HEADER VIRAL PROTEIN/INHIBITOR 07-JUL-22 7YF6 TITLE CRYSTAL STRUCTURE OF HIV-1 PROTEASE IN COMPLEX WITH MACROCYCLIC TITLE 2 PEPTIDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: RETROPEPSIN; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: MACROCYCLIC PEPTIDE; COMPND 8 CHAIN: C; COMPND 9 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; SOURCE 6 MOL_ID: 2; SOURCE 7 SYNTHETIC: YES; SOURCE 8 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 9 ORGANISM_TAXID: 32630 KEYWDS VIRAL PROTEIN-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR Y.KUSUMOTO,S.SATO,T.YAMADA,I.KOZONO,Z.NAKATA,N.ASADA,S.MITSUKI, AUTHOR 2 C.WAKASA-MORIMOTO,M.TOHRU,A.WATANABE,K.HAYASHI,H.MIKAMIYAMA REVDAT 4 29-NOV-23 7YF6 1 REMARK REVDAT 3 15-NOV-23 7YF6 1 REMARK LINK ATOM REVDAT 2 05-APR-23 7YF6 1 COMPND SOURCE REMARK DBREF REVDAT 2 2 1 SEQRES HET HETNAM HETSYN REVDAT 2 3 1 FORMUL HELIX LINK ATOM REVDAT 1 02-NOV-22 7YF6 0 JRNL AUTH Y.KUSUMOTO,K.HAYASHI,S.SATO,T.YAMADA,I.KOZONO,Z.NAKATA, JRNL AUTH 2 N.ASADA,S.MITSUKI,A.WATANABE,C.WAKASA-MORIMOTO,K.UEMURA, JRNL AUTH 3 S.ARITA,S.MIKI,T.MIZUTARE,H.MIKAMIYAMA JRNL TITL HIGHLY POTENT AND ORAL MACROCYCLIC PEPTIDES AS A HIV-1 JRNL TITL 2 PROTEASE INHIBITOR: MRNA DISPLAY-DERIVED HIT-TO-LEAD JRNL TITL 3 OPTIMIZATION. JRNL REF ACS MED.CHEM.LETT. V. 13 1634 2022 JRNL REFN ISSN 1948-5875 JRNL PMID 36262395 JRNL DOI 10.1021/ACSMEDCHEMLETT.2C00310 REMARK 2 REMARK 2 RESOLUTION. 2.01 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0218 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.01 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.39 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 12833 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) : 0.194 REMARK 3 R VALUE (WORKING SET) : 0.192 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.700 REMARK 3 FREE R VALUE TEST SET COUNT : 635 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) : 2.01 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.06 REMARK 3 REFLECTION IN BIN (WORKING SET) : 924 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.28 REMARK 3 BIN R VALUE (WORKING SET) : 0.2190 REMARK 3 BIN FREE R VALUE SET COUNT : 41 REMARK 3 BIN FREE R VALUE : 0.3180 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1546 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 98 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.69 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.11000 REMARK 3 B22 (A**2) : -0.11000 REMARK 3 B33 (A**2) : 0.22000 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): 0.201 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.171 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.117 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.222 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.953 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.918 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1576 ; 0.006 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 1545 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2140 ; 1.144 ; 1.990 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3560 ; 0.682 ; 3.001 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 203 ; 5.673 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 49 ;39.146 ;24.490 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 259 ;12.556 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;18.726 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 262 ; 0.065 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1704 ; 0.004 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 282 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL 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 : 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 U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 7YF6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 14-JUL-22. REMARK 100 THE DEPOSITION ID IS D_1300030608. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-NOV-18 REMARK 200 TEMPERATURE (KELVIN) : 100 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 MICROMAX-007 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54178 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13521 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.010 REMARK 200 RESOLUTION RANGE LOW (A) : 31.390 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.05400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.01 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.08 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 6.20 REMARK 200 R MERGE FOR SHELL (I) : 0.27300 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: MOLREP REMARK 200 STARTING MODEL: 4LL3 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.09 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 22.5% W/V POLYETHYLENE GLYCOL 3,350 REMARK 280 AND 0.1 M MAGNESIUM CHLORIDE HEXAHYDRATE, VAPOR DIFFUSION, REMARK 280 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 15.93850 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 61.03900 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 24.66250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 61.03900 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 15.93850 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 24.66250 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5310 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9360 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -45.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 GLN A 7 CG CD OE1 NE2 REMARK 470 LYS A 14 CG CD CE NZ REMARK 470 GLU A 35 CG CD OE1 OE2 REMARK 470 LYS A 43 CG CD CE NZ REMARK 470 PHE A 53 CG CD1 CD2 CE1 CE2 CZ REMARK 470 GLU A 65 CG CD OE1 OE2 REMARK 470 LYS A 70 CG CD CE NZ REMARK 470 GLU B 21 CG CD OE1 OE2 REMARK 470 GLU B 34 CG CD OE1 OE2 REMARK 470 GLU B 35 CG CD OE1 OE2 REMARK 470 ASN B 37 CG OD1 ND2 REMARK 470 ARG B 41 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 43 CG CD CE NZ 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 N PHE C 1 C ESD C 9 1.33 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 MET B 36 138.46 -172.28 REMARK 500 REMARK 500 REMARK: NULL DBREF 7YF6 A 1 99 UNP Q9WFL7 Q9WFL7_9HIV1 7 105 DBREF 7YF6 B 1 99 UNP Q9WFL7 Q9WFL7_9HIV1 7 105 DBREF 7YF6 C 1 9 PDB 7YF6 7YF6 1 9 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 ASN 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 ASN 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 SEQRES 1 C 9 PHE VAL PRO VAL LEU TRP LEU MEA ESD HET MEA C 8 12 HET ESD C 9 7 HET MG B 101 1 HETNAM MEA N-METHYLPHENYLALANINE HETNAM ESD (2-AMINO-ETHYLSULFANYL)-ACETIC ACID HETNAM MG MAGNESIUM ION FORMUL 3 MEA C10 H13 N O2 FORMUL 3 ESD C4 H9 N O2 S FORMUL 4 MG MG 2+ FORMUL 5 HOH *98(H2 O) HELIX 1 AA1 GLY A 86 THR A 91 1 6 HELIX 2 AA2 GLY B 86 THR B 91 1 6 HELIX 3 AA3 VAL C 2 TRP C 6 5 5 SHEET 1 AA1 4 GLN A 2 ILE A 3 0 SHEET 2 AA1 4 THR B 96 ASN B 98 -1 O LEU B 97 N ILE A 3 SHEET 3 AA1 4 THR A 96 ASN A 98 -1 N THR A 96 O ASN B 98 SHEET 4 AA1 4 GLN B 2 ILE B 3 -1 O ILE B 3 N LEU A 97 SHEET 1 AA2 8 LYS A 43 GLY A 49 0 SHEET 2 AA2 8 GLY A 52 ILE A 66 -1 O GLN A 58 N LYS A 43 SHEET 3 AA2 8 HIS A 69 VAL A 77 -1 O ALA A 71 N ILE A 64 SHEET 4 AA2 8 THR A 31 LEU A 33 1 N LEU A 33 O LEU A 76 SHEET 5 AA2 8 ILE A 84 ILE A 85 -1 O ILE A 84 N VAL A 32 SHEET 6 AA2 8 GLN A 18 LEU A 24 1 N LEU A 23 O ILE A 85 SHEET 7 AA2 8 LEU A 10 ILE A 15 -1 N ILE A 13 O LYS A 20 SHEET 8 AA2 8 GLY A 52 ILE A 66 -1 O GLU A 65 N LYS A 14 SHEET 1 AA3 8 LYS B 43 GLY B 48 0 SHEET 2 AA3 8 PHE B 53 ILE B 66 -1 O GLN B 58 N LYS B 43 SHEET 3 AA3 8 HIS B 69 VAL B 77 -1 O ALA B 71 N ILE B 64 SHEET 4 AA3 8 VAL B 32 LEU B 33 1 N LEU B 33 O LEU B 76 SHEET 5 AA3 8 ILE B 84 ILE B 85 -1 O ILE B 84 N VAL B 32 SHEET 6 AA3 8 GLN B 18 LEU B 24 1 N LEU B 23 O ILE B 85 SHEET 7 AA3 8 LEU B 10 ILE B 15 -1 N VAL B 11 O ALA B 22 SHEET 8 AA3 8 PHE B 53 ILE B 66 -1 O GLU B 65 N LYS B 14 LINK C LEU C 7 N MEA C 8 1555 1555 1.29 LINK C MEA C 8 N ESD C 9 1555 1555 1.27 CRYST1 31.877 49.325 122.078 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 0.031371 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020274 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008191 0.00000