HEADER HYDROLASE/INHIBITOR 18-DEC-19 6VBI TITLE CRYSTAL STRUCTURE OF PDE5 IN COMPLEX WITH A NON-COMPETITIVE INHIBITOR CAVEAT 6VBI FZA A 901 HAS WRONG CHIRALITY AT ATOM C8 FZA B 901 HAS WRONG CAVEAT 2 6VBI CHIRALITY AT ATOM C8 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CGMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CGMP-BINDING CGMP-SPECIFIC PHOSPHODIESTERASE,CGB-PDE; COMPND 5 EC: 3.1.4.35; COMPND 6 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: PDE5A, PDE5; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PDE5, ALLOSTERIC REGULATION, NON-COMPETITIVE INHIBITORS, HYDROLASE, KEYWDS 2 HYDROLASE-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR H.KE,H.B.LUO REVDAT 2 11-OCT-23 6VBI 1 REMARK REVDAT 1 20-JAN-21 6VBI 0 JRNL AUTH T.ZHANG,H.KE,H.LUO JRNL TITL IDENTIFICATION OF A NOVEL ALLOSTERIC POCKET AND ITS JRNL TITL 2 REGULATION MECHANISM JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.10_2155 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.46 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.356 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 31629 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.192 REMARK 3 R VALUE (WORKING SET) : 0.189 REMARK 3 FREE R VALUE : 0.252 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.897 REMARK 3 FREE R VALUE TEST SET COUNT : 1549 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 22.4500 - 5.0970 0.97 2858 153 0.1719 0.2140 REMARK 3 2 5.0970 - 4.0534 0.99 2808 132 0.1603 0.2286 REMARK 3 3 4.0534 - 3.5433 1.00 2788 133 0.1592 0.2223 REMARK 3 4 3.5433 - 3.2203 1.00 2764 127 0.1782 0.2146 REMARK 3 5 3.2203 - 2.9901 1.00 2730 150 0.2033 0.2655 REMARK 3 6 2.9901 - 2.8141 1.00 2734 158 0.2068 0.2833 REMARK 3 7 2.8141 - 2.6734 1.00 2729 149 0.2114 0.3027 REMARK 3 8 2.6734 - 2.5572 1.00 2728 131 0.2183 0.3045 REMARK 3 9 2.5572 - 2.4589 0.99 2669 136 0.2347 0.2744 REMARK 3 10 2.4589 - 2.3742 0.97 2655 150 0.2391 0.3048 REMARK 3 11 2.3742 - 2.3100 0.97 2617 130 0.2346 0.3073 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) : 0.266 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.021 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 24.43 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.49 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 : 0.008 5054 REMARK 3 ANGLE : 0.921 6839 REMARK 3 CHIRALITY : 0.049 767 REMARK 3 PLANARITY : 0.006 928 REMARK 3 DIHEDRAL : 15.321 3097 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 6VBI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-DEC-19. REMARK 100 THE DEPOSITION ID IS D_1000246137. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-MAY-19 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : SEALED TUBE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : OXFORD DIFFRACTION NOVA REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : OXFORD ONYX CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSALISPRO 38.41 REMARK 200 DATA SCALING SOFTWARE : CRYSALISPRO 38.41 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31630 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 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 (%) : 99.1 REMARK 200 DATA REDUNDANCY : 4.500 REMARK 200 R MERGE (I) : 0.09900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.70 REMARK 200 R MERGE FOR SHELL (I) : 0.46400 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 1.10 REMARK 200 STARTING MODEL: 2H40 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.07 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.51 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 8% PEG3350, 0.2 M AMMONIUM ACETATE, REMARK 280 0.1 M NA ACETATE, PH 4.6, EVAPORATION, TEMPERATURE 298K 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 32.98750 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 62.19050 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.75950 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 62.19050 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 32.98750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.75950 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 GLN A 789 REMARK 465 GLY A 790 REMARK 465 ASP A 791 REMARK 465 ARG A 792 REMARK 465 GLU A 793 REMARK 465 ARG A 794 REMARK 465 LYS A 795 REMARK 465 GLU A 796 REMARK 465 LEU A 797 REMARK 465 ASN A 798 REMARK 465 ILE A 799 REMARK 465 GLU A 800 REMARK 465 PRO A 801 REMARK 465 THR A 802 REMARK 465 ASP A 803 REMARK 465 LEU A 804 REMARK 465 MET A 805 REMARK 465 ASN A 806 REMARK 465 ARG A 807 REMARK 465 GLU A 808 REMARK 465 LYS A 809 REMARK 465 PHE B 786 REMARK 465 PHE B 787 REMARK 465 ASP B 788 REMARK 465 GLN B 789 REMARK 465 GLY B 790 REMARK 465 ASP B 791 REMARK 465 ARG B 792 REMARK 465 GLU B 793 REMARK 465 ARG B 794 REMARK 465 LYS B 795 REMARK 465 GLU B 796 REMARK 465 LEU B 797 REMARK 465 ASN B 798 REMARK 465 ILE B 799 REMARK 465 GLU B 800 REMARK 465 PRO B 801 REMARK 465 THR B 802 REMARK 465 ASP B 803 REMARK 465 LEU B 804 REMARK 465 MET B 805 REMARK 465 ASN B 806 REMARK 465 ARG B 807 REMARK 465 GLU B 808 REMARK 465 LYS B 809 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 1047 O HOH A 1069 2.01 REMARK 500 O HOH A 1001 O HOH A 1069 2.14 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 LYS A 630 -79.65 -86.73 REMARK 500 TYR A 664 -11.36 70.88 REMARK 500 ILE A 824 -59.32 -127.22 REMARK 500 GLU A 858 12.28 -64.06 REMARK 500 TYR B 664 -9.55 68.13 REMARK 500 ALA B 783 53.61 -109.06 REMARK 500 ILE B 824 -60.51 -129.71 REMARK 500 GLU B 858 8.53 -66.47 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue FZA A 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue FZA B 901 DBREF 6VBI A 535 859 UNP O76074 PDE5A_HUMAN 535 859 DBREF 6VBI B 535 859 UNP O76074 PDE5A_HUMAN 535 859 SEQRES 1 A 325 GLU GLU THR ARG GLU LEU GLN SER LEU ALA ALA ALA VAL SEQRES 2 A 325 VAL PRO SER ALA GLN THR LEU LYS ILE THR ASP PHE SER SEQRES 3 A 325 PHE SER ASP PHE GLU LEU SER ASP LEU GLU THR ALA LEU SEQRES 4 A 325 CYS THR ILE ARG MET PHE THR ASP LEU ASN LEU VAL GLN SEQRES 5 A 325 ASN PHE GLN MET LYS HIS GLU VAL LEU CYS ARG TRP ILE SEQRES 6 A 325 LEU SER VAL LYS LYS ASN TYR ARG LYS ASN VAL ALA TYR SEQRES 7 A 325 HIS ASN TRP ARG HIS ALA PHE ASN THR ALA GLN CYS MET SEQRES 8 A 325 PHE ALA ALA LEU LYS ALA GLY LYS ILE GLN ASN LYS LEU SEQRES 9 A 325 THR ASP LEU GLU ILE LEU ALA LEU LEU ILE ALA ALA LEU SEQRES 10 A 325 SER HIS ASP LEU ASP HIS ARG GLY VAL ASN ASN SER TYR SEQRES 11 A 325 ILE GLN ARG SER GLU HIS PRO LEU ALA GLN LEU TYR CYS SEQRES 12 A 325 HIS SER ILE MET GLU HIS HIS HIS PHE ASP GLN CYS LEU SEQRES 13 A 325 MET ILE LEU ASN SER PRO GLY ASN GLN ILE LEU SER GLY SEQRES 14 A 325 LEU SER ILE GLU GLU TYR LYS THR THR LEU LYS ILE ILE SEQRES 15 A 325 LYS GLN ALA ILE LEU ALA THR ASP LEU ALA LEU TYR ILE SEQRES 16 A 325 LYS ARG ARG GLY GLU PHE PHE GLU LEU ILE ARG LYS ASN SEQRES 17 A 325 GLN PHE ASN LEU GLU ASP PRO HIS GLN LYS GLU LEU PHE SEQRES 18 A 325 LEU ALA MET LEU MET THR ALA CYS ASP LEU SER ALA ILE SEQRES 19 A 325 THR LYS PRO TRP PRO ILE GLN GLN ARG ILE ALA GLU LEU SEQRES 20 A 325 VAL ALA THR GLU PHE PHE ASP GLN GLY ASP ARG GLU ARG SEQRES 21 A 325 LYS GLU LEU ASN ILE GLU PRO THR ASP LEU MET ASN ARG SEQRES 22 A 325 GLU LYS LYS ASN LYS ILE PRO SER MET GLN VAL GLY PHE SEQRES 23 A 325 ILE ASP ALA ILE CYS LEU GLN LEU TYR GLU ALA LEU THR SEQRES 24 A 325 HIS VAL SER GLU ASP CYS PHE PRO LEU LEU ASP GLY CYS SEQRES 25 A 325 ARG LYS ASN ARG GLN LYS TRP GLN ALA LEU ALA GLU GLN SEQRES 1 B 325 GLU GLU THR ARG GLU LEU GLN SER LEU ALA ALA ALA VAL SEQRES 2 B 325 VAL PRO SER ALA GLN THR LEU LYS ILE THR ASP PHE SER SEQRES 3 B 325 PHE SER ASP PHE GLU LEU SER ASP LEU GLU THR ALA LEU SEQRES 4 B 325 CYS THR ILE ARG MET PHE THR ASP LEU ASN LEU VAL GLN SEQRES 5 B 325 ASN PHE GLN MET LYS HIS GLU VAL LEU CYS ARG TRP ILE SEQRES 6 B 325 LEU SER VAL LYS LYS ASN TYR ARG LYS ASN VAL ALA TYR SEQRES 7 B 325 HIS ASN TRP ARG HIS ALA PHE ASN THR ALA GLN CYS MET SEQRES 8 B 325 PHE ALA ALA LEU LYS ALA GLY LYS ILE GLN ASN LYS LEU SEQRES 9 B 325 THR ASP LEU GLU ILE LEU ALA LEU LEU ILE ALA ALA LEU SEQRES 10 B 325 SER HIS ASP LEU ASP HIS ARG GLY VAL ASN ASN SER TYR SEQRES 11 B 325 ILE GLN ARG SER GLU HIS PRO LEU ALA GLN LEU TYR CYS SEQRES 12 B 325 HIS SER ILE MET GLU HIS HIS HIS PHE ASP GLN CYS LEU SEQRES 13 B 325 MET ILE LEU ASN SER PRO GLY ASN GLN ILE LEU SER GLY SEQRES 14 B 325 LEU SER ILE GLU GLU TYR LYS THR THR LEU LYS ILE ILE SEQRES 15 B 325 LYS GLN ALA ILE LEU ALA THR ASP LEU ALA LEU TYR ILE SEQRES 16 B 325 LYS ARG ARG GLY GLU PHE PHE GLU LEU ILE ARG LYS ASN SEQRES 17 B 325 GLN PHE ASN LEU GLU ASP PRO HIS GLN LYS GLU LEU PHE SEQRES 18 B 325 LEU ALA MET LEU MET THR ALA CYS ASP LEU SER ALA ILE SEQRES 19 B 325 THR LYS PRO TRP PRO ILE GLN GLN ARG ILE ALA GLU LEU SEQRES 20 B 325 VAL ALA THR GLU PHE PHE ASP GLN GLY ASP ARG GLU ARG SEQRES 21 B 325 LYS GLU LEU ASN ILE GLU PRO THR ASP LEU MET ASN ARG SEQRES 22 B 325 GLU LYS LYS ASN LYS ILE PRO SER MET GLN VAL GLY PHE SEQRES 23 B 325 ILE ASP ALA ILE CYS LEU GLN LEU TYR GLU ALA LEU THR SEQRES 24 B 325 HIS VAL SER GLU ASP CYS PHE PRO LEU LEU ASP GLY CYS SEQRES 25 B 325 ARG LYS ASN ARG GLN LYS TRP GLN ALA LEU ALA GLU GLN HET FZA A 901 27 HET FZA B 901 27 HETNAM FZA (13BS)-4,9-DIMETHOXY-14-METHYL-8,13,13B,14- HETNAM 2 FZA TETRAHYDROINDOLO[2',3':3,4]PYRIDO[2,1-B]QUINAZOLIN- HETNAM 3 FZA 5(7H)-ONE FORMUL 3 FZA 2(C21 H21 N3 O3) FORMUL 5 HOH *146(H2 O) HELIX 1 AA1 GLU A 536 ALA A 546 1 11 HELIX 2 AA2 SER A 550 LYS A 555 1 6 HELIX 3 AA3 SER A 567 LEU A 582 1 16 HELIX 4 AA4 ASN A 583 PHE A 588 1 6 HELIX 5 AA5 LYS A 591 ASN A 605 1 15 HELIX 6 AA6 VAL A 610 HIS A 613 5 4 HELIX 7 AA7 ASN A 614 LYS A 630 1 17 HELIX 8 AA8 LYS A 633 LEU A 638 5 6 HELIX 9 AA9 THR A 639 HIS A 653 1 15 HELIX 10 AB1 LEU A 672 CYS A 677 1 6 HELIX 11 AB2 PHE A 686 ASN A 694 1 9 HELIX 12 AB3 SER A 705 ALA A 722 1 18 HELIX 13 AB4 ASP A 724 LYS A 741 1 18 HELIX 14 AB5 ASP A 748 LEU A 765 1 18 HELIX 15 AB6 SER A 766 LYS A 770 5 5 HELIX 16 AB7 PRO A 771 GLU A 780 1 10 HELIX 17 AB8 GLU A 780 GLU A 785 1 6 HELIX 18 AB9 LYS A 812 ILE A 824 1 13 HELIX 19 AC1 ILE A 824 SER A 836 1 13 HELIX 20 AC2 CYS A 839 GLU A 858 1 20 HELIX 21 AC3 GLU B 536 ALA B 546 1 11 HELIX 22 AC4 SER B 550 LYS B 555 1 6 HELIX 23 AC5 SER B 567 LEU B 582 1 16 HELIX 24 AC6 ASN B 583 PHE B 588 1 6 HELIX 25 AC7 LYS B 591 ASN B 605 1 15 HELIX 26 AC8 VAL B 610 HIS B 613 5 4 HELIX 27 AC9 ASN B 614 GLY B 632 1 19 HELIX 28 AD1 LYS B 633 LEU B 638 5 6 HELIX 29 AD2 THR B 639 HIS B 653 1 15 HELIX 30 AD3 LEU B 672 CYS B 677 1 6 HELIX 31 AD4 PHE B 686 ASN B 694 1 9 HELIX 32 AD5 SER B 705 ALA B 722 1 18 HELIX 33 AD6 ASP B 724 LYS B 741 1 18 HELIX 34 AD7 ASP B 748 LEU B 765 1 18 HELIX 35 AD8 SER B 766 LYS B 770 5 5 HELIX 36 AD9 PRO B 771 LEU B 781 1 11 HELIX 37 AE1 VAL B 782 THR B 784 5 3 HELIX 38 AE2 LYS B 812 ILE B 824 1 13 HELIX 39 AE3 ILE B 824 SER B 836 1 13 HELIX 40 AE4 CYS B 839 GLU B 858 1 20 SSBOND 1 CYS A 677 CYS B 677 1555 4557 2.08 SITE 1 AC1 16 ASP A 563 PHE A 564 ALA A 611 ASN A 614 SITE 2 AC1 16 ARG A 616 HIS A 617 ASN A 620 THR A 621 SITE 3 AC1 16 CYS A 763 ASP A 764 SER A 766 ALA A 767 SITE 4 AC1 16 ILE A 778 HOH A1067 MET B 691 SER B 695 SITE 1 AC2 13 ASP B 563 ALA B 611 ASN B 614 ARG B 616 SITE 2 AC2 13 HIS B 617 ASN B 620 THR B 621 CYS B 763 SITE 3 AC2 13 ASP B 764 SER B 766 ALA B 767 ILE B 778 SITE 4 AC2 13 HOH B1044 CRYST1 65.975 85.519 124.381 90.00 90.00 90.00 P 21 21 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 0.015157 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011693 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008040 0.00000