1YCJ - Header Asymmetric Unit

HEADER MEMBRANE PROTEIN 22-DEC-04 1YCJ

TITLE CRYSTAL STRUCTURE OF THE KAINATE RECEPTOR GLUR5 LIGAND- TITLE 2 BINDING CORE IN COMPLEX WITH (S)-GLUTAMATE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: IONOTROPIC GLUTAMATE RECEPTOR 5; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: GLUR5 LIGAND-BINDING CORE; COMPND 5 SYNONYM: GLUTAMATE RECEPTOR, IONOTROPIC KAINATE 1; GLUR-5; COMPND 6 GLUR5; GLUTAMATE RECEPTOR SUBUNIT 5-2; COMPND 7 ENGINEERED: YES

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; 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, KAINATE RECEPTOR, GLUR5 KEYWDS 2 LIGAND-BINDING CORE, MEMBRANE PROTEIN

EXPDTA X-RAY DIFFRACTION

AUTHOR P.NAUR,B.VESTERGAARD,L.K.SKOV,J.EGEBJERG,M.GAJHEDE, AUTHOR 2 J.S.KASTRUP

REVDAT 3 24-FEB-09 1YCJ 1 VERSN REVDAT 2 22-MAR-05 1YCJ 1 JRNL REVDAT 1 01-FEB-05 1YCJ 0

JRNL AUTH P.NAUR,B.VESTERGAARD,L.K.SKOV,J.EGEBJERG,M.GAJHEDE, JRNL AUTH 2 J.S.KASTRUP JRNL TITL CRYSTAL STRUCTURE OF THE KAINATE RECEPTOR GLUR5 JRNL TITL 2 LIGAND-BINDING CORE IN COMPLEX WITH (S)-GLUTAMATE JRNL REF FEBS LETT. V. 579 1154 2005 JRNL REFN ISSN 0014-5793 JRNL PMID 15710405 JRNL DOI 10.1016/J.FEBSLET.2005.01.012

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.30 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 35600 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.203 REMARK 3 R VALUE (WORKING SET) : 0.199 REMARK 3 FREE R VALUE : 0.269 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1875 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.95 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.00 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2524 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.19 REMARK 3 BIN R VALUE (WORKING SET) : 0.2540 REMARK 3 BIN FREE R VALUE SET COUNT : 129 REMARK 3 BIN FREE R VALUE : 0.3640 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4038 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 55 REMARK 3 SOLVENT ATOMS : 398 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.11000 REMARK 3 B22 (A**2) : -0.59000 REMARK 3 B33 (A**2) : -0.93000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.95000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.201 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.190 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.138 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.787 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.952 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.910 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 4202 ; 0.021 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5668 ; 1.876 ; 1.974 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 508 ; 7.116 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 184 ;32.676 ;24.457 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 797 ;17.347 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 24 ;16.866 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 621 ; 0.142 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3074 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1995 ; 0.214 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 2812 ; 0.308 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 367 ; 0.196 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 82 ; 0.255 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 16 ; 0.159 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 2634 ; 1.312 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 4089 ; 1.994 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1848 ; 2.955 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1579 ; 4.314 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1YCJ COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-JAN-05. REMARK 100 THE RCSB ID CODE IS RCSB031377.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-NOV-04 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 4.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8128 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 37372 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.940 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.94 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.01 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.31400 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1FTJ REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG4000, PHOSPHAT-CITRATE BUFFER, REMARK 280 LITHIUMSULPHATE, PH 4.0, VAPOR DIFFUSION, HANGING DROP, REMARK 280 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 28.95050 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 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 300 REMARK: THE TWO PROTOMERS IN THE ASYMMETRIC UNIT CONSTITUTES A REMARK 300 DIMER OF THE TETRAMERIC MULTIMER REPRESENTING THE KNOWN REMARK 300 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE FUNCTIONAL REMARK 300 ION CHANNEL.

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: 3700 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23670 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -104.0 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 ARG A 800 REMARK 465 GLY A 801 REMARK 465 ASN A 802 REMARK 465 GLY A 803 REMARK 465 CYS A 804 REMARK 465 PRO A 805 REMARK 465 GLY B 429

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 O SER A 715 NH2 ARG A 727 1.83 REMARK 500 OE1 GLU B 470 O HOH B 400 2.15 REMARK 500 O HOH A 193 O HOH A 298 2.17 REMARK 500 OD1 ASP B 669 O HOH B 133 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ASP A 451 CB - CG - OD2 ANGL. DEV. = 6.8 DEGREES REMARK 500 LEU A 465 CA - CB - CG ANGL. DEV. = -15.7 DEGREES REMARK 500 ASP A 511 CB - CG - OD2 ANGL. DEV. = 6.7 DEGREES REMARK 500 ASP B 511 CB - CG - OD2 ANGL. DEV. = 8.5 DEGREES REMARK 500 ARG B 712 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 ASN A 499 -160.39 -128.37 REMARK 500 HIS A 508 43.59 37.45 REMARK 500 THR A 678 -41.64 -134.93 REMARK 500 ARG A 712 86.07 23.57 REMARK 500 GLU B 441 119.20 -161.61 REMARK 500 SER B 772 133.25 -34.05 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 A 336 DISTANCE = 5.20 ANGSTROMS

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 806 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 807 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 806 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 808 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 807 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 809 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 808 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLU A 998 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLU A 999

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FTJ RELATED DB: PDB REMARK 900 THE LIGAND-BINDING CORE OF GLUR2 IN COMPLEX WITH GLUTAMATE

DBREF 1YCJ A 430 544 UNP P22756 GRIK1_RAT 430 544 DBREF 1YCJ A 667 805 GB 204390 AAA02874 667 805 DBREF 1YCJ B 430 544 UNP P22756 GRIK1_RAT 430 544 DBREF 1YCJ B 667 805 GB 204390 AAA02874 667 805

SEQADV 1YCJ GLY A 429 UNP P22756 CLONING ARTIFACT SEQADV 1YCJ GLY A 545 UNP P22756 LINKER SEQADV 1YCJ THR A 546 UNP P22756 LINKER SEQADV 1YCJ GLY B 429 UNP P22756 CLONING ARTIFACT SEQADV 1YCJ GLY B 545 UNP P22756 LINKER SEQADV 1YCJ 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 SO4 A 806 5 HET SO4 A 807 5 HET SO4 B 806 5 HET SO4 A 808 5 HET SO4 B 807 5 HET SO4 A 809 5 HET SO4 B 808 5 HET GLU A 998 10 HET GLU A 999 10

HETNAM SO4 SULFATE ION HETNAM GLU GLUTAMIC ACID

FORMUL 3 SO4 7(O4 S 2-) FORMUL 10 GLU 2(C5 H9 N O4) FORMUL 11 HOH *398(H2 O)

HELIX 1 1 TYR A 455 ASP A 458 5 4 HELIX 2 2 GLY A 462 GLY A 476 1 15 HELIX 3 3 ASN A 499 ASP A 507 1 9 HELIX 4 4 VAL A 522 LYS A 525 5 4 HELIX 5 5 SER A 670 GLN A 677 1 8 HELIX 6 6 GLY A 688 SER A 697 1 10 HELIX 7 7 ILE A 699 SER A 711 1 13 HELIX 8 8 ARG A 712 LEU A 717 1 6 HELIX 9 9 ASN A 720 THR A 731 1 12 HELIX 10 10 SER A 739 ASN A 749 1 11 HELIX 11 11 PRO A 773 GLU A 788 1 16 HELIX 12 12 GLY A 789 TRP A 799 1 11 HELIX 13 13 TYR B 455 ASP B 458 5 4 HELIX 14 14 GLY B 462 GLY B 476 1 15 HELIX 15 15 ASN B 499 ASP B 507 1 9 HELIX 16 16 THR B 520 LYS B 525 1 6 HELIX 17 17 SER B 670 GLN B 677 1 8 HELIX 18 18 GLY B 688 SER B 697 1 10 HELIX 19 19 ILE B 699 SER B 715 1 17 HELIX 20 20 ASN B 720 THR B 731 1 12 HELIX 21 21 SER B 739 ASN B 749 1 11 HELIX 22 22 TYR B 774 GLU B 788 1 15 HELIX 23 23 GLY B 789 ARG B 800 1 12

SHEET 1 A 3 TYR A 479 LEU A 483 0 SHEET 2 A 3 LEU A 434 THR A 438 1 N LEU A 434 O ASP A 480 SHEET 3 A 3 LEU A 512 ALA A 513 1 O LEU A 512 N THR A 437 SHEET 1 B 2 MET A 446 TYR A 447 0 SHEET 2 B 2 PHE A 460 GLU A 461 -1 O GLU A 461 N MET A 446 SHEET 1 C 2 ILE A 527 PHE A 529 0 SHEET 2 C 2 GLY A 767 PRO A 769 -1 O THR A 768 N ASP A 528 SHEET 1 D 2 MET A 534 LEU A 536 0 SHEET 2 D 2 LYS A 762 TYR A 764 -1 O LYS A 762 N LEU A 536 SHEET 1 E 4 GLU A 681 GLY A 683 0 SHEET 2 E 4 TYR A 733 GLU A 738 1 O LEU A 736 N GLY A 683 SHEET 3 E 4 ILE A 538 ARG A 543 -1 N SER A 539 O MET A 737 SHEET 4 E 4 LEU A 752 ILE A 755 -1 O THR A 753 N TYR A 542 SHEET 1 F 3 TYR B 479 LEU B 483 0 SHEET 2 F 3 LEU B 434 THR B 438 1 N LEU B 434 O ASP B 480 SHEET 3 F 3 LEU B 512 ALA B 513 1 O LEU B 512 N THR B 437 SHEET 1 G 2 MET B 446 TYR B 447 0 SHEET 2 G 2 PHE B 460 GLU B 461 -1 O GLU B 461 N MET B 446 SHEET 1 H 2 ASP B 528 PHE B 529 0 SHEET 2 H 2 GLY B 767 THR B 768 -1 O THR B 768 N ASP B 528 SHEET 1 I 2 MET B 534 LEU B 536 0 SHEET 2 I 2 LYS B 762 TYR B 764 -1 O LYS B 762 N LEU B 536 SHEET 1 J 4 GLU B 681 GLY B 683 0 SHEET 2 J 4 TYR B 733 GLU B 738 1 O LEU B 736 N GLY B 683 SHEET 3 J 4 ILE B 538 ARG B 543 -1 N SER B 539 O MET B 737 SHEET 4 J 4 LEU B 752 ILE B 755 -1 O THR B 753 N TYR B 542

SSBOND 1 CYS B 750 CYS B 804 1555 1555 2.08

CISPEP 1 GLU A 442 PRO A 443 0 -10.86 CISPEP 2 GLU B 442 PRO B 443 0 -7.61

SITE 1 AC1 1 ARG A 432 SITE 1 AC2 5 HOH A 384 THR A 520 TYR A 521 VAL A 522 SITE 2 AC2 5 LYS A 762 SITE 1 AC3 4 ARG B 459 VAL B 481 LYS B 482 LEU B 483 SITE 1 AC4 8 HOH A 59 HOH A 240 HOH A 293 HOH A 344 SITE 2 AC4 8 HOH A 396 HIS A 792 GLY B 757 LEU B 758 SITE 1 AC5 4 GLY A 757 LEU A 758 HOH B 146 HIS B 792 SITE 1 AC6 4 HOH A 360 ARG A 459 LYS A 482 LEU A 483 SITE 1 AC7 6 HOH B 212 HOH B 248 THR B 520 TYR B 521 SITE 2 AC7 6 VAL B 522 LYS B 762 SITE 1 AC8 14 HOH A 11 HOH A 16 HOH A 24 HOH A 207 SITE 2 AC8 14 TYR A 489 PRO A 516 LEU A 517 THR A 518 SITE 3 AC8 14 ARG A 523 GLY A 688 SER A 689 THR A 690 SITE 4 AC8 14 GLU A 738 TYR A 764 SITE 1 AC9 14 HOH A 1 HOH A 6 HOH B 5 HOH B 49 SITE 2 AC9 14 TYR B 489 PRO B 516 LEU B 517 THR B 518 SITE 3 AC9 14 ARG B 523 GLY B 688 SER B 689 THR B 690 SITE 4 AC9 14 GLU B 738 TYR B 764

CRYST1 51.714 57.901 88.750 90.00 102.51 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 0.019337 0.000000 0.004289 0.00000

SCALE2 0.000000 0.017271 0.000000 0.00000

SCALE3 0.000000 0.000000 0.011541 0.00000