HEADER VIRAL PROTEIN 28-JAN-21 7NBV TITLE STRUCTURE OF 2A PROTEIN FROM THEILERS MURINE ENCEPHALOMYELITIS VIRUS TITLE 2 (TMEV) COMPND MOL_ID: 1; COMPND 2 MOLECULE: CAPSID PROTEIN VP0; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CAPSID PROTEIN VP1,CAPSID PROTEIN VP2,CAPSID PROTEIN VP3, COMPND 5 CAPSID PROTEIN VP4,GENOME POLYPROTEIN,LEADER PROTEIN,P1A,P1B,P1C,P1D, COMPND 6 PICORNAIN 3C,PROTEASE 3C,PROTEIN 2C,PROTEIN 3A,RNA-DIRECTED RNA COMPND 7 POLYMERASE,VP4-VP2,VPG,VIRION PROTEIN 1,VIRION PROTEIN 2,VIRION COMPND 8 PROTEIN 3,VIRION PROTEIN 4,PROTEIN 2B, 2A PROTEIN (DERIVED FROM COMPND 9 GENOME POLYPROTEIN); COMPND 10 EC: 3.4.22.28,3.6.4.13; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THEILER'S MURINE ENCEPHALOMYELTITS VIRUS GDVII; SOURCE 3 ORGANISM_TAXID: 12127; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_VARIANT: PLYSS; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PGEX6P1 KEYWDS TMEV, PRF, RECODING, FRAMESHIFTING, PROTEIN-MEDIATED FRAMESHIFTING, KEYWDS 2 RNA-BINDING PROTEIN, VIRAL PROTEIN, TRANSLATIONAL REGULATION, KEYWDS 3 RIBOSOME-BINDING EXPDTA X-RAY DIFFRACTION AUTHOR C.H.HILL,G.M.COOK,S.NAPTHINE,A.KIBE,K.BROWN,N.CALISKAN,A.E.FIRTH, AUTHOR 2 S.C.GRAHAM,I.BRIERLEY REVDAT 1 08-DEC-21 7NBV 0 JRNL AUTH C.H.HILL,G.M.COOK,S.NAPTHINE,A.KIBE,K.BROWN,N.CALISKAN, JRNL AUTH 2 A.E.FIRTH,S.C.GRAHAM,I.BRIERLEY JRNL TITL INVESTIGATING MOLECULAR MECHANISMS OF 2A-STIMULATED JRNL TITL 2 RIBOSOMAL PAUSING AND FRAMESHIFTING IN THEILOVIRUS. JRNL REF NUCLEIC ACIDS RES. V. 49 11938 2021 JRNL REFN ESSN 1362-4962 JRNL PMID 34751406 JRNL DOI 10.1093/NAR/GKAB969 REMARK 2 REMARK 2 RESOLUTION. 1.87 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.19.1_4122 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.87 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.60 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 21277 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.187 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.230 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.240 REMARK 3 FREE R VALUE TEST SET COUNT : 1115 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 42.6000 - 3.7400 1.00 2515 183 0.1246 0.1586 REMARK 3 2 3.7400 - 2.9700 1.00 2549 122 0.1519 0.2097 REMARK 3 3 2.9700 - 2.5900 1.00 2564 124 0.2032 0.2751 REMARK 3 4 2.5900 - 2.3600 1.00 2499 157 0.2278 0.2754 REMARK 3 5 2.3600 - 2.1900 0.99 2522 139 0.2139 0.2784 REMARK 3 6 2.1900 - 2.0600 0.99 2532 106 0.2589 0.3023 REMARK 3 7 2.0600 - 1.9600 0.99 2539 126 0.2905 0.3558 REMARK 3 8 1.9600 - 1.8700 0.97 2442 158 0.3491 0.3907 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) : 0.236 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 29.199 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.07 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.57 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 : 0.005 1153 REMARK 3 ANGLE : 0.890 1566 REMARK 3 CHIRALITY : 0.059 161 REMARK 3 PLANARITY : 0.013 200 REMARK 3 DIHEDRAL : 11.418 424 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 -4 THROUGH 17 ) REMARK 3 ORIGIN FOR THE GROUP (A): 92.1445 -1.9709 50.5771 REMARK 3 T TENSOR REMARK 3 T11: 0.1804 T22: 0.1791 REMARK 3 T33: 0.1746 T12: -0.0015 REMARK 3 T13: -0.0093 T23: -0.0114 REMARK 3 L TENSOR REMARK 3 L11: 0.8800 L22: 2.2773 REMARK 3 L33: 0.8216 L12: -0.3287 REMARK 3 L13: 0.6699 L23: -0.8804 REMARK 3 S TENSOR REMARK 3 S11: 0.1047 S12: 0.1779 S13: 0.0406 REMARK 3 S21: -0.3390 S22: -0.0686 S23: -0.1320 REMARK 3 S31: 0.2514 S32: 0.0218 S33: -0.0095 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 18 THROUGH 104 ) REMARK 3 ORIGIN FOR THE GROUP (A): 84.3808 -0.3632 53.5144 REMARK 3 T TENSOR REMARK 3 T11: 0.1959 T22: 0.2535 REMARK 3 T33: 0.1991 T12: -0.0055 REMARK 3 T13: -0.0227 T23: -0.0120 REMARK 3 L TENSOR REMARK 3 L11: 1.9691 L22: 1.4732 REMARK 3 L33: 1.3616 L12: 0.1592 REMARK 3 L13: -1.3696 L23: -0.2746 REMARK 3 S TENSOR REMARK 3 S11: -0.0702 S12: 0.2108 S13: -0.0591 REMARK 3 S21: -0.0906 S22: 0.0680 S23: 0.0676 REMARK 3 S31: 0.1288 S32: -0.2192 S33: -0.0026 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 105 THROUGH 126 ) REMARK 3 ORIGIN FOR THE GROUP (A): 83.5117 10.4245 46.9658 REMARK 3 T TENSOR REMARK 3 T11: 0.2499 T22: 0.2918 REMARK 3 T33: 0.2279 T12: 0.0477 REMARK 3 T13: -0.0554 T23: 0.0082 REMARK 3 L TENSOR REMARK 3 L11: 2.6142 L22: 1.6324 REMARK 3 L33: 3.6245 L12: -0.2395 REMARK 3 L13: -1.3371 L23: 1.1125 REMARK 3 S TENSOR REMARK 3 S11: -0.0277 S12: 0.2555 S13: -0.0737 REMARK 3 S21: -0.1812 S22: -0.1246 S23: 0.2385 REMARK 3 S31: -0.3109 S32: -0.5013 S33: 0.1411 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 7NBV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 28-JAN-21. REMARK 100 THE DEPOSITION ID IS D_1292113701. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-FEB-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I04-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9159 REMARK 200 MONOCHROMATOR : SI(111), SINGLE BOUNCE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DIALS, XDS, XIA2 REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22710 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.870 REMARK 200 RESOLUTION RANGE LOW (A) : 43.590 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 19.00 REMARK 200 R MERGE (I) : 0.11300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.87 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 19.80 REMARK 200 R MERGE FOR SHELL (I) : 1.19100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SHARP, SHELXD REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2A PROTEIN WAS CONCENTRATED TO 4.38 REMARK 280 MG/ML IN 50 MM TRIS (HCL) PH 7.4, 1.1 M NACL, 1.0 MM DTT. 200 NL REMARK 280 PROTEIN WAS MIXED WITH 200 NL RESERVOIR SOLUTION COMPRISING 0.2 REMARK 280 M KBR, 0.2 M POTASSIUM THIOCYANATE, 0.1 M SODIUM CACODYLATE PH REMARK 280 6.5, 3 % W/V POLY-GAMMA-GLUTAMIC ACID 200-400 AND 10 % W/V PEG- REMARK 280 MME 2000, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 3 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 5555 Z,X,Y REMARK 290 6555 Z+1/2,-X+1/2,-Y REMARK 290 7555 -Z+1/2,-X,Y+1/2 REMARK 290 8555 -Z,X+1/2,-Y+1/2 REMARK 290 9555 Y,Z,X REMARK 290 10555 -Y,Z+1/2,-X+1/2 REMARK 290 11555 Y+1/2,-Z+1/2,-X REMARK 290 12555 -Y+1/2,-Z,X+1/2 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 36.89400 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 36.89400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 36.89400 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 36.89400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 36.89400 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 36.89400 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY2 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY1 6 0.000000 0.000000 1.000000 36.89400 REMARK 290 SMTRY2 6 -1.000000 0.000000 0.000000 36.89400 REMARK 290 SMTRY3 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 0.000000 -1.000000 36.89400 REMARK 290 SMTRY2 7 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 1.000000 0.000000 36.89400 REMARK 290 SMTRY1 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY2 8 1.000000 0.000000 0.000000 36.89400 REMARK 290 SMTRY3 8 0.000000 -1.000000 0.000000 36.89400 REMARK 290 SMTRY1 9 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 9 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY3 9 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 0.000000 1.000000 36.89400 REMARK 290 SMTRY3 10 -1.000000 0.000000 0.000000 36.89400 REMARK 290 SMTRY1 11 0.000000 1.000000 0.000000 36.89400 REMARK 290 SMTRY2 11 0.000000 0.000000 -1.000000 36.89400 REMARK 290 SMTRY3 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 12 0.000000 -1.000000 0.000000 36.89400 REMARK 290 SMTRY2 12 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY3 12 1.000000 0.000000 0.000000 36.89400 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: 160 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 8180 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 301 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 377 LIES ON A SPECIAL POSITION. 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 ASP A 127 REMARK 465 VAL A 128 REMARK 465 GLU A 129 REMARK 465 MET A 130 REMARK 465 ASN A 131 REMARK 465 PRO A 132 REMARK 465 GLY A 133 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue BR A 201 DBREF 7NBV A 1 133 UNP Q88595 Q88595_TMEVG 923 1055 SEQADV 7NBV GLY A -4 UNP Q88595 EXPRESSION TAG SEQADV 7NBV PRO A -3 UNP Q88595 EXPRESSION TAG SEQADV 7NBV LEU A -2 UNP Q88595 EXPRESSION TAG SEQADV 7NBV GLY A -1 UNP Q88595 EXPRESSION TAG SEQADV 7NBV SER A 0 UNP Q88595 EXPRESSION TAG SEQRES 1 A 138 GLY PRO LEU GLY SER ASN PRO ALA SER LEU TYR ARG ILE SEQRES 2 A 138 ASP LEU PHE ILE THR PHE THR ASP GLU LEU ILE THR PHE SEQRES 3 A 138 ASP TYR LYS VAL HIS GLY ARG PRO VAL LEU THR PHE ARG SEQRES 4 A 138 ILE PRO GLY PHE GLY LEU THR PRO ALA GLY ARG MET LEU SEQRES 5 A 138 VAL CYS MET GLY GLU LYS PRO ALA HIS SER PRO PHE THR SEQRES 6 A 138 SER SER LYS SER LEU TYR HIS VAL ILE PHE THR SER THR SEQRES 7 A 138 CYS ASN SER PHE SER PHE THR ILE TYR LYS GLY ARG TYR SEQRES 8 A 138 ARG SER TRP LYS LYS PRO ILE HIS ASP GLU LEU VAL ASP SEQRES 9 A 138 ARG GLY TYR THR THR PHE ARG GLU PHE PHE LYS ALA VAL SEQRES 10 A 138 ARG GLY TYR HIS ALA ASP TYR TYR LYS GLN ARG LEU ILE SEQRES 11 A 138 HIS ASP VAL GLU MET ASN PRO GLY HET BR A 201 1 HETNAM BR BROMIDE ION FORMUL 2 BR BR 1- FORMUL 3 HOH *98(H2 O) HELIX 1 AA1 THR A 41 GLY A 51 1 11 HELIX 2 AA2 THR A 104 TYR A 115 1 12 HELIX 3 AA3 HIS A 116 LYS A 121 1 6 SHEET 1 AA1 6 ARG A 28 PRO A 36 0 SHEET 2 AA1 6 LEU A 18 VAL A 25 -1 N TYR A 23 O VAL A 30 SHEET 3 AA1 6 TYR A 6 PHE A 14 -1 N ASP A 9 O LYS A 24 SHEET 4 AA1 6 SER A 64 SER A 72 -1 O VAL A 68 N LEU A 10 SHEET 5 AA1 6 PHE A 77 LYS A 83 -1 O SER A 78 N THR A 71 SHEET 6 AA1 6 HIS A 94 VAL A 98 -1 O VAL A 98 N PHE A 77 SITE 1 AC1 2 ARG A 34 ILE A 125 CRYST1 73.788 73.788 73.788 90.00 90.00 90.00 P 21 3 12 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 0.013552 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013552 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013552 0.00000