HEADER SIGNALING PROTEIN 14-JUL-00 1FB8 TITLE STRUCTURE OF THE PLECKSTRIN HOMOLOGY DOMAIN FROM DAPP1/PHISH COMPND MOL_ID: 1; COMPND 2 MOLECULE: DUAL ADAPTOR OF PHOSPHOTYROSINE AND 3-PHOSPHOINOSITIDES; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: PLECKSTRIN HOMOLOGY DOMAIN; COMPND 5 SYNONYM: DAPP1, PHISH, BAM32; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET11A KEYWDS PLECKSTRIN, 3-PHOSPHOINOSITIDES, INOSITOL TETRAKISPHOSPHATE SIGNAL KEYWDS 2 TRANSDUCTION PROTEIN, ADAPTOR PROTEIN, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR K.M.FERGUSON,J.M.KAVRAN,V.G.SANKARAN,E.FOURNIER,S.J.ISAKOFF, AUTHOR 2 E.Y.SKOLNIK,M.A.LEMMON REVDAT 5 16-OCT-24 1FB8 1 REMARK REVDAT 4 13-JUL-11 1FB8 1 VERSN REVDAT 3 24-FEB-09 1FB8 1 VERSN REVDAT 2 29-NOV-00 1FB8 1 JRNL REVDAT 1 20-JUL-00 1FB8 0 JRNL AUTH K.M.FERGUSON,J.M.KAVRAN,V.G.SANKARAN,E.FOURNIER,S.J.ISAKOFF, JRNL AUTH 2 E.Y.SKOLNIK,M.A.LEMMON JRNL TITL STRUCTURAL BASIS FOR DISCRIMINATION OF 3-PHOSPHOINOSITIDES JRNL TITL 2 BY PLECKSTRIN HOMOLOGY DOMAINS. JRNL REF MOL.CELL V. 6 373 2000 JRNL REFN ISSN 1097-2765 JRNL PMID 10983984 JRNL DOI 10.1016/S1097-2765(00)00037-X REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.9 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 708822.740 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 93.9 REMARK 3 NUMBER OF REFLECTIONS : 4973 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) : 0.223 REMARK 3 FREE R VALUE : 0.272 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 14.900 REMARK 3 FREE R VALUE TEST SET COUNT : 740 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.010 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.55 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 84.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 615 REMARK 3 BIN R VALUE (WORKING SET) : 0.2710 REMARK 3 BIN FREE R VALUE : 0.3210 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 14.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 102 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.032 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 879 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 28 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 43.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 43.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.21000 REMARK 3 B22 (A**2) : 0.21000 REMARK 3 B33 (A**2) : -0.42000 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) : 0.30 REMARK 3 ESD FROM SIGMAA (A) : 0.27 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) : 0.38 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.32 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.240 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.680 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.280 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.440 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.860 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.010 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.38 REMARK 3 BSOL : 42.75 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1FB8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-JUL-00. REMARK 100 THE DEPOSITION ID IS D_1000011453. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-FEB-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRANDEIS - B4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 4973 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.0 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.05000 REMARK 200 R SYM (I) : 0.04000 REMARK 200 FOR THE DATA SET : 21.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 84.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.14000 REMARK 200 R SYM FOR SHELL (I) : 0.14000 REMARK 200 FOR SHELL : 5.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: MLPHARE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3450, ETHYLENE GLYCOL, AMMONIUM REMARK 280 PHOSPHATE, SODIUM PHOSPHATE, PH 7.0, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 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 -Y,X,Z REMARK 290 4555 Y,-X,Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -Y+1/2,X+1/2,Z+1/2 REMARK 290 8555 Y+1/2,-X+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 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 41.69000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 41.69000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 19.26000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 41.69000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 41.69000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 19.26000 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 41.69000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 41.69000 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 19.26000 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 41.69000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 41.69000 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 19.26000 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A MONOMER 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: MONOMERIC 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 6780 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23670 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -84.0 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT2 3 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 4 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 MET A 148 REMARK 465 GLN A 149 REMARK 465 THR A 150 REMARK 465 GLY A 151 REMARK 465 ARG A 152 REMARK 465 THR A 153 REMARK 465 GLU A 154 REMARK 465 ASP A 155 REMARK 465 ASP A 156 REMARK 465 LYS A 263 REMARK 465 GLN A 264 REMARK 465 LEU A 265 REMARK 465 ASN A 266 REMARK 465 GLN A 267 REMARK 465 GLY A 268 REMARK 465 GLU A 269 REMARK 465 GLY A 270 REMARK 465 THR A 271 REMARK 465 ILE A 272 REMARK 465 ARG A 273 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 179 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 THR A 160 -94.35 -150.08 REMARK 500 SER A 163 35.05 -85.44 REMARK 500 LEU A 164 113.63 61.20 REMARK 500 LYS A 179 42.49 -74.79 REMARK 500 ARG A 190 -122.03 62.58 REMARK 500 ARG A 235 142.63 -177.82 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 PO4 A 31 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 32 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FAO RELATED DB: PDB REMARK 900 STRUCTURE OF THE PLECKSTRIN HOMOLOGY DOMAIN FROM DAPP1/PHISH IN REMARK 900 COMPLEX WITH INOSITOL 1,3,4,5- TETRAKISPHOSPHATE DBREF 1FB8 A 148 273 UNP Q9UN19 DAPP1_HUMAN 148 273 SEQRES 1 A 126 MET GLN THR GLY ARG THR GLU ASP ASP LEU VAL PRO THR SEQRES 2 A 126 ALA PRO SER LEU GLY THR LYS GLU GLY TYR LEU THR LYS SEQRES 3 A 126 GLN GLY GLY LEU VAL LYS THR TRP LYS THR ARG TRP PHE SEQRES 4 A 126 THR LEU HIS ARG ASN GLU LEU LYS TYR PHE LYS ASP GLN SEQRES 5 A 126 MET SER PRO GLU PRO ILE ARG ILE LEU ASP LEU THR GLU SEQRES 6 A 126 CYS SER ALA VAL GLN PHE ASP TYR SER GLN GLU ARG VAL SEQRES 7 A 126 ASN CYS PHE CYS LEU VAL PHE PRO PHE ARG THR PHE TYR SEQRES 8 A 126 LEU CYS ALA LYS THR GLY VAL GLU ALA ASP GLU TRP ILE SEQRES 9 A 126 LYS ILE LEU ARG TRP LYS LEU SER GLN ILE ARG LYS GLN SEQRES 10 A 126 LEU ASN GLN GLY GLU GLY THR ILE ARG HET PO4 A 31 5 HET PO4 A 32 5 HETNAM PO4 PHOSPHATE ION FORMUL 2 PO4 2(O4 P 3-) FORMUL 4 HOH *28(H2 O) HELIX 1 1 THR A 211 CYS A 213 5 3 HELIX 2 2 THR A 243 ARG A 262 1 20 SHEET 1 A 7 ARG A 206 ASP A 209 0 SHEET 2 A 7 GLU A 192 PHE A 196 -1 O LEU A 193 N LEU A 208 SHEET 3 A 7 TRP A 181 HIS A 189 -1 O TRP A 185 N PHE A 196 SHEET 4 A 7 LYS A 167 GLN A 174 -1 O LYS A 167 N LEU A 188 SHEET 5 A 7 ARG A 235 ALA A 241 -1 O TYR A 238 N GLN A 174 SHEET 6 A 7 ASN A 226 PHE A 232 -1 O ASN A 226 N ALA A 241 SHEET 7 A 7 ALA A 215 PHE A 218 -1 O ALA A 215 N VAL A 231 SSBOND 1 CYS A 227 CYS A 240 1555 1555 2.03 SITE 1 AC1 7 PO4 A 32 LYS A 173 LYS A 182 THR A 183 SITE 2 AC1 7 ARG A 184 ILE A 205 LYS A 242 SITE 1 AC2 9 HOH A 19 PO4 A 31 LYS A 173 GLY A 175 SITE 2 AC2 9 GLY A 176 TYR A 195 ARG A 206 ARG A 235 SITE 3 AC2 9 LYS A 242 CRYST1 83.380 83.380 38.520 90.00 90.00 90.00 I 4 8 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 0.011993 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011993 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025961 0.00000