HEADER HYDROLASE 14-APR-10 3MK9 TITLE STABILIZED RICIN IMMUNOGEN 1-33/44-198 COMPND MOL_ID: 1; COMPND 2 MOLECULE: RICIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: RICIN A CHAIN, RRNA N-GLYCOSIDASE, LINKER PEPTIDE, RICIN B COMPND 5 CHAIN; COMPND 6 EC: 3.2.2.22; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RICINUS COMMUNIS; SOURCE 3 ORGANISM_COMMON: CASTOR BEAN; SOURCE 4 ORGANISM_TAXID: 3988; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL-21(DE3) KEYWDS DISULFIDE BOND, HYDROLASE, NUCLEOTIDE-BINDING, PLANT DEFENSE, PROTEIN KEYWDS 2 SYNTHESIS INHIBITOR, TOXIN, IMMUNOGEN EXPDTA X-RAY DIFFRACTION AUTHOR P.M.LEGLER,J.R.COMPTON,C.B.MILLARD REVDAT 5 06-SEP-23 3MK9 1 REMARK REVDAT 4 06-OCT-21 3MK9 1 REMARK SEQADV REVDAT 3 17-JUL-19 3MK9 1 REMARK REVDAT 2 25-JAN-12 3MK9 1 JRNL VERSN REVDAT 1 10-NOV-10 3MK9 0 JRNL AUTH J.R.COMPTON,P.M.LEGLER,B.V.CLINGAN,M.A.OLSON,C.B.MILLARD JRNL TITL INTRODUCTION OF A DISULFIDE BOND LEADS TO STABILIZATION AND JRNL TITL 2 CRYSTALLIZATION OF A RICIN IMMUNOGEN. JRNL REF PROTEINS V. 79 1048 2011 JRNL REFN ISSN 0887-3585 JRNL PMID 21387408 JRNL DOI 10.1002/PROT.22933 REMARK 2 REMARK 2 RESOLUTION. 2.08 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 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) : 2.08 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 58.03 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 96.6 REMARK 3 NUMBER OF REFLECTIONS : 10377 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) : 0.211 REMARK 3 R VALUE (WORKING SET) : 0.210 REMARK 3 FREE R VALUE : 0.236 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 520 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) : 2.08 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.13 REMARK 3 REFLECTION IN BIN (WORKING SET) : 579 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 74.21 REMARK 3 BIN R VALUE (WORKING SET) : 0.2630 REMARK 3 BIN FREE R VALUE SET COUNT : 31 REMARK 3 BIN FREE R VALUE : 0.2230 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1363 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 76 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.69 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.97000 REMARK 3 B22 (A**2) : -0.65000 REMARK 3 B33 (A**2) : 1.62000 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): 0.252 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.188 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.926 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.916 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1396 ; 0.006 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1899 ; 1.111 ; 1.948 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 171 ; 0.972 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 72 ;39.050 ;23.611 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 212 ;14.752 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 11 ;20.198 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 212 ; 0.086 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1087 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 621 ; 0.267 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 996 ; 0.325 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 59 ; 0.155 ; 0.200 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): 51 ; 0.309 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 7 ; 0.154 ; 0.200 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): 856 ; 1.257 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1375 ; 2.277 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 540 ; 3.253 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 524 ; 5.365 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL 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 3MK9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-APR-10. REMARK 100 THE DEPOSITION ID IS D_1000058649. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-FEB-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.4 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 : BRUKER AXS MICROSTAR REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRUKER SMART 6000 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SAINT REMARK 200 DATA SCALING SOFTWARE : SADABS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10903 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.080 REMARK 200 RESOLUTION RANGE LOW (A) : 58.070 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.6 REMARK 200 DATA REDUNDANCY : 9.610 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05400 REMARK 200 FOR THE DATA SET : 20.1800 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.08 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.17 REMARK 200 COMPLETENESS FOR SHELL (%) : 77.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.01 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.880 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1IFS REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.85 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN BUFFER: 50MM MES PH 6.4, 200MM REMARK 280 NACL, 2MM BME, CRYSTALLIZATION SOLUTION: 0.17M AMMONIUM SULFATE, REMARK 280 25.5% W/V PEG 4000, 15% V/V GLYCEROL , VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 290K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2 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,Y,-Z REMARK 290 4555 X,-Y,-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 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+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 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 25.87200 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 36.38350 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 48.19100 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 25.87200 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 36.38350 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 48.19100 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 25.87200 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 36.38350 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 48.19100 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 25.87200 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 36.38350 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 48.19100 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 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 0 REMARK 465 ILE A 1 REMARK 465 PHE A 2 REMARK 465 PRO A 3 REMARK 465 LYS A 4 REMARK 465 GLN A 5 REMARK 465 ARG A 189 REMARK 465 THR A 190 REMARK 465 ARG A 191 REMARK 465 ILE A 192 REMARK 465 ARG A 193 REMARK 465 TYR A 194 REMARK 465 ASN A 195 REMARK 465 ARG A 196 REMARK 465 ARG A 197 REMARK 465 SER A 198 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 33 71.77 -153.47 REMARK 500 ASN A 64 -164.14 -120.67 REMARK 500 ASN A 78 -7.35 -143.18 REMARK 500 ALA A 79 -6.38 78.22 REMARK 500 ASN A 136 88.13 70.85 REMARK 500 ILE A 175 -69.02 -121.03 REMARK 500 GLU A 187 32.29 -89.69 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 SO4 A 999 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3LC9 RELATED DB: PDB REMARK 900 STABILIZED RICIN IMMUNOGEN 1-33/44-198: R48C/T77C DISULFIDE BOND REMARK 900 VARIANT DBREF 3MK9 A 1 198 UNP P02879 RICI_RICCO 36 233 SEQADV 3MK9 MET A 0 UNP P02879 INITIATING METHIONINE SEQADV 3MK9 A UNP P02879 THR 69 DELETION SEQADV 3MK9 A UNP P02879 GLY 70 DELETION SEQADV 3MK9 A UNP P02879 ALA 71 DELETION SEQADV 3MK9 A UNP P02879 ASP 72 DELETION SEQADV 3MK9 A UNP P02879 VAL 73 DELETION SEQADV 3MK9 A UNP P02879 ARG 74 DELETION SEQADV 3MK9 A UNP P02879 HIS 75 DELETION SEQADV 3MK9 A UNP P02879 GLU 76 DELETION SEQADV 3MK9 A UNP P02879 ILE 77 DELETION SEQADV 3MK9 A UNP P02879 PRO 78 DELETION SEQADV 3MK9 CYS A 49 UNP P02879 VAL 84 ENGINEERED MUTATION SEQADV 3MK9 CYS A 99 UNP P02879 GLU 134 ENGINEERED MUTATION SEQRES 1 A 189 MET ILE PHE PRO LYS GLN TYR PRO ILE ILE ASN PHE THR SEQRES 2 A 189 THR ALA GLY ALA THR VAL GLN SER TYR THR ASN PHE ILE SEQRES 3 A 189 ARG ALA VAL ARG GLY ARG LEU THR VAL LEU PRO ASN ARG SEQRES 4 A 189 CYS GLY LEU PRO ILE ASN GLN ARG PHE ILE LEU VAL GLU SEQRES 5 A 189 LEU SER ASN HIS ALA GLU LEU SER VAL THR LEU ALA LEU SEQRES 6 A 189 ASP VAL THR ASN ALA TYR VAL VAL GLY TYR ARG ALA GLY SEQRES 7 A 189 ASN SER ALA TYR PHE PHE HIS PRO ASP ASN GLN CYS ASP SEQRES 8 A 189 ALA GLU ALA ILE THR HIS LEU PHE THR ASP VAL GLN ASN SEQRES 9 A 189 ARG TYR THR PHE ALA PHE GLY GLY ASN TYR ASP ARG LEU SEQRES 10 A 189 GLU GLN LEU ALA GLY ASN LEU ARG GLU ASN ILE GLU LEU SEQRES 11 A 189 GLY ASN GLY PRO LEU GLU GLU ALA ILE SER ALA LEU TYR SEQRES 12 A 189 TYR TYR SER THR GLY GLY THR GLN LEU PRO THR LEU ALA SEQRES 13 A 189 ARG SER PHE ILE ILE CYS ILE GLN MET ILE SER GLU ALA SEQRES 14 A 189 ALA ARG PHE GLN TYR ILE GLU GLY GLU MET ARG THR ARG SEQRES 15 A 189 ILE ARG TYR ASN ARG ARG SER HET SO4 A 999 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 O4 S 2- FORMUL 3 HOH *76(H2 O) HELIX 1 1 THR A 17 GLY A 30 1 14 HELIX 2 2 PRO A 52 GLN A 55 5 4 HELIX 3 3 ASN A 97 ILE A 104 1 8 HELIX 4 4 THR A 105 LEU A 107 5 3 HELIX 5 5 ASN A 122 GLY A 131 1 10 HELIX 6 6 GLY A 140 SER A 155 1 16 HELIX 7 7 GLN A 160 ILE A 175 1 16 HELIX 8 8 ILE A 175 GLU A 187 1 13 SHEET 1 A 6 ILE A 8 THR A 12 0 SHEET 2 A 6 PHE A 57 SER A 63 1 O LEU A 59 N ILE A 9 SHEET 3 A 6 SER A 69 ASP A 75 -1 O LEU A 74 N ILE A 58 SHEET 4 A 6 VAL A 81 ALA A 86 -1 O GLY A 83 N ALA A 73 SHEET 5 A 6 SER A 89 PHE A 92 -1 O SER A 89 N ALA A 86 SHEET 6 A 6 ASN A 113 THR A 116 1 O ASN A 113 N ALA A 90 SSBOND 1 CYS A 49 CYS A 99 1555 1555 2.03 SITE 1 AC1 7 HOH A 36 HIS A 65 PHE A 119 GLY A 120 SITE 2 AC1 7 ASN A 122 ARG A 125 HOH A 218 CRYST1 51.744 72.767 96.382 90.00 90.00 90.00 I 2 2 2 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 0.019326 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013742 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010375 0.00000