HEADER PEPTIDE BINDING PROTEIN 03-JUN-25 9VA8 TITLE CRYSTAL STRUCTURE OF HUMAN CATHEPSIN B WITH A L-PEPTIDE SUBSTRATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATHEPSIN B; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: APP SECRETASE,APPS,CATHEPSIN B1; COMPND 5 EC: 3.4.22.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: (ACE)YY(F3V); COMPND 10 CHAIN: C; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CTSB, CPSB; SOURCE 6 EXPRESSION_SYSTEM: MAMMALIAN EXPRESSION VECTOR BSRGI-MCS-PCDNA3.1; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 2021187; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: HEK-293F; SOURCE 9 MOL_ID: 2; SOURCE 10 SYNTHETIC: YES; SOURCE 11 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 12 ORGANISM_TAXID: 32630 KEYWDS COVALENT INHIBITOR, PEPTIDE BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.LI,T.LI,K.CHEN REVDAT 1 06-MAY-26 9VA8 0 JRNL AUTH M.LI,K.CHEN,W.ZHANG,J.HAN,M.GUO,X.ZHU,J.ZHENG,T.LI,B.DANG JRNL TITL TRANSCENDING STEREOCHEMICAL BOUNDARIES: AMBIDEXTROUS JRNL TITL 2 CLEAVAGE OF D- AND L-PEPTIDE ENANTIOMERS BY NATURAL JRNL TITL 3 EUKARYOTIC PROTEASES JRNL REF VITA 2026 JRNL REFN ESSN 2097-7468 JRNL DOI 10.15302/VITA.2026.03.0022 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0419 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.37 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 35094 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 + TEST SET) : 0.180 REMARK 3 R VALUE (WORKING SET) : 0.178 REMARK 3 FREE R VALUE : 0.209 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 1784 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.54 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2488 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.94 REMARK 3 BIN R VALUE (WORKING SET) : 0.2530 REMARK 3 BIN FREE R VALUE SET COUNT : 138 REMARK 3 BIN FREE R VALUE : 0.2700 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1981 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 208 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 10.09 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.05000 REMARK 3 B22 (A**2) : -0.83000 REMARK 3 B33 (A**2) : 0.88000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.078 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.079 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.058 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.572 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.956 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.939 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2027 ; 0.011 ; 0.012 REMARK 3 BOND LENGTHS OTHERS (A): 1745 ; 0.001 ; 0.016 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2759 ; 1.732 ; 1.797 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4032 ; 0.623 ; 1.740 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 253 ; 6.979 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 12 ;11.613 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 281 ;11.901 ;10.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 276 ; 0.094 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2475 ; 0.010 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 481 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1015 ; 1.325 ; 0.974 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1015 ; 1.318 ; 0.974 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1267 ; 2.046 ; 1.743 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1268 ; 2.046 ; 1.745 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1012 ; 1.980 ; 1.149 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1013 ; 1.979 ; 1.150 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1493 ; 3.112 ; 2.020 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 2414 ; 4.291 ;13.660 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 2375 ; 4.228 ;12.850 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 9VA8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 06-JUN-25. REMARK 100 THE DEPOSITION ID IS D_1300060077. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-APR-25 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5-8.5 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 : CU FINE FOCUS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.50004 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : AGILENT ATLAS CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-3000 7.21 REMARK 200 DATA SCALING SOFTWARE : HKL-3000 7.21 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36878 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 28.400 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 4.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 23.9800 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.7 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.7.0 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.6 M AMMONIUM SULFATE, 0.1 M MES REMARK 280 MONOHYDRATE PH 6.5, 10% V/V 1,4-DIOXANE, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 291K 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 15.30850 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 48.82100 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.54800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 48.82100 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 15.30850 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.54800 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: 900 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11080 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -5.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C 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 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 ASP A 69 CG OD1 OD2 REMARK 480 LYS A 127 CG CD CE NZ REMARK 480 LYS A 158 CG CD CE NZ REMARK 480 LYS A 184 CE NZ REMARK 480 ASP A 254 CG OD1 OD2 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 69 50.21 -143.57 REMARK 500 ASN A 222 175.74 72.65 REMARK 500 CYS A 240 19.98 54.49 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 41 0.08 SIDE CHAIN REMARK 500 ARG A 252 0.20 SIDE CHAIN 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 503 DISTANCE = 6.14 ANGSTROMS REMARK 525 HOH A 504 DISTANCE = 6.47 ANGSTROMS REMARK 525 HOH A 505 DISTANCE = 10.64 ANGSTROMS DBREF 9VA8 A 1 254 UNP P07858 CATB_HUMAN 80 333 DBREF 9VA8 C 1 4 PDB 9VA8 9VA8 1 4 SEQADV 9VA8 ALA A 115 UNP P07858 SER 194 ENGINEERED MUTATION SEQADV 9VA8 ALA A 137 UNP P07858 SER 216 CONFLICT SEQRES 1 A 254 LEU PRO ALA SER PHE ASP ALA ARG GLU GLN TRP PRO GLN SEQRES 2 A 254 CYS PRO THR ILE LYS GLU ILE ARG ASP GLN GLY SER CYS SEQRES 3 A 254 GLY SER CYS TRP ALA PHE GLY ALA VAL GLU ALA ILE SER SEQRES 4 A 254 ASP ARG ILE CYS ILE HIS THR ASN ALA HIS VAL SER VAL SEQRES 5 A 254 GLU VAL SER ALA GLU ASP LEU LEU THR CYS CYS GLY SER SEQRES 6 A 254 MET CYS GLY ASP GLY CYS ASN GLY GLY TYR PRO ALA GLU SEQRES 7 A 254 ALA TRP ASN PHE TRP THR ARG LYS GLY LEU VAL SER GLY SEQRES 8 A 254 GLY LEU TYR GLU SER HIS VAL GLY CYS ARG PRO TYR SER SEQRES 9 A 254 ILE PRO PRO CYS GLU HIS HIS VAL ASN GLY ALA ARG PRO SEQRES 10 A 254 PRO CYS THR GLY GLU GLY ASP THR PRO LYS CYS SER LYS SEQRES 11 A 254 ILE CYS GLU PRO GLY TYR ALA PRO THR TYR LYS GLN ASP SEQRES 12 A 254 LYS HIS TYR GLY TYR ASN SER TYR SER VAL SER ASN SER SEQRES 13 A 254 GLU LYS ASP ILE MET ALA GLU ILE TYR LYS ASN GLY PRO SEQRES 14 A 254 VAL GLU GLY ALA PHE SER VAL TYR SER ASP PHE LEU LEU SEQRES 15 A 254 TYR LYS SER GLY VAL TYR GLN HIS VAL THR GLY GLU MET SEQRES 16 A 254 MET GLY GLY HIS ALA ILE ARG ILE LEU GLY TRP GLY VAL SEQRES 17 A 254 GLU ASN GLY THR PRO TYR TRP LEU VAL ALA ASN SER TRP SEQRES 18 A 254 ASN THR ASP TRP GLY ASP ASN GLY PHE PHE LYS ILE LEU SEQRES 19 A 254 ARG GLY GLN ASP HIS CYS GLY ILE GLU SER GLU VAL VAL SEQRES 20 A 254 ALA GLY ILE PRO ARG THR ASP SEQRES 1 C 4 ACE TYR TYR F3V HET ACE C 1 3 HET F3V C 4 5 HETNAM ACE ACETYL GROUP HETNAM F3V 1-AMINOPROPAN-2-ONE FORMUL 2 ACE C2 H4 O FORMUL 2 F3V C3 H7 N O FORMUL 3 HOH *208(H2 O) HELIX 1 AA1 ALA A 7 TRP A 11 1 5 HELIX 2 AA2 CYS A 14 GLU A 19 5 6 HELIX 3 AA3 SER A 28 THR A 46 1 19 HELIX 4 AA4 SER A 55 CYS A 63 1 9 HELIX 5 AA5 GLY A 64 CYS A 67 5 4 HELIX 6 AA6 ASP A 69 GLY A 73 5 5 HELIX 7 AA7 TYR A 75 LYS A 86 1 12 HELIX 8 AA8 TYR A 140 LYS A 144 5 5 HELIX 9 AA9 SER A 156 GLY A 168 1 13 HELIX 10 AB1 ASP A 179 TYR A 183 5 5 HELIX 11 AB2 ASP A 238 ILE A 242 5 5 SHEET 1 AA1 3 PHE A 5 ASP A 6 0 SHEET 2 AA1 3 MET A 195 GLU A 209 -1 O TRP A 206 N PHE A 5 SHEET 3 AA1 3 VAL A 170 TYR A 177 -1 N VAL A 176 O MET A 196 SHEET 1 AA2 5 PHE A 5 ASP A 6 0 SHEET 2 AA2 5 MET A 195 GLU A 209 -1 O TRP A 206 N PHE A 5 SHEET 3 AA2 5 THR A 212 ALA A 218 -1 O TYR A 214 N GLY A 207 SHEET 4 AA2 5 PHE A 230 LEU A 234 -1 O PHE A 231 N VAL A 217 SHEET 5 AA2 5 VAL A 187 TYR A 188 1 N TYR A 188 O LYS A 232 SHEET 1 AA3 2 TYR A 151 SER A 152 0 SHEET 2 AA3 2 VAL A 247 ALA A 248 -1 O ALA A 248 N TYR A 151 SSBOND 1 CYS A 14 CYS A 43 1555 1555 2.29 SSBOND 2 CYS A 26 CYS A 71 1555 1555 2.02 SSBOND 3 CYS A 62 CYS A 128 1555 1555 2.16 SSBOND 4 CYS A 63 CYS A 67 1555 1555 2.02 SSBOND 5 CYS A 100 CYS A 132 1555 1555 2.08 SSBOND 6 CYS A 108 CYS A 119 1555 1555 2.04 LINK SG CYS A 29 CM F3V C 4 1555 1555 1.80 LINK C ACE C 1 N TYR C 2 1555 1555 1.33 LINK C TYR C 3 N F3V C 4 1555 1555 1.32 CRYST1 30.617 75.096 97.642 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 0.032662 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013316 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010241 0.00000 CONECT 115 330 CONECT 207 523 CONECT 223 1982 CONECT 330 115 CONECT 471 955 CONECT 477 501 CONECT 501 477 CONECT 523 207 CONECT 746 984 CONECT 810 894 CONECT 894 810 CONECT 955 471 CONECT 984 746 CONECT 1951 1952 1953 1954 CONECT 1952 1951 CONECT 1953 1951 CONECT 1954 1951 CONECT 1968 1978 CONECT 1978 1968 1979 CONECT 1979 1978 1980 CONECT 1980 1979 1981 1982 CONECT 1981 1980 CONECT 1982 223 1980 MASTER 304 0 2 11 10 0 0 6 2189 2 23 21 END