HEADER HYDROLASE/HYDROLASE INHIBITOR 09-JAN-12 3VEQ TITLE A BINARY COMPLEX BETWWEN BOVINE PANCREATIC TRYPSIN AND A ENGINEERED TITLE 2 MUTANT TRYPSIN INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATIONIC TRYPSIN; COMPND 3 CHAIN: B; COMPND 4 SYNONYM: BETA-TRYPSIN, ALPHA-TRYPSIN CHAIN 1, ALPHA-TRYPSIN CHAIN 2; COMPND 5 EC: 3.4.21.4; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: CHYMOTRYPSIN INHIBITOR 3; COMPND 10 CHAIN: A; COMPND 11 SYNONYM: WCI-3; COMPND 12 ENGINEERED: YES; COMPND 13 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: BOVINE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21DE3; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-28A; SOURCE 10 MOL_ID: 2; SOURCE 11 ORGANISM_SCIENTIFIC: PSOPHOCARPUS TETRAGONOLOBUS; SOURCE 12 ORGANISM_COMMON: GOA BEAN; SOURCE 13 ORGANISM_TAXID: 3891; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 16 EXPRESSION_SYSTEM_STRAIN: BL21DE3; SOURCE 17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 18 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR U.SEN,S.MAJUMDER,S.KHAMRUI,J.DASGUPTA REVDAT 4 30-OCT-24 3VEQ 1 REMARK REVDAT 3 08-NOV-23 3VEQ 1 REMARK SEQADV LINK REVDAT 2 08-MAY-13 3VEQ 1 JRNL REVDAT 1 03-OCT-12 3VEQ 0 JRNL AUTH S.MAJUMDER,S.KHAMRUI,J.DASGUPTA,J.K.DATTAGUPTA,U.SEN JRNL TITL ROLE OF REMOTE SCAFFOLDING RESIDUES IN THE INHIBITORY LOOP JRNL TITL 2 PRE-ORGANIZATION, FLEXIBILITY, RIGIDIFICATION AND ENZYME JRNL TITL 3 INHIBITION OF SERINE PROTEASE INHIBITORS JRNL REF BIOCHIM.BIOPHYS.ACTA V.1824 882 2012 JRNL REFN ISSN 0006-3002 JRNL PMID 22709512 JRNL DOI 10.1016/J.BBAPAP.2012.04.009 REMARK 2 REMARK 2 RESOLUTION. 2.25 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) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.91 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1319403.810 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 90.8 REMARK 3 NUMBER OF REFLECTIONS : 14218 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) : 0.218 REMARK 3 FREE R VALUE : 0.274 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 712 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.010 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.25 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.39 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2339 REMARK 3 BIN R VALUE (WORKING SET) : 0.3190 REMARK 3 BIN FREE R VALUE : 0.3610 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 129 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.032 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2998 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 159 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 32.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 39.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 6.04000 REMARK 3 B22 (A**2) : -4.66000 REMARK 3 B33 (A**2) : -1.37000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -5.87000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.29 REMARK 3 ESD FROM SIGMAA (A) : 0.27 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) : 0.36 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.30 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.860 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) : 1.700 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.910 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.000 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.070 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.45 REMARK 3 BSOL : 63.14 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 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 3VEQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-JAN-12. REMARK 100 THE DEPOSITION ID IS D_1000069952. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-SEP-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL 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 : RIGAKU RU200 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 : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AUTOMAR REMARK 200 DATA SCALING SOFTWARE : AUTOMAR REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14218 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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 2QYI REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 34.37 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.87 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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+1/2,Y+1/2,Z 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 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 61.49850 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 19.91300 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 61.49850 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 19.91300 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2330 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15840 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -19.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, 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 LYS A 779 REMARK 465 SER A 780 REMARK 465 GLU A 781 REMARK 465 THR A 782 REMARK 465 ALA A 783 REMARK 465 SER A 784 REMARK 465 SER A 785 REMARK 465 HIS A 786 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 ASP B 68 -71.39 -137.79 REMARK 500 ASN B 112 -158.41 -138.13 REMARK 500 SER B 145 100.86 -165.06 REMARK 500 ASP B 186 173.32 179.43 REMARK 500 SER B 192 145.48 -39.30 REMARK 500 SER B 207 -83.95 -110.23 REMARK 500 ALA B 213 20.06 47.48 REMARK 500 ASP A 605 -136.16 -121.09 REMARK 500 ASP A 606 -91.28 -101.63 REMARK 500 ALA A 610 40.97 -89.69 REMARK 500 GLU A 611 19.49 -156.45 REMARK 500 TRP A 628 20.55 -68.58 REMARK 500 ALA A 629 -153.40 -107.83 REMARK 500 HIS A 630 -95.65 53.50 REMARK 500 ASN A 641 40.81 -106.00 REMARK 500 PRO A 645 93.28 -56.87 REMARK 500 PRO A 673 150.19 -46.91 REMARK 500 SER A 687 -47.03 86.27 REMARK 500 LYS A 721 139.35 -170.63 REMARK 500 SER A 728 -9.38 73.44 REMARK 500 ASN A 729 -19.80 61.64 REMARK 500 ASP A 741 -85.67 -76.41 REMARK 500 GLU A 743 4.03 56.71 REMARK 500 ASP A 744 100.42 -165.40 REMARK 500 CYS A 747 55.43 -97.35 REMARK 500 ASP A 756 -169.52 -78.99 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 67 OE1 REMARK 620 2 ASN B 69 O 88.3 REMARK 620 3 VAL B 72 O 160.3 79.9 REMARK 620 4 GLU B 77 OE2 102.8 154.7 94.3 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2QYI RELATED DB: PDB REMARK 900 RELATED ID: 3I29 RELATED DB: PDB DBREF 3VEQ B 16 238 UNP P00760 TRY1_BOVIN 24 246 DBREF 3VEQ A 604 786 UNP P10822 ICW3_PSOTE 25 207 SEQADV 3VEQ VAL B 118 UNP P00760 ILE 126 ENGINEERED MUTATION SEQADV 3VEQ ALA B 199 UNP P00760 SER 207 ENGINEERED MUTATION SEQADV 3VEQ ARG A 668 UNP P10822 LEU 89 ENGINEERED MUTATION SEQRES 1 B 223 ILE VAL GLY GLY TYR THR CYS GLY ALA ASN THR VAL PRO SEQRES 2 B 223 TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY SEQRES 3 B 223 GLY SER LEU ILE ASN SER GLN TRP VAL VAL SER ALA ALA SEQRES 4 B 223 HIS CYS TYR LYS SER GLY ILE GLN VAL ARG LEU GLY GLU SEQRES 5 B 223 ASP ASN ILE ASN VAL VAL GLU GLY ASN GLU GLN PHE ILE SEQRES 6 B 223 SER ALA SER LYS SER ILE VAL HIS PRO SER TYR ASN SER SEQRES 7 B 223 ASN THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU LYS SEQRES 8 B 223 SER ALA ALA SER LEU ASN SER ARG VAL ALA SER VAL SER SEQRES 9 B 223 LEU PRO THR SER CYS ALA SER ALA GLY THR GLN CYS LEU SEQRES 10 B 223 ILE SER GLY TRP GLY ASN THR LYS SER SER GLY THR SER SEQRES 11 B 223 TYR PRO ASP VAL LEU LYS CYS LEU LYS ALA PRO ILE LEU SEQRES 12 B 223 SER ASP SER SER CYS LYS SER ALA TYR PRO GLY GLN ILE SEQRES 13 B 223 THR SER ASN MET PHE CYS ALA GLY TYR LEU GLU GLY GLY SEQRES 14 B 223 LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 B 223 CYS ALA GLY LYS LEU GLN GLY ILE VAL SER TRP GLY SER SEQRES 16 B 223 GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR LYS SEQRES 17 B 223 VAL CYS ASN TYR VAL SER TRP ILE LYS GLN THR ILE ALA SEQRES 18 B 223 SER ASN SEQRES 1 A 183 ASP ASP ASP LEU VAL ASP ALA GLU GLY ASN LEU VAL GLU SEQRES 2 A 183 ASN GLY GLY THR TYR TYR LEU LEU PRO HIS ILE TRP ALA SEQRES 3 A 183 HIS GLY GLY GLY ILE GLU THR ALA LYS THR GLY ASN GLU SEQRES 4 A 183 PRO CYS PRO LEU THR VAL VAL ARG SER PRO ASN GLU VAL SEQRES 5 A 183 SER LYS GLY GLU PRO ILE ARG ILE SER SER GLN PHE ARG SEQRES 6 A 183 SER LEU PHE ILE PRO ARG GLY SER LEU VAL ALA LEU GLY SEQRES 7 A 183 PHE ALA ASN PRO PRO SER CYS ALA ALA SER PRO TRP TRP SEQRES 8 A 183 THR VAL VAL ASP SER PRO GLN GLY PRO ALA VAL LYS LEU SEQRES 9 A 183 SER GLN GLN LYS LEU PRO GLU LYS ASP ILE LEU VAL PHE SEQRES 10 A 183 LYS PHE GLU LYS VAL SER HIS SER ASN ILE HIS VAL TYR SEQRES 11 A 183 LYS LEU LEU TYR CYS GLN HIS ASP GLU GLU ASP VAL LYS SEQRES 12 A 183 CYS ASP GLN TYR ILE GLY ILE HIS ARG ASP ARG ASN GLY SEQRES 13 A 183 ASN ARG ARG LEU VAL VAL THR GLU GLU ASN PRO LEU GLU SEQRES 14 A 183 LEU VAL LEU LEU LYS ALA LYS SER GLU THR ALA SER SER SEQRES 15 A 183 HIS HET CA B 301 1 HETNAM CA CALCIUM ION FORMUL 3 CA CA 2+ FORMUL 4 HOH *159(H2 O) HELIX 1 1 ALA B 53 TYR B 57 5 5 HELIX 2 2 SER B 159 TYR B 167 1 9 HELIX 3 3 TYR B 227 SER B 237 1 11 HELIX 4 4 PRO A 713 LEU A 718 1 6 SHEET 1 A 7 TYR B 20 THR B 21 0 SHEET 2 A 7 LYS B 151 PRO B 156 -1 O CYS B 152 N TYR B 20 SHEET 3 A 7 GLN B 130 GLY B 135 -1 N ILE B 133 O LEU B 153 SHEET 4 A 7 PRO B 195 CYS B 198 -1 O VAL B 197 N LEU B 132 SHEET 5 A 7 LYS B 201 TRP B 208 -1 O LYS B 201 N CYS B 198 SHEET 6 A 7 GLY B 219 LYS B 223 -1 O VAL B 220 N TRP B 208 SHEET 7 A 7 MET B 175 ALA B 178 -1 N PHE B 176 O TYR B 221 SHEET 1 B 7 GLN B 30 ASN B 34 0 SHEET 2 B 7 HIS B 38 LEU B 44 -1 O CYS B 40 N LEU B 33 SHEET 3 B 7 TRP B 49 SER B 52 -1 O VAL B 51 N SER B 43 SHEET 4 B 7 MET B 101 LEU B 105 -1 O ILE B 103 N VAL B 50 SHEET 5 B 7 GLN B 78 VAL B 87 -1 N ILE B 86 O LEU B 102 SHEET 6 B 7 GLN B 62 LEU B 65 -1 N VAL B 63 O ILE B 80 SHEET 7 B 7 GLN B 30 ASN B 34 -1 N ASN B 34 O GLN B 62 SHEET 1 C 6 ALA A 679 PHE A 682 0 SHEET 2 C 6 ILE A 661 SER A 664 -1 N ARG A 662 O GLY A 681 SHEET 3 C 6 GLY A 619 PRO A 625 -1 N TYR A 621 O ILE A 661 SHEET 4 C 6 GLU A 772 LYS A 777 -1 O LEU A 776 N TYR A 622 SHEET 5 C 6 TYR A 733 GLN A 739 -1 N TYR A 733 O LEU A 773 SHEET 6 C 6 PHE A 720 LYS A 724 -1 N GLU A 723 O LYS A 734 SHEET 1 D 7 ALA A 679 PHE A 682 0 SHEET 2 D 7 ILE A 661 SER A 664 -1 N ARG A 662 O GLY A 681 SHEET 3 D 7 GLY A 619 PRO A 625 -1 N TYR A 621 O ILE A 661 SHEET 4 D 7 GLU A 772 LYS A 777 -1 O LEU A 776 N TYR A 622 SHEET 5 D 7 TYR A 733 GLN A 739 -1 N TYR A 733 O LEU A 773 SHEET 6 D 7 LYS A 746 ARG A 755 -1 O GLN A 749 N TYR A 737 SHEET 7 D 7 ARG A 761 THR A 766 -1 O VAL A 764 N GLY A 752 SHEET 1 E 2 ILE A 634 ALA A 637 0 SHEET 2 E 2 THR A 647 ARG A 650 -1 O VAL A 649 N GLU A 635 SHEET 1 F 2 THR A 695 SER A 699 0 SHEET 2 F 2 GLY A 702 LYS A 706 -1 O GLY A 702 N SER A 699 SSBOND 1 CYS B 22 CYS B 152 1555 1555 2.03 SSBOND 2 CYS B 40 CYS B 56 1555 1555 2.04 SSBOND 3 CYS B 124 CYS B 225 1555 1555 2.04 SSBOND 4 CYS B 131 CYS B 198 1555 1555 2.03 SSBOND 5 CYS B 163 CYS B 177 1555 1555 2.03 SSBOND 6 CYS B 188 CYS B 212 1555 1555 2.03 SSBOND 7 CYS A 644 CYS A 688 1555 1555 2.03 SSBOND 8 CYS A 738 CYS A 747 1555 1555 2.03 LINK OE1 GLU B 67 CA CA B 301 1555 1555 2.33 LINK O ASN B 69 CA CA B 301 1555 1555 2.37 LINK O VAL B 72 CA CA B 301 1555 1555 2.30 LINK OE2 GLU B 77 CA CA B 301 1555 1555 2.23 SITE 1 AC1 4 GLU B 67 ASN B 69 VAL B 72 GLU B 77 CRYST1 122.997 39.826 76.783 90.00 119.65 90.00 C 1 2 1 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 0.008130 0.000000 0.004628 0.00000 SCALE2 0.000000 0.025109 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014986 0.00000