HEADER HYDROLASE/HYDROLASE INHIBITOR 12-FEB-92 1HIV TITLE CRYSTAL STRUCTURE OF A COMPLEX OF HIV-1 PROTEASE WITH A TITLE 2 DIHYDROETHYLENE-CONTAINING INHIBITOR: COMPARISONS WITH MOLECULAR TITLE 3 MODELING COMPND MOL_ID: 1; COMPND 2 MOLECULE: HIV-1 PROTEASE; COMPND 3 CHAIN: A, B; COMPND 4 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; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS ACID PROTEINASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR N.THANKI,A.WLODAWER REVDAT 4 29-NOV-17 1HIV 1 HELIX REVDAT 3 13-JUL-11 1HIV 1 VERSN REVDAT 2 24-FEB-09 1HIV 1 VERSN REVDAT 1 31-OCT-93 1HIV 0 JRNL AUTH N.THANKI,J.K.RAO,S.I.FOUNDLING,W.J.HOWE,J.B.MOON,J.O.HUI, JRNL AUTH 2 A.G.TOMASSELLI,R.L.HEINRIKSON,S.THAISRIVONGS,A.WLODAWER JRNL TITL CRYSTAL STRUCTURE OF A COMPLEX OF HIV-1 PROTEASE WITH A JRNL TITL 2 DIHYDROXYETHYLENE-CONTAINING INHIBITOR: COMPARISONS WITH JRNL TITL 3 MOLECULAR MODELING. JRNL REF PROTEIN SCI. V. 1 1061 1992 JRNL REFN ISSN 0961-8368 JRNL PMID 1304383 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 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 + TEST SET) : 0.169 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1516 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 59 REMARK 3 SOLVENT ATOMS : 90 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.020 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.049 ; 0.035 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.056 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.017 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.201 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.191 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.201 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : 0.185 ; 0.300 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 2.800 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 17.600; 10.000 REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.475 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.210 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.215 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.934 ; 4.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1HIV 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_1000173877. 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) : NULL 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 : NULL 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 (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.56 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 26.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 30.95000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.30000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 30.95000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.30000 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 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 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 REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 316 O HOH A 386 2455 2.15 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 ARG A 8 NE - CZ - NH2 ANGL. DEV. = 4.6 DEGREES REMARK 500 VAL A 11 O - C - N ANGL. DEV. = 9.7 DEGREES REMARK 500 ASP A 25 N - CA - CB ANGL. DEV. = -16.9 DEGREES REMARK 500 ASP A 25 CB - CG - OD1 ANGL. DEV. = 8.8 DEGREES REMARK 500 ASP A 29 CB - CG - OD1 ANGL. DEV. = 11.6 DEGREES REMARK 500 ASP A 29 CB - CG - OD2 ANGL. DEV. = -7.3 DEGREES REMARK 500 ASP A 30 CB - CG - OD2 ANGL. DEV. = -8.2 DEGREES REMARK 500 ASP A 30 O - C - N ANGL. DEV. = 9.6 DEGREES REMARK 500 GLU A 35 OE1 - CD - OE2 ANGL. DEV. = 9.8 DEGREES REMARK 500 GLU A 35 CG - CD - OE2 ANGL. DEV. = -13.8 DEGREES REMARK 500 ARG A 41 NE - CZ - NH1 ANGL. DEV. = -4.2 DEGREES REMARK 500 ARG A 41 NE - CZ - NH2 ANGL. DEV. = 4.0 DEGREES REMARK 500 ILE A 50 CA - CB - CG2 ANGL. DEV. = 15.1 DEGREES REMARK 500 ARG A 57 CD - NE - CZ ANGL. DEV. = 12.8 DEGREES REMARK 500 LEU B 5 CB - CG - CD1 ANGL. DEV. = -10.5 DEGREES REMARK 500 ASP B 25 CB - CG - OD1 ANGL. DEV. = 7.2 DEGREES REMARK 500 ASP B 29 CB - CG - OD1 ANGL. DEV. = 5.7 DEGREES REMARK 500 ASP B 29 CB - CG - OD2 ANGL. DEV. = -7.0 DEGREES REMARK 500 LEU B 33 O - C - N ANGL. DEV. = 10.2 DEGREES REMARK 500 GLU B 35 CG - CD - OE2 ANGL. DEV. = -13.3 DEGREES REMARK 500 MET B 36 CA - CB - CG ANGL. DEV. = 15.8 DEGREES REMARK 500 MET B 46 CA - CB - CG ANGL. DEV. = -12.2 DEGREES REMARK 500 PHE B 53 CB - CG - CD2 ANGL. DEV. = -4.4 DEGREES REMARK 500 GLU B 65 OE1 - CD - OE2 ANGL. DEV. = 8.9 DEGREES REMARK 500 VAL B 75 CA - CB - CG1 ANGL. DEV. = 9.7 DEGREES REMARK 500 ILE B 84 O - C - N ANGL. DEV. = 11.3 DEGREES REMARK 500 ARG B 87 NH1 - CZ - NH2 ANGL. DEV. = -7.6 DEGREES REMARK 500 ARG B 87 NE - CZ - NH2 ANGL. DEV. = 5.2 DEGREES REMARK 500 CYS B 95 CB - CA - C ANGL. DEV. = 7.3 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 B 79 42.65 -77.93 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 THE SUBCOMPONENT CAV IN INHIBITOR 1ZK IS THE DIPEPTIDE REMARK 600 ISOSTERE CYCLOHEXYL ALANINE PSI(CHOH-CHOH)VALINE. THE REMARK 600 VALINE HAS A C-OH GROUP IN PLACE OF THE USUAL MAIN CHAIN REMARK 600 N ATOM. REMARK 630 REMARK 630 MOLECULE TYPE: PEPTIDE-LIKE INHIBITOR REMARK 630 MOLECULE NAME: 4-[(2R)-3-{[(1S,2S,3R,4S)-1-(CYCLOHEXYLMETHYL)-2,3- REMARK 630 DIHYDROXY-5-METHYL-4-({(1S,2R)-2-METHYL-1-[(PYRIDIN-2-YLMETHYL) REMARK 630 CARBAMOYL]BUTYL}CARBAMOYL)HEXYL]AMINO}-2-{[(NAPHTHALEN-1-YLOXY) REMARK 630 ACETYL]AMINO}-3-OXOPROPYL]-1H-IMIDAZOL-3-IUM 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 1ZK A 100 REMARK 630 SOURCE: NULL REMARK 630 TAXONOMY: NULL REMARK 630 SUBCOMP: NOA HIS CAV ILE APY 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 1ZK A 100 DBREF 1HIV A 1 99 UNP P04585 POL_HV1H2 57 155 DBREF 1HIV B 1 99 UNP P04585 POL_HV1H2 57 155 SEQRES 1 A 99 PRO GLN VAL 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 VAL 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 1HIV CSO A 67 CYS S-HYDROXYCYSTEINE MODRES 1HIV CSO B 67 CYS S-HYDROXYCYSTEINE HET CSO A 67 7 HET CSO B 67 7 HET 1ZK A 100 59 HETNAM CSO S-HYDROXYCYSTEINE HETNAM 1ZK 4-[(2R)-3-{[(1S,2S,3R,4S)-1-(CYCLOHEXYLMETHYL)-2,3- HETNAM 2 1ZK DIHYDROXY-5-METHYL-4-({(1S,2R)-2-METHYL-1-[(PYRIDIN-2- HETNAM 3 1ZK YLMETHYL)CARBAMOYL]BUTYL}CARBAMOYL)HEXYL]AMINO}-2- HETNAM 4 1ZK {[(NAPHTHALEN-1-YLOXY)ACETYL]AMINO}-3-OXOPROPYL]-1H- HETNAM 5 1ZK IMIDAZOL-3-IUM HETSYN 1ZK U75875 FORMUL 1 CSO 2(C3 H7 N O3 S) FORMUL 3 1ZK C45 H62 N7 O7 1+ FORMUL 4 HOH *90(H2 O) HELIX 1 HA GLY A 86 GLY A 94 1 9 HELIX 2 HB GLY B 86 GLY B 94 1 9 SHEET 1 COA 8 LYS A 43 GLY A 49 0 SHEET 2 COA 8 GLY A 52 ILE A 66 -1 SHEET 3 COA 8 HIS A 69 GLY A 78 -1 SHEET 4 COA 8 THR A 31 GLU A 34 1 SHEET 5 COA 8 ASN A 83 ILE A 85 -1 SHEET 6 COA 8 GLN A 18 ASP A 25 1 SHEET 7 COA 8 PRO A 9 ILE A 15 -1 SHEET 8 COA 8 GLU A 65 ILE A 66 -1 SHEET 1 COB 8 LYS B 43 GLY B 49 0 SHEET 2 COB 8 GLY B 52 ILE B 66 -1 SHEET 3 COB 8 HIS B 69 GLY B 78 -1 SHEET 4 COB 8 THR B 31 GLU B 34 1 SHEET 5 COB 8 ASN B 83 ILE B 85 -1 SHEET 6 COB 8 GLN B 18 ASP B 25 1 SHEET 7 COB 8 PRO B 9 ILE B 15 -1 SHEET 8 COB 8 GLU B 65 ILE B 66 -1 SHEET 1 INT 4 PRO A 1 THR A 4 0 SHEET 2 INT 4 THR B 96 PHE B 99 -1 SHEET 3 INT 4 THR A 96 PHE A 99 -1 SHEET 4 INT 4 PRO B 1 THR B 4 -1 LINK C ILE A 66 N CSO A 67 1555 1555 1.33 LINK C CSO A 67 N GLY A 68 1555 1555 1.30 LINK C ILE B 66 N CSO B 67 1555 1555 1.33 LINK C CSO B 67 N GLY B 68 1555 1555 1.29 SITE 1 AC1 18 ARG A 8 ASP A 25 GLY A 27 ALA A 28 SITE 2 AC1 18 ASP A 29 GLY A 48 GLY A 49 ILE A 50 SITE 3 AC1 18 PRO A 81 HOH A 301 HOH A 339 ASP B 25 SITE 4 AC1 18 GLY B 27 ALA B 28 ASP B 29 GLY B 48 SITE 5 AC1 18 GLY B 49 VAL B 82 CRYST1 52.000 58.600 61.900 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 0.019231 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017065 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016155 0.00000