HEADER HYDROLASE 29-SEP-15 5E13 TITLE CRYSTAL STRUCTURE OF EOSINOPHIL-DERIVED NEUROTOXIN IN COMPLEX WITH THE TITLE 2 TRIAZOLE DOUBLE-HEADED RIBONUCLEOSIDE 11C COMPND MOL_ID: 1; COMPND 2 MOLECULE: NON-SECRETORY RIBONUCLEASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: EOSINOPHIL-DERIVED NEUROTOXIN,RNASE UPI-2,RIBONUCLEASE 2, COMPND 5 RNASE 2,RIBONUCLEASE US; COMPND 6 EC: 3.1.27.5; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: RNASE2, EDN, RNS2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI B; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 37762; SOURCE 8 EXPRESSION_SYSTEM_VARIANT: B834 KEYWDS HYDROLASE, NUCLEASE EXPDTA X-RAY DIFFRACTION AUTHOR D.S.M.CHATZILEONTIADOU,G.A.STRAVODIMOS,A.L.KANTSADI,D.D.LEONIDAS REVDAT 4 10-JAN-24 5E13 1 REMARK REVDAT 3 17-JAN-18 5E13 1 REMARK REVDAT 2 25-NOV-15 5E13 1 REMARK REVDAT 1 18-NOV-15 5E13 0 JRNL AUTH D.S.CHATZILEONTIADOU,V.PARMENOPOULOU,S.MANTA,A.L.KANTSADI, JRNL AUTH 2 P.KYLINDRI,M.GRINIEZAKI,F.KONTOPOULOU,A.TELOPOULOU, JRNL AUTH 3 H.PROKOVA,D.PANAGOPOULOS,E.BOIX,N.A.BALATSOS,D.KOMIOTIS, JRNL AUTH 4 D.D.LEONIDAS JRNL TITL TRIAZOLE DOUBLE-HEADED RIBONUCLEOSIDES AS INHIBITORS OF JRNL TITL 2 EOSINOPHIL DERIVED NEUROTOXIN. JRNL REF BIOORG.CHEM. V. 63 152 2015 JRNL REFN ISSN 0045-2068 JRNL PMID 26551065 JRNL DOI 10.1016/J.BIOORG.2015.10.007 REMARK 2 REMARK 2 RESOLUTION. 1.34 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0103 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.34 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.41 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 27048 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 + TEST SET) : 0.171 REMARK 3 R VALUE (WORKING SET) : 0.169 REMARK 3 FREE R VALUE : 0.198 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1406 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.34 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.38 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1952 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.2080 REMARK 3 BIN FREE R VALUE SET COUNT : 108 REMARK 3 BIN FREE R VALUE : 0.2270 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1089 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 32 REMARK 3 SOLVENT ATOMS : 177 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 11.49 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.058 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.060 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.036 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.844 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.962 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.950 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1211 ; 0.009 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): 1096 ; 0.004 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1671 ; 1.481 ; 1.951 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2521 ; 1.432 ; 3.009 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 149 ; 5.955 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 65 ;34.790 ;24.923 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 193 ;13.458 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 8 ;11.058 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 178 ; 0.128 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1429 ; 0.006 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 315 ; 0.002 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 555 ; 0.704 ; 0.954 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 554 ; 0.700 ; 0.952 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 695 ; 1.214 ; 1.424 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 696 ; 1.213 ; 1.426 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 656 ; 0.976 ; 1.124 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 657 ; 0.976 ; 1.123 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 969 ; 1.604 ; 1.629 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 1509 ; 4.197 ; 9.167 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 1425 ; 3.929 ; 8.517 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 5E13 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 30-SEP-15. REMARK 100 THE DEPOSITION ID IS D_1000214159. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-SEP-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MAX II REMARK 200 BEAMLINE : I911-3 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.04 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL MONOCHROMATOR, REMARK 200 SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28507 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.340 REMARK 200 RESOLUTION RANGE LOW (A) : 38.410 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 8.940 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.15600 REMARK 200 FOR THE DATA SET : 10.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.34 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.42 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.85 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 1GQV REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 27.24 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.69 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M SODIUM CACODYLATE, 1.5M SODIUM REMARK 280 ACETATE, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 289K 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 21.01000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 28.38000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.09000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 28.38000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.01000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 26.09000 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 0 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7650 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 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 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 -26 REMARK 465 VAL A -25 REMARK 465 PRO A -24 REMARK 465 LYS A -23 REMARK 465 LEU A -22 REMARK 465 PHE A -21 REMARK 465 THR A -20 REMARK 465 SER A -19 REMARK 465 GLN A -18 REMARK 465 ILE A -17 REMARK 465 CYS A -16 REMARK 465 LEU A -15 REMARK 465 LEU A -14 REMARK 465 LEU A -13 REMARK 465 LEU A -12 REMARK 465 LEU A -11 REMARK 465 GLY A -10 REMARK 465 LEU A -9 REMARK 465 LEU A -8 REMARK 465 ALA A -7 REMARK 465 VAL A -6 REMARK 465 GLU A -5 REMARK 465 GLY A -4 REMARK 465 SER A -3 REMARK 465 LEU A -2 REMARK 465 HIS A -1 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OD1 ASN A 53 O HOH A 301 1.90 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 SER A 89 67.69 -166.67 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 5J9 A 201 DBREF 5E13 A -26 134 UNP P10153 RNAS2_HUMAN 1 161 SEQADV 5E13 MET A 0 UNP P10153 VAL 27 CONFLICT SEQRES 1 A 161 MET VAL PRO LYS LEU PHE THR SER GLN ILE CYS LEU LEU SEQRES 2 A 161 LEU LEU LEU GLY LEU LEU ALA VAL GLU GLY SER LEU HIS SEQRES 3 A 161 MET LYS PRO PRO GLN PHE THR TRP ALA GLN TRP PHE GLU SEQRES 4 A 161 THR GLN HIS ILE ASN MET THR SER GLN GLN CYS THR ASN SEQRES 5 A 161 ALA MET GLN VAL ILE ASN ASN TYR GLN ARG ARG CYS LYS SEQRES 6 A 161 ASN GLN ASN THR PHE LEU LEU THR THR PHE ALA ASN VAL SEQRES 7 A 161 VAL ASN VAL CYS GLY ASN PRO ASN MET THR CYS PRO SER SEQRES 8 A 161 ASN LYS THR ARG LYS ASN CYS HIS HIS SER GLY SER GLN SEQRES 9 A 161 VAL PRO LEU ILE HIS CYS ASN LEU THR THR PRO SER PRO SEQRES 10 A 161 GLN ASN ILE SER ASN CYS ARG TYR ALA GLN THR PRO ALA SEQRES 11 A 161 ASN MET PHE TYR ILE VAL ALA CYS ASP ASN ARG ASP GLN SEQRES 12 A 161 ARG ARG ASP PRO PRO GLN TYR PRO VAL VAL PRO VAL HIS SEQRES 13 A 161 LEU ASP ARG ILE ILE HET 5J9 A 201 32 HETNAM 5J9 3'-{4-[(4-AMINO-2-OXOPYRIMIDIN-1(2H)-YL)METHYL]-1H-1,2, HETNAM 2 5J9 3-TRIAZOL-1-YL}-3'-DEOXYADENOSINE FORMUL 2 5J9 C17 H19 N11 O4 FORMUL 3 HOH *177(H2 O) HELIX 1 AA1 THR A 6 ILE A 16 1 11 HELIX 2 AA2 GLN A 22 ARG A 35 1 14 HELIX 3 AA3 THR A 47 GLY A 56 1 10 HELIX 4 AA4 ASN A 92 CYS A 96 5 5 SHEET 1 AA1 3 GLN A 40 LEU A 44 0 SHEET 2 AA1 3 VAL A 78 THR A 87 -1 O CYS A 83 N ASN A 41 SHEET 3 AA1 3 ARG A 97 MET A 105 -1 O ARG A 97 N THR A 86 SHEET 1 AA2 4 ASN A 59 MET A 60 0 SHEET 2 AA2 4 CYS A 71 HIS A 73 -1 O CYS A 71 N MET A 60 SHEET 3 AA2 4 TYR A 107 ASN A 113 -1 O VAL A 109 N HIS A 72 SHEET 4 AA2 4 VAL A 125 ILE A 133 -1 O VAL A 128 N ALA A 110 SSBOND 1 CYS A 23 CYS A 83 1555 1555 2.00 SSBOND 2 CYS A 37 CYS A 96 1555 1555 2.02 SSBOND 3 CYS A 55 CYS A 111 1555 1555 2.07 SSBOND 4 CYS A 62 CYS A 71 1555 1555 2.04 SITE 1 AC1 15 MET A 0 LYS A 1 TRP A 7 CYS A 62 SITE 2 AC1 15 ARG A 68 ASN A 70 ALA A 110 GLN A 122 SITE 3 AC1 15 VAL A 128 HIS A 129 HOH A 337 HOH A 356 SITE 4 AC1 15 HOH A 362 HOH A 382 HOH A 426 CRYST1 42.020 52.180 56.760 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 0.023798 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019164 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017618 0.00000