HEADER HYDROLASE/HYDROLASE INHIBITOR 13-JUL-09 3IA9 TITLE CRYSTAL STRUCTURE OF A CHEMICALLY SYNTHESIZED [D25N]HIV-1 PROTEASE TITLE 2 MOLECULE COMPLEXED WITH MVT-101 REDUCED ISOSTERE INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: [D25N]HIV-1 PROTEASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.4.23.16; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: TOTAL CHEMICAL SYNTHESIS KEYWDS BETA-SHEET, HYDROLASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR V.Y.TORBEEV,S.B.H.KENT REVDAT 1 27-JUL-11 3IA9 0 JRNL AUTH V.Y.TORBEEV,S.B.H.KENT JRNL TITL HYDROGEN BONDS AT THE PROTEIN-INHIBITOR INTERFACE IN THE JRNL TITL 2 HIV-1 PROTEASE / INHIBITORS COMPLEXES PROBED BY TOTAL JRNL TITL 3 CHEMICAL SYNTHESIS AND X-RAY CRYSTALLOGRAPHY JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 43280 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 + TEST SET) : 0.179 REMARK 3 R VALUE (WORKING SET) : 0.178 REMARK 3 FREE R VALUE : 0.208 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2303 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.33 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3061 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.23 REMARK 3 BIN R VALUE (WORKING SET) : 0.1980 REMARK 3 BIN FREE R VALUE SET COUNT : 163 REMARK 3 BIN FREE R VALUE : 0.2540 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 : 64 REMARK 3 SOLVENT ATOMS : 123 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.87 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.19000 REMARK 3 B22 (A**2) : 0.06000 REMARK 3 B33 (A**2) : 0.13000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.060 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.056 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.032 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.541 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.961 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.955 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1697 ; 0.016 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 1142 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2281 ; 1.697 ; 1.998 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2812 ; 0.935 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 208 ; 6.668 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 60 ;39.077 ;24.667 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 301 ;12.172 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 10 ;17.327 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 268 ; 0.104 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1776 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 288 ; 0.002 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 260 ; 0.198 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 1146 ; 0.206 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 792 ; 0.177 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 925 ; 0.089 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 66 ; 0.139 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 7 ; 0.094 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 39 ; 0.183 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 7 ; 0.121 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1098 ; 1.783 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 449 ; 1.105 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1719 ; 2.464 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 673 ; 4.069 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 562 ; 4.826 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 1763 ; 3.351 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1661 ; 4.623 ; 3.000 REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3IA9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-JUL-09. REMARK 100 THE RCSB ID CODE IS RCSB054160. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-AUG-08 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00000 REMARK 200 MONOCHROMATOR : FAST MONOCHROMATIC ROTARY BEAM REMARK 200 SHUTTERS WITH OPENING AND CLOSING REMARK 200 TIMES LESS THAN 5 MSEC, REMARK 200 SYNCHRONIZED, PRECISELY WITH THE REMARK 200 MOTION STATE OF THE REMARK 200 CRYSTALLOGRAPHIC SPINDLE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 45790 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.300 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 5.900 REMARK 200 R MERGE (I) : 0.05500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 32.9700 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.35 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.10 REMARK 200 R MERGE FOR SHELL (I) : 0.37500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.360 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.91 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M CITRATE, 0.2M SODIUM PHOSPHATE, REMARK 280 30% (W/V) AMMONIUM SULFATE, 10% (V/V) DMSO , PH 6.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 293K 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 25.54500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 30.91600 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.84850 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 30.91600 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.54500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.84850 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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: MONOMERIC 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4400 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9600 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -54.0 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 630 REMARK 630 MOLECULE TYPE: NULL REMARK 630 MOLECULE NAME: N-{(2S)-2-[(N-ACETYL-L-THREONYL-L-ISOLEUCYL)AMINO] REMARK 630 HEXYL}-L-NORLEUCYL-L-GLUTAMINYL-N~5~-[AMINO(IMINIO)METHYL]-L- REMARK 630 ORNITHINAMIDE 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 2NC A 100 REMARK 630 SOURCE: NULL REMARK 630 TAXONOMY: NULL REMARK 630 SUBCOMP: ACE THR ILE 2A0 GLN ARG 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 2NC A 100 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 402 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3HAU RELATED DB: PDB REMARK 900 RELATED ID: 3HAW RELATED DB: PDB REMARK 900 RELATED ID: 3HBO RELATED DB: PDB REMARK 900 RELATED ID: 3HDK RELATED DB: PDB REMARK 900 RELATED ID: 3HLO RELATED DB: PDB REMARK 900 RELATED ID: 3FSM RELATED DB: PDB DBREF 3IA9 A 1 99 PDB 3IA9 3IA9 1 99 DBREF 3IA9 B 1 99 PDB 3IA9 3IA9 1 99 SEQRES 1 A 99 PRO GLN ILE THR LEU TRP LYS ARG PRO LEU VAL THR ILE SEQRES 2 A 99 ARG ILE GLY GLY GLN LEU LYS GLU ALA LEU LEU ASN THR SEQRES 3 A 99 GLY ALA ASP ASP THR VAL ILE GLU GLU NLE ASN LEU PRO SEQRES 4 A 99 GLY YCM TRP LYS PRO LYS NLE ILE GLY GLY ILE GLY GLY SEQRES 5 A 99 PHE ILE LYS VAL ARG GLN TYR ASP GLN ILE PRO VAL GLU SEQRES 6 A 99 ILE ABA 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 ABA THR LEU ASN PHE SEQRES 1 B 99 PRO GLN ILE THR LEU TRP LYS ARG PRO LEU VAL THR ILE SEQRES 2 B 99 ARG ILE GLY GLY GLN LEU LYS GLU ALA LEU LEU ASN THR SEQRES 3 B 99 GLY ALA ASP ASP THR VAL ILE GLU GLU NLE ASN LEU PRO SEQRES 4 B 99 GLY YCM TRP LYS PRO LYS NLE ILE GLY GLY ILE GLY GLY SEQRES 5 B 99 PHE ILE LYS VAL ARG GLN TYR ASP GLN ILE PRO VAL GLU SEQRES 6 B 99 ILE ABA 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 ABA THR LEU ASN PHE MODRES 3IA9 NLE A 36 LEU NORLEUCINE MODRES 3IA9 YCM A 41 CYS S-(2-AMINO-2-OXOETHYL)-L-CYSTEINE MODRES 3IA9 NLE A 46 LEU NORLEUCINE MODRES 3IA9 ABA A 67 ALA ALPHA-AMINOBUTYRIC ACID MODRES 3IA9 ABA A 95 ALA ALPHA-AMINOBUTYRIC ACID MODRES 3IA9 NLE B 36 LEU NORLEUCINE MODRES 3IA9 YCM B 41 CYS S-(2-AMINO-2-OXOETHYL)-L-CYSTEINE MODRES 3IA9 NLE B 46 LEU NORLEUCINE MODRES 3IA9 ABA B 67 ALA ALPHA-AMINOBUTYRIC ACID MODRES 3IA9 ABA B 95 ALA ALPHA-AMINOBUTYRIC ACID HET NLE A 36 8 HET YCM A 41 10 HET NLE A 46 8 HET ABA A 67 6 HET ABA A 95 6 HET NLE B 36 8 HET YCM B 41 10 HET NLE B 46 11 HET ABA B 67 6 HET ABA B 95 6 HET 2NC A 100 108 HET SO4 A 401 5 HET SO4 A 402 5 HETNAM NLE NORLEUCINE HETNAM YCM S-(2-AMINO-2-OXOETHYL)-L-CYSTEINE HETNAM ABA ALPHA-AMINOBUTYRIC ACID HETNAM 2NC N-{(2S)-2-[(N-ACETYL-L-THREONYL-L-ISOLEUCYL) HETNAM 2 2NC AMINO]HEXYL}-L-NORLEUCYL-L-GLUTAMINYL-N~5~- HETNAM 3 2NC [AMINO(IMINIO)METHYL]-L-ORNITHINAMIDE HETNAM SO4 SULFATE ION HETSYN YCM CYSTEINE-S-ACETAMIDE HETSYN 2NC P2/NC FORMUL 1 NLE 4(C6 H13 N O2) FORMUL 1 YCM 2(C5 H10 N2 O3 S) FORMUL 1 ABA 4(C4 H9 N O2) FORMUL 3 2NC C35 H68 N11 O8 1+ FORMUL 4 SO4 2(O4 S 2-) FORMUL 6 HOH *123(H2 O) HELIX 1 1 GLY A 86 THR A 91 1 6 HELIX 2 2 GLY B 86 THR B 91 1 6 SHEET 1 A 4 GLN A 2 ILE A 3 0 SHEET 2 A 4 THR B 96 ASN B 98 -1 O LEU B 97 N ILE A 3 SHEET 3 A 4 THR A 96 ASN A 98 -1 N ASN A 98 O THR B 96 SHEET 4 A 4 GLN B 2 ILE B 3 -1 O ILE B 3 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 ILE A 33 1 N ILE 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 ARG A 14 SHEET 1 C 8 LYS B 43 GLY B 49 0 SHEET 2 C 8 GLY B 52 ILE B 66 -1 O GLN B 58 N LYS B 43 SHEET 3 C 8 HIS B 69 VAL B 77 -1 O VAL B 77 N ARG B 57 SHEET 4 C 8 VAL B 32 ILE B 33 1 N ILE B 33 O LEU B 76 SHEET 5 C 8 ILE B 84 ILE B 85 -1 O ILE B 84 N VAL B 32 SHEET 6 C 8 GLN B 18 LEU B 24 1 N LEU B 23 O ILE B 85 SHEET 7 C 8 LEU B 10 ILE B 15 -1 N ILE B 13 O LYS B 20 SHEET 8 C 8 GLY B 52 ILE B 66 -1 O GLU B 65 N ARG B 14 LINK C GLU A 35 N NLE A 36 1555 1555 1.32 LINK C NLE A 36 N ASN A 37 1555 1555 1.33 LINK C GLY A 40 N YCM A 41 1555 1555 1.33 LINK C YCM A 41 N TRP A 42 1555 1555 1.32 LINK C LYS A 45 N NLE A 46 1555 1555 1.31 LINK C NLE A 46 N ILE A 47 1555 1555 1.33 LINK C ILE A 66 N ABA A 67 1555 1555 1.33 LINK C ABA A 67 N GLY A 68 1555 1555 1.33 LINK C GLY A 94 N ABA A 95 1555 1555 1.33 LINK C ABA A 95 N THR A 96 1555 1555 1.33 LINK C GLU B 35 N NLE B 36 1555 1555 1.33 LINK C NLE B 36 N ASN B 37 1555 1555 1.33 LINK C GLY B 40 N YCM B 41 1555 1555 1.33 LINK C YCM B 41 N TRP B 42 1555 1555 1.33 LINK C LYS B 45 N NLE B 46 1555 1555 1.32 LINK C NLE B 46 N ILE B 47 1555 1555 1.32 LINK C ILE B 66 N ABA B 67 1555 1555 1.34 LINK C ABA B 67 N GLY B 68 1555 1555 1.33 LINK C GLY B 94 N ABA B 95 1555 1555 1.33 LINK C ABA B 95 N THR B 96 1555 1555 1.32 SITE 1 AC1 35 ASN A 25 GLY A 27 ALA A 28 ASP A 29 SITE 2 AC1 35 ASP A 30 ILE A 47 GLY A 48 GLY A 49 SITE 3 AC1 35 ILE A 50 PHE A 53 VAL A 82 ILE A 84 SITE 4 AC1 35 HOH A 101 HOH A 107 HOH A 109 HOH A 112 SITE 5 AC1 35 HOH A 118 HOH A 128 HOH A 139 HOH A 148 SITE 6 AC1 35 LEU B 23 ASN B 25 GLY B 27 ALA B 28 SITE 7 AC1 35 ASP B 29 ASP B 30 NLE B 46 ILE B 47 SITE 8 AC1 35 GLY B 48 GLY B 49 ILE B 50 PHE B 53 SITE 9 AC1 35 PRO B 81 ILE B 84 HOH B 121 SITE 1 AC2 6 LEU A 10 GLU A 21 ALA A 22 VAL A 82 SITE 2 AC2 6 ASN A 83 HOH A 106 SITE 1 AC3 10 THR A 12 ILE A 13 ARG A 14 LEU A 19 SITE 2 AC3 10 TRP A 42 PRO A 44 GLU A 65 ILE A 66 SITE 3 AC3 10 ABA A 67 GLY A 68 CRYST1 51.090 57.697 61.832 90.00 90.00 90.00 P 21 21 21 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 0.019573 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017332 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016173 0.00000