HEADER VIRAL PROTEIN/INHIBITOR 28-MAY-07 2Z2T TITLE CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN GP41 FRAGMENT N36 AND FUSION TITLE 2 INHIBITOR SC34EK COMPND MOL_ID: 1; COMPND 2 MOLECULE: GP41 FRAGMENT N36; COMPND 3 CHAIN: A, B, C; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: FUSION INHIBITOR PEPTIDE SC34EK; COMPND 7 CHAIN: D, E, F; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: PEPTIDE SYNTHESIS; SOURCE 4 MOL_ID: 2; SOURCE 5 SYNTHETIC: YES; SOURCE 6 OTHER_DETAILS: PEPTIDE SYNTHESIS KEYWDS COILED-COIL, VIRAL PROTEIN-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.NAKAMURA,T.OHKUBO,Y.KOBAYASHI REVDAT 4 15-NOV-23 2Z2T 1 REMARK REVDAT 3 01-NOV-23 2Z2T 1 REMARK LINK REVDAT 2 24-FEB-09 2Z2T 1 VERSN REVDAT 1 03-JUN-08 2Z2T 0 JRNL AUTH H.NISHIKAWA,S.NAKAMURA,E.KODAMA,S.ITO,K.KAJIWARA,K.IZUMI, JRNL AUTH 2 Y.SAKAGAMI,S.OISHI,T.OHKUBO,Y.KOBAYASHI,N.FUJII,M.MATSUOKA JRNL TITL INTRAHELICAL SALT-BRIDGES IN A-HELICAL PEPTIDE ENHANCES ITS JRNL TITL 2 BINDING TO THE TARGET: A NEW DESIGN FOR HIV-1 FUSION JRNL TITL 3 INHIBITORS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.85 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 27843 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) : 0.215 REMARK 3 R VALUE (WORKING SET) : 0.213 REMARK 3 FREE R VALUE : 0.238 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1494 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.15 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2029 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.2310 REMARK 3 BIN FREE R VALUE SET COUNT : 106 REMARK 3 BIN FREE R VALUE : 0.2550 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1830 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 9 REMARK 3 SOLVENT ATOMS : 171 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 35.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.93 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.01000 REMARK 3 B22 (A**2) : 0.01000 REMARK 3 B33 (A**2) : -0.01000 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): 0.145 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.137 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.092 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.373 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.935 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.914 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1855 ; 0.010 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2463 ; 1.015 ; 1.983 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 198 ; 3.788 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 102 ;30.110 ;26.765 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 396 ;15.896 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ;18.850 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 267 ; 0.075 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1309 ; 0.003 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 890 ; 0.183 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1265 ; 0.280 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 134 ; 0.149 ; 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): 21 ; 0.125 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 15 ; 0.158 ; 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): 1122 ; 0.806 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1697 ; 1.228 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 859 ; 2.203 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 766 ; 3.725 ; 4.500 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: NULL REMARK 4 REMARK 4 2Z2T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 30-MAY-07. REMARK 100 THE DEPOSITION ID IS D_1000027449. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-APR-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL38B1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RIGAKU JUPITER 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29461 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 90.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.12200 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1AIK REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 74.62 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.85 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM SODIUM ACETATE BUFFER, PH4.0, REMARK 280 200MM AMMONIUM SULPHATE, 14% PEG2000MME, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 26.10267 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 52.20533 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 52.20533 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 26.10267 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 13400 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11460 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -106.8 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F 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 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 ILE B2580 O - C - N ANGL. DEV. = -13.8 DEGREES REMARK 500 LYS D1661 C - N - CA ANGL. DEV. = 16.2 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 ILE B2580 -15.13 REMARK 500 LEU E2660 -12.56 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 E 4001 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY C 5001 DBREF 2Z2T A 1546 1581 PDB 2Z2T 2Z2T 1546 1581 DBREF 2Z2T B 2546 2581 PDB 2Z2T 2Z2T 2546 2581 DBREF 2Z2T C 3546 3581 PDB 2Z2T 2Z2T 3546 3581 DBREF 2Z2T D 1628 1661 PDB 2Z2T 2Z2T 1628 1661 DBREF 2Z2T E 2628 2661 PDB 2Z2T 2Z2T 2628 2661 DBREF 2Z2T F 3628 3661 PDB 2Z2T 2Z2T 3628 3661 SEQRES 1 A 38 ACE SER ASP ILE VAL GLN GLN GLN ASN ASN LEU LEU ARG SEQRES 2 A 38 ALA ILE GLU ALA GLN GLN HIS LEU LEU GLN LEU THR VAL SEQRES 3 A 38 TRP GLY ILE LYS GLN LEU GLN ALA ARG ILE LEU NH2 SEQRES 1 B 38 ACE SER ASP ILE VAL GLN GLN GLN ASN ASN LEU LEU ARG SEQRES 2 B 38 ALA ILE GLU ALA GLN GLN HIS LEU LEU GLN LEU THR VAL SEQRES 3 B 38 TRP GLY ILE LYS GLN LEU GLN ALA ARG ILE LEU NH2 SEQRES 1 C 38 ACE SER ASP ILE VAL GLN GLN GLN ASN ASN LEU LEU ARG SEQRES 2 C 38 ALA ILE GLU ALA GLN GLN HIS LEU LEU GLN LEU THR VAL SEQRES 3 C 38 TRP GLY ILE LYS GLN LEU GLN ALA ARG ILE LEU NH2 SEQRES 1 D 36 ACE TRP NLE GLU TRP ASP ARG LYS ILE GLU GLU TYR THR SEQRES 2 D 36 LYS LYS ILE GLU GLU LEU ILE LYS LYS SER GLN GLU GLN SEQRES 3 D 36 GLN GLU LYS ASN GLU LYS GLU LEU LYS NH2 SEQRES 1 E 36 ACE TRP NLE GLU TRP ASP ARG LYS ILE GLU GLU TYR THR SEQRES 2 E 36 LYS LYS ILE GLU GLU LEU ILE LYS LYS SER GLN GLU GLN SEQRES 3 E 36 GLN GLU LYS ASN GLU LYS GLU LEU LYS NH2 SEQRES 1 F 36 ACE TRP NLE GLU TRP ASP ARG LYS ILE GLU GLU TYR THR SEQRES 2 F 36 LYS LYS ILE GLU GLU LEU ILE LYS LYS SER GLN GLU GLN SEQRES 3 F 36 GLN GLU LYS ASN GLU LYS GLU LEU LYS NH2 MODRES 2Z2T NLE D 1629 LEU NORLEUCINE MODRES 2Z2T NLE E 2629 LEU NORLEUCINE MODRES 2Z2T NLE F 3629 LEU NORLEUCINE HET ACE A1545 3 HET NH2 A1582 1 HET ACE B2545 3 HET NH2 B2582 1 HET ACE C3545 3 HET NH2 C3582 1 HET ACE D1627 3 HET NLE D1629 8 HET NH2 D1662 1 HET ACE E2627 3 HET NLE E2629 8 HET NH2 E2662 1 HET ACE F3627 3 HET NLE F3629 8 HET NH2 F3662 1 HET ACY C5001 4 HET SO4 E4001 5 HETNAM ACE ACETYL GROUP HETNAM NH2 AMINO GROUP HETNAM NLE NORLEUCINE HETNAM ACY ACETIC ACID HETNAM SO4 SULFATE ION FORMUL 1 ACE 6(C2 H4 O) FORMUL 1 NH2 6(H2 N) FORMUL 4 NLE 3(C6 H13 N O2) FORMUL 7 ACY C2 H4 O2 FORMUL 8 SO4 O4 S 2- FORMUL 9 HOH *171(H2 O) HELIX 1 1 SER A 1546 LEU A 1581 1 36 HELIX 2 2 SER B 2546 LEU B 2581 1 36 HELIX 3 3 SER C 3546 LEU C 3581 1 36 HELIX 4 4 TRP D 1628 LYS D 1661 1 34 HELIX 5 5 TRP E 2628 LYS E 2661 1 34 HELIX 6 6 TRP F 3628 LYS F 3661 1 34 LINK C ACE A1545 N SER A1546 1555 1555 1.34 LINK C LEU A1581 N NH2 A1582 1555 1555 1.34 LINK C ACE B2545 N SER B2546 1555 1555 1.34 LINK C LEU B2581 N NH2 B2582 1555 1555 1.33 LINK C ACE C3545 N SER C3546 1555 1555 1.33 LINK C LEU C3581 N NH2 C3582 1555 1555 1.34 LINK C ACE D1627 N TRP D1628 1555 1555 1.33 LINK C TRP D1628 N NLE D1629 1555 1555 1.33 LINK C NLE D1629 N GLU D1630 1555 1555 1.33 LINK C LYS D1661 N NH2 D1662 1555 1555 1.34 LINK C ACE E2627 N TRP E2628 1555 1555 1.33 LINK C TRP E2628 N NLE E2629 1555 1555 1.33 LINK C NLE E2629 N GLU E2630 1555 1555 1.33 LINK C LYS E2661 N NH2 E2662 1555 1555 1.33 LINK C ACE F3627 N TRP F3628 1555 1555 1.33 LINK C TRP F3628 N NLE F3629 1555 1555 1.33 LINK C NLE F3629 N GLU F3630 1555 1555 1.33 LINK C LYS F3661 N NH2 F3662 1555 1555 1.34 SITE 1 AC1 3 TRP D1628 TRP E2628 GLU E2630 SITE 1 BC5 3 GLN C3550 ARG C3579 GLN F3652 CRYST1 105.014 105.014 78.308 90.00 90.00 120.00 P 31 2 1 18 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 0.009523 0.005498 0.000000 0.00000 SCALE2 0.000000 0.010996 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012770 0.00000 HETATM 1 C ACE A1545 7.134 38.894 21.480 1.00 37.73 C HETATM 2 O ACE A1545 8.332 39.183 21.448 1.00 37.29 O HETATM 3 CH3 ACE A1545 6.119 39.709 20.724 1.00 37.64 C