MEMBRANE PROTEIN 05-AUG-09 3IJX

TITLE CRYSTAL STRUCTURE OF THE AMPA SUBUNIT GLUR2 BOUND TO THE TITLE 2 ALLOSTERIC MODULATOR, HYDROCHLOROTHIAZIDE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLUTAMATE RECEPTOR 2; COMPND 3 CHAIN: B, D, H; COMPND 4 SYNONYM: GLUR-2, GLUR-B, GLUR-K2, GLUTAMATE RECEPTOR COMPND 5 IONOTROPIC, AMPA 2, AMPA-SELECTIVE GLUTAMATE RECEPTOR 2; COMPND 6 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: GLUR2, GRIA2, GRIA2; GLUR2; 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: PET-22B(+)

KEYWDS GLUTAMATE RECEPTOR, GLUR2, AMPA RECEPTOR, NEUROTRANSMITTER KEYWDS 2 RECEPTOR, S1S2, ALLOSTERIC MODULATOR, MEMBRANE PROTEIN

EXPDTA X-RAY DIFFRACTION

AUTHOR C.P.PTAK,A.H.AHMED,R.E.OSWALD

REVDAT 2 22-SEP-09 3IJX 1 JRNL REVDAT 1 15-SEP-09 3IJX 0

JRNL AUTH C.P.PTAK,A.H.AHMED,R.E.OSWALD JRNL TITL PROBING THE ALLOSTERIC MODULATOR BINDING SITE OF JRNL TITL 2 GLUR2 WITH THIAZIDE DERIVATIVES JRNL REF BIOCHEMISTRY V. 48 8594 2009 JRNL REFN ISSN 0006-2960 JRNL PMID 19673491 JRNL DOI 10.1021/BI901127S

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.88 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VICENT 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) : 2.88 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.30 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 92.5 REMARK 3 NUMBER OF REFLECTIONS : 19212 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.193 REMARK 3 R VALUE (WORKING SET) : 0.186 REMARK 3 FREE R VALUE : 0.257 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1922 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE 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 : 0.31 REMARK 3 B_SOL : 12.64 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.360 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.96 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -8.65400 REMARK 3 B22 (A**2) : -1.62700 REMARK 3 B33 (A**2) : 10.28100 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 : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL 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 3IJX COMPLIES WITH FORMAT V. 3.20, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-AUG-09. REMARK 100 THE RCSB ID CODE IS RCSB054504.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-DEC-08 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 : CHESS REMARK 200 BEAMLINE : A1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.977 REMARK 200 MONOCHROMATOR : RH COATED SI REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL REMARK 200 DATA SCALING SOFTWARE : HKL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20653 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.881 REMARK 200 RESOLUTION RANGE LOW (A) : 25.295 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 6.900 REMARK 200 R MERGE (I) : 0.17900 REMARK 200 R SYM (I) : 0.17900 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 6.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.95 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 REMARK 200 DATA REDUNDANCY IN SHELL : 6.00 REMARK 200 R MERGE FOR SHELL (I) : 0.80600 REMARK 200 R SYM FOR SHELL (I) : 0.80600 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.533 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: PDB ENTRY 3DP6 REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.84 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.55 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 16-18 PEG8K, 0.1 M NA CACODYLATE, REMARK 280 0.1-0.15 ZINC ACETATE, PH 6.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 277K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 X,-Y,-Z REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 -X,-Y+1/2,Z+1/2 REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 57.17500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 81.43400 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 57.17500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 81.43400 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: 1620 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22150 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -9.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, 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 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: 1540 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22470 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -10.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: H 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 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 -114.35000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -162.86800

REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS(M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLU B 24 CG CD OE1 OE2 REMARK 470 LYS B 45 CG CD CE NZ REMARK 470 LYS B 50 CG CD CE NZ REMARK 470 GLU B 122 CG CD OE1 OE2 REMARK 470 GLU B 125 CG CD OE1 OE2 REMARK 470 THR B 131 OG1 CG2 REMARK 470 GLU B 132 CG CD OE1 OE2 REMARK 470 ARG B 149 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 157 CG CD CE NZ REMARK 470 ARG B 172 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 183 CG CD CE NZ REMARK 470 ASP B 248 CG OD1 OD2 REMARK 470 LYS D 4 CG CD CE NZ REMARK 470 LYS D 21 CG CD CE NZ REMARK 470 ASN D 22 CB CG OD1 ND2 REMARK 470 GLU D 24 CB CG CD OE1 OE2 REMARK 470 LYS D 45 CG CD CE NZ REMARK 470 LYS D 50 CG CD CE NZ REMARK 470 GLU D 122 CG CD OE1 OE2 REMARK 470 GLU D 125 CG CD OE1 OE2 REMARK 470 THR D 131 OG1 CG2 REMARK 470 GLU D 132 CG CD OE1 OE2 REMARK 470 ARG D 149 CG CD NE CZ NH1 NH2 REMARK 470 LYS D 157 CG CD CE NZ REMARK 470 ARG D 172 CG CD NE CZ NH1 NH2 REMARK 470 LYS D 183 CG CD CE NZ REMARK 470 ASP D 248 CG OD1 OD2 REMARK 470 LYS H 4 CG CD CE NZ REMARK 470 LYS H 45 CG CD CE NZ REMARK 470 LYS H 50 CG CD CE NZ REMARK 470 GLU H 122 CG CD OE1 OE2 REMARK 470 GLU H 125 CG CD OE1 OE2 REMARK 470 THR H 131 OG1 CG2 REMARK 470 GLU H 132 CG CD OE1 OE2 REMARK 470 LYS H 157 CG CD CE NZ REMARK 470 SER H 164 OG REMARK 470 ARG H 172 CG CD NE CZ NH1 NH2 REMARK 470 LYS H 183 CG CD CE NZ REMARK 470 ASP H 248 CG OD1 OD2

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 OE2 GLU H 166 ZN ZN H 3 1.35 REMARK 500 O HIS B 23 N MET B 25 1.46 REMARK 500 OE1 GLU B 42 ZN ZN H 3 1.53 REMARK 500 O04 HCZ B 800 O04 HCZ D 800 1.63 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OD2 ASP D 67 ZN ZN B 262 3544 1.18 REMARK 500 O03 HCZ H 800 O04 HCZ H 800 2544 2.06 REMARK 500 O04 HCZ H 800 O04 HCZ H 800 2544 2.09 REMARK 500 CE MET H 25 O HOH D 290 3554 2.14 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 LEU H 39 C ALA H 40 N 0.149 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 HIS B 23 -62.32 -141.02 REMARK 500 GLU B 24 -3.03 -22.68 REMARK 500 MET B 25 -92.31 -101.08 REMARK 500 GLU B 27 169.18 111.12 REMARK 500 ASP B 67 -78.48 -45.93 REMARK 500 ILE B 85 145.33 -172.01 REMARK 500 PRO B 89 62.12 -64.91 REMARK 500 PRO B 120 34.57 -70.48 REMARK 500 LYS B 129 31.24 -80.51 REMARK 500 SER B 140 35.89 76.85 REMARK 500 LYS B 218 -162.38 -166.18 REMARK 500 ASP B 257 -2.63 -57.96 REMARK 500 GLU D 13 111.10 -161.27 REMARK 500 PRO D 15 45.43 -109.10 REMARK 500 ASN D 22 54.66 -97.74 REMARK 500 ASP D 67 -81.76 -56.61 REMARK 500 LYS D 69 10.85 87.32 REMARK 500 PRO D 89 48.33 -75.43 REMARK 500 GLU D 97 -6.15 -59.44 REMARK 500 SER D 168 133.91 -38.41 REMARK 500 LYS D 218 -167.46 -172.26 REMARK 500 ASP D 257 2.60 -59.70 REMARK 500 GLU H 13 105.47 -166.44 REMARK 500 ASP H 67 -70.96 -64.96 REMARK 500 GLU H 201 -18.18 -39.61 REMARK 500 PRO H 205 33.91 -95.81 REMARK 500 ASP H 216 -170.07 -178.05 REMARK 500 LYS H 218 -169.34 -166.49 REMARK 500 REMARK 500 REMARK: NULL

REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH B 264 DISTANCE = 5.05 ANGSTROMS REMARK 525 HOH D 265 DISTANCE = 5.25 ANGSTROMS REMARK 525 HOH H 282 DISTANCE = 6.23 ANGSTROMS REMARK 525 HOH H 284 DISTANCE = 5.29 ANGSTROMS REMARK 525 HOH D 297 DISTANCE = 6.23 ANGSTROMS REMARK 525 HOH D 301 DISTANCE = 6.31 ANGSTROMS REMARK 525 HOH B 305 DISTANCE = 5.60 ANGSTROMS REMARK 525 HOH H 308 DISTANCE = 5.46 ANGSTROMS REMARK 525 HOH H 318 DISTANCE = 5.63 ANGSTROMS REMARK 525 HOH D 318 DISTANCE = 5.74 ANGSTROMS REMARK 525 HOH H 322 DISTANCE = 6.41 ANGSTROMS

REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN H 3 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 46 NE2 REMARK 620 2 GLU H 166 OE1 98.6 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN D 1 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU D 42 OE1 REMARK 620 2 HIS D 46 NE2 80.4 REMARK 620 N 1

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLU B 400 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLU D 400 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLU H 400 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HCZ B 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HCZ D 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HCZ H 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN D 1 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN H 2 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN H 3 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 262 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN H 262

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3IJO RELATED DB: PDB REMARK 900 RELATED ID: 3IK6 RELATED DB: PDB REMARK 900 RELATED ID: 3IL1 RELATED DB: PDB REMARK 900 RELATED ID: 3ILT RELATED DB: PDB REMARK 900 RELATED ID: 3ILU RELATED DB: PDB

DBREF 3IJX B 4 117 UNP P19491 GRIA2_RAT 414 527 DBREF 3IJX B 120 261 UNP P19491 GRIA2_RAT 653 794 DBREF 3IJX D 4 117 UNP P19491 GRIA2_RAT 414 527 DBREF 3IJX D 120 261 UNP P19491 GRIA2_RAT 653 794 DBREF 3IJX H 4 117 UNP P19491 GRIA2_RAT 414 527 DBREF 3IJX H 120 261 UNP P19491 GRIA2_RAT 653 794

SEQADV 3IJX GLY B 118 UNP P19491 LINKER SEQADV 3IJX THR B 119 UNP P19491 LINKER SEQADV 3IJX SER B 242 UNP P19491 ASN 775 ENGINEERED SEQADV 3IJX GLY D 118 UNP P19491 LINKER SEQADV 3IJX THR D 119 UNP P19491 LINKER SEQADV 3IJX SER D 242 UNP P19491 ASN 775 ENGINEERED SEQADV 3IJX GLY H 118 UNP P19491 LINKER SEQADV 3IJX THR H 119 UNP P19491 LINKER SEQADV 3IJX SER H 242 UNP P19491 ASN 775 ENGINEERED

SEQRES 1 B 258 LYS THR VAL VAL VAL THR THR ILE LEU GLU SER PRO TYR SEQRES 2 B 258 VAL MET MET LYS LYS ASN HIS GLU MET LEU GLU GLY ASN SEQRES 3 B 258 GLU ARG TYR GLU GLY TYR CYS VAL ASP LEU ALA ALA GLU SEQRES 4 B 258 ILE ALA LYS HIS CYS GLY PHE LYS TYR LYS LEU THR ILE SEQRES 5 B 258 VAL GLY ASP GLY LYS TYR GLY ALA ARG ASP ALA ASP THR SEQRES 6 B 258 LYS ILE TRP ASN GLY MET VAL GLY GLU LEU VAL TYR GLY SEQRES 7 B 258 LYS ALA ASP ILE ALA ILE ALA PRO LEU THR ILE THR LEU SEQRES 8 B 258 VAL ARG GLU GLU VAL ILE ASP PHE SER LYS PRO PHE MET SEQRES 9 B 258 SER LEU GLY ILE SER ILE MET ILE LYS LYS GLY THR PRO SEQRES 10 B 258 ILE GLU SER ALA GLU ASP LEU SER LYS GLN THR GLU ILE SEQRES 11 B 258 ALA TYR GLY THR LEU ASP SER GLY SER THR LYS GLU PHE SEQRES 12 B 258 PHE ARG ARG SER LYS ILE ALA VAL PHE ASP LYS MET TRP SEQRES 13 B 258 THR TYR MET ARG SER ALA GLU PRO SER VAL PHE VAL ARG SEQRES 14 B 258 THR THR ALA GLU GLY VAL ALA ARG VAL ARG LYS SER LYS SEQRES 15 B 258 GLY LYS TYR ALA TYR LEU LEU GLU SER THR MET ASN GLU SEQRES 16 B 258 TYR ILE GLU GLN ARG LYS PRO CYS ASP THR MET LYS VAL SEQRES 17 B 258 GLY GLY ASN LEU ASP SER LYS GLY TYR GLY ILE ALA THR SEQRES 18 B 258 PRO LYS GLY SER SER LEU GLY ASN ALA VAL ASN LEU ALA SEQRES 19 B 258 VAL LEU LYS LEU SER GLU GLN GLY LEU LEU ASP LYS LEU SEQRES 20 B 258 LYS ASN LYS TRP TRP TYR ASP LYS GLY GLU CYS SEQRES 1 D 258 LYS THR VAL VAL VAL THR THR ILE LEU GLU SER PRO TYR SEQRES 2 D 258 VAL MET MET LYS LYS ASN HIS GLU MET LEU GLU GLY ASN SEQRES 3 D 258 GLU ARG TYR GLU GLY TYR CYS VAL ASP LEU ALA ALA GLU SEQRES 4 D 258 ILE ALA LYS HIS CYS GLY PHE LYS TYR LYS LEU THR ILE SEQRES 5 D 258 VAL GLY ASP GLY LYS TYR GLY ALA ARG ASP ALA ASP THR SEQRES 6 D 258 LYS ILE TRP ASN GLY MET VAL GLY GLU LEU VAL TYR GLY SEQRES 7 D 258 LYS ALA ASP ILE ALA ILE ALA PRO LEU THR ILE THR LEU SEQRES 8 D 258 VAL ARG GLU GLU VAL ILE ASP PHE SER LYS PRO PHE MET SEQRES 9 D 258 SER LEU GLY ILE SER ILE MET ILE LYS LYS GLY THR PRO SEQRES 10 D 258 ILE GLU SER ALA GLU ASP LEU SER LYS GLN THR GLU ILE SEQRES 11 D 258 ALA TYR GLY THR LEU ASP SER GLY SER THR LYS GLU PHE SEQRES 12 D 258 PHE ARG ARG SER LYS ILE ALA VAL PHE ASP LYS MET TRP SEQRES 13 D 258 THR TYR MET ARG SER ALA GLU PRO SER VAL PHE VAL ARG SEQRES 14 D 258 THR THR ALA GLU GLY VAL ALA ARG VAL ARG LYS SER LYS SEQRES 15 D 258 GLY LYS TYR ALA TYR LEU LEU GLU SER THR MET ASN GLU SEQRES 16 D 258 TYR ILE GLU GLN ARG LYS PRO CYS ASP THR MET LYS VAL SEQRES 17 D 258 GLY GLY ASN LEU ASP SER LYS GLY TYR GLY ILE ALA THR SEQRES 18 D 258 PRO LYS GLY SER SER LEU GLY ASN ALA VAL ASN LEU ALA SEQRES 19 D 258 VAL LEU LYS LEU SER GLU GLN GLY LEU LEU ASP LYS LEU SEQRES 20 D 258 LYS ASN LYS TRP TRP TYR ASP LYS GLY GLU CYS SEQRES 1 H 258 LYS THR VAL VAL VAL THR THR ILE LEU GLU SER PRO TYR SEQRES 2 H 258 VAL MET MET LYS LYS ASN HIS GLU MET LEU GLU GLY ASN SEQRES 3 H 258 GLU ARG TYR GLU GLY TYR CYS VAL ASP LEU ALA ALA GLU SEQRES 4 H 258 ILE ALA LYS HIS CYS GLY PHE LYS TYR LYS LEU THR ILE SEQRES 5 H 258 VAL GLY ASP GLY LYS TYR GLY ALA ARG ASP ALA ASP THR SEQRES 6 H 258 LYS ILE TRP ASN GLY MET VAL GLY GLU LEU VAL TYR GLY SEQRES 7 H 258 LYS ALA ASP ILE ALA ILE ALA PRO LEU THR ILE THR LEU SEQRES 8 H 258 VAL ARG GLU GLU VAL ILE ASP PHE SER LYS PRO PHE MET SEQRES 9 H 258 SER LEU GLY ILE SER ILE MET ILE LYS LYS GLY THR PRO SEQRES 10 H 258 ILE GLU SER ALA GLU ASP LEU SER LYS GLN THR GLU ILE SEQRES 11 H 258 ALA TYR GLY THR LEU ASP SER GLY SER THR LYS GLU PHE SEQRES 12 H 258 PHE ARG ARG SER LYS ILE ALA VAL PHE ASP LYS MET TRP SEQRES 13 H 258 THR TYR MET ARG SER ALA GLU PRO SER VAL PHE VAL ARG SEQRES 14 H 258 THR THR ALA GLU GLY VAL ALA ARG VAL ARG LYS SER LYS SEQRES 15 H 258 GLY LYS TYR ALA TYR LEU LEU GLU SER THR MET ASN GLU SEQRES 16 H 258 TYR ILE GLU GLN ARG LYS PRO CYS ASP THR MET LYS VAL SEQRES 17 H 258 GLY GLY ASN LEU ASP SER LYS GLY TYR GLY ILE ALA THR SEQRES 18 H 258 PRO LYS GLY SER SER LEU GLY ASN ALA VAL ASN LEU ALA SEQRES 19 H 258 VAL LEU LYS LEU SER GLU GLN GLY LEU LEU ASP LYS LEU SEQRES 20 H 258 LYS ASN LYS TRP TRP TYR ASP LYS GLY GLU CYS

HET GLU B 400 10 HET HCZ B 800 17 HET GLU D 400 10 HET ZN B 262 1 HET HCZ D 800 17 HET GLU H 400 10 HET HCZ H 800 17 HET ZN D 1 1 HET ZN H 2 1 HET ZN H 3 1 HET ZN H 262 1

HETNAM GLU GLUTAMIC ACID HETNAM HCZ 6-CHLORO-3,4-DIHYDRO-2H-1,2,4-BENZOTHIADIAZINE-7- HETNAM 2 HCZ SULFONAMIDE 1,1-DIOXIDE HETNAM ZN ZINC ION

FORMUL 4 GLU 3(C5 H9 N O4) FORMUL 5 HCZ 3(C7 H8 CL N3 O4 S2) FORMUL 7 ZN 5(ZN 2+) FORMUL 15 HOH *168(H2 O)

HELIX 1 1 GLU B 27 GLU B 30 5 4 HELIX 2 2 GLY B 34 GLY B 48 1 15 HELIX 3 3 ASN B 72 TYR B 80 1 9 HELIX 4 4 THR B 93 GLU B 98 1 6 HELIX 5 5 SER B 123 LYS B 129 1 7 HELIX 6 6 GLY B 141 ARG B 149 1 9 HELIX 7 7 ILE B 152 SER B 164 1 13 HELIX 8 8 THR B 173 SER B 184 1 12 HELIX 9 9 SER B 194 GLU B 201 1 8 HELIX 10 10 SER B 229 GLN B 244 1 16 HELIX 11 11 GLY B 245 TYR B 256 1 12 HELIX 12 12 GLU D 27 GLU D 30 5 4 HELIX 13 13 GLY D 34 CYS D 47 1 14 HELIX 14 14 ASN D 72 TYR D 80 1 9 HELIX 15 15 SER D 123 LYS D 129 1 7 HELIX 16 16 GLY D 141 SER D 150 1 10 HELIX 17 17 ILE D 152 SER D 164 1 13 HELIX 18 18 THR D 173 SER D 184 1 12 HELIX 19 19 SER D 194 GLN D 202 1 9 HELIX 20 20 SER D 229 GLY D 245 1 17 HELIX 21 21 GLY D 245 TYR D 256 1 12 HELIX 22 22 GLU H 27 GLU H 30 5 4 HELIX 23 23 GLY H 34 GLY H 48 1 15 HELIX 24 24 ASN H 72 TYR H 80 1 9 HELIX 25 25 THR H 93 VAL H 99 1 7 HELIX 26 26 SER H 123 LYS H 129 1 7 HELIX 27 27 GLY H 141 SER H 150 1 10 HELIX 28 28 ILE H 152 ALA H 165 1 14 HELIX 29 29 THR H 173 SER H 184 1 12 HELIX 30 30 SER H 194 GLU H 201 1 8 HELIX 31 31 SER H 229 GLN H 244 1 16 HELIX 32 32 GLY H 245 TYR H 256 1 12

SHEET 1 A 3 TYR B 51 ILE B 55 0 SHEET 2 A 3 VAL B 6 THR B 10 1 N VAL B 8 O THR B 54 SHEET 3 A 3 ILE B 85 ALA B 86 1 O ILE B 85 N THR B 9 SHEET 1 B 2 MET B 18 MET B 19 0 SHEET 2 B 2 TYR B 32 GLU B 33 -1 O GLU B 33 N MET B 18 SHEET 1 C 2 ILE B 100 LEU B 109 0 SHEET 2 C 2 LYS B 218 PRO B 225 -1 O ILE B 222 N SER B 103 SHEET 1 D 4 ALA B 134 THR B 137 0 SHEET 2 D 4 TYR B 188 GLU B 193 1 O ALA B 189 N ALA B 134 SHEET 3 D 4 ILE B 111 LYS B 116 -1 N SER B 112 O LEU B 192 SHEET 4 D 4 THR B 208 VAL B 211 -1 O MET B 209 N ILE B 115 SHEET 1 E 3 TYR D 51 ILE D 55 0 SHEET 2 E 3 VAL D 6 THR D 10 1 N VAL D 8 O LYS D 52 SHEET 3 E 3 ILE D 85 ALA D 86 1 O ILE D 85 N THR D 9 SHEET 1 F 2 MET D 18 MET D 19 0 SHEET 2 F 2 TYR D 32 GLU D 33 -1 O GLU D 33 N MET D 18 SHEET 1 G 2 ILE D 100 PHE D 102 0 SHEET 2 G 2 ALA D 223 PRO D 225 -1 O THR D 224 N ASP D 101 SHEET 1 H 2 MET D 107 LEU D 109 0 SHEET 2 H 2 LYS D 218 TYR D 220 -1 O LYS D 218 N LEU D 109 SHEET 1 I 4 ALA D 134 THR D 137 0 SHEET 2 I 4 TYR D 188 GLU D 193 1 O ALA D 189 N ALA D 134 SHEET 3 I 4 ILE D 111 LYS D 116 -1 N SER D 112 O LEU D 192 SHEET 4 I 4 THR D 208 VAL D 211 -1 O MET D 209 N ILE D 115 SHEET 1 J 3 TYR H 51 ILE H 55 0 SHEET 2 J 3 VAL H 6 THR H 10 1 N VAL H 8 O THR H 54 SHEET 3 J 3 ILE H 85 ALA H 86 1 O ILE H 85 N THR H 9 SHEET 1 K 2 MET H 18 MET H 19 0 SHEET 2 K 2 TYR H 32 GLU H 33 -1 O GLU H 33 N MET H 18 SHEET 1 L 2 ILE H 100 PHE H 102 0 SHEET 2 L 2 ALA H 223 PRO H 225 -1 O THR H 224 N ASP H 101 SHEET 1 M 2 MET H 107 LEU H 109 0 SHEET 2 M 2 LYS H 218 TYR H 220 -1 O LYS H 218 N LEU H 109 SHEET 1 N 4 ALA H 134 THR H 137 0 SHEET 2 N 4 TYR H 188 GLU H 193 1 O LEU H 191 N GLY H 136 SHEET 3 N 4 ILE H 111 LYS H 116 -1 N SER H 112 O LEU H 192 SHEET 4 N 4 THR H 208 VAL H 211 -1 O MET H 209 N ILE H 115

SSBOND 1 CYS B 206 CYS B 261 1555 1555 2.04 SSBOND 2 CYS D 206 CYS D 261 1555 1555 2.04 SSBOND 3 CYS H 206 CYS H 261 1555 1555 2.03

LINK NE2 HIS B 23 ZN ZN B 262 1555 1555 1.81 LINK NE2 HIS B 46 ZN ZN H 3 1555 1555 2.35 LINK OE1 GLU D 42 ZN ZN D 1 1555 1555 2.26 LINK NE2 HIS D 46 ZN ZN D 1 1555 1555 2.40 LINK OE1 GLU H 166 ZN ZN H 3 1555 1555 2.08

CISPEP 1 SER B 14 PRO B 15 0 1.54 CISPEP 2 GLU B 166 PRO B 167 0 -2.56 CISPEP 3 LYS B 204 PRO B 205 0 6.74 CISPEP 4 SER D 14 PRO D 15 0 -1.19 CISPEP 5 GLU D 166 PRO D 167 0 2.59 CISPEP 6 LYS D 204 PRO D 205 0 6.03 CISPEP 7 SER H 14 PRO H 15 0 -1.89 CISPEP 8 GLU H 166 PRO H 167 0 4.86 CISPEP 9 LYS H 204 PRO H 205 0 5.02

SITE 1 AC1 13 TYR B 61 PRO B 89 LEU B 90 THR B 91 SITE 2 AC1 13 ARG B 96 LEU B 138 GLY B 141 SER B 142 SITE 3 AC1 13 THR B 143 GLU B 193 HOH B 263 HOH B 266 SITE 4 AC1 13 HOH B 302 SITE 1 AC2 11 TYR D 61 PRO D 89 LEU D 90 THR D 91 SITE 2 AC2 11 ARG D 96 LEU D 138 GLY D 141 SER D 142 SITE 3 AC2 11 THR D 143 GLU D 193 HOH D 266 SITE 1 AC3 10 TYR H 61 PRO H 89 LEU H 90 THR H 91 SITE 2 AC3 10 ARG H 96 LEU H 138 GLY H 141 SER H 142 SITE 3 AC3 10 THR H 143 GLU H 193 SITE 1 AC4 11 LYS B 104 PRO B 105 SER B 108 LEU B 239 SITE 2 AC4 11 SER B 242 ILE D 92 SER D 108 SER D 217 SITE 3 AC4 11 LYS D 218 GLY D 219 HCZ D 800 SITE 1 AC5 10 ILE B 92 SER B 108 SER B 217 LYS B 218 SITE 2 AC5 10 HCZ B 800 LYS D 104 PRO D 105 SER D 108 SITE 3 AC5 10 LEU D 239 SER D 242 SITE 1 AC6 9 ILE H 92 LYS H 104 PRO H 105 SER H 108 SITE 2 AC6 9 SER H 217 LYS H 218 LEU H 239 SER H 242 SITE 3 AC6 9 HOH H 313 SITE 1 AC7 2 GLU D 42 HIS D 46 SITE 1 AC8 2 ZN H 3 GLU H 166 SITE 1 AC9 4 GLU B 42 HIS B 46 ZN H 2 GLU H 166 SITE 1 BC1 3 HIS B 23 ASP D 65 ASP D 67 SITE 1 BC2 3 GLU H 42 HIS H 46 LEU H 241

CRYST1 47.404 114.350 162.868 90.00 90.00 90.00 P 2 21 21 12

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 0.021095 0.000000 0.000000 0.00000

SCALE2 0.000000 0.008745 0.000000 0.00000

SCALE3 0.000000 0.000000 0.006140 0.00000