HEADER TRANSCRIPTION 13-FEB-07 2OVG TITLE LAMBDA CRO Q27P/A29S/K32Q TRIPLE MUTANT AT 1.35 A IN SPACE GROUP P3221 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHAGE LAMBDA CRO; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE LAMBDA; SOURCE 3 ORGANISM_TAXID: 10710; SOURCE 4 GENE: CRO; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET21B KEYWDS TRANSCRIPTION FACTOR, HELIX-TURN-HELIX, BACTERIOPHAGE, FLEXIBILITY, KEYWDS 2 TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR B.M.HALL,A.HEROUX,S.A.ROBERTS,M.H.CORDES REVDAT 7 30-AUG-23 2OVG 1 REMARK REVDAT 6 20-OCT-21 2OVG 1 REMARK SEQADV REVDAT 5 18-OCT-17 2OVG 1 REMARK REVDAT 4 13-JUL-11 2OVG 1 VERSN REVDAT 3 24-FEB-09 2OVG 1 VERSN REVDAT 2 05-FEB-08 2OVG 1 AUTHOR REVDAT 1 08-JAN-08 2OVG 0 JRNL AUTH B.M.HALL,S.A.ROBERTS,A.HEROUX,M.H.CORDES JRNL TITL TWO STRUCTURES OF A LAMBDA CRO VARIANT HIGHLIGHT DIMER JRNL TITL 2 FLEXIBILITY BUT DISFAVOR MAJOR DIMER DISTORTIONS UPON JRNL TITL 3 SPECIFIC BINDING OF COGNATE DNA. JRNL REF J.MOL.BIOL. V. 375 802 2008 JRNL REFN ISSN 0022-2836 JRNL PMID 18054042 JRNL DOI 10.1016/J.JMB.2007.10.082 REMARK 2 REMARK 2 RESOLUTION. 1.35 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 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) : 1.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.77 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 3 NUMBER OF REFLECTIONS : 15657 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) : 0.134 REMARK 3 R VALUE (WORKING SET) : 0.132 REMARK 3 FREE R VALUE : 0.171 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 788 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) : 1.35 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.39 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1063 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.32 REMARK 3 BIN R VALUE (WORKING SET) : 0.2220 REMARK 3 BIN FREE R VALUE SET COUNT : 61 REMARK 3 BIN FREE R VALUE : 0.2960 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 454 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 11 REMARK 3 SOLVENT ATOMS : 108 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 9.78 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.33000 REMARK 3 B22 (A**2) : 0.33000 REMARK 3 B33 (A**2) : -0.49000 REMARK 3 B12 (A**2) : 0.16000 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): 0.047 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.048 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.028 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.494 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.974 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.962 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 530 ; 0.010 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 389 ; 0.006 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 723 ; 1.290 ; 1.979 REMARK 3 BOND ANGLES OTHERS (DEGREES): 950 ; 0.877 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 71 ; 4.062 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 26 ;29.046 ;22.692 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 99 ;11.487 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 6 ;10.031 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 77 ; 0.096 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 591 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 115 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 100 ; 0.234 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 374 ; 0.191 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 265 ; 0.182 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 290 ; 0.077 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 54 ; 0.135 ; 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): 8 ; 0.135 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 29 ; 0.175 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 26 ; 0.156 ; 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): 340 ; 3.035 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 124 ; 1.169 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 512 ; 3.570 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 236 ; 5.912 ; 9.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 203 ; 6.999 ;12.000 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): 1030 ; 2.511 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 108 ;12.283 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 903 ; 4.867 ; 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 : 1.40 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 2OVG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-MAR-07. REMARK 100 THE DEPOSITION ID IS D_1000041635. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-JUN-05 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 : NSLS REMARK 200 BEAMLINE : X26C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.96 REMARK 200 MONOCHROMATOR : SI (111) CHANNEL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15657 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.350 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 (%) : 97.7 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : 0.06700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.40 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.5 REMARK 200 DATA REDUNDANCY IN SHELL : 3.20 REMARK 200 R MERGE FOR SHELL (I) : 0.54000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.960 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 6CRO PROTEIN PORTION REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.95 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.41 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.5 M LITHIUM SULFATE, 0.1 M NA HEPES, REMARK 280 PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 32.09867 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 16.04933 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 16.04933 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 32.09867 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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 ASYMMETRIC UNIT CONTAINS A MONOMER WHICH IS HALF OF THE REMARK 300 BIOLOGICAL ASSEMBLY. THE SECOND PART OF THE BIOLOGICAL ASSEMBLY IS REMARK 300 GENERATED BY THE TWO FOLD AXIS: -X, Y-X, 2/3-Z 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: DIMERIC 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 32.09867 REMARK 350 REMARK 350 BIOMOLECULE: 2 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PQS 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -16.04933 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 1 REMARK 465 GLU A 2 REMARK 465 ASN A 61 REMARK 465 LYS A 62 REMARK 465 LYS A 63 REMARK 465 THR A 64 REMARK 465 THR A 65 REMARK 465 ALA A 66 REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 EPE A 110 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 111 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EPE A 110 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2ECS RELATED DB: PDB DBREF 2OVG A 1 66 UNP P03040 RCRO_LAMBD 1 66 SEQADV 2OVG PRO A 27 UNP P03040 GLN 27 ENGINEERED MUTATION SEQADV 2OVG SER A 29 UNP P03040 ALA 29 ENGINEERED MUTATION SEQADV 2OVG GLN A 32 UNP P03040 LYS 32 ENGINEERED MUTATION SEQRES 1 A 66 MET GLU GLN ARG ILE THR LEU LYS ASP TYR ALA MET ARG SEQRES 2 A 66 PHE GLY GLN THR LYS THR ALA LYS ASP LEU GLY VAL TYR SEQRES 3 A 66 PRO SER SER ILE ASN GLN ALA ILE HIS ALA GLY ARG LYS SEQRES 4 A 66 ILE PHE LEU THR ILE ASN ALA ASP GLY SER VAL TYR ALA SEQRES 5 A 66 GLU GLU VAL LYS PRO PHE PRO SER ASN LYS LYS THR THR SEQRES 6 A 66 ALA HET SO4 A 111 5 HET EPE A 110 6 HETNAM SO4 SULFATE ION HETNAM EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID HETSYN EPE HEPES FORMUL 2 SO4 O4 S 2- FORMUL 3 EPE C8 H18 N2 O4 S FORMUL 4 HOH *108(H2 O) HELIX 1 1 LEU A 7 GLY A 15 1 9 HELIX 2 2 GLY A 15 GLY A 24 1 10 HELIX 3 3 TYR A 26 GLY A 37 1 12 SHEET 1 A 3 ILE A 5 THR A 6 0 SHEET 2 A 3 LYS A 39 ILE A 44 -1 O LEU A 42 N ILE A 5 SHEET 3 A 3 VAL A 50 VAL A 55 -1 O TYR A 51 N THR A 43 CISPEP 1 PHE A 58 PRO A 59 0 1.89 SITE 1 AC1 7 ARG A 38 PRO A 59 SER A 60 HOH A 138 SITE 2 AC1 7 HOH A 149 HOH A 186 HOH A 194 SITE 1 AC2 7 LYS A 8 MET A 12 ARG A 13 PHE A 14 SITE 2 AC2 7 GLY A 15 ASP A 47 HOH A 198 CRYST1 50.524 50.524 48.148 90.00 90.00 120.00 P 32 2 1 6 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 0.019793 0.011427 0.000000 0.00000 SCALE2 0.000000 0.022854 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020769 0.00000