HEADER DE NOVO PROTEIN 28-OCT-14 4WSL TITLE CRYSTAL STRUCTURE OF DESIGNED CPPR-POLYC PROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: PENTATRICOPEPTIDE REPEAT PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 3 ORGANISM_TAXID: 32630; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: ER2566 KEYWDS DESIGNER RNA-BINDING PROTEINS, PENTATRICOPEPTIDE REPEAT, SYNTHETIC KEYWDS 2 BIOLOGY, RNA-PROTEIN INTERACTIONS, DE NOVO PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.C.COQUILLE,A.FILIPOVSKA,T.S.CHIA,L.RAJAPPA,J.P.LINGFORD, AUTHOR 2 M.F.M.RAZIF,S.THORE,O.RACKHAM REVDAT 4 10-JAN-24 4WSL 1 REMARK REVDAT 3 12-DEC-18 4WSL 1 COMPND SOURCE REVDAT 2 20-JUL-16 4WSL 1 JRNL REVDAT 1 24-DEC-14 4WSL 0 JRNL AUTH S.COQUILLE,A.FILIPOVSKA,T.CHIA,L.RAJAPPA,J.P.LINGFORD, JRNL AUTH 2 M.F.RAZIF,S.THORE,O.RACKHAM JRNL TITL AN ARTIFICIAL PPR SCAFFOLD FOR PROGRAMMABLE RNA RECOGNITION. JRNL REF NAT COMMUN V. 5 5729 2014 JRNL REFN ESSN 2041-1723 JRNL PMID 25517350 JRNL DOI 10.1038/NCOMMS6729 REMARK 2 REMARK 2 RESOLUTION. 3.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8.1_1168) 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 : MLHL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 9.97 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 4332 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.261 REMARK 3 R VALUE (WORKING SET) : 0.258 REMARK 3 FREE R VALUE : 0.309 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.990 REMARK 3 FREE R VALUE TEST SET COUNT : 216 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 9.9654 - 4.5851 1.00 2104 111 0.2266 0.2698 REMARK 3 2 4.5851 - 3.7003 0.99 2012 105 0.3338 0.4016 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL 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) : 0.300 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 36.510 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 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 : 0.036 2222 REMARK 3 ANGLE : 1.383 2937 REMARK 3 CHIRALITY : 0.060 361 REMARK 3 PLANARITY : 0.012 352 REMARK 3 DIHEDRAL : 19.292 831 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 1 THROUGH 29 ) REMARK 3 ORIGIN FOR THE GROUP (A): 10.7907 35.6034 -3.3031 REMARK 3 T TENSOR REMARK 3 T11: 1.1180 T22: 2.0351 REMARK 3 T33: 1.8426 T12: 0.0130 REMARK 3 T13: 0.4595 T23: -0.5436 REMARK 3 L TENSOR REMARK 3 L11: 0.0115 L22: 0.0311 REMARK 3 L33: 0.0586 L12: 0.0403 REMARK 3 L13: -0.0287 L23: 0.0116 REMARK 3 S TENSOR REMARK 3 S11: 1.0472 S12: 0.0937 S13: -0.0237 REMARK 3 S21: -0.7201 S22: 0.8255 S23: 0.8774 REMARK 3 S31: -0.7555 S32: -1.0181 S33: 234.1529 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 30 THROUGH 172 ) REMARK 3 ORIGIN FOR THE GROUP (A): 27.8165 56.7692 0.3970 REMARK 3 T TENSOR REMARK 3 T11: 0.8303 T22: 0.9480 REMARK 3 T33: 0.5665 T12: -0.2694 REMARK 3 T13: 0.0590 T23: -0.1245 REMARK 3 L TENSOR REMARK 3 L11: 1.4470 L22: 0.5863 REMARK 3 L33: 0.1124 L12: -0.2953 REMARK 3 L13: 0.5445 L23: 0.4999 REMARK 3 S TENSOR REMARK 3 S11: -0.7294 S12: 0.6381 S13: -0.1522 REMARK 3 S21: 0.0011 S22: 0.7440 S23: -0.0014 REMARK 3 S31: -0.1765 S32: 0.9461 S33: -0.3435 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 173 THROUGH 285 ) REMARK 3 ORIGIN FOR THE GROUP (A): 11.6886 88.8302 8.2020 REMARK 3 T TENSOR REMARK 3 T11: 0.7373 T22: 0.9174 REMARK 3 T33: 1.2546 T12: -0.1445 REMARK 3 T13: -0.4663 T23: 0.4144 REMARK 3 L TENSOR REMARK 3 L11: 1.2234 L22: -0.0926 REMARK 3 L33: 0.3638 L12: 0.7099 REMARK 3 L13: -0.2571 L23: 0.2225 REMARK 3 S TENSOR REMARK 3 S11: -0.2152 S12: 0.4526 S13: 0.7053 REMARK 3 S21: -0.4578 S22: 0.1065 S23: 0.0648 REMARK 3 S31: -0.0978 S32: 0.1297 S33: -13.3578 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 4WSL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 28-OCT-14. REMARK 100 THE DEPOSITION ID IS D_1000204119. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-OCT-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.7 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X06DA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00004 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 2M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 4569 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.700 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 6.100 REMARK 200 R MERGE (I) : 0.09300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.7800 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.20 REMARK 200 R MERGE FOR SHELL (I) : 1.38100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.810 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 4PJR REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.38 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 28% PEG4000_GLYCEROL MIX, REMARK 280 MES/IMIDAZOLE PH 6.7, 0.03M CALCIUM CHLORIDE, 0.03M MAGNESIUM REMARK 280 CHLORIDE, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 291.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y,X,Z+3/4 REMARK 290 4555 Y,-X,Z+1/4 REMARK 290 5555 -X,Y,-Z REMARK 290 6555 X,-Y,-Z+1/2 REMARK 290 7555 Y,X,-Z+1/4 REMARK 290 8555 -Y,-X,-Z+3/4 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 27.87500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 41.81250 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 13.93750 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 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 27.87500 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 13.93750 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 41.81250 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 0 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15390 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 GLY A 294 REMARK 465 LYS A 295 REMARK 465 ALA A 296 REMARK 465 GLY A 297 REMARK 465 CYS A 298 REMARK 465 GLY A 299 REMARK 465 ARG A 300 REMARK 465 ALA A 301 REMARK 465 LEU A 302 REMARK 465 GLU A 303 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 O THR A 180 OG1 THR A 183 2.11 REMARK 500 O THR A 218 OG SER A 221 2.12 REMARK 500 O THR A 183 OG SER A 186 2.13 REMARK 500 O THR A 78 OG SER A 81 2.17 REMARK 500 OG SER A 177 OG1 THR A 180 2.18 REMARK 500 NZ LYS A 135 OE2 GLU A 168 2.19 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 ASN A 2 -84.79 -102.87 REMARK 500 SER A 3 -68.68 -128.14 REMARK 500 ALA A 51 49.39 -85.48 REMARK 500 ARG A 53 83.65 -34.12 REMARK 500 PRO A 71 -178.81 -57.51 REMARK 500 SER A 72 90.82 -164.05 REMARK 500 VAL A 73 -82.09 47.93 REMARK 500 THR A 75 -72.65 -54.69 REMARK 500 ARG A 88 48.22 -72.48 REMARK 500 LEU A 89 -70.28 -47.69 REMARK 500 THR A 110 -72.04 -55.07 REMARK 500 ARG A 123 90.57 -53.53 REMARK 500 LEU A 159 -80.30 51.00 REMARK 500 GLU A 195 -77.84 -49.22 REMARK 500 ARG A 228 48.71 -91.52 REMARK 500 GLU A 241 26.52 -77.85 REMARK 500 ARG A 263 -42.26 64.39 REMARK 500 LEU A 264 -80.11 63.96 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4PJR RELATED DB: PDB REMARK 900 RELATED ID: 4PJS RELATED DB: PDB REMARK 900 RELATED ID: 4PJQ RELATED DB: PDB REMARK 900 RELATED ID: 4WN4 RELATED DB: PDB DBREF 4WSL A 1 303 PDB 4WSL 4WSL 1 303 SEQRES 1 A 303 GLY ASN SER VAL THR TYR ASN THR LEU ILE SER GLY LEU SEQRES 2 A 303 GLY LYS ALA GLY ARG LEU GLU GLU ALA LEU GLU LEU PHE SEQRES 3 A 303 GLU GLU MET LYS GLU LYS GLY ILE VAL PRO SER VAL VAL SEQRES 4 A 303 THR TYR ASN THR LEU ILE SER GLY LEU GLY LYS ALA GLY SEQRES 5 A 303 ARG LEU GLU GLU ALA LEU GLU LEU PHE GLU GLU MET LYS SEQRES 6 A 303 GLU LYS GLY ILE VAL PRO SER VAL VAL THR TYR ASN THR SEQRES 7 A 303 LEU ILE SER GLY LEU GLY LYS ALA GLY ARG LEU GLU GLU SEQRES 8 A 303 ALA LEU GLU LEU PHE GLU GLU MET LYS GLU LYS GLY ILE SEQRES 9 A 303 VAL PRO SER VAL VAL THR TYR ASN THR LEU ILE SER GLY SEQRES 10 A 303 LEU GLY LYS ALA GLY ARG LEU GLU GLU ALA LEU GLU LEU SEQRES 11 A 303 PHE GLU GLU MET LYS GLU LYS GLY ILE VAL PRO SER VAL SEQRES 12 A 303 VAL THR TYR ASN THR LEU ILE SER GLY LEU GLY LYS ALA SEQRES 13 A 303 GLY ARG LEU GLU GLU ALA LEU GLU LEU PHE GLU GLU MET SEQRES 14 A 303 LYS GLU LYS GLY ILE VAL PRO SER VAL VAL THR TYR ASN SEQRES 15 A 303 THR LEU ILE SER GLY LEU GLY LYS ALA GLY ARG LEU GLU SEQRES 16 A 303 GLU ALA LEU GLU LEU PHE GLU GLU MET LYS GLU LYS GLY SEQRES 17 A 303 ILE VAL PRO SER VAL VAL THR TYR ASN THR LEU ILE SER SEQRES 18 A 303 GLY LEU GLY LYS ALA GLY ARG LEU GLU GLU ALA LEU GLU SEQRES 19 A 303 LEU PHE GLU GLU MET LYS GLU LYS GLY ILE VAL PRO SER SEQRES 20 A 303 VAL VAL THR TYR ASN THR LEU ILE SER GLY LEU GLY LYS SEQRES 21 A 303 ALA GLY ARG LEU GLU GLU ALA LEU GLU LEU PHE GLU GLU SEQRES 22 A 303 MET LYS GLU LYS GLY ILE VAL PRO SER VAL VAL THR TYR SEQRES 23 A 303 ASN THR LEU ILE SER GLY LEU GLY LYS ALA GLY CYS GLY SEQRES 24 A 303 ARG ALA LEU GLU HELIX 1 AA1 SER A 3 GLY A 17 1 15 HELIX 2 AA2 LEU A 19 MET A 29 1 11 HELIX 3 AA3 SER A 37 ALA A 51 1 15 HELIX 4 AA4 LEU A 54 GLU A 66 1 13 HELIX 5 AA5 VAL A 73 ALA A 86 1 14 HELIX 6 AA6 ARG A 88 LYS A 102 1 15 HELIX 7 AA7 SER A 107 ALA A 121 1 15 HELIX 8 AA8 LEU A 124 LYS A 137 1 14 HELIX 9 AA9 SER A 142 GLY A 157 1 16 HELIX 10 AB1 LEU A 159 GLY A 173 1 15 HELIX 11 AB2 SER A 177 ALA A 191 1 15 HELIX 12 AB3 ARG A 193 GLU A 206 1 14 HELIX 13 AB4 SER A 212 GLY A 227 1 16 HELIX 14 AB5 ARG A 228 GLU A 241 1 14 HELIX 15 AB6 SER A 247 GLY A 259 1 13 HELIX 16 AB7 LEU A 264 GLU A 276 1 13 HELIX 17 AB8 SER A 282 SER A 291 1 10 CRYST1 119.300 119.300 55.750 90.00 90.00 90.00 P 43 2 2 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 0.008382 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008382 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017937 0.00000