HEADER DNA BINDING PROTEIN/DNA 07-JUL-21 7RCD TITLE SECOND STAGE REENGINEERED VARIANT OF I-ONUI TARGETING HUMAN PD1 GENE TITLE 2 WITH ACTIVITY ENHANCING SUBSTITUTIONS COMPND MOL_ID: 1; COMPND 2 MOLECULE: I-ONUI_E-HPD1-C; 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 MEGANUCLEASE, GENE EDITING, PROTEIN ENGINEERING, DNA BINDING PROTEIN- KEYWDS 2 DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR N.C.UBILLA-RODRIGUEZ,R.A.WERTHER,B.L.STODDARD REVDAT 2 18-OCT-23 7RCD 1 REMARK REVDAT 1 29-JUN-22 7RCD 0 JRNL AUTH R.A.WERTHER,N.C.UBILLA-RODRIGUEZ,A.T.SMILEY,K.HAVENS, JRNL AUTH 2 A.R.LAMBERT,B.L.STODDARD JRNL TITL CHARACTERIZATION OF THE STEPWISE ENGINEERING AND JRNL TITL 2 OPTIMIZATION OF A RETARGETED DNA BINDING PROTEIN AND JRNL TITL 3 GENE-EDITING MEGANUCLEASE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.10 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) : 2.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.48 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 17488 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.240 REMARK 3 R VALUE (WORKING SET) : 0.235 REMARK 3 FREE R VALUE : 0.277 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1749 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 42.4780 - 5.5997 0.99 1437 161 0.1979 0.2311 REMARK 3 2 5.5997 - 4.4462 1.00 1349 149 0.2073 0.2334 REMARK 3 3 4.4462 - 3.8846 1.00 1323 146 0.2131 0.2567 REMARK 3 4 3.8846 - 3.5296 1.00 1331 149 0.2454 0.2864 REMARK 3 5 3.5296 - 3.2768 0.99 1303 144 0.2434 0.2816 REMARK 3 6 3.2768 - 3.0836 1.00 1296 145 0.2630 0.2974 REMARK 3 7 3.0836 - 2.9292 1.00 1297 144 0.2822 0.3205 REMARK 3 8 2.9292 - 2.8017 1.00 1300 144 0.2958 0.3779 REMARK 3 9 2.8017 - 2.6939 0.99 1290 144 0.3015 0.3400 REMARK 3 10 2.6939 - 2.6010 1.00 1266 140 0.3040 0.3729 REMARK 3 11 2.6010 - 2.5196 1.00 1334 149 0.2825 0.3865 REMARK 3 12 2.5196 - 2.4480 0.97 1213 134 0.2911 0.3596 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) : 0.360 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 30.840 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 54.61 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 63.00 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 : 0.003 3410 REMARK 3 ANGLE : 0.511 4845 REMARK 3 CHIRALITY : 0.038 551 REMARK 3 PLANARITY : 0.003 437 REMARK 3 DIHEDRAL : 21.981 1814 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 7RCD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-JUL-21. REMARK 100 THE DEPOSITION ID IS D_1000257648. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-AUG-19 REMARK 200 TEMPERATURE (KELVIN) : 108 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 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 : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17555 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.448 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 (%) : 99.8 REMARK 200 DATA REDUNDANCY : 5.700 REMARK 200 R MERGE (I) : 0.03800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 23.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.54 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.50 REMARK 200 R MERGE FOR SHELL (I) : 0.16600 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 2.6.0 REMARK 200 STARTING MODEL: 3QQY REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.97 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM HEPES PH 7.0, 200MM AMMONIUM REMARK 280 SULFATE, 25% PEG 3350, VAPOR DIFFUSION, HANGING DROP, REMARK 280 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 20.80700 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 84.95650 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.22850 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 84.95650 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 20.80700 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.22850 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: 8090 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18560 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -85.0 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 2 REMARK 465 ALA A 3 REMARK 465 SER A 4 REMARK 465 SER A 5 REMARK 465 ARG A 6 REMARK 465 ARG A 32 REMARK 465 ASN A 33 REMARK 465 ARG A 34 REMARK 465 GLY A 35 REMARK 465 THR A 36 REMARK 465 LYS A 156 REMARK 465 GLY A 300 REMARK 465 ARG A 301 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 ARG A 7 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 8 CG CD OE1 OE2 REMARK 470 LEU A 30 CG CD1 CD2 REMARK 470 ASN A 31 CG OD1 ND2 REMARK 470 ARG A 38 CG CD NE CZ NH1 NH2 REMARK 470 HIS A 40 CG ND1 CD2 CE1 NE2 REMARK 470 LYS A 52 CG CD CE NZ REMARK 470 LYS A 54 CG CD CE NZ REMARK 470 LYS A 65 CG CD CE NZ REMARK 470 ASP A 74 CG OD1 OD2 REMARK 470 ARG A 83 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 85 CG CD OE1 OE2 REMARK 470 LYS A 88 CG CD CE NZ REMARK 470 LYS A 96 CG CD CE NZ REMARK 470 LYS A 111 CG CD CE NZ REMARK 470 ASN A 119 CG OD1 ND2 REMARK 470 LYS A 120 CG CD CE NZ REMARK 470 GLU A 121 CG CD OE1 OE2 REMARK 470 LYS A 124 CG CD CE NZ REMARK 470 GLU A 125 CG CD OE1 OE2 REMARK 470 ASN A 126 CG OD1 ND2 REMARK 470 LYS A 129 CG CD CE NZ REMARK 470 ARG A 133 CG CD NE CZ NH1 NH2 REMARK 470 LEU A 142 CG CD1 CD2 REMARK 470 ASP A 144 CG OD1 OD2 REMARK 470 GLU A 145 CG CD OE1 OE2 REMARK 470 LEU A 146 CG CD1 CD2 REMARK 470 LYS A 147 CG CD CE NZ REMARK 470 LYS A 148 CG CD CE NZ REMARK 470 GLU A 152 CG CD OE1 OE2 REMARK 470 ASN A 153 CG OD1 ND2 REMARK 470 ILE A 154 CG1 CG2 CD1 REMARK 470 GLU A 157 CG CD OE1 OE2 REMARK 470 ARG A 158 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 187 CG CD CE NZ REMARK 470 SER A 188 OG REMARK 470 ASN A 189 CG OD1 ND2 REMARK 470 VAL A 190 CG1 CG2 REMARK 470 ASN A 191 CG OD1 ND2 REMARK 470 ARG A 193 CG CD NE CZ NH1 NH2 REMARK 470 VAL A 194 CG1 CG2 REMARK 470 GLU A 231 CG CD OE1 OE2 REMARK 470 LYS A 271 CG CD CE NZ REMARK 470 LYS A 279 CG CD CE NZ REMARK 470 LYS A 280 CG CD CE NZ REMARK 470 LEU A 282 CG CD1 CD2 REMARK 470 THR A 283 OG1 CG2 REMARK 470 LEU A 295 CG CD1 CD2 REMARK 470 LYS A 299 CG CD CE NZ 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 NE2 GLN A 102 O ILE A 161 2.13 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 THR A 101 -176.92 -69.74 REMARK 500 ASN A 139 -124.56 61.28 REMARK 500 ASN A 143 -164.49 -75.45 REMARK 500 ILE A 154 -140.44 -92.82 REMARK 500 VAL A 190 -32.97 -131.78 REMARK 500 LYS A 248 -51.58 -120.44 REMARK 500 LYS A 279 15.89 57.94 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 401 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 21 O REMARK 620 2 ASP A 178 OD1 98.9 REMARK 620 3 ASP A 178 OD2 108.7 50.2 REMARK 620 4 HOH A 502 O 88.3 132.0 82.5 REMARK 620 5 DC B 14 OP1 161.6 97.5 88.2 86.8 REMARK 620 6 HOH B 102 O 88.6 146.3 155.4 80.7 73.2 REMARK 620 7 DC C 16 OP2 71.8 78.8 128.9 146.5 103.5 72.3 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 402 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 22 OE2 REMARK 620 2 GLY A 177 O 103.2 REMARK 620 3 HOH A 505 O 80.7 91.2 REMARK 620 4 DC B 15 OP2 100.2 70.7 161.6 REMARK 620 5 DT C 15 OP1 74.1 176.7 90.3 107.6 REMARK 620 N 1 2 3 4 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE WILD TYPE HOMING ENDONUCLEASE WAS EXTENSIVELY ENGINEERED TO REMARK 999 GENERATE I-ONUI_E-HPD1-C. DBREF 7RCD A 2 301 PDB 7RCD 7RCD 2 301 DBREF 7RCD B -1 24 PDB 7RCD 7RCD -1 24 DBREF 7RCD C 1 26 PDB 7RCD 7RCD 1 26 SEQRES 1 A 300 MET ALA SER SER ARG ARG GLU SER ILE ASN PRO TRP ILE SEQRES 2 A 300 LEU THR GLY PHE ALA ASP ALA GLU GLY SER PHE GLY LEU SEQRES 3 A 300 SER ILE LEU ASN ARG ASN ARG GLY THR ALA ARG TYR HIS SEQRES 4 A 300 THR ARG LEU SER PHE THR ILE MET LEU HIS ASN LYS ASP SEQRES 5 A 300 LYS SER ILE LEU GLU ASN ILE GLN SER THR TRP LYS VAL SEQRES 6 A 300 GLY ILE ILE THR ASN ASN GLY ASP HIS TYR VAL THR LEU SEQRES 7 A 300 ARG VAL THR ARG PHE GLU ASP LEU LYS VAL ILE ILE ASP SEQRES 8 A 300 HIS PHE GLU LYS TYR PRO LEU VAL THR GLN LYS LEU GLY SEQRES 9 A 300 ASP TYR LYS LEU PHE LYS GLN ALA PHE SER VAL MET GLU SEQRES 10 A 300 ASN LYS GLU HIS LEU LYS GLU ASN GLY ILE LYS GLU LEU SEQRES 11 A 300 VAL ARG ILE LYS ALA LYS MET ASN TRP GLY LEU ASN ASP SEQRES 12 A 300 GLU LEU LYS LYS ALA PHE PRO GLU ASN ILE SER LYS GLU SEQRES 13 A 300 ARG PRO LEU ILE ASN LYS ASN ILE PRO ASN PHE LYS TRP SEQRES 14 A 300 LEU ALA GLY PHE THR SER GLY ASP GLY SER PHE PHE VAL SEQRES 15 A 300 ARG LEU ARG LYS SER ASN VAL ASN ALA ARG VAL ARG VAL SEQRES 16 A 300 GLN LEU VAL PHE GLU ILE SER GLN HIS ILE ARG ASP LYS SEQRES 17 A 300 ASN LEU MET ASN SER LEU ILE THR TYR LEU GLY CYS GLY SEQRES 18 A 300 HIS ILE TYR GLU GLY ASN LYS SER GLU ARG SER TRP LEU SEQRES 19 A 300 GLN PHE ARG VAL GLU LYS PHE SER ASP ILE ASN ASP LYS SEQRES 20 A 300 ILE ILE PRO VAL PHE GLN GLU ASN THR LEU ILE GLY VAL SEQRES 21 A 300 LYS LEU GLU ASP PHE GLU ASP TRP CYS LYS VAL ALA LYS SEQRES 22 A 300 LEU ILE GLU GLU LYS LYS HIS LEU THR GLU SER GLY LEU SEQRES 23 A 300 ASP GLU ILE LYS LYS ILE LYS LEU ASN MET ASN LYS GLY SEQRES 24 A 300 ARG SEQRES 1 B 26 DG DG DG DG DG DC DA DT DG DC DA DG DA SEQRES 2 B 26 DT DC DC DC DA DC DA DG DG DC DG DC DG SEQRES 1 C 26 DC DC DG DC DG DC DC DT DG DT DG DG DG SEQRES 2 C 26 DA DT DC DT DG DC DA DT DG DC DC DC DC HET CA A 401 1 HET CA A 402 1 HETNAM CA CALCIUM ION FORMUL 4 CA 2(CA 2+) FORMUL 6 HOH *11(H2 O) HELIX 1 AA1 ASN A 11 GLY A 23 1 13 HELIX 2 AA2 ASP A 53 LYS A 65 1 13 HELIX 3 AA3 ASP A 86 TYR A 97 1 12 HELIX 4 AA4 GLN A 102 ASN A 119 1 18 HELIX 5 AA5 LYS A 124 ALA A 136 1 13 HELIX 6 AA6 ASP A 144 PHE A 150 1 7 HELIX 7 AA7 ASN A 167 ASP A 178 1 12 HELIX 8 AA8 ASP A 208 GLY A 220 1 13 HELIX 9 AA9 LYS A 241 LYS A 248 1 8 HELIX 10 AB1 LYS A 248 ASN A 256 1 9 HELIX 11 AB2 GLY A 260 GLU A 278 1 19 HELIX 12 AB3 LYS A 279 LEU A 282 5 4 HELIX 13 AB4 THR A 283 LYS A 299 1 17 SHEET 1 AA1 4 SER A 24 LEU A 30 0 SHEET 2 AA1 4 HIS A 40 HIS A 50 -1 O HIS A 40 N LEU A 30 SHEET 3 AA1 4 TYR A 76 VAL A 81 -1 O LEU A 79 N ILE A 47 SHEET 4 AA1 4 ILE A 68 ASN A 72 -1 N ASN A 72 O TYR A 76 SHEET 1 AA2 4 GLY A 179 LYS A 187 0 SHEET 2 AA2 4 VAL A 194 HIS A 205 -1 O GLN A 197 N ARG A 184 SHEET 3 AA2 4 TRP A 234 VAL A 239 -1 O PHE A 237 N ILE A 202 SHEET 4 AA2 4 HIS A 223 TYR A 225 -1 N HIS A 223 O ARG A 238 LINK O ALA A 21 CA CA A 401 1555 1555 2.36 LINK OE2 GLU A 22 CA CA A 402 1555 1555 2.39 LINK O GLY A 177 CA CA A 402 1555 1555 2.45 LINK OD1 ASP A 178 CA CA A 401 1555 1555 2.71 LINK OD2 ASP A 178 CA CA A 401 1555 1555 2.44 LINK CA CA A 401 O HOH A 502 1555 1555 2.47 LINK CA CA A 401 OP1 DC B 14 1555 1555 2.30 LINK CA CA A 401 O HOH B 102 1555 1555 2.67 LINK CA CA A 401 OP2 DC C 16 1555 1555 2.40 LINK CA CA A 402 O HOH A 505 1555 1555 2.50 LINK CA CA A 402 OP2 DC B 15 1555 1555 2.37 LINK CA CA A 402 OP1 DT C 15 1555 1555 2.33 CRYST1 41.614 64.457 169.913 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 0.024030 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015514 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005885 0.00000