PDB Short entry for 1PBH HEADER THIOL PROTEASE 14-FEB-97 1PBH TITLE CRYSTAL STRUCTURE OF HUMAN RECOMBINANT PROCATHEPSIN B AT 3.2 ANGSTROM TITLE 2 RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROCATHEPSIN B; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.22.1; 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 CELL_LINE: BL21; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3) PLYSS; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_VECTOR: PET3A; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: BL21 KEYWDS THIOL PROTEASE, CATHEPSIN B, CYSTEINE PROTEASE, PROENZYME, PAPAIN EXPDTA X-RAY DIFFRACTION AUTHOR M.PODOBNIK,D.TURK REVDAT 3 09-AUG-23 1PBH 1 SEQADV REVDAT 2 24-FEB-09 1PBH 1 VERSN REVDAT 1 25-FEB-98 1PBH 0 JRNL AUTH D.TURK,M.PODOBNIK,R.KUHELJ,M.DOLINAR,V.TURK JRNL TITL CRYSTAL STRUCTURES OF HUMAN PROCATHEPSIN B AT 3.2 AND 3.3 JRNL TITL 2 ANGSTROMS RESOLUTION REVEAL AN INTERACTION MOTIF BETWEEN A JRNL TITL 3 PAPAIN-LIKE CYSTEINE PROTEASE AND ITS PROPEPTIDE. JRNL REF FEBS LETT. V. 384 211 1996 JRNL REFN ISSN 0014-5793 JRNL PMID 8617355 JRNL DOI 10.1016/0014-5793(96)00309-2 REMARK 2 REMARK 2 RESOLUTION. 3.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : MAIN REMARK 3 AUTHORS : TURK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 5051 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.216 REMARK 3 FREE R VALUE : 0.252 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 2470 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) : NULL 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) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1PBH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000175585. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : OCT-95 REMARK 200 TEMPERATURE (KELVIN) : 283 REMARK 200 PH : 7.3 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM, CCP4 REMARK 200 DATA SCALING SOFTWARE : CCP4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 5151 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.200 REMARK 200 RESOLUTION RANGE LOW (A) : 8.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 88.5 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.16600 REMARK 200 R SYM (I) : 0.11500 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 3.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.30 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.1 REMARK 200 DATA REDUNDANCY IN SHELL : 4.90 REMARK 200 R MERGE FOR SHELL (I) : 0.11700 REMARK 200 R SYM FOR SHELL (I) : 0.27800 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MAIN REMARK 200 STARTING MODEL: PDB ENTRY 1HUC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 30% PEG REMARK 280 6000, 0.2 M AMMONIUM SULFATE, 0.1 M HEPES, PH 7.3 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 22.47500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 48.66500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.55000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 48.66500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.47500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 38.55000 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: 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 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 MET A 1A REMARK 475 ARG A 1P REMARK 475 SER A 2P REMARK 475 ARG A 3P REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 PRO A 4P CB CG CD REMARK 480 SER A 5P CB OG REMARK 480 PHE A 6P CB CG CD1 CD2 CE1 CE2 CZ REMARK 480 HIS A 7P CB CG ND1 CD2 CE1 NE2 REMARK 480 LYS A 50P CB CG CD CE NZ REMARK 480 ASP A 60P CB CG OD1 OD2 REMARK 480 LYS A 62P CB CG CD CE NZ REMARK 480 GLU A 9 CG CD OE1 OE2 REMARK 480 LYS A 18 CD CE NZ REMARK 480 LYS A 141 CD CE NZ REMARK 480 LYS A 144 CD CE NZ REMARK 480 ASP A 254 C O CB CG OD1 OD2 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 OD1 ASP A 60P ND2 ASN A 228 4555 1.69 REMARK 500 ND2 ASN A 47 O GLY A 211 4555 2.06 REMARK 500 O LYS A 62P CE1 TYR A 148 4455 2.08 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 PRO A 52P C - N - CD ANGL. DEV. = -16.6 DEGREES REMARK 500 PRO A 15 C - N - CA ANGL. DEV. = 11.2 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 ARG A 1P 83.39 -172.73 REMARK 500 SER A 5P -127.23 -156.23 REMARK 500 PHE A 6P -134.92 -156.77 REMARK 500 HIS A 7P 72.96 54.08 REMARK 500 PRO A 8P -147.46 -54.37 REMARK 500 SER A 10P -170.14 -58.26 REMARK 500 PRO A 52P -133.25 13.27 REMARK 500 GLN A 53P 112.91 -161.37 REMARK 500 ARG A 54P 97.52 -68.83 REMARK 500 VAL A 55P 82.91 -64.40 REMARK 500 GLU A 59P 108.74 156.37 REMARK 500 ASP A 60P 68.03 78.91 REMARK 500 LEU A 61P 87.29 -164.12 REMARK 500 PHE A 5 137.33 -170.92 REMARK 500 TRP A 11 75.95 -110.74 REMARK 500 SER A 25 59.26 -91.88 REMARK 500 ASN A 47 109.49 81.28 REMARK 500 ALA A 48 69.58 -51.56 REMARK 500 HIS A 49 8.17 -169.55 REMARK 500 CYS A 63 -72.18 -67.51 REMARK 500 GLU A 109 37.49 -74.01 REMARK 500 ASN A 113 139.79 6.38 REMARK 500 CYS A 128 96.41 -53.69 REMARK 500 LYS A 130 63.49 -68.48 REMARK 500 PRO A 138 -177.73 -45.05 REMARK 500 SER A 154 167.57 -48.79 REMARK 500 PRO A 169 153.59 -46.44 REMARK 500 VAL A 191 -65.57 -103.84 REMARK 500 ASN A 210 75.78 52.64 REMARK 500 ASN A 222 179.38 71.29 REMARK 500 GLN A 237 18.32 -145.39 REMARK 500 REMARK 500 REMARK: NULL DBREF 1PBH A 2 254 UNP P07858 CATB_HUMAN 18 333 SEQADV 1PBH LEU A 9P UNP P07858 VAL 26 CONFLICT SEQRES 1 A 317 MET ARG SER ARG PRO SER PHE HIS PRO LEU SER ASP GLU SEQRES 2 A 317 LEU VAL ASN TYR VAL ASN LYS ARG ASN THR THR TRP GLN SEQRES 3 A 317 ALA GLY HIS ASN PHE TYR ASN VAL ASP MET SER TYR LEU SEQRES 4 A 317 LYS ARG LEU CYS GLY THR PHE LEU GLY GLY PRO LYS PRO SEQRES 5 A 317 PRO GLN ARG VAL MET PHE THR GLU ASP LEU LYS LEU PRO SEQRES 6 A 317 ALA SER PHE ASP ALA ARG GLU GLN TRP PRO GLN CYS PRO SEQRES 7 A 317 THR ILE LYS GLU ILE ARG ASP GLN GLY SER CYS GLY SER SEQRES 8 A 317 CYS TRP ALA PHE GLY ALA VAL GLU ALA ILE SER ASP ARG SEQRES 9 A 317 ILE CYS ILE HIS THR ASN ALA HIS VAL SER VAL GLU VAL SEQRES 10 A 317 SER ALA GLU ASP LEU LEU THR CYS CYS GLY SER MET CYS SEQRES 11 A 317 GLY ASP GLY CYS ASN GLY GLY TYR PRO ALA GLU ALA TRP SEQRES 12 A 317 ASN PHE TRP THR ARG LYS GLY LEU VAL SER GLY GLY LEU SEQRES 13 A 317 TYR GLU SER HIS VAL GLY CYS ARG PRO TYR SER ILE PRO SEQRES 14 A 317 PRO CYS GLU HIS HIS VAL ASN GLY SER ARG PRO PRO CYS SEQRES 15 A 317 THR GLY GLU GLY ASP THR PRO LYS CYS SER LYS ILE CYS SEQRES 16 A 317 GLU PRO GLY TYR SER PRO THR TYR LYS GLN ASP LYS HIS SEQRES 17 A 317 TYR GLY TYR ASN SER TYR SER VAL SER ASN SER GLU LYS SEQRES 18 A 317 ASP ILE MET ALA GLU ILE TYR LYS ASN GLY PRO VAL GLU SEQRES 19 A 317 GLY ALA PHE SER VAL TYR SER ASP PHE LEU LEU TYR LYS SEQRES 20 A 317 SER GLY VAL TYR GLN HIS VAL THR GLY GLU MET MET GLY SEQRES 21 A 317 GLY HIS ALA ILE ARG ILE LEU GLY TRP GLY VAL GLU ASN SEQRES 22 A 317 GLY THR PRO TYR TRP LEU VAL ALA ASN SER TRP ASN THR SEQRES 23 A 317 ASP TRP GLY ASP ASN GLY PHE PHE LYS ILE LEU ARG GLY SEQRES 24 A 317 GLN ASP HIS CYS GLY ILE GLU SER GLU VAL VAL ALA GLY SEQRES 25 A 317 ILE PRO ARG THR ASP HELIX 1 1 GLU A 12P LYS A 19P 1 8 HELIX 2 2 MET A 35P LEU A 41P 1 7 HELIX 3 3 ALA A 7 GLN A 10 1 4 HELIX 4 4 PRO A 15 ILE A 17 5 3 HELIX 5 5 CYS A 29 HIS A 45 1 17 HELIX 6 6 ALA A 56 CYS A 62 1 7 HELIX 7 7 GLY A 70 ASN A 72 5 3 HELIX 8 8 PRO A 76 ARG A 85 1 10 HELIX 9 9 TYR A 140 ASP A 143 1 4 HELIX 10 10 GLU A 157 ASN A 167 1 11 HELIX 11 11 PHE A 180 LEU A 182 5 3 HELIX 12 12 HIS A 239 GLY A 241 5 3 SHEET 1 A 4 PHE A 230 LEU A 234 0 SHEET 2 A 4 PRO A 213 ALA A 218 -1 N VAL A 217 O PHE A 231 SHEET 3 A 4 MET A 195 VAL A 208 -1 N GLY A 207 O TYR A 214 SHEET 4 A 4 VAL A 170 TYR A 177 -1 N VAL A 176 O MET A 196 SHEET 1 B 2 TRP A 24P ALA A 26P 0 SHEET 2 B 2 TYR A 183 GLY A 186 -1 N SER A 185 O GLN A 25P SHEET 1 C 2 GLY A 147 SER A 152 0 SHEET 2 C 2 VAL A 247 PRO A 251 -1 N ILE A 250 O TYR A 148 SSBOND 1 CYS A 14 CYS A 43 1555 1555 2.03 SSBOND 2 CYS A 26 CYS A 71 1555 1555 2.03 SSBOND 3 CYS A 62 CYS A 128 1555 1555 2.03 SSBOND 4 CYS A 63 CYS A 67 1555 1555 2.03 SSBOND 5 CYS A 100 CYS A 132 1555 1555 2.02 SSBOND 6 CYS A 108 CYS A 119 1555 1555 2.03 CISPEP 1 SER A 137 PRO A 138 0 -0.09 CRYST1 44.950 77.100 97.330 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 0.022247 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012970 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010274 0.00000