HEADER HYDROLASE/HYDROLASE INHIBITOR 24-MAY-05 1ZSR TITLE CRYSTAL STRUCTURE OF WILD TYPE HIV-1 PROTEASE (BRU ISOLATE) WITH A TITLE 2 HYDROXYETHYLAMINE PEPTIDOMIMETIC INHIBITOR BOC-PHE-PSI[S-CH(OH) TITLE 3 CH2NH]-PHE-GLU-PHE-NH2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEASE RETROPEPSIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: HIV-1 PROTEASE; COMPND 5 EC: 3.4.23.16; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1; SOURCE 3 ORGANISM_TAXID: 11676; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PT7Q10H1N KEYWDS HIV, PROTEASE, PEPTIDOMIMETIC INHIBITOR, HYDROLASE-HYDROLASE KEYWDS 2 INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR T.SKALOVA,J.DOHNALEK,J.DUSKOVA,H.PETROKOVA,J.HASEK REVDAT 5 15-NOV-23 1ZSR 1 REMARK REVDAT 4 23-AUG-23 1ZSR 1 REMARK SHEET LINK REVDAT 3 13-JUL-11 1ZSR 1 VERSN REVDAT 2 24-FEB-09 1ZSR 1 VERSN REVDAT 1 25-APR-06 1ZSR 0 JRNL AUTH J.DUSKOVA,J.DOHNALEK,T.SKALOVA,H.PETROKOVA,E.VONDRACKOVA, JRNL AUTH 2 M.HRADILEK,J.KONVALINKA,M.SOUCEK,J.BRYNDA,M.FABRY, JRNL AUTH 3 J.SEDLACEK,J.HASEK JRNL TITL ON THE ROLE OF THE R CONFIGURATION OF THE JRNL TITL 2 REACTION-INTERMEDIATE ISOSTERE IN HIV-1 PROTEASE-INHIBITOR JRNL TITL 3 BINDING: X-RAY STRUCTURE AT 2.0 A RESOLUTION. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 62 489 2006 JRNL REFN ISSN 0907-4449 JRNL PMID 16627941 JRNL DOI 10.1107/S0907444906006718 REMARK 2 REMARK 2 RESOLUTION. 2.06 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.06 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.0 REMARK 3 NUMBER OF REFLECTIONS : 10960 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : R-FREE STATISTIC THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.202 REMARK 3 FREE R VALUE : 0.284 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 545 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) : 2.06 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.15 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2407 REMARK 3 BIN FREE R VALUE : 0.2887 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 26 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 : 1518 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 51 REMARK 3 SOLVENT ATOMS : 152 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.19700 REMARK 3 B22 (A**2) : -0.19700 REMARK 3 B33 (A**2) : 0.39300 REMARK 3 B12 (A**2) : -0.50800 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 6.00 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) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.650 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.081 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.275 ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 3.874 ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.786 ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : JIANG & BRUNGER, 1994 REMARK 3 KSOL : 0.40 REMARK 3 BSOL : 101.4 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: USED MAXIMUM LIKELIHOOD REFINEMENT REMARK 3 PROCEDURE AGAINST F VALUES. THE CLASSICAL CRYSTALLOGRAPHIC REMARK 3 RESIDUAL USED AS TARGET FUNCTION IN THE FINAL REFINEMENT CYCLE. REMARK 4 REMARK 4 1ZSR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-JUN-05. REMARK 100 THE DEPOSITION ID IS D_1000033074. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-APR-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.3 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ELETTRA REMARK 200 BEAMLINE : 5.2R REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10981 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.060 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -999.00 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 200 DATA REDUNDANCY : 6.980 REMARK 200 R MERGE (I) : 0.07500 REMARK 200 R SYM (I) : 0.07500 REMARK 200 FOR THE DATA SET : 26.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.06 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 69.8 REMARK 200 DATA REDUNDANCY IN SHELL : 4.50 REMARK 200 R MERGE FOR SHELL (I) : 0.30500 REMARK 200 R SYM FOR SHELL (I) : 0.30500 REMARK 200 FOR SHELL : 4.980 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1IIQ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.13 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1 M AMMONIUM PHOSPHATE, 0.1 M NA REMARK 280 CITRATE, 3 MG/ML PROTEIN, PH 4.3, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 280K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 27.40733 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 54.81467 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 41.11100 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 68.51833 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 13.70367 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: 5510 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9220 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -26.0 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 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 LYS B 143 CG CD CE NZ 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 79 C - N - CA ANGL. DEV. = 9.5 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 PRO A 79 44.81 -67.65 REMARK 500 PRO B 179 35.38 -66.89 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 THE INHIBITOR 0ZT IS A PSEUDOPEPTIDE WITH THE HYDROXYETHYAMINE REMARK 600 ISOSTERE IN THE S CONFIGURATION REMARK 630 REMARK 630 MOLECULE TYPE: PEPTIDE-LIKE INHIBITOR REMARK 630 MOLECULE NAME: N-{(2S,3S)-3-[(TERT-BUTOXYCARBONYL)AMINO]-2-HYDROXY- REMARK 630 4-PHENYLBUTYL}-L-PHENYLALANYL-L-ALPHA-GLUTAMYL-L-PHENYLALANINAMIDE 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 0ZT A 201 REMARK 630 SOURCE: NULL REMARK 630 TAXONOMY: NULL REMARK 630 SUBCOMP: BOC R00 GLU PHE NH2 REMARK 630 DETAILS: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 0ZT A 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FQX RELATED DB: PDB REMARK 900 COMPLEX OF HIV-1 PROTEASE WITH A RELATED INHIBITOR (WT-SE) REMARK 900 RELATED ID: 1M0B RELATED DB: PDB REMARK 900 COMPLEX OF HIV-1 PROTEASE WITH A RELATED INHIBITOR (WT-OE) REMARK 900 RELATED ID: 1LZQ RELATED DB: PDB REMARK 900 COMPLEX OF HIV-1 PROTEASE WITH A RELATED INHIBITOR (I8-OE) REMARK 900 RELATED ID: 1IIQ RELATED DB: PDB REMARK 900 COMPLEX OF HIV-1 PROTEASE WITH A RELATED INHIBITOR (WT-SQ) REMARK 900 RELATED ID: 1Z8C RELATED DB: PDB REMARK 900 COMPLEX OF HIV-1 PROTEASE WITH A RELATED INHIBITOR (I11-RE) REMARK 900 RELATED ID: 1ZBG RELATED DB: PDB REMARK 900 COMPLEX OF HIV-1 PROTEASE WITH A RELATED INHIBITOR (I8-RE) REMARK 900 RELATED ID: 1ZJ7 RELATED DB: PDB REMARK 900 RELATED ID: 1ZLF RELATED DB: PDB REMARK 900 RELATED ID: 1ZPK RELATED DB: PDB REMARK 900 RELATED ID: 1ZSF RELATED DB: PDB DBREF 1ZSR A 1 99 UNP P03367 POL_HV1BR 69 167 DBREF 1ZSR B 101 199 UNP P03367 POL_HV1BR 69 167 SEQRES 1 A 99 PRO GLN ILE THR LEU TRP GLN ARG PRO LEU VAL THR ILE SEQRES 2 A 99 LYS ILE GLY GLY GLN LEU LYS GLU ALA LEU LEU ASP THR SEQRES 3 A 99 GLY ALA ASP ASP THR VAL LEU GLU GLU MET SER LEU PRO SEQRES 4 A 99 GLY ARG TRP LYS PRO LYS MET ILE GLY GLY ILE GLY GLY SEQRES 5 A 99 PHE ILE LYS VAL ARG GLN TYR ASP GLN ILE LEU ILE GLU SEQRES 6 A 99 ILE CSO GLY HIS LYS ALA ILE GLY THR VAL LEU VAL GLY SEQRES 7 A 99 PRO THR PRO VAL ASN ILE ILE GLY ARG ASN LEU LEU THR SEQRES 8 A 99 GLN ILE GLY CYS THR LEU ASN PHE SEQRES 1 B 99 PRO GLN ILE THR LEU TRP GLN ARG PRO LEU VAL THR ILE SEQRES 2 B 99 LYS ILE GLY GLY GLN LEU LYS GLU ALA LEU LEU ASP THR SEQRES 3 B 99 GLY ALA ASP ASP THR VAL LEU GLU GLU MET SER LEU PRO SEQRES 4 B 99 GLY ARG TRP LYS PRO LYS MET ILE GLY GLY ILE GLY GLY SEQRES 5 B 99 PHE ILE LYS VAL ARG GLN TYR ASP GLN ILE LEU ILE GLU SEQRES 6 B 99 ILE CSO GLY HIS LYS ALA ILE GLY THR VAL LEU VAL GLY SEQRES 7 B 99 PRO THR PRO VAL ASN ILE ILE GLY ARG ASN LEU LEU THR SEQRES 8 B 99 GLN ILE GLY CYS THR LEU ASN PHE MODRES 1ZSR CSO A 67 CYS S-HYDROXYCYSTEINE MODRES 1ZSR CSO B 167 CYS S-HYDROXYCYSTEINE HET CSO A 67 7 HET CSO B 167 7 HET 0ZT A 201 102 HETNAM CSO S-HYDROXYCYSTEINE HETNAM 0ZT N-{(2S,3S)-3-[(TERT-BUTOXYCARBONYL)AMINO]-2-HYDROXY-4- HETNAM 2 0ZT PHENYLBUTYL}-L-PHENYLALANYL-L-ALPHA-GLUTAMYL-L- HETNAM 3 0ZT PHENYLALANINAMIDE FORMUL 1 CSO 2(C3 H7 N O3 S) FORMUL 3 0ZT C38 H49 N5 O8 FORMUL 4 HOH *152(H2 O) HELIX 1 1 GLY A 86 THR A 91 1 6 HELIX 2 2 GLN A 92 GLY A 94 5 3 HELIX 3 3 GLY B 186 THR B 191 1 6 SHEET 1 A 4 GLN A 2 ILE A 3 0 SHEET 2 A 4 THR B 196 ASN B 198 -1 O LEU B 197 N ILE A 3 SHEET 3 A 4 THR A 96 ASN A 98 -1 N ASN A 98 O THR B 196 SHEET 4 A 4 GLN B 102 THR B 104 -1 O ILE B 103 N LEU A 97 SHEET 1 B 8 LYS A 43 GLY A 49 0 SHEET 2 B 8 GLY A 52 ILE A 66 -1 O GLN A 58 N LYS A 43 SHEET 3 B 8 HIS A 69 VAL A 77 -1 O HIS A 69 N ILE A 66 SHEET 4 B 8 VAL A 32 LEU A 33 1 N LEU A 33 O LEU A 76 SHEET 5 B 8 ILE A 84 ILE A 85 -1 O ILE A 84 N VAL A 32 SHEET 6 B 8 GLN A 18 LEU A 24 1 N LEU A 23 O ILE A 85 SHEET 7 B 8 LEU A 10 ILE A 15 -1 N ILE A 13 O LYS A 20 SHEET 8 B 8 GLY A 52 ILE A 66 -1 O GLU A 65 N LYS A 14 SHEET 1 C 8 LYS B 143 GLY B 149 0 SHEET 2 C 8 GLY B 152 ILE B 166 -1 O VAL B 156 N LYS B 145 SHEET 3 C 8 HIS B 169 VAL B 177 -1 O HIS B 169 N ILE B 166 SHEET 4 C 8 VAL B 132 LEU B 133 1 N LEU B 133 O LEU B 176 SHEET 5 C 8 ILE B 184 ILE B 185 -1 O ILE B 184 N VAL B 132 SHEET 6 C 8 GLN B 118 LEU B 124 1 N LEU B 123 O ILE B 185 SHEET 7 C 8 LEU B 110 ILE B 115 -1 N ILE B 113 O LYS B 120 SHEET 8 C 8 GLY B 152 ILE B 166 -1 O GLU B 165 N LYS B 114 LINK C ILE A 66 N CSO A 67 1555 1555 1.33 LINK C CSO A 67 N GLY A 68 1555 1555 1.33 LINK C ILE B 166 N CSO B 167 1555 1555 1.33 LINK C CSO B 167 N GLY B 168 1555 1555 1.33 SITE 1 AC1 30 ASP A 25 GLY A 27 ALA A 28 ASP A 29 SITE 2 AC1 30 ASP A 30 ILE A 47 GLY A 48 GLY A 49 SITE 3 AC1 30 ILE A 50 PRO A 81 VAL A 82 ILE A 84 SITE 4 AC1 30 HOH A 301 HOH A 302 HOH A 303 HOH A 338 SITE 5 AC1 30 ARG B 108 ASP B 125 GLY B 127 ALA B 128 SITE 6 AC1 30 ASP B 129 ASP B 130 ILE B 147 GLY B 148 SITE 7 AC1 30 GLY B 149 ILE B 150 PRO B 181 VAL B 182 SITE 8 AC1 30 ILE B 184 HOH B 369 CRYST1 62.801 62.801 82.222 90.00 90.00 120.00 P 61 12 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 0.015923 0.009193 0.000000 0.00000 SCALE2 0.000000 0.018387 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012162 0.00000