HEADER HYDROLASE 16-JUL-21 7FD6 TITLE CRYSTAL STRUCTURE OF SMCHIA IN COMPLEX WITH 6A COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHITINASE A; COMPND 3 CHAIN: A; COMPND 4 EC: 3.2.1.14; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SERRATIA MARCESCENS; SOURCE 3 ORGANISM_TAXID: 615; SOURCE 4 GENE: CHIA, PWN146_04604; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS SMCHIA, INHIBITOR, CHITINASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.XI,Y.QING REVDAT 2 29-NOV-23 7FD6 1 REMARK REVDAT 1 20-JUL-22 7FD6 0 JRNL AUTH Y.PENGTAO,J.XI JRNL TITL DISCOVERY OF CONFORMATION CONSTRAINED TETRACYCLIC COMPOUNDS JRNL TITL 2 AS POTENT CHITINASE OFCHI-H INHIBITOR WITH NOVEL BINDING JRNL TITL 3 MODE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.79 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.13_2998 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 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.79 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.92 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 3 NUMBER OF REFLECTIONS : 74400 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.167 REMARK 3 R VALUE (WORKING SET) : 0.166 REMARK 3 FREE R VALUE : 0.190 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.690 REMARK 3 FREE R VALUE TEST SET COUNT : 2000 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 34.9200 - 4.3000 0.99 5537 154 0.1406 0.1710 REMARK 3 2 4.3000 - 3.4200 1.00 5362 148 0.1342 0.1487 REMARK 3 3 3.4200 - 2.9800 1.00 5308 146 0.1593 0.1624 REMARK 3 4 2.9800 - 2.7100 1.00 5294 146 0.1718 0.2291 REMARK 3 5 2.7100 - 2.5200 1.00 5286 147 0.1753 0.1802 REMARK 3 6 2.5200 - 2.3700 1.00 5246 144 0.1751 0.1952 REMARK 3 7 2.3700 - 2.2500 1.00 5266 146 0.1759 0.2079 REMARK 3 8 2.2500 - 2.1500 1.00 5258 144 0.1784 0.2293 REMARK 3 9 2.1500 - 2.0700 1.00 5218 145 0.1816 0.2159 REMARK 3 10 2.0700 - 2.0000 1.00 5241 145 0.1910 0.2021 REMARK 3 11 2.0000 - 1.9400 0.99 5201 144 0.1953 0.2289 REMARK 3 12 1.9400 - 1.8800 0.99 5168 142 0.2110 0.2134 REMARK 3 13 1.8800 - 1.8300 0.97 5066 140 0.2231 0.2456 REMARK 3 14 1.8300 - 1.7900 0.76 3949 109 0.2308 0.2588 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) : 0.136 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.016 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.56 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.01 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 4258 REMARK 3 ANGLE : 0.601 5783 REMARK 3 CHIRALITY : 0.048 611 REMARK 3 PLANARITY : 0.004 751 REMARK 3 DIHEDRAL : 11.087 2464 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 7FD6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 03-AUG-21. REMARK 100 THE DEPOSITION ID IS D_1300023317. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-JUN-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL19U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97778 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 : HKL-3000 REMARK 200 DATA SCALING SOFTWARE : HKL-3000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 74412 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.786 REMARK 200 RESOLUTION RANGE LOW (A) : 34.920 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 200 DATA REDUNDANCY : 8.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.7600 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.79 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.85 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: PHENIX REMARK 200 STARTING MODEL: 1EDQ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.88 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.41 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.75 M SODIUM CITRATE, 20% (V/V) REMARK 280 METHANOL, PH 7.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 277.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 29.71500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 29.71500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 66.26250 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 101.09300 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 66.26250 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 101.09300 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 29.71500 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 66.26250 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 101.09300 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 29.71500 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 66.26250 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 101.09300 REMARK 290 SMTRY3 8 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: MONOMERIC 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 VAL A 562 REMARK 465 GLN A 563 REMARK 465 LEU A 564 REMARK 465 GLU A 565 REMARK 465 HIS A 566 REMARK 465 HIS A 567 REMARK 465 HIS A 568 REMARK 465 HIS A 569 REMARK 465 HIS A 570 REMARK 465 HIS A 571 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 HOH A 725 O HOH A 1381 2.05 REMARK 500 O HOH A 1301 O HOH A 1310 2.07 REMARK 500 O HOH A 1197 O HOH A 1293 2.07 REMARK 500 O HOH A 1301 O HOH A 1322 2.08 REMARK 500 O HOH A 1140 O HOH A 1401 2.09 REMARK 500 O HOH A 1446 O HOH A 1448 2.10 REMARK 500 O HOH A 959 O HOH A 1099 2.10 REMARK 500 OH TYR A 493 OD2 ASP A 517 2.11 REMARK 500 O HOH A 1364 O HOH A 1433 2.12 REMARK 500 NZ LYS A 367 O HOH A 701 2.13 REMARK 500 O HOH A 763 O HOH A 1235 2.13 REMARK 500 NZ LYS A 78 O HOH A 702 2.14 REMARK 500 O HOH A 761 O HOH A 1118 2.14 REMARK 500 O HOH A 708 O HOH A 1218 2.14 REMARK 500 O HOH A 1022 O HOH A 1232 2.15 REMARK 500 O HOH A 1239 O HOH A 1372 2.16 REMARK 500 O HOH A 1210 O HOH A 1424 2.16 REMARK 500 O HOH A 735 O HOH A 1252 2.16 REMARK 500 O HOH A 1325 O HOH A 1366 2.17 REMARK 500 O HOH A 802 O HOH A 1055 2.17 REMARK 500 OD2 ASP A 371 O HOH A 703 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 874 O HOH A 1283 3555 2.03 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 GLU A 147 -129.76 48.61 REMARK 500 TYR A 170 -105.95 -94.40 REMARK 500 LYS A 250 -156.03 -121.50 REMARK 500 ASP A 313 68.35 -114.04 REMARK 500 THR A 405 29.58 -146.29 REMARK 500 LYS A 413 71.86 -154.84 REMARK 500 GLU A 500 66.06 65.75 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A1448 DISTANCE = 5.89 ANGSTROMS REMARK 525 HOH A1449 DISTANCE = 6.40 ANGSTROMS REMARK 525 HOH A1450 DISTANCE = 6.81 ANGSTROMS DBREF1 7FD6 A 24 563 UNP A0A1C3HLG1_SERMA DBREF2 7FD6 A A0A1C3HLG1 24 563 SEQADV 7FD6 HIS A 263 UNP A0A1C3HLG ARG 263 CONFLICT SEQADV 7FD6 THR A 429 UNP A0A1C3HLG ALA 429 CONFLICT SEQADV 7FD6 LEU A 564 UNP A0A1C3HLG EXPRESSION TAG SEQADV 7FD6 GLU A 565 UNP A0A1C3HLG EXPRESSION TAG SEQADV 7FD6 HIS A 566 UNP A0A1C3HLG EXPRESSION TAG SEQADV 7FD6 HIS A 567 UNP A0A1C3HLG EXPRESSION TAG SEQADV 7FD6 HIS A 568 UNP A0A1C3HLG EXPRESSION TAG SEQADV 7FD6 HIS A 569 UNP A0A1C3HLG EXPRESSION TAG SEQADV 7FD6 HIS A 570 UNP A0A1C3HLG EXPRESSION TAG SEQADV 7FD6 HIS A 571 UNP A0A1C3HLG EXPRESSION TAG SEQRES 1 A 548 ALA ALA PRO GLY LYS PRO THR ILE ALA TRP GLY ASN THR SEQRES 2 A 548 LYS PHE ALA ILE VAL GLU VAL ASP GLN ALA ALA THR ALA SEQRES 3 A 548 TYR ASN ASN LEU VAL LYS VAL LYS ASN ALA ALA ASP VAL SEQRES 4 A 548 SER VAL SER TRP ASN LEU TRP ASN GLY ASP THR GLY THR SEQRES 5 A 548 THR ALA LYS ILE LEU LEU ASN GLY LYS GLU ALA TRP SER SEQRES 6 A 548 GLY PRO SER THR GLY SER SER GLY THR ALA ASN PHE LYS SEQRES 7 A 548 VAL ASN LYS GLY GLY ARG TYR GLN MET GLN VAL ALA LEU SEQRES 8 A 548 CYS ASN ALA ASP GLY CYS THR ALA SER ASP ALA THR GLU SEQRES 9 A 548 ILE VAL VAL ALA ASP THR ASP GLY SER HIS LEU ALA PRO SEQRES 10 A 548 LEU LYS GLU PRO LEU LEU GLU LYS ASN LYS PRO TYR LYS SEQRES 11 A 548 GLN ASN SER GLY LYS VAL VAL GLY SER TYR PHE VAL GLU SEQRES 12 A 548 TRP GLY VAL TYR GLY ARG ASN PHE THR VAL ASP LYS ILE SEQRES 13 A 548 PRO ALA GLN ASN LEU THR HIS LEU LEU TYR GLY PHE ILE SEQRES 14 A 548 PRO ILE CYS GLY GLY ASN GLY ILE ASN ASP SER LEU LYS SEQRES 15 A 548 GLU ILE GLU GLY SER PHE GLN ALA LEU GLN ARG SER CYS SEQRES 16 A 548 GLN GLY ARG GLU ASP PHE LYS VAL SER ILE HIS ASP PRO SEQRES 17 A 548 PHE ALA ALA LEU GLN LYS ALA GLN LYS GLY VAL THR ALA SEQRES 18 A 548 TRP ASP ASP PRO TYR LYS GLY ASN PHE GLY GLN LEU MET SEQRES 19 A 548 ALA LEU LYS GLN ALA HIS PRO ASP LEU LYS ILE LEU PRO SEQRES 20 A 548 SER ILE GLY GLY TRP THR LEU SER ASP PRO PHE PHE PHE SEQRES 21 A 548 MET GLY ASP LYS VAL LYS ARG ASP ARG PHE VAL GLY SER SEQRES 22 A 548 VAL LYS GLU PHE LEU GLN THR TRP LYS PHE PHE ASP GLY SEQRES 23 A 548 VAL ASP ILE ASP TRP GLU PHE PRO GLY GLY LYS GLY ALA SEQRES 24 A 548 ASN PRO ASN LEU GLY SER PRO GLN ASP GLY GLU THR TYR SEQRES 25 A 548 VAL LEU LEU MET LYS GLU LEU ARG ALA MET LEU ASP GLN SEQRES 26 A 548 LEU SER ALA GLU THR GLY ARG LYS TYR GLU LEU THR SER SEQRES 27 A 548 ALA ILE SER ALA GLY LYS ASP LYS ILE ASP LYS VAL ALA SEQRES 28 A 548 TYR ASN VAL ALA GLN ASN SER MET ASP HIS ILE PHE LEU SEQRES 29 A 548 MET SER TYR ASP PHE TYR GLY ALA PHE ASP LEU LYS ASN SEQRES 30 A 548 LEU GLY HIS GLN THR ALA LEU ASN ALA PRO ALA TRP LYS SEQRES 31 A 548 PRO ASP THR ALA TYR THR THR VAL ASN GLY VAL ASN ALA SEQRES 32 A 548 LEU LEU THR GLN GLY VAL LYS PRO GLY LYS ILE VAL VAL SEQRES 33 A 548 GLY THR ALA MET TYR GLY ARG GLY TRP THR GLY VAL ASN SEQRES 34 A 548 GLY TYR GLN ASN ASN ILE PRO PHE THR GLY THR ALA THR SEQRES 35 A 548 GLY PRO VAL LYS GLY THR TRP GLU ASN GLY ILE VAL ASP SEQRES 36 A 548 TYR ARG GLN ILE ALA SER GLN PHE MET SER GLY GLU TRP SEQRES 37 A 548 GLN TYR THR TYR ASP ALA THR ALA GLU ALA PRO TYR VAL SEQRES 38 A 548 PHE LYS PRO SER THR GLY ASP LEU ILE THR PHE ASP ASP SEQRES 39 A 548 ALA ARG SER VAL GLN ALA LYS GLY LYS TYR VAL LEU ASP SEQRES 40 A 548 LYS GLN LEU GLY GLY LEU PHE SER TRP GLU ILE ASP ALA SEQRES 41 A 548 ASP ASN GLY ASP ILE LEU ASN SER MET ASN ALA SER LEU SEQRES 42 A 548 GLY ASN SER ALA GLY VAL GLN LEU GLU HIS HIS HIS HIS SEQRES 43 A 548 HIS HIS HET 4QU A 601 28 HETNAM 4QU 11-METHYL-3-(PYRIDIN-3-YLMETHYL)-4H-PYRIMIDO[5'', HETNAM 2 4QU 4'':5',6']PYRIDO[2',3':4,5]PYRIMIDO[1,2-B]PYRIDINE-4, HETNAM 3 4QU 6(3H)-DIONE FORMUL 2 4QU C20 H14 N6 O2 FORMUL 3 HOH *750(H2 O) HELIX 1 AA1 ALA A 49 LEU A 53 1 5 HELIX 2 AA2 TRP A 167 TYR A 170 5 4 HELIX 3 AA3 THR A 175 ILE A 179 5 5 HELIX 4 AA4 PRO A 180 LEU A 184 5 5 HELIX 5 AA5 ASN A 201 ILE A 207 5 7 HELIX 6 AA6 GLY A 209 CYS A 218 1 10 HELIX 7 AA7 ASP A 230 GLN A 236 1 7 HELIX 8 AA8 LYS A 250 HIS A 263 1 14 HELIX 9 AA9 SER A 278 MET A 284 5 7 HELIX 10 AB1 ASP A 286 TRP A 304 1 19 HELIX 11 AB2 GLN A 330 GLY A 354 1 25 HELIX 12 AB3 GLY A 366 ASP A 371 1 6 HELIX 13 AB4 ALA A 374 GLN A 379 1 6 HELIX 14 AB5 ASN A 380 MET A 382 5 3 HELIX 15 AB6 THR A 419 GLY A 431 1 13 HELIX 16 AB7 LYS A 433 GLY A 435 5 3 HELIX 17 AB8 ILE A 458 GLY A 462 5 5 HELIX 18 AB9 TYR A 479 PHE A 486 1 8 HELIX 19 AC1 ASP A 517 GLN A 532 1 16 HELIX 20 AC2 GLU A 540 ASP A 544 5 5 HELIX 21 AC3 GLY A 546 LEU A 556 1 11 SHEET 1 AA1 3 THR A 30 ILE A 31 0 SHEET 2 AA1 3 ALA A 60 ASN A 67 -1 O ASN A 67 N THR A 30 SHEET 3 AA1 3 SER A 95 VAL A 102 -1 O VAL A 102 N ALA A 60 SHEET 1 AA2 5 LYS A 37 ALA A 39 0 SHEET 2 AA2 5 THR A 126 ALA A 131 1 O ALA A 131 N PHE A 38 SHEET 3 AA2 5 GLY A 106 ASN A 116 -1 N GLY A 106 O VAL A 130 SHEET 4 AA2 5 THR A 76 LEU A 81 -1 N LEU A 80 O GLN A 111 SHEET 5 AA2 5 LYS A 84 PRO A 90 -1 O GLY A 89 N ALA A 77 SHEET 1 AA3 4 LYS A 37 ALA A 39 0 SHEET 2 AA3 4 THR A 126 ALA A 131 1 O ALA A 131 N PHE A 38 SHEET 3 AA3 4 GLY A 106 ASN A 116 -1 N GLY A 106 O VAL A 130 SHEET 4 AA3 4 GLY A 119 ALA A 122 -1 O THR A 121 N LEU A 114 SHEET 1 AA4 2 VAL A 41 VAL A 43 0 SHEET 2 AA4 2 VAL A 54 VAL A 56 -1 O LYS A 55 N GLU A 42 SHEET 1 AA5 9 VAL A 159 VAL A 165 0 SHEET 2 AA5 9 HIS A 186 ILE A 192 1 O LEU A 188 N PHE A 164 SHEET 3 AA5 9 LYS A 267 GLY A 273 1 O SER A 271 N ILE A 192 SHEET 4 AA5 9 GLY A 309 ASP A 313 1 O ASP A 313 N ILE A 272 SHEET 5 AA5 9 GLU A 358 SER A 364 1 O THR A 360 N ILE A 312 SHEET 6 AA5 9 HIS A 384 MET A 388 1 O PHE A 386 N SER A 361 SHEET 7 AA5 9 ILE A 437 ALA A 442 1 O VAL A 438 N ILE A 385 SHEET 8 AA5 9 GLY A 535 TRP A 539 1 O GLY A 535 N VAL A 439 SHEET 9 AA5 9 VAL A 159 VAL A 165 1 N VAL A 159 O LEU A 536 SHEET 1 AA6 3 GLY A 466 PRO A 467 0 SHEET 2 AA6 3 TYR A 444 THR A 449 -1 N THR A 449 O GLY A 466 SHEET 3 AA6 3 ILE A 476 ASP A 478 -1 O VAL A 477 N GLY A 445 SHEET 1 AA7 5 GLY A 466 PRO A 467 0 SHEET 2 AA7 5 TYR A 444 THR A 449 -1 N THR A 449 O GLY A 466 SHEET 3 AA7 5 ASP A 511 THR A 514 -1 O THR A 514 N ARG A 446 SHEET 4 AA7 5 ALA A 501 LYS A 506 -1 N LYS A 506 O ASP A 511 SHEET 5 AA7 5 GLN A 492 ASP A 496 -1 N GLN A 492 O PHE A 505 SSBOND 1 CYS A 195 CYS A 218 1555 1555 2.05 CISPEP 1 GLY A 190 PHE A 191 0 -3.06 CISPEP 2 GLU A 315 PHE A 316 0 -5.41 CISPEP 3 TRP A 539 GLU A 540 0 -6.12 CRYST1 132.525 202.186 59.430 90.00 90.00 90.00 C 2 2 21 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 0.007546 0.000000 0.000000 0.00000 SCALE2 0.000000 0.004946 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016827 0.00000