HEADER VIRAL PROTEIN/INHIBITOR 11-MAY-18 5ZVK TITLE CRYSTAL STRUCTURE OF THE HUMAN CORONAVIRUS MERS HR1 MOTIF IN COMPLEX TITLE 2 WITH PAN-COVS INHIBITOR EK1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: HUMAN CORONAVIRUS MERS HR1 MOTIF; COMPND 3 CHAIN: A, B, C; COMPND 4 FRAGMENT: UNP RESIDUES 984-1062; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PAN-COV INHIBITORY PEPTIDE EK1; COMPND 8 CHAIN: a, b, c; COMPND 9 ENGINEERED: YES; COMPND 10 OTHER_DETAILS: THE MANUALLY DESIGNED EK1 INHIBITOR WAS MODIFIED FROM COMPND 11 A CORONAVIRUS SEQUENCE (UNP P36334 SPIKE_CVHOC, UNP RESIDUES 1252- COMPND 12 1288). SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MIDDLE EAST RESPIRATORY SYNDROME-RELATED SOURCE 3 CORONAVIRUS; SOURCE 4 ORGANISM_COMMON: MERS CORONAVIRUS, MERS-COV; SOURCE 5 ORGANISM_TAXID: 1335626; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 10 ORGANISM_TAXID: 32630; SOURCE 11 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 12 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS MERS, SPIKE PROTEIN, S2 DOMAIN, HR1 MOTIF, PAN-CORONAVIRUS, VIRAL KEYWDS 2 PROTEIN-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR L.YAN,B.YANG,I.A.WILSON REVDAT 5 22-NOV-23 5ZVK 1 REMARK REVDAT 4 28-AUG-19 5ZVK 1 REMARK REVDAT 3 15-MAY-19 5ZVK 1 JRNL REVDAT 2 17-APR-19 5ZVK 1 SOURCE REVDAT 1 10-APR-19 5ZVK 0 JRNL AUTH S.XIA,L.YAN,W.XU,A.S.AGRAWAL,A.ALGAISSI,C.K.TSENG,Q.WANG, JRNL AUTH 2 L.DU,W.TAN,I.A.WILSON,S.JIANG,B.YANG,L.LU JRNL TITL A PAN-CORONAVIRUS FUSION INHIBITOR TARGETING THE HR1 DOMAIN JRNL TITL 2 OF HUMAN CORONAVIRUS SPIKE. JRNL REF SCI ADV V. 5 V4580 2019 JRNL REFN ESSN 2375-2548 JRNL PMID 30989115 JRNL DOI 10.1126/SCIADV.AAV4580 REMARK 2 REMARK 2 RESOLUTION. 3.31 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.10.1_2155: ???) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.31 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.80 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.380 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 5953 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.262 REMARK 3 R VALUE (WORKING SET) : 0.259 REMARK 3 FREE R VALUE : 0.314 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.690 REMARK 3 FREE R VALUE TEST SET COUNT : 339 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 3.4300 - 3.3100 0.00 0 0 0.3400 0.3180 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.440 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 37.170 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 109.0 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.002 2356 REMARK 3 ANGLE : 0.552 3163 REMARK 3 CHIRALITY : 0.036 378 REMARK 3 PLANARITY : 0.002 408 REMARK 3 DIHEDRAL : 15.396 1456 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 36.3284 34.8555 188.4057 REMARK 3 T TENSOR REMARK 3 T11: 0.6780 T22: 0.6651 REMARK 3 T33: 0.7339 T12: 0.1873 REMARK 3 T13: 0.0751 T23: 0.1082 REMARK 3 L TENSOR REMARK 3 L11: 7.0740 L22: 3.4631 REMARK 3 L33: 2.4813 L12: -3.7619 REMARK 3 L13: -2.5162 L23: 1.5613 REMARK 3 S TENSOR REMARK 3 S11: 0.4311 S12: 0.4167 S13: 0.0777 REMARK 3 S21: -0.3267 S22: -0.2002 S23: 0.2979 REMARK 3 S31: -0.5074 S32: -0.5441 S33: -0.2010 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5ZVK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 25-MAY-18. REMARK 100 THE DEPOSITION ID IS D_1300007721. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-JAN-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL19U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9785 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-3000 REMARK 200 DATA SCALING SOFTWARE : HKL-3000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6009 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.310 REMARK 200 RESOLUTION RANGE LOW (A) : 25.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 11.70 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.31 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.43 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 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 : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: 4MOD REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.86 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M KSCN, PH 7.0, 20% PEG3350, REMARK 280 EVAPORATION, TEMPERATURE 293K 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 58.40933 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 116.81867 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 116.81867 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 58.40933 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: 14210 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16840 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -119.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 SER A 983 REMARK 465 GLY A 984 REMARK 465 ILE A 985 REMARK 465 GLN A 1056 REMARK 465 ARG A 1057 REMARK 465 LEU A 1058 REMARK 465 ASP A 1059 REMARK 465 VAL A 1060 REMARK 465 LEU A 1061 REMARK 465 GLU A 1062 REMARK 465 SER B 983 REMARK 465 GLY B 984 REMARK 465 ILE B 985 REMARK 465 GLN B 1056 REMARK 465 ARG B 1057 REMARK 465 LEU B 1058 REMARK 465 ASP B 1059 REMARK 465 VAL B 1060 REMARK 465 LEU B 1061 REMARK 465 GLU B 1062 REMARK 465 SER C 983 REMARK 465 GLY C 984 REMARK 465 ILE C 985 REMARK 465 GLN C 1056 REMARK 465 ARG C 1057 REMARK 465 LEU C 1058 REMARK 465 ASP C 1059 REMARK 465 VAL C 1060 REMARK 465 LEU C 1061 REMARK 465 GLU C 1062 REMARK 465 SER a 1 REMARK 465 GLY a 2 REMARK 465 GLY a 3 REMARK 465 ARG a 4 REMARK 465 GLY a 5 REMARK 465 GLY a 6 REMARK 465 SER a 7 REMARK 465 LEU a 8 REMARK 465 ASP a 9 REMARK 465 GLN a 10 REMARK 465 ILE a 11 REMARK 465 LEU a 42 REMARK 465 GLY a 43 REMARK 465 GLY a 44 REMARK 465 SER b 1 REMARK 465 GLY b 2 REMARK 465 GLY b 3 REMARK 465 ARG b 4 REMARK 465 GLY b 5 REMARK 465 GLY b 6 REMARK 465 SER b 7 REMARK 465 LEU b 8 REMARK 465 ASP b 9 REMARK 465 GLU b 41 REMARK 465 LEU b 42 REMARK 465 GLY b 43 REMARK 465 GLY b 44 REMARK 465 SER c 1 REMARK 465 GLY c 2 REMARK 465 GLY c 3 REMARK 465 ARG c 4 REMARK 465 GLY c 5 REMARK 465 GLY c 6 REMARK 465 SER c 7 REMARK 465 LEU c 8 REMARK 465 ASP c 9 REMARK 465 GLN c 10 REMARK 465 GLU c 41 REMARK 465 LEU c 42 REMARK 465 GLY c 43 REMARK 465 GLY c 44 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 LEU c 39 71.81 41.51 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5ZUV RELATED DB: PDB REMARK 900 5ZUV CONTAINS THE SAME PEPTIDE COMPLEXED WITH 229E HR1 MOTIF REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE PROTEIN USED FOR CRYSTALLIZATION IS A HR1-SGGRGG-EK1 FUSION REMARK 999 PROTEIN THAT CONTAINS MERS HR1 MOTIF, FOLLOWED BY SGGRGG LINKER, REMARK 999 FOLLOWED BY MANUALLY DESIGNED EK1 PEPTIDE. DBREF 5ZVK A 984 1062 UNP W6A0A7 W6A0A7_9BETC 984 1062 DBREF 5ZVK B 984 1062 UNP W6A0A7 W6A0A7_9BETC 984 1062 DBREF 5ZVK C 984 1062 UNP W6A0A7 W6A0A7_9BETC 984 1062 DBREF 5ZVK a 1 44 PDB 5ZVK 5ZVK 1 44 DBREF 5ZVK b 1 44 PDB 5ZVK 5ZVK 1 44 DBREF 5ZVK c 1 44 PDB 5ZVK 5ZVK 1 44 SEQADV 5ZVK SER A 983 UNP W6A0A7 EXPRESSION TAG SEQADV 5ZVK SER B 983 UNP W6A0A7 EXPRESSION TAG SEQADV 5ZVK SER C 983 UNP W6A0A7 EXPRESSION TAG SEQRES 1 A 80 SER GLY ILE THR GLN GLN VAL LEU SER GLU ASN GLN LYS SEQRES 2 A 80 LEU ILE ALA ASN LYS PHE ASN GLN ALA LEU GLY ALA MET SEQRES 3 A 80 GLN THR GLY PHE THR THR THR ASN GLU ALA PHE ARG LYS SEQRES 4 A 80 VAL GLN ASP ALA VAL ASN ASN ASN ALA GLN ALA LEU SER SEQRES 5 A 80 LYS LEU ALA SER GLU LEU SER ASN THR PHE GLY ALA ILE SEQRES 6 A 80 SER ALA SER ILE GLY ASP ILE ILE GLN ARG LEU ASP VAL SEQRES 7 A 80 LEU GLU SEQRES 1 B 80 SER GLY ILE THR GLN GLN VAL LEU SER GLU ASN GLN LYS SEQRES 2 B 80 LEU ILE ALA ASN LYS PHE ASN GLN ALA LEU GLY ALA MET SEQRES 3 B 80 GLN THR GLY PHE THR THR THR ASN GLU ALA PHE ARG LYS SEQRES 4 B 80 VAL GLN ASP ALA VAL ASN ASN ASN ALA GLN ALA LEU SER SEQRES 5 B 80 LYS LEU ALA SER GLU LEU SER ASN THR PHE GLY ALA ILE SEQRES 6 B 80 SER ALA SER ILE GLY ASP ILE ILE GLN ARG LEU ASP VAL SEQRES 7 B 80 LEU GLU SEQRES 1 C 80 SER GLY ILE THR GLN GLN VAL LEU SER GLU ASN GLN LYS SEQRES 2 C 80 LEU ILE ALA ASN LYS PHE ASN GLN ALA LEU GLY ALA MET SEQRES 3 C 80 GLN THR GLY PHE THR THR THR ASN GLU ALA PHE ARG LYS SEQRES 4 C 80 VAL GLN ASP ALA VAL ASN ASN ASN ALA GLN ALA LEU SER SEQRES 5 C 80 LYS LEU ALA SER GLU LEU SER ASN THR PHE GLY ALA ILE SEQRES 6 C 80 SER ALA SER ILE GLY ASP ILE ILE GLN ARG LEU ASP VAL SEQRES 7 C 80 LEU GLU SEQRES 1 a 44 SER GLY GLY ARG GLY GLY SER LEU ASP GLN ILE ASN VAL SEQRES 2 a 44 THR PHE LEU ASP LEU GLU TYR GLU MET LYS LYS LEU GLU SEQRES 3 a 44 GLU ALA ILE LYS LYS LEU GLU GLU SER TYR ILE ASP LEU SEQRES 4 a 44 LYS GLU LEU GLY GLY SEQRES 1 b 44 SER GLY GLY ARG GLY GLY SER LEU ASP GLN ILE ASN VAL SEQRES 2 b 44 THR PHE LEU ASP LEU GLU TYR GLU MET LYS LYS LEU GLU SEQRES 3 b 44 GLU ALA ILE LYS LYS LEU GLU GLU SER TYR ILE ASP LEU SEQRES 4 b 44 LYS GLU LEU GLY GLY SEQRES 1 c 44 SER GLY GLY ARG GLY GLY SER LEU ASP GLN ILE ASN VAL SEQRES 2 c 44 THR PHE LEU ASP LEU GLU TYR GLU MET LYS LYS LEU GLU SEQRES 3 c 44 GLU ALA ILE LYS LYS LEU GLU GLU SER TYR ILE ASP LEU SEQRES 4 c 44 LYS GLU LEU GLY GLY HELIX 1 AA1 THR A 986 ILE A 1055 1 70 HELIX 2 AA2 GLN B 987 ILE B 1055 1 69 HELIX 3 AA3 GLN C 987 ASP C 1053 1 67 HELIX 4 AA4 LEU a 18 GLU a 34 1 17 HELIX 5 AA5 LEU b 18 GLU b 34 1 17 HELIX 6 AA6 LEU c 18 GLU c 34 1 17 CRYST1 60.280 60.280 175.228 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 0.016589 0.009578 0.000000 0.00000 SCALE2 0.000000 0.019156 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005707 0.00000