HEADER IMMUNE SYSTEM 06-MAR-23 8IMF TITLE HUMAN CGAS CATALYTIC DOMAIN BOUND WITH BAICALEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYCLIC GMP-AMP SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CGAMP SYNTHASE,CGAS,H-CGAS,2'3'-CGAMP SYNTHASE,MAB-21 COMPND 5 DOMAIN-CONTAINING PROTEIN 1; COMPND 6 EC: 2.7.7.86; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CGAS, C6ORF150, MB21D1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS CGAS, INHIBITOR, BAICALEIN, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR W.F.ZHAO,Y.C.XU REVDAT 1 03-JAN-24 8IMF 0 JRNL AUTH J.LI,M.XIONG,J.LIU,F.ZHANG,M.LI,W.ZHAO,Y.XU JRNL TITL DISCOVERY OF NOVEL CGAS INHIBITORS BASED ON NATURAL JRNL TITL 2 FLAVONOIDS. JRNL REF BIOORG.CHEM. V. 140 06802 2023 JRNL REFN ISSN 0045-2068 JRNL PMID 37666112 JRNL DOI 10.1016/J.BIOORG.2023.106802 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.12 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) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.88 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 31009 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.230 REMARK 3 R VALUE (WORKING SET) : 0.228 REMARK 3 FREE R VALUE : 0.270 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.980 REMARK 3 FREE R VALUE TEST SET COUNT : 1543 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 35.8820 - 5.3164 1.00 2815 139 0.2204 0.2285 REMARK 3 2 5.3164 - 4.2219 1.00 2721 138 0.2040 0.2511 REMARK 3 3 4.2219 - 3.6888 1.00 2706 157 0.2150 0.2748 REMARK 3 4 3.6888 - 3.3518 1.00 2647 158 0.2221 0.2663 REMARK 3 5 3.3518 - 3.1117 1.00 2687 131 0.2437 0.2888 REMARK 3 6 3.1117 - 2.9284 1.00 2712 123 0.2434 0.3017 REMARK 3 7 2.9284 - 2.7818 1.00 2669 154 0.2593 0.3124 REMARK 3 8 2.7818 - 2.6607 1.00 2658 120 0.2702 0.3186 REMARK 3 9 2.6607 - 2.5583 1.00 2637 152 0.2789 0.3289 REMARK 3 10 2.5583 - 2.4701 1.00 2673 154 0.2791 0.3467 REMARK 3 11 2.4701 - 2.4000 0.95 2541 117 0.2973 0.3223 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) : 0.310 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 29.080 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 : 0.003 5255 REMARK 3 ANGLE : 0.591 7103 REMARK 3 CHIRALITY : 0.040 813 REMARK 3 PLANARITY : 0.003 905 REMARK 3 DIHEDRAL : 2.612 3172 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 8IMF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 15-MAR-23. REMARK 100 THE DEPOSITION ID IS D_1300036067. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-FEB-21 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL18U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31048 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 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 (%) : 99.9 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.96900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 3.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.44 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.40 REMARK 200 R MERGE FOR SHELL (I) : 1.17500 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 2.6.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 18-20% V/V PEG 3350, 0.2 M AMMONIUM REMARK 280 CITRATE, PH 7, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 106.68350 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.99050 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 106.68350 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 22.99050 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 ASP A 157 REMARK 465 ALA A 158 REMARK 465 ALA A 159 REMARK 465 PRO A 160 REMARK 465 THR A 211 REMARK 465 GLY A 212 REMARK 465 SER A 213 REMARK 465 TYR A 214 REMARK 465 PRO A 235 REMARK 465 ARG A 255 REMARK 465 ASN A 256 REMARK 465 PRO A 257 REMARK 465 LYS A 258 REMARK 465 GLU A 259 REMARK 465 ILE A 291 REMARK 465 LYS A 292 REMARK 465 ASP A 293 REMARK 465 THR A 294 REMARK 465 ASP A 295 REMARK 465 ARG A 300 REMARK 465 LYS A 301 REMARK 465 ARG A 302 REMARK 465 GLY A 303 REMARK 465 GLU A 366 REMARK 465 GLY A 367 REMARK 465 ASN A 368 REMARK 465 GLY A 369 REMARK 465 PHE A 370 REMARK 465 GLU A 521 REMARK 465 PHE A 522 REMARK 465 ASP B 157 REMARK 465 ALA B 158 REMARK 465 ALA B 159 REMARK 465 PRO B 160 REMARK 465 ILE B 179 REMARK 465 THR B 211 REMARK 465 GLY B 212 REMARK 465 SER B 213 REMARK 465 TYR B 214 REMARK 465 PRO B 257 REMARK 465 LYS B 258 REMARK 465 LYS B 292 REMARK 465 ASP B 293 REMARK 465 THR B 294 REMARK 465 ARG B 302 REMARK 465 GLY B 303 REMARK 465 GLU B 366 REMARK 465 GLY B 367 REMARK 465 ASN B 368 REMARK 465 GLY B 369 REMARK 465 GLU B 521 REMARK 465 PHE B 522 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 171 CG CD CE NZ REMARK 470 LEU A 172 CG CD1 CD2 REMARK 470 LYS A 173 CG CD CE NZ REMARK 470 LEU A 174 CG CD1 CD2 REMARK 470 ARG A 176 CG CD NE CZ NH1 NH2 REMARK 470 ASP A 177 CG OD1 OD2 REMARK 470 ASP A 178 CG OD1 OD2 REMARK 470 ILE A 179 CG1 CG2 CD1 REMARK 470 SER A 180 OG REMARK 470 LYS A 187 CG CD CE NZ REMARK 470 HIS A 192 CG ND1 CD2 CE1 NE2 REMARK 470 LEU A 195 CG CD1 CD2 REMARK 470 ARG A 196 CG CD NE CZ NH1 NH2 REMARK 470 LEU A 197 CG CD1 CD2 REMARK 470 LYS A 198 CG CD CE NZ REMARK 470 ARG A 204 CG CD NE CZ NH1 NH2 REMARK 470 TYR A 215 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 GLU A 216 CG CD OE1 OE2 REMARK 470 VAL A 218 CG1 CG2 REMARK 470 LYS A 219 CG CD CE NZ REMARK 470 ILE A 220 CG1 CG2 CD1 REMARK 470 ASN A 224 CG OD1 ND2 REMARK 470 ARG A 236 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 238 CG CD OE1 NE2 REMARK 470 LYS A 252 CG CD CE NZ REMARK 470 LYS A 254 CG CD CE NZ REMARK 470 ASN A 260 CG OD1 ND2 REMARK 470 GLU A 267 CG CD OE1 OE2 REMARK 470 GLU A 269 CG CD OE1 OE2 REMARK 470 LEU A 271 CG CD1 CD2 REMARK 470 LYS A 275 CG CD CE NZ REMARK 470 PHE A 280 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS A 282 CG CD CE NZ REMARK 470 ILE A 284 CG1 CG2 CD1 REMARK 470 LYS A 285 CG CD CE NZ REMARK 470 GLU A 286 CG CD OE1 OE2 REMARK 470 ILE A 288 CG1 CG2 CD1 REMARK 470 ILE A 297 CG1 CG2 CD1 REMARK 470 MET A 298 CG SD CE REMARK 470 LYS A 299 CG CD CE NZ REMARK 470 SER A 305 OG REMARK 470 PRO A 306 CG CD REMARK 470 LEU A 311 CG CD1 CD2 REMARK 470 SER A 313 OG REMARK 470 GLU A 314 CG CD OE1 OE2 REMARK 470 LYS A 315 CG CD CE NZ REMARK 470 LYS A 327 CG CD CE NZ REMARK 470 SER A 328 OG REMARK 470 HIS A 363 CG ND1 CD2 CE1 NE2 REMARK 470 LYS A 365 CG CD CE NZ REMARK 470 LYS A 384 CG CD CE NZ REMARK 470 TYR A 415 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ASP A 426 CG OD1 OD2 REMARK 470 LYS A 427 CG CD CE NZ REMARK 470 LYS A 428 CG CD CE NZ REMARK 470 ASP A 431 CG OD1 OD2 REMARK 470 LYS A 432 CG CD CE NZ REMARK 470 ARG A 499 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 506 CG CD CE NZ REMARK 470 LYS B 173 CG CD CE NZ REMARK 470 LEU B 174 CG CD1 CD2 REMARK 470 ARG B 176 CG CD NE CZ NH1 NH2 REMARK 470 ASP B 177 CG OD1 OD2 REMARK 470 ASP B 178 CG OD1 OD2 REMARK 470 HIS B 192 CG ND1 CD2 CE1 NE2 REMARK 470 LEU B 193 CG CD1 CD2 REMARK 470 LEU B 195 CG CD1 CD2 REMARK 470 ARG B 196 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 198 CG CD CE NZ REMARK 470 ARG B 204 CG CD NE CZ NH1 NH2 REMARK 470 LEU B 209 CG CD1 CD2 REMARK 470 ASN B 210 CG OD1 ND2 REMARK 470 TYR B 215 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 GLU B 216 CG CD OE1 OE2 REMARK 470 VAL B 218 CG1 CG2 REMARK 470 LYS B 219 CG CD CE NZ REMARK 470 ASN B 224 CG OD1 ND2 REMARK 470 GLU B 225 CG CD OE1 OE2 REMARK 470 VAL B 234 CG1 CG2 REMARK 470 ARG B 236 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 252 CG CD CE NZ REMARK 470 PHE B 253 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS B 254 CG CD CE NZ REMARK 470 ARG B 255 CG CD NE CZ NH1 NH2 REMARK 470 ASN B 256 CG OD1 ND2 REMARK 470 GLU B 259 CG CD OE1 OE2 REMARK 470 ASN B 260 CG OD1 ND2 REMARK 470 GLU B 267 CG CD OE1 OE2 REMARK 470 LYS B 275 CG CD CE NZ REMARK 470 LYS B 282 CG CD CE NZ REMARK 470 LYS B 285 CG CD CE NZ REMARK 470 GLU B 286 CG CD OE1 OE2 REMARK 470 GLU B 287 CG CD OE1 OE2 REMARK 470 ILE B 288 CG1 CG2 CD1 REMARK 470 ASN B 289 CG OD1 ND2 REMARK 470 ILE B 291 CG1 CG2 CD1 REMARK 470 ASP B 295 CG OD1 OD2 REMARK 470 VAL B 296 CG1 CG2 REMARK 470 ILE B 297 CG1 CG2 CD1 REMARK 470 MET B 298 CG SD CE REMARK 470 LYS B 299 CG CD CE NZ REMARK 470 ARG B 300 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 301 CG CD CE NZ REMARK 470 LEU B 311 CG CD1 CD2 REMARK 470 SER B 313 OG REMARK 470 GLU B 314 CG CD OE1 OE2 REMARK 470 LYS B 315 CG CD CE NZ REMARK 470 ARG B 339 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 365 CG CD CE NZ REMARK 470 PHE B 370 CG CD1 CD2 CE1 CE2 CZ REMARK 470 GLU B 372 CG CD OE1 OE2 REMARK 470 LYS B 384 CG CD CE NZ REMARK 470 PHE B 424 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS B 425 CG CD CE NZ REMARK 470 ASP B 426 CG OD1 OD2 REMARK 470 LYS B 427 CG CD CE NZ REMARK 470 LYS B 428 CG CD CE NZ REMARK 470 SER B 435 OG REMARK 470 LYS B 458 CG CD CE NZ REMARK 470 ARG B 499 CG CD NE CZ NH1 NH2 REMARK 470 GLU B 515 CG CD OE1 OE2 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 ILE A 179 -6.92 -140.20 REMARK 500 ARG A 246 -8.77 69.26 REMARK 500 ASN A 289 31.61 -75.28 REMARK 500 SER A 305 -73.70 -48.96 REMARK 500 SER A 313 -118.13 53.34 REMARK 500 GLU A 314 10.29 -140.98 REMARK 500 TRP A 343 -61.65 -109.11 REMARK 500 SER A 345 146.00 100.05 REMARK 500 LYS A 428 -1.00 67.02 REMARK 500 LEU A 480 87.87 -150.78 REMARK 500 ARG B 236 70.80 49.86 REMARK 500 ARG B 246 -20.92 70.66 REMARK 500 SER B 313 -131.71 57.73 REMARK 500 LYS B 315 16.52 -142.32 REMARK 500 SER B 345 157.55 104.41 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 ZN A 601 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 390 NE2 REMARK 620 2 CYS A 396 SG 118.2 REMARK 620 3 CYS A 397 SG 109.4 126.1 REMARK 620 4 CYS A 404 SG 92.5 100.1 101.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 602 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 390 NE2 REMARK 620 2 CYS B 396 SG 110.3 REMARK 620 3 CYS B 397 SG 106.0 133.9 REMARK 620 4 CYS B 404 SG 92.4 103.5 102.3 REMARK 620 N 1 2 3 DBREF 8IMF A 157 522 UNP Q8N884 CGAS_HUMAN 157 522 DBREF 8IMF B 157 522 UNP Q8N884 CGAS_HUMAN 157 522 SEQRES 1 A 366 ASP ALA ALA PRO GLY ALA SER LYS LEU ARG ALA VAL LEU SEQRES 2 A 366 GLU LYS LEU LYS LEU SER ARG ASP ASP ILE SER THR ALA SEQRES 3 A 366 ALA GLY MET VAL LYS GLY VAL VAL ASP HIS LEU LEU LEU SEQRES 4 A 366 ARG LEU LYS CYS ASP SER ALA PHE ARG GLY VAL GLY LEU SEQRES 5 A 366 LEU ASN THR GLY SER TYR TYR GLU HIS VAL LYS ILE SER SEQRES 6 A 366 ALA PRO ASN GLU PHE ASP VAL MET PHE LYS LEU GLU VAL SEQRES 7 A 366 PRO ARG ILE GLN LEU GLU GLU TYR SER ASN THR ARG ALA SEQRES 8 A 366 TYR TYR PHE VAL LYS PHE LYS ARG ASN PRO LYS GLU ASN SEQRES 9 A 366 PRO LEU SER GLN PHE LEU GLU GLY GLU ILE LEU SER ALA SEQRES 10 A 366 SER LYS MET LEU SER LYS PHE ARG LYS ILE ILE LYS GLU SEQRES 11 A 366 GLU ILE ASN ASP ILE LYS ASP THR ASP VAL ILE MET LYS SEQRES 12 A 366 ARG LYS ARG GLY GLY SER PRO ALA VAL THR LEU LEU ILE SEQRES 13 A 366 SER GLU LYS ILE SER VAL ASP ILE THR LEU ALA LEU GLU SEQRES 14 A 366 SER LYS SER SER TRP PRO ALA SER THR GLN GLU GLY LEU SEQRES 15 A 366 ARG ILE GLN ASN TRP LEU SER ALA LYS VAL ARG LYS GLN SEQRES 16 A 366 LEU ARG LEU LYS PRO PHE TYR LEU VAL PRO LYS HIS ALA SEQRES 17 A 366 LYS GLU GLY ASN GLY PHE GLN GLU GLU THR TRP ARG LEU SEQRES 18 A 366 SER PHE SER HIS ILE GLU LYS GLU ILE LEU ASN ASN HIS SEQRES 19 A 366 GLY LYS SER LYS THR CYS CYS GLU ASN LYS GLU GLU LYS SEQRES 20 A 366 CYS CYS ARG LYS ASP CYS LEU LYS LEU MET LYS TYR LEU SEQRES 21 A 366 LEU GLU GLN LEU LYS GLU ARG PHE LYS ASP LYS LYS HIS SEQRES 22 A 366 LEU ASP LYS PHE SER SER TYR HIS VAL LYS THR ALA PHE SEQRES 23 A 366 PHE HIS VAL CYS THR GLN ASN PRO GLN ASP SER GLN TRP SEQRES 24 A 366 ASP ARG LYS ASP LEU GLY LEU CYS PHE ASP ASN CYS VAL SEQRES 25 A 366 THR TYR PHE LEU GLN CYS LEU ARG THR GLU LYS LEU GLU SEQRES 26 A 366 ASN TYR PHE ILE PRO GLU PHE ASN LEU PHE SER SER ASN SEQRES 27 A 366 LEU ILE ASP LYS ARG SER LYS GLU PHE LEU THR LYS GLN SEQRES 28 A 366 ILE GLU TYR GLU ARG ASN ASN GLU PHE PRO VAL PHE ASP SEQRES 29 A 366 GLU PHE SEQRES 1 B 366 ASP ALA ALA PRO GLY ALA SER LYS LEU ARG ALA VAL LEU SEQRES 2 B 366 GLU LYS LEU LYS LEU SER ARG ASP ASP ILE SER THR ALA SEQRES 3 B 366 ALA GLY MET VAL LYS GLY VAL VAL ASP HIS LEU LEU LEU SEQRES 4 B 366 ARG LEU LYS CYS ASP SER ALA PHE ARG GLY VAL GLY LEU SEQRES 5 B 366 LEU ASN THR GLY SER TYR TYR GLU HIS VAL LYS ILE SER SEQRES 6 B 366 ALA PRO ASN GLU PHE ASP VAL MET PHE LYS LEU GLU VAL SEQRES 7 B 366 PRO ARG ILE GLN LEU GLU GLU TYR SER ASN THR ARG ALA SEQRES 8 B 366 TYR TYR PHE VAL LYS PHE LYS ARG ASN PRO LYS GLU ASN SEQRES 9 B 366 PRO LEU SER GLN PHE LEU GLU GLY GLU ILE LEU SER ALA SEQRES 10 B 366 SER LYS MET LEU SER LYS PHE ARG LYS ILE ILE LYS GLU SEQRES 11 B 366 GLU ILE ASN ASP ILE LYS ASP THR ASP VAL ILE MET LYS SEQRES 12 B 366 ARG LYS ARG GLY GLY SER PRO ALA VAL THR LEU LEU ILE SEQRES 13 B 366 SER GLU LYS ILE SER VAL ASP ILE THR LEU ALA LEU GLU SEQRES 14 B 366 SER LYS SER SER TRP PRO ALA SER THR GLN GLU GLY LEU SEQRES 15 B 366 ARG ILE GLN ASN TRP LEU SER ALA LYS VAL ARG LYS GLN SEQRES 16 B 366 LEU ARG LEU LYS PRO PHE TYR LEU VAL PRO LYS HIS ALA SEQRES 17 B 366 LYS GLU GLY ASN GLY PHE GLN GLU GLU THR TRP ARG LEU SEQRES 18 B 366 SER PHE SER HIS ILE GLU LYS GLU ILE LEU ASN ASN HIS SEQRES 19 B 366 GLY LYS SER LYS THR CYS CYS GLU ASN LYS GLU GLU LYS SEQRES 20 B 366 CYS CYS ARG LYS ASP CYS LEU LYS LEU MET LYS TYR LEU SEQRES 21 B 366 LEU GLU GLN LEU LYS GLU ARG PHE LYS ASP LYS LYS HIS SEQRES 22 B 366 LEU ASP LYS PHE SER SER TYR HIS VAL LYS THR ALA PHE SEQRES 23 B 366 PHE HIS VAL CYS THR GLN ASN PRO GLN ASP SER GLN TRP SEQRES 24 B 366 ASP ARG LYS ASP LEU GLY LEU CYS PHE ASP ASN CYS VAL SEQRES 25 B 366 THR TYR PHE LEU GLN CYS LEU ARG THR GLU LYS LEU GLU SEQRES 26 B 366 ASN TYR PHE ILE PRO GLU PHE ASN LEU PHE SER SER ASN SEQRES 27 B 366 LEU ILE ASP LYS ARG SER LYS GLU PHE LEU THR LYS GLN SEQRES 28 B 366 ILE GLU TYR GLU ARG ASN ASN GLU PHE PRO VAL PHE ASP SEQRES 29 B 366 GLU PHE HET ZN A 601 1 HET 3WL B 601 20 HET ZN B 602 1 HETNAM ZN ZINC ION HETNAM 3WL 5,6,7-TRIHYDROXY-2-PHENYL-4H-CHROMEN-4-ONE HETSYN 3WL BAICALEIN FORMUL 3 ZN 2(ZN 2+) FORMUL 4 3WL C15 H10 O5 FORMUL 6 HOH *14(H2 O) HELIX 1 AA1 GLY A 161 ASP A 178 1 18 HELIX 2 AA2 ILE A 179 ASP A 200 1 22 HELIX 3 AA3 LEU A 262 GLN A 264 5 3 HELIX 4 AA4 SER A 272 ILE A 288 1 17 HELIX 5 AA5 PRO A 331 GLN A 335 5 5 HELIX 6 AA6 SER A 345 LEU A 354 1 10 HELIX 7 AA7 PHE A 379 ASN A 389 1 11 HELIX 8 AA8 ASN A 399 LYS A 403 5 5 HELIX 9 AA9 CYS A 405 PHE A 424 1 20 HELIX 10 AB1 LYS A 425 LYS A 428 5 4 HELIX 11 AB2 SER A 434 ASN A 449 1 16 HELIX 12 AB3 GLN A 451 LYS A 458 5 8 HELIX 13 AB4 ASP A 459 GLU A 478 1 20 HELIX 14 AB5 ASP A 497 ASN A 513 1 17 HELIX 15 AB6 ASN A 514 GLU A 515 5 2 HELIX 16 AB7 PHE A 516 ASP A 520 5 5 HELIX 17 AB8 ALA B 162 ASP B 178 1 17 HELIX 18 AB9 THR B 181 CYS B 199 1 19 HELIX 19 AC1 ASP B 200 ARG B 204 5 5 HELIX 20 AC2 ASN B 260 GLN B 264 5 5 HELIX 21 AC3 SER B 272 ASN B 289 1 18 HELIX 22 AC4 PRO B 331 GLN B 335 5 5 HELIX 23 AC5 SER B 345 LYS B 355 1 11 HELIX 24 AC6 PHE B 379 ASN B 389 1 11 HELIX 25 AC7 ASN B 399 LYS B 403 5 5 HELIX 26 AC8 CYS B 405 PHE B 424 1 20 HELIX 27 AC9 SER B 434 ASN B 449 1 16 HELIX 28 AD1 GLN B 451 LYS B 458 5 8 HELIX 29 AD2 ASP B 459 GLU B 478 1 20 HELIX 30 AD3 ASP B 497 ASN B 514 1 18 HELIX 31 AD4 GLU B 515 ASP B 520 5 6 SHEET 1 AA1 7 VAL A 206 LEU A 208 0 SHEET 2 AA1 7 GLU A 225 GLU A 233 -1 O LYS A 231 N GLY A 207 SHEET 3 AA1 7 ILE A 316 SER A 326 1 O ASP A 319 N VAL A 228 SHEET 4 AA1 7 PHE A 357 PRO A 361 -1 O LEU A 359 N LEU A 324 SHEET 5 AA1 7 TRP A 375 SER A 378 -1 O ARG A 376 N VAL A 360 SHEET 6 AA1 7 TYR A 248 PHE A 253 -1 N TYR A 249 O TRP A 375 SHEET 7 AA1 7 ILE A 237 GLU A 241 -1 N GLU A 240 O PHE A 250 SHEET 1 AA2 5 VAL A 206 LEU A 208 0 SHEET 2 AA2 5 GLU A 225 GLU A 233 -1 O LYS A 231 N GLY A 207 SHEET 3 AA2 5 ILE A 316 SER A 326 1 O ASP A 319 N VAL A 228 SHEET 4 AA2 5 VAL A 308 ILE A 312 -1 N LEU A 310 O VAL A 318 SHEET 5 AA2 5 ILE A 297 MET A 298 -1 N ILE A 297 O LEU A 311 SHEET 1 AA3 2 LEU A 266 GLU A 267 0 SHEET 2 AA3 2 ILE A 270 LEU A 271 -1 O ILE A 270 N GLU A 267 SHEET 1 AA4 7 VAL B 206 LEU B 208 0 SHEET 2 AA4 7 GLU B 225 GLU B 233 -1 O LYS B 231 N GLY B 207 SHEET 3 AA4 7 ILE B 316 SER B 326 1 O SER B 317 N PHE B 226 SHEET 4 AA4 7 PHE B 357 PRO B 361 -1 O LEU B 359 N LEU B 324 SHEET 5 AA4 7 TRP B 375 SER B 378 -1 O SER B 378 N TYR B 358 SHEET 6 AA4 7 TYR B 248 PHE B 253 -1 N TYR B 249 O TRP B 375 SHEET 7 AA4 7 ILE B 237 GLU B 241 -1 N GLN B 238 O LYS B 252 SHEET 1 AA5 5 VAL B 206 LEU B 208 0 SHEET 2 AA5 5 GLU B 225 GLU B 233 -1 O LYS B 231 N GLY B 207 SHEET 3 AA5 5 ILE B 316 SER B 326 1 O SER B 317 N PHE B 226 SHEET 4 AA5 5 VAL B 308 ILE B 312 -1 N LEU B 310 O VAL B 318 SHEET 5 AA5 5 VAL B 296 ARG B 300 -1 N LYS B 299 O THR B 309 SHEET 1 AA6 2 LEU B 266 GLU B 267 0 SHEET 2 AA6 2 ILE B 270 LEU B 271 -1 O ILE B 270 N GLU B 267 LINK NE2 HIS A 390 ZN ZN A 601 1555 1555 2.12 LINK SG CYS A 396 ZN ZN A 601 1555 1555 2.43 LINK SG CYS A 397 ZN ZN A 601 1555 1555 2.49 LINK SG CYS A 404 ZN ZN A 601 1555 1555 2.44 LINK NE2 HIS B 390 ZN ZN B 602 1555 1555 2.18 LINK SG CYS B 396 ZN ZN B 602 1555 1555 2.45 LINK SG CYS B 397 ZN ZN B 602 1555 1555 2.34 LINK SG CYS B 404 ZN ZN B 602 1555 1555 2.42 CRYST1 213.367 45.981 87.183 90.00 113.42 90.00 C 1 2 1 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 0.004687 0.000000 0.002030 0.00000 SCALE2 0.000000 0.021748 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012500 0.00000