HEADER MEMBRANE PROTEIN 01-SEP-10 2XQ8 TITLE PENTAMERIC LIGAND GATED ION CHANNEL GLIC IN COMPLEX WITH ZINC ION TITLE 2 (ZN2+) COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLR4197 PROTEIN; COMPND 3 CHAIN: A, B, C, D, E; COMPND 4 FRAGMENT: RESIDUES 43-359; COMPND 5 SYNONYM: GLIC; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GLOEOBACTER VIOLACEUS PCC 7421; SOURCE 3 ORGANISM_TAXID: 251221; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET26 KEYWDS MEMBRANE PROTEIN, OPEN CHANNEL BLOCK EXPDTA X-RAY DIFFRACTION AUTHOR R.J.C.HILF,C.BERTOZZI,I.ZIMMERMANN,A.REITER,D.TRAUNER,R.DUTZLER REVDAT 6 08-MAY-24 2XQ8 1 REMARK LINK REVDAT 5 06-FEB-19 2XQ8 1 REMARK REVDAT 4 30-JAN-19 2XQ8 1 REMARK REVDAT 3 25-MAY-11 2XQ8 1 JRNL REMARK REVDAT 2 24-NOV-10 2XQ8 1 JRNL REVDAT 1 10-NOV-10 2XQ8 0 JRNL AUTH R.J.C.HILF,C.BERTOZZI,I.ZIMMERMANN,A.REITER,D.TRAUNER, JRNL AUTH 2 R.DUTZLER JRNL TITL STRUCTURAL BASIS OF OPEN CHANNEL BLOCK IN A PROKARYOTIC JRNL TITL 2 PENTAMERIC LIGAND-GATED ION CHANNEL JRNL REF NAT.STRUCT.MOL.BIOL. V. 17 1330 2010 JRNL REFN ISSN 1545-9993 JRNL PMID 21037567 JRNL DOI 10.1038/NSMB.1933 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.J.C.HILF,R.DUTZLER REMARK 1 TITL STRUCTURE OF A POTENTIALLY OPEN STATE OF A PROTON-ACTIVATED REMARK 1 TITL 2 PENTAMERIC LIGAND-GATED ION CHANNEL. REMARK 1 REF NATURE V. 457 115 2009 REMARK 1 REFN ISSN 0028-0836 REMARK 1 PMID 18987630 REMARK 1 DOI 10.1038/NATURE07461 REMARK 2 REMARK 2 RESOLUTION. 3.60 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) : 3.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.20 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.910 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 42935 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.239 REMARK 3 R VALUE (WORKING SET) : 0.238 REMARK 3 FREE R VALUE : 0.249 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2167 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 40.2022 - 8.8367 0.99 2751 185 0.2793 0.1658 REMARK 3 2 8.8367 - 7.0262 1.00 2742 141 0.2191 0.2749 REMARK 3 3 7.0262 - 6.1416 1.00 2805 79 0.2290 0.2698 REMARK 3 4 6.1416 - 5.5816 1.00 2714 165 0.2315 0.2992 REMARK 3 5 5.5816 - 5.1825 1.00 2719 173 0.2079 0.2226 REMARK 3 6 5.1825 - 4.8775 1.00 2710 134 0.1764 0.1932 REMARK 3 7 4.8775 - 4.6336 1.00 2719 131 0.1756 0.2228 REMARK 3 8 4.6336 - 4.4321 1.00 2713 165 0.1933 0.2104 REMARK 3 9 4.4321 - 4.2617 1.00 2723 134 0.2155 0.2530 REMARK 3 10 4.2617 - 4.1148 1.00 2704 143 0.2293 0.2379 REMARK 3 11 4.1148 - 3.9863 1.00 2696 145 0.2399 0.2810 REMARK 3 12 3.9863 - 3.8724 1.00 2734 138 0.2629 0.3702 REMARK 3 13 3.8724 - 3.7705 1.00 2730 144 0.2883 0.3131 REMARK 3 14 3.7705 - 3.6786 1.00 2695 163 0.2918 0.3595 REMARK 3 15 3.6786 - 3.5950 0.97 2613 127 0.3126 0.3415 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 : 0.26 REMARK 3 B_SOL : 45.38 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.570 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 28.290 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) : 23.06350 REMARK 3 B22 (A**2) : -15.91220 REMARK 3 B33 (A**2) : -7.15130 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -51.09840 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 : 0.011 12995 REMARK 3 ANGLE : 1.457 17760 REMARK 3 CHIRALITY : 0.089 2065 REMARK 3 PLANARITY : 0.006 2230 REMARK 3 DIHEDRAL : 17.009 4650 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 24.8447 3.9327 52.4670 REMARK 3 T TENSOR REMARK 3 T11: 0.0400 T22: 0.0964 REMARK 3 T33: 0.0214 T12: -0.0706 REMARK 3 T13: 0.0661 T23: 0.0392 REMARK 3 L TENSOR REMARK 3 L11: 0.5248 L22: 0.7448 REMARK 3 L33: 0.5873 L12: 0.0301 REMARK 3 L13: 0.1058 L23: 0.1177 REMARK 3 S TENSOR REMARK 3 S11: 0.0213 S12: 0.1367 S13: 0.0104 REMARK 3 S21: -0.0095 S22: -0.0644 S23: 0.0340 REMARK 3 S31: -0.0502 S32: -0.0200 S33: -0.0005 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : 1 REMARK 3 NCS GROUP : 1 REMARK 3 NCS OPERATOR : 1 REMARK 3 REFERENCE SELECTION: CHAIN A AND (RESSEQ 7:316 ) REMARK 3 SELECTION : CHAIN B AND (RESSEQ 7:316 ) REMARK 3 ATOM PAIRS NUMBER : 2530 REMARK 3 RMSD : 0.060 REMARK 3 NCS OPERATOR : 2 REMARK 3 REFERENCE SELECTION: CHAIN A AND (RESSEQ 7:316 ) REMARK 3 SELECTION : CHAIN C AND (RESSEQ 7:316 ) REMARK 3 ATOM PAIRS NUMBER : 2530 REMARK 3 RMSD : 0.047 REMARK 3 NCS OPERATOR : 3 REMARK 3 REFERENCE SELECTION: CHAIN A AND (RESSEQ 7:316 ) REMARK 3 SELECTION : CHAIN D AND (RESSEQ 7:316 ) REMARK 3 ATOM PAIRS NUMBER : 2530 REMARK 3 RMSD : 0.055 REMARK 3 NCS OPERATOR : 4 REMARK 3 REFERENCE SELECTION: CHAIN A AND (RESSEQ 7:316 ) REMARK 3 SELECTION : CHAIN E AND (RESSEQ 7:316 ) REMARK 3 ATOM PAIRS NUMBER : 2530 REMARK 3 RMSD : 0.060 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: RESIDUES 1-6 ARE DISORDERED. REMARK 4 REMARK 4 2XQ8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 01-SEP-10. REMARK 100 THE DEPOSITION ID IS D_1290045235. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-MAY-09 REMARK 200 TEMPERATURE (KELVIN) : 90 REMARK 200 PH : 4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X06SA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.2837 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 54863 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.600 REMARK 200 RESOLUTION RANGE LOW (A) : 39.720 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 6.300 REMARK 200 R MERGE (I) : 0.13000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NONE REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 76.58 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 5.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 9% PEG4000, 50MM CH3COONA, 200MM REMARK 280 (NH4)2SO4, PH4.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 277.15K, VAPOR DIFFUSION, HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 91.65700 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 64.15500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 91.65700 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 64.15500 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 AUTHOR DETERMINED BIOLOGICAL UNIT: PENTAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: PENTAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 20960 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 64430 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -201.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E 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 0 REMARK 465 GLN A 1 REMARK 465 ASP A 2 REMARK 465 MET A 3 REMARK 465 VAL A 4 REMARK 465 SER A 5 REMARK 465 PRO A 6 REMARK 465 GLY B 0 REMARK 465 GLN B 1 REMARK 465 ASP B 2 REMARK 465 MET B 3 REMARK 465 VAL B 4 REMARK 465 SER B 5 REMARK 465 PRO B 6 REMARK 465 GLY C 0 REMARK 465 GLN C 1 REMARK 465 ASP C 2 REMARK 465 MET C 3 REMARK 465 VAL C 4 REMARK 465 SER C 5 REMARK 465 PRO C 6 REMARK 465 GLY D 0 REMARK 465 GLN D 1 REMARK 465 ASP D 2 REMARK 465 MET D 3 REMARK 465 VAL D 4 REMARK 465 SER D 5 REMARK 465 PRO D 6 REMARK 465 GLY E 0 REMARK 465 GLN E 1 REMARK 465 ASP E 2 REMARK 465 MET E 3 REMARK 465 VAL E 4 REMARK 465 SER E 5 REMARK 465 PRO E 6 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 ASP A 48 70.68 -112.65 REMARK 500 ARG A 49 -19.62 -43.91 REMARK 500 PHE A 53 59.23 -164.39 REMARK 500 ASP A 54 76.25 37.09 REMARK 500 ASN A 79 75.13 -103.67 REMARK 500 ASP A 96 17.08 -67.75 REMARK 500 TYR A 118 -75.30 -15.52 REMARK 500 LEU A 129 89.04 67.79 REMARK 500 VAL A 131 112.94 -162.83 REMARK 500 VAL A 134 -75.35 -124.19 REMARK 500 VAL A 148 12.02 -58.28 REMARK 500 LYS A 150 106.03 153.65 REMARK 500 PHE A 155 -84.50 -82.46 REMARK 500 LEU A 156 78.32 49.18 REMARK 500 SER A 163 137.79 -172.34 REMARK 500 THR A 165 -168.01 -124.42 REMARK 500 GLU A 176 50.55 72.88 REMARK 500 ARG A 178 114.26 -168.42 REMARK 500 PHE A 194 -66.53 160.67 REMARK 500 ILE A 200 -62.53 -133.89 REMARK 500 LEU A 226 -71.66 -96.04 REMARK 500 ASN A 244 44.01 -81.09 REMARK 500 GLN A 275 25.69 -56.76 REMARK 500 HIS A 276 -60.95 -137.05 REMARK 500 TYR A 277 22.31 -70.82 REMARK 500 LEU A 278 17.91 -143.95 REMARK 500 LYS A 279 -5.93 -141.57 REMARK 500 SER A 282 68.86 -68.44 REMARK 500 GLN A 283 52.93 -140.99 REMARK 500 ALA A 287 -72.17 -49.61 REMARK 500 PHE A 302 -71.16 -63.46 REMARK 500 PRO B 14 109.99 -47.41 REMARK 500 ASP B 48 72.37 -111.56 REMARK 500 ARG B 49 -18.57 -45.67 REMARK 500 PHE B 53 60.80 -165.27 REMARK 500 ASP B 54 77.01 34.19 REMARK 500 ASN B 79 75.03 -102.94 REMARK 500 TYR B 118 -76.44 -18.09 REMARK 500 LEU B 129 91.24 65.76 REMARK 500 VAL B 131 112.65 -161.07 REMARK 500 VAL B 134 -75.41 -124.22 REMARK 500 VAL B 148 12.03 -55.51 REMARK 500 LYS B 150 112.35 153.63 REMARK 500 PHE B 155 -86.93 -85.81 REMARK 500 LEU B 156 78.60 51.93 REMARK 500 SER B 163 135.92 -172.92 REMARK 500 THR B 165 -166.08 -127.19 REMARK 500 GLU B 176 51.08 70.20 REMARK 500 ARG B 178 114.26 -163.24 REMARK 500 PHE B 194 -65.39 159.36 REMARK 500 REMARK 500 THIS ENTRY HAS 160 RAMACHANDRAN OUTLIERS. 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 C1318 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 221 OE1 REMARK 620 2 GLU C 221 OE1 103.1 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 ZN C 1317 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN D 1317 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN C 1318 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2XQA RELATED DB: PDB REMARK 900 PENTAMERIC LIGAND GATED ION CHANNEL GLIC IN COMPLEX WITH REMARK 900 TETRABUTYLANTIMONY (TBSB) REMARK 900 RELATED ID: 2XQ7 RELATED DB: PDB REMARK 900 PENTAMERIC LIGAND GATED ION CHANNEL GLIC IN COMPLEX WITH CADMIUM REMARK 900 ION (CD2+) REMARK 900 RELATED ID: 2XQ9 RELATED DB: PDB REMARK 900 PENTAMERIC LIGAND GATED ION CHANNEL GLIC MUTANT E221A IN COMPLEX REMARK 900 WITH TETRAETHYLARSONIUM (TEAS) REMARK 900 RELATED ID: 2XQ5 RELATED DB: PDB REMARK 900 PENTAMERIC LIGAND GATED ION CHANNEL GLIC IN COMPLEX WITH REMARK 900 TETRAETHYLARSONIUM (TEAS) REMARK 900 RELATED ID: 2XQ3 RELATED DB: PDB REMARK 900 PENTAMERIC LIGAND GATED ION CHANNEL GLIC IN COMPLEX WITH BR- REMARK 900 LIDOCAINE REMARK 900 RELATED ID: 2XQ4 RELATED DB: PDB REMARK 900 PENTAMERIC LIGAND GATED ION CHANNEL GLIC IN COMPLEX WITH REMARK 900 TETRAMETHYLARSONIUM (TMAS) REMARK 900 RELATED ID: 2XQ6 RELATED DB: PDB REMARK 900 PENTAMERIC LIGAND GATED ION CHANNEL GLIC IN COMPLEX WITH CESIUM ION REMARK 900 (CS+) DBREF 2XQ8 A 0 316 UNP Q7NDN8 Q7NDN8_GLOVI 43 359 DBREF 2XQ8 B 0 316 UNP Q7NDN8 Q7NDN8_GLOVI 43 359 DBREF 2XQ8 C 0 316 UNP Q7NDN8 Q7NDN8_GLOVI 43 359 DBREF 2XQ8 D 0 316 UNP Q7NDN8 Q7NDN8_GLOVI 43 359 DBREF 2XQ8 E 0 316 UNP Q7NDN8 Q7NDN8_GLOVI 43 359 SEQRES 1 A 317 GLY GLN ASP MET VAL SER PRO PRO PRO PRO ILE ALA ASP SEQRES 2 A 317 GLU PRO LEU THR VAL ASN THR GLY ILE TYR LEU ILE GLU SEQRES 3 A 317 CYS TYR SER LEU ASP ASP LYS ALA GLU THR PHE LYS VAL SEQRES 4 A 317 ASN ALA PHE LEU SER LEU SER TRP LYS ASP ARG ARG LEU SEQRES 5 A 317 ALA PHE ASP PRO VAL ARG SER GLY VAL ARG VAL LYS THR SEQRES 6 A 317 TYR GLU PRO GLU ALA ILE TRP ILE PRO GLU ILE ARG PHE SEQRES 7 A 317 VAL ASN VAL GLU ASN ALA ARG ASP ALA ASP VAL VAL ASP SEQRES 8 A 317 ILE SER VAL SER PRO ASP GLY THR VAL GLN TYR LEU GLU SEQRES 9 A 317 ARG PHE SER ALA ARG VAL LEU SER PRO LEU ASP PHE ARG SEQRES 10 A 317 ARG TYR PRO PHE ASP SER GLN THR LEU HIS ILE TYR LEU SEQRES 11 A 317 ILE VAL ARG SER VAL ASP THR ARG ASN ILE VAL LEU ALA SEQRES 12 A 317 VAL ASP LEU GLU LYS VAL GLY LYS ASN ASP ASP VAL PHE SEQRES 13 A 317 LEU THR GLY TRP ASP ILE GLU SER PHE THR ALA VAL VAL SEQRES 14 A 317 LYS PRO ALA ASN PHE ALA LEU GLU ASP ARG LEU GLU SER SEQRES 15 A 317 LYS LEU ASP TYR GLN LEU ARG ILE SER ARG GLN TYR PHE SEQRES 16 A 317 SER TYR ILE PRO ASN ILE ILE LEU PRO MET LEU PHE ILE SEQRES 17 A 317 LEU PHE ILE SER TRP THR ALA PHE TRP SER THR SER TYR SEQRES 18 A 317 GLU ALA ASN VAL THR LEU VAL VAL SER THR LEU ILE ALA SEQRES 19 A 317 HIS ILE ALA PHE ASN ILE LEU VAL GLU THR ASN LEU PRO SEQRES 20 A 317 LYS THR PRO TYR MET THR TYR THR GLY ALA ILE ILE PHE SEQRES 21 A 317 MET ILE TYR LEU PHE TYR PHE VAL ALA VAL ILE GLU VAL SEQRES 22 A 317 THR VAL GLN HIS TYR LEU LYS VAL GLU SER GLN PRO ALA SEQRES 23 A 317 ARG ALA ALA SER ILE THR ARG ALA SER ARG ILE ALA PHE SEQRES 24 A 317 PRO VAL VAL PHE LEU LEU ALA ASN ILE ILE LEU ALA PHE SEQRES 25 A 317 LEU PHE PHE GLY PHE SEQRES 1 B 317 GLY GLN ASP MET VAL SER PRO PRO PRO PRO ILE ALA ASP SEQRES 2 B 317 GLU PRO LEU THR VAL ASN THR GLY ILE TYR LEU ILE GLU SEQRES 3 B 317 CYS TYR SER LEU ASP ASP LYS ALA GLU THR PHE LYS VAL SEQRES 4 B 317 ASN ALA PHE LEU SER LEU SER TRP LYS ASP ARG ARG LEU SEQRES 5 B 317 ALA PHE ASP PRO VAL ARG SER GLY VAL ARG VAL LYS THR SEQRES 6 B 317 TYR GLU PRO GLU ALA ILE TRP ILE PRO GLU ILE ARG PHE SEQRES 7 B 317 VAL ASN VAL GLU ASN ALA ARG ASP ALA ASP VAL VAL ASP SEQRES 8 B 317 ILE SER VAL SER PRO ASP GLY THR VAL GLN TYR LEU GLU SEQRES 9 B 317 ARG PHE SER ALA ARG VAL LEU SER PRO LEU ASP PHE ARG SEQRES 10 B 317 ARG TYR PRO PHE ASP SER GLN THR LEU HIS ILE TYR LEU SEQRES 11 B 317 ILE VAL ARG SER VAL ASP THR ARG ASN ILE VAL LEU ALA SEQRES 12 B 317 VAL ASP LEU GLU LYS VAL GLY LYS ASN ASP ASP VAL PHE SEQRES 13 B 317 LEU THR GLY TRP ASP ILE GLU SER PHE THR ALA VAL VAL SEQRES 14 B 317 LYS PRO ALA ASN PHE ALA LEU GLU ASP ARG LEU GLU SER SEQRES 15 B 317 LYS LEU ASP TYR GLN LEU ARG ILE SER ARG GLN TYR PHE SEQRES 16 B 317 SER TYR ILE PRO ASN ILE ILE LEU PRO MET LEU PHE ILE SEQRES 17 B 317 LEU PHE ILE SER TRP THR ALA PHE TRP SER THR SER TYR SEQRES 18 B 317 GLU ALA ASN VAL THR LEU VAL VAL SER THR LEU ILE ALA SEQRES 19 B 317 HIS ILE ALA PHE ASN ILE LEU VAL GLU THR ASN LEU PRO SEQRES 20 B 317 LYS THR PRO TYR MET THR TYR THR GLY ALA ILE ILE PHE SEQRES 21 B 317 MET ILE TYR LEU PHE TYR PHE VAL ALA VAL ILE GLU VAL SEQRES 22 B 317 THR VAL GLN HIS TYR LEU LYS VAL GLU SER GLN PRO ALA SEQRES 23 B 317 ARG ALA ALA SER ILE THR ARG ALA SER ARG ILE ALA PHE SEQRES 24 B 317 PRO VAL VAL PHE LEU LEU ALA ASN ILE ILE LEU ALA PHE SEQRES 25 B 317 LEU PHE PHE GLY PHE SEQRES 1 C 317 GLY GLN ASP MET VAL SER PRO PRO PRO PRO ILE ALA ASP SEQRES 2 C 317 GLU PRO LEU THR VAL ASN THR GLY ILE TYR LEU ILE GLU SEQRES 3 C 317 CYS TYR SER LEU ASP ASP LYS ALA GLU THR PHE LYS VAL SEQRES 4 C 317 ASN ALA PHE LEU SER LEU SER TRP LYS ASP ARG ARG LEU SEQRES 5 C 317 ALA PHE ASP PRO VAL ARG SER GLY VAL ARG VAL LYS THR SEQRES 6 C 317 TYR GLU PRO GLU ALA ILE TRP ILE PRO GLU ILE ARG PHE SEQRES 7 C 317 VAL ASN VAL GLU ASN ALA ARG ASP ALA ASP VAL VAL ASP SEQRES 8 C 317 ILE SER VAL SER PRO ASP GLY THR VAL GLN TYR LEU GLU SEQRES 9 C 317 ARG PHE SER ALA ARG VAL LEU SER PRO LEU ASP PHE ARG SEQRES 10 C 317 ARG TYR PRO PHE ASP SER GLN THR LEU HIS ILE TYR LEU SEQRES 11 C 317 ILE VAL ARG SER VAL ASP THR ARG ASN ILE VAL LEU ALA SEQRES 12 C 317 VAL ASP LEU GLU LYS VAL GLY LYS ASN ASP ASP VAL PHE SEQRES 13 C 317 LEU THR GLY TRP ASP ILE GLU SER PHE THR ALA VAL VAL SEQRES 14 C 317 LYS PRO ALA ASN PHE ALA LEU GLU ASP ARG LEU GLU SER SEQRES 15 C 317 LYS LEU ASP TYR GLN LEU ARG ILE SER ARG GLN TYR PHE SEQRES 16 C 317 SER TYR ILE PRO ASN ILE ILE LEU PRO MET LEU PHE ILE SEQRES 17 C 317 LEU PHE ILE SER TRP THR ALA PHE TRP SER THR SER TYR SEQRES 18 C 317 GLU ALA ASN VAL THR LEU VAL VAL SER THR LEU ILE ALA SEQRES 19 C 317 HIS ILE ALA PHE ASN ILE LEU VAL GLU THR ASN LEU PRO SEQRES 20 C 317 LYS THR PRO TYR MET THR TYR THR GLY ALA ILE ILE PHE SEQRES 21 C 317 MET ILE TYR LEU PHE TYR PHE VAL ALA VAL ILE GLU VAL SEQRES 22 C 317 THR VAL GLN HIS TYR LEU LYS VAL GLU SER GLN PRO ALA SEQRES 23 C 317 ARG ALA ALA SER ILE THR ARG ALA SER ARG ILE ALA PHE SEQRES 24 C 317 PRO VAL VAL PHE LEU LEU ALA ASN ILE ILE LEU ALA PHE SEQRES 25 C 317 LEU PHE PHE GLY PHE SEQRES 1 D 317 GLY GLN ASP MET VAL SER PRO PRO PRO PRO ILE ALA ASP SEQRES 2 D 317 GLU PRO LEU THR VAL ASN THR GLY ILE TYR LEU ILE GLU SEQRES 3 D 317 CYS TYR SER LEU ASP ASP LYS ALA GLU THR PHE LYS VAL SEQRES 4 D 317 ASN ALA PHE LEU SER LEU SER TRP LYS ASP ARG ARG LEU SEQRES 5 D 317 ALA PHE ASP PRO VAL ARG SER GLY VAL ARG VAL LYS THR SEQRES 6 D 317 TYR GLU PRO GLU ALA ILE TRP ILE PRO GLU ILE ARG PHE SEQRES 7 D 317 VAL ASN VAL GLU ASN ALA ARG ASP ALA ASP VAL VAL ASP SEQRES 8 D 317 ILE SER VAL SER PRO ASP GLY THR VAL GLN TYR LEU GLU SEQRES 9 D 317 ARG PHE SER ALA ARG VAL LEU SER PRO LEU ASP PHE ARG SEQRES 10 D 317 ARG TYR PRO PHE ASP SER GLN THR LEU HIS ILE TYR LEU SEQRES 11 D 317 ILE VAL ARG SER VAL ASP THR ARG ASN ILE VAL LEU ALA SEQRES 12 D 317 VAL ASP LEU GLU LYS VAL GLY LYS ASN ASP ASP VAL PHE SEQRES 13 D 317 LEU THR GLY TRP ASP ILE GLU SER PHE THR ALA VAL VAL SEQRES 14 D 317 LYS PRO ALA ASN PHE ALA LEU GLU ASP ARG LEU GLU SER SEQRES 15 D 317 LYS LEU ASP TYR GLN LEU ARG ILE SER ARG GLN TYR PHE SEQRES 16 D 317 SER TYR ILE PRO ASN ILE ILE LEU PRO MET LEU PHE ILE SEQRES 17 D 317 LEU PHE ILE SER TRP THR ALA PHE TRP SER THR SER TYR SEQRES 18 D 317 GLU ALA ASN VAL THR LEU VAL VAL SER THR LEU ILE ALA SEQRES 19 D 317 HIS ILE ALA PHE ASN ILE LEU VAL GLU THR ASN LEU PRO SEQRES 20 D 317 LYS THR PRO TYR MET THR TYR THR GLY ALA ILE ILE PHE SEQRES 21 D 317 MET ILE TYR LEU PHE TYR PHE VAL ALA VAL ILE GLU VAL SEQRES 22 D 317 THR VAL GLN HIS TYR LEU LYS VAL GLU SER GLN PRO ALA SEQRES 23 D 317 ARG ALA ALA SER ILE THR ARG ALA SER ARG ILE ALA PHE SEQRES 24 D 317 PRO VAL VAL PHE LEU LEU ALA ASN ILE ILE LEU ALA PHE SEQRES 25 D 317 LEU PHE PHE GLY PHE SEQRES 1 E 317 GLY GLN ASP MET VAL SER PRO PRO PRO PRO ILE ALA ASP SEQRES 2 E 317 GLU PRO LEU THR VAL ASN THR GLY ILE TYR LEU ILE GLU SEQRES 3 E 317 CYS TYR SER LEU ASP ASP LYS ALA GLU THR PHE LYS VAL SEQRES 4 E 317 ASN ALA PHE LEU SER LEU SER TRP LYS ASP ARG ARG LEU SEQRES 5 E 317 ALA PHE ASP PRO VAL ARG SER GLY VAL ARG VAL LYS THR SEQRES 6 E 317 TYR GLU PRO GLU ALA ILE TRP ILE PRO GLU ILE ARG PHE SEQRES 7 E 317 VAL ASN VAL GLU ASN ALA ARG ASP ALA ASP VAL VAL ASP SEQRES 8 E 317 ILE SER VAL SER PRO ASP GLY THR VAL GLN TYR LEU GLU SEQRES 9 E 317 ARG PHE SER ALA ARG VAL LEU SER PRO LEU ASP PHE ARG SEQRES 10 E 317 ARG TYR PRO PHE ASP SER GLN THR LEU HIS ILE TYR LEU SEQRES 11 E 317 ILE VAL ARG SER VAL ASP THR ARG ASN ILE VAL LEU ALA SEQRES 12 E 317 VAL ASP LEU GLU LYS VAL GLY LYS ASN ASP ASP VAL PHE SEQRES 13 E 317 LEU THR GLY TRP ASP ILE GLU SER PHE THR ALA VAL VAL SEQRES 14 E 317 LYS PRO ALA ASN PHE ALA LEU GLU ASP ARG LEU GLU SER SEQRES 15 E 317 LYS LEU ASP TYR GLN LEU ARG ILE SER ARG GLN TYR PHE SEQRES 16 E 317 SER TYR ILE PRO ASN ILE ILE LEU PRO MET LEU PHE ILE SEQRES 17 E 317 LEU PHE ILE SER TRP THR ALA PHE TRP SER THR SER TYR SEQRES 18 E 317 GLU ALA ASN VAL THR LEU VAL VAL SER THR LEU ILE ALA SEQRES 19 E 317 HIS ILE ALA PHE ASN ILE LEU VAL GLU THR ASN LEU PRO SEQRES 20 E 317 LYS THR PRO TYR MET THR TYR THR GLY ALA ILE ILE PHE SEQRES 21 E 317 MET ILE TYR LEU PHE TYR PHE VAL ALA VAL ILE GLU VAL SEQRES 22 E 317 THR VAL GLN HIS TYR LEU LYS VAL GLU SER GLN PRO ALA SEQRES 23 E 317 ARG ALA ALA SER ILE THR ARG ALA SER ARG ILE ALA PHE SEQRES 24 E 317 PRO VAL VAL PHE LEU LEU ALA ASN ILE ILE LEU ALA PHE SEQRES 25 E 317 LEU PHE PHE GLY PHE HET ZN C1317 1 HET ZN C1318 1 HET ZN D1317 1 HETNAM ZN ZINC ION FORMUL 6 ZN 3(ZN 2+) HELIX 1 1 ARG A 49 ALA A 52 5 4 HELIX 2 2 ASP A 114 PHE A 120 5 7 HELIX 3 3 ILE A 200 TRP A 212 1 13 HELIX 4 4 THR A 213 TRP A 216 5 4 HELIX 5 5 TYR A 220 ASN A 244 1 25 HELIX 6 6 THR A 252 GLN A 275 1 24 HELIX 7 7 GLN A 283 GLY A 315 1 33 HELIX 8 8 ARG B 49 ALA B 52 5 4 HELIX 9 9 ASP B 114 PHE B 120 5 7 HELIX 10 10 ILE B 200 TRP B 212 1 13 HELIX 11 11 THR B 213 TRP B 216 5 4 HELIX 12 12 TYR B 220 ASN B 244 1 25 HELIX 13 13 THR B 252 GLN B 275 1 24 HELIX 14 14 GLN B 283 GLY B 315 1 33 HELIX 15 15 ARG C 49 ALA C 52 5 4 HELIX 16 16 ASP C 114 PHE C 120 5 7 HELIX 17 17 ILE C 200 TRP C 212 1 13 HELIX 18 18 THR C 213 TRP C 216 5 4 HELIX 19 19 TYR C 220 ASN C 244 1 25 HELIX 20 20 THR C 252 GLN C 275 1 24 HELIX 21 21 GLN C 283 GLY C 315 1 33 HELIX 22 22 ARG D 49 ALA D 52 5 4 HELIX 23 23 ASP D 114 PHE D 120 5 7 HELIX 24 24 ILE D 200 TRP D 212 1 13 HELIX 25 25 THR D 213 TRP D 216 5 4 HELIX 26 26 TYR D 220 ASN D 244 1 25 HELIX 27 27 THR D 252 GLN D 275 1 24 HELIX 28 28 GLN D 283 GLY D 315 1 33 HELIX 29 29 ARG E 49 ALA E 52 5 4 HELIX 30 30 ASP E 114 PHE E 120 5 7 HELIX 31 31 ILE E 200 TRP E 212 1 13 HELIX 32 32 THR E 213 TRP E 216 5 4 HELIX 33 33 TYR E 220 ASN E 244 1 25 HELIX 34 34 THR E 252 GLN E 275 1 24 HELIX 35 35 GLN E 283 GLY E 315 1 33 SHEET 1 AA 6 LYS A 63 THR A 64 0 SHEET 2 AA 6 ASP A 87 VAL A 93 -1 O VAL A 93 N LYS A 63 SHEET 3 AA 6 THR A 98 VAL A 109 -1 O GLN A 100 N SER A 92 SHEET 4 AA 6 THR A 35 LYS A 47 -1 O PHE A 36 N VAL A 109 SHEET 5 AA 6 LEU A 15 ASP A 30 -1 N ASN A 18 O SER A 45 SHEET 6 AA 6 ASN A 138 ALA A 142 1 O ILE A 139 N VAL A 17 SHEET 1 AB 3 SER A 122 ILE A 127 0 SHEET 2 AB 3 LEU A 179 ARG A 191 -1 O TYR A 185 N ILE A 127 SHEET 3 AB 3 TRP A 159 ALA A 174 -1 O ASP A 160 N SER A 190 SHEET 1 BA 6 LYS B 63 THR B 64 0 SHEET 2 BA 6 ASP B 87 VAL B 93 -1 O VAL B 93 N LYS B 63 SHEET 3 BA 6 THR B 98 VAL B 109 -1 O GLN B 100 N SER B 92 SHEET 4 BA 6 THR B 35 LYS B 47 -1 O PHE B 36 N VAL B 109 SHEET 5 BA 6 LEU B 15 ASP B 30 -1 N ASN B 18 O SER B 45 SHEET 6 BA 6 ASN B 138 ALA B 142 1 O ILE B 139 N VAL B 17 SHEET 1 BB 3 SER B 122 ILE B 127 0 SHEET 2 BB 3 LEU B 179 ARG B 191 -1 O TYR B 185 N ILE B 127 SHEET 3 BB 3 TRP B 159 ALA B 174 -1 O ASP B 160 N SER B 190 SHEET 1 CA 6 LYS C 63 THR C 64 0 SHEET 2 CA 6 ASP C 87 VAL C 93 -1 O VAL C 93 N LYS C 63 SHEET 3 CA 6 THR C 98 VAL C 109 -1 O GLN C 100 N SER C 92 SHEET 4 CA 6 THR C 35 LYS C 47 -1 O PHE C 36 N VAL C 109 SHEET 5 CA 6 LEU C 15 ASP C 30 -1 N ASN C 18 O SER C 45 SHEET 6 CA 6 ASN C 138 ALA C 142 1 O ILE C 139 N VAL C 17 SHEET 1 CB 3 SER C 122 ILE C 127 0 SHEET 2 CB 3 TYR C 185 ARG C 191 -1 O TYR C 185 N ILE C 127 SHEET 3 CB 3 TRP C 159 ALA C 166 -1 O ASP C 160 N SER C 190 SHEET 1 CC 2 ALA C 171 ALA C 174 0 SHEET 2 CC 2 LEU C 179 LYS C 182 -1 O GLU C 180 N PHE C 173 SHEET 1 DA 6 LYS D 63 THR D 64 0 SHEET 2 DA 6 ASP D 87 VAL D 93 -1 O VAL D 93 N LYS D 63 SHEET 3 DA 6 THR D 98 VAL D 109 -1 O GLN D 100 N SER D 92 SHEET 4 DA 6 THR D 35 LYS D 47 -1 O PHE D 36 N VAL D 109 SHEET 5 DA 6 LEU D 15 ASP D 30 -1 N ASN D 18 O SER D 45 SHEET 6 DA 6 ASN D 138 ALA D 142 1 O ILE D 139 N VAL D 17 SHEET 1 DB 3 SER D 122 ILE D 127 0 SHEET 2 DB 3 LEU D 179 ARG D 191 -1 O TYR D 185 N ILE D 127 SHEET 3 DB 3 TRP D 159 ALA D 174 -1 O ASP D 160 N SER D 190 SHEET 1 EA 6 LYS E 63 THR E 64 0 SHEET 2 EA 6 ASP E 87 VAL E 93 -1 O VAL E 93 N LYS E 63 SHEET 3 EA 6 THR E 98 VAL E 109 -1 O GLN E 100 N SER E 92 SHEET 4 EA 6 THR E 35 LYS E 47 -1 O PHE E 36 N VAL E 109 SHEET 5 EA 6 LEU E 15 ASP E 30 -1 N ASN E 18 O SER E 45 SHEET 6 EA 6 ASN E 138 ALA E 142 1 O ILE E 139 N VAL E 17 SHEET 1 EB 3 SER E 122 ILE E 127 0 SHEET 2 EB 3 TYR E 185 ARG E 191 -1 O TYR E 185 N ILE E 127 SHEET 3 EB 3 TRP E 159 ALA E 166 -1 O ASP E 160 N SER E 190 SHEET 1 EC 2 ALA E 171 ALA E 174 0 SHEET 2 EC 2 LEU E 179 LYS E 182 -1 O GLU E 180 N PHE E 173 LINK OE1BGLU A 221 ZN ZN C1318 1555 1555 2.52 LINK OE1BGLU C 221 ZN ZN C1318 1555 1555 2.51 SITE 1 AC1 2 ASP A 177 ASP C 177 SITE 1 AC2 3 VAL D 56 ARG D 57 PRO D 95 SITE 1 AC3 4 GLU A 221 GLU B 221 GLU C 221 GLU E 221 CRYST1 183.314 128.310 164.374 90.00 104.04 90.00 C 1 2 1 20 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 0.005455 0.000000 0.001364 0.00000 SCALE2 0.000000 0.007794 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006271 0.00000