HEADER OXIDOREDUCTASE 13-DEC-07 3BMC TITLE STRUCTURE OF PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA BRUCEI IN TITLE 2 TERNARY COMPLEX WITH COFACTOR (NADP+) AND SUBSTRATE (FOLATE) COMPND MOL_ID: 1; COMPND 2 MOLECULE: PTERIDINE REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: PTERIDINE REDUCTASE; COMPND 7 CHAIN: B, C, D; 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, SUBSTRATE, FOLATE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR L.B.TULLOCH,W.N.HUNTER REVDAT 4 13-JUL-11 3BMC 1 VERSN REVDAT 3 26-JAN-10 3BMC 1 JRNL REVDAT 2 22-DEC-09 3BMC 1 JRNL REVDAT 1 16-DEC-08 3BMC 0 JRNL AUTH L.B.TULLOCH,V.P.MARTINI,J.IULEK,J.K.HUGGAN,J.H.LEE, JRNL AUTH 2 C.L.GIBSON,T.K.SMITH,C.J.SUCKLING,W.N.HUNTER JRNL TITL STRUCTURE-BASED DESIGN OF PTERIDINE REDUCTASE INHIBITORS JRNL TITL 2 TARGETING AFRICAN SLEEPING SICKNESS AND THE LEISHMANIASES. JRNL REF J.MED.CHEM. V. 53 221 2010 JRNL REFN ISSN 0022-2623 JRNL PMID 19916554 JRNL DOI 10.1021/JM901059X REMARK 2 REMARK 2 RESOLUTION. 2.60 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) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.67 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 79.5 REMARK 3 NUMBER OF REFLECTIONS : 23539 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) : 0.192 REMARK 3 R VALUE (WORKING SET) : 0.189 REMARK 3 FREE R VALUE : 0.244 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1224 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) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.67 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1485 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 71.84 REMARK 3 BIN R VALUE (WORKING SET) : 0.3160 REMARK 3 BIN FREE R VALUE SET COUNT : 74 REMARK 3 BIN FREE R VALUE : 0.3830 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 7405 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 320 REMARK 3 SOLVENT ATOMS : 253 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) : 30.71 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -4.56000 REMARK 3 B22 (A**2) : 7.48000 REMARK 3 B33 (A**2) : -5.34000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -2.83000 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): 0.421 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.249 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 23.250 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.944 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.910 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 8017 ; 0.009 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 10968 ; 1.460 ; 2.013 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 1032 ; 5.444 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 309 ;34.998 ;24.434 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 1272 ;17.034 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 48 ;18.618 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 1296 ; 0.097 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 5972 ; 0.004 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 4355 ; 0.207 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 5580 ; 0.303 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 446 ; 0.286 ; 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): 66 ; 0.366 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 11 ; 0.418 ; 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): 5182 ; 0.331 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 8097 ; 0.548 ; 3.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 3300 ; 0.920 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 2847 ; 1.239 ; 6.000 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 270 1 REMARK 3 1 B 2 B 270 1 REMARK 3 1 C 2 C 270 1 REMARK 3 1 D 2 D 270 1 REMARK 3 GROUP CHAIN COUNT RMS WEIGHT REMARK 3 TIGHT POSITIONAL 1 A (A): 1784 ; 0.050 ; 0.050 REMARK 3 TIGHT POSITIONAL 1 B (A): 1784 ; 0.050 ; 0.050 REMARK 3 TIGHT POSITIONAL 1 C (A): 1784 ; 0.040 ; 0.050 REMARK 3 TIGHT POSITIONAL 1 D (A): 1784 ; 0.040 ; 0.050 REMARK 3 TIGHT THERMAL 1 A (A**2): 1784 ; 0.070 ; 0.500 REMARK 3 TIGHT THERMAL 1 B (A**2): 1784 ; 0.070 ; 0.500 REMARK 3 TIGHT THERMAL 1 C (A**2): 1784 ; 0.070 ; 0.500 REMARK 3 TIGHT THERMAL 1 D (A**2): 1784 ; 0.070 ; 0.500 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): 11.5872 -2.0062 9.4266 REMARK 3 T TENSOR REMARK 3 T11: -0.0253 T22: -0.1117 REMARK 3 T33: -0.1092 T12: 0.0145 REMARK 3 T13: -0.0007 T23: -0.0133 REMARK 3 L TENSOR REMARK 3 L11: 2.1970 L22: 1.0242 REMARK 3 L33: 1.3182 L12: -0.1927 REMARK 3 L13: 0.4420 L23: 0.1210 REMARK 3 S TENSOR REMARK 3 S11: -0.0611 S12: 0.1579 S13: -0.0669 REMARK 3 S21: -0.0297 S22: 0.0012 S23: -0.0695 REMARK 3 S31: 0.1236 S32: 0.2838 S33: 0.0599 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): -17.6156 6.3910 -1.2581 REMARK 3 T TENSOR REMARK 3 T11: -0.0059 T22: -0.1795 REMARK 3 T33: -0.0799 T12: -0.0068 REMARK 3 T13: -0.0060 T23: 0.0306 REMARK 3 L TENSOR REMARK 3 L11: 2.4600 L22: 0.4733 REMARK 3 L33: 2.0573 L12: -0.1802 REMARK 3 L13: 0.2831 L23: 0.0025 REMARK 3 S TENSOR REMARK 3 S11: -0.0175 S12: 0.2653 S13: 0.0595 REMARK 3 S21: -0.0717 S22: -0.0446 S23: 0.0531 REMARK 3 S31: -0.0448 S32: -0.0542 S33: 0.0621 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): 1.7242 8.1866 37.4767 REMARK 3 T TENSOR REMARK 3 T11: 0.0193 T22: -0.1149 REMARK 3 T33: -0.0902 T12: 0.0163 REMARK 3 T13: -0.0342 T23: -0.0349 REMARK 3 L TENSOR REMARK 3 L11: 2.5519 L22: 0.4183 REMARK 3 L33: 2.0498 L12: 0.0013 REMARK 3 L13: 0.2553 L23: 0.3039 REMARK 3 S TENSOR REMARK 3 S11: 0.0269 S12: -0.2068 S13: 0.1443 REMARK 3 S21: 0.1535 S22: 0.0021 S23: -0.0764 REMARK 3 S31: -0.1411 S32: 0.1403 S33: -0.0290 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): -27.5808 -0.6008 27.5796 REMARK 3 T TENSOR REMARK 3 T11: 0.0045 T22: -0.0939 REMARK 3 T33: -0.0588 T12: -0.0183 REMARK 3 T13: 0.0375 T23: 0.0266 REMARK 3 L TENSOR REMARK 3 L11: 2.1060 L22: 0.5816 REMARK 3 L33: 1.5998 L12: -0.0552 REMARK 3 L13: 0.5524 L23: -0.0480 REMARK 3 S TENSOR REMARK 3 S11: -0.0720 S12: -0.2370 S13: -0.1464 REMARK 3 S21: 0.0655 S22: 0.0295 S23: 0.1254 REMARK 3 S31: 0.1197 S32: -0.2966 S33: 0.0425 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 3BMC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-DEC-07. REMARK 100 THE RCSB ID CODE IS RCSB045695. 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) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU MICROMAX-007 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS 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 : 23556 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 73.737 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 81.1 REMARK 200 DATA REDUNDANCY : 2.200 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : 0.06800 REMARK 200 FOR THE DATA SET : 9.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.74 REMARK 200 COMPLETENESS FOR SHELL (%) : 74.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.30 REMARK 200 R MERGE FOR SHELL (I) : 0.37700 REMARK 200 R SYM FOR SHELL (I) : 0.37700 REMARK 200 FOR SHELL : 2.000 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 (%): 37.93 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.98 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 44.29800 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: 23820 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 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 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 ND1 HIS C 179 O HOH C 336 1.90 REMARK 500 OD2 ASP B 219 O HOH B 299 2.00 REMARK 500 ND1 HIS A 179 O HOH C 336 2.01 REMARK 500 OE2 GLU D 75 O HOH D 310 2.06 REMARK 500 O THR D 64 O HOH D 332 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 OE2 GLU B 216 O HOH A 305 2555 1.98 REMARK 500 NH1 ARG B 82 O ARG C 82 1454 1.98 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 CYS B 59 CB CYS B 59 SG -0.126 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 17 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 ARG A 52 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG A 82 NE - CZ - NH1 ANGL. DEV. = -4.6 DEGREES REMARK 500 ARG A 82 NE - CZ - NH2 ANGL. DEV. = 4.2 DEGREES REMARK 500 ARG A 223 CD - NE - CZ ANGL. DEV. = 9.6 DEGREES REMARK 500 ARG A 223 NE - CZ - NH1 ANGL. DEV. = 7.3 DEGREES REMARK 500 ARG A 223 NE - CZ - NH2 ANGL. DEV. = -7.4 DEGREES REMARK 500 ARG B 17 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG B 52 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG B 82 CD - NE - CZ ANGL. DEV. = 8.7 DEGREES REMARK 500 ARG B 82 NE - CZ - NH1 ANGL. DEV. = 7.3 DEGREES REMARK 500 ARG B 82 NE - CZ - NH2 ANGL. DEV. = -6.2 DEGREES REMARK 500 LEU B 159 CA - CB - CG ANGL. DEV. = -15.1 DEGREES REMARK 500 LEU B 190 CA - CB - CG ANGL. DEV. = 16.9 DEGREES REMARK 500 ARG C 17 CD - NE - CZ ANGL. DEV. = 11.3 DEGREES REMARK 500 ARG C 17 NE - CZ - NH1 ANGL. DEV. = -6.8 DEGREES REMARK 500 ARG C 17 NE - CZ - NH2 ANGL. DEV. = 8.0 DEGREES REMARK 500 ARG C 82 NE - CZ - NH1 ANGL. DEV. = -4.8 DEGREES REMARK 500 ARG C 82 NE - CZ - NH2 ANGL. DEV. = 4.4 DEGREES REMARK 500 ARG D 17 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG D 52 CD - NE - CZ ANGL. DEV. = 10.8 DEGREES REMARK 500 ARG D 52 NE - CZ - NH1 ANGL. DEV. = -8.6 DEGREES REMARK 500 ARG D 52 NE - CZ - NH2 ANGL. DEV. = 7.3 DEGREES REMARK 500 ARG D 82 NE - CZ - NH1 ANGL. DEV. = 6.1 DEGREES REMARK 500 ARG D 82 NE - CZ - NH2 ANGL. DEV. = -6.7 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 ARG A 14 -128.73 45.39 REMARK 500 HIS A 35 -67.60 -122.81 REMARK 500 SER A 37 59.78 -91.76 REMARK 500 ALA A 128 -55.59 -139.34 REMARK 500 CYS A 160 -148.60 -105.75 REMARK 500 PHE A 171 45.57 -107.64 REMARK 500 SER A 207 -142.53 -112.35 REMARK 500 ARG B 14 -130.10 48.53 REMARK 500 ALA B 128 -58.25 -138.81 REMARK 500 CYS B 160 -151.57 -103.48 REMARK 500 PHE B 171 46.56 -105.54 REMARK 500 SER B 207 -143.69 -115.09 REMARK 500 ARG C 14 -129.20 48.87 REMARK 500 HIS C 35 -66.63 -122.13 REMARK 500 SER C 66 -169.24 -168.95 REMARK 500 ALA C 128 -58.80 -138.97 REMARK 500 CYS C 160 -152.11 -101.24 REMARK 500 PHE C 171 46.07 -105.61 REMARK 500 SER C 207 -141.48 -112.68 REMARK 500 ARG D 14 -130.63 48.84 REMARK 500 HIS D 35 -66.49 -122.68 REMARK 500 ALA D 128 -57.85 -137.71 REMARK 500 CYS D 160 -152.72 -102.97 REMARK 500 PHE D 171 47.19 -107.03 REMARK 500 SER D 207 -145.34 -112.96 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 NAP A 269 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FOL A 270 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP B 269 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FOL B 270 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 FOL C 270 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP D 269 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FOL 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: 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: 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 3BMC A 1 268 UNP O76290 O76290_TRYBB 1 268 DBREF 3BMC B 1 268 UNP O76290 O76290_TRYBB 1 268 DBREF 3BMC C 1 268 UNP O76290 O76290_TRYBB 1 268 DBREF 3BMC D 1 268 UNP O76290 O76290_TRYBB 1 268 SEQADV 3BMC MET A -19 UNP O76290 EXPRESSION TAG SEQADV 3BMC GLY A -18 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER A -17 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER A -16 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS A -15 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS A -14 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS A -13 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS A -12 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS A -11 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS A -10 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER A -9 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER A -8 UNP O76290 EXPRESSION TAG SEQADV 3BMC GLY A -7 UNP O76290 EXPRESSION TAG SEQADV 3BMC LEU A -6 UNP O76290 EXPRESSION TAG SEQADV 3BMC VAL A -5 UNP O76290 EXPRESSION TAG SEQADV 3BMC PRO A -4 UNP O76290 EXPRESSION TAG SEQADV 3BMC ARG A -3 UNP O76290 EXPRESSION TAG SEQADV 3BMC GLY A -2 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER A -1 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS A 0 UNP O76290 EXPRESSION TAG SEQADV 3BMC MET B -19 UNP O76290 EXPRESSION TAG SEQADV 3BMC GLY B -18 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER B -17 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER B -16 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS B -15 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS B -14 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS B -13 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS B -12 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS B -11 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS B -10 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER B -9 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER B -8 UNP O76290 EXPRESSION TAG SEQADV 3BMC GLY B -7 UNP O76290 EXPRESSION TAG SEQADV 3BMC LEU B -6 UNP O76290 EXPRESSION TAG SEQADV 3BMC VAL B -5 UNP O76290 EXPRESSION TAG SEQADV 3BMC PRO B -4 UNP O76290 EXPRESSION TAG SEQADV 3BMC ARG B -3 UNP O76290 EXPRESSION TAG SEQADV 3BMC GLY B -2 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER B -1 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS B 0 UNP O76290 EXPRESSION TAG SEQADV 3BMC MET C -19 UNP O76290 EXPRESSION TAG SEQADV 3BMC GLY C -18 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER C -17 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER C -16 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS C -15 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS C -14 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS C -13 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS C -12 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS C -11 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS C -10 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER C -9 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER C -8 UNP O76290 EXPRESSION TAG SEQADV 3BMC GLY C -7 UNP O76290 EXPRESSION TAG SEQADV 3BMC LEU C -6 UNP O76290 EXPRESSION TAG SEQADV 3BMC VAL C -5 UNP O76290 EXPRESSION TAG SEQADV 3BMC PRO C -4 UNP O76290 EXPRESSION TAG SEQADV 3BMC ARG C -3 UNP O76290 EXPRESSION TAG SEQADV 3BMC GLY C -2 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER C -1 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS C 0 UNP O76290 EXPRESSION TAG SEQADV 3BMC MET D -19 UNP O76290 EXPRESSION TAG SEQADV 3BMC GLY D -18 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER D -17 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER D -16 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS D -15 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS D -14 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS D -13 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS D -12 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS D -11 UNP O76290 EXPRESSION TAG SEQADV 3BMC HIS D -10 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER D -9 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER D -8 UNP O76290 EXPRESSION TAG SEQADV 3BMC GLY D -7 UNP O76290 EXPRESSION TAG SEQADV 3BMC LEU D -6 UNP O76290 EXPRESSION TAG SEQADV 3BMC VAL D -5 UNP O76290 EXPRESSION TAG SEQADV 3BMC PRO D -4 UNP O76290 EXPRESSION TAG SEQADV 3BMC ARG D -3 UNP O76290 EXPRESSION TAG SEQADV 3BMC GLY D -2 UNP O76290 EXPRESSION TAG SEQADV 3BMC SER D -1 UNP O76290 EXPRESSION TAG SEQADV 3BMC 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 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 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 CYS 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 CYS 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 3BMC CSX A 168 CYS S-OXY CYSTEINE HET CSX A 168 7 HET NAP A 269 48 HET FOL A 270 32 HET NAP B 269 48 HET FOL B 270 32 HET NAP C 269 48 HET FOL C 270 32 HET NAP D 269 48 HET FOL D 270 32 HETNAM CSX S-OXY CYSTEINE HETNAM NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE HETNAM FOL FOLIC ACID HETSYN NAP 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE FORMUL 1 CSX C3 H7 N O3 S FORMUL 5 NAP 4(C21 H28 N7 O17 P3) FORMUL 6 FOL 4(C19 H19 N7 O6) FORMUL 13 HOH *253(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 GLY A 214 VAL A 225 1 12 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 GLN B 142 1 15 HELIX 16 16 PHE B 171 ALA B 193 1 23 HELIX 17 17 PRO B 194 GLY B 196 5 3 HELIX 18 18 GLY B 214 VAL B 225 1 12 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 ALA C 128 1 14 HELIX 26 26 ALA C 128 ARG C 141 1 14 HELIX 27 27 PHE C 171 ALA C 193 1 23 HELIX 28 28 GLY C 214 VAL C 225 1 12 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 VAL D 225 1 12 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 LEU A 154 LEU A 159 1 O VAL A 157 N LEU A 90 SHEET 6 A 7 ILE A 197 PRO A 204 1 O ARG A 198 N ILE A 156 SHEET 7 A 7 ILE A 256 VAL A 259 1 O ILE A 257 N GLY A 201 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 SER B 155 LEU B 159 1 O VAL B 157 N LEU B 90 SHEET 6 B 7 ARG B 198 PRO B 204 1 O ARG B 198 N ILE B 156 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 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 VAL C 157 N LEU C 90 SHEET 6 C 7 ILE C 197 PRO C 204 1 O ARG C 198 N ILE C 156 SHEET 7 C 7 ILE C 256 VAL C 259 1 O ILE C 257 N GLY C 201 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 VAL D 31 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 VAL D 157 N LEU D 90 SHEET 6 D 7 ILE D 197 PRO D 204 1 O ARG D 198 N ILE D 156 SHEET 7 D 7 ILE D 256 VAL D 259 1 O ILE D 257 N GLY D 201 LINK C PRO A 167 N CSX A 168 1555 1555 1.34 LINK C CSX A 168 N MET A 169 1555 1555 1.33 SITE 1 AC1 24 ARG A 14 ILE A 15 TYR A 34 HIS A 35 SITE 2 AC1 24 ASN A 36 SER A 37 ALA A 61 ASP A 62 SITE 3 AC1 24 LEU A 63 THR A 64 ASN A 93 ALA A 94 SITE 4 AC1 24 SER A 95 THR A 126 LEU A 159 CYS A 160 SITE 5 AC1 24 TYR A 174 LYS A 178 PRO A 204 GLY A 205 SITE 6 AC1 24 SER A 207 LEU A 208 HOH A 296 HOH A 332 SITE 1 AC2 9 ARG A 14 SER A 95 PHE A 97 PHE A 171 SITE 2 AC2 9 TYR A 174 PRO A 210 MET A 213 HOH A 304 SITE 3 AC2 9 HOH A 332 SITE 1 AC3 28 ARG B 14 ILE B 15 TYR B 34 HIS B 35 SITE 2 AC3 28 ASN B 36 SER B 37 ALA B 61 ASP B 62 SITE 3 AC3 28 LEU B 63 THR B 64 ASN B 93 ALA B 94 SITE 4 AC3 28 SER B 95 THR B 126 LEU B 159 CYS B 160 SITE 5 AC3 28 TYR B 174 LYS B 178 PRO B 204 GLY B 205 SITE 6 AC3 28 SER B 207 LEU B 208 HOH B 278 HOH B 284 SITE 7 AC3 28 HOH B 334 HOH B 338 HOH B 342 HOH B 344 SITE 1 AC4 11 ARG B 14 SER B 95 PHE B 97 CYS B 168 SITE 2 AC4 11 PHE B 171 TYR B 174 PRO B 210 MET B 213 SITE 3 AC4 11 GLU B 217 HOH B 324 HOH B 331 SITE 1 AC5 25 ARG C 14 ILE C 15 TYR C 34 HIS C 35 SITE 2 AC5 25 ASN C 36 SER C 37 ALA C 61 ASP C 62 SITE 3 AC5 25 LEU C 63 THR C 64 ASN C 93 ALA C 94 SITE 4 AC5 25 SER C 95 THR C 126 LEU C 159 CYS C 160 SITE 5 AC5 25 TYR C 174 LYS C 178 PRO C 204 GLY C 205 SITE 6 AC5 25 SER C 207 LEU C 208 HOH C 319 HOH C 323 SITE 7 AC5 25 HOH C 335 SITE 1 AC6 9 ARG C 14 SER C 95 PHE C 97 CYS C 168 SITE 2 AC6 9 PHE C 171 TYR C 174 PRO C 210 MET C 213 SITE 3 AC6 9 GLU C 217 SITE 1 AC7 23 ARG D 14 ILE D 15 TYR D 34 HIS D 35 SITE 2 AC7 23 ASN D 36 SER D 37 ALA D 61 ASP D 62 SITE 3 AC7 23 LEU D 63 THR D 64 ASN D 93 ALA D 94 SITE 4 AC7 23 SER D 95 THR D 126 LEU D 159 CYS D 160 SITE 5 AC7 23 TYR D 174 LYS D 178 PRO D 204 GLY D 205 SITE 6 AC7 23 SER D 207 LEU D 208 HOH D 346 SITE 1 AC8 10 ARG D 14 SER D 95 PHE D 97 CYS D 168 SITE 2 AC8 10 PHE D 171 TYR D 174 PRO D 210 MET D 213 SITE 3 AC8 10 HOH D 301 HOH D 338 CRYST1 74.441 88.596 81.587 90.00 115.34 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 0.013434 0.000000 0.006362 0.00000 SCALE2 0.000000 0.011287 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013562 0.00000