HEADER OXIDOREDUCTASE 14-MAR-18 6CQA TITLE E. COLI DHFR COMPLEX WITH INHIBITOR AMPQD COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.5.1.3; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: FOLA, TMRA, B0048, JW0047; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS DHFR, DIHYDROFOLATE REDUCTASE, INHIBITOR, COMPLEX, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR H.CAO,J.RODRIGUES,J.BENACH,S.WASSERMAN,L.MORISCO,J.KOSS, AUTHOR 2 E.SHAKHNOVICH,J.SKOLNICK REVDAT 4 04-OCT-23 6CQA 1 REMARK REVDAT 3 01-JAN-20 6CQA 1 REMARK REVDAT 2 20-FEB-19 6CQA 1 REMARK REVDAT 1 09-JAN-19 6CQA 0 JRNL AUTH H.CAO,M.GAO,H.ZHOU,J.SKOLNICK JRNL TITL THE CRYSTAL STRUCTURE OF A TETRAHYDROFOLATE-BOUND JRNL TITL 2 DIHYDROFOLATE REDUCTASE REVEALS THE ORIGIN OF SLOW PRODUCT JRNL TITL 3 RELEASE. JRNL REF COMMUN BIOL V. 1 226 2018 JRNL REFN ESSN 2399-3642 JRNL PMID 30564747 JRNL DOI 10.1038/S42003-018-0236-Y REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.8.4_1496 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.18 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.6 REMARK 3 NUMBER OF REFLECTIONS : 13920 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.227 REMARK 3 R VALUE (WORKING SET) : 0.223 REMARK 3 FREE R VALUE : 0.259 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.140 REMARK 3 FREE R VALUE TEST SET COUNT : 2455 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 34.1795 - 5.7573 1.00 1289 143 0.1927 0.1958 REMARK 3 2 5.7573 - 4.5732 1.00 1278 141 0.1669 0.1863 REMARK 3 3 4.5732 - 3.9962 1.00 1272 149 0.1581 0.2211 REMARK 3 4 3.9962 - 3.6312 1.00 1269 143 0.1972 0.2305 REMARK 3 5 3.6312 - 3.3712 1.00 1288 147 0.2098 0.2954 REMARK 3 6 3.3712 - 3.1726 1.00 1274 145 0.2344 0.2752 REMARK 3 7 3.1726 - 3.0138 1.00 1284 145 0.2523 0.2664 REMARK 3 8 3.0138 - 2.8827 1.00 1264 143 0.2638 0.3111 REMARK 3 9 2.8827 - 2.7718 1.00 1295 136 0.2802 0.3505 REMARK 3 10 2.7718 - 2.6762 0.99 1248 141 0.2985 0.3245 REMARK 3 11 2.6762 - 2.5925 0.99 1264 146 0.3028 0.3163 REMARK 3 12 2.5925 - 2.5184 0.99 1296 136 0.2987 0.3603 REMARK 3 13 2.5184 - 2.4521 0.99 1261 143 0.3244 0.3481 REMARK 3 14 2.4521 - 2.3923 0.99 1253 141 0.3269 0.3866 REMARK 3 15 2.3923 - 2.3380 0.94 1204 140 0.4080 0.4389 REMARK 3 16 2.3380 - 2.2882 0.83 1051 130 0.4092 0.4226 REMARK 3 17 2.2882 - 2.2425 0.72 904 96 0.4521 0.4808 REMARK 3 18 2.2425 - 2.2001 0.59 767 90 0.4867 0.4921 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.400 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 34.960 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 53.14 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 69.60 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 : 0.006 1335 REMARK 3 ANGLE : 1.009 1820 REMARK 3 CHIRALITY : 0.035 189 REMARK 3 PLANARITY : 0.005 234 REMARK 3 DIHEDRAL : 13.396 480 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 6CQA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-MAR-18. REMARK 100 THE DEPOSITION ID IS D_1000233211. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-MAR-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 3.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 31-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97931 REMARK 200 MONOCHROMATOR : KOHZU HLD-4 DOUBLE CRYSTAL REMARK 200 OPTICS : DIAMOND(111) REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX-225 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17823 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.940 REMARK 200 RESOLUTION RANGE LOW (A) : 34.175 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.2 REMARK 200 DATA REDUNDANCY : 14.05 REMARK 200 R MERGE (I) : 0.12800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.8100 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.94 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.05 REMARK 200 COMPLETENESS FOR SHELL (%) : 36.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.41 REMARK 200 R MERGE FOR SHELL (I) : 4.48800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.230 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 7DFR REMARK 200 REMARK 200 REMARK: LONG AND THICK ROD SHAPE, WITH LONGEST DIMENSION OF 0.05 REMARK 200 -0.5MM REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 65.94 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.61 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 8-10MG/ML PROTEIN WITH 80UM AMPQD AND REMARK 280 0.5MM NADPH IN 50MM HEPES PH 7.3, 100MM NACL (CONCENTRATED AFTER REMARK 280 DIALYSIS), MIXED AT 1:1 V/V RATIO WITH RESERVOIR SOLUTION OF REMARK 280 0.1M CITRATE PH 3.5, 15% PEG6000, 150MM LITHIUM SULFATE, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 293.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 71.90867 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 143.81733 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 107.86300 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 179.77167 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 35.95433 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 71.90867 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 143.81733 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 179.77167 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 107.86300 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 35.95433 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 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 HIS A 160 REMARK 465 HIS A 161 REMARK 465 HIS A 162 REMARK 465 HIS A 163 REMARK 465 HIS A 164 REMARK 465 HIS A 165 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 328 O HOH A 333 12555 2.18 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 MET A 16 100.30 -163.94 REMARK 500 ASN A 18 33.60 -84.39 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 A 339 DISTANCE = 10.22 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue PQD A 203 DBREF 6CQA A 1 159 UNP P0ABQ4 DYR_ECOLI 1 159 SEQADV 6CQA HIS A 160 UNP P0ABQ4 EXPRESSION TAG SEQADV 6CQA HIS A 161 UNP P0ABQ4 EXPRESSION TAG SEQADV 6CQA HIS A 162 UNP P0ABQ4 EXPRESSION TAG SEQADV 6CQA HIS A 163 UNP P0ABQ4 EXPRESSION TAG SEQADV 6CQA HIS A 164 UNP P0ABQ4 EXPRESSION TAG SEQADV 6CQA HIS A 165 UNP P0ABQ4 EXPRESSION TAG SEQRES 1 A 165 MET ILE SER LEU ILE ALA ALA LEU ALA VAL ASP ARG VAL SEQRES 2 A 165 ILE GLY MET GLU ASN ALA MET PRO TRP ASN LEU PRO ALA SEQRES 3 A 165 ASP LEU ALA TRP PHE LYS ARG ASN THR LEU ASN LYS PRO SEQRES 4 A 165 VAL ILE MET GLY ARG HIS THR TRP GLU SER ILE GLY ARG SEQRES 5 A 165 PRO LEU PRO GLY ARG LYS ASN ILE ILE LEU SER SER GLN SEQRES 6 A 165 PRO GLY THR ASP ASP ARG VAL THR TRP VAL LYS SER VAL SEQRES 7 A 165 ASP GLU ALA ILE ALA ALA CYS GLY ASP VAL PRO GLU ILE SEQRES 8 A 165 MET VAL ILE GLY GLY GLY ARG VAL TYR GLU GLN PHE LEU SEQRES 9 A 165 PRO LYS ALA GLN LYS LEU TYR LEU THR HIS ILE ASP ALA SEQRES 10 A 165 GLU VAL GLU GLY ASP THR HIS PHE PRO ASP TYR GLU PRO SEQRES 11 A 165 ASP ASP TRP GLU SER VAL PHE SER GLU PHE HIS ASP ALA SEQRES 12 A 165 ASP ALA GLN ASN SER HIS SER TYR CYS PHE GLU ILE LEU SEQRES 13 A 165 GLU ARG ARG HIS HIS HIS HIS HIS HIS HET SO4 A 201 5 HET SO4 A 202 5 HET PQD A 203 37 HETNAM SO4 SULFATE ION HETNAM PQD 7-[(3-AMINOPHENYL)METHYL]-7H-PYRROLO[3,2-F]QUINAZOLINE- HETNAM 2 PQD 1,3-DIAMINE FORMUL 2 SO4 2(O4 S 2-) FORMUL 4 PQD C17 H16 N6 FORMUL 5 HOH *39(H2 O) HELIX 1 AA1 ALA A 9 VAL A 13 5 5 HELIX 2 AA2 LEU A 24 LEU A 36 1 13 HELIX 3 AA3 GLY A 43 SER A 49 1 7 HELIX 4 AA4 SER A 77 ALA A 84 1 8 HELIX 5 AA5 GLY A 96 LEU A 104 1 9 SHEET 1 AA1 8 THR A 73 VAL A 75 0 SHEET 2 AA1 8 ASN A 59 LEU A 62 1 N ILE A 61 O THR A 73 SHEET 3 AA1 8 VAL A 40 MET A 42 1 N VAL A 40 O ILE A 60 SHEET 4 AA1 8 ILE A 91 VAL A 93 1 O MET A 92 N ILE A 41 SHEET 5 AA1 8 ILE A 2 LEU A 8 1 N SER A 3 O VAL A 93 SHEET 6 AA1 8 ALA A 107 ILE A 115 1 O TYR A 111 N LEU A 4 SHEET 7 AA1 8 TYR A 151 ARG A 158 -1 O CYS A 152 N HIS A 114 SHEET 8 AA1 8 TRP A 133 HIS A 141 -1 N GLU A 134 O GLU A 157 CISPEP 1 MET A 20 PRO A 21 0 -5.45 CISPEP 2 GLY A 95 GLY A 96 0 1.60 SITE 1 AC1 8 GLY A 43 ARG A 44 HIS A 45 THR A 46 SITE 2 AC1 8 GLY A 96 VAL A 99 HOH A 307 HOH A 329 SITE 1 AC2 4 ARG A 44 SER A 63 SER A 64 HOH A 303 SITE 1 AC3 10 ILE A 5 ALA A 6 ALA A 7 MET A 16 SITE 2 AC3 10 ASP A 27 PHE A 31 ILE A 94 TYR A 100 SITE 3 AC3 10 THR A 113 HOH A 319 CRYST1 64.651 64.651 215.726 90.00 90.00 120.00 P 61 2 2 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 0.015468 0.008930 0.000000 0.00000 SCALE2 0.000000 0.017861 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004636 0.00000