HEADER HYDROLASE 29-DEC-99 1C70 TITLE ALTERNATE BINDING SITE FOR THE P1-P3 GROUP OF A CLASS OF POTENT HIV-1 TITLE 2 PROTEASE INHIBITORS AS A RESULT OF CONCERTED STRUCTURAL CHANGE IN TITLE 3 80'S LOOP. COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (PROTEASE); COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.4.23.-; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: NY5 ISOLATE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1; SOURCE 3 ORGANISM_TAXID: 11676; SOURCE 4 GENE: NY5 ISOLATE; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR S.MUNSHI REVDAT 3 27-DEC-23 1C70 1 REMARK REVDAT 2 24-FEB-09 1C70 1 VERSN REVDAT 1 28-DEC-00 1C70 0 JRNL AUTH S.MUNSHI,Z.CHEN,Y.YAN,Y.LI,D.B.OLSEN,H.B.SCHOCK,B.B.GALVIN, JRNL AUTH 2 B.DORSEY,L.C.KUO JRNL TITL AN ALTERNATE BINDING SITE FOR THE P1-P3 GROUP OF A CLASS OF JRNL TITL 2 POTENT HIV-1 PROTEASE INHIBITORS AS A RESULT OF CONCERTED JRNL TITL 3 STRUCTURAL CHANGE IN THE 80S LOOP OF THE PROTEASE. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 56 381 2000 JRNL REFN ISSN 0907-4449 JRNL PMID 10739910 JRNL DOI 10.1107/S0907444900000469 REMARK 2 REMARK 2 RESOLUTION. 2.50 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) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 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) : 0.160 REMARK 3 FREE R VALUE : 0.270 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 : 1514 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 48 REMARK 3 SOLVENT ATOMS : 106 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) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 2.800 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 1C70 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-JAN-00. REMARK 100 THE DEPOSITION ID IS D_1000001413. 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) : M 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 : 7292 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 (%) : 86.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.07400 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.59 REMARK 200 COMPLETENESS FOR SHELL (%) : 78.0 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: CRYSTALS OBTAINED BY CO-CRYSTALLIZATION AT PH 5.2, USING REMARK 200 0.6M NACL AS PRECIPITATING AGENT IN 0.1M SODIUM ACETATE BUFFER. REMARK 200 PROTEIN WAS AT 5.5 MG/ML CONCENTRATION. REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.57 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 29.93000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 43.56000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 29.93000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 43.56000 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 300 REMARK: THERE IS ONE PROTEASE DIMER IN AN ASYMMETRICAL UNIT. THE REMARK 300 TWO MOLECULES ARE LABELED AS CHAIN A AND CHAIN B. THERE REMARK 300 IS ONE L-756,423 INHIBITOR MOLECULE LABELED AS L75. 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: 5040 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9220 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 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: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 HIS B 269 NE2 HIS B 269 CD2 -0.074 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 TRP A 6 CD1 - CG - CD2 ANGL. DEV. = 6.9 DEGREES REMARK 500 TRP A 6 CB - CG - CD1 ANGL. DEV. = -9.4 DEGREES REMARK 500 TRP A 6 CE2 - CD2 - CG ANGL. DEV. = -6.5 DEGREES REMARK 500 TRP A 6 CG - CD2 - CE3 ANGL. DEV. = 6.3 DEGREES REMARK 500 ARG A 41 NE - CZ - NH1 ANGL. DEV. = -4.0 DEGREES REMARK 500 ARG A 41 NE - CZ - NH2 ANGL. DEV. = 4.5 DEGREES REMARK 500 TRP A 42 CD1 - CG - CD2 ANGL. DEV. = 7.1 DEGREES REMARK 500 TRP A 42 CE2 - CD2 - CG ANGL. DEV. = -6.5 DEGREES REMARK 500 ARG A 57 NE - CZ - NH2 ANGL. DEV. = 3.9 DEGREES REMARK 500 TRP B 206 CD1 - CG - CD2 ANGL. DEV. = 7.2 DEGREES REMARK 500 TRP B 206 CB - CG - CD1 ANGL. DEV. = -8.9 DEGREES REMARK 500 TRP B 206 CE2 - CD2 - CG ANGL. DEV. = -6.1 DEGREES REMARK 500 TRP B 206 CG - CD2 - CE3 ANGL. DEV. = 5.6 DEGREES REMARK 500 LEU B 223 CA - CB - CG ANGL. DEV. = 15.8 DEGREES REMARK 500 ARG B 241 NE - CZ - NH1 ANGL. DEV. = -6.7 DEGREES REMARK 500 ARG B 241 NE - CZ - NH2 ANGL. DEV. = 5.3 DEGREES REMARK 500 TRP B 242 CD1 - CG - CD2 ANGL. DEV. = 6.7 DEGREES REMARK 500 TRP B 242 CE2 - CD2 - CG ANGL. DEV. = -5.9 DEGREES REMARK 500 LYS B 255 CA - CB - CG ANGL. DEV. = 13.9 DEGREES REMARK 500 TYR B 259 CB - CG - CD2 ANGL. DEV. = -4.7 DEGREES REMARK 500 VAL B 275 CG1 - CB - CG2 ANGL. DEV. = -11.1 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 GLU A 35 105.64 -30.22 REMARK 500 GLU B 235 106.79 -52.79 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 L-756,423 IS N-[2(R)-HYDROXY-1(S)-INDANYL]-2(R)-PHENYLMETHYL REMARK 600 -4(S)-HYDROXY-5-[4-[2-BENZOFURANYLMETHYL]-2(S)-[TERT- REMARK 600 BUTYLAMINOCARBONYL]-PIPERAZINYL]-PENTANEAMIDE REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE L75 B 423 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1C6X RELATED DB: PDB REMARK 900 HIV-1 PROTEASE WITH L-739,622 REMARK 900 RELATED ID: 1C6Y RELATED DB: PDB REMARK 900 HIV-1 PROTEASE WITH L-735,524 REMARK 900 RELATED ID: 1C6Z RELATED DB: PDB REMARK 900 HIV-1 PROTEASE WITH SAQUINAVIR DBREF 1C70 A 1 99 UNP O92103 O92103_9HIV1 1 99 DBREF 1C70 B 201 299 UNP O92103 O92103_9HIV1 1 99 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 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 CYS 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 HET L75 B 423 48 HETNAM L75 N-[2(R)-HYDROXY-1(S)-INDANYL]-2(R)-PHENYLMETHYL-4(S)- HETNAM 2 L75 HYDROXY-5-[4-[2-BENZOFURANYLMETHYL]-2(S)-[TERT- HETNAM 3 L75 BUTYLAMINOCARBONYL]-PIPERAZINYL]-PENTANEAMIDE HETSYN L75 L-756,423 FORMUL 3 L75 C39 H48 N4 O5 FORMUL 4 HOH *106(H2 O) HELIX 1 1 GLY A 86 THR A 91 1 6 HELIX 2 2 GLY B 286 THR B 291 1 6 SHEET 1 A 4 GLN A 2 THR A 4 0 SHEET 2 A 4 THR B 296 ASN B 298 -1 O LEU B 297 N ILE A 3 SHEET 3 A 4 THR A 96 ASN A 98 -1 N THR A 96 O ASN B 298 SHEET 4 A 4 GLN B 202 THR B 204 -1 N ILE B 203 O LEU A 97 SHEET 1 B 7 LYS A 43 GLY A 48 0 SHEET 2 B 7 PHE A 53 ILE A 66 -1 N ILE A 54 O ILE A 47 SHEET 3 B 7 HIS A 69 GLY A 78 -1 O HIS A 69 N ILE A 66 SHEET 4 B 7 THR A 31 GLU A 34 1 O THR A 31 N LEU A 76 SHEET 5 B 7 ILE A 84 ILE A 85 -1 N ILE A 84 O VAL A 32 SHEET 6 B 7 GLN A 18 LEU A 24 1 O LEU A 23 N ILE A 85 SHEET 7 B 7 LEU A 10 ILE A 15 -1 O VAL A 11 N ALA A 22 SHEET 1 C 7 LYS B 243 GLY B 249 0 SHEET 2 C 7 GLY B 252 ILE B 266 -1 O GLY B 252 N GLY B 249 SHEET 3 C 7 HIS B 269 GLY B 278 -1 O HIS B 269 N ILE B 266 SHEET 4 C 7 THR B 231 GLU B 234 1 O THR B 231 N LEU B 276 SHEET 5 C 7 ASN B 283 ILE B 285 -1 N ILE B 284 O VAL B 232 SHEET 6 C 7 GLN B 218 LEU B 224 1 O GLU B 221 N ASN B 283 SHEET 7 C 7 LEU B 210 ILE B 215 -1 O VAL B 211 N ALA B 222 SITE 1 AC1 19 TRP A 6 ARG A 8 LEU A 23 ASP A 25 SITE 2 AC1 19 GLY A 48 GLY A 49 ILE A 50 ASP B 225 SITE 3 AC1 19 GLY B 227 ALA B 228 ASP B 229 ASP B 230 SITE 4 AC1 19 VAL B 232 GLY B 248 GLY B 249 PRO B 279 SITE 5 AC1 19 THR B 280 PRO B 281 HOH B 306 CRYST1 59.860 87.120 46.970 90.00 90.00 90.00 P 21 21 2 8 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 0.016706 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011478 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021290 0.00000