HEADER TRANSFERASE 17-JUN-05 2A14 TITLE CRYSTAL STRUCTURE OF HUMAN INDOLETHYLAMINE N-METHYLTRANSFERASE WITH TITLE 2 SAH COMPND MOL_ID: 1; COMPND 2 MOLECULE: INDOLETHYLAMINE N-METHYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 EC: 2.1.1.49; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET28 KEYWDS SGC, INMT, STRUCTURAL GENOMICS, STRUCTURAL GENOMICS CONSORTIUM, KEYWDS 2 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR A.DONG,H.WU,H.ZENG,P.LOPPNAU,M.SUNDSTROM,C.H.ARROWSMITH,A.M.EDWARDS, AUTHOR 2 A.BOCHKAREV,A.N.PLOTNIKOV,STRUCTURAL GENOMICS CONSORTIUM (SGC) REVDAT 3 23-AUG-23 2A14 1 REMARK REVDAT 2 24-FEB-09 2A14 1 VERSN REVDAT 1 28-JUN-05 2A14 0 JRNL AUTH H.WU,A.DONG,H.ZENG,P.LOPPNAU,M.SUNDSTROM,C.H.ARROWSMITH, JRNL AUTH 2 A.M.EDWARDS,A.BOCHKAREV,A.N.PLOTNIKOV JRNL TITL THE CRYSTAL STRUCTURE OF HUMAN INDOLETHYLAMINE JRNL TITL 2 N-METHYLTRANSFERASE IN COMPLEX WITH SAH. JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.20 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 87.1 REMARK 3 NUMBER OF REFLECTIONS : 31928 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) : 0.164 REMARK 3 R VALUE (WORKING SET) : 0.163 REMARK 3 FREE R VALUE : 0.197 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.000 REMARK 3 FREE R VALUE TEST SET COUNT : 661 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) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.74 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1077 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 40.76 REMARK 3 BIN R VALUE (WORKING SET) : 0.2390 REMARK 3 BIN FREE R VALUE SET COUNT : 26 REMARK 3 BIN FREE R VALUE : 0.4800 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1980 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 31 REMARK 3 SOLVENT ATOMS : 310 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.22 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.72000 REMARK 3 B22 (A**2) : -0.63000 REMARK 3 B33 (A**2) : -0.09000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.094 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.095 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.048 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.404 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.958 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.945 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2055 ; 0.010 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2790 ; 1.221 ; 1.998 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 256 ; 6.024 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 87 ;29.391 ;24.598 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 340 ;10.939 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 10 ;16.858 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 311 ; 0.077 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1547 ; 0.004 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1029 ; 0.191 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1417 ; 0.300 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 261 ; 0.112 ; 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): 32 ; 0.172 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 17 ; 0.119 ; 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): 1311 ; 0.668 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2056 ; 1.109 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 841 ; 1.834 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 734 ; 2.976 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL 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 : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2A14 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JUN-05. REMARK 100 THE DEPOSITION ID IS D_1000033360. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-JUN-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 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 FR-E REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : VERIMAX REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR (MSC/RIGAKU) REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32589 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 36.200 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 87.2 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : 0.04900 REMARK 200 R SYM (I) : 0.04900 REMARK 200 FOR THE DATA SET : 22.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.73 REMARK 200 COMPLETENESS FOR SHELL (%) : 39.8 REMARK 200 DATA REDUNDANCY IN SHELL : 5.20 REMARK 200 R MERGE FOR SHELL (I) : 0.11900 REMARK 200 R SYM FOR SHELL (I) : 0.11900 REMARK 200 FOR SHELL : 12.60 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: 1N7J REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.0 M AMMONIUM SULFATE, 0.2 M K/NA REMARK 280 TARTRATE, PH 5.6, VAPOR DIFFUSION, TEMPERATURE 300K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.05800 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.05800 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 43.20350 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 58.73050 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 43.20350 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 58.73050 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 33.05800 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 43.20350 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 58.73050 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 33.05800 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 43.20350 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 58.73050 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE REMARK 300 AUTHOR STATES THAT BIOLOGICAL UNIT FOR THE REMARK 300 PROTEIN IS NOT YET KNOWN REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A4194 LIES ON A SPECIAL POSITION. REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 1 REMARK 465 LYS A 2 REMARK 465 GLY A 3 REMARK 465 GLY A 4 REMARK 465 GLY A 262 REMARK 465 PRO A 263 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 ALA A 247 108.31 -163.85 REMARK 500 ASN A 250 72.05 -105.26 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 SO4 A 2003 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAH A 4001 DBREF 2A14 A 1 263 UNP O95050 INMT_HUMAN 1 263 SEQRES 1 A 263 MET LYS GLY GLY PHE THR GLY GLY ASP GLU TYR GLN LYS SEQRES 2 A 263 HIS PHE LEU PRO ARG ASP TYR LEU ALA THR TYR TYR SER SEQRES 3 A 263 PHE ASP GLY SER PRO SER PRO GLU ALA GLU MET LEU LYS SEQRES 4 A 263 PHE ASN LEU GLU CYS LEU HIS LYS THR PHE GLY PRO GLY SEQRES 5 A 263 GLY LEU GLN GLY ASP THR LEU ILE ASP ILE GLY SER GLY SEQRES 6 A 263 PRO THR ILE TYR GLN VAL LEU ALA ALA CYS ASP SER PHE SEQRES 7 A 263 GLN ASP ILE THR LEU SER ASP PHE THR ASP ARG ASN ARG SEQRES 8 A 263 GLU GLU LEU GLU LYS TRP LEU LYS LYS GLU PRO GLY ALA SEQRES 9 A 263 TYR ASP TRP THR PRO ALA VAL LYS PHE ALA CYS GLU LEU SEQRES 10 A 263 GLU GLY ASN SER GLY ARG TRP GLU GLU LYS GLU GLU LYS SEQRES 11 A 263 LEU ARG ALA ALA VAL LYS ARG VAL LEU LYS CYS ASP VAL SEQRES 12 A 263 HIS LEU GLY ASN PRO LEU ALA PRO ALA VAL LEU PRO LEU SEQRES 13 A 263 ALA ASP CYS VAL LEU THR LEU LEU ALA MET GLU CYS ALA SEQRES 14 A 263 CYS CYS SER LEU ASP ALA TYR ARG ALA ALA LEU CYS ASN SEQRES 15 A 263 LEU ALA SER LEU LEU LYS PRO GLY GLY HIS LEU VAL THR SEQRES 16 A 263 THR VAL THR LEU ARG LEU PRO SER TYR MET VAL GLY LYS SEQRES 17 A 263 ARG GLU PHE SER CYS VAL ALA LEU GLU LYS GLY GLU VAL SEQRES 18 A 263 GLU GLN ALA VAL LEU ASP ALA GLY PHE ASP ILE GLU GLN SEQRES 19 A 263 LEU LEU HIS SER PRO GLN SER TYR SER VAL THR ASN ALA SEQRES 20 A 263 ALA ASN ASN GLY VAL CYS CYS ILE VAL ALA ARG LYS LYS SEQRES 21 A 263 PRO GLY PRO HET SO4 A2003 5 HET SAH A4001 26 HETNAM SO4 SULFATE ION HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE FORMUL 2 SO4 O4 S 2- FORMUL 3 SAH C14 H20 N6 O5 S FORMUL 4 HOH *310(H2 O) HELIX 1 1 GLY A 7 PHE A 15 1 9 HELIX 2 2 LEU A 16 TYR A 25 1 10 HELIX 3 3 SER A 32 GLY A 50 1 19 HELIX 4 4 ILE A 68 LEU A 72 5 5 HELIX 5 5 ALA A 73 ASP A 76 5 4 HELIX 6 6 THR A 87 LYS A 100 1 14 HELIX 7 7 TRP A 107 GLU A 118 1 12 HELIX 8 8 GLY A 119 GLY A 122 5 4 HELIX 9 9 ARG A 123 ALA A 134 1 12 HELIX 10 10 ALA A 165 CYS A 170 1 6 HELIX 11 11 SER A 172 SER A 185 1 14 HELIX 12 12 GLU A 217 ALA A 228 1 12 SHEET 1 A 7 VAL A 135 LYS A 140 0 SHEET 2 A 7 PHE A 78 ASP A 85 1 N ILE A 81 O LYS A 136 SHEET 3 A 7 GLY A 56 ASP A 61 1 N ASP A 61 O THR A 82 SHEET 4 A 7 ALA A 157 LEU A 163 1 O LEU A 161 N ILE A 60 SHEET 5 A 7 LEU A 187 THR A 198 1 O VAL A 194 N VAL A 160 SHEET 6 A 7 VAL A 252 LYS A 259 -1 O ILE A 255 N THR A 195 SHEET 7 A 7 PHE A 230 SER A 238 -1 N LEU A 236 O CYS A 254 SHEET 1 B 2 SER A 203 VAL A 206 0 SHEET 2 B 2 ARG A 209 SER A 212 -1 O ARG A 209 N VAL A 206 CISPEP 1 ALA A 150 PRO A 151 0 5.60 SITE 1 AC1 7 ARG A 200 GLU A 217 LYS A 218 ASN A 250 SITE 2 AC1 7 ARG A 258 HOH A4093 HOH A4234 SITE 1 AC2 21 TYR A 20 TYR A 25 GLY A 63 SER A 64 SITE 2 AC2 21 GLY A 65 THR A 67 TYR A 69 ASP A 85 SITE 3 AC2 21 PHE A 86 THR A 87 ASN A 90 CYS A 141 SITE 4 AC2 21 ASP A 142 VAL A 143 HIS A 144 LEU A 163 SITE 5 AC2 21 LEU A 164 ALA A 165 ALA A 169 HOH A4050 SITE 6 AC2 21 HOH A4064 CRYST1 86.407 117.461 66.116 90.00 90.00 90.00 C 2 2 21 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 0.011573 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008513 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015125 0.00000