HEADER SIGNALING PROTEIN 07-JUL-08 3DP4 TITLE CRYSTAL STRUCTURE OF THE BINDING DOMAIN OF THE AMPA SUBUNIT GLUR3 TITLE 2 BOUND TO AMPA COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLUTAMATE RECEPTOR 3; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: S1S2 BINDING DOMAIN; COMPND 5 SYNONYM: GLUR-3, GLUR-C, GLUR-K3, GLUTAMATE RECEPTOR IONOTROPIC, AMPA COMPND 6 3, AMPA-SELECTIVE GLUTAMATE RECEPTOR 3; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_TAXID: 10116; SOURCE 4 GENE: GRIA3, GLUR3; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: ORIGAMI B (DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET22B(+) KEYWDS GLUTAMATE RECEPTOR, GLUR3, AMPA RECEPTOR, NEUROTRANSMITTER RECEPTOR, KEYWDS 2 S1S2, ALTERNATIVE SPLICING, CELL JUNCTION, GLYCOPROTEIN, ION KEYWDS 3 TRANSPORT, IONIC CHANNEL, LIPOPROTEIN, MEMBRANE, PALMITATE, KEYWDS 4 PHOSPHOPROTEIN, POSTSYNAPTIC CELL MEMBRANE, SYNAPSE, TRANSMEMBRANE, KEYWDS 5 TRANSPORT, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.H.AHMED,Q.WANG,H.SONDERMANN,R.E.OSWALD REVDAT 8 09-OCT-24 3DP4 1 REMARK REVDAT 7 30-AUG-23 3DP4 1 REMARK SEQADV REVDAT 6 25-OCT-17 3DP4 1 REMARK REVDAT 5 02-AUG-17 3DP4 1 SOURCE REVDAT 4 07-APR-09 3DP4 1 AUTHOR JRNL REVDAT 3 17-MAR-09 3DP4 1 HELIX REVDAT 2 24-FEB-09 3DP4 1 VERSN REVDAT 1 25-NOV-08 3DP4 0 JRNL AUTH A.H.AHMED,Q.WANG,H.SONDERMANN,R.E.OSWALD JRNL TITL STRUCTURE OF THE S1S2 GLUTAMATE BINDING DOMAIN OF GLUR3. JRNL REF PROTEINS V. 75 628 2008 JRNL REFN ISSN 0887-3585 JRNL PMID 19003990 JRNL DOI 10.1002/PROT.22274 REMARK 2 REMARK 2 RESOLUTION. 2.11 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : MLF REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.11 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 347655.760 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.0 REMARK 3 NUMBER OF REFLECTIONS : 17893 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 SET) : 0.214 REMARK 3 FREE R VALUE : 0.260 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.400 REMARK 3 FREE R VALUE TEST SET COUNT : 1758 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.11 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.19 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1473 REMARK 3 BIN R VALUE (WORKING SET) : 0.2182 REMARK 3 BIN FREE R VALUE : 0.2646 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 8.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 143 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.020 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2031 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 15 REMARK 3 SOLVENT ATOMS : 96 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -6.03300 REMARK 3 B22 (A**2) : 0.77200 REMARK 3 B33 (A**2) : 5.26100 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.26 REMARK 3 ESD FROM SIGMAA (A) : 0.15 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.32 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.20 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.180 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.31 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.700 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.429 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.466 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.222 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.654 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : NULL REMARK 3 BSOL : 54.03 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : AMQ.PAR REMARK 3 PARAMETER FILE 3 : CNS_TOPPAR:WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : CNS_TOPPAR:ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3DP4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-JUL-08. REMARK 100 THE DEPOSITION ID IS D_1000048314. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-NOV-07 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 5.0 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) : 0.97700 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 : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18484 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.110 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 5.400 REMARK 200 R MERGE (I) : 0.08200 REMARK 200 R SYM (I) : 0.07000 REMARK 200 FOR THE DATA SET : 24.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.11 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.40 REMARK 200 R MERGE FOR SHELL (I) : 0.33100 REMARK 200 R SYM FOR SHELL (I) : 0.34400 REMARK 200 FOR SHELL : 6.730 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: PDB ENTRY 1FTJ A PROTOMER REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.03 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.68 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 15-17% PEG 1450, 0.2 M ZN ACETATE, 0.2 REMARK 280 M AMMONIUM SULFATE, PH 5.0, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 69.13400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 69.13400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 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 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 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 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 LEU A -15 REMARK 465 VAL A -14 REMARK 465 PRO A -13 REMARK 465 ARG A -12 REMARK 465 GLY A -11 REMARK 465 SER A -10 REMARK 465 ALA A -9 REMARK 465 MET A -8 REMARK 465 GLY A -7 REMARK 465 ILE A -6 REMARK 465 SER A -5 REMARK 465 ASN A -4 REMARK 465 ASP A -3 REMARK 465 SER A -2 REMARK 465 SER A -1 REMARK 465 ARG A 0 REMARK 465 GLY A 1 REMARK 465 ALA A 2 REMARK 465 ASN A 3 REMARK 465 GLY A 262 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 GLU A 67 -86.22 -72.20 REMARK 500 LEU A 109 -169.45 -164.90 REMARK 500 TRP A 255 -63.41 -104.48 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 ZN A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AMQ A 374 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3DLN RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE BINDING DOMAIN OF THE AMPA SUBUNIT GLUR3 REMARK 900 BOUND TO GLUTAMATE REMARK 900 RELATED ID: 3DP6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE BINDING DOMAIN OF THE AMPA SUBUNIT GLUR2 REMARK 900 BOUND TO GLUTAMATE REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE REFERENCE SEQUENCE PROVIDED IN DBREF RECORDS REMARK 999 IS OF THE ISOFORM FLIP (P19492-2). DBREF 3DP4 A 3 117 UNP P19492 GRIA3_RAT 416 530 DBREF 3DP4 A 120 262 UNP P19492 GRIA3_RAT 658 800 SEQADV 3DP4 LEU A -15 UNP P19492 EXPRESSION TAG SEQADV 3DP4 VAL A -14 UNP P19492 EXPRESSION TAG SEQADV 3DP4 PRO A -13 UNP P19492 EXPRESSION TAG SEQADV 3DP4 ARG A -12 UNP P19492 EXPRESSION TAG SEQADV 3DP4 GLY A -11 UNP P19492 EXPRESSION TAG SEQADV 3DP4 SER A -10 UNP P19492 EXPRESSION TAG SEQADV 3DP4 ALA A -9 UNP P19492 EXPRESSION TAG SEQADV 3DP4 MET A -8 UNP P19492 EXPRESSION TAG SEQADV 3DP4 GLY A -7 UNP P19492 EXPRESSION TAG SEQADV 3DP4 ILE A -6 UNP P19492 EXPRESSION TAG SEQADV 3DP4 SER A -5 UNP P19492 EXPRESSION TAG SEQADV 3DP4 ASN A -4 UNP P19492 EXPRESSION TAG SEQADV 3DP4 ASP A -3 UNP P19492 EXPRESSION TAG SEQADV 3DP4 SER A -2 UNP P19492 EXPRESSION TAG SEQADV 3DP4 SER A -1 UNP P19492 EXPRESSION TAG SEQADV 3DP4 ARG A 0 UNP P19492 EXPRESSION TAG SEQADV 3DP4 GLY A 1 UNP P19492 EXPRESSION TAG SEQADV 3DP4 ALA A 2 UNP P19492 EXPRESSION TAG SEQADV 3DP4 GLY A 118 UNP P19492 LINKER SEQADV 3DP4 THR A 119 UNP P19492 LINKER SEQADV 3DP4 GLY A 262 UNP P19492 EXPRESSION TAG SEQRES 1 A 278 LEU VAL PRO ARG GLY SER ALA MET GLY ILE SER ASN ASP SEQRES 2 A 278 SER SER ARG GLY ALA ASN ARG THR ILE VAL VAL THR THR SEQRES 3 A 278 ILE LEU GLU SER PRO TYR VAL MET TYR LYS LYS ASN HIS SEQRES 4 A 278 GLU GLN LEU GLU GLY ASN GLU ARG TYR GLU GLY TYR CYS SEQRES 5 A 278 VAL ASP LEU ALA TYR GLU ILE ALA LYS HIS VAL ARG ILE SEQRES 6 A 278 LYS TYR LYS LEU SER ILE VAL GLY ASP GLY LYS TYR GLY SEQRES 7 A 278 ALA ARG ASP PRO GLU THR LYS ILE TRP ASN GLY MET VAL SEQRES 8 A 278 GLY GLU LEU VAL TYR GLY ARG ALA ASP ILE ALA VAL ALA SEQRES 9 A 278 PRO LEU THR ILE THR LEU VAL ARG GLU GLU VAL ILE ASP SEQRES 10 A 278 PHE SER LYS PRO PHE MET SER LEU GLY ILE SER ILE MET SEQRES 11 A 278 ILE LYS LYS GLY THR PRO ILE GLU SER ALA GLU ASP LEU SEQRES 12 A 278 ALA LYS GLN THR GLU ILE ALA TYR GLY THR LEU ASP SER SEQRES 13 A 278 GLY SER THR LYS GLU PHE PHE ARG ARG SER LYS ILE ALA SEQRES 14 A 278 VAL TYR GLU LYS MET TRP SER TYR MET LYS SER ALA GLU SEQRES 15 A 278 PRO SER VAL PHE THR LYS THR THR ALA ASP GLY VAL ALA SEQRES 16 A 278 ARG VAL ARG LYS SER LYS GLY LYS PHE ALA PHE LEU LEU SEQRES 17 A 278 GLU SER THR MET ASN GLU TYR ILE GLU GLN ARG LYS PRO SEQRES 18 A 278 CYS ASP THR MET LYS VAL GLY GLY ASN LEU ASP SER LYS SEQRES 19 A 278 GLY TYR GLY VAL ALA THR PRO LYS GLY SER ALA LEU GLY SEQRES 20 A 278 THR PRO VAL ASN LEU ALA VAL LEU LYS LEU SER GLU GLN SEQRES 21 A 278 GLY ILE LEU ASP LYS LEU LYS ASN LYS TRP TRP TYR ASP SEQRES 22 A 278 LYS GLY GLU CYS GLY HET ZN A 301 1 HET ZN A 302 1 HET AMQ A 374 13 HETNAM ZN ZINC ION HETNAM AMQ (S)-ALPHA-AMINO-3-HYDROXY-5-METHYL-4-ISOXAZOLEPROPIONIC HETNAM 2 AMQ ACID HETSYN AMQ AMPA FORMUL 2 ZN 2(ZN 2+) FORMUL 4 AMQ C7 H10 N2 O4 FORMUL 5 HOH *96(H2 O) HELIX 1 1 ASN A 22 LEU A 26 5 5 HELIX 2 2 GLU A 27 GLU A 30 5 4 HELIX 3 3 GLY A 34 ARG A 48 1 15 HELIX 4 4 ASN A 72 TYR A 80 1 9 HELIX 5 5 THR A 93 GLU A 98 1 6 HELIX 6 6 SER A 123 LYS A 129 1 7 HELIX 7 7 GLY A 141 SER A 150 1 10 HELIX 8 8 ILE A 152 SER A 164 1 13 HELIX 9 9 THR A 173 SER A 184 1 12 HELIX 10 10 SER A 194 GLN A 202 1 9 HELIX 11 11 LEU A 230 GLN A 244 1 15 HELIX 12 12 GLY A 245 TRP A 255 1 11 SHEET 1 A 3 LYS A 50 ILE A 55 0 SHEET 2 A 3 THR A 5 THR A 10 1 N ILE A 6 O LYS A 50 SHEET 3 A 3 ILE A 85 ALA A 86 1 O ILE A 85 N THR A 9 SHEET 1 B 2 MET A 18 TYR A 19 0 SHEET 2 B 2 TYR A 32 GLU A 33 -1 O GLU A 33 N MET A 18 SHEET 1 C 2 ILE A 100 PHE A 102 0 SHEET 2 C 2 ALA A 223 PRO A 225 -1 O THR A 224 N ASP A 101 SHEET 1 D 2 MET A 107 LEU A 109 0 SHEET 2 D 2 LYS A 218 TYR A 220 -1 O LYS A 218 N LEU A 109 SHEET 1 E 4 ALA A 134 THR A 137 0 SHEET 2 E 4 PHE A 188 GLU A 193 1 O LEU A 191 N GLY A 136 SHEET 3 E 4 ILE A 111 LYS A 116 -1 N MET A 114 O PHE A 190 SHEET 4 E 4 THR A 208 VAL A 211 -1 O MET A 209 N ILE A 115 SSBOND 1 CYS A 206 CYS A 261 1555 1555 2.03 LINK NE2 HIS A 23 ZN ZN A 301 1555 1555 2.21 CISPEP 1 SER A 14 PRO A 15 0 0.30 CISPEP 2 GLU A 166 PRO A 167 0 -0.01 CISPEP 3 LYS A 204 PRO A 205 0 0.23 SITE 1 AC1 2 HIS A 23 GLU A 24 SITE 1 AC2 3 GLU A 42 HIS A 46 LEU A 241 SITE 1 AC3 13 TYR A 61 PRO A 89 LEU A 90 THR A 91 SITE 2 AC3 13 ARG A 96 GLY A 141 SER A 142 THR A 143 SITE 3 AC3 13 LEU A 192 GLU A 193 MET A 196 TYR A 220 SITE 4 AC3 13 HOH A 402 CRYST1 47.342 47.342 138.268 90.00 90.00 90.00 P 2 2 21 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 0.021123 0.000000 0.000000 0.00000 SCALE2 0.000000 0.021123 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007232 0.00000