HEADER TRANSFERASE 20-DEC-17 6FCA TITLE CATALYTIC SUBUNIT HISG FROM PSYCHROBACTER ARCTICUS ATP TITLE 2 PHOSPHORIBOSYLTRANSFERASE (HISZG ATPPRT) IN COMPLEX WITH PRPP COMPND MOL_ID: 1; COMPND 2 MOLECULE: ATP PHOSPHORIBOSYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ATP-PRTASE; COMPND 5 EC: 2.4.2.17; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSYCHROBACTER ARCTICUS (STRAIN DSM 17307 / 273- SOURCE 3 4); SOURCE 4 ORGANISM_TAXID: 259536; SOURCE 5 STRAIN: DSM 17307 / 273-4; SOURCE 6 GENE: HISG, PSYC_1903; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_VARIANT: C43; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PJ431 KEYWDS PHOSPHORIBOSYLTRANSFERASE, HISG, CATALYTIC, COLD-ADAPTED, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR M.S.ALPHEY,Y.GE,G.FISHER,C.M.CZEKSTER,J.H.NAISMITH,R.G.DA SILVA REVDAT 3 17-JAN-24 6FCA 1 HETSYN REVDAT 2 29-JUL-20 6FCA 1 COMPND REMARK HETNAM SITE REVDAT 1 24-OCT-18 6FCA 0 JRNL AUTH M.S.ALPHEY,G.FISHER,J.S.HIRSCHI,R.STROEK,Y.GE,E.R.GOULD, JRNL AUTH 2 C.M.CZEKSTER,H.LIU,G.J.FLORENCE,M.J.VETTICATT,J.H.NAISMITH, JRNL AUTH 3 R.G.DA SILVA JRNL TITL CATALYTIC AND ANTICATALYTIC SNAPSHOTS OF A SHORT-FORM ATP JRNL TITL 2 PHOSPHORIBOSYLTRANSFERASE JRNL REF ACS CATALYSIS 2018 JRNL REFN ESSN 2155-5435 JRNL DOI 10.1021/ACSCATAL.8B00867 REMARK 2 REMARK 2 RESOLUTION. 2.09 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0189 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.09 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.61 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 11838 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) : 0.194 REMARK 3 R VALUE (WORKING SET) : 0.191 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 608 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) : 2.09 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.15 REMARK 3 REFLECTION IN BIN (WORKING SET) : 800 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.99 REMARK 3 BIN R VALUE (WORKING SET) : 0.2620 REMARK 3 BIN FREE R VALUE SET COUNT : 38 REMARK 3 BIN FREE R VALUE : 0.2950 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1607 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 22 REMARK 3 SOLVENT ATOMS : 108 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.75 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.02000 REMARK 3 B22 (A**2) : -1.57000 REMARK 3 B33 (A**2) : 2.41000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.33000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.243 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.191 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.156 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.135 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.941 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.915 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1653 ; 0.007 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 1612 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2246 ; 1.358 ; 2.008 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3725 ; 0.904 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 208 ; 6.256 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 68 ;36.655 ;23.824 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 289 ;13.246 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 13 ;13.684 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 269 ; 0.071 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1800 ; 0.005 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 313 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL 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 : NULL REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.00 REMARK 3 ION PROBE RADIUS : 0.70 REMARK 3 SHRINKAGE RADIUS : 0.70 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 6FCA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 20-DEC-17. REMARK 100 THE DEPOSITION ID IS D_1200008051. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-SEP-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 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 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5148 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RIGAKU SATURN 944+ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.5.32 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12446 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.090 REMARK 200 RESOLUTION RANGE LOW (A) : 24.610 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 3.900 REMARK 200 R MERGE (I) : 0.16400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 5.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.09 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.15 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.4 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.49200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 5M8H CHAIN E REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.75 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10MG/ML PROTEIN IN 20MM TRIS HCL REMARK 280 PH8.0, 50MM KCL, 10MM MGCL2, 2MM DTT MIXED 1:1 WITH 32% PEG 3350, REMARK 280 0.1M MOPS PH6.5, 0.1M K/NA TARTRATE, VAPOR DIFFUSION, REMARK 280 TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z+1/2 REMARK 290 4555 -X+1/2,Y+1/2,-Z+1/2 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 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 23.40861 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 16.95000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 43.80302 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 23.40861 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 16.95000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 43.80302 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3240 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19260 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -24.0 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 -70.57000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 GLY A 0 REMARK 465 MET A 1 REMARK 465 THR A 2 REMARK 465 GLU A 3 REMARK 465 VAL A 4 REMARK 465 THR A 5 REMARK 465 ASN A 6 REMARK 465 SER A 7 REMARK 465 LEU A 8 REMARK 465 PRO A 9 REMARK 465 THR A 10 REMARK 465 SER A 11 REMARK 465 GLY A 12 REMARK 465 LEU A 13 REMARK 465 LEU A 14 REMARK 465 ASN A 15 REMARK 465 GLU A 16 REMARK 465 ALA A 17 REMARK 465 ASN A 18 REMARK 465 ASP A 19 REMARK 465 GLU A 20 REMARK 465 THR A 230 REMARK 465 SER A 231 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 ASP A 179 -84.33 -113.83 REMARK 500 REMARK 500 REMARK: NULL DBREF 6FCA A 1 231 UNP Q4FQF7 HIS1_PSYA2 1 231 SEQADV 6FCA GLY A 0 UNP Q4FQF7 EXPRESSION TAG SEQRES 1 A 232 GLY MET THR GLU VAL THR ASN SER LEU PRO THR SER GLY SEQRES 2 A 232 LEU LEU ASN GLU ALA ASN ASP GLU PHE LEU GLY LEU THR SEQRES 3 A 232 LEU ALA LEU SER LYS GLY ARG ILE LEU GLU GLU THR MET SEQRES 4 A 232 PRO LEU LEU ARG ALA ALA GLY VAL GLU LEU LEU GLU ASP SEQRES 5 A 232 PRO GLU ALA SER ARG LYS LEU ILE PHE PRO THR SER ASN SEQRES 6 A 232 PRO ASN VAL ARG VAL LEU ILE LEU ARG ALA SER ASP VAL SEQRES 7 A 232 PRO THR TYR VAL GLU HIS GLY ALA ALA ASP PHE GLY VAL SEQRES 8 A 232 ALA GLY LYS ASP VAL LEU LEU GLU HIS GLY ALA ASN HIS SEQRES 9 A 232 VAL TYR GLU LEU LEU ASP LEU LYS ILE ALA GLN CYS LYS SEQRES 10 A 232 LEU MET THR ALA GLY VAL LYS ASP ALA PRO LEU PRO ASN SEQRES 11 A 232 ARG ARG LEU ARG ILE ALA THR LYS TYR VAL ASN VAL ALA SEQRES 12 A 232 ARG ALA TYR PHE ALA SER GLN GLY GLN GLN VAL ASP VAL SEQRES 13 A 232 ILE LYS LEU TYR GLY SER MET GLU LEU ALA PRO LEU VAL SEQRES 14 A 232 GLY LEU GLY ASP LEU ILE VAL ASP VAL VAL ASP THR GLY SEQRES 15 A 232 ASN THR LEU ARG ALA ASN GLY LEU GLU ALA ARG ASP HIS SEQRES 16 A 232 ILE CYS ASP VAL SER SER ARG LEU ILE VAL ASN GLN VAL SEQRES 17 A 232 SER TYR LYS ARG LYS PHE ALA LEU LEU GLU PRO ILE LEU SEQRES 18 A 232 ASP SER PHE LYS ASN SER ILE ASN SER THR SER HET PRP A 400 22 HETNAM PRP 1-O-PYROPHOSPHONO-5-O-PHOSPHONO-ALPHA-D-RIBOFURANOSE HETSYN PRP ALPHA-PHOSPHORIBOSYLPYROPHOSPHORIC ACID; 1-O- HETSYN 2 PRP PYROPHOSPHONO-5-O-PHOSPHONO-ALPHA-D-RIBOSE; 1-O- HETSYN 3 PRP PYROPHOSPHONO-5-O-PHOSPHONO-D-RIBOSE; 1-O- HETSYN 4 PRP PYROPHOSPHONO-5-O-PHOSPHONO-RIBOSE FORMUL 2 PRP C5 H13 O14 P3 FORMUL 3 HOH *108(H2 O) HELIX 1 AA1 GLY A 31 ALA A 44 1 14 HELIX 2 AA2 ASP A 51 SER A 55 5 5 HELIX 3 AA3 ARG A 73 SER A 75 5 3 HELIX 4 AA4 ASP A 76 HIS A 83 1 8 HELIX 5 AA5 LYS A 93 GLY A 100 1 8 HELIX 6 AA6 TYR A 138 GLN A 149 1 12 HELIX 7 AA7 GLU A 163 VAL A 168 1 6 HELIX 8 AA8 GLY A 181 ASN A 187 1 7 HELIX 9 AA9 GLN A 206 LYS A 212 1 7 HELIX 10 AB1 LYS A 212 SER A 229 1 18 SHEET 1 AA1 6 ILE A 59 PRO A 61 0 SHEET 2 AA1 6 VAL A 67 LEU A 72 -1 O VAL A 69 N PHE A 60 SHEET 3 AA1 6 LEU A 24 SER A 29 1 N LEU A 26 O ARG A 68 SHEET 4 AA1 6 PHE A 88 GLY A 92 1 O PHE A 88 N ALA A 27 SHEET 5 AA1 6 SER A 200 ASN A 205 -1 O ARG A 201 N ALA A 91 SHEET 6 AA1 6 VAL A 104 ASP A 109 -1 N TYR A 105 O VAL A 204 SHEET 1 AA2 5 ASP A 154 LYS A 157 0 SHEET 2 AA2 5 ARG A 133 THR A 136 1 N ILE A 134 O ILE A 156 SHEET 3 AA2 5 LEU A 173 VAL A 178 1 O LEU A 173 N ALA A 135 SHEET 4 AA2 5 CYS A 115 VAL A 122 -1 N LYS A 116 O VAL A 178 SHEET 5 AA2 5 LEU A 189 VAL A 198 -1 O VAL A 198 N CYS A 115 CRYST1 70.570 33.900 90.769 90.00 105.17 90.00 I 1 2 1 4 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 0.014170 0.000000 0.003842 0.00000 SCALE2 0.000000 0.029499 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011415 0.00000