HEADER HYDROLASE 29-JUN-05 2A4O TITLE DUAL MODES OF MODIFICATION OF HEPATITIS A VIRUS 3C PROTEASE BY A TITLE 2 SERINE DERIVED BETA-LACTONE: SELECTIVE CRYTSTALLIZATION AND HIGH TITLE 3 RESOLUTION STRUCTURE OF THE HIS102 ADDUCT COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROBABLE PROTEIN P3C; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: 3C PROTEASE; COMPND 5 EC: 3.4.22.28; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HUMAN HEPATITIS A VIRUS HU/NORTHERN SOURCE 3 AFRICA/MBB/1978; SOURCE 4 ORGANISM_TAXID: 12100; SOURCE 5 STRAIN: MBB; SOURCE 6 GENE: 3C; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: D1210; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PHAV-3CEX KEYWDS BETA BARREL, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.YIN,E.M.BERGMANN,M.M.CHERNEY,M.S.LALL,R.P.JAIN,J.C.VEDERAS, AUTHOR 2 M.N.G.JAMES REVDAT 3 10-NOV-21 2A4O 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 2A4O 1 VERSN REVDAT 1 27-DEC-05 2A4O 0 JRNL AUTH J.YIN,E.M.BERGMANN,M.M.CHERNEY,M.S.LALL,R.P.JAIN, JRNL AUTH 2 J.C.VEDERAS,M.N.G.JAMES JRNL TITL DUAL MODES OF MODIFICATION OF HEPATITIS A VIRUS 3C PROTEASE JRNL TITL 2 BY A SERINE-DERIVED BETA-LACTONE: SELECTIVE CRYSTALLIZATION JRNL TITL 3 AND FORMATION OF A FUNCTIONAL CATALYTIC TRIAD IN THE ACTIVE JRNL TITL 4 SITE JRNL REF J.MOL.BIOL. V. 354 854 2005 JRNL REFN ISSN 0022-2836 JRNL PMID 16288920 JRNL DOI 10.1016/J.JMB.2005.09.074 REMARK 2 REMARK 2 RESOLUTION. 1.55 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 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) : 1.55 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.1 REMARK 3 NUMBER OF REFLECTIONS : 27436 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) : 0.179 REMARK 3 R VALUE (WORKING SET) : 0.178 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 : 1425 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) : 1.55 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.59 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1907 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.86 REMARK 3 BIN R VALUE (WORKING SET) : 0.2850 REMARK 3 BIN FREE R VALUE SET COUNT : 105 REMARK 3 BIN FREE R VALUE : 0.3190 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1634 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 38 REMARK 3 SOLVENT ATOMS : 258 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.61 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.05000 REMARK 3 B22 (A**2) : -0.53000 REMARK 3 B33 (A**2) : -0.52000 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): 0.127 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.084 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.048 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.890 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.963 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.955 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1706 ; 0.010 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2301 ; 1.192 ; 1.974 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 212 ; 6.050 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 69 ;37.491 ;24.928 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 297 ;12.371 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;20.542 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 261 ; 0.081 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1259 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 838 ; 0.205 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1177 ; 0.309 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 217 ; 0.127 ; 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): 57 ; 0.169 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 29 ; 0.135 ; 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): 1083 ; 1.068 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1714 ; 1.562 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 695 ; 2.206 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 587 ; 3.380 ; 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): 1778 ; 1.347 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 290 ; 2.968 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1672 ; 2.575 ; 3.000 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 2A4O COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 07-JUL-05. REMARK 100 THE DEPOSITION ID IS D_1000033483. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-APR-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.3.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.115889 REMARK 200 MONOCHROMATOR : DUAL CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : BLU-ICE REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29065 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.550 REMARK 200 RESOLUTION RANGE LOW (A) : 46.190 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.05200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.63 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.34300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, GLYCEROL, TRIS-HCL, PH 7.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 297K 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 21.95700 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 40.64650 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.03600 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 40.64650 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.95700 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.03600 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS LIKELY TO BE 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 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 ASP A 213 REMARK 465 LYS A 214 REMARK 465 LYS A 215 REMARK 465 ILE A 216 REMARK 465 GLU A 217 REMARK 465 SER A 218 REMARK 465 GLN A 219 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 MET A 29 -165.63 -167.22 REMARK 500 LYS A 35 143.65 -170.02 REMARK 500 ASP A 36 -129.15 51.29 REMARK 500 TYR A 46 -27.24 -140.97 REMARK 500 ASP A 84 -68.72 67.96 REMARK 500 GLN A 159 86.26 57.85 REMARK 500 ASN A 211 -2.50 -59.38 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 BBL A 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACE A 306 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE VAL A 307 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NFA A 308 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1HAV RELATED DB: PDB REMARK 900 HEPATITIS A VIRAL 3C PROTEASE REMARK 900 RELATED ID: 1QA7 RELATED DB: PDB REMARK 900 HEPATITIS A VIRAL 3C PROTEASE REMARK 900 RELATED ID: 2CXV RELATED DB: PDB REMARK 900 HEPATITIS A VIRAL 3C PROTEASE DBREF 2A4O A 1 219 UNP P13901 POLG_HPAVM 1520 1738 SEQADV 2A4O SER A 24 UNP P13901 CYS 1543 ENGINEERED MUTATION SEQRES 1 A 219 SER THR LEU GLU ILE ALA GLY LEU VAL ARG LYS ASN LEU SEQRES 2 A 219 VAL GLN PHE GLY VAL GLY GLU LYS ASN GLY SER VAL ARG SEQRES 3 A 219 TRP VAL MET ASN ALA LEU GLY VAL LYS ASP ASP TRP LEU SEQRES 4 A 219 LEU VAL PRO SER HIS ALA TYR LYS PHE GLU LYS ASP TYR SEQRES 5 A 219 GLU MET MET GLU PHE TYR PHE ASN ARG GLY GLY THR TYR SEQRES 6 A 219 TYR SER ILE SER ALA GLY ASN VAL VAL ILE GLN SER LEU SEQRES 7 A 219 ASP VAL GLY PHE GLN ASP VAL VAL LEU MET LYS VAL PRO SEQRES 8 A 219 THR ILE PRO LYS PHE ARG ASP ILE THR GLN HIS PHE ILE SEQRES 9 A 219 LYS LYS GLY ASP VAL PRO ARG ALA LEU ASN ARG LEU ALA SEQRES 10 A 219 THR LEU VAL THR THR VAL ASN GLY THR PRO MET LEU ILE SEQRES 11 A 219 SER GLU GLY PRO LEU LYS MET GLU GLU LYS ALA THR TYR SEQRES 12 A 219 VAL HIS LYS LYS ASN ASP GLY THR THR VAL ASP LEU THR SEQRES 13 A 219 VAL ASP GLN ALA TRP ARG GLY LYS GLY GLU GLY LEU PRO SEQRES 14 A 219 GLY MET CYS GLY GLY ALA LEU VAL SER SER ASN GLN SER SEQRES 15 A 219 ILE GLN ASN ALA ILE LEU GLY ILE HIS VAL ALA GLY GLY SEQRES 16 A 219 ASN SER ILE LEU VAL ALA LYS LEU VAL THR GLN GLU MET SEQRES 17 A 219 PHE GLN ASN ILE ASP LYS LYS ILE GLU SER GLN HET BBL A 901 16 HET ACE A 306 3 HET VAL A 307 7 HET NFA A 308 12 HETNAM BBL N-[(BENZYLOXY)CARBONYL]-L-ALANINE HETNAM ACE ACETYL GROUP HETNAM VAL VALINE HETNAM NFA PHENYLALANINE AMIDE HETSYN BBL N-BENZYLOXYCARBONYL-L-SERINE-BETALACTONE FORMUL 2 BBL C11 H13 N O4 FORMUL 3 ACE C2 H4 O FORMUL 4 VAL C5 H11 N O2 FORMUL 5 NFA C9 H12 N2 O FORMUL 6 HOH *258(H2 O) HELIX 1 1 SER A 1 ASN A 12 1 12 HELIX 2 2 HIS A 44 TYR A 46 5 3 HELIX 3 3 ASP A 51 MET A 54 5 4 HELIX 4 4 GLY A 71 VAL A 73 5 3 HELIX 5 5 ILE A 99 PHE A 103 5 5 HELIX 6 6 LYS A 105 LEU A 113 5 9 HELIX 7 7 ASN A 180 GLN A 184 5 5 HELIX 8 8 THR A 205 ILE A 212 5 8 SHEET 1 A 7 THR A 64 SER A 69 0 SHEET 2 A 7 GLU A 56 ARG A 61 -1 N PHE A 57 O ILE A 68 SHEET 3 A 7 LEU A 13 GLY A 19 -1 N GLY A 19 O GLU A 56 SHEET 4 A 7 ARG A 26 LYS A 35 -1 O MET A 29 N PHE A 16 SHEET 5 A 7 TRP A 38 PRO A 42 -1 O TRP A 38 N VAL A 34 SHEET 6 A 7 VAL A 85 LYS A 89 -1 O MET A 88 N LEU A 39 SHEET 7 A 7 VAL A 74 SER A 77 -1 N GLN A 76 O LEU A 87 SHEET 1 B 7 THR A 126 GLU A 132 0 SHEET 2 B 7 ALA A 117 VAL A 123 -1 N LEU A 119 O ILE A 130 SHEET 3 B 7 ALA A 175 SER A 178 -1 O ALA A 175 N VAL A 120 SHEET 4 B 7 ILE A 187 GLY A 195 -1 O LEU A 188 N LEU A 176 SHEET 5 B 7 ILE A 198 LEU A 203 -1 O VAL A 200 N ALA A 193 SHEET 6 B 7 THR A 152 LYS A 164 -1 N GLY A 163 O LEU A 199 SHEET 7 B 7 LYS A 136 LYS A 146 -1 N TYR A 143 O LEU A 155 LINK NE2 HIS A 102 CBZ BBL A 901 1555 1555 1.39 LINK SG CYS A 172 CH3 ACE A 306 1555 1555 1.82 LINK C ACE A 306 N VAL A 307 1555 1555 1.31 LINK C VAL A 307 N NFA A 308 1555 1555 1.31 SITE 1 AC1 13 ALA A 6 LEU A 8 ARG A 10 ARG A 97 SITE 2 AC1 13 GLN A 101 HIS A 102 PRO A 127 MET A 128 SITE 3 AC1 13 LEU A 129 HOH A 906 HOH A 908 HOH A1062 SITE 4 AC1 13 HOH A1149 SITE 1 AC2 4 GLY A 170 MET A 171 CYS A 172 VAL A 307 SITE 1 AC3 9 VAL A 28 MET A 29 PRO A 169 GLY A 170 SITE 2 AC3 9 CYS A 172 ACE A 306 NFA A 308 HOH A 909 SITE 3 AC3 9 HOH A 919 SITE 1 AC4 8 VAL A 28 ASN A 124 PRO A 169 GLY A 170 SITE 2 AC4 8 VAL A 307 HOH A 915 HOH A1042 HOH A1086 CRYST1 43.914 56.072 81.293 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 0.022772 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017834 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012301 0.00000