PDB Short entry for 1AF4 HEADER SERINE PROTEASE 21-MAR-97 1AF4 TITLE CRYSTAL STRUCTURE OF SUBTILISIN CARLSBERG IN ANHYDROUS DIOXANE COMPND MOL_ID: 1; COMPND 2 MOLECULE: SUBTILISIN CARLSBERG; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.62 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS LICHENIFORMIS; SOURCE 3 ORGANISM_TAXID: 1402 KEYWDS SERINE PROTEASE, ORGANIC SOLVENT EXPDTA X-RAY DIFFRACTION AUTHOR J.L.SCHMITKE,L.J.STERN,A.M.KLIBANOV REVDAT 4 02-AUG-23 1AF4 1 REMARK SEQADV LINK REVDAT 3 29-NOV-17 1AF4 1 REMARK HELIX REVDAT 2 24-FEB-09 1AF4 1 VERSN REVDAT 1 16-JUN-97 1AF4 0 JRNL AUTH J.L.SCHMITKE,L.J.STERN,A.M.KLIBANOV JRNL TITL THE CRYSTAL STRUCTURE OF SUBTILISIN CARLSBERG IN ANHYDROUS JRNL TITL 2 DIOXANE AND ITS COMPARISON WITH THOSE IN WATER AND JRNL TITL 3 ACETONITRILE. JRNL REF PROC.NATL.ACAD.SCI.USA V. 94 4250 1997 JRNL REFN ISSN 0027-8424 JRNL PMID 9113975 JRNL DOI 10.1073/PNAS.94.9.4250 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 6307 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.161 REMARK 3 FREE R VALUE : 0.248 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.011 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.70 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 690 REMARK 3 BIN R VALUE (WORKING SET) : 0.1900 REMARK 3 BIN FREE R VALUE : 0.2940 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 8.85 REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.036 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1920 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 43 REMARK 3 SOLVENT ATOMS : 65 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 13.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.30 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.680 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.150 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) : 1.480 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.120 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.390 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 1.070 ; 2.500 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : DIO.PAR REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : DIO.TOP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ALSO USED REFMAC BEFORE BUILDING IN THE REMARK 3 DIOXANES REMARK 4 REMARK 4 1AF4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000170738. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-MAR-96 REMARK 200 TEMPERATURE (KELVIN) : 296 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7111 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 14.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 5.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.14000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 6.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.70 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.20 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.38000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: PDB ENTRY 1SBC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 13% REMARK 280 SODIUM SULFATE, 30 MM CACODYLATE, PH 5.6; THEN CROSS-LINKED WITH REMARK 280 10% GLUTARALDEHYDE IN 13% SODIUM SULFATE, 30 MM CACODYLATE, PH REMARK 280 7.5, WASHED WITH DISTILLED WATER, AND TRANSFERRED TO ANHYDROUS REMARK 280 DIOXANE. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 38.50000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 26.92500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 27.60000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 26.92500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 38.50000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 27.60000 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: 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 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 SER A 159 REMARK 475 GLY A 160 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 PRO A 210 CA - C - N ANGL. DEV. = -20.5 DEGREES REMARK 500 PRO A 210 O - C - N ANGL. DEV. = 22.4 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 25 -8.88 84.25 REMARK 500 ASP A 32 -144.64 -154.19 REMARK 500 ASN A 77 -149.36 -154.78 REMARK 500 SER A 132 142.53 -179.81 REMARK 500 ASN A 155 50.95 -119.73 REMARK 500 SER A 161 20.63 155.48 REMARK 500 THR A 162 38.82 -94.17 REMARK 500 ASN A 163 97.70 25.01 REMARK 500 GLU A 197 -63.49 -97.59 REMARK 500 THR A 211 66.69 71.58 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 CA A 276 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 2 OE1 REMARK 620 2 ASP A 41 OD1 156.0 REMARK 620 3 ASP A 41 OD2 159.3 43.7 REMARK 620 4 LEU A 75 O 86.2 92.8 102.5 REMARK 620 5 ASN A 77 ND2 75.5 80.5 122.3 91.9 REMARK 620 6 THR A 79 O 99.8 72.3 80.1 155.9 67.5 REMARK 620 7 VAL A 81 O 97.3 106.7 63.7 94.3 170.2 107.9 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 276 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO A 342 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO A 343 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO A 344 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO A 345 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO A 346 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO A 347 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DIO A 348 DBREF 1AF4 A 1 275 UNP P00780 SUBT_BACLI 106 379 SEQADV 1AF4 SER A 103 UNP P00780 THR 207 CONFLICT SEQADV 1AF4 ALA A 129 UNP P00780 PRO 233 CONFLICT SEQADV 1AF4 ASN A 158 UNP P00780 SER 262 CONFLICT SEQADV 1AF4 SER A 161 UNP P00780 ASN 265 CONFLICT SEQADV 1AF4 ASN A 212 UNP P00780 SER 316 CONFLICT SEQRES 1 A 274 ALA GLN THR VAL PRO TYR GLY ILE PRO LEU ILE LYS ALA SEQRES 2 A 274 ASP LYS VAL GLN ALA GLN GLY PHE LYS GLY ALA ASN VAL SEQRES 3 A 274 LYS VAL ALA VAL LEU ASP THR GLY ILE GLN ALA SER HIS SEQRES 4 A 274 PRO ASP LEU ASN VAL VAL GLY GLY ALA SER PHE VAL ALA SEQRES 5 A 274 GLY GLU ALA TYR ASN THR ASP GLY ASN GLY HIS GLY THR SEQRES 6 A 274 HIS VAL ALA GLY THR VAL ALA ALA LEU ASP ASN THR THR SEQRES 7 A 274 GLY VAL LEU GLY VAL ALA PRO SER VAL SER LEU TYR ALA SEQRES 8 A 274 VAL LYS VAL LEU ASN SER SER GLY SER GLY SER TYR SER SEQRES 9 A 274 GLY ILE VAL SER GLY ILE GLU TRP ALA THR THR ASN GLY SEQRES 10 A 274 MET ASP VAL ILE ASN MET SER LEU GLY GLY ALA SER GLY SEQRES 11 A 274 SER THR ALA MET LYS GLN ALA VAL ASP ASN ALA TYR ALA SEQRES 12 A 274 ARG GLY VAL VAL VAL VAL ALA ALA ALA GLY ASN SER GLY SEQRES 13 A 274 ASN SER GLY SER THR ASN THR ILE GLY TYR PRO ALA LYS SEQRES 14 A 274 TYR ASP SER VAL ILE ALA VAL GLY ALA VAL ASP SER ASN SEQRES 15 A 274 SER ASN ARG ALA SER PHE SER SER VAL GLY ALA GLU LEU SEQRES 16 A 274 GLU VAL MET ALA PRO GLY ALA GLY VAL TYR SER THR TYR SEQRES 17 A 274 PRO THR ASN THR TYR ALA THR LEU ASN GLY THR SER MET SEQRES 18 A 274 ALA SER PRO HIS VAL ALA GLY ALA ALA ALA LEU ILE LEU SEQRES 19 A 274 SER LYS HIS PRO ASN LEU SER ALA SER GLN VAL ARG ASN SEQRES 20 A 274 ARG LEU SER SER THR ALA THR TYR LEU GLY SER SER PHE SEQRES 21 A 274 TYR TYR GLY LYS GLY LEU ILE ASN VAL GLU ALA ALA ALA SEQRES 22 A 274 GLN HET CA A 276 1 HET DIO A 342 6 HET DIO A 343 6 HET DIO A 344 6 HET DIO A 345 6 HET DIO A 346 6 HET DIO A 347 6 HET DIO A 348 6 HETNAM CA CALCIUM ION HETNAM DIO 1,4-DIETHYLENE DIOXIDE FORMUL 2 CA CA 2+ FORMUL 3 DIO 7(C4 H8 O2) FORMUL 10 HOH *65(H2 O) HELIX 1 1 TYR A 6 LEU A 10 1 5 HELIX 2 2 ALA A 13 GLN A 19 1 7 HELIX 3 3 HIS A 64 ALA A 73 1 10 HELIX 4 4 TYR A 104 THR A 116 1 13 HELIX 5 5 THR A 133 ARG A 145 1 13 HELIX 6 6 THR A 220 LYS A 237 1 18 HELIX 7 7 ALA A 243 SER A 252 1 10 HELIX 8 8 SER A 260 TYR A 263 1 4 HELIX 9 9 VAL A 270 ALA A 273 1 4 SHEET 1 A 7 VAL A 198 PRO A 201 0 SHEET 2 A 7 VAL A 174 VAL A 180 1 N GLY A 178 O VAL A 198 SHEET 3 A 7 VAL A 148 ALA A 152 1 N VAL A 149 O ILE A 175 SHEET 4 A 7 VAL A 121 MET A 124 1 N ILE A 122 O VAL A 148 SHEET 5 A 7 LYS A 27 ASP A 32 1 N ALA A 29 O VAL A 121 SHEET 6 A 7 SER A 89 LYS A 94 1 N SER A 89 O VAL A 28 SHEET 7 A 7 VAL A 44 SER A 49 1 N VAL A 45 O LEU A 90 SHEET 1 B 2 VAL A 205 TYR A 209 0 SHEET 2 B 2 THR A 213 LEU A 217 -1 N LEU A 217 O VAL A 205 LINK OE1 GLN A 2 CA CA A 276 1555 1555 2.40 LINK OD1 ASP A 41 CA CA A 276 1555 1555 2.61 LINK OD2 ASP A 41 CA CA A 276 1555 1555 3.08 LINK O LEU A 75 CA CA A 276 1555 1555 2.27 LINK ND2 ASN A 77 CA CA A 276 1555 1555 2.57 LINK O THR A 79 CA CA A 276 1555 1555 2.46 LINK O VAL A 81 CA CA A 276 1555 1555 2.37 CISPEP 1 TYR A 167 PRO A 168 0 0.96 SITE 1 ACT 3 ASP A 32 HIS A 64 SER A 221 SITE 1 AC1 6 GLN A 2 ASP A 41 LEU A 75 ASN A 77 SITE 2 AC1 6 THR A 79 VAL A 81 SITE 1 AC2 6 ASN A 25 LYS A 136 ASP A 140 TYR A 171 SITE 2 AC2 6 ASP A 172 SER A 173 SITE 1 AC3 8 PRO A 5 TYR A 6 GLY A 53 GLY A 204 SITE 2 AC3 8 VAL A 205 TYR A 206 TYR A 256 HOH A 280 SITE 1 AC4 7 PHE A 50 SER A 109 GLU A 112 PRO A 210 SITE 2 AC4 7 THR A 211 THR A 213 HOH A 338 SITE 1 AC5 4 ALA A 52 GLY A 53 TYR A 256 HOH A 331 SITE 1 AC6 5 ASN A 62 HIS A 64 TYR A 209 LEU A 217 SITE 2 AC6 5 DIO A 347 SITE 1 AC7 5 ASN A 62 HIS A 64 GLY A 100 HOH A 334 SITE 2 AC7 5 DIO A 346 SITE 1 AC8 3 ALA A 1 SER A 184 THR A 255 CRYST1 77.000 55.200 53.850 90.00 90.00 90.00 P 21 21 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 0.012987 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018116 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018570 0.00000