HEADER HYDROLASE 13-FEB-04 1SDE TITLE TOWARD BETTER ANTIBIOTICS: CRYSTAL STRUCTURE OF D-ALA-D-ALA PEPTIDASE TITLE 2 INHIBITED BY A NOVEL BICYCLIC PHOSPHATE INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: D-ALANYL-D-ALANINE CARBOXYPEPTIDASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: DD-PEPTIDASE, DD-CARBOXYPEPTIDASE; COMPND 5 EC: 3.4.16.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES SP.; SOURCE 3 ORGANISM_TAXID: 31952; SOURCE 4 STRAIN: R61 KEYWDS CYCLIC PHOSPHATE, PEPTIDOGLYCAN, PENICILLIN BINDING PROTEIN, KEYWDS 2 ANTIBIOTIC, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR N.R.SILVAGGI,K.KAUR,S.A.ADEDIRAN,R.F.PRATT,J.A.KELLY REVDAT 4 23-AUG-23 1SDE 1 REMARK LINK REVDAT 3 13-JUL-11 1SDE 1 VERSN REVDAT 2 24-FEB-09 1SDE 1 VERSN REVDAT 1 12-OCT-04 1SDE 0 JRNL AUTH N.R.SILVAGGI,K.KAUR,S.A.ADEDIRAN,R.F.PRATT,J.A.KELLY JRNL TITL TOWARD BETTER ANTIBIOTICS: CRYSTALLOGRAPHIC STUDIES OF A JRNL TITL 2 NOVEL CLASS OF DD-PEPTIDASE/BETA-LACTAMASE INHIBITORS JRNL REF BIOCHEMISTRY V. 43 7046 2004 JRNL REFN ISSN 0006-2960 JRNL PMID 15170342 JRNL DOI 10.1021/BI049612C REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH N.R.SILVAGGI,J.W.ANDERSON,S.R.BRINSMADE,R.F.PRATT,J.A.KELLY REMARK 1 TITL STRUCTURE OF PHOSPHONATE-INHIBITED D-ALA-D-ALA PEPTIDASE REMARK 1 TITL 2 REVEALS AN ANALOGUE OF A TETRAHEDRAL TRANSITION STATE. REMARK 1 REF BIOCHEMISTRY V. 42 1199 2003 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.A.MCDONOUGH,J.W.ANDERSON,N.R.SILVAGGI,R.F.PRATT,J.R.KNOX, REMARK 1 AUTH 2 J.A.KELLY REMARK 1 TITL STRUCTURES OF TWO KINETIC INTERMEDIATES REVEAL SPECIES REMARK 1 TITL 2 SPECIFICITY OF PENICILLIN-BINDING PROTEINS REMARK 1 REF J.MOL.BIOL. V. 322 111 2002 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH J.A.KELLY,A.P.KUZIN REMARK 1 TITL THE REFINED CRYSTALLOGRAPHIC STRUCTURE OF A DD-PEPTIDASE REMARK 1 TITL 2 PENICILLIN-TARGET ENZYME AT 1.6A RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 254 223 1995 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 1.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.3 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.119 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.107 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.140 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 5813 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 122116 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.113 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.101 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.133 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 5168 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 102281 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2602 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 19 REMARK 3 SOLVENT ATOMS : 568 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 3069.6 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 25 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 28915 REMARK 3 NUMBER OF RESTRAINTS : 0 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.014 REMARK 3 ANGLE DISTANCES (A) : 0.030 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.031 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.096 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE R REMARK 3 (NO CUTOFF) BY 2.9% REMARK 4 REMARK 4 1SDE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-MAR-04. REMARK 100 THE DEPOSITION ID IS D_1000021615. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-JUL-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X12B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 119308 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.150 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 (%) : 97.7 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05600 REMARK 200 FOR THE DATA SET : 28.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.19 REMARK 200 COMPLETENESS FOR SHELL (%) : 82.9 REMARK 200 DATA REDUNDANCY IN SHELL : 4.30 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.24500 REMARK 200 FOR SHELL : 4.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: 3PTE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.01 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 8000, 50MM SODIUM PHOSPHATE, REMARK 280 PH 6.8, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 25.40000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 50.05000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.35000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 50.05000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.40000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 33.35000 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 300 REMARK: MONOMER IS BIOLOGICALLY ACTIVE UNIT 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 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 ALA A 1 REMARK 465 ASP A 2 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 PRO A 347 O REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 50 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG A 57 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 VAL A 87 CA - CB - CG2 ANGL. DEV. = -10.7 DEGREES REMARK 500 ARG A 99 CD - NE - CZ ANGL. DEV. = 18.7 DEGREES REMARK 500 ARG A 99 NE - CZ - NH2 ANGL. DEV. = 3.8 DEGREES REMARK 500 TYR A 137 CB - CG - CD2 ANGL. DEV. = 4.2 DEGREES REMARK 500 PHE A 188 CB - CG - CD2 ANGL. DEV. = -4.8 DEGREES REMARK 500 PHE A 188 CB - CG - CD1 ANGL. DEV. = 4.4 DEGREES REMARK 500 ARG A 286 NE - CZ - NH1 ANGL. DEV. = 6.3 DEGREES REMARK 500 ARG A 286 NE - CZ - NH2 ANGL. DEV. = -4.3 DEGREES REMARK 500 ARG A 287 NE - CZ - NH2 ANGL. DEV. = -5.0 DEGREES REMARK 500 TYR A 306 CB - CG - CD2 ANGL. DEV. = -3.9 DEGREES REMARK 500 TYR A 306 CB - CG - CD1 ANGL. DEV. = 4.4 DEGREES 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 ILE A 187 -62.72 -134.03 REMARK 500 GLN A 235 -118.51 53.03 REMARK 500 ASN A 324 49.67 -91.12 REMARK 500 ASN A 328 88.64 -150.82 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 2PB A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 500 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SCW RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF D-ALA-D-ALA PEPTIDASE INHIBITED BY MONOCYCLIC REMARK 900 PHOSPHATE INHIBITOR REMARK 900 RELATED ID: 1MPL RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF PHOSPHONATE-INHIBITED D-ALA-D-ALA PEPTIDASE REMARK 900 REVEALS AN ANALOG OF A TETRAHEDRAL TRANSITION STATE DBREF 1SDE A 1 347 UNP P15555 DAC_STRSR 32 378 SEQRES 1 A 347 ALA ASP LEU PRO ALA PRO ASP ASP THR GLY LEU GLN ALA SEQRES 2 A 347 VAL LEU HIS THR ALA LEU SER GLN GLY ALA PRO GLY ALA SEQRES 3 A 347 MET VAL ARG VAL ASP ASP ASN GLY THR ILE HIS GLN LEU SEQRES 4 A 347 SER GLU GLY VAL ALA ASP ARG ALA THR GLY ARG ALA ILE SEQRES 5 A 347 THR THR THR ASP ARG PHE ARG VAL GLY SER VAL THR LYS SEQRES 6 A 347 SER PHE SER ALA VAL VAL LEU LEU GLN LEU VAL ASP GLU SEQRES 7 A 347 GLY LYS LEU ASP LEU ASP ALA SER VAL ASN THR TYR LEU SEQRES 8 A 347 PRO GLY LEU LEU PRO ASP ASP ARG ILE THR VAL ARG GLN SEQRES 9 A 347 VAL MET SER HIS ARG SER GLY LEU TYR ASP TYR THR ASN SEQRES 10 A 347 ASP MET PHE ALA GLN THR VAL PRO GLY PHE GLU SER VAL SEQRES 11 A 347 ARG ASN LYS VAL PHE SER TYR GLN ASP LEU ILE THR LEU SEQRES 12 A 347 SER LEU LYS HIS GLY VAL THR ASN ALA PRO GLY ALA ALA SEQRES 13 A 347 TYR SER TYR SER ASN THR ASN PHE VAL VAL ALA GLY MET SEQRES 14 A 347 LEU ILE GLU LYS LEU THR GLY HIS SER VAL ALA THR GLU SEQRES 15 A 347 TYR GLN ASN ARG ILE PHE THR PRO LEU ASN LEU THR ASP SEQRES 16 A 347 THR PHE TYR VAL HIS PRO ASP THR VAL ILE PRO GLY THR SEQRES 17 A 347 HIS ALA ASN GLY TYR LEU THR PRO ASP GLU ALA GLY GLY SEQRES 18 A 347 ALA LEU VAL ASP SER THR GLU GLN THR VAL SER TRP ALA SEQRES 19 A 347 GLN SER ALA GLY ALA VAL ILE SER SER THR GLN ASP LEU SEQRES 20 A 347 ASP THR PHE PHE SER ALA LEU MET SER GLY GLN LEU MET SEQRES 21 A 347 SER ALA ALA GLN LEU ALA GLN MET GLN GLN TRP THR THR SEQRES 22 A 347 VAL ASN SER THR GLN GLY TYR GLY LEU GLY LEU ARG ARG SEQRES 23 A 347 ARG ASP LEU SER CYS GLY ILE SER VAL TYR GLY HIS THR SEQRES 24 A 347 GLY THR VAL GLN GLY TYR TYR THR TYR ALA PHE ALA SER SEQRES 25 A 347 LYS ASP GLY LYS ARG SER VAL THR ALA LEU ALA ASN THR SEQRES 26 A 347 SER ASN ASN VAL ASN VAL LEU ASN THR MET ALA ARG THR SEQRES 27 A 347 LEU GLU SER ALA PHE CYS GLY LYS PRO HET 2PB A 400 13 HET GOL A 500 6 HETNAM 2PB 2-[(DIOXIDOPHOSPHINO)OXY]BENZOATE HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 2PB C7 H5 O5 P 2- FORMUL 3 GOL C3 H8 O3 FORMUL 4 HOH *568(H2 O) HELIX 1 1 ASP A 7 GLN A 21 1 15 HELIX 2 2 VAL A 63 GLU A 78 1 16 HELIX 3 3 SER A 86 LEU A 91 1 6 HELIX 4 4 THR A 101 SER A 107 1 7 HELIX 5 5 TYR A 115 PHE A 120 1 6 HELIX 6 6 GLN A 122 ARG A 131 1 10 HELIX 7 7 SER A 136 LYS A 146 1 11 HELIX 8 8 SER A 160 GLY A 176 1 17 HELIX 9 9 SER A 178 ILE A 187 1 10 HELIX 10 10 ALA A 234 GLY A 238 5 5 HELIX 11 11 SER A 243 SER A 256 1 14 HELIX 12 12 SER A 261 GLN A 269 1 9 HELIX 13 13 ASN A 328 CYS A 344 1 17 SHEET 1 A 8 THR A 35 GLY A 42 0 SHEET 2 A 8 GLY A 25 ASP A 32 -1 N ASP A 32 O THR A 35 SHEET 3 A 8 ARG A 317 ALA A 323 -1 O LEU A 322 N MET A 27 SHEET 4 A 8 TYR A 306 ALA A 311 -1 N TYR A 306 O ALA A 323 SHEET 5 A 8 SER A 294 GLY A 300 -1 N TYR A 296 O ALA A 311 SHEET 6 A 8 ARG A 285 ASP A 288 -1 N ARG A 285 O GLY A 297 SHEET 7 A 8 GLN A 278 TYR A 280 -1 N GLY A 279 O ARG A 286 SHEET 8 A 8 THR A 272 ASN A 275 -1 N THR A 272 O TYR A 280 SHEET 1 B 2 PHE A 58 ARG A 59 0 SHEET 2 B 2 ILE A 241 SER A 242 -1 O SER A 242 N PHE A 58 SHEET 1 C 3 VAL A 224 ASP A 225 0 SHEET 2 C 3 TYR A 213 LEU A 214 -1 N LEU A 214 O VAL A 224 SHEET 3 C 3 THR A 325 SER A 326 1 O SER A 326 N TYR A 213 SSBOND 1 CYS A 291 CYS A 344 1555 1555 2.08 LINK OG SER A 62 P1 2PB A 400 1555 1555 1.68 CISPEP 1 HIS A 200 PRO A 201 0 0.36 SITE 1 AC1 15 GLY A 61 SER A 62 ASP A 98 TYR A 159 SITE 2 AC1 15 ARG A 285 HIS A 298 THR A 299 GLY A 300 SITE 3 AC1 15 THR A 301 VAL A 302 HOH A1115 HOH A1169 SITE 4 AC1 15 HOH A1231 HOH A1471 HOH A1473 SITE 1 AC2 10 SER A 20 LYS A 80 HIS A 177 HOH A1027 SITE 2 AC2 10 HOH A1032 HOH A1054 HOH A1195 HOH A1228 SITE 3 AC2 10 HOH A1346 HOH A1459 CRYST1 50.800 66.700 100.100 90.00 90.00 90.00 P 21 21 21 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 0.019685 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014993 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009990 0.00000