HEADER LYASE/INHIBITOR 14-JUN-22 8DBB TITLE CRYSTAL STRUCTURE OF DDT WITH THE SELECTIVE INHIBITOR 2,5- TITLE 2 PYRIDINEDICARBOXYLIC ACID COMPND MOL_ID: 1; COMPND 2 MOLECULE: D-DOPACHROME DECARBOXYLASE; COMPND 3 CHAIN: A, B, C; COMPND 4 SYNONYM: D-DOPACHROME TAUTOMERASE,PHENYLPYRUVATE TAUTOMERASE II; COMPND 5 EC: 4.1.1.84; 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: DDT; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TRIMERIC, INHIBITOR, COMPLEX, ENZYME, LYASE-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR A.PARKINS,S.BANUMATHI,G.PANTOURIS REVDAT 3 25-OCT-23 8DBB 1 REMARK REVDAT 2 15-MAR-23 8DBB 1 JRNL REVDAT 1 08-MAR-23 8DBB 0 JRNL AUTH A.PARKINS,P.DAS,V.PRAHALADAN,V.M.RANGEL,L.XUE,B.SANKARAN, JRNL AUTH 2 V.BHANDARI,G.PANTOURIS JRNL TITL 2,5-PYRIDINEDICARBOXYLIC ACID IS A BIOACTIVE AND HIGHLY JRNL TITL 2 SELECTIVE INHIBITOR OF D-DOPACHROME TAUTOMERASE. JRNL REF STRUCTURE V. 31 355 2023 JRNL REFN ISSN 0969-2126 JRNL PMID 36805127 JRNL DOI 10.1016/J.STR.2023.01.008 REMARK 2 REMARK 2 RESOLUTION. 1.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0267 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.90 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 95.8 REMARK 3 NUMBER OF REFLECTIONS : 71400 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.123 REMARK 3 R VALUE (WORKING SET) : 0.121 REMARK 3 FREE R VALUE : 0.157 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 3715 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.33 REMARK 3 REFLECTION IN BIN (WORKING SET) : 5185 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.65 REMARK 3 BIN R VALUE (WORKING SET) : 0.1370 REMARK 3 BIN FREE R VALUE SET COUNT : 274 REMARK 3 BIN FREE R VALUE : 0.1750 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2620 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 49 REMARK 3 SOLVENT ATOMS : 505 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 9.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.044 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.044 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.974 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.963 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2739 ; 0.012 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 2619 ; 0.035 ; 0.017 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3725 ; 1.766 ; 1.658 REMARK 3 BOND ANGLES OTHERS (DEGREES): 6019 ; 2.696 ; 1.574 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 352 ; 6.396 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 123 ;29.062 ;21.382 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 429 ;10.708 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 19 ;17.255 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 373 ; 0.116 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3112 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 615 ; 0.014 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1405 ; 0.830 ; 0.716 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1404 ; 0.828 ; 0.716 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1752 ; 1.025 ; 1.086 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1753 ; 1.025 ; 1.086 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1334 ; 1.797 ; 0.950 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1332 ; 1.735 ; 0.943 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1971 ; 2.132 ; 1.350 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 3020 ; 2.731 ;11.106 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 2881 ; 2.070 ; 9.721 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 5358 ;11.914 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 8DBB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-JUN-22. REMARK 100 THE DEPOSITION ID IS D_1000266380. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-APR-22 REMARK 200 TEMPERATURE (KELVIN) : 80 REMARK 200 PH : 5.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.999995 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.7.4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 101870 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.130 REMARK 200 RESOLUTION RANGE LOW (A) : 41.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.4 REMARK 200 DATA REDUNDANCY : 6.300 REMARK 200 R MERGE (I) : 0.07500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.13 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.15 REMARK 200 COMPLETENESS FOR SHELL (%) : 32.5 REMARK 200 DATA REDUNDANCY IN SHELL : 2.70 REMARK 200 R MERGE FOR SHELL (I) : 0.35200 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: PDB ENTRY 1DPT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.89 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SODIUM CITRATE, PH 5.20, 0.2 M REMARK 280 AMMONIUM ACETATE, 24-30% PEG4000, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,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 -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 0.00000 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 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 462 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 466 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 470 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 468 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 471 LIES ON A SPECIAL POSITION. REMARK 375 HOH C 449 LIES ON A SPECIAL POSITION. REMARK 375 HOH C 451 LIES ON A SPECIAL POSITION. 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 0 REMARK 465 MET B 0 REMARK 465 MET C 0 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 LYS A 20 CG CD CE NZ REMARK 470 GLU A 82 CD OE1 OE2 REMARK 470 LYS A 86 CD CE NZ REMARK 470 LYS B 20 CD CE NZ REMARK 470 ARG B 36 CD NE CZ NH1 NH2 REMARK 470 LYS B 86 CG CD CE NZ REMARK 470 LYS C 20 CE NZ REMARK 470 ARG C 36 NE CZ NH1 NH2 REMARK 470 GLU C 82 CD OE1 OE2 REMARK 470 LYS C 86 CG CD CE NZ 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 B 112 -158.91 -135.16 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 469 DISTANCE = 5.92 ANGSTROMS REMARK 525 HOH A 470 DISTANCE = 6.11 ANGSTROMS REMARK 525 HOH A 471 DISTANCE = 6.63 ANGSTROMS REMARK 525 HOH A 472 DISTANCE = 6.71 ANGSTROMS REMARK 525 HOH A 473 DISTANCE = 7.69 ANGSTROMS REMARK 525 HOH B 472 DISTANCE = 6.01 ANGSTROMS REMARK 525 HOH B 473 DISTANCE = 6.25 ANGSTROMS REMARK 525 HOH B 474 DISTANCE = 6.54 ANGSTROMS REMARK 525 HOH C 458 DISTANCE = 6.08 ANGSTROMS DBREF 8DBB A 0 117 UNP P30046 DOPD_HUMAN 1 118 DBREF 8DBB B 0 117 UNP P30046 DOPD_HUMAN 1 118 DBREF 8DBB C 0 117 UNP P30046 DOPD_HUMAN 1 118 SEQRES 1 A 118 MET PRO PHE LEU GLU LEU ASP THR ASN LEU PRO ALA ASN SEQRES 2 A 118 ARG VAL PRO ALA GLY LEU GLU LYS ARG LEU CYS ALA ALA SEQRES 3 A 118 ALA ALA SER ILE LEU GLY LYS PRO ALA ASP ARG VAL ASN SEQRES 4 A 118 VAL THR VAL ARG PRO GLY LEU ALA MET ALA LEU SER GLY SEQRES 5 A 118 SER THR GLU PRO CYS ALA GLN LEU SER ILE SER SER ILE SEQRES 6 A 118 GLY VAL VAL GLY THR ALA GLU ASP ASN ARG SER HIS SER SEQRES 7 A 118 ALA HIS PHE PHE GLU PHE LEU THR LYS GLU LEU ALA LEU SEQRES 8 A 118 GLY GLN ASP ARG ILE LEU ILE ARG PHE PHE PRO LEU GLU SEQRES 9 A 118 SER TRP GLN ILE GLY LYS ILE GLY THR VAL MET THR PHE SEQRES 10 A 118 LEU SEQRES 1 B 118 MET PRO PHE LEU GLU LEU ASP THR ASN LEU PRO ALA ASN SEQRES 2 B 118 ARG VAL PRO ALA GLY LEU GLU LYS ARG LEU CYS ALA ALA SEQRES 3 B 118 ALA ALA SER ILE LEU GLY LYS PRO ALA ASP ARG VAL ASN SEQRES 4 B 118 VAL THR VAL ARG PRO GLY LEU ALA MET ALA LEU SER GLY SEQRES 5 B 118 SER THR GLU PRO CYS ALA GLN LEU SER ILE SER SER ILE SEQRES 6 B 118 GLY VAL VAL GLY THR ALA GLU ASP ASN ARG SER HIS SER SEQRES 7 B 118 ALA HIS PHE PHE GLU PHE LEU THR LYS GLU LEU ALA LEU SEQRES 8 B 118 GLY GLN ASP ARG ILE LEU ILE ARG PHE PHE PRO LEU GLU SEQRES 9 B 118 SER TRP GLN ILE GLY LYS ILE GLY THR VAL MET THR PHE SEQRES 10 B 118 LEU SEQRES 1 C 118 MET PRO PHE LEU GLU LEU ASP THR ASN LEU PRO ALA ASN SEQRES 2 C 118 ARG VAL PRO ALA GLY LEU GLU LYS ARG LEU CYS ALA ALA SEQRES 3 C 118 ALA ALA SER ILE LEU GLY LYS PRO ALA ASP ARG VAL ASN SEQRES 4 C 118 VAL THR VAL ARG PRO GLY LEU ALA MET ALA LEU SER GLY SEQRES 5 C 118 SER THR GLU PRO CYS ALA GLN LEU SER ILE SER SER ILE SEQRES 6 C 118 GLY VAL VAL GLY THR ALA GLU ASP ASN ARG SER HIS SER SEQRES 7 C 118 ALA HIS PHE PHE GLU PHE LEU THR LYS GLU LEU ALA LEU SEQRES 8 C 118 GLY GLN ASP ARG ILE LEU ILE ARG PHE PHE PRO LEU GLU SEQRES 9 C 118 SER TRP GLN ILE GLY LYS ILE GLY THR VAL MET THR PHE SEQRES 10 C 118 LEU HET R3K A 201 12 HET CIT A 202 13 HET R3K B 201 12 HET R3K C 201 12 HETNAM R3K PYRIDINE-2,5-DICARBOXYLIC ACID HETNAM CIT CITRIC ACID FORMUL 4 R3K 3(C7 H5 N O4) FORMUL 5 CIT C6 H8 O7 FORMUL 8 HOH *505(H2 O) HELIX 1 AA1 PRO A 10 VAL A 14 5 5 HELIX 2 AA2 GLY A 17 GLY A 31 1 15 HELIX 3 AA3 PRO A 33 VAL A 37 5 5 HELIX 4 AA4 THR A 69 ALA A 89 1 21 HELIX 5 AA5 GLY A 91 ASP A 93 5 3 HELIX 6 AA6 GLU A 103 GLN A 106 5 4 HELIX 7 AA7 THR A 115 LEU A 117 5 3 HELIX 8 AA8 PRO B 10 VAL B 14 5 5 HELIX 9 AA9 GLY B 17 GLY B 31 1 15 HELIX 10 AB1 PRO B 33 VAL B 37 5 5 HELIX 11 AB2 THR B 69 ALA B 89 1 21 HELIX 12 AB3 GLY B 91 ASP B 93 5 3 HELIX 13 AB4 GLU B 103 GLN B 106 5 4 HELIX 14 AB5 THR B 115 LEU B 117 5 3 HELIX 15 AB6 PRO C 10 VAL C 14 5 5 HELIX 16 AB7 GLY C 17 GLY C 31 1 15 HELIX 17 AB8 PRO C 33 VAL C 37 5 5 HELIX 18 AB9 THR C 69 ALA C 89 1 21 HELIX 19 AC1 GLY C 91 ASP C 93 5 3 HELIX 20 AC2 GLU C 103 GLN C 106 5 4 HELIX 21 AC3 THR C 115 LEU C 117 5 3 SHEET 1 AA1 4 ASN A 38 ARG A 42 0 SHEET 2 AA1 4 PHE A 2 THR A 7 1 N LEU A 5 O THR A 40 SHEET 3 AA1 4 ALA A 57 ILE A 64 -1 O SER A 62 N PHE A 2 SHEET 4 AA1 4 ILE A 95 LEU A 102 1 O PHE A 100 N ILE A 61 SHEET 1 AA2 2 GLY A 108 LYS A 109 0 SHEET 2 AA2 2 THR A 112 VAL A 113 -1 O THR A 112 N LYS A 109 SHEET 1 AA3 4 ASN B 38 ARG B 42 0 SHEET 2 AA3 4 PHE B 2 THR B 7 1 N LEU B 5 O THR B 40 SHEET 3 AA3 4 ALA B 57 SER B 63 -1 O SER B 62 N PHE B 2 SHEET 4 AA3 4 ILE B 95 PRO B 101 1 O PHE B 100 N ILE B 61 SHEET 1 AA4 2 GLY B 108 LYS B 109 0 SHEET 2 AA4 2 THR B 112 VAL B 113 -1 O THR B 112 N LYS B 109 SHEET 1 AA5 4 ASN C 38 ARG C 42 0 SHEET 2 AA5 4 PHE C 2 THR C 7 1 N LEU C 5 O THR C 40 SHEET 3 AA5 4 ALA C 57 SER C 63 -1 O SER C 62 N PHE C 2 SHEET 4 AA5 4 ILE C 95 PRO C 101 1 O PHE C 100 N ILE C 61 SHEET 1 AA6 2 GLY C 108 LYS C 109 0 SHEET 2 AA6 2 THR C 112 VAL C 113 -1 O THR C 112 N LYS C 109 CRYST1 83.721 83.721 40.633 90.00 90.00 120.00 P 3 9 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 0.011944 0.006896 0.000000 0.00000 SCALE2 0.000000 0.013792 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024611 0.00000