HEADER METAL BINDING PROTEIN 19-MAR-03 1OSD TITLE CRYSTAL STRUCTURE OF OXIDIZED MERP FROM RALSTONIA METALLIDURANS CH34 COMPND MOL_ID: 1; COMPND 2 MOLECULE: HYPOTHETICAL PROTEIN MERP; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: RESIDUES 1-72; COMPND 5 SYNONYM: MERP; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CUPRIAVIDUS METALLIDURANS; SOURCE 3 ORGANISM_TAXID: 119219; SOURCE 4 GENE: MERP; 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: PET-3A KEYWDS MERCURY RESISTANCE, METAL BINDING PROTEIN, PERISPLASM, STRUCTURAL KEYWDS 2 GENOMICS EXPDTA X-RAY DIFFRACTION AUTHOR L.SERRE,E.ROSSY,E.PEBAY-PEYROULA,C.COHEN-ADDAD,J.COVES REVDAT 5 16-OCT-24 1OSD 1 REMARK REVDAT 4 25-OCT-23 1OSD 1 REMARK REVDAT 3 04-JUL-18 1OSD 1 REMARK REVDAT 2 24-FEB-09 1OSD 1 VERSN REVDAT 1 18-MAY-04 1OSD 0 JRNL AUTH L.SERRE,E.ROSSY,E.PEBAY-PEYROULA,C.COHEN-ADDAD,J.COVES JRNL TITL CRYSTAL STRUCTURE OF THE OXIDIZED FORM OF THE PERIPLASMIC JRNL TITL 2 MERCURY-BINDING PROTEIN MERP FROM RALSTONIA METALLIDURANS JRNL TITL 3 CH34 JRNL REF J.MOL.BIOL. V. 339 161 2004 JRNL REFN ISSN 0022-2836 JRNL PMID 15123428 JRNL DOI 10.1016/J.JMB.2004.03.022 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.1.24 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.53 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.1 REMARK 3 NUMBER OF REFLECTIONS : 8498 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) : 0.200 REMARK 3 R VALUE (WORKING SET) : 0.192 REMARK 3 FREE R VALUE : 0.268 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 938 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : 599 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2550 REMARK 3 BIN FREE R VALUE SET COUNT : 71 REMARK 3 BIN FREE R VALUE : 0.4400 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1050 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 125 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 35.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.57 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.08000 REMARK 3 B22 (A**2) : 0.28000 REMARK 3 B33 (A**2) : -0.20000 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): 0.233 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.212 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.150 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.418 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.954 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.919 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1103 ; 0.034 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 1043 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1496 ; 2.306 ; 1.971 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2466 ; 1.213 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 142 ; 6.136 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 199 ; 0.148 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1157 ; 0.012 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 177 ; 0.002 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 234 ; 0.214 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 1198 ; 0.255 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): 744 ; 0.091 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 81 ; 0.179 ; 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): 6 ; 0.215 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 51 ; 0.288 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 17 ; 0.148 ; 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): 728 ; 1.484 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1209 ; 2.273 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 375 ; 3.593 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 287 ; 5.797 ; 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 : 1 REMARK 3 REMARK 3 NCS GROUP NUMBER : 1 REMARK 3 CHAIN NAMES : A B REMARK 3 NUMBER OF COMPONENTS NCS GROUP : 1 REMARK 3 COMPONENT C SSSEQI TO C SSSEQI CODE REMARK 3 1 A 1 A 70 5 REMARK 3 1 B 1 B 70 5 REMARK 3 GROUP CHAIN COUNT RMS WEIGHT REMARK 3 MEDIUM POSITIONAL 1 A (A): 412 ; 0.18 ; 0.50 REMARK 3 LOOSE POSITIONAL 1 A (A): 511 ; 0.53 ; 5.00 REMARK 3 MEDIUM THERMAL 1 A (A**2): 412 ; 1.47 ; 2.00 REMARK 3 LOOSE THERMAL 1 A (A**2): 511 ; 2.16 ; 10.00 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH 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 1OSD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-MAR-03. REMARK 100 THE DEPOSITION ID IS D_1000018622. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 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 : ENRAF-NONIUS FR591 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : OSMIC MULTI-LAYER MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9437 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 200 DATA REDUNDANCY : 4.200 REMARK 200 R MERGE (I) : 0.05400 REMARK 200 R SYM (I) : 0.04800 REMARK 200 FOR THE DATA SET : 10.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.05 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.70 REMARK 200 R MERGE FOR SHELL (I) : 0.33500 REMARK 200 R SYM FOR SHELL (I) : 0.28200 REMARK 200 FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: BEAST REMARK 200 STARTING MODEL: PDB ENTRY 1AFI REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.02 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEGMME5000, SODIUM ACETATE, TRIS-HCL, REMARK 280 PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K 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 21.90500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 30.00300 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.30600 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 30.00300 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.90500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 26.30600 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 VAL A 21 CB VAL A 21 CG1 0.185 REMARK 500 VAL B 44 CB VAL B 44 CG1 0.149 REMARK 500 REMARK 500 REMARK: NULL 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 ASP A 48 CB - CG - OD2 ANGL. DEV. = 6.1 DEGREES REMARK 500 ASP A 49 CB - CG - OD2 ANGL. DEV. = 9.7 DEGREES REMARK 500 ASP A 63 CB - CG - OD2 ANGL. DEV. = 5.9 DEGREES REMARK 500 CYS B 17 CA - CB - SG ANGL. DEV. = 6.7 DEGREES REMARK 500 ARG B 41 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 ARG B 41 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ASP B 48 CB - CG - OD2 ANGL. DEV. = 6.2 DEGREES REMARK 500 ASP B 49 CB - CG - OD2 ANGL. DEV. = 7.9 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2HQI RELATED DB: PDB REMARK 900 SHIGELLA FLEXNERI OXIDIZED MERP REMARK 900 RELATED ID: 1AFI RELATED DB: PDB REMARK 900 SHIGELLA FLEXNERI REDUCED MERP REMARK 900 RELATED ID: 1AFJ RELATED DB: PDB REMARK 900 SHIGELLA FLEXNERI MERCURY BOUND MERP DBREF 1OSD A 1 72 GB 22980851 ZP_00026552 20 91 DBREF 1OSD B 1 72 GB 22980851 ZP_00026552 20 91 SEQRES 1 A 72 ALA THR GLN THR VAL THR LEU SER VAL PRO GLY MET THR SEQRES 2 A 72 CYS SER ALA CYS PRO ILE THR VAL LYS LYS ALA ILE SER SEQRES 3 A 72 LYS VAL GLU GLY VAL SER LYS VAL ASP VAL THR PHE GLU SEQRES 4 A 72 THR ARG GLN ALA VAL VAL THR PHE ASP ASP ALA LYS THR SEQRES 5 A 72 SER VAL GLN LYS LEU THR LYS ALA THR ALA ASP ALA GLY SEQRES 6 A 72 TYR PRO SER SER VAL LYS GLN SEQRES 1 B 72 ALA THR GLN THR VAL THR LEU SER VAL PRO GLY MET THR SEQRES 2 B 72 CYS SER ALA CYS PRO ILE THR VAL LYS LYS ALA ILE SER SEQRES 3 B 72 LYS VAL GLU GLY VAL SER LYS VAL ASP VAL THR PHE GLU SEQRES 4 B 72 THR ARG GLN ALA VAL VAL THR PHE ASP ASP ALA LYS THR SEQRES 5 B 72 SER VAL GLN LYS LEU THR LYS ALA THR ALA ASP ALA GLY SEQRES 6 B 72 TYR PRO SER SER VAL LYS GLN FORMUL 3 HOH *125(H2 O) HELIX 1 1 ALA A 16 LYS A 27 1 12 HELIX 2 2 SER A 53 ALA A 64 1 12 HELIX 3 3 ALA B 16 LYS B 27 1 12 HELIX 4 4 SER B 53 ALA B 64 1 12 SHEET 1 A 4 VAL A 31 THR A 37 0 SHEET 2 A 4 GLN A 42 ASP A 48 -1 O GLN A 42 N THR A 37 SHEET 3 A 4 THR A 2 SER A 8 -1 N LEU A 7 O ALA A 43 SHEET 4 A 4 SER A 69 VAL A 70 -1 O SER A 69 N SER A 8 SHEET 1 B 4 VAL B 31 THR B 37 0 SHEET 2 B 4 GLN B 42 ASP B 48 -1 O THR B 46 N LYS B 33 SHEET 3 B 4 THR B 2 SER B 8 -1 N LEU B 7 O ALA B 43 SHEET 4 B 4 SER B 69 VAL B 70 -1 O SER B 69 N SER B 8 SSBOND 1 CYS A 14 CYS A 17 1555 1555 2.04 SSBOND 2 CYS B 14 CYS B 17 1555 1555 2.05 CRYST1 43.810 52.612 60.006 90.00 90.00 90.00 P 21 21 21 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 0.022826 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019007 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016665 0.00000