HEADER HYDROLASE/HYDROLASE INHIBITOR 26-NOV-07 3BG4 TITLE THE CRYSTAL STRUCTURE OF GUAMERIN IN COMPLEX WITH CHYMOTRYPSIN AND THE TITLE 2 DEVELOPMENT OF AN ELASTASE-SPECIFIC INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHYMOTRYPSIN A CHAIN A; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.1; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: CHYMOTRYPSIN A CHAIN B; COMPND 7 CHAIN: B; COMPND 8 EC: 3.4.21.1; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: CHYMOTRYPSIN A CHAIN C; COMPND 11 CHAIN: C; COMPND 12 EC: 3.4.21.1; COMPND 13 MOL_ID: 4; COMPND 14 MOLECULE: GUAMERIN; COMPND 15 CHAIN: D; COMPND 16 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: BOVINE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 7 ORGANISM_COMMON: BOVINE; SOURCE 8 ORGANISM_TAXID: 9913; SOURCE 9 MOL_ID: 3; SOURCE 10 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 11 ORGANISM_COMMON: BOVINE; SOURCE 12 ORGANISM_TAXID: 9913; SOURCE 13 MOL_ID: 4; SOURCE 14 ORGANISM_SCIENTIFIC: HIRUDO NIPPONIA; SOURCE 15 ORGANISM_COMMON: LEECH; SOURCE 16 ORGANISM_TAXID: 42736; SOURCE 17 EXPRESSION_SYSTEM: PICHIA PASTORIS; SOURCE 18 EXPRESSION_SYSTEM_TAXID: 4922 KEYWDS GUAMERIN, CHYMOTRYPSIN, ELASTASE, INHIBITOR, DIGESTION, HYDROLASE, KEYWDS 2 PROTEASE, SECRETED, SERINE PROTEASE, ZYMOGEN, PROTEASE INHIBITOR, KEYWDS 3 SERINE PROTEASE INHIBITOR, HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR H.KIM,T.T.T.CHU,D.Y.KIM,D.R.KIM,C.M.T.NGUYEN,J.CHOI,J.R.LEE,M.J.HAHN, AUTHOR 2 K.K.KIM REVDAT 4 09-OCT-24 3BG4 1 REMARK REVDAT 3 01-NOV-23 3BG4 1 REMARK REVDAT 2 24-FEB-09 3BG4 1 VERSN REVDAT 1 29-JUL-08 3BG4 0 JRNL AUTH H.KIM,T.T.T.CHU,D.Y.KIM,D.R.KIM,C.M.T.NGUYEN,J.CHOI,J.R.LEE, JRNL AUTH 2 M.J.HAHN,K.K.KIM JRNL TITL THE CRYSTAL STRUCTURE OF GUAMERIN IN COMPLEX WITH JRNL TITL 2 CHYMOTRYPSIN AND THE DEVELOPMENT OF AN ELASTASE-SPECIFIC JRNL TITL 3 INHIBITOR. JRNL REF J.MOL.BIOL. V. 376 184 2008 JRNL REFN ISSN 0022-2836 JRNL PMID 18155725 JRNL DOI 10.1016/J.JMB.2007.11.089 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.2 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.94 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1261500.090 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 80.0 REMARK 3 NUMBER OF REFLECTIONS : 7017 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 SET) : 0.187 REMARK 3 FREE R VALUE : 0.241 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.400 REMARK 3 FREE R VALUE TEST SET COUNT : 378 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.012 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.59 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 75.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 610 REMARK 3 BIN R VALUE (WORKING SET) : 0.2310 REMARK 3 BIN FREE R VALUE : 0.3070 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 37 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.050 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2090 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 82 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 30.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.48000 REMARK 3 B22 (A**2) : -3.21000 REMARK 3 B33 (A**2) : 0.73000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : 0.22 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.35 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.42 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.880 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.150 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.890 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.710 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.440 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.40 REMARK 3 BSOL : 43.88 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 3BG4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 28-NOV-07. REMARK 100 THE DEPOSITION ID IS D_1000045477. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-NOV-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL41XU REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7343 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 83.8 REMARK 200 DATA REDUNDANCY : 3.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.11400 REMARK 200 FOR THE DATA SET : 17.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.59 REMARK 200 COMPLETENESS FOR SHELL (%) : 82.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.25600 REMARK 200 FOR SHELL : 4.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: EPMR REMARK 200 STARTING MODEL: 1CHO REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.31 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS-HCL, 0.2M MGCL2, 30% PEG REMARK 280 4000, PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K 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 22.13700 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 61.28500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 21.99600 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 61.28500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.13700 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 21.99600 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 8620 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12090 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -76.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 GLY A 12 REMARK 465 LEU A 13 REMARK 465 VAL D 1 REMARK 465 ASP D 2 REMARK 465 GLU D 3 REMARK 465 ASN D 4 REMARK 465 ALA D 5 REMARK 465 GLU D 6 REMARK 465 ASP D 7 REMARK 465 THR D 8 REMARK 465 HIS D 9 REMARK 465 GLY D 10 REMARK 465 LEU D 11 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 PRO B 28 C - N - CA ANGL. DEV. = 11.1 DEGREES 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 ASN B 48 -176.63 -176.47 REMARK 500 PHE B 71 -62.22 -130.53 REMARK 500 SER B 115 -153.96 -169.45 REMARK 500 ARG B 145 141.00 -170.89 REMARK 500 MET C 192 116.76 -39.61 REMARK 500 ASN C 204 81.17 16.69 REMARK 500 SER C 214 -73.85 -120.50 REMARK 500 GLU D 14 54.75 -90.56 REMARK 500 LYS D 15 172.43 172.32 REMARK 500 MET D 36 36.90 -67.10 REMARK 500 REMARK 500 REMARK: NULL DBREF 3BG4 A 1 13 UNP P00766 CTRA_BOVIN 1 13 DBREF 3BG4 B 16 146 UNP P00766 CTRA_BOVIN 16 146 DBREF 3BG4 C 149 245 UNP P00766 CTRA_BOVIN 149 245 DBREF 3BG4 D 1 57 UNP P46443 GUAM_HIRNI 1 57 SEQRES 1 A 13 CYS GLY VAL PRO ALA ILE GLN PRO VAL LEU SER GLY LEU SEQRES 1 B 131 ILE VAL ASN GLY GLU GLU ALA VAL PRO GLY SER TRP PRO SEQRES 2 B 131 TRP GLN VAL SER LEU GLN ASP LYS THR GLY PHE HIS PHE SEQRES 3 B 131 CYS GLY GLY SER LEU ILE ASN GLU ASN TRP VAL VAL THR SEQRES 4 B 131 ALA ALA HIS CYS GLY VAL THR THR SER ASP VAL VAL VAL SEQRES 5 B 131 ALA GLY GLU PHE ASP GLN GLY SER SER SER GLU LYS ILE SEQRES 6 B 131 GLN LYS LEU LYS ILE ALA LYS VAL PHE LYS ASN SER LYS SEQRES 7 B 131 TYR ASN SER LEU THR ILE ASN ASN ASP ILE THR LEU LEU SEQRES 8 B 131 LYS LEU SER THR ALA ALA SER PHE SER GLN THR VAL SER SEQRES 9 B 131 ALA VAL CYS LEU PRO SER ALA SER ASP ASP PHE ALA ALA SEQRES 10 B 131 GLY THR THR CYS VAL THR THR GLY TRP GLY LEU THR ARG SEQRES 11 B 131 TYR SEQRES 1 C 97 ALA ASN THR PRO ASP ARG LEU GLN GLN ALA SER LEU PRO SEQRES 2 C 97 LEU LEU SER ASN THR ASN CYS LYS LYS TYR TRP GLY THR SEQRES 3 C 97 LYS ILE LYS ASP ALA MET ILE CYS ALA GLY ALA SER GLY SEQRES 4 C 97 VAL SER SER CYS MET GLY ASP SER GLY GLY PRO LEU VAL SEQRES 5 C 97 CYS LYS LYS ASN GLY ALA TRP THR LEU VAL GLY ILE VAL SEQRES 6 C 97 SER TRP GLY SER SER THR CYS SER THR SER THR PRO GLY SEQRES 7 C 97 VAL TYR ALA ARG VAL THR ALA LEU VAL ASN TRP VAL GLN SEQRES 8 C 97 GLN THR LEU ALA ALA ASN SEQRES 1 D 57 VAL ASP GLU ASN ALA GLU ASP THR HIS GLY LEU CYS GLY SEQRES 2 D 57 GLU LYS THR CYS SER PRO ALA GLN VAL CYS LEU ASN ASN SEQRES 3 D 57 GLU CYS ALA CYS THR ALA ILE ARG CYS MET ILE PHE CYS SEQRES 4 D 57 PRO ASN GLY PHE LYS VAL ASP GLU ASN GLY CYS GLU TYR SEQRES 5 D 57 PRO CYS THR CYS ALA FORMUL 5 HOH *82(H2 O) HELIX 1 1 ALA B 55 GLY B 59 5 5 HELIX 2 2 SER C 164 GLY C 173 1 10 HELIX 3 3 THR C 174 ILE C 176 5 3 HELIX 4 4 VAL C 231 ASN C 245 1 15 SHEET 1 A 6 GLU B 20 GLU B 21 0 SHEET 2 A 6 GLN C 156 LEU C 163 -1 O GLN C 157 N GLU B 20 SHEET 3 A 6 THR B 135 GLY B 140 -1 N CYS B 136 O LEU C 160 SHEET 4 A 6 PRO C 198 LYS C 203 -1 O VAL C 200 N VAL B 137 SHEET 5 A 6 ALA C 206 SER C 217 -1 O THR C 208 N CYS C 201 SHEET 6 A 6 ILE D 33 CYS D 35 -1 O ARG D 34 N GLY C 216 SHEET 1 B 6 GLU B 20 GLU B 21 0 SHEET 2 B 6 GLN C 156 LEU C 163 -1 O GLN C 157 N GLU B 20 SHEET 3 B 6 MET C 180 GLY C 184 -1 O CYS C 182 N LEU C 163 SHEET 4 B 6 PRO C 225 ARG C 230 -1 O TYR C 228 N ILE C 181 SHEET 5 B 6 ALA C 206 SER C 217 -1 N TRP C 215 O VAL C 227 SHEET 6 B 6 ILE D 33 CYS D 35 -1 O ARG D 34 N GLY C 216 SHEET 1 C 7 GLN B 30 GLN B 34 0 SHEET 2 C 7 HIS B 40 LEU B 46 -1 O CYS B 42 N LEU B 33 SHEET 3 C 7 TRP B 51 THR B 54 -1 O VAL B 53 N SER B 45 SHEET 4 C 7 THR B 104 LEU B 108 -1 O LEU B 106 N VAL B 52 SHEET 5 C 7 GLN B 81 LYS B 90 -1 N LYS B 87 O LYS B 107 SHEET 6 C 7 VAL B 65 ALA B 68 -1 N VAL B 66 O LEU B 83 SHEET 7 C 7 GLN B 30 GLN B 34 -1 N SER B 32 O VAL B 67 SHEET 1 D 2 GLN D 21 CYS D 23 0 SHEET 2 D 2 CYS D 28 CYS D 30 -1 O ALA D 29 N VAL D 22 SHEET 1 E 2 PHE D 43 VAL D 45 0 SHEET 2 E 2 GLU D 51 CYS D 56 -1 O TYR D 52 N LYS D 44 SSBOND 1 CYS A 1 CYS B 122 1555 1555 2.04 SSBOND 2 CYS B 42 CYS B 58 1555 1555 2.03 SSBOND 3 CYS B 136 CYS C 201 1555 1555 2.03 SSBOND 4 CYS C 168 CYS C 182 1555 1555 2.03 SSBOND 5 CYS C 191 CYS C 220 1555 1555 2.04 SSBOND 6 CYS D 12 CYS D 23 1555 1555 2.04 SSBOND 7 CYS D 17 CYS D 28 1555 1555 2.03 SSBOND 8 CYS D 30 CYS D 50 1555 1555 2.03 SSBOND 9 CYS D 35 CYS D 54 1555 1555 2.03 SSBOND 10 CYS D 39 CYS D 56 1555 1555 2.03 CRYST1 44.274 43.992 122.570 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 0.022587 0.000000 0.000000 0.00000 SCALE2 0.000000 0.022731 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008159 0.00000