HEADER LYASE 30-JUL-10 3O7J TITLE CRYSTAL STRUCTURE OF 2-OXO-4-HYDROXY-4-CARBOXY-5-UREIDOIMIDAZOLINE TITLE 2 DECARBOXYLASE FROM KLEBSIELLA PNEUMONIAE COMPND MOL_ID: 1; COMPND 2 MOLECULE: OHCU DECARBOXYLASE; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: KLEBSIELLA PNEUMONIAE SUBSP. PNEUMONIAE; SOURCE 3 ORGANISM_TAXID: 272620; SOURCE 4 STRAIN: ATCC 700721; SOURCE 5 GENE: KPN78578_16350, KPN_01665; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS DECARBOXYLASE, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR J.B.FRENCH,S.E.EALICK REVDAT 3 06-SEP-23 3O7J 1 REMARK SEQADV REVDAT 2 24-NOV-10 3O7J 1 JRNL REVDAT 1 08-SEP-10 3O7J 0 JRNL AUTH J.B.FRENCH,S.E.EALICK JRNL TITL STRUCTURAL AND MECHANISTIC STUDIES ON KLEBSIELLA PNEUMONIAE JRNL TITL 2 2-OXO-4-HYDROXY-4-CARBOXY-5-UREIDOIMIDAZOLINE DECARBOXYLASE. JRNL REF J.BIOL.CHEM. V. 285 35446 2010 JRNL REFN ISSN 0021-9258 JRNL PMID 20826786 JRNL DOI 10.1074/JBC.M110.156034 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0109 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.61 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 3 NUMBER OF REFLECTIONS : 11525 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) : 0.215 REMARK 3 R VALUE (WORKING SET) : 0.213 REMARK 3 FREE R VALUE : 0.243 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 576 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : 812 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.14 REMARK 3 BIN R VALUE (WORKING SET) : 0.2690 REMARK 3 BIN FREE R VALUE SET COUNT : 39 REMARK 3 BIN FREE R VALUE : 0.3450 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1270 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 11 REMARK 3 SOLVENT ATOMS : 89 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.16 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.07000 REMARK 3 B22 (A**2) : 0.06000 REMARK 3 B33 (A**2) : 0.11000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.09000 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): 0.171 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.135 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.809 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.939 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): 1298 ; 0.006 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1752 ; 0.991 ; 1.972 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 165 ; 3.834 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 63 ;29.603 ;23.175 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 223 ;14.773 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 16 ;15.019 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 194 ; 0.055 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1001 ; 0.003 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL 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): 824 ; 0.355 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1297 ; 0.707 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 474 ; 1.042 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 455 ; 1.885 ; 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 : 1.40 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 3O7J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-AUG-10. REMARK 100 THE DEPOSITION ID IS D_1000060763. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-10 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : A1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.987 REMARK 200 MONOCHROMATOR : HORIZONTAL FOCUSING 5.05 REMARK 200 ASYMMETRIC CUT SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12100 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 2.400 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07600 REMARK 200 FOR THE DATA SET : 16.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.03 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.1 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.26300 REMARK 200 FOR SHELL : 2.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: PDB ENTRY 2Q37 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 22-26% PEG-8000, 0.25 M SODIUM ACETATE REMARK 280 IN PH 6.5 CACODYLATE, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 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 REMARK 290 4555 -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 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 45.59100 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 23.65850 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 45.59100 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 23.65850 REMARK 290 SMTRY3 4 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 A 185 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 -22 REMARK 465 GLY A -21 REMARK 465 SER A -20 REMARK 465 ASP A -19 REMARK 465 LYS A -18 REMARK 465 ILE A -17 REMARK 465 HIS 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 SER A -10 REMARK 465 SER A -9 REMARK 465 GLY A -8 REMARK 465 GLU A -7 REMARK 465 ASN A -6 REMARK 465 LEU A -5 REMARK 465 TYR A -4 REMARK 465 PHE A -3 REMARK 465 GLN A -2 REMARK 465 GLY A -1 REMARK 465 HIS A 0 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLU A 30 CG CD OE1 OE2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 2AL A 451 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3O7H RELATED DB: PDB REMARK 900 RELATED ID: 3O7I RELATED DB: PDB REMARK 900 RELATED ID: 3O7K RELATED DB: PDB DBREF 3O7J A 1 166 UNP A6T925 A6T925_KLEP7 1 166 SEQADV 3O7J MET A -22 UNP A6T925 EXPRESSION TAG SEQADV 3O7J GLY A -21 UNP A6T925 EXPRESSION TAG SEQADV 3O7J SER A -20 UNP A6T925 EXPRESSION TAG SEQADV 3O7J ASP A -19 UNP A6T925 EXPRESSION TAG SEQADV 3O7J LYS A -18 UNP A6T925 EXPRESSION TAG SEQADV 3O7J ILE A -17 UNP A6T925 EXPRESSION TAG SEQADV 3O7J HIS A -16 UNP A6T925 EXPRESSION TAG SEQADV 3O7J HIS A -15 UNP A6T925 EXPRESSION TAG SEQADV 3O7J HIS A -14 UNP A6T925 EXPRESSION TAG SEQADV 3O7J HIS A -13 UNP A6T925 EXPRESSION TAG SEQADV 3O7J HIS A -12 UNP A6T925 EXPRESSION TAG SEQADV 3O7J HIS A -11 UNP A6T925 EXPRESSION TAG SEQADV 3O7J SER A -10 UNP A6T925 EXPRESSION TAG SEQADV 3O7J SER A -9 UNP A6T925 EXPRESSION TAG SEQADV 3O7J GLY A -8 UNP A6T925 EXPRESSION TAG SEQADV 3O7J GLU A -7 UNP A6T925 EXPRESSION TAG SEQADV 3O7J ASN A -6 UNP A6T925 EXPRESSION TAG SEQADV 3O7J LEU A -5 UNP A6T925 EXPRESSION TAG SEQADV 3O7J TYR A -4 UNP A6T925 EXPRESSION TAG SEQADV 3O7J PHE A -3 UNP A6T925 EXPRESSION TAG SEQADV 3O7J GLN A -2 UNP A6T925 EXPRESSION TAG SEQADV 3O7J GLY A -1 UNP A6T925 EXPRESSION TAG SEQADV 3O7J HIS A 0 UNP A6T925 EXPRESSION TAG SEQRES 1 A 189 MET GLY SER ASP LYS ILE HIS HIS HIS HIS HIS HIS SER SEQRES 2 A 189 SER GLY GLU ASN LEU TYR PHE GLN GLY HIS MET ILE ALA SEQRES 3 A 189 LEU SER GLN PHE ASN SER LEU SER LYS ASP GLU ALA ALA SEQRES 4 A 189 GLY LEU LEU ALA PRO CYS VAL ALA LEU PRO ALA TRP GLY SEQRES 5 A 189 GLU THR LEU VAL SER LEU ARG PRO PHE ALA SER ARG HIS SEQRES 6 A 189 ALA LEU LEU GLN THR ALA ARG GLU ALA MET ALA ASN TRP SEQRES 7 A 189 GLY GLU ASP GLU LEU ASN ALA ALA LEU SER ALA HIS PRO SEQRES 8 A 189 ARG ILE GLY GLU LYS PRO THR GLY SER GLN ALA HIS ALA SEQRES 9 A 189 ALA LEU SER ARG GLN GLU GLN SER SER VAL ASP SER GLU SEQRES 10 A 189 ASN GLU ARG LEU ALA GLN ALA LEU ARG GLU GLY ASN ALA SEQRES 11 A 189 ARG TYR GLU ALA ARG PHE GLY ARG VAL PHE LEU ILE ARG SEQRES 12 A 189 ALA LYS GLY ARG SER GLY GLU GLU ILE LEU GLN ALA LEU SEQRES 13 A 189 THR ARG ARG LEU GLN HIS THR ALA ASP GLU GLU VAL ALA SEQRES 14 A 189 GLU ALA LEU ALA GLN LEU ARG GLU ILE THR MET LEU ARG SEQRES 15 A 189 LEU GLU GLY ALA ILE GLY GLU HET 2AL A 451 11 HETNAM 2AL 1-(2,5-DIOXO-2,5-DIHYDRO-1H-IMIDAZOL-4-YL)UREA HETSYN 2AL ALLANTOIN FORMUL 2 2AL C4 H4 N4 O3 FORMUL 3 HOH *89(H2 O) HELIX 1 1 LEU A 4 LEU A 10 1 7 HELIX 2 2 SER A 11 ALA A 20 1 10 HELIX 3 3 PRO A 21 VAL A 23 5 3 HELIX 4 4 LEU A 25 LEU A 35 1 11 HELIX 5 5 SER A 40 MET A 52 1 13 HELIX 6 6 GLY A 56 LEU A 64 1 9 HELIX 7 7 SER A 65 HIS A 67 5 3 HELIX 8 8 GLN A 78 GLN A 88 1 11 HELIX 9 9 ASN A 95 GLY A 114 1 20 HELIX 10 10 SER A 125 LEU A 137 1 13 HELIX 11 11 THR A 140 ALA A 163 1 24 SHEET 1 A 2 ILE A 2 ALA A 3 0 SHEET 2 A 2 ILE A 164 GLY A 165 1 O GLY A 165 N ILE A 2 CISPEP 1 ARG A 36 PRO A 37 0 -1.27 SITE 1 AC1 11 PRO A 68 ILE A 70 SER A 84 GLU A 87 SITE 2 AC1 11 GLN A 88 PHE A 117 LEU A 118 ILE A 119 SITE 3 AC1 11 ALA A 121 ILE A 155 HOH A 169 CRYST1 91.182 47.317 50.208 90.00 123.13 90.00 C 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 0.010967 0.000000 0.007157 0.00000 SCALE2 0.000000 0.021134 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023783 0.00000