HEADER LIGASE 07-DEC-01 1KKF TITLE COMPLEX OF E. COLI ADENYLOSUCCINATE SYNTHETASE WITH IMP, HADACIDIN, TITLE 2 PYROPHOSPHATE, AND MG COMPND MOL_ID: 1; COMPND 2 MOLECULE: ADENYLOSUCCINATE SYNTHETASE; COMPND 3 CHAIN: A; COMPND 4 EC: 6.3.4.4; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI K12; SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 STRAIN: K-12; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS LIGASE, GTP-HYDROLYSING ENZYMES, PURINE NUCLEOTIDE BIOSYNTHESIS, KEYWDS 2 INDUCED FIT EXPDTA X-RAY DIFFRACTION AUTHOR Z.HOU,W.WANG,H.J.FROMM,R.B.HONZATKO REVDAT 7 14-FEB-24 1KKF 1 REMARK LINK REVDAT 6 11-OCT-17 1KKF 1 REMARK REVDAT 5 13-JUL-11 1KKF 1 VERSN REVDAT 4 27-OCT-10 1KKF 1 FORMUL HET HETATM HETNAM REVDAT 3 24-FEB-09 1KKF 1 VERSN REVDAT 2 01-APR-03 1KKF 1 JRNL REVDAT 1 20-MAR-02 1KKF 0 JRNL AUTH Z.HOU,W.WANG,H.J.FROMM,R.B.HONZATKO JRNL TITL IMP ALONE ORGANIZES THE ACTIVE SITE OF ADENYLOSUCCINATE JRNL TITL 2 SYNTHETASE FROM ESCHERICHIA COLI. JRNL REF J.BIOL.CHEM. V. 277 5970 2002 JRNL REFN ISSN 0021-9258 JRNL PMID 11741996 JRNL DOI 10.1074/JBC.M109561200 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 5.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 14560 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 SET) : 0.190 REMARK 3 FREE R VALUE : 0.270 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1456 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3321 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 41 REMARK 3 SOLVENT ATOMS : 344 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.770 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.580 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1KKF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-DEC-01. REMARK 100 THE DEPOSITION ID IS D_1000015047. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-98 REMARK 200 TEMPERATURE (KELVIN) : 120 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 : SIEMENS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54178 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : GRAPHITE MONOCHROMATOR REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : X-GEN REMARK 200 DATA SCALING SOFTWARE : X-GEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22089 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08300 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.75 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.33 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, HEPES, IMP, HADACIDIN, REMARK 280 PYROPHOSPHATE, MAGNESIUM ACETATE, PH 6.5, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 105.78000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 52.89000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 52.89000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 105.78000 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 300 REMARK: THE ASSYMMETRIC UNIT CONTAINS A SINGLE SUBUNIT. THE REMARK 300 FUNCTIONAL SYSTEM IS A DIMER. 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 7760 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 27940 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -41.0 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 105.78000 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 0 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 GLN A 10 -117.30 -114.24 REMARK 500 HIS A 53 -68.46 -129.95 REMARK 500 ARG A 143 29.22 81.57 REMARK 500 GLN A 224 -155.17 54.18 REMARK 500 SER A 252 -31.13 -131.97 REMARK 500 PHE A 278 82.15 -168.05 REMARK 500 LEU A 360 -85.67 -94.87 REMARK 500 LYS A 366 -73.94 -27.85 REMARK 500 REMARK 500 REMARK: NULL 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 434 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 13 OD1 REMARK 620 2 GLY A 40 O 151.9 REMARK 620 3 DPO A 432 O7 93.7 111.0 REMARK 620 4 DPO A 432 O1 75.9 110.3 101.5 REMARK 620 5 DPO A 432 O4 105.4 99.8 55.2 54.3 REMARK 620 6 HDA A 437 O 75.6 78.6 168.5 80.2 131.2 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 434 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DPO A 432 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HDA A 437 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMP A 440 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1CIB RELATED DB: PDB REMARK 900 COMPLEX OF E. COLI ADENYLOSUCCINATE SYNTHETASE WITH IMP, GDP, REMARK 900 HADACIDIN, NITRATE, AND MG REMARK 900 RELATED ID: 1KJX RELATED DB: PDB REMARK 900 COMPLEX OF E. COLI ADENYLOSUCCINATE SYNTHETASE WITH IMP REMARK 900 RELATED ID: 1KKB RELATED DB: PDB REMARK 900 COMPLEX OF E. COLI ADENYLOSUCCINATE SYNTHETASE WITH IMP AND REMARK 900 HADACIDIN DBREF 1KKF A 0 431 UNP P12283 PURA_ECOLI 1 432 SEQRES 1 A 432 MET GLY ASN ASN VAL VAL VAL LEU GLY THR GLN TRP GLY SEQRES 2 A 432 ASP GLU GLY LYS GLY LYS ILE VAL ASP LEU LEU THR GLU SEQRES 3 A 432 ARG ALA LYS TYR VAL VAL ARG TYR GLN GLY GLY HIS ASN SEQRES 4 A 432 ALA GLY HIS THR LEU VAL ILE ASN GLY GLU LYS THR VAL SEQRES 5 A 432 LEU HIS LEU ILE PRO SER GLY ILE LEU ARG GLU ASN VAL SEQRES 6 A 432 THR SER ILE ILE GLY ASN GLY VAL VAL LEU SER PRO ALA SEQRES 7 A 432 ALA LEU MET LYS GLU MET LYS GLU LEU GLU ASP ARG GLY SEQRES 8 A 432 ILE PRO VAL ARG GLU ARG LEU LEU LEU SER GLU ALA CYS SEQRES 9 A 432 PRO LEU ILE LEU ASP TYR HIS VAL ALA LEU ASP ASN ALA SEQRES 10 A 432 ARG GLU LYS ALA ARG GLY ALA LYS ALA ILE GLY THR THR SEQRES 11 A 432 GLY ARG GLY ILE GLY PRO ALA TYR GLU ASP LYS VAL ALA SEQRES 12 A 432 ARG ARG GLY LEU ARG VAL GLY ASP LEU PHE ASP LYS GLU SEQRES 13 A 432 THR PHE ALA GLU LYS LEU LYS GLU VAL MET GLU TYR HIS SEQRES 14 A 432 ASN PHE GLN LEU VAL ASN TYR TYR LYS ALA GLU ALA VAL SEQRES 15 A 432 ASP TYR GLN LYS VAL LEU ASP ASP THR MET ALA VAL ALA SEQRES 16 A 432 ASP ILE LEU THR SER MET VAL VAL ASP VAL SER ASP LEU SEQRES 17 A 432 LEU ASP GLN ALA ARG GLN ARG GLY ASP PHE VAL MET PHE SEQRES 18 A 432 GLU GLY ALA GLN GLY THR LEU LEU ASP ILE ASP HIS GLY SEQRES 19 A 432 THR TYR PRO TYR VAL THR SER SER ASN THR THR ALA GLY SEQRES 20 A 432 GLY VAL ALA THR GLY SER GLY LEU GLY PRO ARG TYR VAL SEQRES 21 A 432 ASP TYR VAL LEU GLY ILE LEU LYS ALA TYR SER THR ARG SEQRES 22 A 432 VAL GLY ALA GLY PRO PHE PRO THR GLU LEU PHE ASP GLU SEQRES 23 A 432 THR GLY GLU PHE LEU CYS LYS GLN GLY ASN GLU PHE GLY SEQRES 24 A 432 ALA THR THR GLY ARG ARG ARG ARG THR GLY TRP LEU ASP SEQRES 25 A 432 THR VAL ALA VAL ARG ARG ALA VAL GLN LEU ASN SER LEU SEQRES 26 A 432 SER GLY PHE CYS LEU THR LYS LEU ASP VAL LEU ASP GLY SEQRES 27 A 432 LEU LYS GLU VAL LYS LEU CYS VAL ALA TYR ARG MET PRO SEQRES 28 A 432 ASP GLY ARG GLU VAL THR THR THR PRO LEU ALA ALA ASP SEQRES 29 A 432 ASP TRP LYS GLY VAL GLU PRO ILE TYR GLU THR MET PRO SEQRES 30 A 432 GLY TRP SER GLU SER THR PHE GLY VAL LYS ASP ARG SER SEQRES 31 A 432 GLY LEU PRO GLN ALA ALA LEU ASN TYR ILE LYS ARG ILE SEQRES 32 A 432 GLU GLU LEU THR GLY VAL PRO ILE ASP ILE ILE SER THR SEQRES 33 A 432 GLY PRO ASP ARG THR GLU THR MET ILE LEU ARG ASP PRO SEQRES 34 A 432 PHE ASP ALA HET MG A 434 1 HET DPO A 432 9 HET HDA A 437 8 HET IMP A 440 23 HETNAM MG MAGNESIUM ION HETNAM DPO DIPHOSPHATE HETNAM HDA HADACIDIN HETNAM IMP INOSINIC ACID FORMUL 2 MG MG 2+ FORMUL 3 DPO O7 P2 4- FORMUL 4 HDA C3 H5 N O4 FORMUL 5 IMP C10 H13 N4 O8 P FORMUL 6 HOH *344(H2 O) HELIX 1 1 GLY A 15 THR A 24 1 10 HELIX 2 2 GLU A 25 ALA A 27 5 3 HELIX 3 3 SER A 75 ARG A 89 1 15 HELIX 4 4 PRO A 92 ARG A 96 1 5 HELIX 5 5 LEU A 107 ARG A 121 1 15 HELIX 6 6 GLY A 122 ALA A 125 5 4 HELIX 7 7 GLY A 132 ALA A 142 1 11 HELIX 8 8 ARG A 147 PHE A 152 5 6 HELIX 9 9 ASP A 153 TYR A 175 1 23 HELIX 10 10 ASP A 182 ALA A 192 1 11 HELIX 11 11 VAL A 193 MET A 200 1 8 HELIX 12 12 ASP A 203 GLY A 215 1 13 HELIX 13 13 GLY A 225 ASP A 229 5 5 HELIX 14 14 ALA A 245 GLY A 253 1 9 HELIX 15 15 GLY A 255 VAL A 259 5 5 HELIX 16 16 ASP A 284 ASN A 295 1 12 HELIX 17 17 THR A 312 SER A 323 1 12 HELIX 18 18 LYS A 331 ASP A 336 5 6 HELIX 19 19 ALA A 361 LYS A 366 5 6 HELIX 20 20 ASP A 387 LEU A 391 5 5 HELIX 21 21 PRO A 392 GLY A 407 1 16 SHEET 1 A10 VAL A 201 VAL A 202 0 SHEET 2 A10 LEU A 97 SER A 100 1 N LEU A 99 O VAL A 202 SHEET 3 A10 THR A 65 ILE A 68 1 N SER A 66 O LEU A 98 SHEET 4 A10 TYR A 29 ARG A 32 1 N VAL A 30 O ILE A 67 SHEET 5 A10 VAL A 218 GLU A 221 1 O GLU A 221 N VAL A 31 SHEET 6 A10 ASN A 3 GLY A 8 1 N VAL A 6 O PHE A 220 SHEET 7 A10 TYR A 261 LYS A 267 1 O LEU A 263 N VAL A 5 SHEET 8 A10 GLY A 326 THR A 330 1 O CYS A 328 N LEU A 266 SHEET 9 A10 ILE A 410 SER A 414 1 O SER A 414 N LEU A 329 SHEET 10 A10 THR A 422 ILE A 424 -1 O MET A 423 N ILE A 413 SHEET 1 B 2 HIS A 41 ILE A 45 0 SHEET 2 B 2 GLU A 48 LEU A 52 -1 O GLU A 48 N ILE A 45 SHEET 1 C 2 SER A 270 ARG A 272 0 SHEET 2 C 2 ARG A 306 GLY A 308 -1 O GLY A 308 N SER A 270 SHEET 1 D 3 GLU A 369 TRP A 378 0 SHEET 2 D 3 LEU A 338 ARG A 348 -1 N VAL A 341 O MET A 375 SHEET 3 D 3 LEU A 310 ASP A 311 1 N LEU A 310 O CYS A 344 SHEET 1 E 3 GLU A 369 TRP A 378 0 SHEET 2 E 3 LEU A 338 ARG A 348 -1 N VAL A 341 O MET A 375 SHEET 3 E 3 GLU A 354 VAL A 355 -1 O VAL A 355 N TYR A 347 LINK OD1 ASP A 13 MG MG A 434 1555 1555 2.85 LINK O GLY A 40 MG MG A 434 1555 1555 2.38 LINK O7 DPO A 432 MG MG A 434 1555 1555 2.34 LINK O1 DPO A 432 MG MG A 434 1555 1555 2.37 LINK O4 DPO A 432 MG MG A 434 1555 1555 2.98 LINK MG MG A 434 O HDA A 437 1555 1555 2.35 CISPEP 1 TYR A 235 PRO A 236 0 0.15 SITE 1 AC1 4 ASP A 13 GLY A 40 DPO A 432 HDA A 437 SITE 1 AC2 14 GLY A 12 ASP A 13 GLU A 14 GLY A 15 SITE 2 AC2 14 LYS A 16 GLY A 17 ALA A 39 GLY A 40 SITE 3 AC2 14 HIS A 41 ALA A 223 GLN A 224 MG A 434 SITE 4 AC2 14 HDA A 437 IMP A 440 SITE 1 AC3 12 ASP A 13 ASN A 38 GLY A 40 THR A 129 SITE 2 AC3 12 GLY A 298 THR A 300 THR A 301 ARG A 303 SITE 3 AC3 12 ARG A 305 DPO A 432 MG A 434 IMP A 440 SITE 1 AC4 23 TRP A 11 ASP A 13 ASN A 38 ALA A 39 SITE 2 AC4 23 GLY A 127 THR A 128 THR A 129 ARG A 143 SITE 3 AC4 23 GLN A 224 LEU A 228 VAL A 238 THR A 239 SITE 4 AC4 23 VAL A 273 GLY A 274 ARG A 303 DPO A 432 SITE 5 AC4 23 HDA A 437 HOH A 542 HOH A 576 HOH A 577 SITE 6 AC4 23 HOH A 583 HOH A 588 HOH A 849 CRYST1 80.120 80.120 158.670 90.00 90.00 120.00 P 32 2 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 0.012481 0.007206 0.000000 0.00000 SCALE2 0.000000 0.014412 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006302 0.00000