HEADER OXIDOREDUCTASE 16-MAR-09 3GN1 TITLE STRUCTURE OF PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN TITLE 2 TERNARY COMPLEX WITH COFACTOR (NADP+) AND INHIBITOR (DDD00067116) COMPND MOL_ID: 1; COMPND 2 MOLECULE: PTERIDINE REDUCTASE; COMPND 3 CHAIN: A, B, C, D; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRYPANOSOMA BRUCEI BRUCEI; SOURCE 3 ORGANISM_TAXID: 5702; SOURCE 4 GENE: PTR1; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET15B KEYWDS PTERIDINE REDUCTASE, PTR1, TRYPANOSOMA BRUCEI, SHORT CHAIN KEYWDS 2 DEHYDROGENASE, INHIBITOR, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR L.B.TULLOCH,R.BRENK,W.N.HUNTER REVDAT 3 07-SEP-11 3GN1 1 JRNL REVDAT 2 13-JUL-11 3GN1 1 VERSN REVDAT 1 29-DEC-09 3GN1 0 JRNL AUTH C.P.MPAMHANGA,D.SPINKS,L.B.TULLOCH,E.J.SHANKS,D.A.ROBINSON, JRNL AUTH 2 I.T.COLLIE,A.H.FAIRLAMB,P.G.WYATT,J.A.FREARSON,W.N.HUNTER, JRNL AUTH 3 I.H.GILBERT,R.BRENK JRNL TITL ONE SCAFFOLD, THREE BINDING MODES: NOVEL AND SELECTIVE JRNL TITL 2 PTERIDINE REDUCTASE 1 INHIBITORS DERIVED FROM FRAGMENT HITS JRNL TITL 3 DISCOVERED BY VIRTUAL SCREENING. JRNL REF J.MED.CHEM. V. 52 4454 2009 JRNL REFN ISSN 0022-2623 JRNL PMID 19527033 JRNL DOI 10.1021/JM900414X REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.66 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 94.5 REMARK 3 NUMBER OF REFLECTIONS : 63194 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.158 REMARK 3 R VALUE (WORKING SET) : 0.155 REMARK 3 FREE R VALUE : 0.216 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 3203 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : 4065 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 86.11 REMARK 3 BIN R VALUE (WORKING SET) : 0.1920 REMARK 3 BIN FREE R VALUE SET COUNT : 189 REMARK 3 BIN FREE R VALUE : 0.2770 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 7417 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 230 REMARK 3 SOLVENT ATOMS : 896 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.03 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.03000 REMARK 3 B22 (A**2) : 1.52000 REMARK 3 B33 (A**2) : -1.19000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.81000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.124 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 8.616 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.957 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.920 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 7882 ; 0.014 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 10766 ; 1.474 ; 2.000 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 1019 ; 6.049 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 306 ;35.715 ;24.379 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 1258 ;14.362 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 48 ;19.617 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 1281 ; 0.091 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 5834 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 4247 ; 0.197 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 5443 ; 0.296 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 884 ; 0.179 ; 0.200 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): 62 ; 0.270 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 22 ; 0.221 ; 0.200 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): 5156 ; 2.332 ; 4.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 8043 ; 3.150 ; 6.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 3088 ; 4.744 ; 8.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 2706 ; 5.911 ;10.000 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL 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 : 4 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 2 A 268 REMARK 3 ORIGIN FOR THE GROUP (A): 11.4942 -1.6421 9.4546 REMARK 3 T TENSOR REMARK 3 T11: -0.0320 T22: -0.0065 REMARK 3 T33: -0.0320 T12: 0.0205 REMARK 3 T13: 0.0079 T23: -0.0032 REMARK 3 L TENSOR REMARK 3 L11: 0.4099 L22: 0.4917 REMARK 3 L33: 0.5961 L12: -0.0139 REMARK 3 L13: 0.1840 L23: -0.0755 REMARK 3 S TENSOR REMARK 3 S11: -0.0110 S12: 0.0873 S13: -0.0191 REMARK 3 S21: -0.0256 S22: -0.0190 S23: -0.0360 REMARK 3 S31: 0.0563 S32: 0.1690 S33: 0.0300 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 2 B 268 REMARK 3 ORIGIN FOR THE GROUP (A): -17.5319 6.2459 -1.4036 REMARK 3 T TENSOR REMARK 3 T11: -0.0288 T22: -0.0402 REMARK 3 T33: -0.0362 T12: 0.0017 REMARK 3 T13: -0.0091 T23: 0.0032 REMARK 3 L TENSOR REMARK 3 L11: 0.5207 L22: 0.3452 REMARK 3 L33: 0.7554 L12: -0.1364 REMARK 3 L13: 0.0242 L23: 0.0927 REMARK 3 S TENSOR REMARK 3 S11: -0.0217 S12: 0.0807 S13: -0.0174 REMARK 3 S21: -0.0048 S22: -0.0219 S23: 0.0167 REMARK 3 S31: -0.0177 S32: -0.0457 S33: 0.0436 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : C 2 C 268 REMARK 3 ORIGIN FOR THE GROUP (A): 1.1678 7.9892 37.9548 REMARK 3 T TENSOR REMARK 3 T11: -0.0162 T22: -0.0309 REMARK 3 T33: -0.0389 T12: 0.0078 REMARK 3 T13: -0.0142 T23: -0.0106 REMARK 3 L TENSOR REMARK 3 L11: 0.8358 L22: 0.4454 REMARK 3 L33: 0.5028 L12: 0.0396 REMARK 3 L13: 0.0721 L23: -0.0254 REMARK 3 S TENSOR REMARK 3 S11: -0.0292 S12: -0.1109 S13: 0.0599 REMARK 3 S21: 0.0171 S22: 0.0169 S23: -0.0096 REMARK 3 S31: -0.0102 S32: 0.0479 S33: 0.0123 REMARK 3 REMARK 3 TLS GROUP : 4 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : D 2 D 268 REMARK 3 ORIGIN FOR THE GROUP (A): -28.0640 -0.5670 27.7223 REMARK 3 T TENSOR REMARK 3 T11: -0.0286 T22: -0.0256 REMARK 3 T33: -0.0276 T12: -0.0125 REMARK 3 T13: 0.0115 T23: -0.0048 REMARK 3 L TENSOR REMARK 3 L11: 0.6830 L22: 0.4164 REMARK 3 L33: 0.6643 L12: -0.1252 REMARK 3 L13: 0.0107 L23: 0.0021 REMARK 3 S TENSOR REMARK 3 S11: -0.0424 S12: -0.0350 S13: -0.0466 REMARK 3 S21: 0.0515 S22: 0.0199 S23: 0.0319 REMARK 3 S31: 0.0482 S32: -0.1313 S33: 0.0225 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : NULL REMARK 3 ION PROBE RADIUS : NULL REMARK 3 SHRINKAGE RADIUS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 ALL OF THE 17 RELATED STRUCTURES ARE EXPRESSED FROM THE REMARK 3 SAME DNA CONSTRUCT, WHICH ENCODES CYS AT POSITIONS 59 REMARK 3 AND 168. CRYSTALS HARVESTED WITHIN A COUPLE OF DAYS OF REMARK 3 FORMATION CONTAIN CYS AT POSITIONS 59 AND 168. HOWEVER REMARK 3 THESE TWO RESIDUES APPEAR QUITE REACTIVE AND OVER TIME REMARK 3 BECOME OXIDISED TO CSX, AS DETERMINED BY THE EMERGENCE REMARK 3 IN OLDER CRYSTALS OF ELECTRON DENSITY FOR THE OD ATOM. REMARK 3 SOMETIMES CYS168 REACTS WITH DTT IN THE CRYSTALLISATION REMARK 3 BUFFER, COVALENTLY LINKING THE TWO MOLECULES BY AN S-S BOND. REMARK 4 REMARK 4 3GN1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-APR-09. REMARK 100 THE RCSB ID CODE IS RCSB052064. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 4.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU MICROMAX-007 HF 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 : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 63246 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 30.660 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.8 REMARK 200 DATA REDUNDANCY : 5.400 REMARK 200 R MERGE (I) : 0.05100 REMARK 200 R SYM (I) : 0.05100 REMARK 200 FOR THE DATA SET : 9.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.9 REMARK 200 DATA REDUNDANCY IN SHELL : 5.30 REMARK 200 R MERGE FOR SHELL (I) : 0.13600 REMARK 200 R SYM FOR SHELL (I) : 0.13600 REMARK 200 FOR SHELL : 5.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.89 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.05 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2-3M SODIUM ACETATE, 10-100MM SODIUM REMARK 280 CITRATE, PH 4.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K 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 45.20400 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 20010 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 32510 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -128.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C, B, 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 MET A -19 REMARK 465 GLY A -18 REMARK 465 SER A -17 REMARK 465 SER A -16 REMARK 465 HIS A -15 REMARK 465 HIS A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 SER A -9 REMARK 465 SER A -8 REMARK 465 GLY A -7 REMARK 465 LEU A -6 REMARK 465 VAL A -5 REMARK 465 PRO A -4 REMARK 465 ARG A -3 REMARK 465 GLY A -2 REMARK 465 SER A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 GLN A 104 REMARK 465 GLY A 105 REMARK 465 ASP A 106 REMARK 465 HIS A 107 REMARK 465 GLU A 108 REMARK 465 ASP A 109 REMARK 465 ASN A 110 REMARK 465 SER A 111 REMARK 465 ASN A 112 REMARK 465 LYS A 143 REMARK 465 GLY A 144 REMARK 465 THR A 145 REMARK 465 ASN A 146 REMARK 465 PRO A 147 REMARK 465 ASN A 148 REMARK 465 CYS A 149 REMARK 465 THR A 150 REMARK 465 SER A 151 REMARK 465 MET B -19 REMARK 465 GLY B -18 REMARK 465 SER B -17 REMARK 465 SER B -16 REMARK 465 HIS B -15 REMARK 465 HIS B -14 REMARK 465 HIS B -13 REMARK 465 HIS B -12 REMARK 465 HIS B -11 REMARK 465 HIS B -10 REMARK 465 SER B -9 REMARK 465 SER B -8 REMARK 465 GLY B -7 REMARK 465 LEU B -6 REMARK 465 VAL B -5 REMARK 465 PRO B -4 REMARK 465 ARG B -3 REMARK 465 GLY B -2 REMARK 465 SER B -1 REMARK 465 HIS B 0 REMARK 465 MET B 1 REMARK 465 GLN B 104 REMARK 465 GLY B 105 REMARK 465 ASP B 106 REMARK 465 HIS B 107 REMARK 465 GLU B 108 REMARK 465 ASP B 109 REMARK 465 ASN B 110 REMARK 465 SER B 111 REMARK 465 ASN B 112 REMARK 465 LYS B 143 REMARK 465 GLY B 144 REMARK 465 THR B 145 REMARK 465 ASN B 146 REMARK 465 PRO B 147 REMARK 465 ASN B 148 REMARK 465 CYS B 149 REMARK 465 THR B 150 REMARK 465 SER B 151 REMARK 465 SER B 152 REMARK 465 MET C -19 REMARK 465 GLY C -18 REMARK 465 SER C -17 REMARK 465 SER C -16 REMARK 465 HIS C -15 REMARK 465 HIS C -14 REMARK 465 HIS C -13 REMARK 465 HIS C -12 REMARK 465 HIS C -11 REMARK 465 HIS C -10 REMARK 465 SER C -9 REMARK 465 SER C -8 REMARK 465 GLY C -7 REMARK 465 LEU C -6 REMARK 465 VAL C -5 REMARK 465 PRO C -4 REMARK 465 ARG C -3 REMARK 465 GLY C -2 REMARK 465 SER C -1 REMARK 465 HIS C 0 REMARK 465 MET C 1 REMARK 465 GLN C 104 REMARK 465 GLY C 105 REMARK 465 ASP C 106 REMARK 465 HIS C 107 REMARK 465 GLU C 108 REMARK 465 ASP C 109 REMARK 465 ASN C 110 REMARK 465 SER C 111 REMARK 465 ASN C 112 REMARK 465 LYS C 143 REMARK 465 GLY C 144 REMARK 465 THR C 145 REMARK 465 ASN C 146 REMARK 465 PRO C 147 REMARK 465 ASN C 148 REMARK 465 CYS C 149 REMARK 465 THR C 150 REMARK 465 SER C 151 REMARK 465 SER C 152 REMARK 465 MET D -19 REMARK 465 GLY D -18 REMARK 465 SER D -17 REMARK 465 SER D -16 REMARK 465 HIS D -15 REMARK 465 HIS D -14 REMARK 465 HIS D -13 REMARK 465 HIS D -12 REMARK 465 HIS D -11 REMARK 465 HIS D -10 REMARK 465 SER D -9 REMARK 465 SER D -8 REMARK 465 GLY D -7 REMARK 465 LEU D -6 REMARK 465 VAL D -5 REMARK 465 PRO D -4 REMARK 465 ARG D -3 REMARK 465 GLY D -2 REMARK 465 SER D -1 REMARK 465 HIS D 0 REMARK 465 MET D 1 REMARK 465 GLY D 105 REMARK 465 ASP D 106 REMARK 465 HIS D 107 REMARK 465 GLU D 108 REMARK 465 ASP D 109 REMARK 465 ASN D 110 REMARK 465 SER D 111 REMARK 465 ASN D 112 REMARK 465 LYS D 143 REMARK 465 GLY D 144 REMARK 465 THR D 145 REMARK 465 ASN D 146 REMARK 465 PRO D 147 REMARK 465 ASN D 148 REMARK 465 CYS D 149 REMARK 465 THR D 150 REMARK 465 SER D 151 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 570 O HOH D 413 1.73 REMARK 500 OD1 ASP B 165 O HOH B 688 1.88 REMARK 500 O HOH D 512 O HOH D 593 1.97 REMARK 500 O HOH C 652 O HOH D 477 2.04 REMARK 500 OD1 ASP C 165 O HOH C 655 2.06 REMARK 500 O HOH D 384 O HOH D 578 2.06 REMARK 500 O HOH A 406 O HOH C 650 2.10 REMARK 500 O HOH C 471 O HOH C 646 2.18 REMARK 500 O HOH C 512 O HOH C 617 2.18 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 CB SER D 53 O HOH B 571 1556 2.11 REMARK 500 O HOH B 667 O HOH C 539 1454 2.12 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 ARG A 14 -130.35 56.95 REMARK 500 HIS A 35 -70.17 -112.91 REMARK 500 ALA A 128 -51.20 -142.26 REMARK 500 CYS A 160 -146.78 -105.08 REMARK 500 SER A 207 -135.61 -114.34 REMARK 500 ARG B 14 -133.89 55.62 REMARK 500 HIS B 35 -72.23 -104.38 REMARK 500 ALA B 128 -53.64 -139.69 REMARK 500 CYS B 160 -142.37 -100.03 REMARK 500 SER B 207 -148.78 -119.23 REMARK 500 LEU B 208 118.27 -39.60 REMARK 500 ARG C 14 -127.63 57.14 REMARK 500 HIS C 35 -70.62 -112.23 REMARK 500 SER C 37 58.63 -95.32 REMARK 500 ALA C 128 -53.13 -140.83 REMARK 500 CYS C 160 -146.51 -103.05 REMARK 500 SER C 207 -142.20 -114.73 REMARK 500 ARG D 14 -133.91 52.44 REMARK 500 ALA D 128 -51.49 -136.62 REMARK 500 CYS D 160 -151.53 -101.53 REMARK 500 SER D 207 -149.23 -125.43 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 463 DISTANCE = 5.54 ANGSTROMS REMARK 525 HOH B 628 DISTANCE = 5.26 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP A 269 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AX7 A 271 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 270 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP B 269 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP C 269 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AX7 C 271 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT C 270 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP D 269 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AX7 D 270 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3BMC RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH COFACTOR (NADP+) AND SUBSTRATE REMARK 900 (FOLATE) REMARK 900 RELATED ID: 3BMD RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND DX1 REMARK 900 RELATED ID: 3BME RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND DX2 REMARK 900 RELATED ID: 3BMF RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND DX3 REMARK 900 RELATED ID: 3BMG RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND DX4 REMARK 900 RELATED ID: 3BMH RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND DX6 REMARK 900 RELATED ID: 3GN2 RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND AX8 DBREF 3GN1 A 1 268 UNP O76290 O76290_TRYBB 1 268 DBREF 3GN1 B 1 268 UNP O76290 O76290_TRYBB 1 268 DBREF 3GN1 C 1 268 UNP O76290 O76290_TRYBB 1 268 DBREF 3GN1 D 1 268 UNP O76290 O76290_TRYBB 1 268 SEQADV 3GN1 MET A -19 UNP O76290 EXPRESSION TAG SEQADV 3GN1 GLY A -18 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER A -17 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER A -16 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS A -15 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS A -14 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS A -13 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS A -12 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS A -11 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS A -10 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER A -9 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER A -8 UNP O76290 EXPRESSION TAG SEQADV 3GN1 GLY A -7 UNP O76290 EXPRESSION TAG SEQADV 3GN1 LEU A -6 UNP O76290 EXPRESSION TAG SEQADV 3GN1 VAL A -5 UNP O76290 EXPRESSION TAG SEQADV 3GN1 PRO A -4 UNP O76290 EXPRESSION TAG SEQADV 3GN1 ARG A -3 UNP O76290 EXPRESSION TAG SEQADV 3GN1 GLY A -2 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER A -1 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS A 0 UNP O76290 EXPRESSION TAG SEQADV 3GN1 MET B -19 UNP O76290 EXPRESSION TAG SEQADV 3GN1 GLY B -18 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER B -17 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER B -16 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS B -15 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS B -14 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS B -13 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS B -12 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS B -11 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS B -10 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER B -9 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER B -8 UNP O76290 EXPRESSION TAG SEQADV 3GN1 GLY B -7 UNP O76290 EXPRESSION TAG SEQADV 3GN1 LEU B -6 UNP O76290 EXPRESSION TAG SEQADV 3GN1 VAL B -5 UNP O76290 EXPRESSION TAG SEQADV 3GN1 PRO B -4 UNP O76290 EXPRESSION TAG SEQADV 3GN1 ARG B -3 UNP O76290 EXPRESSION TAG SEQADV 3GN1 GLY B -2 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER B -1 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS B 0 UNP O76290 EXPRESSION TAG SEQADV 3GN1 MET C -19 UNP O76290 EXPRESSION TAG SEQADV 3GN1 GLY C -18 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER C -17 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER C -16 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS C -15 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS C -14 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS C -13 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS C -12 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS C -11 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS C -10 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER C -9 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER C -8 UNP O76290 EXPRESSION TAG SEQADV 3GN1 GLY C -7 UNP O76290 EXPRESSION TAG SEQADV 3GN1 LEU C -6 UNP O76290 EXPRESSION TAG SEQADV 3GN1 VAL C -5 UNP O76290 EXPRESSION TAG SEQADV 3GN1 PRO C -4 UNP O76290 EXPRESSION TAG SEQADV 3GN1 ARG C -3 UNP O76290 EXPRESSION TAG SEQADV 3GN1 GLY C -2 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER C -1 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS C 0 UNP O76290 EXPRESSION TAG SEQADV 3GN1 MET D -19 UNP O76290 EXPRESSION TAG SEQADV 3GN1 GLY D -18 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER D -17 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER D -16 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS D -15 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS D -14 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS D -13 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS D -12 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS D -11 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS D -10 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER D -9 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER D -8 UNP O76290 EXPRESSION TAG SEQADV 3GN1 GLY D -7 UNP O76290 EXPRESSION TAG SEQADV 3GN1 LEU D -6 UNP O76290 EXPRESSION TAG SEQADV 3GN1 VAL D -5 UNP O76290 EXPRESSION TAG SEQADV 3GN1 PRO D -4 UNP O76290 EXPRESSION TAG SEQADV 3GN1 ARG D -3 UNP O76290 EXPRESSION TAG SEQADV 3GN1 GLY D -2 UNP O76290 EXPRESSION TAG SEQADV 3GN1 SER D -1 UNP O76290 EXPRESSION TAG SEQADV 3GN1 HIS D 0 UNP O76290 EXPRESSION TAG SEQRES 1 A 288 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 A 288 LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA SEQRES 3 A 288 VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE SEQRES 4 A 288 ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE SEQRES 5 A 288 HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA SEQRES 6 A 288 ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL SEQRES 7 A 288 CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA SEQRES 8 A 288 SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE SEQRES 9 A 288 GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE SEQRES 10 A 288 TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN SEQRES 11 A 288 SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU SEQRES 12 A 288 ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET SEQRES 13 A 288 SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS SEQRES 14 A 288 THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA SEQRES 15 A 288 MET VAL ASP GLN PRO CSX MET ALA PHE SER LEU TYR ASN SEQRES 16 A 288 MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA SEQRES 17 A 288 ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY SEQRES 18 A 288 VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY SEQRES 19 A 288 GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU SEQRES 20 A 288 GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA SEQRES 21 A 288 VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR SEQRES 22 A 288 GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL SEQRES 23 A 288 HIS ALA SEQRES 1 B 288 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 B 288 LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA SEQRES 3 B 288 VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE SEQRES 4 B 288 ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE SEQRES 5 B 288 HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA SEQRES 6 B 288 ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL SEQRES 7 B 288 CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA SEQRES 8 B 288 SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE SEQRES 9 B 288 GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE SEQRES 10 B 288 TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN SEQRES 11 B 288 SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU SEQRES 12 B 288 ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET SEQRES 13 B 288 SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS SEQRES 14 B 288 THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA SEQRES 15 B 288 MET VAL ASP GLN PRO CSX MET ALA PHE SER LEU TYR ASN SEQRES 16 B 288 MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA SEQRES 17 B 288 ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY SEQRES 18 B 288 VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY SEQRES 19 B 288 GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU SEQRES 20 B 288 GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA SEQRES 21 B 288 VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR SEQRES 22 B 288 GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL SEQRES 23 B 288 HIS ALA SEQRES 1 C 288 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 C 288 LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA SEQRES 3 C 288 VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE SEQRES 4 C 288 ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE SEQRES 5 C 288 HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA SEQRES 6 C 288 ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL SEQRES 7 C 288 CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA SEQRES 8 C 288 SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE SEQRES 9 C 288 GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE SEQRES 10 C 288 TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN SEQRES 11 C 288 SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU SEQRES 12 C 288 ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET SEQRES 13 C 288 SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS SEQRES 14 C 288 THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA SEQRES 15 C 288 MET VAL ASP GLN PRO CSX MET ALA PHE SER LEU TYR ASN SEQRES 16 C 288 MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA SEQRES 17 C 288 ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY SEQRES 18 C 288 VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY SEQRES 19 C 288 GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU SEQRES 20 C 288 GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA SEQRES 21 C 288 VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR SEQRES 22 C 288 GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL SEQRES 23 C 288 HIS ALA SEQRES 1 D 288 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 D 288 LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA SEQRES 3 D 288 VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE SEQRES 4 D 288 ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE SEQRES 5 D 288 HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA SEQRES 6 D 288 ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL SEQRES 7 D 288 CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA SEQRES 8 D 288 SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE SEQRES 9 D 288 GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE SEQRES 10 D 288 TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN SEQRES 11 D 288 SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU SEQRES 12 D 288 ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET SEQRES 13 D 288 SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS SEQRES 14 D 288 THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA SEQRES 15 D 288 MET VAL ASP GLN PRO CSX MET ALA PHE SER LEU TYR ASN SEQRES 16 D 288 MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA SEQRES 17 D 288 ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY SEQRES 18 D 288 VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY SEQRES 19 D 288 GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU SEQRES 20 D 288 GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA SEQRES 21 D 288 VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR SEQRES 22 D 288 GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL SEQRES 23 D 288 HIS ALA MODRES 3GN1 CSX A 168 CYS S-OXY CYSTEINE MODRES 3GN1 CSX B 168 CYS S-OXY CYSTEINE MODRES 3GN1 CSX C 168 CYS S-OXY CYSTEINE MODRES 3GN1 CSX D 168 CYS S-OXY CYSTEINE HET CSX A 168 7 HET CSX B 168 7 HET CSX C 168 7 HET CSX D 168 7 HET NAP A 269 48 HET AX7 A 271 10 HET ACT A 270 4 HET NAP B 269 48 HET NAP C 269 48 HET AX7 C 271 10 HET ACT C 270 4 HET NAP D 269 48 HET AX7 D 270 10 HETNAM CSX S-OXY CYSTEINE HETNAM NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE HETNAM AX7 1H-BENZIMIDAZOL-2-AMINE HETNAM ACT ACETATE ION HETSYN NAP 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE FORMUL 1 CSX 4(C3 H7 N O3 S) FORMUL 5 NAP 4(C21 H28 N7 O17 P3) FORMUL 6 AX7 3(C7 H7 N3) FORMUL 7 ACT 2(C2 H3 O2 1-) FORMUL 14 HOH *896(H2 O) HELIX 1 1 LYS A 13 THR A 26 1 14 HELIX 2 2 SER A 37 ARG A 52 1 16 HELIX 3 3 VAL A 68 GLY A 85 1 18 HELIX 4 4 THR A 115 ALA A 128 1 14 HELIX 5 5 ALA A 128 GLN A 142 1 15 HELIX 6 6 PHE A 171 ALA A 193 1 23 HELIX 7 7 GLY A 214 ARG A 223 1 10 HELIX 8 8 SER A 233 SER A 246 1 14 HELIX 9 9 GLY A 247 GLN A 250 5 4 HELIX 10 10 GLY A 262 VAL A 266 5 5 HELIX 11 11 LYS B 13 GLY B 27 1 15 HELIX 12 12 SER B 37 ARG B 52 1 16 HELIX 13 13 VAL B 68 GLY B 85 1 18 HELIX 14 14 THR B 115 ALA B 128 1 14 HELIX 15 15 ALA B 128 ARG B 141 1 14 HELIX 16 16 PHE B 171 ALA B 193 1 23 HELIX 17 17 GLY B 214 ARG B 223 1 10 HELIX 18 18 SER B 233 SER B 246 1 14 HELIX 19 19 GLY B 247 GLN B 250 5 4 HELIX 20 20 GLY B 262 VAL B 266 5 5 HELIX 21 21 LYS C 13 GLY C 27 1 15 HELIX 22 22 SER C 37 ARG C 52 1 16 HELIX 23 23 VAL C 68 GLY C 85 1 18 HELIX 24 24 THR C 115 ALA C 128 1 14 HELIX 25 25 ALA C 128 ARG C 141 1 14 HELIX 26 26 PHE C 171 ALA C 193 1 23 HELIX 27 27 GLY C 214 ARG C 223 1 10 HELIX 28 28 SER C 233 SER C 246 1 14 HELIX 29 29 GLY C 247 GLN C 250 5 4 HELIX 30 30 GLY C 262 VAL C 266 5 5 HELIX 31 31 LYS D 13 GLY D 27 1 15 HELIX 32 32 SER D 37 ARG D 52 1 16 HELIX 33 33 VAL D 68 GLY D 85 1 18 HELIX 34 34 THR D 115 ALA D 128 1 14 HELIX 35 35 ALA D 128 GLN D 142 1 15 HELIX 36 36 PHE D 171 ALA D 193 1 23 HELIX 37 37 GLY D 214 VAL D 225 1 12 HELIX 38 38 SER D 233 SER D 246 1 14 HELIX 39 39 GLY D 247 GLN D 250 5 4 HELIX 40 40 GLY D 262 VAL D 266 5 5 SHEET 1 A 7 ALA A 56 GLN A 60 0 SHEET 2 A 7 ARG A 29 TYR A 34 1 N ILE A 32 O VAL A 57 SHEET 3 A 7 ALA A 5 VAL A 8 1 N ALA A 6 O ARG A 29 SHEET 4 A 7 VAL A 89 ASN A 92 1 O VAL A 91 N VAL A 7 SHEET 5 A 7 LEU A 154 LEU A 159 1 O LEU A 159 N ASN A 92 SHEET 6 A 7 ILE A 197 PRO A 204 1 O ASN A 200 N ASN A 158 SHEET 7 A 7 ILE A 256 VAL A 259 1 O ILE A 257 N ALA A 203 SHEET 1 B 7 ALA B 56 GLN B 60 0 SHEET 2 B 7 ARG B 29 TYR B 34 1 N ILE B 32 O VAL B 57 SHEET 3 B 7 ALA B 5 VAL B 8 1 N ALA B 6 O VAL B 31 SHEET 4 B 7 VAL B 89 ASN B 92 1 O VAL B 91 N VAL B 7 SHEET 5 B 7 LEU B 154 LEU B 159 1 O LEU B 159 N ASN B 92 SHEET 6 B 7 ILE B 197 PRO B 204 1 O ASN B 200 N ASN B 158 SHEET 7 B 7 ILE B 256 VAL B 259 1 O ILE B 257 N GLY B 201 SHEET 1 C 7 ALA C 56 GLN C 60 0 SHEET 2 C 7 ARG C 29 TYR C 34 1 N ILE C 32 O VAL C 57 SHEET 3 C 7 ALA C 5 VAL C 8 1 N ALA C 6 O VAL C 31 SHEET 4 C 7 VAL C 89 ASN C 92 1 O VAL C 91 N VAL C 7 SHEET 5 C 7 LEU C 154 LEU C 159 1 O LEU C 159 N ASN C 92 SHEET 6 C 7 ILE C 197 PRO C 204 1 O ASN C 200 N ASN C 158 SHEET 7 C 7 ILE C 256 VAL C 259 1 O ILE C 257 N ALA C 203 SHEET 1 D 7 ALA D 56 GLN D 60 0 SHEET 2 D 7 ARG D 29 TYR D 34 1 N ILE D 32 O VAL D 57 SHEET 3 D 7 ALA D 5 VAL D 8 1 N ALA D 6 O ARG D 29 SHEET 4 D 7 VAL D 89 ASN D 92 1 O VAL D 91 N VAL D 7 SHEET 5 D 7 LEU D 154 LEU D 159 1 O LEU D 159 N ASN D 92 SHEET 6 D 7 ILE D 197 PRO D 204 1 O ASN D 200 N ASN D 158 SHEET 7 D 7 ILE D 256 VAL D 259 1 O ILE D 257 N ALA D 203 LINK C PRO A 167 N CSX A 168 1555 1555 1.33 LINK C CSX A 168 N MET A 169 1555 1555 1.33 LINK C PRO B 167 N CSX B 168 1555 1555 1.34 LINK C CSX B 168 N MET B 169 1555 1555 1.33 LINK C PRO C 167 N CSX C 168 1555 1555 1.34 LINK C CSX C 168 N MET C 169 1555 1555 1.33 LINK C PRO D 167 N CSX D 168 1555 1555 1.33 LINK C CSX D 168 N MET D 169 1555 1555 1.32 SITE 1 AC1 34 ARG A 14 ILE A 15 TYR A 34 HIS A 35 SITE 2 AC1 34 ASN A 36 SER A 37 ALA A 61 ASP A 62 SITE 3 AC1 34 LEU A 63 THR A 64 ASN A 93 ALA A 94 SITE 4 AC1 34 SER A 95 THR A 126 LEU A 159 CYS A 160 SITE 5 AC1 34 ASP A 161 TYR A 174 LYS A 178 PRO A 204 SITE 6 AC1 34 GLY A 205 VAL A 206 SER A 207 LEU A 208 SITE 7 AC1 34 AX7 A 271 HOH A 293 HOH A 296 HOH A 315 SITE 8 AC1 34 HOH A 320 HOH A 329 HOH A 372 HOH A 384 SITE 9 AC1 34 HOH A 417 HOH A 471 SITE 1 AC2 5 PHE A 97 ASP A 161 TYR A 174 NAP A 269 SITE 2 AC2 5 HOH A 430 SITE 1 AC3 6 LYS A 13 ARG A 14 ARG A 17 HOH A 375 SITE 2 AC3 6 HOH A 385 HOH A 400 SITE 1 AC4 35 ARG B 14 ILE B 15 HIS B 33 TYR B 34 SITE 2 AC4 35 HIS B 35 ASN B 36 SER B 37 ALA B 61 SITE 3 AC4 35 ASP B 62 LEU B 63 THR B 64 ASN B 93 SITE 4 AC4 35 ALA B 94 SER B 95 THR B 126 LEU B 159 SITE 5 AC4 35 CYS B 160 ASP B 161 TYR B 174 LYS B 178 SITE 6 AC4 35 PRO B 204 GLY B 205 VAL B 206 SER B 207 SITE 7 AC4 35 LEU B 208 HOH B 490 HOH B 494 HOH B 498 SITE 8 AC4 35 HOH B 517 HOH B 522 HOH B 544 HOH B 556 SITE 9 AC4 35 HOH B 573 HOH B 584 HOH B 622 SITE 1 AC5 33 ARG C 14 ILE C 15 TYR C 34 HIS C 35 SITE 2 AC5 33 ASN C 36 SER C 37 ALA C 61 ASP C 62 SITE 3 AC5 33 LEU C 63 THR C 64 ASN C 93 ALA C 94 SITE 4 AC5 33 SER C 95 THR C 126 LEU C 159 CYS C 160 SITE 5 AC5 33 ASP C 161 TYR C 174 LYS C 178 PRO C 204 SITE 6 AC5 33 GLY C 205 VAL C 206 SER C 207 LEU C 208 SITE 7 AC5 33 AX7 C 271 HOH C 479 HOH C 480 HOH C 497 SITE 8 AC5 33 HOH C 570 HOH C 608 HOH C 613 HOH C 615 SITE 9 AC5 33 HOH C 675 SITE 1 AC6 6 PHE C 97 ASP C 161 TYR C 174 NAP C 269 SITE 2 AC6 6 HOH C 615 HOH C 676 SITE 1 AC7 6 TYR B 34 VAL B 58 HOH B 695 VAL C 57 SITE 2 AC7 6 VAL C 58 HOH C 463 SITE 1 AC8 35 ARG D 14 ILE D 15 HIS D 33 TYR D 34 SITE 2 AC8 35 HIS D 35 ASN D 36 SER D 37 ALA D 61 SITE 3 AC8 35 ASP D 62 LEU D 63 THR D 64 ASN D 93 SITE 4 AC8 35 ALA D 94 SER D 95 THR D 126 LEU D 159 SITE 5 AC8 35 CYS D 160 TYR D 174 LYS D 178 PRO D 204 SITE 6 AC8 35 GLY D 205 VAL D 206 SER D 207 LEU D 208 SITE 7 AC8 35 AX7 D 270 HOH D 387 HOH D 395 HOH D 423 SITE 8 AC8 35 HOH D 453 HOH D 514 HOH D 520 HOH D 527 SITE 9 AC8 35 HOH D 536 HOH D 553 HOH D 563 SITE 1 AC9 6 PHE D 97 ASP D 161 TYR D 174 NAP D 269 SITE 2 AC9 6 HOH D 514 HOH D 546 CRYST1 74.641 90.408 82.638 90.00 115.73 90.00 P 1 21 1 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 0.013397 0.000000 0.006456 0.00000 SCALE2 0.000000 0.011061 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013433 0.00000