HEADER METAL BINDING PROTEIN 08-APR-22 7ZIG TITLE CRYSTAL STRUCTURE OF HUMAN TRYPTOPHAN HYDROXYLASE 1 IN COMPLEX WITH TITLE 2 INHIBITOR KM-05-060 COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPTOPHAN 5-HYDROXYLASE 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TRYPTOPHAN 5-MONOOXYGENASE 1; COMPND 5 EC: 1.14.16.4; 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: TPH1, TPH, TPRH, TRPH; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TRYPTOPHAN HYDROXYLASE, SEROTONIN BIOSYNTHESIS, METAL BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.SCHUETZ,K.MALLOW,M.NAZARE,E.SPECKER,U.HEINEMANN REVDAT 2 31-JAN-24 7ZIG 1 REMARK REVDAT 1 07-SEP-22 7ZIG 0 JRNL AUTH E.SPECKER,S.MATTHES,R.WESOLOWSKI,A.SCHUTZ,M.GROHMANN, JRNL AUTH 2 N.ALENINA,D.PLEIMES,K.MALLOW,M.NEUENSCHWANDER,A.GOGOLIN, JRNL AUTH 3 M.WEISE,J.PFEIFER,N.ZIEBART,U.HEINEMANN,J.P.VON KRIES, JRNL AUTH 4 M.NAZARE,M.BADER JRNL TITL STRUCTURE-BASED DESIGN OF XANTHINE-BENZIMIDAZOLE DERIVATIVES JRNL TITL 2 AS NOVEL AND POTENT TRYPTOPHAN HYDROXYLASE INHIBITORS. JRNL REF J.MED.CHEM. V. 65 11126 2022 JRNL REFN ISSN 0022-2623 JRNL PMID 35921615 JRNL DOI 10.1021/ACS.JMEDCHEM.2C00598 REMARK 2 REMARK 2 RESOLUTION. 1.81 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.9_1692 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) : 1.81 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.93 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.363 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 29077 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.170 REMARK 3 R VALUE (WORKING SET) : 0.168 REMARK 3 FREE R VALUE : 0.206 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.001 REMARK 3 FREE R VALUE TEST SET COUNT : 1454 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 3.8965 - 3.0929 1.00 2788 146 0.1511 0.1922 REMARK 3 2 3.0929 - 2.7020 1.00 2760 146 0.1715 0.1940 REMARK 3 3 2.7020 - 2.4550 1.00 2776 146 0.1711 0.2097 REMARK 3 4 2.4550 - 2.2790 1.00 2747 144 0.1677 0.1879 REMARK 3 5 2.2790 - 2.1446 1.00 2776 146 0.1744 0.2454 REMARK 3 6 2.1446 - 2.0372 1.00 2777 146 0.1939 0.2555 REMARK 3 7 2.0372 - 1.9486 1.00 2733 144 0.2069 0.2723 REMARK 3 8 1.9486 - 1.8735 1.00 2747 145 0.2233 0.2609 REMARK 3 9 1.8735 - 1.8089 0.98 2687 141 0.2406 0.2983 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) : 0.201 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.188 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.67 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.16 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 : 0.014 2425 REMARK 3 ANGLE : 1.518 3285 REMARK 3 CHIRALITY : 0.081 342 REMARK 3 PLANARITY : 0.010 424 REMARK 3 DIHEDRAL : 12.066 908 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 7ZIG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 14-APR-22. REMARK 100 THE DEPOSITION ID IS D_1292121885. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-JUL-14 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 : BESSY REMARK 200 BEAMLINE : 14.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9184 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 : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29078 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.809 REMARK 200 RESOLUTION RANGE LOW (A) : 46.940 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : 0.07700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.2300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.81 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.87 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.63110 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 REMARK 200 STARTING MODEL: 1MLW REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.91 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 26% W/V PEG 5000 MME, 200 MM AMMONIUM REMARK 280 SULFATE, 100 MM HEPES-NAOH PH 7.0, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 28.94950 REMARK 290 SMTRY3 2 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 0 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12940 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 KCAL/MOL 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 MET A 76 REMARK 465 LYS A 77 REMARK 465 HIS A 78 REMARK 465 HIS A 79 REMARK 465 HIS A 80 REMARK 465 HIS A 81 REMARK 465 HIS A 82 REMARK 465 HIS A 83 REMARK 465 HIS A 84 REMARK 465 GLY A 85 REMARK 465 ALA A 86 REMARK 465 ALA A 87 REMARK 465 GLY A 88 REMARK 465 THR A 89 REMARK 465 SER A 90 REMARK 465 LEU A 91 REMARK 465 TYR A 92 REMARK 465 LYS A 93 REMARK 465 LYS A 94 REMARK 465 ALA A 95 REMARK 465 GLY A 96 REMARK 465 GLU A 97 REMARK 465 ASN A 98 REMARK 465 LEU A 99 REMARK 465 TYR A 100 REMARK 465 PHE A 101 REMARK 465 GLN A 102 REMARK 465 GLY A 103 REMARK 465 LEU A 123 REMARK 465 MET A 124 REMARK 465 TYR A 125 REMARK 465 GLY A 126 REMARK 465 SER A 127 REMARK 465 LYS A 394 REMARK 465 ARG A 395 REMARK 465 PRO A 396 REMARK 465 PHE A 397 REMARK 465 GLY A 398 REMARK 465 VAL A 399 REMARK 465 LYS A 400 REMARK 465 TYR A 401 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 794 O HOH A 821 2.06 REMARK 500 O HOH A 615 O HOH A 808 2.19 REMARK 500 O HOH A 776 O HOH A 818 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 788 O HOH A 813 2455 2.08 REMARK 500 O HOH A 781 O HOH A 821 2445 2.09 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 328 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES 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 315 -72.88 -122.04 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 FE A 502 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 272 NE2 REMARK 620 2 HIS A 277 NE2 93.4 REMARK 620 3 GLU A 317 OE1 99.1 96.3 REMARK 620 4 GLU A 317 OE2 157.6 83.3 59.4 REMARK 620 5 IVZ A 501 NAT 101.0 164.7 86.5 85.3 REMARK 620 6 HOH A 629 O 91.0 84.9 169.7 110.7 89.7 REMARK 620 N 1 2 3 4 5 DBREF 7ZIG A 105 401 UNP P17752 TPH1_HUMAN 105 401 SEQADV 7ZIG MET A 76 UNP P17752 INITIATING METHIONINE SEQADV 7ZIG LYS A 77 UNP P17752 EXPRESSION TAG SEQADV 7ZIG HIS A 78 UNP P17752 EXPRESSION TAG SEQADV 7ZIG HIS A 79 UNP P17752 EXPRESSION TAG SEQADV 7ZIG HIS A 80 UNP P17752 EXPRESSION TAG SEQADV 7ZIG HIS A 81 UNP P17752 EXPRESSION TAG SEQADV 7ZIG HIS A 82 UNP P17752 EXPRESSION TAG SEQADV 7ZIG HIS A 83 UNP P17752 EXPRESSION TAG SEQADV 7ZIG HIS A 84 UNP P17752 EXPRESSION TAG SEQADV 7ZIG GLY A 85 UNP P17752 EXPRESSION TAG SEQADV 7ZIG ALA A 86 UNP P17752 EXPRESSION TAG SEQADV 7ZIG ALA A 87 UNP P17752 EXPRESSION TAG SEQADV 7ZIG GLY A 88 UNP P17752 EXPRESSION TAG SEQADV 7ZIG THR A 89 UNP P17752 EXPRESSION TAG SEQADV 7ZIG SER A 90 UNP P17752 EXPRESSION TAG SEQADV 7ZIG LEU A 91 UNP P17752 EXPRESSION TAG SEQADV 7ZIG TYR A 92 UNP P17752 EXPRESSION TAG SEQADV 7ZIG LYS A 93 UNP P17752 EXPRESSION TAG SEQADV 7ZIG LYS A 94 UNP P17752 EXPRESSION TAG SEQADV 7ZIG ALA A 95 UNP P17752 EXPRESSION TAG SEQADV 7ZIG GLY A 96 UNP P17752 EXPRESSION TAG SEQADV 7ZIG GLU A 97 UNP P17752 EXPRESSION TAG SEQADV 7ZIG ASN A 98 UNP P17752 EXPRESSION TAG SEQADV 7ZIG LEU A 99 UNP P17752 EXPRESSION TAG SEQADV 7ZIG TYR A 100 UNP P17752 EXPRESSION TAG SEQADV 7ZIG PHE A 101 UNP P17752 EXPRESSION TAG SEQADV 7ZIG GLN A 102 UNP P17752 EXPRESSION TAG SEQADV 7ZIG GLY A 103 UNP P17752 EXPRESSION TAG SEQADV 7ZIG SER A 104 UNP P17752 EXPRESSION TAG SEQRES 1 A 326 MET LYS HIS HIS HIS HIS HIS HIS HIS GLY ALA ALA GLY SEQRES 2 A 326 THR SER LEU TYR LYS LYS ALA GLY GLU ASN LEU TYR PHE SEQRES 3 A 326 GLN GLY SER VAL PRO TRP PHE PRO LYS LYS ILE SER ASP SEQRES 4 A 326 LEU ASP HIS CYS ALA ASN ARG VAL LEU MET TYR GLY SER SEQRES 5 A 326 GLU LEU ASP ALA ASP HIS PRO GLY PHE LYS ASP ASN VAL SEQRES 6 A 326 TYR ARG LYS ARG ARG LYS TYR PHE ALA ASP LEU ALA MET SEQRES 7 A 326 ASN TYR LYS HIS GLY ASP PRO ILE PRO LYS VAL GLU PHE SEQRES 8 A 326 THR GLU GLU GLU ILE LYS THR TRP GLY THR VAL PHE GLN SEQRES 9 A 326 GLU LEU ASN LYS LEU TYR PRO THR HIS ALA CYS ARG GLU SEQRES 10 A 326 TYR LEU LYS ASN LEU PRO LEU LEU SER LYS TYR CYS GLY SEQRES 11 A 326 TYR ARG GLU ASP ASN ILE PRO GLN LEU GLU ASP VAL SER SEQRES 12 A 326 ASN PHE LEU LYS GLU ARG THR GLY PHE SER ILE ARG PRO SEQRES 13 A 326 VAL ALA GLY TYR LEU SER PRO ARG ASP PHE LEU SER GLY SEQRES 14 A 326 LEU ALA PHE ARG VAL PHE HIS CYS THR GLN TYR VAL ARG SEQRES 15 A 326 HIS SER SER ASP PRO PHE TYR THR PRO GLU PRO ASP THR SEQRES 16 A 326 CYS HIS GLU LEU LEU GLY HIS VAL PRO LEU LEU ALA GLU SEQRES 17 A 326 PRO SER PHE ALA GLN PHE SER GLN GLU ILE GLY LEU ALA SEQRES 18 A 326 SER LEU GLY ALA SER GLU GLU ALA VAL GLN LYS LEU ALA SEQRES 19 A 326 THR CYS TYR PHE PHE THR VAL GLU PHE GLY LEU CYS LYS SEQRES 20 A 326 GLN ASP GLY GLN LEU ARG VAL PHE GLY ALA GLY LEU LEU SEQRES 21 A 326 SER SER ILE SER GLU LEU LYS HIS ALA LEU SER GLY HIS SEQRES 22 A 326 ALA LYS VAL LYS PRO PHE ASP PRO LYS ILE THR CYS LYS SEQRES 23 A 326 GLN GLU CYS LEU ILE THR THR PHE GLN ASP VAL TYR PHE SEQRES 24 A 326 VAL SER GLU SER PHE GLU ASP ALA LYS GLU LYS MET ARG SEQRES 25 A 326 GLU PHE THR LYS THR ILE LYS ARG PRO PHE GLY VAL LYS SEQRES 26 A 326 TYR HET IVZ A 501 39 HET FE A 502 1 HETNAM IVZ (2~{R})-2-AZANYL-5-[[2-[[3-METHYL-2,6- HETNAM 2 IVZ BIS(OXIDANYLIDENE)-7-(PHENYLMETHYL)PURIN-8-YL]METHYL]- HETNAM 3 IVZ 1~{H}-BENZIMIDAZOL-5-YL]AMINO]-5-OXIDANYLIDENE- HETNAM 4 IVZ PENTANOIC ACID HETNAM FE FE (III) ION FORMUL 2 IVZ C26 H26 N8 O5 FORMUL 3 FE FE 3+ FORMUL 4 HOH *228(H2 O) HELIX 1 AA1 LYS A 111 CYS A 118 5 8 HELIX 2 AA2 ASP A 138 TYR A 155 1 18 HELIX 3 AA3 THR A 167 ALA A 189 1 23 HELIX 4 AA4 CYS A 190 GLY A 205 1 16 HELIX 5 AA5 GLN A 213 GLY A 226 1 14 HELIX 6 AA6 SER A 237 PHE A 247 1 11 HELIX 7 AA7 ASP A 269 HIS A 277 1 9 HELIX 8 AA8 HIS A 277 ALA A 282 1 6 HELIX 9 AA9 GLU A 283 LEU A 298 1 16 HELIX 10 AB1 SER A 301 PHE A 314 1 14 HELIX 11 AB2 GLY A 331 SER A 336 1 6 HELIX 12 AB3 SER A 337 LEU A 345 1 9 HELIX 13 AB4 ASP A 355 CYS A 360 1 6 HELIX 14 AB5 SER A 378 ILE A 393 1 16 SHEET 1 AA1 2 SER A 228 PRO A 231 0 SHEET 2 AA1 2 VAL A 249 CYS A 252 1 O CYS A 252 N ARG A 230 SHEET 1 AA2 4 GLN A 326 VAL A 329 0 SHEET 2 AA2 4 LEU A 320 GLN A 323 -1 N CYS A 321 O ARG A 328 SHEET 3 AA2 4 TYR A 373 SER A 376 1 O SER A 376 N LEU A 320 SHEET 4 AA2 4 VAL A 351 PRO A 353 1 N LYS A 352 O VAL A 375 LINK NE2 HIS A 272 FE FE A 502 1555 1555 2.08 LINK NE2 HIS A 277 FE FE A 502 1555 1555 2.08 LINK OE1 GLU A 317 FE FE A 502 1555 1555 2.15 LINK OE2 GLU A 317 FE FE A 502 1555 1555 2.24 LINK NAT IVZ A 501 FE FE A 502 1555 1555 2.13 LINK FE FE A 502 O HOH A 629 1555 1555 2.12 CRYST1 47.411 57.899 59.387 90.00 98.13 90.00 P 1 21 1 2 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 0.021092 0.000000 0.003012 0.00000 SCALE2 0.000000 0.017271 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017010 0.00000