HEADER HYDROLASE 27-OCT-98 1BY8 TITLE THE CRYSTAL STRUCTURE OF HUMAN PROCATHEPSIN K COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (PROCATHEPSIN K); COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.22.38; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HYDROLASE(SULFHYDRYL PROTEINASE), PAPAIN, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.M.LALONDE,B.ZHAO,W.W.SMITH,C.A.JANSON,R.L.DESJARLAIS,T.A.TOMASZEK, AUTHOR 2 T.J.CARR,S.K.THOMPSON,D.S.YAMASHITA,D.F.VEBER,S.S.ABDEL-MEQUID REVDAT 5 09-AUG-23 1BY8 1 REMARK REVDAT 4 04-OCT-17 1BY8 1 REMARK REVDAT 3 24-FEB-09 1BY8 1 VERSN REVDAT 2 01-APR-03 1BY8 1 JRNL REVDAT 1 24-OCT-99 1BY8 0 JRNL AUTH J.M.LALONDE,B.ZHAO,C.A.JANSON,K.J.D'ALESSIO,M.S.MCQUENEY, JRNL AUTH 2 M.J.ORSINI,C.M.DEBOUCK,W.W.SMITH JRNL TITL THE CRYSTAL STRUCTURE OF HUMAN PROCATHEPSIN K. JRNL REF BIOCHEMISTRY V. 38 862 1999 JRNL REFN ISSN 0006-2960 JRNL PMID 9893980 JRNL DOI 10.1021/BI9822271 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 64.0 REMARK 3 NUMBER OF REFLECTIONS : 11340 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) : 0.214 REMARK 3 FREE R VALUE : 0.344 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.700 REMARK 3 FREE R VALUE TEST SET COUNT : 894 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.72 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 7.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 108 REMARK 3 BIN R VALUE (WORKING SET) : 0.3590 REMARK 3 BIN FREE R VALUE : 0.4890 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 0.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 8 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2447 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.00 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.010 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 28.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.688 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : GROUP RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PR REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1BY8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-JUL-99. REMARK 100 THE DEPOSITION ID IS D_1000007327. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-AUG-96 REMARK 200 TEMPERATURE (KELVIN) : 287 REMARK 200 PH : 5.0 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 : SIEMENS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : X-GEN REMARK 200 DATA SCALING SOFTWARE : X-GEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12036 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 200 DATA REDUNDANCY : 4.500 REMARK 200 R MERGE (I) : 0.06900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.74 REMARK 200 COMPLETENESS FOR SHELL (%) : 58.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.40 REMARK 200 R MERGE FOR SHELL (I) : 0.32000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 13.50 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1AU0 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.33 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 8-10 % PEG 6000, 0.1M NA CITRATE, PH REMARK 280 5.0 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 48.13000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 48.13000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 28.39000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 78.27500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 28.39000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 78.27500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 48.13000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 28.39000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 78.27500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 48.13000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 28.39000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 78.27500 REMARK 290 SMTRY3 8 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: 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 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 LEU A 1 REMARK 465 TYR A 2 REMARK 465 PRO A 3 REMARK 465 GLU A 4 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 HIS A 18 -169.64 -113.53 REMARK 500 ARG A 19 33.51 -92.37 REMARK 500 ASN A 23 118.27 -30.04 REMARK 500 ASN A 24 107.57 79.16 REMARK 500 LYS A 25 -0.47 -49.68 REMARK 500 GLU A 28 -83.86 -41.18 REMARK 500 ILE A 29 -14.69 -49.26 REMARK 500 HIS A 62 17.73 -66.95 REMARK 500 MET A 66 -178.04 -55.21 REMARK 500 VAL A 72 -5.31 -59.78 REMARK 500 THR A 76 -134.46 -114.97 REMARK 500 VAL A 80 120.11 -35.11 REMARK 500 HIS A 84 -27.59 -161.69 REMARK 500 ARG A 86 -56.40 -160.11 REMARK 500 SER A 87 33.94 73.34 REMARK 500 ASN A 88 7.93 -179.87 REMARK 500 GLU A 95 151.41 -44.97 REMARK 500 GLU A 97 70.09 -61.65 REMARK 500 PRO A 101 -163.34 -55.84 REMARK 500 VAL A 130 11.73 -69.49 REMARK 500 LYS A 140 -30.37 -153.85 REMARK 500 LEU A 147 -171.01 -65.19 REMARK 500 ASP A 154 31.85 -95.68 REMARK 500 CYS A 155 -33.42 -138.99 REMARK 500 SER A 157 -22.51 -37.21 REMARK 500 ASP A 160 20.67 -62.42 REMARK 500 THR A 168 -9.61 -51.23 REMARK 500 GLN A 175 -74.83 -68.71 REMARK 500 ARG A 178 21.77 81.12 REMARK 500 ASP A 181 -166.52 -65.07 REMARK 500 GLU A 193 -156.28 -126.48 REMARK 500 CYS A 195 103.84 -53.70 REMARK 500 THR A 200 18.44 -66.33 REMARK 500 PRO A 213 153.20 -37.15 REMARK 500 ASN A 216 90.86 -52.82 REMARK 500 SER A 245 -50.59 -142.80 REMARK 500 GLU A 252 5.85 -58.39 REMARK 500 ASN A 258 72.02 -105.79 REMARK 500 VAL A 263 -166.22 -122.54 REMARK 500 GLN A 271 119.81 -163.56 REMARK 500 LYS A 275 -169.11 -71.54 REMARK 500 HIS A 276 -178.86 178.97 REMARK 500 TRP A 283 49.66 -106.91 REMARK 500 TRP A 287 166.07 -49.05 REMARK 500 CYS A 303 26.25 36.58 REMARK 500 REMARK 500 REMARK: NULL DBREF 1BY8 A 1 314 UNP P43235 CATK_HUMAN 16 329 SEQRES 1 A 314 LEU TYR PRO GLU GLU ILE LEU ASP THR HIS TRP GLU LEU SEQRES 2 A 314 TRP LYS LYS THR HIS ARG LYS GLN TYR ASN ASN LYS VAL SEQRES 3 A 314 ASP GLU ILE SER ARG ARG LEU ILE TRP GLU LYS ASN LEU SEQRES 4 A 314 LYS TYR ILE SER ILE HIS ASN LEU GLU ALA SER LEU GLY SEQRES 5 A 314 VAL HIS THR TYR GLU LEU ALA MET ASN HIS LEU GLY ASP SEQRES 6 A 314 MET THR SER GLU GLU VAL VAL GLN LYS MET THR GLY LEU SEQRES 7 A 314 LYS VAL PRO LEU SER HIS SER ARG SER ASN ASP THR LEU SEQRES 8 A 314 TYR ILE PRO GLU TRP GLU GLY ARG ALA PRO ASP SER VAL SEQRES 9 A 314 ASP TYR ARG LYS LYS GLY TYR VAL THR PRO VAL LYS ASN SEQRES 10 A 314 GLN GLY GLN CYS GLY SER CYS TRP ALA PHE SER SER VAL SEQRES 11 A 314 GLY ALA LEU GLU GLY GLN LEU LYS LYS LYS THR GLY LYS SEQRES 12 A 314 LEU LEU ASN LEU SER PRO GLN ASN LEU VAL ASP CYS VAL SEQRES 13 A 314 SER GLU ASN ASP GLY CYS GLY GLY GLY TYR MET THR ASN SEQRES 14 A 314 ALA PHE GLN TYR VAL GLN LYS ASN ARG GLY ILE ASP SER SEQRES 15 A 314 GLU ASP ALA TYR PRO TYR VAL GLY GLN GLU GLU SER CYS SEQRES 16 A 314 MET TYR ASN PRO THR GLY LYS ALA ALA LYS CYS ARG GLY SEQRES 17 A 314 TYR ARG GLU ILE PRO GLU GLY ASN GLU LYS ALA LEU LYS SEQRES 18 A 314 ARG ALA VAL ALA ARG VAL GLY PRO VAL SER VAL ALA ILE SEQRES 19 A 314 ASP ALA SER LEU THR SER PHE GLN PHE TYR SER LYS GLY SEQRES 20 A 314 VAL TYR TYR ASP GLU SER CYS ASN SER ASP ASN LEU ASN SEQRES 21 A 314 HIS ALA VAL LEU ALA VAL GLY TYR GLY ILE GLN LYS GLY SEQRES 22 A 314 ASN LYS HIS TRP ILE ILE LYS ASN SER TRP GLY GLU ASN SEQRES 23 A 314 TRP GLY ASN LYS GLY TYR ILE LEU MET ALA ARG ASN LYS SEQRES 24 A 314 ASN ASN ALA CYS GLY ILE ALA ASN LEU ALA SER PHE PRO SEQRES 25 A 314 LYS MET HELIX 1 1 ILE A 6 THR A 17 5 12 HELIX 2 2 LYS A 25 LEU A 51 1 27 HELIX 3 3 SER A 68 LYS A 74 1 7 HELIX 4 4 CYS A 124 THR A 141 1 18 HELIX 5 5 PRO A 149 VAL A 153 1 5 HELIX 6 6 GLY A 161 GLY A 163 5 3 HELIX 7 7 THR A 168 LYS A 176 1 9 HELIX 8 8 PRO A 199 GLY A 201 5 3 HELIX 9 9 GLU A 217 VAL A 227 1 11 HELIX 10 10 THR A 239 GLN A 242 1 4 HELIX 11 11 ALA A 302 GLY A 304 5 3 SHEET 1 A 2 TYR A 209 GLU A 211 0 SHEET 2 A 2 SER A 310 PRO A 312 -1 N PHE A 311 O ARG A 210 SHEET 1 B 2 VAL A 230 ILE A 234 0 SHEET 2 B 2 HIS A 261 ALA A 265 -1 N ALA A 265 O VAL A 230 SHEET 1 C 3 TYR A 268 GLN A 271 0 SHEET 2 C 3 ASN A 274 LYS A 280 -1 N HIS A 276 O GLY A 269 SHEET 3 C 3 TYR A 292 MET A 295 -1 N MET A 295 O TRP A 277 SHEET 1 D 2 TYR A 56 LEU A 58 0 SHEET 2 D 2 TYR A 244 GLY A 247 -1 N LYS A 246 O GLU A 57 SSBOND 1 CYS A 121 CYS A 162 1555 1555 2.03 SSBOND 2 CYS A 155 CYS A 195 1555 1555 2.03 SSBOND 3 CYS A 254 CYS A 303 1555 1555 2.03 CRYST1 56.780 156.550 96.260 90.00 90.00 90.00 C 2 2 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 0.017612 0.000000 0.000000 0.00000 SCALE2 0.000000 0.006388 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010389 0.00000