HEADER OXIDOREDUCTASE 13-DEC-07 3BME OBSLTE 19-JAN-10 3BME 3JQ7 TITLE STRUCTURE OF PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA TITLE 2 BRUCEI IN TERNARY COMPLEX WITH COFACTOR (NADP+) AND TITLE 3 INHIBITOR (COMPOUND DX2) COMPND MOL_ID: 1; COMPND 2 MOLECULE: PTERIDINE REDUCTASE; COMPND 3 CHAIN: A, C, D; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: PTERIDINE REDUCTASE; COMPND 7 CHAIN: B; COMPND 8 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; SOURCE 10 MOL_ID: 2; SOURCE 11 ORGANISM_SCIENTIFIC: TRYPANOSOMA BRUCEI BRUCEI; SOURCE 12 ORGANISM_TAXID: 5702; SOURCE 13 GENE: PTR1; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 16 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 18 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,W.N.HUNTER REVDAT 2 19-JAN-10 3BME 1 OBSLTE REVDAT 1 16-DEC-08 3BME 0 JRNL AUTH L.B.TULLOCH,W.N.HUNTER JRNL TITL STRUCTURE OF PTERIDINE REDUCTASE 1 (PTR1) FROM JRNL TITL 2 TRYPANOSOMA BRUCEI IN TERNARY COMPLEX WITH COFACTOR JRNL TITL 3 (NADP+) AND INHIBITORS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.80 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 74.33 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 90587 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) : 0.154 REMARK 3 R VALUE (WORKING SET) : 0.152 REMARK 3 FREE R VALUE : 0.191 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4569 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) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.85 REMARK 3 REFLECTION IN BIN (WORKING SET) : 6357 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.94 REMARK 3 BIN R VALUE (WORKING SET) : 0.2470 REMARK 3 BIN FREE R VALUE SET COUNT : 321 REMARK 3 BIN FREE R VALUE : 0.2930 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 7451 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 291 REMARK 3 SOLVENT ATOMS : 611 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.46 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.97000 REMARK 3 B22 (A**2) : 2.31000 REMARK 3 B33 (A**2) : -1.03000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.79000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.111 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.109 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.080 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.023 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.973 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.960 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 7897 ; 0.014 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 10801 ; 1.463 ; 2.009 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 1022 ; 5.581 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 303 ;35.046 ;24.323 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 1244 ;14.111 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 48 ;17.728 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 1281 ; 0.091 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 5856 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 4182 ; 0.205 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 5511 ; 0.303 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 679 ; 0.175 ; 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): 49 ; 0.204 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 15 ; 0.367 ; 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): 5111 ; 2.373 ; 4.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 7999 ; 3.260 ; 6.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 3242 ; 4.685 ; 8.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 2777 ; 6.113 ;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 : 1 REMARK 3 REMARK 3 NCS GROUP NUMBER : 1 REMARK 3 CHAIN NAMES : A B C D REMARK 3 NUMBER OF COMPONENTS NCS GROUP : 1 REMARK 3 COMPONENT C SSSEQI TO C SSSEQI CODE REMARK 3 1 A 2 A 268 6 REMARK 3 1 B 2 B 268 6 REMARK 3 1 C 3 C 268 6 REMARK 3 1 D 2 D 268 6 REMARK 3 GROUP CHAIN COUNT RMS WEIGHT REMARK 3 LOOSE POSITIONAL 1 A (A): 1705 ; 0.300 ; 5.000 REMARK 3 LOOSE POSITIONAL 1 B (A): 1705 ; 0.330 ; 5.000 REMARK 3 LOOSE POSITIONAL 1 C (A): 1705 ; 0.350 ; 5.000 REMARK 3 LOOSE POSITIONAL 1 D (A): 1705 ; 0.280 ; 5.000 REMARK 3 LOOSE THERMAL 1 A (A**2): 1705 ; 2.570 ;10.000 REMARK 3 LOOSE THERMAL 1 B (A**2): 1705 ; 3.050 ;10.000 REMARK 3 LOOSE THERMAL 1 C (A**2): 1705 ; 4.360 ;10.000 REMARK 3 LOOSE THERMAL 1 D (A**2): 1705 ; 2.310 ;10.000 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): 11.5170 -1.4914 9.3680 REMARK 3 T TENSOR REMARK 3 T11: -0.0781 T22: -0.0523 REMARK 3 T33: -0.0407 T12: 0.0227 REMARK 3 T13: 0.0075 T23: -0.0034 REMARK 3 L TENSOR REMARK 3 L11: 1.2549 L22: 0.7442 REMARK 3 L33: 0.9178 L12: 0.0648 REMARK 3 L13: 0.1357 L23: 0.0135 REMARK 3 S TENSOR REMARK 3 S11: -0.0237 S12: 0.1285 S13: -0.0706 REMARK 3 S21: -0.0367 S22: 0.0236 S23: -0.0845 REMARK 3 S31: 0.0626 S32: 0.2596 S33: 0.0001 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): -17.4502 6.0892 -1.2986 REMARK 3 T TENSOR REMARK 3 T11: -0.0676 T22: -0.0714 REMARK 3 T33: -0.0713 T12: -0.0012 REMARK 3 T13: -0.0089 T23: -0.0009 REMARK 3 L TENSOR REMARK 3 L11: 1.2896 L22: 0.5771 REMARK 3 L33: 1.0041 L12: -0.0893 REMARK 3 L13: 0.1191 L23: 0.0215 REMARK 3 S TENSOR REMARK 3 S11: -0.0186 S12: 0.2287 S13: 0.0197 REMARK 3 S21: -0.0657 S22: -0.0233 S23: 0.0309 REMARK 3 S31: -0.0175 S32: -0.0838 S33: 0.0419 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 3 C 268 REMARK 3 ORIGIN FOR THE GROUP (A): 1.3951 7.1696 37.9886 REMARK 3 T TENSOR REMARK 3 T11: -0.0274 T22: 0.0382 REMARK 3 T33: -0.0535 T12: 0.0096 REMARK 3 T13: -0.0227 T23: -0.0213 REMARK 3 L TENSOR REMARK 3 L11: 1.1553 L22: 0.7395 REMARK 3 L33: 1.2425 L12: -0.0213 REMARK 3 L13: 0.1394 L23: -0.0274 REMARK 3 S TENSOR REMARK 3 S11: -0.0629 S12: -0.3424 S13: 0.0769 REMARK 3 S21: 0.1228 S22: 0.0274 S23: -0.0735 REMARK 3 S31: -0.0460 S32: 0.0912 S33: 0.0355 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): -27.6828 -0.4521 27.9431 REMARK 3 T TENSOR REMARK 3 T11: -0.0693 T22: 0.0229 REMARK 3 T33: -0.0384 T12: -0.0298 REMARK 3 T13: 0.0251 T23: 0.0204 REMARK 3 L TENSOR REMARK 3 L11: 1.3611 L22: 0.6950 REMARK 3 L33: 1.0644 L12: -0.2426 REMARK 3 L13: 0.1940 L23: 0.1186 REMARK 3 S TENSOR REMARK 3 S11: -0.0423 S12: -0.3232 S13: -0.1477 REMARK 3 S21: 0.0627 S22: 0.0273 S23: 0.0885 REMARK 3 S31: 0.1015 S32: -0.3007 S33: 0.0150 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 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 3BME COMPLIES WITH FORMAT V. 3.20, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-DEC-07. REMARK 100 THE RCSB ID CODE IS RCSB045697. 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 REMARK 200 PH : 4.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 90613 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 74.340 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 2.800 REMARK 200 R MERGE (I) : 0.03600 REMARK 200 R SYM (I) : 0.03600 REMARK 200 FOR THE DATA SET : 11.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.90 REMARK 200 R MERGE FOR SHELL (I) : 0.25000 REMARK 200 R SYM FOR SHELL (I) : 0.25000 REMARK 200 FOR SHELL : 3.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.45 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2-3M SODIUM ACETATE, 10-100MM REMARK 280 SODIUM CITRATE, PH 4.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 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 45.01450 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: 20530 ANGSTROM**2 REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, 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 GLY B 113 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 GLU C 2 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 VAL C 211 REMARK 465 ALA C 212 REMARK 465 MET C 213 REMARK 465 GLY C 214 REMARK 465 GLU C 215 REMARK 465 GLU C 216 REMARK 465 GLU C 217 REMARK 465 LYS C 218 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 GLN D 104 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 ND2 ASN B 175 O HOH B 587 1.93 REMARK 500 OD CSX D 59 O HOH D 385 1.99 REMARK 500 O HOH C 354 O HOH D 328 2.11 REMARK 500 OD2 ASP B 161 O2 DTT B 272 2.14 REMARK 500 O HOH B 464 O HOH B 558 2.14 REMARK 500 ND2 ASN D 175 O HOH D 347 2.15 REMARK 500 O HOH A 337 O HOH A 403 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 OXT ACT B 269 O HOH C 372 1454 1.80 REMARK 500 O HOH B 536 O HOH C 372 1454 1.99 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 -135.29 55.72 REMARK 500 HIS A 35 -77.05 -115.45 REMARK 500 ALA A 128 -53.09 -137.15 REMARK 500 CYS A 160 -144.38 -105.41 REMARK 500 SER A 207 -131.43 -119.48 REMARK 500 ARG B 14 -125.58 52.04 REMARK 500 HIS B 35 -73.09 -112.24 REMARK 500 ALA B 128 -53.59 -133.38 REMARK 500 CYS B 160 -143.70 -101.07 REMARK 500 PHE B 171 40.33 -109.49 REMARK 500 SER B 207 -139.13 -120.08 REMARK 500 ARG C 14 -124.66 53.72 REMARK 500 HIS C 35 -70.96 -107.82 REMARK 500 SER C 37 57.37 -90.90 REMARK 500 ALA C 128 -51.38 -136.92 REMARK 500 CYS C 160 -152.13 -96.46 REMARK 500 PHE C 171 40.69 -109.79 REMARK 500 SER C 207 -140.43 -108.11 REMARK 500 ARG D 14 -130.71 54.94 REMARK 500 HIS D 35 -73.03 -116.06 REMARK 500 ALA D 128 -56.80 -136.69 REMARK 500 CYS D 160 -143.33 -103.29 REMARK 500 SER D 207 -146.84 -122.93 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 269 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 269 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP A 270 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DX2 A 271 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP B 270 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DX2 B 271 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DTT B 272 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP C 269 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DX2 C 270 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP D 269 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DX2 D 270 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2C7V RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH COFACTOR AND THE ANTIFOLATE REMARK 900 METHOTREXATE REMARK 900 RELATED ID: 3BMD RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND DX1 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: 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: 3BMI RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND JU2 REMARK 900 RELATED ID: 3BMJ RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND DX7 REMARK 900 RELATED ID: 3BMK RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND DX8 REMARK 900 RELATED ID: 3BML RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND AX1 REMARK 900 RELATED ID: 3BMM RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND AX2 REMARK 900 RELATED ID: 3BMN RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND AX3 REMARK 900 RELATED ID: 3BMO RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND AX4 REMARK 900 RELATED ID: 3BMQ RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND AX5 REMARK 900 RELATED ID: 3BMR RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND AX6 REMARK 900 RELATED ID: 3BMS RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND AX7 REMARK 900 RELATED ID: 3BMT RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND AX8 DBREF 3BME A 1 268 UNP O76290 O76290_TRYBB 1 268 DBREF 3BME B 1 268 UNP O76290 O76290_TRYBB 1 268 DBREF 3BME C 1 268 UNP O76290 O76290_TRYBB 1 268 DBREF 3BME D 1 268 UNP O76290 O76290_TRYBB 1 268 SEQADV 3BME MET A -19 UNP O76290 EXPRESSION TAG SEQADV 3BME GLY A -18 UNP O76290 EXPRESSION TAG SEQADV 3BME SER A -17 UNP O76290 EXPRESSION TAG SEQADV 3BME SER A -16 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS A -15 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS A -14 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS A -13 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS A -12 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS A -11 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS A -10 UNP O76290 EXPRESSION TAG SEQADV 3BME SER A -9 UNP O76290 EXPRESSION TAG SEQADV 3BME SER A -8 UNP O76290 EXPRESSION TAG SEQADV 3BME GLY A -7 UNP O76290 EXPRESSION TAG SEQADV 3BME LEU A -6 UNP O76290 EXPRESSION TAG SEQADV 3BME VAL A -5 UNP O76290 EXPRESSION TAG SEQADV 3BME PRO A -4 UNP O76290 EXPRESSION TAG SEQADV 3BME ARG A -3 UNP O76290 EXPRESSION TAG SEQADV 3BME GLY A -2 UNP O76290 EXPRESSION TAG SEQADV 3BME SER A -1 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS A 0 UNP O76290 EXPRESSION TAG SEQADV 3BME MET B -19 UNP O76290 EXPRESSION TAG SEQADV 3BME GLY B -18 UNP O76290 EXPRESSION TAG SEQADV 3BME SER B -17 UNP O76290 EXPRESSION TAG SEQADV 3BME SER B -16 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS B -15 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS B -14 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS B -13 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS B -12 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS B -11 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS B -10 UNP O76290 EXPRESSION TAG SEQADV 3BME SER B -9 UNP O76290 EXPRESSION TAG SEQADV 3BME SER B -8 UNP O76290 EXPRESSION TAG SEQADV 3BME GLY B -7 UNP O76290 EXPRESSION TAG SEQADV 3BME LEU B -6 UNP O76290 EXPRESSION TAG SEQADV 3BME VAL B -5 UNP O76290 EXPRESSION TAG SEQADV 3BME PRO B -4 UNP O76290 EXPRESSION TAG SEQADV 3BME ARG B -3 UNP O76290 EXPRESSION TAG SEQADV 3BME GLY B -2 UNP O76290 EXPRESSION TAG SEQADV 3BME SER B -1 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS B 0 UNP O76290 EXPRESSION TAG SEQADV 3BME MET C -19 UNP O76290 EXPRESSION TAG SEQADV 3BME GLY C -18 UNP O76290 EXPRESSION TAG SEQADV 3BME SER C -17 UNP O76290 EXPRESSION TAG SEQADV 3BME SER C -16 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS C -15 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS C -14 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS C -13 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS C -12 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS C -11 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS C -10 UNP O76290 EXPRESSION TAG SEQADV 3BME SER C -9 UNP O76290 EXPRESSION TAG SEQADV 3BME SER C -8 UNP O76290 EXPRESSION TAG SEQADV 3BME GLY C -7 UNP O76290 EXPRESSION TAG SEQADV 3BME LEU C -6 UNP O76290 EXPRESSION TAG SEQADV 3BME VAL C -5 UNP O76290 EXPRESSION TAG SEQADV 3BME PRO C -4 UNP O76290 EXPRESSION TAG SEQADV 3BME ARG C -3 UNP O76290 EXPRESSION TAG SEQADV 3BME GLY C -2 UNP O76290 EXPRESSION TAG SEQADV 3BME SER C -1 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS C 0 UNP O76290 EXPRESSION TAG SEQADV 3BME MET D -19 UNP O76290 EXPRESSION TAG SEQADV 3BME GLY D -18 UNP O76290 EXPRESSION TAG SEQADV 3BME SER D -17 UNP O76290 EXPRESSION TAG SEQADV 3BME SER D -16 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS D -15 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS D -14 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS D -13 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS D -12 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS D -11 UNP O76290 EXPRESSION TAG SEQADV 3BME HIS D -10 UNP O76290 EXPRESSION TAG SEQADV 3BME SER D -9 UNP O76290 EXPRESSION TAG SEQADV 3BME SER D -8 UNP O76290 EXPRESSION TAG SEQADV 3BME GLY D -7 UNP O76290 EXPRESSION TAG SEQADV 3BME LEU D -6 UNP O76290 EXPRESSION TAG SEQADV 3BME VAL D -5 UNP O76290 EXPRESSION TAG SEQADV 3BME PRO D -4 UNP O76290 EXPRESSION TAG SEQADV 3BME ARG D -3 UNP O76290 EXPRESSION TAG SEQADV 3BME GLY D -2 UNP O76290 EXPRESSION TAG SEQADV 3BME SER D -1 UNP O76290 EXPRESSION TAG SEQADV 3BME 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 CSX 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 CSX 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 CYS 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 CSX 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 CSX 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 3BME CSX A 59 CYS S-OXY CYSTEINE MODRES 3BME CSX A 168 CYS S-OXY CYSTEINE MODRES 3BME CSX B 59 CYS S-OXY CYSTEINE MODRES 3BME CSX C 59 CYS S-OXY CYSTEINE MODRES 3BME CSX C 168 CYS S-OXY CYSTEINE MODRES 3BME CSX D 59 CYS S-OXY CYSTEINE MODRES 3BME CSX D 168 CYS S-OXY CYSTEINE HET CSX A 59 7 HET CSX A 168 7 HET CSX B 59 7 HET CSX C 59 7 HET CSX C 168 7 HET CSX D 59 7 HET CSX D 168 7 HET ACT A 269 4 HET ACT B 269 4 HET NAP A 270 48 HET DX2 A 271 19 HET NAP B 270 48 HET DX2 B 271 19 HET DTT B 272 15 HET NAP C 269 48 HET DX2 C 270 19 HET NAP D 269 48 HET DX2 D 270 19 HETNAM CSX S-OXY CYSTEINE HETNAM ACT ACETATE ION HETNAM NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE HETNAM DX2 6-PHENYLPTERIDINE-2,4,7-TRIAMINE HETNAM DTT 2,3-DIHYDROXY-1,4-DITHIOBUTANE HETSYN NAP 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE HETSYN DTT 1,4-DITHIOTHREITOL FORMUL 1 CSX 7(C3 H7 N O3 S) FORMUL 5 ACT 2(C2 H3 O2 1-) FORMUL 7 NAP 4(C21 H28 N7 O17 P3) FORMUL 8 DX2 4(C12 H11 N7) FORMUL 11 DTT C4 H10 O2 S2 FORMUL 16 HOH *611(H2 O) HELIX 1 1 LYS A 13 GLY A 27 1 15 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 PRO A 194 GLY A 196 5 3 HELIX 8 8 GLY A 214 ARG A 223 1 10 HELIX 9 9 SER A 233 SER A 246 1 14 HELIX 10 10 GLY A 247 GLN A 250 5 4 HELIX 11 11 GLY A 262 VAL A 266 5 5 HELIX 12 12 LYS B 13 GLY B 27 1 15 HELIX 13 13 SER B 37 ARG B 52 1 16 HELIX 14 14 VAL B 68 GLY B 85 1 18 HELIX 15 15 THR B 115 ALA B 128 1 14 HELIX 16 16 ALA B 128 ARG B 141 1 14 HELIX 17 17 PHE B 171 ALA B 193 1 23 HELIX 18 18 GLY B 214 ARG B 223 1 10 HELIX 19 19 SER B 233 SER B 246 1 14 HELIX 20 20 GLY B 247 GLN B 250 5 4 HELIX 21 21 GLY B 262 VAL B 266 5 5 HELIX 22 22 LYS C 13 GLY C 27 1 15 HELIX 23 23 SER C 37 ARG C 52 1 16 HELIX 24 24 VAL C 68 GLY C 85 1 18 HELIX 25 25 THR C 115 ILE C 124 1 10 HELIX 26 26 ALA C 128 GLN C 142 1 15 HELIX 27 27 PHE C 171 ALA C 193 1 23 HELIX 28 28 ASP C 219 VAL C 225 1 7 HELIX 29 29 SER C 233 SER C 246 1 14 HELIX 30 30 GLY C 247 GLN C 250 5 4 HELIX 31 31 GLY C 262 VAL C 266 5 5 HELIX 32 32 LYS D 13 GLY D 27 1 15 HELIX 33 33 SER D 37 ARG D 52 1 16 HELIX 34 34 VAL D 68 GLY D 85 1 18 HELIX 35 35 THR D 115 ALA D 128 1 14 HELIX 36 36 ALA D 128 GLN D 142 1 15 HELIX 37 37 PHE D 171 ALA D 193 1 23 HELIX 38 38 GLY D 214 ARG D 223 1 10 HELIX 39 39 SER D 233 SER D 246 1 14 HELIX 40 40 GLY D 247 GLN D 250 5 4 HELIX 41 41 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 SER A 155 LEU A 159 1 O LEU A 159 N ASN A 92 SHEET 6 A 7 ARG A 198 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 ARG B 29 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 ALA B 203 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 ARG C 29 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 GLY D 201 LINK C VAL A 58 N CSX A 59 1555 1555 1.33 LINK C CSX A 59 N GLN A 60 1555 1555 1.33 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 VAL B 58 N CSX B 59 1555 1555 1.33 LINK C CSX B 59 N GLN B 60 1555 1555 1.34 LINK C VAL C 58 N CSX C 59 1555 1555 1.33 LINK C CSX C 59 N GLN C 60 1555 1555 1.33 LINK C PRO C 167 N CSX C 168 1555 1555 1.33 LINK C CSX C 168 N MET C 169 1555 1555 1.33 LINK C VAL D 58 N CSX D 59 1555 1555 1.33 LINK C CSX D 59 N GLN D 60 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 1.33 SITE 1 AC1 3 TYR B 34 HOH C 372 HOH C 373 SITE 1 AC2 5 LYS A 13 ARG A 14 ARG A 17 HOH A 297 SITE 2 AC2 5 HOH A 400 SITE 1 AC3 34 LYS A 13 ARG A 14 ILE A 15 HIS A 33 SITE 2 AC3 34 TYR A 34 HIS A 35 ASN A 36 SER A 37 SITE 3 AC3 34 ALA A 61 ASP A 62 LEU A 63 THR A 64 SITE 4 AC3 34 ASN A 93 ALA A 94 SER A 95 THR A 126 SITE 5 AC3 34 LEU A 159 CYS A 160 TYR A 174 LYS A 178 SITE 6 AC3 34 PRO A 204 GLY A 205 SER A 207 LEU A 208 SITE 7 AC3 34 HOH A 284 HOH A 288 HOH A 334 HOH A 342 SITE 8 AC3 34 HOH A 357 HOH A 365 HOH A 397 HOH A 399 SITE 9 AC3 34 HOH A 437 HOH A 438 SITE 1 AC4 9 ARG A 14 SER A 95 PHE A 97 TYR A 174 SITE 2 AC4 9 LEU A 208 LEU A 209 PRO A 210 HOH A 365 SITE 3 AC4 9 HOH A 440 SITE 1 AC5 31 ARG B 14 ILE B 15 TYR B 34 HIS B 35 SITE 2 AC5 31 ASN B 36 SER B 37 ALA B 61 ASP B 62 SITE 3 AC5 31 LEU B 63 THR B 64 ASN B 93 ALA B 94 SITE 4 AC5 31 SER B 95 THR B 126 LEU B 159 CYS B 160 SITE 5 AC5 31 TYR B 174 LYS B 178 PRO B 204 GLY B 205 SITE 6 AC5 31 SER B 207 LEU B 208 HOH B 423 HOH B 428 SITE 7 AC5 31 HOH B 451 HOH B 466 HOH B 470 HOH B 489 SITE 8 AC5 31 HOH B 532 HOH B 533 HOH B 535 SITE 1 AC6 8 ARG B 14 SER B 95 PHE B 97 TYR B 174 SITE 2 AC6 8 LEU B 208 LEU B 209 PRO B 210 HOH B 499 SITE 1 AC7 8 PHE B 97 ASP B 161 MET B 163 CYS B 168 SITE 2 AC7 8 TYR B 174 GLY B 205 TRP B 221 HOH B 500 SITE 1 AC8 27 ARG C 14 ILE C 15 TYR C 34 HIS C 35 SITE 2 AC8 27 ASN C 36 SER C 37 ASP C 62 LEU C 63 SITE 3 AC8 27 THR C 64 ASN C 93 ALA C 94 SER C 95 SITE 4 AC8 27 THR C 126 LEU C 159 CYS C 160 ASP C 161 SITE 5 AC8 27 TYR C 174 LYS C 178 PRO C 204 GLY C 205 SITE 6 AC8 27 SER C 207 LEU C 208 HOH C 287 HOH C 290 SITE 7 AC8 27 HOH C 329 HOH C 356 HOH C 390 SITE 1 AC9 8 ARG C 14 SER C 95 PHE C 97 ASP C 161 SITE 2 AC9 8 TYR C 174 LEU C 208 LEU C 209 PRO C 210 SITE 1 BC1 29 ARG D 14 ILE D 15 TYR D 34 HIS D 35 SITE 2 BC1 29 ASN D 36 SER D 37 ALA D 61 ASP D 62 SITE 3 BC1 29 LEU D 63 THR D 64 ASN D 93 ALA D 94 SITE 4 BC1 29 SER D 95 THR D 126 LEU D 159 CYS D 160 SITE 5 BC1 29 TYR D 174 LYS D 178 PRO D 204 GLY D 205 SITE 6 BC1 29 SER D 207 LEU D 208 HOH D 279 HOH D 295 SITE 7 BC1 29 HOH D 302 HOH D 319 HOH D 325 HOH D 331 SITE 8 BC1 29 HOH D 338 SITE 1 BC2 8 ARG D 14 SER D 95 PHE D 97 TYR D 174 SITE 2 BC2 8 LEU D 208 LEU D 209 PRO D 210 MET D 213 CRYST1 74.538 90.029 82.359 90.00 115.49 90.00 P 1 21 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 0.013416 0.000000 0.006397 0.00000 SCALE2 0.000000 0.011108 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013452 0.00000