HEADER PROTEIN BINDING 25-OCT-25 9XC5 TITLE CRYSTAL STRUCTURE OF PDE5A IN COMPLEX WITH A FLAVONOID GLYCOSIDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CGMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE; COMPND 3 CHAIN: A; 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 THE PREPARED FOLIUM OF EPIMEDIUM SAGITTATUM MAXIM.; FLAVONOID; KEYWDS 2 PRENYLHYDROQUINONE; MALE ERECTILE DYSFUNCTION; PHOSPHODIESTERASE-5A KEYWDS 3 INHIBITORY ACTIVITY, PROTEIN BINDING EXPDTA X-RAY DIFFRACTION AUTHOR S.Q.WU,L.F.PAN REVDAT 1 14-OCT-26 9XC5 0 JRNL AUTH Y.FANG,S.WU,J.XU,J.CHEN,W.SHI,H.WANG,S.LI,H.XIE,H.TAO,L.PAN, JRNL AUTH 2 Y.ZANG,G.YAO,X.ZHENG JRNL TITL MECHANISTIC STUDY OF PDE5A INHIBITORS FROM THE PREPARED JRNL TITL 2 FOLIUM OF EPIMEDIUM SAGITTATUM MAXIM. JRNL REF J.STRUCT.BIOL. V. 218 08279 2026 JRNL REFN ESSN 1095-8657 JRNL PMID 41380862 JRNL DOI 10.1016/J.JSB.2025.108279 REMARK 2 REMARK 2 RESOLUTION. 2.69 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.20.1_4487: ???) 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) : 2.69 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.36 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.8 REMARK 3 NUMBER OF REFLECTIONS : 11278 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) : 0.190 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.070 REMARK 3 FREE R VALUE TEST SET COUNT : 572 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 29.3600 - 4.2600 1.00 3038 158 0.1584 0.1839 REMARK 3 2 4.2600 - 3.3800 0.85 2430 146 0.2200 0.2634 REMARK 3 3 3.3800 - 2.9600 1.00 2865 167 0.2265 0.3403 REMARK 3 4 2.9600 - 2.6900 0.83 2373 101 0.2839 0.3424 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 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) : 27.580 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 : 0.010 2409 REMARK 3 ANGLE : 1.099 3264 REMARK 3 CHIRALITY : 0.052 378 REMARK 3 PLANARITY : 0.007 432 REMARK 3 DIHEDRAL : 8.160 344 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): -31.9895 27.0805 -26.9579 REMARK 3 T TENSOR REMARK 3 T11: 0.4149 T22: 0.5961 REMARK 3 T33: 0.5171 T12: -0.0265 REMARK 3 T13: 0.0237 T23: 0.0098 REMARK 3 L TENSOR REMARK 3 L11: 4.6859 L22: 2.5608 REMARK 3 L33: 3.1727 L12: -0.3965 REMARK 3 L13: 0.8357 L23: 0.2028 REMARK 3 S TENSOR REMARK 3 S11: 0.1275 S12: -0.1729 S13: -0.1840 REMARK 3 S21: -0.0682 S22: -0.0925 S23: 0.0425 REMARK 3 S31: 0.0173 S32: 0.0028 S33: -0.0374 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 9XC5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 08-NOV-25. REMARK 100 THE DEPOSITION ID IS D_1300065075. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-APR-24 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL02U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97918 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AUTOPROC REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11278 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.690 REMARK 200 RESOLUTION RANGE LOW (A) : 64.490 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.9 REMARK 200 DATA REDUNDANCY : 14.30 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 2.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.69 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.78 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.97 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.79 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM TRIS-HCL AT PH 8.5, 100 MM REMARK 280 MGSO4 AND 20% (W/V) PEG 3350, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 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 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 43.96900 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 87.93800 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 87.93800 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 43.96900 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, D 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 GLU A 534 REMARK 465 GLU A 535 REMARK 465 ILE A 665 REMARK 465 GLN A 666 REMARK 465 ARG A 667 REMARK 465 SER A 668 REMARK 465 GLU A 669 REMARK 465 HIS A 670 REMARK 465 PRO A 671 REMARK 465 LEU A 672 REMARK 465 ALA A 673 REMARK 465 GLN A 674 REMARK 465 LEU A 675 REMARK 465 TYR A 676 REMARK 465 CYS A 677 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 LYS A 810 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 GLN A 541 CG CD OE1 NE2 REMARK 470 GLN A 552 CG CD OE1 NE2 REMARK 470 ARG A 740 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 741 CG CD CE NZ REMARK 470 GLU A 747 CG CD OE1 OE2 REMARK 470 ASP A 788 CG OD1 OD2 REMARK 470 GLN A 789 CG CD OE1 NE2 REMARK 470 LYS A 812 CG CD CE NZ REMARK 470 GLU A 837 CG CD OE1 OE2 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 CD ARG A 607 O HOH A 1002 1.42 REMARK 500 O5 Z54 D 1 O HOH A 1013 1.66 REMARK 500 C3 GOL A 901 O HOH A 1017 1.70 REMARK 500 CG ARG A 607 O HOH A 1002 1.74 REMARK 500 O3 Z54 D 1 O HOH A 1024 1.75 REMARK 500 CA ARG A 732 O HOH A 1009 1.86 REMARK 500 O ALA A 722 O HOH A 1001 2.09 REMARK 500 NH1 ARG A 658 O HOH A 1002 2.10 REMARK 500 N ARG A 607 O HOH A 1003 2.17 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 O4 RAM D 3 O HOH A 1022 3454 1.34 REMARK 500 O LEU A 704 NH2 ARG A 777 5664 2.02 REMARK 500 C4 RAM D 3 O HOH A 1022 3454 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 THR A 537 -9.23 -57.27 REMARK 500 LYS A 630 -67.29 -94.11 REMARK 500 ASN A 661 40.55 -102.86 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 902 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 617 NE2 REMARK 620 2 HIS A 653 NE2 89.4 REMARK 620 3 ASP A 654 OD2 91.5 75.1 REMARK 620 4 ASP A 764 OD1 84.6 78.8 153.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 903 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 654 OD1 REMARK 620 2 HOH A1004 O 79.4 REMARK 620 3 HOH A1008 O 65.4 83.9 REMARK 620 4 HOH A1013 O 87.0 150.7 113.9 REMARK 620 N 1 2 3 DBREF 9XC5 A 534 859 UNP O76074 PDE5A_HUMAN 534 859 SEQRES 1 A 326 GLU GLU GLU THR ARG GLU LEU GLN SER LEU ALA ALA ALA SEQRES 2 A 326 VAL VAL PRO SER ALA GLN THR LEU LYS ILE THR ASP PHE SEQRES 3 A 326 SER PHE SER ASP PHE GLU LEU SER ASP LEU GLU THR ALA SEQRES 4 A 326 LEU CYS THR ILE ARG MET PHE THR ASP LEU ASN LEU VAL SEQRES 5 A 326 GLN ASN PHE GLN MET LYS HIS GLU VAL LEU CYS ARG TRP SEQRES 6 A 326 ILE LEU SER VAL LYS LYS ASN TYR ARG LYS ASN VAL ALA SEQRES 7 A 326 TYR HIS ASN TRP ARG HIS ALA PHE ASN THR ALA GLN CYS SEQRES 8 A 326 MET PHE ALA ALA LEU LYS ALA GLY LYS ILE GLN ASN LYS SEQRES 9 A 326 LEU THR ASP LEU GLU ILE LEU ALA LEU LEU ILE ALA ALA SEQRES 10 A 326 LEU SER HIS ASP LEU ASP HIS ARG GLY VAL ASN ASN SER SEQRES 11 A 326 TYR ILE GLN ARG SER GLU HIS PRO LEU ALA GLN LEU TYR SEQRES 12 A 326 CYS HIS SER ILE MET GLU HIS HIS HIS PHE ASP GLN CYS SEQRES 13 A 326 LEU MET ILE LEU ASN SER PRO GLY ASN GLN ILE LEU SER SEQRES 14 A 326 GLY LEU SER ILE GLU GLU TYR LYS THR THR LEU LYS ILE SEQRES 15 A 326 ILE LYS GLN ALA ILE LEU ALA THR ASP LEU ALA LEU TYR SEQRES 16 A 326 ILE LYS ARG ARG GLY GLU PHE PHE GLU LEU ILE ARG LYS SEQRES 17 A 326 ASN GLN PHE ASN LEU GLU ASP PRO HIS GLN LYS GLU LEU SEQRES 18 A 326 PHE LEU ALA MET LEU MET THR ALA CYS ASP LEU SER ALA SEQRES 19 A 326 ILE THR LYS PRO TRP PRO ILE GLN GLN ARG ILE ALA GLU SEQRES 20 A 326 LEU VAL ALA THR GLU PHE PHE ASP GLN GLY ASP ARG GLU SEQRES 21 A 326 ARG LYS GLU LEU ASN ILE GLU PRO THR ASP LEU MET ASN SEQRES 22 A 326 ARG GLU LYS LYS ASN LYS ILE PRO SER MET GLN VAL GLY SEQRES 23 A 326 PHE ILE ASP ALA ILE CYS LEU GLN LEU TYR GLU ALA LEU SEQRES 24 A 326 THR HIS VAL SER GLU ASP CYS PHE PRO LEU LEU ASP GLY SEQRES 25 A 326 CYS ARG LYS ASN ARG GLN LYS TRP GLN ALA LEU ALA GLU SEQRES 26 A 326 GLN HET Z54 D 1 27 HET RAM D 2 10 HET RAM D 3 10 HET GOL A 901 6 HET ZN A 902 1 HET MG A 903 1 HETNAM Z54 3,5,7-TRIHYDROXY-2-(4-METHOXYPHENYL)-8-(3-METHYLBUTYL)- HETNAM 2 Z54 4H-CHROMEN-4-ONE HETNAM RAM ALPHA-L-RHAMNOPYRANOSE HETNAM GOL GLYCEROL HETNAM ZN ZINC ION HETNAM MG MAGNESIUM ION HETSYN RAM ALPHA-L-RHAMNOSE; 6-DEOXY-ALPHA-L-MANNOPYRANOSE; L- HETSYN 2 RAM RHAMNOSE; RHAMNOSE HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 Z54 C21 H22 O6 FORMUL 2 RAM 2(C6 H12 O5) FORMUL 3 GOL C3 H8 O3 FORMUL 4 ZN ZN 2+ FORMUL 5 MG MG 2+ FORMUL 6 HOH *24(H2 O) HELIX 1 AA1 GLU A 536 ALA A 545 1 10 HELIX 2 AA2 SER A 567 LEU A 582 1 16 HELIX 3 AA3 ASN A 583 PHE A 588 1 6 HELIX 4 AA4 LYS A 591 ASN A 605 1 15 HELIX 5 AA5 ASN A 614 ALA A 631 1 18 HELIX 6 AA6 THR A 639 HIS A 653 1 15 HELIX 7 AA7 SER A 679 SER A 695 1 17 HELIX 8 AA8 SER A 705 THR A 723 1 19 HELIX 9 AA9 ASP A 724 LYS A 741 1 18 HELIX 10 AB1 ASP A 748 LEU A 765 1 18 HELIX 11 AB2 SER A 766 LYS A 770 5 5 HELIX 12 AB3 PRO A 771 ASP A 788 1 18 HELIX 13 AB4 LYS A 812 ILE A 824 1 13 HELIX 14 AB5 ILE A 824 SER A 836 1 13 HELIX 15 AB6 CYS A 839 GLU A 858 1 20 LINK O6 Z54 D 1 C1 RAM D 2 1555 1555 1.47 LINK O2 RAM D 2 C1 RAM D 3 1555 1555 1.43 LINK NE2 HIS A 617 ZN ZN A 902 1555 1555 2.30 LINK NE2 HIS A 653 ZN ZN A 902 1555 1555 2.29 LINK OD2 ASP A 654 ZN ZN A 902 1555 1555 1.97 LINK OD1 ASP A 654 MG MG A 903 1555 1555 2.29 LINK OD1 ASP A 764 ZN ZN A 902 1555 1555 2.12 LINK MG MG A 903 O HOH A1004 1555 1555 2.37 LINK MG MG A 903 O HOH A1008 1555 1555 2.49 LINK MG MG A 903 O HOH A1013 1555 1555 2.38 CRYST1 74.465 74.465 131.907 90.00 90.00 120.00 P 31 2 1 6 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 0.013429 0.007753 0.000000 0.00000 SCALE2 0.000000 0.015507 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007581 0.00000 CONECT 671 2363 CONECT 939 2363 CONECT 946 2364 CONECT 947 2363 CONECT 1725 2363 CONECT 2310 2311 CONECT 2311 2310 2312 CONECT 2312 2311 2313 2315 CONECT 2313 2312 2314 CONECT 2314 2313 2317 CONECT 2315 2312 2316 CONECT 2316 2315 2317 CONECT 2317 2314 2316 2318 CONECT 2318 2317 2319 2320 CONECT 2319 2318 2323 CONECT 2320 2318 2321 2336 CONECT 2321 2320 2322 2324 CONECT 2322 2321 2323 2325 CONECT 2323 2319 2322 2328 CONECT 2324 2321 CONECT 2325 2322 2326 2329 CONECT 2326 2325 2327 CONECT 2327 2326 2328 2330 CONECT 2328 2323 2327 2331 CONECT 2329 2325 CONECT 2330 2327 CONECT 2331 2328 2332 CONECT 2332 2331 2333 CONECT 2333 2332 2334 2335 CONECT 2334 2333 CONECT 2335 2333 CONECT 2336 2320 2337 CONECT 2337 2336 2338 2346 CONECT 2338 2337 2339 2343 CONECT 2339 2338 2340 2344 CONECT 2340 2339 2341 2345 CONECT 2341 2340 2342 2346 CONECT 2342 2341 CONECT 2343 2338 2347 CONECT 2344 2339 CONECT 2345 2340 CONECT 2346 2337 2341 CONECT 2347 2343 2348 2356 CONECT 2348 2347 2349 2353 CONECT 2349 2348 2350 2354 CONECT 2350 2349 2351 2355 CONECT 2351 2350 2352 2356 CONECT 2352 2351 CONECT 2353 2348 CONECT 2354 2349 CONECT 2355 2350 CONECT 2356 2347 2351 CONECT 2357 2358 2359 CONECT 2358 2357 CONECT 2359 2357 2360 2361 CONECT 2360 2359 CONECT 2361 2359 2362 CONECT 2362 2361 CONECT 2363 671 939 947 1725 CONECT 2364 946 2368 2372 2377 CONECT 2368 2364 CONECT 2372 2364 CONECT 2377 2364 MASTER 353 0 6 15 0 0 0 6 2387 1 63 26 END