HEADER HYDROLASE 03-MAY-24 9BOK TITLE CRYSTAL STRUCTURE OF REDUCED BOVINE TRYPSIN, 50MM DTT-TREATED COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATIONIC TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BETA-TRYPSIN; COMPND 5 EC: 3.4.21.4; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 EXPRESSION_SYSTEM: BOS TAURUS; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 9913 KEYWDS REDUCED TRYPSIN, DTT, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR D.ZHOU,L.CHEN,J.P.ROSE,B.C.WANG REVDAT 2 16-OCT-24 9BOK 1 REMARK REVDAT 1 07-AUG-24 9BOK 0 JRNL AUTH D.ZHOU,L.CHEN,J.P.ROSE,B.C.WANG JRNL TITL CRYSTAL STRUCTURE OF REDUCED BOVINE TRYPSIN, 50MM JRNL TITL 2 DTT-TREATED JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.35 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.21_5207 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 26.38 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.270 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.7 REMARK 3 NUMBER OF REFLECTIONS : 38006 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.172 REMARK 3 R VALUE (WORKING SET) : 0.170 REMARK 3 FREE R VALUE : 0.192 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.120 REMARK 3 FREE R VALUE TEST SET COUNT : 1945 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 26.3800 - 3.2400 1.00 2997 162 0.1585 0.1907 REMARK 3 2 3.2400 - 2.5800 1.00 2879 155 0.1749 0.1918 REMARK 3 3 2.5700 - 2.2500 1.00 2822 147 0.1667 0.1772 REMARK 3 4 2.2500 - 2.0400 0.99 2813 150 0.1635 0.1720 REMARK 3 5 2.0400 - 1.9000 0.99 2795 149 0.1601 0.1813 REMARK 3 6 1.9000 - 1.7900 0.98 2724 154 0.1699 0.1981 REMARK 3 7 1.7900 - 1.7000 0.98 2709 145 0.1721 0.1808 REMARK 3 8 1.7000 - 1.6200 0.97 2717 147 0.1795 0.2076 REMARK 3 9 1.6200 - 1.5600 0.94 2601 144 0.1774 0.2033 REMARK 3 10 1.5600 - 1.5100 0.93 2586 141 0.1889 0.2342 REMARK 3 11 1.5100 - 1.4600 0.87 2436 128 0.1893 0.2503 REMARK 3 12 1.4600 - 1.4200 0.80 2227 112 0.2071 0.2000 REMARK 3 13 1.4200 - 1.3800 0.74 2041 112 0.2132 0.2384 REMARK 3 14 1.3800 - 1.3500 0.62 1714 99 0.2499 0.2282 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.121 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 19.541 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.23 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.45 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.005 1669 REMARK 3 ANGLE : 0.807 2263 REMARK 3 CHIRALITY : 0.083 254 REMARK 3 PLANARITY : 0.007 291 REMARK 3 DIHEDRAL : 11.772 587 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9BOK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-MAY-24. REMARK 100 THE DEPOSITION ID IS D_1000283770. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-DEC-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 40294 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.350 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.1 REMARK 200 DATA REDUNDANCY : 5.700 REMARK 200 R MERGE (I) : 0.06400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 23.9400 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) : 1.37 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.78600 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: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37.39 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.96 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M IMIDAZOLE PH 7.0, 30% PEG-8000, REMARK 280 0.3M AMMONIUM SULFATE, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 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+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 35.71867 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 71.43733 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 71.43733 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 35.71867 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: 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 639 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 642 LIES ON A SPECIAL POSITION. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 584 O HOH A 618 1.33 REMARK 500 O HOH A 585 O HOH A 634 1.50 REMARK 500 O HOH A 588 O HOH A 620 1.51 REMARK 500 O GLY A 211 HN22 BEN A 301 1.59 REMARK 500 O HOH A 599 O HOH A 623 1.61 REMARK 500 O HOH A 612 O HOH A 628 1.66 REMARK 500 O HOH A 560 O HOH A 619 1.71 REMARK 500 O HOH A 560 O HOH A 640 1.71 REMARK 500 O HOH A 611 O HOH A 613 1.73 REMARK 500 O HOH A 512 O HOH A 578 1.79 REMARK 500 O HOH A 583 O HOH A 597 1.79 REMARK 500 O HOH A 572 O HOH A 617 1.80 REMARK 500 O HOH A 421 O HOH A 601 1.80 REMARK 500 O HOH A 571 O HOH A 626 1.80 REMARK 500 O HOH A 459 O HOH A 603 1.81 REMARK 500 O HOH A 536 O HOH A 579 1.81 REMARK 500 O HOH A 619 O HOH A 640 1.81 REMARK 500 O HOH A 566 O HOH A 586 1.84 REMARK 500 O HOH A 600 O HOH A 608 1.92 REMARK 500 NE ARG A 114 O HOH A 401 1.93 REMARK 500 O HOH A 410 O HOH A 575 1.94 REMARK 500 O HOH A 580 O HOH A 592 1.97 REMARK 500 O HOH A 594 O HOH A 630 1.97 REMARK 500 O HOH A 557 O HOH A 606 1.97 REMARK 500 O HOH A 426 O HOH A 534 1.98 REMARK 500 O HOH A 621 O HOH A 648 2.00 REMARK 500 O HOH A 511 O HOH A 580 2.01 REMARK 500 N GLY A 190 O HOH A 402 2.01 REMARK 500 NE2 GLN A 189 O HOH A 403 2.03 REMARK 500 O HOH A 458 O HOH A 576 2.08 REMARK 500 O HOH A 429 O HOH A 619 2.09 REMARK 500 O HOH A 611 O HOH A 644 2.11 REMARK 500 NZ LYS A 106 O HOH A 404 2.12 REMARK 500 OG SER A 237 O HOH A 405 2.13 REMARK 500 SG CYS A 188 O HOH A 598 2.14 REMARK 500 NE2 GLN A 214 O HOH A 406 2.15 REMARK 500 SG CYS A 212 O HOH A 598 2.15 REMARK 500 O HOH A 524 O HOH A 549 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 602 O HOH A 608 5444 1.36 REMARK 500 O HOH A 561 O HOH A 593 4555 1.46 REMARK 500 O HOH A 546 O HOH A 593 5544 1.64 REMARK 500 O HOH A 600 O HOH A 602 5544 1.67 REMARK 500 O HOH A 578 O HOH A 581 4655 1.72 REMARK 500 O HOH A 541 O HOH A 599 5444 1.86 REMARK 500 O HOH A 512 O HOH A 622 4655 1.91 REMARK 500 O HOH A 571 O HOH A 577 4655 1.95 REMARK 500 O HOH A 627 O HOH A 633 4655 1.98 REMARK 500 O HOH A 546 O HOH A 561 3544 2.15 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 ASP A 68 -78.93 -117.10 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 650 DISTANCE = 6.04 ANGSTROMS DBREF 9BOK A 16 238 UNP P00760 TRY1_BOVIN 24 246 SEQRES 1 A 223 ILE VAL GLY GLY TYR THR CYS GLY ALA ASN THR VAL PRO SEQRES 2 A 223 TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY SEQRES 3 A 223 GLY SER LEU ILE ASN SER GLN TRP VAL VAL SER ALA ALA SEQRES 4 A 223 HIS CYS TYR LYS SER GLY ILE GLN VAL ARG LEU GLY GLU SEQRES 5 A 223 ASP ASN ILE ASN VAL VAL GLU GLY ASN GLU GLN PHE ILE SEQRES 6 A 223 SER ALA SER LYS SER ILE VAL HIS PRO SER TYR ASN SER SEQRES 7 A 223 ASN THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU LYS SEQRES 8 A 223 SER ALA ALA SER LEU ASN SER ARG VAL ALA SER ILE SER SEQRES 9 A 223 LEU PRO THR SER CYS ALA SER ALA GLY THR GLN CYS LEU SEQRES 10 A 223 ILE SER GLY TRP GLY ASN THR LYS SER SER GLY THR SER SEQRES 11 A 223 TYR PRO ASP VAL LEU LYS CYS LEU LYS ALA PRO ILE LEU SEQRES 12 A 223 SER ASP SER SER CYS LYS SER ALA TYR PRO GLY GLN ILE SEQRES 13 A 223 THR SER ASN MET PHE CYS ALA GLY TYR LEU GLU GLY GLY SEQRES 14 A 223 LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 A 223 CYS SER GLY LYS LEU GLN GLY ILE VAL SER TRP GLY SER SEQRES 16 A 223 GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR LYS SEQRES 17 A 223 VAL CYS ASN TYR VAL SER TRP ILE LYS GLN THR ILE ALA SEQRES 18 A 223 SER ASN HET BEN A 301 17 HETNAM BEN BENZAMIDINE FORMUL 2 BEN C7 H8 N2 FORMUL 3 HOH *250(H2 O) HELIX 1 AA1 ALA A 53 TYR A 57 5 5 HELIX 2 AA2 SER A 159 TYR A 167 1 9 HELIX 3 AA3 TYR A 227 SER A 237 1 11 SHEET 1 AA1 7 TYR A 20 THR A 21 0 SHEET 2 AA1 7 LYS A 151 PRO A 156 -1 O CYS A 152 N TYR A 20 SHEET 3 AA1 7 GLN A 130 GLY A 135 -1 N ILE A 133 O LEU A 153 SHEET 4 AA1 7 PRO A 195 CYS A 198 -1 O VAL A 197 N LEU A 132 SHEET 5 AA1 7 LYS A 201 TRP A 208 -1 O LYS A 201 N CYS A 198 SHEET 6 AA1 7 GLY A 219 LYS A 223 -1 O VAL A 220 N TRP A 208 SHEET 7 AA1 7 MET A 175 ALA A 178 -1 N PHE A 176 O TYR A 221 SHEET 1 AA2 7 GLN A 30 ASN A 34 0 SHEET 2 AA2 7 HIS A 38 ASN A 46 -1 O CYS A 40 N LEU A 33 SHEET 3 AA2 7 TRP A 49 SER A 52 -1 O TRP A 49 N ILE A 45 SHEET 4 AA2 7 MET A 101 LEU A 105 -1 O ILE A 103 N VAL A 50 SHEET 5 AA2 7 GLN A 78 VAL A 87 -1 N ILE A 86 O LEU A 102 SHEET 6 AA2 7 GLN A 62 LEU A 65 -1 N VAL A 63 O ILE A 80 SHEET 7 AA2 7 GLN A 30 ASN A 34 -1 N ASN A 34 O GLN A 62 SSBOND 1 CYS A 22 CYS A 152 1555 1555 2.04 SSBOND 2 CYS A 40 CYS A 56 1555 1555 2.04 SSBOND 3 CYS A 131 CYS A 198 1555 1555 2.02 SSBOND 4 CYS A 163 CYS A 177 1555 1555 2.04 CRYST1 54.428 54.428 107.156 90.00 90.00 120.00 P 31 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 0.018373 0.010608 0.000000 0.00000 SCALE2 0.000000 0.021215 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009332 0.00000