HEADER HYDROLASE/HYDROLASE INHIBITOR 28-APR-05 1ZJ7 TITLE CRYSTAL STRUCTURE OF A COMPLEX OF MUTANT HIV-1 PROTEASE (A71V, V82T, TITLE 2 I84V) WITH A HYDROXYETHYLAMINE PEPTIDOMIMETIC INHIBITOR BOC-PHE- TITLE 3 PSI[S-CH(OH)CH2NH]-PHE-GLU-PHE-NH2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEASE RETROPEPSIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HIV-1 PROTEASE; COMPND 5 EC: 3.4.23.16; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: 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: PET24A 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 7 23-AUG-23 1ZJ7 1 REMARK REVDAT 6 20-OCT-21 1ZJ7 1 REMARK SEQADV SHEET REVDAT 5 16-NOV-11 1ZJ7 1 HETATM REVDAT 4 13-JUL-11 1ZJ7 1 VERSN REVDAT 3 24-FEB-09 1ZJ7 1 VERSN REVDAT 2 21-NOV-06 1ZJ7 1 JRNL REVDAT 1 09-MAY-06 1ZJ7 0 JRNL AUTH T.SKALOVA,J.DOHNALEK,J.DUSKOVA,H.PETROKOVA,M.HRADILEK, JRNL AUTH 2 M.SOUCEK,J.KONVALINKA,J.HASEK JRNL TITL HIV-1 PROTEASE MUTATIONS AND INHIBITOR MODIFICATIONS JRNL TITL 2 MONITORED ON A SERIES OF COMPLEXES. STRUCTURAL BASIS FOR THE JRNL TITL 3 EFFECT OF THE A71V MUTATION ON THE ACTIVE SITE JRNL REF J.MED.CHEM. V. 49 5777 2006 JRNL REFN ISSN 0022-2623 JRNL PMID 16970402 JRNL DOI 10.1021/JM0605583 REMARK 2 REMARK 2 RESOLUTION. 1.93 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 1.93 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 86.4 REMARK 3 NUMBER OF REFLECTIONS : 6714 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 SET) : 0.229 REMARK 3 FREE R VALUE : 0.299 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.300 REMARK 3 FREE R VALUE TEST SET COUNT : 355 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) : 1.93 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.3574 REMARK 3 BIN FREE R VALUE : 0.3710 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 32 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 : 759 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 51 REMARK 3 SOLVENT ATOMS : 62 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 36.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.04600 REMARK 3 B22 (A**2) : 0.04600 REMARK 3 B33 (A**2) : -0.09200 REMARK 3 B12 (A**2) : 2.09100 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) : 0.31 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 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) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.707 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) : 2.316 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.881 ; 4.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.442 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.287 ; 5.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : AS IMPLEMENTED IN CNS 1.1 REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 78.09 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 ON AMPLITUDES AND LEAST SQUARES RESIDUAL ON AMPLITUDES. REMARK 4 REMARK 4 1ZJ7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-MAY-05. REMARK 100 THE DEPOSITION ID IS D_1000032775. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-APR-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9340 REMARK 200 MONOCHROMATOR : DIAMOND C 111 REMARK 200 OPTICS : MICROFOCUSING MIRRORS - TESTING REMARK 200 REMARK 200 DETECTOR TYPE : CCD 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 : 6784 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.930 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -999.00 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 87.6 REMARK 200 DATA REDUNDANCY : 6.700 REMARK 200 R MERGE (I) : 0.04800 REMARK 200 R SYM (I) : 0.04800 REMARK 200 FOR THE DATA SET : 28.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.93 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.4 REMARK 200 DATA REDUNDANCY IN SHELL : 6.50 REMARK 200 R MERGE FOR SHELL (I) : 0.43400 REMARK 200 R SYM FOR SHELL (I) : 0.43400 REMARK 200 FOR SHELL : 4.400 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: 1IIQ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 36.11 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.94 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M NA CITRATE, 0.5 M NACL, 10% REMARK 280 (V/V) GLYCEROL, PH 4.4, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 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 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-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 27.75100 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 55.50200 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 41.62650 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 69.37750 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 13.87550 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 27.75100 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 55.50200 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 69.37750 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 41.62650 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 13.87550 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: 7180 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 8860 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -29.0 KCAL/MOL 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 55.50200 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 301 LIES ON A SPECIAL POSITION. 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 41 CG CD NE CZ NH1 NH2 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 CYS A 67 -125.59 55.99 REMARK 500 PRO A 79 31.04 -70.65 REMARK 500 REMARK 500 REMARK: NULL 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 RELATED ID: 1M0B RELATED DB: PDB REMARK 900 RELATED ID: 1LZQ RELATED DB: PDB REMARK 900 RELATED ID: 1IIQ RELATED DB: PDB REMARK 900 RELATED ID: 1Z8C RELATED DB: PDB REMARK 900 RELATED ID: 1ZBG RELATED DB: PDB REMARK 900 RELATED ID: 1ZLF RELATED DB: PDB DBREF 1ZJ7 A 1 99 UNP P03367 POL_HV1BR 69 167 SEQADV 1ZJ7 VAL A 71 UNP P03367 ALA 139 ENGINEERED MUTATION SEQADV 1ZJ7 THR A 82 UNP P03367 VAL 150 ENGINEERED MUTATION SEQADV 1ZJ7 VAL A 84 UNP P03367 ILE 152 ENGINEERED MUTATION 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 CYS GLY HIS LYS VAL ILE GLY THR VAL LEU VAL GLY SEQRES 7 A 99 PRO THR PRO THR ASN VAL ILE GLY ARG ASN LEU LEU THR SEQRES 8 A 99 GLN ILE GLY CYS THR LEU ASN PHE HET 0ZT A 201 51 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 2 0ZT C38 H49 N5 O8 FORMUL 3 HOH *62(H2 O) HELIX 1 1 GLY A 86 THR A 91 1 6 SHEET 1 A 8 LYS A 43 GLY A 49 0 SHEET 2 A 8 GLY A 52 ILE A 66 -1 O ILE A 54 N ILE A 47 SHEET 3 A 8 HIS A 69 VAL A 77 -1 O VAL A 77 N ARG A 57 SHEET 4 A 8 VAL A 32 LEU A 33 1 N LEU A 33 O LEU A 76 SHEET 5 A 8 VAL A 84 ILE A 85 -1 O VAL A 84 N VAL A 32 SHEET 6 A 8 GLN A 18 LEU A 24 1 N LEU A 23 O ILE A 85 SHEET 7 A 8 LEU A 10 ILE A 15 -1 N ILE A 13 O LYS A 20 SHEET 8 A 8 GLY A 52 ILE A 66 -1 O GLU A 65 N LYS A 14 SITE 1 AC1 14 ARG A 8 ASP A 25 GLY A 27 ALA A 28 SITE 2 AC1 14 ASP A 29 ASP A 30 ILE A 47 GLY A 48 SITE 3 AC1 14 GLY A 49 ILE A 50 PHE A 53 PRO A 81 SITE 4 AC1 14 THR A 82 HOH A 301 CRYST1 62.859 62.859 83.253 90.00 90.00 120.00 P 61 2 2 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 0.015909 0.009185 0.000000 0.00000 SCALE2 0.000000 0.018370 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012012 0.00000