HEADER DNA BINDING PROTEIN 06-APR-26 12HH TITLE ANCESTRAL RECONSTRUCTION OF A HOMING ENDONUCLEASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: AHE15; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: DNA (26-MER); COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: DNA (26-MER); COMPND 11 CHAIN: C; COMPND 12 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 MOL_ID: 2; SOURCE 7 SYNTHETIC: YES; SOURCE 8 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 9 ORGANISM_TAXID: 32630; SOURCE 10 MOL_ID: 3; SOURCE 11 SYNTHETIC: YES; SOURCE 12 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 13 ORGANISM_TAXID: 32630 KEYWDS RECONSTRUCTION, EVOLUTION, DNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR L.A.DOYLE,B.STODDARD,J.C.YOUNG,M.SILVERSTEIN REVDAT 1 15-APR-26 12HH 0 JRNL AUTH B.STODDARD JRNL TITL ANCESTRAL HOMING ENDONUCLEASE RECONSTRUCTIONS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.37 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 2.0_5885 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.37 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.19 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.040 REMARK 3 COMPLETENESS FOR RANGE (%) : 87.4 REMARK 3 NUMBER OF REFLECTIONS : 17726 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.236 REMARK 3 R VALUE (WORKING SET) : 0.231 REMARK 3 FREE R VALUE : 0.279 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1773 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 45.1900 - 5.5700 1.00 1528 170 0.1964 0.2032 REMARK 3 2 5.5700 - 4.4200 0.99 1437 160 0.1825 0.2376 REMARK 3 3 4.4200 - 3.8600 0.99 1377 157 0.1912 0.2281 REMARK 3 4 3.8600 - 3.5100 0.98 1399 157 0.2179 0.2882 REMARK 3 5 3.5100 - 3.2600 0.97 1360 158 0.2348 0.2798 REMARK 3 6 3.2600 - 3.0700 0.96 1345 147 0.2504 0.3345 REMARK 3 7 3.0700 - 2.9100 0.94 1318 142 0.3141 0.3975 REMARK 3 8 2.9100 - 2.7900 0.92 1272 143 0.2926 0.3510 REMARK 3 9 2.7900 - 2.6800 0.88 1212 126 0.3047 0.3501 REMARK 3 10 2.6800 - 2.5900 0.83 1137 126 0.2980 0.3672 REMARK 3 11 2.5900 - 2.5100 0.75 1045 119 0.3210 0.3420 REMARK 3 12 2.5100 - 2.4300 0.61 825 92 0.3324 0.4666 REMARK 3 13 2.4300 - 2.3700 0.51 698 76 0.3601 0.4040 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 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) : 0.350 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 33.800 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 : 0.004 3512 REMARK 3 ANGLE : 0.594 4977 REMARK 3 CHIRALITY : 0.039 565 REMARK 3 PLANARITY : 0.004 454 REMARK 3 DIHEDRAL : 24.173 1402 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 12HH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-APR-26. REMARK 100 THE DEPOSITION ID IS D_1000306676. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-OCT-25 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.987 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 : AIMLESS 0.7.13 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18776 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.370 REMARK 200 RESOLUTION RANGE LOW (A) : 45.190 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.7 REMARK 200 DATA REDUNDANCY : 12.10 REMARK 200 R MERGE (I) : 0.08900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 19.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.37 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.46 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 8.40 REMARK 200 R MERGE FOR SHELL (I) : 0.67400 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: PHASER 2.8.3 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.24 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.42 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 200 MM HEPES PH7.5, 150 MM NACL, 28% REMARK 280 PEG 3350 (W/V), VAPOR DIFFUSION, HANGING DROP, 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 26.94550 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 82.41250 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 27.02000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 82.41250 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.94550 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 27.02000 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: 8070 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18540 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -73.0 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 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 MET A -1 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 LYS A 22 CG CD CE NZ REMARK 470 LYS A 25 CG CD CE NZ REMARK 470 LYS A 43 CD CE NZ REMARK 470 ARG A 61 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 62 CG CD CE NZ REMARK 470 ASN A 66 CG OD1 ND2 REMARK 470 LYS A 79 CG CD CE NZ REMARK 470 GLU A 117 CG CD OE1 OE2 REMARK 470 GLU A 139 CG CD OE1 OE2 REMARK 470 LYS A 155 CE NZ REMARK 470 LYS A 179 CG CD CE NZ REMARK 470 LYS A 184 NZ REMARK 470 LYS A 221 CE NZ REMARK 470 SER A 223 OG REMARK 470 LYS A 224 CG CD CE NZ REMARK 470 LYS A 250 CE NZ REMARK 470 LYS A 270 CG CD CE NZ REMARK 470 LYS A 272 CG CD CE NZ REMARK 470 LYS A 273 CG CD CE NZ REMARK 470 GLU A 278 CG CD OE1 OE2 REMARK 470 GLU A 282 CG CD OE1 OE2 REMARK 470 LYS A 285 CG CD CE NZ REMARK 470 LYS A 287 CE NZ 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 DC B 6 O4' - C1' - N1 ANGL. DEV. = 2.5 DEGREES REMARK 500 DA B 14 O4' - C1' - N9 ANGL. DEV. = 2.0 DEGREES REMARK 500 DG C 6 O4' - C1' - N9 ANGL. DEV. = 2.2 DEGREES REMARK 500 DA C 12 O4' - C1' - N9 ANGL. DEV. = 2.2 DEGREES REMARK 500 DA C 21 O4' - C1' - N9 ANGL. DEV. = 1.9 DEGREES 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 130 -129.53 53.55 REMARK 500 LYS A 224 -65.94 -99.07 REMARK 500 LYS A 241 -51.44 -122.87 REMARK 500 LYS A 272 16.61 58.36 REMARK 500 GLU A 278 -50.53 70.84 REMARK 500 ASN A 291 -127.29 60.13 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 97 OD2 REMARK 620 2 ASN A 130 OD1 98.7 REMARK 620 3 DC B 16 OP1 133.1 76.9 REMARK 620 N 1 2 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 12FK RELATED DB: PDB DBREF 12HH A -1 294 PDB 12HH 12HH -1 294 DBREF 12HH B -1 24 PDB 12HH 12HH -1 24 DBREF 12HH C -2 23 PDB 12HH 12HH -2 23 SEQRES 1 A 296 MET GLY LEU ASN PRO TRP VAL VAL THR GLY PHE VAL ASP SEQRES 2 A 296 ALA GLU GLY SER PHE MET ILE SER VAL ARG LYS ASN ASN SEQRES 3 A 296 LYS SER SER THR GLY TRP SER THR GLN LEU ARG PHE GLN SEQRES 4 A 296 ILE SER LEU HIS LYS LYS ASP ARG SER LEU LEU GLU GLN SEQRES 5 A 296 ILE GLN SER TYR PHE GLY VAL GLY SER ILE ARG LYS SER SEQRES 6 A 296 GLY ASP ASN SER VAL SER PHE ARG ILE GLU SER LEU GLU SEQRES 7 A 296 ASP LEU LYS VAL VAL ILE ASN HIS PHE ASP LYS TYR PRO SEQRES 8 A 296 LEU ILE THR GLN LYS HIS GLY ASP TYR LEU LEU PHE LYS SEQRES 9 A 296 GLN ALA PHE GLU LEU MET LYS ASN LYS GLU HIS LEU THR SEQRES 10 A 296 ILE GLU GLY LEU LYS LYS ILE VAL ALA ILE LYS ALA SER SEQRES 11 A 296 LEU ASN LYS GLY LEU SER ASP GLU LEU LYS GLU ALA PHE SEQRES 12 A 296 PRO ASP ILE VAL PRO VAL THR ARG PRO LEU VAL GLU ASN SEQRES 13 A 296 LYS THR ILE PRO ASP PRO GLU TRP LEU ALA GLY PHE THR SEQRES 14 A 296 SER GLY GLU GLY CYS PHE PHE ILE THR ILE SER LYS SER SEQRES 15 A 296 PRO SER SER LYS LEU GLY VAL GLN VAL GLN LEU VAL PHE SEQRES 16 A 296 SER LEU THR GLN HIS THR ARG ASP GLU ALA LEU MET ASN SEQRES 17 A 296 SER LEU ILE SER TYR LEU GLY CYS GLY ASN ILE LYS ILE SEQRES 18 A 296 LYS LYS ASN SER LYS ASN SER TRP LEU ASP PHE VAL VAL SEQRES 19 A 296 THR LYS PHE SER ASP ILE ASN GLU LYS ILE ILE PRO PHE SEQRES 20 A 296 PHE ASN GLN HIS LYS ILE LEU GLY VAL LYS SER GLN ASP SEQRES 21 A 296 PHE GLU ASP TRP CYS LYS ALA ALA GLU LEU ILE LYS ASP SEQRES 22 A 296 LYS LYS HIS LEU THR PRO GLU GLY LEU ASP GLU ILE ARG SEQRES 23 A 296 LYS ILE LYS ALA GLY MET ASN LYS GLY ARG SEQRES 1 B 26 DG DG DT DT DT DA DC DC DG DA DT DA DT SEQRES 2 B 26 DA DC DA DC DC DC DC DT DA DA DG DA DG SEQRES 1 C 26 DC DC DT DC DT DT DA DG DG DG DG DT DG SEQRES 2 C 26 DT DA DT DA DT DC DG DG DT DA DA DA DC HET CA A 301 1 HET CA A 302 1 HETNAM CA CALCIUM ION FORMUL 4 CA 2(CA 2+) FORMUL 6 HOH *63(H2 O) HELIX 1 AA1 ASN A 2 GLU A 13 1 12 HELIX 2 AA2 HIS A 41 LYS A 43 5 3 HELIX 3 AA3 ASP A 44 GLY A 56 1 13 HELIX 4 AA4 SER A 74 TYR A 88 1 15 HELIX 5 AA5 GLN A 93 ASN A 110 1 18 HELIX 6 AA6 LYS A 111 LEU A 114 5 4 HELIX 7 AA7 THR A 115 ALA A 127 1 13 HELIX 8 AA8 SER A 134 PHE A 141 1 8 HELIX 9 AA9 ASP A 159 GLY A 171 1 13 HELIX 10 AB1 ASP A 201 GLY A 213 1 13 HELIX 11 AB2 LYS A 234 LYS A 241 1 8 HELIX 12 AB3 LYS A 241 HIS A 249 1 9 HELIX 13 AB4 VAL A 254 ASP A 271 1 18 HELIX 14 AB5 LYS A 272 THR A 276 5 5 HELIX 15 AB6 GLU A 278 GLY A 289 1 12 HELIX 16 AB7 MET A 290 ARG A 294 5 5 SHEET 1 AA1 4 SER A 15 LYS A 22 0 SHEET 2 AA1 4 TRP A 30 LEU A 40 -1 O ARG A 35 N MET A 17 SHEET 3 AA1 4 VAL A 68 ILE A 72 -1 O VAL A 68 N LEU A 40 SHEET 4 AA1 4 SER A 59 LYS A 62 -1 N ARG A 61 O SER A 69 SHEET 1 AA2 4 CYS A 172 LYS A 179 0 SHEET 2 AA2 4 VAL A 187 HIS A 198 -1 O GLN A 190 N THR A 176 SHEET 3 AA2 4 TRP A 227 VAL A 232 -1 O PHE A 230 N LEU A 195 SHEET 4 AA2 4 ASN A 216 LYS A 220 -1 N LYS A 220 O TRP A 227 LINK OD2 ASP A 97 CA CA A 301 1555 1555 2.42 LINK OD1 ASN A 130 CA CA A 301 1555 1555 2.40 LINK CA CA A 301 OP1 DC B 16 1555 1555 2.32 CRYST1 53.891 54.040 164.825 90.00 90.00 90.00 P 21 21 21 4 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 0.018556 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018505 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006067 0.00000 CONECT 757 3340 CONECT 1021 3340 CONECT 2623 3340 CONECT 3340 757 1021 2623 MASTER 302 0 2 16 8 0 0 6 3401 3 4 27 END