HEADER TRANSPORT PROTEIN 03-AUG-11 3T9V TITLE CNQX BOUND TO A REDUCED DOUBLE CYSTEINE MUTANT (A452C/S652C) OF THE TITLE 2 LIGAND BINDING DOMAIN OF GLUA2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLUTAMATE RECEPTOR 2; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: SEE REMARK 999; COMPND 5 SYNONYM: GLUA2, GLUR2, AMPA-SELECTIVE GLUTAMATE RECEPTOR 2, GLUR-B, COMPND 6 GLUR-K2; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: GRIA2,GLUA2; 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 S1S2, NEUROTRANSMITTER RECEPTOR, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.H.AHMED,R.E.OSWALD REVDAT 4 26-JUL-17 3T9V 1 SOURCE REVDAT 3 19-OCT-11 3T9V 1 JRNL REVDAT 2 31-AUG-11 3T9V 1 JRNL REVDAT 1 17-AUG-11 3T9V 0 JRNL AUTH A.H.AHMED,S.WANG,H.H.CHUANG,R.E.OSWALD JRNL TITL MECHANISM OF AMPA RECEPTOR ACTIVATION BY PARTIAL AGONISTS: JRNL TITL 2 DISULFIDE TRAPPING OF CLOSED LOBE CONFORMATIONS. JRNL REF J.BIOL.CHEM. V. 286 35257 2011 JRNL REFN ISSN 0021-9258 JRNL PMID 21846932 JRNL DOI 10.1074/JBC.M111.269001 REMARK 2 REMARK 2 RESOLUTION. 1.98 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.98 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.60 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.080 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.1 REMARK 3 NUMBER OF REFLECTIONS : 37055 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.181 REMARK 3 R VALUE (WORKING SET) : 0.178 REMARK 3 FREE R VALUE : 0.238 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.210 REMARK 3 FREE R VALUE TEST SET COUNT : 1932 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 35.6098 - 4.7553 0.99 2659 150 0.1846 0.2232 REMARK 3 2 4.7553 - 3.7758 1.00 2626 145 0.1449 0.2153 REMARK 3 3 3.7758 - 3.2989 1.00 2620 141 0.1636 0.2053 REMARK 3 4 3.2989 - 2.9974 1.00 2610 150 0.1713 0.2121 REMARK 3 5 2.9974 - 2.7827 0.99 2589 142 0.1722 0.2221 REMARK 3 6 2.7827 - 2.6187 0.99 2586 142 0.1778 0.2659 REMARK 3 7 2.6187 - 2.4876 0.98 2565 142 0.1728 0.2115 REMARK 3 8 2.4876 - 2.3793 0.98 2532 148 0.1845 0.2752 REMARK 3 9 2.3793 - 2.2877 0.97 2508 134 0.1804 0.2385 REMARK 3 10 2.2877 - 2.2088 0.96 2489 131 0.1770 0.2657 REMARK 3 11 2.2088 - 2.1397 0.95 2456 135 0.1975 0.2889 REMARK 3 12 2.1397 - 2.0786 0.93 2426 122 0.2003 0.2795 REMARK 3 13 2.0786 - 2.0239 0.91 2375 133 0.2048 0.2804 REMARK 3 14 2.0239 - 1.9745 0.81 2082 117 0.2245 0.3388 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 : 0.38 REMARK 3 B_SOL : 50.90 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.290 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.530 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -5.46120 REMARK 3 B22 (A**2) : 17.29190 REMARK 3 B33 (A**2) : -11.83070 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.35020 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 : 0.014 4139 REMARK 3 ANGLE : 1.462 5571 REMARK 3 CHIRALITY : 0.102 612 REMARK 3 PLANARITY : 0.006 696 REMARK 3 DIHEDRAL : 17.415 1527 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 3T9V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-AUG-11. REMARK 100 THE DEPOSITION ID IS D_1000067219. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-OCT-10 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-3000 REMARK 200 DATA SCALING SOFTWARE : HKL-3000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38241 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.970 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.09700 REMARK 200 R SYM (I) : 0.09700 REMARK 200 FOR THE DATA SET : 14.0300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.97 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : 0.28700 REMARK 200 R SYM FOR SHELL (I) : 0.28700 REMARK 200 FOR SHELL : 2.418 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 3B7D REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.66 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 14-15% PEG8000, 0.1 M SODIUM REMARK 280 CACODYLATE, 0.1-0.15 M ZINC ACETATE, 0.25 M AMMONIUM SULFATE, PH REMARK 280 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K 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 29.35200 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 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 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 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 LYS A 4 CG CD CE NZ REMARK 470 LYS A 21 CD CE NZ REMARK 470 LYS B 4 CG CD CE NZ 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 LYS B 69 25.73 46.66 REMARK 500 REMARK 500 REMARK: NULL 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 A 2 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 42 OE1 REMARK 620 2 HIS A 46 NE2 79.7 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 3 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 24 OE2 REMARK 620 2 HIS B 23 NE2 99.4 REMARK 620 3 HOH B 360 O 60.1 76.5 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 1 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 23 NE2 REMARK 620 2 HOH A 421 O 89.2 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 262 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 46 NE2 REMARK 620 2 GLU B 42 OE2 79.1 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 CNI A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CNI B 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 3 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 262 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3T93 RELATED DB: PDB REMARK 900 GLUTAMATE BOUND TO A DOUBLE CYSTEINE MUTANT (A452C/S652C) OF THE REMARK 900 LIGAND BINDING DOMAIN OF GLUA2 REMARK 900 RELATED ID: 3T96 RELATED DB: PDB REMARK 900 IODOWILLARDIINE BOUND TO A DOUBLE CYSTEINE MUTANT (A452C/S652C) OF REMARK 900 THE LIGAND BINDING DOMAIN OF GLUA2 REMARK 900 RELATED ID: 3T9H RELATED DB: PDB REMARK 900 KAINATE BOUND TO A DOUBLE CYSTEINE MUTANT (A452C/S652C) OF THE REMARK 900 LIGAND BINDING DOMAIN OF GLUA2 REMARK 900 RELATED ID: 3T9U RELATED DB: PDB REMARK 900 CNQX BOUND TO AN OXIDIZED DOUBLE CYSTEINE MUTANT (A452C/S652C) OF REMARK 900 THE LIGAND BINDING DOMAIN OF GLUA2 REMARK 900 RELATED ID: 3T9X RELATED DB: PDB REMARK 900 GLUTAMATE BOUND TO A DOUBLE CYSTEINE MUTANT (V484C/E657C) OF THE REMARK 900 LIGAND BINDING DOMAIN OF GLUA2 REMARK 999 REMARK 999 SEQUENCE REMARK 999 PROTEIN FRAGMENT COMPRISES UNP RESIDUES 414-527 AND UNP RESIDUES REMARK 999 653-794 CONNECTED BY AN ENGINEERED GT LINKER. DBREF 3T9V A 4 117 UNP P19491 GRIA2_RAT 414 527 DBREF 3T9V A 120 261 UNP P19491 GRIA2_RAT 653 794 DBREF 3T9V B 4 117 UNP P19491 GRIA2_RAT 414 527 DBREF 3T9V B 120 261 UNP P19491 GRIA2_RAT 653 794 SEQADV 3T9V CYS A 63 UNP P19491 ALA 473 ENGINEERED MUTATION SEQADV 3T9V GLY A 118 UNP P19491 LINKER SEQADV 3T9V THR A 119 UNP P19491 LINKER SEQADV 3T9V CYS A 140 UNP P19491 SER 673 ENGINEERED MUTATION SEQADV 3T9V CYS B 63 UNP P19491 ALA 473 ENGINEERED MUTATION SEQADV 3T9V GLY B 118 UNP P19491 LINKER SEQADV 3T9V THR B 119 UNP P19491 LINKER SEQADV 3T9V CYS B 140 UNP P19491 SER 673 ENGINEERED MUTATION SEQRES 1 A 258 LYS THR VAL VAL VAL THR THR ILE LEU GLU SER PRO TYR SEQRES 2 A 258 VAL MET MET LYS LYS ASN HIS GLU MET LEU GLU GLY ASN SEQRES 3 A 258 GLU ARG TYR GLU GLY TYR CYS VAL ASP LEU ALA ALA GLU SEQRES 4 A 258 ILE ALA LYS HIS CYS GLY PHE LYS TYR LYS LEU THR ILE SEQRES 5 A 258 VAL GLY ASP GLY LYS TYR GLY CYS ARG ASP ALA ASP THR SEQRES 6 A 258 LYS ILE TRP ASN GLY MET VAL GLY GLU LEU VAL TYR GLY SEQRES 7 A 258 LYS ALA ASP ILE ALA ILE ALA PRO LEU THR ILE THR LEU SEQRES 8 A 258 VAL ARG GLU GLU VAL ILE ASP PHE SER LYS PRO PHE MET SEQRES 9 A 258 SER LEU GLY ILE SER ILE MET ILE LYS LYS GLY THR PRO SEQRES 10 A 258 ILE GLU SER ALA GLU ASP LEU SER LYS GLN THR GLU ILE SEQRES 11 A 258 ALA TYR GLY THR LEU ASP CYS GLY SER THR LYS GLU PHE SEQRES 12 A 258 PHE ARG ARG SER LYS ILE ALA VAL PHE ASP LYS MET TRP SEQRES 13 A 258 THR TYR MET ARG SER ALA GLU PRO SER VAL PHE VAL ARG SEQRES 14 A 258 THR THR ALA GLU GLY VAL ALA ARG VAL ARG LYS SER LYS SEQRES 15 A 258 GLY LYS TYR ALA TYR LEU LEU GLU SER THR MET ASN GLU SEQRES 16 A 258 TYR ILE GLU GLN ARG LYS PRO CYS ASP THR MET LYS VAL SEQRES 17 A 258 GLY GLY ASN LEU ASP SER LYS GLY TYR GLY ILE ALA THR SEQRES 18 A 258 PRO LYS GLY SER SER LEU GLY ASN ALA VAL ASN LEU ALA SEQRES 19 A 258 VAL LEU LYS LEU ASN GLU GLN GLY LEU LEU ASP LYS LEU SEQRES 20 A 258 LYS ASN LYS TRP TRP TYR ASP LYS GLY GLU CYS 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 CYS 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 CYS 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 ASN GLU GLN GLY LEU LEU ASP LYS LEU SEQRES 20 B 258 LYS ASN LYS TRP TRP TYR ASP LYS GLY GLU CYS HET CNI A 400 17 HET ZN A 1 1 HET ZN A 2 1 HET CNI B 400 17 HET ZN B 3 1 HET ZN B 262 1 HETNAM CNI 7-NITRO-2,3-DIOXO-2,3-DIHYDROQUINOXALINE-6-CARBONITRILE HETNAM ZN ZINC ION FORMUL 3 CNI 2(C9 H2 N4 O4) FORMUL 4 ZN 4(ZN 2+) FORMUL 9 HOH *535(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 GLY 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 ALA A 165 1 14 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 TYR A 256 1 12 HELIX 13 13 ASN B 22 LEU B 26 5 5 HELIX 14 14 GLU B 27 GLU B 30 5 4 HELIX 15 15 GLY B 34 GLY B 48 1 15 HELIX 16 16 ASN B 72 TYR B 80 1 9 HELIX 17 17 THR B 93 GLU B 98 1 6 HELIX 18 18 SER B 123 LYS B 129 1 7 HELIX 19 19 GLY B 141 SER B 150 1 10 HELIX 20 20 ILE B 152 SER B 164 1 13 HELIX 21 21 THR B 173 SER B 184 1 12 HELIX 22 22 SER B 194 GLN B 202 1 9 HELIX 23 23 LEU B 230 GLN B 244 1 15 HELIX 24 24 GLY B 245 TYR B 256 1 12 SHEET 1 A 5 TYR A 51 ILE A 55 0 SHEET 2 A 5 VAL A 6 THR A 10 1 N VAL A 6 O LYS A 52 SHEET 3 A 5 ILE A 85 THR A 91 1 O ILE A 85 N THR A 9 SHEET 4 A 5 LYS A 218 PRO A 225 -1 O ALA A 223 N ALA A 86 SHEET 5 A 5 ILE A 100 PHE A 102 -1 N ASP A 101 O THR A 224 SHEET 1 B 5 TYR A 51 ILE A 55 0 SHEET 2 B 5 VAL A 6 THR A 10 1 N VAL A 6 O LYS A 52 SHEET 3 B 5 ILE A 85 THR A 91 1 O ILE A 85 N THR A 9 SHEET 4 B 5 LYS A 218 PRO A 225 -1 O ALA A 223 N ALA A 86 SHEET 5 B 5 MET A 107 LEU A 109 -1 N LEU A 109 O LYS A 218 SHEET 1 C 2 MET A 18 MET A 19 0 SHEET 2 C 2 TYR A 32 GLU A 33 -1 O GLU A 33 N MET A 18 SHEET 1 D 4 ALA A 134 GLY A 136 0 SHEET 2 D 4 TYR A 188 GLU A 193 1 O LEU A 191 N GLY A 136 SHEET 3 D 4 ILE A 111 LYS A 116 -1 N MET A 114 O TYR A 190 SHEET 4 D 4 THR A 208 VAL A 211 -1 O MET A 209 N ILE A 115 SHEET 1 E 5 LYS B 50 ILE B 55 0 SHEET 2 E 5 THR B 5 THR B 10 1 N VAL B 8 O LYS B 52 SHEET 3 E 5 ILE B 85 THR B 91 1 O ILE B 85 N THR B 9 SHEET 4 E 5 LYS B 218 PRO B 225 -1 O ALA B 223 N ALA B 86 SHEET 5 E 5 ILE B 100 PHE B 102 -1 N ASP B 101 O THR B 224 SHEET 1 F 5 LYS B 50 ILE B 55 0 SHEET 2 F 5 THR B 5 THR B 10 1 N VAL B 8 O LYS B 52 SHEET 3 F 5 ILE B 85 THR B 91 1 O ILE B 85 N THR B 9 SHEET 4 F 5 LYS B 218 PRO B 225 -1 O ALA B 223 N ALA B 86 SHEET 5 F 5 MET B 107 LEU B 109 -1 N LEU B 109 O LYS B 218 SHEET 1 G 2 MET B 18 MET B 19 0 SHEET 2 G 2 TYR B 32 GLU B 33 -1 O GLU B 33 N MET B 18 SHEET 1 H 4 ALA B 134 GLY B 136 0 SHEET 2 H 4 TYR B 188 GLU B 193 1 O LEU B 191 N GLY B 136 SHEET 3 H 4 ILE B 111 LYS B 116 -1 N MET B 114 O TYR B 190 SHEET 4 H 4 THR B 208 VAL B 211 -1 O MET B 209 N ILE B 115 LINK OE1 GLU A 42 ZN ZN A 2 1555 1555 2.21 LINK OE2 GLU B 24 ZN ZN B 3 1555 1555 2.21 LINK NE2 HIS A 23 ZN ZN A 1 1555 1555 2.25 LINK NE2 HIS B 23 ZN ZN B 3 1555 1555 2.37 LINK NE2 HIS B 46 ZN ZN B 262 1555 1555 2.44 LINK OE2 GLU B 42 ZN ZN B 262 1555 1555 2.48 LINK ZN ZN B 3 O HOH B 360 1555 1555 2.50 LINK ZN ZN A 1 O HOH A 421 1555 1555 2.58 LINK NE2 HIS A 46 ZN ZN A 2 1555 1555 2.70 CISPEP 1 SER A 14 PRO A 15 0 -1.26 CISPEP 2 GLU A 166 PRO A 167 0 -5.22 CISPEP 3 LYS A 204 PRO A 205 0 8.13 CISPEP 4 SER B 14 PRO B 15 0 0.08 CISPEP 5 GLU B 166 PRO B 167 0 -4.00 CISPEP 6 LYS B 204 PRO B 205 0 2.89 SITE 1 AC1 13 GLU A 13 TYR A 61 PRO A 89 LEU A 90 SITE 2 AC1 13 THR A 91 ARG A 96 THR A 174 GLU A 193 SITE 3 AC1 13 THR A 195 MET A 196 TYR A 220 HOH A 422 SITE 4 AC1 13 HOH A 518 SITE 1 AC2 13 GLU B 13 TYR B 61 PRO B 89 LEU B 90 SITE 2 AC2 13 THR B 91 ARG B 96 THR B 174 THR B 195 SITE 3 AC2 13 MET B 196 TYR B 220 HOH B 308 HOH B 479 SITE 4 AC2 13 HOH B 509 SITE 1 AC3 4 HIS A 23 HOH A 421 HOH B 492 HOH B 526 SITE 1 AC4 2 GLU A 42 HIS A 46 SITE 1 AC5 5 ASP A 139 HIS B 23 GLU B 24 HOH B 360 SITE 2 AC5 5 HOH B 461 SITE 1 AC6 3 GLU B 42 HIS B 46 GLN B 244 CRYST1 49.162 58.704 96.072 90.00 93.41 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 0.020341 0.000000 0.001211 0.00000 SCALE2 0.000000 0.017035 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010427 0.00000 MASTER 299 0 6 24 32 0 13 6 0 0 0 40 END