HEADER HYDROLASE/HYDROLASE INHIBITOR 17-APR-98 1BAI TITLE CRYSTAL STRUCTURE OF ROUS SARCOMA VIRUS PROTEASE IN COMPLEX WITH TITLE 2 INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEASE; COMPND 3 CHAIN: A, B SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ROUS SARCOMA VIRUS; SOURCE 3 ORGANISM_TAXID: 11886 KEYWDS PROTEIN-MEDIATED INTERACTION, VIRAL MATURATION, HYDROLASE-HYDROLASE KEYWDS 2 INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.WU,J.M.ADOMAT,T.W.RIDKY,J.M.LOUIS,J.LEIS,R.W.HARRISON,I.T.WEBER REVDAT 6 13-MAR-24 1BAI 1 COMPND SOURCE REVDAT 5 07-FEB-24 1BAI 1 REMARK SEQADV REVDAT 4 13-JUL-11 1BAI 1 VERSN REVDAT 3 24-FEB-09 1BAI 1 VERSN REVDAT 2 16-FEB-99 1BAI 1 COMPND REMARK KEYWDS HEADER REVDAT 1 13-JAN-99 1BAI 0 JRNL AUTH J.WU,J.M.ADOMAT,T.W.RIDKY,J.M.LOUIS,J.LEIS,R.W.HARRISON, JRNL AUTH 2 I.T.WEBER JRNL TITL STRUCTURAL BASIS FOR SPECIFICITY OF RETROVIRAL PROTEASES. JRNL REF BIOCHEMISTRY V. 37 4518 1998 JRNL REFN ISSN 0006-2960 JRNL PMID 9521772 JRNL DOI 10.1021/BI972183G REMARK 2 REMARK 2 RESOLUTION. 2.40 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) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 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) (%) : 76.8 REMARK 3 NUMBER OF REFLECTIONS : 9273 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) : 0.175 REMARK 3 FREE R VALUE : 0.293 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.51 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 852 REMARK 3 BIN R VALUE (WORKING SET) : 0.1750 REMARK 3 BIN FREE R VALUE : 0.2441 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 98 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 : 1910 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 59 REMARK 3 SOLVENT ATOMS : 85 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.50 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) : 0.018 REMARK 3 BOND ANGLES (DEGREES) : 2.560 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.59 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.120 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 : PARACSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1BAI 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_1000171527. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-AUG-96 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : NULL 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 : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : R-AXIS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9601 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 8.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 76.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.09430 REMARK 200 R SYM (I) : 0.17500 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.51 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.66 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/6 REMARK 290 6555 X-Y,X,Z+5/6 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 88.10000 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 44.05000 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 66.07500 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 22.02500 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 110.12500 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: 5570 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11730 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -25.0 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 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 H ASP B 53 H TRP B 54 1.34 REMARK 500 O GLY A 21 HH22 ARG A 28 1.58 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 LEU A 121 CA - CB - CG ANGL. DEV. = 18.3 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 11 69.19 -67.36 REMARK 500 HIS A 23 139.34 159.77 REMARK 500 THR A 52 -11.56 -47.37 REMARK 500 ALA A 60 -26.21 88.03 REMARK 500 SER A 90 158.32 -37.14 REMARK 500 ALA B 2 88.05 -157.10 REMARK 500 LYS B 8 -97.17 -36.32 REMARK 500 THR B 52 88.00 -68.12 REMARK 500 ASP B 53 7.01 -175.77 REMARK 500 ALA B 59 146.65 -6.22 REMARK 500 ALA B 60 -97.30 75.00 REMARK 500 PRO B 62 71.03 -69.15 REMARK 500 GLN B 63 -132.02 -53.54 REMARK 500 ILE B 64 76.62 61.50 REMARK 500 ILE B 67 95.82 -68.08 REMARK 500 ARG B 87 87.76 -63.37 REMARK 500 ASP B 88 -11.13 161.11 REMARK 500 GLU B 92 -144.60 -89.65 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 PEPTIDE INHIBITOR 0Q4 HAS A REDUCED PEPTIDE (-CH2-NH) INSTEAD REMARK 600 OF THE NORMAL PEPTIDE LINK (-CO-NH). REMARK 630 REMARK 630 MOLECULE TYPE: PEPTIDE-LIKE INHIBITOR REMARK 630 MOLECULE NAME: N-[(2R)-2-({N~5~-[AMINO(IMINIO)METHYL]-L-ORNITHYL-L- REMARK 630 VALYL}AMINO)-4-METHYLPENTYL]-L-PHENYLALANYL-L-ALPHA-GLUTAMYL-L- REMARK 630 ALANYL-L-NORLEUCINAMIDE 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 0Q4 A 125 REMARK 630 SOURCE: NULL REMARK 630 TAXONOMY: NULL REMARK 630 SUBCOMP: ARG VAL DC0 GLU ALA NLE 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 0Q4 A 125 DBREF 1BAI A 1 124 UNP O92805 O92805_9RETR 578 701 DBREF 1BAI B 1 124 UNP O92805 O92805_9RETR 578 701 SEQADV 1BAI THR A 38 UNP O92805 SER 615 VARIANT SEQADV 1BAI ASP A 42 UNP O92805 ILE 619 VARIANT SEQADV 1BAI VAL A 44 UNP O92805 ILE 621 VARIANT SEQADV 1BAI VAL A 73 UNP O92805 MET 650 VARIANT SEQADV 1BAI LEU A 100 UNP O92805 ALA 677 VARIANT SEQADV 1BAI THR A 104 UNP O92805 VAL 681 VARIANT SEQADV 1BAI PRO A 105 UNP O92805 ARG 682 CONFLICT SEQADV 1BAI VAL A 106 UNP O92805 GLY 683 CONFLICT SEQADV 1BAI ASN A 107 UNP O92805 SER 684 VARIANT SEQADV 1BAI THR B 38 UNP O92805 SER 615 VARIANT SEQADV 1BAI ASP B 42 UNP O92805 ILE 619 VARIANT SEQADV 1BAI VAL B 44 UNP O92805 ILE 621 VARIANT SEQADV 1BAI VAL B 73 UNP O92805 MET 650 VARIANT SEQADV 1BAI LEU B 100 UNP O92805 ALA 677 VARIANT SEQADV 1BAI THR B 104 UNP O92805 VAL 681 VARIANT SEQADV 1BAI PRO B 105 UNP O92805 ARG 682 CONFLICT SEQADV 1BAI VAL B 106 UNP O92805 GLY 683 CONFLICT SEQADV 1BAI ASN B 107 UNP O92805 SER 684 VARIANT SEQRES 1 A 124 LEU ALA MET THR MET GLU HIS LYS ASP ARG PRO LEU VAL SEQRES 2 A 124 ARG VAL ILE LEU THR ASN THR GLY SER HIS PRO VAL LYS SEQRES 3 A 124 GLN ARG SER VAL TYR ILE THR ALA LEU LEU ASP THR GLY SEQRES 4 A 124 ALA ASP ASP THR VAL ILE SER GLU GLU ASP TRP PRO THR SEQRES 5 A 124 ASP TRP PRO VAL MET GLU ALA ALA ASN PRO GLN ILE HIS SEQRES 6 A 124 GLY ILE GLY GLY GLY ILE PRO VAL ARG LYS SER ARG ASP SEQRES 7 A 124 MET ILE GLU LEU GLY VAL ILE ASN ARG ASP GLY SER LEU SEQRES 8 A 124 GLU ARG PRO LEU LEU LEU PHE PRO LEU VAL ALA MET THR SEQRES 9 A 124 PRO VAL ASN ILE LEU GLY ARG ASP CYS LEU GLN GLY LEU SEQRES 10 A 124 GLY LEU ARG LEU THR ASN LEU SEQRES 1 B 124 LEU ALA MET THR MET GLU HIS LYS ASP ARG PRO LEU VAL SEQRES 2 B 124 ARG VAL ILE LEU THR ASN THR GLY SER HIS PRO VAL LYS SEQRES 3 B 124 GLN ARG SER VAL TYR ILE THR ALA LEU LEU ASP THR GLY SEQRES 4 B 124 ALA ASP ASP THR VAL ILE SER GLU GLU ASP TRP PRO THR SEQRES 5 B 124 ASP TRP PRO VAL MET GLU ALA ALA ASN PRO GLN ILE HIS SEQRES 6 B 124 GLY ILE GLY GLY GLY ILE PRO VAL ARG LYS SER ARG ASP SEQRES 7 B 124 MET ILE GLU LEU GLY VAL ILE ASN ARG ASP GLY SER LEU SEQRES 8 B 124 GLU ARG PRO LEU LEU LEU PHE PRO LEU VAL ALA MET THR SEQRES 9 B 124 PRO VAL ASN ILE LEU GLY ARG ASP CYS LEU GLN GLY LEU SEQRES 10 B 124 GLY LEU ARG LEU THR ASN LEU HET 0Q4 A 125 73 HETNAM 0Q4 N-[(2R)-2-({N~5~-[AMINO(IMINIO)METHYL]-L-ORNITHYL-L- HETNAM 2 0Q4 VALYL}AMINO)-4-METHYLPENTYL]-L-PHENYLALANYL-L-ALPHA- HETNAM 3 0Q4 GLUTAMYL-L-ALANYL-L-NORLEUCINAMIDE HETSYN 0Q4 INHIBITOR ANALOGUES OF CA-P2 FORMUL 3 0Q4 C40 H70 N11 O8 1+ FORMUL 4 HOH *85(H2 O) HELIX 1 1 ARG A 111 GLY A 116 1 6 HELIX 2 2 ARG B 111 LEU B 114 1 4 SHEET 1 A 4 ILE A 32 LEU A 35 0 SHEET 2 A 4 LEU A 12 ASN A 19 -1 N VAL A 15 O ILE A 32 SHEET 3 A 4 ILE A 80 ILE A 85 -1 N ILE A 85 O ARG A 14 SHEET 4 A 4 LEU A 95 LEU A 97 -1 N LEU A 97 O ILE A 80 SHEET 1 B 2 VAL A 44 SER A 46 0 SHEET 2 B 2 LEU A 100 ALA A 102 1 N LEU A 100 O ILE A 45 SHEET 1 C 2 VAL A 56 GLU A 58 0 SHEET 2 C 2 ARG A 74 SER A 76 -1 N LYS A 75 O MET A 57 SHEET 1 D 2 GLN A 63 HIS A 65 0 SHEET 2 D 2 GLY A 70 PRO A 72 -1 N ILE A 71 O ILE A 64 SHEET 1 E 5 LEU B 95 LEU B 97 0 SHEET 2 E 5 ILE B 80 ILE B 85 -1 N LEU B 82 O LEU B 95 SHEET 3 E 5 LEU B 12 ASN B 19 -1 N THR B 18 O GLU B 81 SHEET 4 E 5 SER B 29 ASP B 37 -1 N ALA B 34 O VAL B 13 SHEET 5 E 5 ILE B 108 GLY B 110 1 N LEU B 109 O LEU B 35 SHEET 1 F 2 VAL B 44 SER B 46 0 SHEET 2 F 2 LEU B 100 ALA B 102 1 N LEU B 100 O ILE B 45 SITE 1 AC1 26 LEU A 35 ASP A 37 GLY A 39 ALA A 40 SITE 2 AC1 26 ASP A 41 ASP A 42 ASN A 61 GLN A 63 SITE 3 AC1 26 ILE A 64 HIS A 65 GLY A 66 ILE A 67 SITE 4 AC1 26 PRO A 105 HOH A 501 HOH A 607 HOH A 643 SITE 5 AC1 26 HOH A 696 LEU B 35 GLY B 39 ALA B 40 SITE 6 AC1 26 ASP B 41 GLN B 63 HIS B 65 GLY B 66 SITE 7 AC1 26 ILE B 67 VAL B 106 CRYST1 62.610 62.610 132.150 90.00 90.00 120.00 P 65 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 0.015972 0.009221 0.000000 0.00000 SCALE2 0.000000 0.018443 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007567 0.00000