PDB Short entry for 1BP4 HEADER HYDROLASE 12-AUG-98 1BP4 TITLE USE OF PAPAIN AS A MODEL FOR THE STRUCTURE-BASED DESIGN OF CATHEPSIN K TITLE 2 INHIBITORS. CRYSTAL STRUCTURES OF TWO PAPAIN INHIBITOR COMPLEXES TITLE 3 DEMONSTRATE BINDING TO S'-SUBSITES. COMPND MOL_ID: 1; COMPND 2 MOLECULE: PAPAIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: NON; COMPND 5 OTHER_DETAILS: ALDEHYDE INHIBITOR COVALENTLY BOUND TO ACTIVE SITE CYS COMPND 6 25 AS A HEMIMERCAPTAL. BOND OCCURS BETWEEN CYS 25-SG AND ALD 213-C22 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CARICA PAPAYA; SOURCE 3 ORGANISM_COMMON: PAPAYA; SOURCE 4 ORGANISM_TAXID: 3649 KEYWDS HYDROLASE, SULFHYDRYL PROTEINASE 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 7 09-AUG-23 1BP4 1 REMARK SEQADV REVDAT 6 07-MAR-18 1BP4 1 REMARK REVDAT 5 09-NOV-16 1BP4 1 REMARK REVDAT 4 08-FEB-12 1BP4 1 REMARK VERSN REVDAT 3 24-FEB-09 1BP4 1 VERSN REVDAT 2 01-APR-03 1BP4 1 JRNL REVDAT 1 12-AUG-99 1BP4 0 JRNL AUTH J.M.LALONDE,B.ZHAO,W.W.SMITH,C.A.JANSON,R.L.DESJARLAIS, JRNL AUTH 2 T.A.TOMASZEK,T.J.CARR,S.K.THOMPSON,H.J.OH,D.S.YAMASHITA, JRNL AUTH 3 D.F.VEBER,S.S.ABDEL-MEGUID JRNL TITL USE OF PAPAIN AS A MODEL FOR THE STRUCTURE-BASED DESIGN OF JRNL TITL 2 CATHEPSIN K INHIBITORS: CRYSTAL STRUCTURES OF TWO JRNL TITL 3 PAPAIN-INHIBITOR COMPLEXES DEMONSTRATE BINDING TO JRNL TITL 4 S'-SUBSITES. JRNL REF J.MED.CHEM. V. 41 4567 1998 JRNL REFN ISSN 0022-2623 JRNL PMID 9804696 JRNL DOI 10.1021/JM980249F REMARK 2 REMARK 2 RESOLUTION. 2.20 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) : 2.20 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) (%) : 81.0 REMARK 3 NUMBER OF REFLECTIONS : 12955 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.190 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.200 REMARK 3 FREE R VALUE TEST SET COUNT : 727 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) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.30 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 28.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 654 REMARK 3 BIN R VALUE (WORKING SET) : 0.2690 REMARK 3 BIN FREE R VALUE : 0.2790 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 3.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 58 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 : 1655 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 34 REMARK 3 SOLVENT ATOMS : 88 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.70 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.529 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.74 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.387 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) : 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 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: DISORDERED SIDE-CHAINS HAVE OCCUPANCIES REMARK 3 SET TO ZERO IN COORDINATE FILE, RESIDUES 59,73,78,84,93,94,98, REMARK 3 111,114,129,145 REMARK 4 REMARK 4 1BP4 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_1000171976. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JUN-95 REMARK 200 TEMPERATURE (KELVIN) : 287 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 6 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 : MONOCHROMATOR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XENGEN REMARK 200 DATA SCALING SOFTWARE : XENGEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14458 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 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 (%) : 95.0 REMARK 200 DATA REDUNDANCY : 4.300 REMARK 200 R MERGE (I) : 0.10400 REMARK 200 R SYM (I) : 0.08800 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.34 REMARK 200 COMPLETENESS FOR SHELL (%) : 60.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.30 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.27000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: 1PIP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.5 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 50.27000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 25.37000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 50.27000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 25.37000 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 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 ARG A 59 CD NE CZ NH1 NH2 REMARK 480 GLN A 73 CG CD OE1 NE2 REMARK 480 TYR A 78 CG CD1 CD2 CE1 CE2 CZ OH REMARK 480 ASN A 84 CG OD1 ND2 REMARK 480 ARG A 93 NE CZ NH1 NH2 REMARK 480 TYR A 94 CD1 CD2 CE1 CE2 CZ OH REMARK 480 ARG A 98 CG CD NE CZ NH1 NH2 REMARK 480 ARG A 111 CD NE CZ NH1 NH2 REMARK 480 GLN A 114 CD OE1 NE2 REMARK 480 LYS A 139 CD CE NZ REMARK 480 ARG A 145 CG CD NE CZ NH1 NH2 REMARK 480 LYS A 156 CD CE NZ 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 SG CYS A 25 C22 ALD A 301 1.76 REMARK 500 NE2 GLN A 73 NE2 GLN A 77 2.05 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 NZ LYS A 139 O ARG A 191 4444 1.44 REMARK 500 N ILE A 1 O VAL A 150 4454 2.08 REMARK 500 NZ LYS A 139 CA GLY A 192 4444 2.17 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 ARG A 98 NE - CZ - NH2 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG A 191 NE - CZ - NH2 ANGL. DEV. = 3.4 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 GLN A 77 -65.32 -97.26 REMARK 500 ARG A 93 -144.31 -106.65 REMARK 500 ASP A 158 21.08 -158.59 REMARK 500 REMARK 500 REMARK: NULL REMARK 630 REMARK 630 MOLECULE TYPE: PEPTIDE-LIKE INHIBITOR REMARK 630 MOLECULE NAME: N-[(BENZYLOXY)CARBONYL]-L-LEUCYL-N-[(2S)-1-HYDROXY- REMARK 630 4-METHYLPENTAN-2-YL]-L-LEUCINAMIDE REMARK 630 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 630 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 630 REMARK 630 M RES C SSSEQI REMARK 630 ALD A 301 REMARK 630 SOURCE: NULL REMARK 630 TAXONOMY: NULL REMARK 630 SUBCOMP: PHQ LEU LEU DCL REMARK 630 DETAILS: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC TRIAD REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ALD A 213 DBREF 1BP4 A 1 212 UNP P00784 PAPA1_CARPA 134 345 SEQADV 1BP4 GLN A 47 UNP P00784 GLU 180 CONFLICT SEQADV 1BP4 GLN A 118 UNP P00784 GLU 251 CONFLICT SEQADV 1BP4 GLN A 135 UNP P00784 GLU 268 CONFLICT SEQRES 1 A 212 ILE PRO GLU TYR VAL ASP TRP ARG GLN LYS GLY ALA VAL SEQRES 2 A 212 THR PRO VAL LYS ASN GLN GLY SER CYS GLY SER CYS TRP SEQRES 3 A 212 ALA PHE SER ALA VAL VAL THR ILE GLU GLY ILE ILE LYS SEQRES 4 A 212 ILE ARG THR GLY ASN LEU ASN GLN TYR SER GLU GLN GLU SEQRES 5 A 212 LEU LEU ASP CYS ASP ARG ARG SER TYR GLY CYS ASN GLY SEQRES 6 A 212 GLY TYR PRO TRP SER ALA LEU GLN LEU VAL ALA GLN TYR SEQRES 7 A 212 GLY ILE HIS TYR ARG ASN THR TYR PRO TYR GLU GLY VAL SEQRES 8 A 212 GLN ARG TYR CYS ARG SER ARG GLU LYS GLY PRO TYR ALA SEQRES 9 A 212 ALA LYS THR ASP GLY VAL ARG GLN VAL GLN PRO TYR ASN SEQRES 10 A 212 GLN GLY ALA LEU LEU TYR SER ILE ALA ASN GLN PRO VAL SEQRES 11 A 212 SER VAL VAL LEU GLN ALA ALA GLY LYS ASP PHE GLN LEU SEQRES 12 A 212 TYR ARG GLY GLY ILE PHE VAL GLY PRO CYS GLY ASN LYS SEQRES 13 A 212 VAL ASP HIS ALA VAL ALA ALA VAL GLY TYR GLY PRO ASN SEQRES 14 A 212 TYR ILE LEU ILE LYS ASN SER TRP GLY THR GLY TRP GLY SEQRES 15 A 212 GLU ASN GLY TYR ILE ARG ILE LYS ARG GLY THR GLY ASN SEQRES 16 A 212 SER TYR GLY VAL CYS GLY LEU TYR THR SER SER PHE TYR SEQRES 17 A 212 PRO VAL LYS ASN HET ALD A 301 34 HETNAM ALD N-[(BENZYLOXY)CARBONYL]-L-LEUCYL-N-[(2S)-1-HYDROXY-4- HETNAM 2 ALD METHYLPENTAN-2-YL]-L-LEUCINAMIDE FORMUL 2 ALD C26 H43 N3 O5 FORMUL 3 HOH *88(H2 O) HELIX 1 1 TRP A 7 LYS A 10 5 4 HELIX 2 2 CYS A 25 THR A 42 1 18 HELIX 3 3 GLU A 50 CYS A 56 1 7 HELIX 4 4 GLY A 62 ASN A 64 5 3 HELIX 5 5 PRO A 68 TYR A 78 1 11 HELIX 6 6 GLN A 118 ILE A 125 1 8 HELIX 7 7 LYS A 139 GLN A 142 1 4 HELIX 8 8 VAL A 199 GLY A 201 5 3 SHEET 1 A 2 GLY A 109 GLN A 112 0 SHEET 2 A 2 PHE A 207 VAL A 210 -1 N VAL A 210 O GLY A 109 SHEET 1 B 4 VAL A 130 LEU A 134 0 SHEET 2 B 4 HIS A 159 GLY A 167 -1 N ALA A 163 O VAL A 130 SHEET 3 B 4 TYR A 170 LYS A 174 -1 N LYS A 174 O ALA A 162 SHEET 4 B 4 TYR A 186 LYS A 190 -1 N ILE A 189 O ILE A 171 SSBOND 1 CYS A 22 CYS A 63 1555 1555 2.04 SSBOND 2 CYS A 56 CYS A 95 1555 1555 2.03 SSBOND 3 CYS A 153 CYS A 200 1555 1555 2.04 CISPEP 1 GLY A 151 PRO A 152 0 0.34 SITE 1 CAT 3 CYS A 25 HIS A 159 ASN A 175 SITE 1 AC1 13 GLN A 19 GLY A 20 SER A 21 GLY A 23 SITE 2 AC1 13 SER A 24 CYS A 25 ASN A 64 GLY A 65 SITE 3 AC1 13 GLN A 142 ASP A 158 HIS A 159 TRP A 177 SITE 4 AC1 13 HOH A 412 CRYST1 100.540 50.740 62.280 90.00 99.90 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 0.009946 0.000000 0.001736 0.00000 SCALE2 0.000000 0.019708 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016299 0.00000