HEADER HYDROLASE/HYDROLASE INHIBITOR 24-JUN-93 1POP TITLE X-RAY CRYSTALLOGRAPHIC STRUCTURE OF A PAPAIN-LEUPEPTIN COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: PAPAIN; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.22.2; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: LEUPEPTIN; COMPND 8 CHAIN: B; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CARICA PAPAYA; SOURCE 3 ORGANISM_COMMON: PAPAYA; SOURCE 4 ORGANISM_TAXID: 3649; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: STREPTOMYCES ROSEUS; SOURCE 7 ORGANISM_TAXID: 66430; SOURCE 8 STRAIN: MA 839-A1 KEYWDS HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR E.SCHRODER,C.CRAWFORD REVDAT 8 29-NOV-17 1POP 1 HELIX REVDAT 7 02-APR-14 1POP 1 SOURCE REVDAT 6 13-JUL-11 1POP 1 VERSN REVDAT 5 25-AUG-09 1POP 1 SOURCE REVDAT 4 24-FEB-09 1POP 1 VERSN REVDAT 3 01-APR-03 1POP 1 JRNL REVDAT 2 20-JUL-95 1POP 3 ATOM REVDAT 1 31-OCT-93 1POP 0 JRNL AUTH E.SCHRODER,C.PHILLIPS,E.GARMAN,K.HARLOS,C.CRAWFORD JRNL TITL X-RAY CRYSTALLOGRAPHIC STRUCTURE OF A PAPAIN-LEUPEPTIN JRNL TITL 2 COMPLEX. JRNL REF FEBS LETT. V. 315 38 1993 JRNL REFN ISSN 0014-5793 JRNL PMID 8416808 JRNL DOI 10.1016/0014-5793(93)81128-M REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH I.G.KAMPHUIS,K.H.KALK,M.B.A.SWARTE,J.DRENTH REMARK 1 TITL THE STRUCTURE OF PAPAIN REFINED AT 1.65 ANGSTROMS REMARK 1 REF J.MOL.BIOL. V. 179 233 1984 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL 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 : NULL 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) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL 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 : 1685 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 48 REMARK 3 SOLVENT ATOMS : 175 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) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 2.330 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 1POP 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_1000175771. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 22.46000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 25.48500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 52.48000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 25.48500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.46000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 52.48000 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: 3720 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9730 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -20.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 400 REMARK 400 COMPOUND REMARK 400 THE LEUPEPTIN IS COVALENTLY CONNECTED REMARK 400 TO ACTIVE_SITE CYS 25 OF THE ENZYME TO REMARK 400 FORM A HEMITHIOACETAL. REMARK 400 REMARK 400 THE LEUPEPTIN IS OLIGOPEPTIDE, A MEMBER OF ENZYME INHIBITOR CLASS. REMARK 400 REMARK 400 GROUP: 1 REMARK 400 NAME: LEUPEPTIN REMARK 400 CHAIN: B REMARK 400 COMPONENT_1: PEPTIDE LIKE POLYMER REMARK 400 DESCRIPTION: NULL 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 HZ1 LYS A 39 H2 HOH A 222 1.19 REMARK 500 HD22 ASN A 18 H1 HOH A 262 1.35 REMARK 500 SG CYS A 25 C AR7 B 303 1.80 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 8 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 TYR A 78 -56.81 -126.26 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 TYR A 203 0.07 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN B OF LEUPEPTIN REMARK 999 REMARK 999 SEQUENCE REMARK 999 THERE IS A DISCREPANCY IN THE NORINE AND PDB NUMBERING, AS NORINE REMARK 999 COUNTS ACE AND LEU TOGETHER AS ONE RESIDUE. SO THE DBREF WILL REMARK 999 REPORT 4 PDB RESIDUES MATCHING NORINE 3 RESIDUE DBREF 1POP A 1 212 UNP P00784 PAPA_CARPA 134 345 DBREF 1POP B 300 303 NOR NOR00487 NOR00487 1 3 SEQADV 1POP GLN A 47 UNP P00784 GLU 180 CONFLICT SEQADV 1POP GLN A 118 UNP P00784 GLU 251 CONFLICT SEQADV 1POP 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 SEQRES 1 B 4 ACE LEU LEU AR7 HET ACE B 300 3 HET AR7 B 303 17 HET MOH A 409 3 HET MOH A 410 3 HET MOH A 411 3 HET MOH A 412 3 HET MOH A 413 3 HET MOH A 414 3 HET MOH A 415 3 HET MOH A 416 3 HET MOH A 417 3 HET MOH A 418 3 HET MOH A 420 3 HET MOH A 421 3 HET MOH A 422 3 HET MOH A 423 3 HET MOH A 424 3 HET MOH A 426 3 HET MOH A 427 3 HET MOH A 428 3 HET MOH A 429 3 HET MOH A 430 3 HET MOH A 431 3 HET MOH A 432 3 HET MOH A 434 3 HET MOH B 419 3 HETNAM ACE ACETYL GROUP HETNAM AR7 AMINO{[(4S)-4-AMINO-5,5- HETNAM 2 AR7 DIHYDROXYPENTYL]AMINO}METHANIMINIUM HETNAM MOH METHANOL FORMUL 2 ACE C2 H4 O FORMUL 2 AR7 C6 H17 N4 O2 1+ FORMUL 3 MOH 24(C H4 O) FORMUL 27 HOH *175(H2 O) HELIX 1 L1 SER A 24 GLY A 43 1DISRUPTION IN THE CENTER 20 HELIX 2 L2 GLU A 50 ASP A 57 1 8 HELIX 3 L3 TYR A 67 TYR A 78 1 12 HELIX 4 R1 ASN A 117 GLN A 128 1 12 HELIX 5 R2 GLY A 138 LEU A 143 1 6 SHEET 1 S1 4 VAL A 5 TRP A 7 0 SHEET 2 S1 4 VAL A 164 GLY A 167 -1 O TYR A 166 N VAL A 5 SHEET 3 S1 4 TYR A 170 ASN A 175 -1 O LEU A 172 N VAL A 164 SHEET 4 S1 4 GLY A 185 ARG A 191 -1 O ILE A 187 N ILE A 173 SHEET 1 S2 4 ASP A 108 VAL A 113 0 SHEET 2 S2 4 SER A 206 VAL A 210 -1 O TYR A 208 N ARG A 111 SHEET 3 S2 4 VAL A 130 LEU A 134 -1 O SER A 131 N PHE A 207 SHEET 4 S2 4 ASP A 158 ALA A 163 -1 O VAL A 161 N VAL A 132 SSBOND 1 CYS A 22 CYS A 63 1555 1555 2.04 SSBOND 2 CYS A 56 CYS A 95 1555 1555 2.01 SSBOND 3 CYS A 153 CYS A 200 1555 1555 2.02 LINK C ACE B 300 N LEU B 301 1555 1555 1.33 LINK C LEU B 302 N AR7 B 303 1555 1555 1.33 CISPEP 1 GLY A 151 PRO A 152 0 0.61 SITE 1 CAT 2 CYS A 25 HIS A 159 SITE 1 AC1 11 GLN A 19 GLY A 23 SER A 24 CYS A 25 SITE 2 AC1 11 TRP A 26 ASN A 64 GLY A 65 GLY A 66 SITE 3 AC1 11 TYR A 67 ASP A 158 HOH B 437 CRYST1 44.920 104.960 50.970 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 0.022262 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009527 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019619 0.00000