HEADER TRANSFERASE 20-DEC-17 6FCH TITLE CRYSTAL STRUCTURE OF HUMAN APRT WILD TYPE IN COMPLEX WITH PRPP AND TITLE 2 MG2+ COMPND MOL_ID: 1; COMPND 2 MOLECULE: ADENINE PHOSPHORIBOSYLTRANSFERASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: APRT; COMPND 5 EC: 2.4.2.7; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: APRT; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET29A KEYWDS ROSSMAN FOLD, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR P.NIOCHE,J.HUYET,M.OZEIR REVDAT 3 17-JAN-24 6FCH 1 HETSYN REVDAT 2 29-JUL-20 6FCH 1 COMPND REMARK HETNAM LINK REVDAT 2 2 1 SITE REVDAT 1 15-AUG-18 6FCH 0 JRNL AUTH J.HUYET,M.OZEIR,M.C.BURGEVIN,B.PINSON,F.CHESNEY,J.M.REMY, JRNL AUTH 2 A.R.SIDDIQI,R.LUPOLI,G.PINON,C.SAINT-MARC,J.F.GIBERT, JRNL AUTH 3 R.MORALES,I.CEBALLOS-PICOT,R.BAROUKI,B.DAIGNAN-FORNIER, JRNL AUTH 4 A.OLIVIER-BANDINI,F.AUGE,P.NIOCHE JRNL TITL STRUCTURAL INSIGHTS INTO THE FORWARD AND REVERSE ENZYMATIC JRNL TITL 2 REACTIONS IN HUMAN ADENINE PHOSPHORIBOSYLTRANSFERASE. JRNL REF CELL CHEM BIOL V. 25 666 2018 JRNL REFN ESSN 2451-9448 JRNL PMID 29576532 JRNL DOI 10.1016/J.CHEMBIOL.2018.02.011 REMARK 2 REMARK 2 RESOLUTION. 1.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0124 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) : 1.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 44.33 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 90.8 REMARK 3 NUMBER OF REFLECTIONS : 51787 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) : 0.142 REMARK 3 R VALUE (WORKING SET) : 0.141 REMARK 3 FREE R VALUE : 0.176 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2743 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) : 1.45 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.49 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3711 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 87.37 REMARK 3 BIN R VALUE (WORKING SET) : 0.2430 REMARK 3 BIN FREE R VALUE SET COUNT : 196 REMARK 3 BIN FREE R VALUE : 0.2640 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2736 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 46 REMARK 3 SOLVENT ATOMS : 296 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.41 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.12000 REMARK 3 B22 (A**2) : 0.01000 REMARK 3 B33 (A**2) : 0.21000 REMARK 3 B12 (A**2) : 0.61000 REMARK 3 B13 (A**2) : -0.38000 REMARK 3 B23 (A**2) : -0.10000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.080 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.066 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.046 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.743 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.976 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.967 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2960 ; 0.007 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 2920 ; 0.003 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4033 ; 1.232 ; 2.022 REMARK 3 BOND ANGLES OTHERS (DEGREES): 6753 ; 0.565 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 380 ; 6.011 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 118 ;29.925 ;23.220 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 520 ;12.567 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 25 ;19.563 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 464 ; 0.062 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3279 ; 0.006 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 626 ; 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): 1478 ; 1.476 ; 1.417 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1476 ; 1.476 ; 1.416 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1860 ; 1.584 ; 2.120 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): 5880 ; 6.001 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 76 ;14.407 ; 5.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 6038 ; 4.696 ; 5.000 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 : 1.20 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 U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 6FCH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 21-DEC-17. REMARK 100 THE DEPOSITION ID IS D_1200008079. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-OCT-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : MASSIF-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.966 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 2M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.5.12 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 54531 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.450 REMARK 200 RESOLUTION RANGE LOW (A) : 44.330 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.8 REMARK 200 DATA REDUNDANCY : 1.600 REMARK 200 R MERGE (I) : 0.03900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 9.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.47 REMARK 200 COMPLETENESS FOR SHELL (%) : 86.9 REMARK 200 DATA REDUNDANCY IN SHELL : 1.70 REMARK 200 R MERGE FOR SHELL (I) : 0.26200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 5DCI REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.32 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NAOAC, PEG4000, GLYCEROL, TRIS, PH REMARK 280 8.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 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: 4630 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14550 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -49.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 323 O HOH A 404 1.77 REMARK 500 O HOH B 316 O HOH B 388 1.85 REMARK 500 O HOH A 313 O HOH A 376 1.89 REMARK 500 O HOH B 307 O HOH B 433 2.09 REMARK 500 O HOH B 340 O HOH B 405 2.13 REMARK 500 OG SER B 102 O HOH B 301 2.13 REMARK 500 O HOH B 303 O HOH B 390 2.14 REMARK 500 O HOH A 401 O HOH A 441 2.17 REMARK 500 O GLY A 106 O HOH A 301 2.17 REMARK 500 NE ARG B 165 O HOH B 302 2.18 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 GLU A 104 -111.52 47.86 REMARK 500 ALA A 131 -103.25 -111.48 REMARK 500 GLU B 104 -100.88 59.40 REMARK 500 ALA B 131 -101.42 -113.54 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 449 DISTANCE = 5.84 ANGSTROMS REMARK 525 HOH B 447 DISTANCE = 6.10 ANGSTROMS REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 200 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PRP A 201 O3B REMARK 620 2 PRP A 201 O3 172.6 REMARK 620 3 PRP A 201 O1 95.3 78.5 REMARK 620 4 PRP A 201 O2 102.6 71.5 68.9 REMARK 620 5 HOH A 312 O 96.2 89.1 163.0 96.4 REMARK 620 6 HOH A 332 O 91.8 92.3 90.2 155.4 101.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 200 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PRP B 201 O1 REMARK 620 2 PRP B 201 O2 67.3 REMARK 620 3 PRP B 201 O3 78.8 71.2 REMARK 620 4 PRP B 201 O3B 94.0 103.3 172.1 REMARK 620 5 HOH B 319 O 92.7 155.9 92.5 91.0 REMARK 620 6 HOH B 333 O 163.7 97.7 90.6 95.8 100.1 REMARK 620 N 1 2 3 4 5 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5HND RELATED DB: PDB REMARK 900 RELATED ID: 6FCI RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF WILD TYPE HUMAN ADENINE REMARK 900 PHOSPHORIBOSYLTRANSFERASE (APRT) IN COMPLEX WITH ADENINE, MG2+ AND REMARK 900 PRPP REMARK 900 RELATED ID: 6FCL RELATED DB: PDB REMARK 900 RELATED ID: 6FD4 RELATED DB: PDB REMARK 900 RELATED ID: 6FD5 RELATED DB: PDB REMARK 900 RELATED ID: 6FD6 RELATED DB: PDB DBREF 6FCH A 3 180 UNP P07741 APT_HUMAN 3 180 DBREF 6FCH B 3 180 UNP P07741 APT_HUMAN 3 180 SEQRES 1 A 178 ASP SER GLU LEU GLN LEU VAL GLU GLN ARG ILE ARG SER SEQRES 2 A 178 PHE PRO ASP PHE PRO THR PRO GLY VAL VAL PHE ARG ASP SEQRES 3 A 178 ILE SER PRO VAL LEU LYS ASP PRO ALA SER PHE ARG ALA SEQRES 4 A 178 ALA ILE GLY LEU LEU ALA ARG HIS LEU LYS ALA THR HIS SEQRES 5 A 178 GLY GLY ARG ILE ASP TYR ILE ALA GLY LEU ASP SER ARG SEQRES 6 A 178 GLY PHE LEU PHE GLY PRO SER LEU ALA GLN GLU LEU GLY SEQRES 7 A 178 LEU GLY CYS VAL LEU ILE ARG LYS ARG GLY LYS LEU PRO SEQRES 8 A 178 GLY PRO THR LEU TRP ALA SER TYR SER LEU GLU TYR GLY SEQRES 9 A 178 LYS ALA GLU LEU GLU ILE GLN LYS ASP ALA LEU GLU PRO SEQRES 10 A 178 GLY GLN ARG VAL VAL VAL VAL ASP ASP LEU LEU ALA THR SEQRES 11 A 178 GLY GLY THR MET ASN ALA ALA CYS GLU LEU LEU GLY ARG SEQRES 12 A 178 LEU GLN ALA GLU VAL LEU GLU CYS VAL SER LEU VAL GLU SEQRES 13 A 178 LEU THR SER LEU LYS GLY ARG GLU LYS LEU ALA PRO VAL SEQRES 14 A 178 PRO PHE PHE SER LEU LEU GLN TYR GLU SEQRES 1 B 178 ASP SER GLU LEU GLN LEU VAL GLU GLN ARG ILE ARG SER SEQRES 2 B 178 PHE PRO ASP PHE PRO THR PRO GLY VAL VAL PHE ARG ASP SEQRES 3 B 178 ILE SER PRO VAL LEU LYS ASP PRO ALA SER PHE ARG ALA SEQRES 4 B 178 ALA ILE GLY LEU LEU ALA ARG HIS LEU LYS ALA THR HIS SEQRES 5 B 178 GLY GLY ARG ILE ASP TYR ILE ALA GLY LEU ASP SER ARG SEQRES 6 B 178 GLY PHE LEU PHE GLY PRO SER LEU ALA GLN GLU LEU GLY SEQRES 7 B 178 LEU GLY CYS VAL LEU ILE ARG LYS ARG GLY LYS LEU PRO SEQRES 8 B 178 GLY PRO THR LEU TRP ALA SER TYR SER LEU GLU TYR GLY SEQRES 9 B 178 LYS ALA GLU LEU GLU ILE GLN LYS ASP ALA LEU GLU PRO SEQRES 10 B 178 GLY GLN ARG VAL VAL VAL VAL ASP ASP LEU LEU ALA THR SEQRES 11 B 178 GLY GLY THR MET ASN ALA ALA CYS GLU LEU LEU GLY ARG SEQRES 12 B 178 LEU GLN ALA GLU VAL LEU GLU CYS VAL SER LEU VAL GLU SEQRES 13 B 178 LEU THR SER LEU LYS GLY ARG GLU LYS LEU ALA PRO VAL SEQRES 14 B 178 PRO PHE PHE SER LEU LEU GLN TYR GLU HET MG A 200 1 HET PRP A 201 22 HET MG B 200 1 HET PRP B 201 22 HETNAM MG MAGNESIUM ION 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 3 MG 2(MG 2+) FORMUL 4 PRP 2(C5 H13 O14 P3) FORMUL 7 HOH *296(H2 O) HELIX 1 AA1 ASP A 3 GLN A 11 1 9 HELIX 2 AA2 ILE A 29 ASP A 35 1 7 HELIX 3 AA3 ASP A 35 GLY A 55 1 21 HELIX 4 AA4 SER A 66 LEU A 70 5 5 HELIX 5 AA5 PHE A 71 GLY A 80 1 10 HELIX 6 AA6 GLY A 133 LEU A 146 1 14 HELIX 7 AA7 LYS A 163 ALA A 169 1 7 HELIX 8 AA8 SER B 4 GLN B 11 1 8 HELIX 9 AA9 ILE B 29 ASP B 35 1 7 HELIX 10 AB1 ASP B 35 GLY B 55 1 21 HELIX 11 AB2 SER B 66 LEU B 70 5 5 HELIX 12 AB3 PHE B 71 GLY B 80 1 10 HELIX 13 AB4 GLY B 133 LEU B 146 1 14 HELIX 14 AB5 LYS B 163 ALA B 169 1 7 SHEET 1 AA1 2 ARG A 14 PRO A 17 0 SHEET 2 AA1 2 VAL A 25 ASP A 28 -1 O ASP A 28 N ARG A 14 SHEET 1 AA2 7 THR A 96 LEU A 103 0 SHEET 2 AA2 7 GLY A 106 GLN A 113 -1 O LEU A 110 N ALA A 99 SHEET 3 AA2 7 GLY A 82 LYS A 88 -1 N ARG A 87 O GLU A 111 SHEET 4 AA2 7 TYR A 60 LEU A 64 1 N ILE A 61 O VAL A 84 SHEET 5 AA2 7 ARG A 122 LEU A 130 1 O VAL A 126 N ALA A 62 SHEET 6 AA2 7 GLU A 149 LEU A 159 1 O GLU A 149 N VAL A 123 SHEET 7 AA2 7 PHE A 173 TYR A 179 1 O TYR A 179 N GLU A 158 SHEET 1 AA3 2 ARG B 14 PHE B 16 0 SHEET 2 AA3 2 PHE B 26 ASP B 28 -1 O ASP B 28 N ARG B 14 SHEET 1 AA4 7 THR B 96 LEU B 103 0 SHEET 2 AA4 7 GLY B 106 GLN B 113 -1 O GLY B 106 N LEU B 103 SHEET 3 AA4 7 GLY B 82 LYS B 88 -1 N ARG B 87 O GLU B 111 SHEET 4 AA4 7 TYR B 60 LEU B 64 1 N ILE B 61 O VAL B 84 SHEET 5 AA4 7 ARG B 122 LEU B 130 1 O VAL B 126 N ALA B 62 SHEET 6 AA4 7 GLU B 149 LEU B 159 1 O GLU B 149 N VAL B 123 SHEET 7 AA4 7 PHE B 173 TYR B 179 1 O TYR B 179 N GLU B 158 LINK MG MG A 200 O3B PRP A 201 1555 1555 2.22 LINK MG MG A 200 O3 PRP A 201 1555 1555 2.29 LINK MG MG A 200 O1 PRP A 201 1555 1555 2.37 LINK MG MG A 200 O2 PRP A 201 1555 1555 2.39 LINK MG MG A 200 O HOH A 312 1555 1555 2.33 LINK MG MG A 200 O HOH A 332 1555 1555 2.22 LINK MG MG B 200 O1 PRP B 201 1555 1555 2.39 LINK MG MG B 200 O2 PRP B 201 1555 1555 2.41 LINK MG MG B 200 O3 PRP B 201 1555 1555 2.30 LINK MG MG B 200 O3B PRP B 201 1555 1555 2.26 LINK MG MG B 200 O HOH B 319 1555 1555 2.27 LINK MG MG B 200 O HOH B 333 1555 1555 2.25 CISPEP 1 PHE A 19 PRO A 20 0 6.85 CISPEP 2 ASP A 65 SER A 66 0 -0.82 CISPEP 3 ASP A 65 SER A 66 0 -0.80 CISPEP 4 ALA A 169 PRO A 170 0 15.83 CISPEP 5 PHE B 19 PRO B 20 0 6.18 CISPEP 6 ASP B 65 SER B 66 0 0.31 CISPEP 7 ASP B 65 SER B 66 0 0.87 CISPEP 8 ALA B 169 PRO B 170 0 14.97 CRYST1 47.260 47.350 47.440 77.02 69.53 61.78 P 1 2 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 0.021160 -0.011355 -0.007102 0.00000 SCALE2 0.000000 0.023968 -0.001725 0.00000 SCALE3 0.000000 0.000000 0.022558 0.00000