HEADER HYDROLASE/HYDROLASE INHIBITOR 17-JAN-99 1B6K TITLE HIV-1 PROTEASE COMPLEXED WITH MACROCYCLIC PEPTIDOMIMETIC INHIBITOR 5 COMPND MOL_ID: 1; COMPND 2 MOLECULE: RETROPEPSIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: HIV-1 PR; COMPND 5 EC: 3.4.23.16; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1; SOURCE 3 ORGANISM_TAXID: 11676; SOURCE 4 OTHER_DETAILS: CYS RESIDUES REPLACED WITH ABA KEYWDS COMPLEX (ACID PROTEINASE-PEPTIDE), HYDROLASE-HYDROLASE INHIBITOR KEYWDS 2 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.L.MARTIN,J.BEGUN,A.SCHINDELER,W.A.WICKRAMASINGHE,D.ALEWOOD, AUTHOR 2 P.F.ALEWOOD,D.A.BERGMAN,R.I.BRINKWORTH,G.ABBENANTE,D.R.MARCH, AUTHOR 3 R.C.REID,D.P.FAIRLIE REVDAT 5 15-NOV-23 1B6K 1 REMARK REVDAT 4 09-AUG-23 1B6K 1 REMARK LINK REVDAT 3 24-FEB-09 1B6K 1 VERSN REVDAT 2 01-APR-03 1B6K 1 JRNL REVDAT 1 07-JAN-00 1B6K 0 JRNL AUTH J.L.MARTIN,J.BEGUN,A.SCHINDELER,W.A.WICKRAMASINGHE, JRNL AUTH 2 D.ALEWOOD,P.F.ALEWOOD,D.A.BERGMAN,R.I.BRINKWORTH, JRNL AUTH 3 G.ABBENANTE,D.R.MARCH,R.C.REID,D.P.FAIRLIE JRNL TITL MOLECULAR RECOGNITION OF MACROCYCLIC PEPTIDOMIMETIC JRNL TITL 2 INHIBITORS BY HIV-1 PROTEASE. JRNL REF BIOCHEMISTRY V. 38 7978 1999 JRNL REFN ISSN 0006-2960 JRNL PMID 10387041 JRNL DOI 10.1021/BI990174X REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.6 REMARK 3 NUMBER OF REFLECTIONS : 15126 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) : 0.209 REMARK 3 FREE R VALUE : 0.239 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1528 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.85 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.96 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 82.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2014 REMARK 3 BIN R VALUE (WORKING SET) : 0.2920 REMARK 3 BIN FREE R VALUE : 0.3120 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 217 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.021 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1478 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 64 REMARK 3 SOLVENT ATOMS : 95 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 4.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.25 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) : 0.24 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.26 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.160 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.150 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.760 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.970 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.110 ; 2.500 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 : PARHCSDXJA11R.PRO REMARK 3 PARAMETER FILE 2 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDXJA11R.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : INHIBTOP.INP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1B6K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-JAN-99. REMARK 100 THE DEPOSITION ID IS D_1000000309. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JUN-95 REMARK 200 TEMPERATURE (KELVIN) : 289 REMARK 200 PH : 5.5 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : YALE MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15429 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06500 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 81.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.27600 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1CPI REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.99 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M ACETATE BUFFER PH 5.5 AND 30-60% REMARK 280 AMMONIUM SULFATE 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 25.75500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 31.15500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.48500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 31.15500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.75500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.48500 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5610 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9040 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -59.0 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 7 CG CD CE NZ REMARK 470 ASN A 37 CG OD1 ND2 REMARK 470 LYS A 41 CG CD CE NZ REMARK 470 LYS A 43 CG CD CE NZ REMARK 470 LYS A 45 CG CD CE NZ REMARK 470 LYS A 55 CG CD CE NZ REMARK 470 LYS A 70 CG CD CE NZ REMARK 470 ASN B 137 CG OD1 ND2 REMARK 470 LYS B 141 CG CD CE NZ REMARK 470 LYS B 143 CG CD CE NZ 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 VAL B 182 CG1 - CB - CG2 ANGL. DEV. = -11.0 DEGREES REMARK 500 VAL B 182 CG1 - CB - CG2 ANGL. DEV. = 108.7 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PI5 A 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1B6J RELATED DB: PDB REMARK 900 HIV-1 PROTEASE COMPLEXED WITH MACROCYCLIC PEPTIDOMIMETIC INHIBITOR 1 REMARK 900 RELATED ID: 1B6L RELATED DB: PDB REMARK 900 HIV-1 PROTEASE COMPLEXED WITH MACROCYCLIC PEPTIDOMIMETIC INHIBITOR 4 REMARK 900 RELATED ID: 1B6M RELATED DB: PDB REMARK 900 HIV-1 PROTEASE COMPLEXED WITH MACROCYCLIC PEPTIDOMIMETIC INHIBITOR 6 REMARK 900 RELATED ID: 1B6N RELATED DB: PDB REMARK 900 HIV-1 PROTEASE COMPLEXED WITH MACROCYCLIC PEPTIDOMIMETIC INHIBITOR 3 REMARK 900 RELATED ID: 1B6O RELATED DB: PDB REMARK 900 HIV-1 PROTEASE COMPLEXED WITH MACROCYCLIC PEPTIDOMIMETIC INHIBITOR 2 REMARK 900 RELATED ID: 1B6P RELATED DB: PDB REMARK 900 HIV-1 PROTEASE COMPLEXED WITH MACROCYCLIC PEPTIDOMIMETIC INHIBITOR 7 DBREF 1B6K A 1 99 UNP P03369 POL_HV1A2 57 155 DBREF 1B6K B 101 199 UNP P03369 POL_HV1A2 57 155 SEQADV 1B6K ABA A 67 UNP P03369 CYS 123 SEE REMARK 999 SEQADV 1B6K ABA A 95 UNP P03369 CYS 151 SEE REMARK 999 SEQADV 1B6K ABA B 167 UNP P03369 CYS 123 SEE REMARK 999 SEQADV 1B6K ABA B 195 UNP P03369 CYS 151 SEE REMARK 999 SEQADV 1B6K ILE A 33 UNP P03369 LEU 89 SEE REMARK 999 SEQADV 1B6K LYS B 107 UNP P03369 GLN 63 SEE REMARK 999 SEQADV 1B6K ILE B 133 UNP P03369 LEU 89 SEE REMARK 999 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 ASP THR SEQRES 3 A 99 GLY ALA ASP ASP THR VAL ILE GLU GLU MET ASN LEU PRO SEQRES 4 A 99 GLY LYS 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 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 ASP THR SEQRES 3 B 99 GLY ALA ASP ASP THR VAL ILE GLU GLU MET ASN LEU PRO SEQRES 4 B 99 GLY LYS 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 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 1B6K ABA A 67 ALA ALPHA-AMINOBUTYRIC ACID MODRES 1B6K ABA A 95 ALA ALPHA-AMINOBUTYRIC ACID MODRES 1B6K ABA B 167 ALA ALPHA-AMINOBUTYRIC ACID MODRES 1B6K ABA B 195 ALA ALPHA-AMINOBUTYRIC ACID HET ABA A 67 6 HET ABA A 95 6 HET ABA B 167 6 HET ABA B 195 6 HET SO4 A 502 5 HET SO4 A 503 5 HET PI5 A 201 49 HET SO4 B 501 5 HETNAM ABA ALPHA-AMINOBUTYRIC ACID HETNAM SO4 SULFATE ION HETNAM PI5 N-[3-(8-SEC-BUTYL-7,10-DIOXO-2-OXA-6,9-DIAZA- HETNAM 2 PI5 BICYCLO[11.2.2]HEPTADECA-1(16),13(17),14- TRIEN-11- HETNAM 3 PI5 YLAMINO)-2-HYDROXY-1-(4-HYDROXY-BENZYL)-PROPYL]-3- HETNAM 4 PI5 METHYL-2- (2-OXO-PYRROLIDIN-1-YL)-BUTYRAMIDE HETSYN PI5 MACROCYCLIC PEPTIDOMIMETIC INHIBITOR 5 FORMUL 1 ABA 4(C4 H9 N O2) FORMUL 3 SO4 3(O4 S 2-) FORMUL 5 PI5 C37 H53 N5 O7 FORMUL 7 HOH *95(H2 O) HELIX 1 1 GLY A 86 THR A 91 1 6 HELIX 2 2 GLY B 186 THR B 191 1 6 SHEET 1 A 4 GLN A 2 THR A 4 0 SHEET 2 A 4 THR B 196 ASN B 198 -1 O LEU B 197 N ILE A 3 SHEET 3 A 4 THR A 96 ASN A 98 -1 N THR A 96 O ASN B 198 SHEET 4 A 4 GLN B 102 THR B 104 -1 N ILE B 103 O LEU A 97 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 ILE B 166 N ABA B 167 1555 1555 1.33 LINK C ABA B 167 N GLY B 168 1555 1555 1.33 LINK C GLY B 194 N ABA B 195 1555 1555 1.33 LINK C ABA B 195 N THR B 196 1555 1555 1.33 SITE 1 AC1 7 GLY A 68 HIS A 69 LYS A 70 PRO B 101 SITE 2 AC1 7 LYS B 155 HOH B 384 HOH B 389 SITE 1 AC2 4 PRO A 1 ARG A 57 HIS A 69 HOH A 391 SITE 1 AC3 6 ARG A 14 HOH A 357 ARG B 114 GLY B 116 SITE 2 AC3 6 GLY B 117 HOH B 392 SITE 1 AC4 18 ASP A 25 GLY A 27 ALA A 28 ASP A 29 SITE 2 AC4 18 GLY A 48 GLY A 49 PRO A 81 HOH A 301 SITE 3 AC4 18 HOH A 317 HOH A 382 HOH A 395 ARG B 108 SITE 4 AC4 18 ASP B 125 GLY B 127 ALA B 128 ASP B 129 SITE 5 AC4 18 GLY B 148 ILE B 184 CRYST1 51.510 58.970 62.310 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 0.019414 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016958 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016049 0.00000