HEADER OXIDOREDUCTASE 06-DEC-07 3BK8 TITLE URATE OXIDASE AZA-XANTHINE COMPLEX IN CYANIDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: URICASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: URATE OXIDASE; COMPND 5 EC: 1.7.3.3; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ASPERGILLUS FLAVUS; SOURCE 3 ORGANISM_TAXID: 5059; SOURCE 4 EXPRESSION_SYSTEM: SACCHAROMYCES CEREVISIAE; SOURCE 5 EXPRESSION_SYSTEM_COMMON: YEAST; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 4932 KEYWDS URIC ACID, CYANIDE, INHIBITION, DEGRADATION MECHANISM, ACETYLATION, KEYWDS 2 OXIDOREDUCTASE, PEROXISOME, PURINE METABOLISM EXPDTA X-RAY DIFFRACTION AUTHOR L.GABISON,T.PRANGE,N.COLLOC'H,M.EL HAJJI,B.CASTRO,M.CHIADMI REVDAT 3 25-OCT-17 3BK8 1 REMARK REVDAT 2 24-FEB-09 3BK8 1 VERSN REVDAT 1 12-AUG-08 3BK8 0 JRNL AUTH L.GABISON,T.PRANGE,N.COLLOC'H,M.EL HAJJI,B.CASTRO,M.CHIADMI JRNL TITL STRUCTURAL ANALYSIS OF URATE OXIDASE IN COMPLEX WITH ITS JRNL TITL 2 NATURAL SUBSTRATE INHIBITED BY CYANIDE: MECHANISTIC JRNL TITL 3 IMPLICATIONS JRNL REF BMC STRUCT.BIOL. V. 8 32 2008 JRNL REFN ESSN 1472-6807 JRNL PMID 18638417 JRNL DOI 10.1186/1472-6807-8-32 REMARK 2 REMARK 2 RESOLUTION. 1.60 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 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) : 0.203 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.200 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.230 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 8.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 4136 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 51797 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.210 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.202 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.223 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 8.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 4040 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 50567 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2359 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 280 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2651.0 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 5 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 10659 REMARK 3 NUMBER OF RESTRAINTS : 9805 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.015 REMARK 3 ANGLE DISTANCES (A) : 0.028 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.028 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.047 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.048 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.061 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.059 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: NULL REMARK 4 REMARK 4 3BK8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 10-DEC-07. REMARK 100 THE DEPOSITION ID IS D_1000045622. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-MAY-07 REMARK 200 TEMPERATURE (KELVIN) : 290 REMARK 200 PH : 10.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM14 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.978 REMARK 200 MONOCHROMATOR : SI 111 REMARK 200 OPTICS : BENT MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : MOSFLM REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 50567 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 4.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : 4.300 REMARK 200 R MERGE (I) : 0.05500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 22.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.70 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.80 REMARK 200 R MERGE FOR SHELL (I) : 0.21030 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: FFT REMARK 200 STARTING MODEL: PDB ENTRY 2ICQ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.35 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.88 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 8.5MG/ML URATE OXIDASE, 0.2 M SODIUM REMARK 280 CYANIDE, 50MM TRIS BUFFER, 0.5MG/ML 8-AZAXANTHINE, 15% PEG 8000 , REMARK 280 PH 10.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2 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,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 39.85900 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 47.55250 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 51.97850 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 39.85900 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 47.55250 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 51.97850 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 39.85900 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 47.55250 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 51.97850 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 39.85900 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 47.55250 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 51.97850 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 24910 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 43290 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -152.0 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 79.71800 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 95.10500 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -1.000000 0.000000 0.000000 79.71800 REMARK 350 BIOMT2 3 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 -1.000000 103.95700 REMARK 350 BIOMT1 4 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 0.000000 -1.000000 0.000000 95.10500 REMARK 350 BIOMT3 4 0.000000 0.000000 -1.000000 103.95700 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 517 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 537 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 SER A 296 REMARK 465 LEU A 297 REMARK 465 LYS A 298 REMARK 465 SER A 299 REMARK 465 LYS A 300 REMARK 465 LEU A 301 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O ASP A 123 O ASP A 123 4566 2.02 REMARK 500 REMARK 500 REMARK: NULL 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 TYR A 16 CB - CG - CD1 ANGL. DEV. = 4.7 DEGREES REMARK 500 PHE A 159 CB - CG - CD1 ANGL. DEV. = -4.3 DEGREES REMARK 500 CYS A 290 CA - CB - SG ANGL. DEV. = 7.9 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 LYS A 23 -79.10 -76.13 REMARK 500 LYS A 48 23.47 -140.59 REMARK 500 HIS A 118 25.02 -156.10 REMARK 500 ASP A 165 -158.92 -147.12 REMARK 500 SER A 226 164.48 177.25 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 NA A 302 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ILE A 88 O REMARK 620 2 TYR A 91 O 91.6 REMARK 620 3 ILE A 94 O 103.0 88.8 REMARK 620 4 GLU A 136 OE1 100.5 166.9 83.7 REMARK 620 5 HOH A 551 O 80.0 92.8 176.5 94.1 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AZA A 303 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3BJP RELATED DB: PDB REMARK 900 URATE OXIDASE CYANIDE URIC ACID TERNARY COMPLEX REMARK 900 RELATED ID: 1R51 RELATED DB: PDB REMARK 900 URATE OXIDASE COMPLEXED WITH 8-AZAXANTHINE REMARK 900 RELATED ID: 2IBA RELATED DB: PDB REMARK 900 URATE OXIDASE COMPLEXED WITH 8-AZAXANTHINE DBREF 3BK8 A 1 301 UNP Q00511 URIC_ASPFL 2 302 SEQRES 1 A 301 SER ALA VAL LYS ALA ALA ARG TYR GLY LYS ASP ASN VAL SEQRES 2 A 301 ARG VAL TYR LYS VAL HIS LYS ASP GLU LYS THR GLY VAL SEQRES 3 A 301 GLN THR VAL TYR GLU MET THR VAL CYS VAL LEU LEU GLU SEQRES 4 A 301 GLY GLU ILE GLU THR SER TYR THR LYS ALA ASP ASN SER SEQRES 5 A 301 VAL ILE VAL ALA THR ASP SER ILE LYS ASN THR ILE TYR SEQRES 6 A 301 ILE THR ALA LYS GLN ASN PRO VAL THR PRO PRO GLU LEU SEQRES 7 A 301 PHE GLY SER ILE LEU GLY THR HIS PHE ILE GLU LYS TYR SEQRES 8 A 301 ASN HIS ILE HIS ALA ALA HIS VAL ASN ILE VAL CYS HIS SEQRES 9 A 301 ARG TRP THR ARG MET ASP ILE ASP GLY LYS PRO HIS PRO SEQRES 10 A 301 HIS SER PHE ILE ARG ASP SER GLU GLU LYS ARG ASN VAL SEQRES 11 A 301 GLN VAL ASP VAL VAL GLU GLY LYS GLY ILE ASP ILE LYS SEQRES 12 A 301 SER SER LEU SER GLY LEU THR VAL LEU LYS SER THR ASN SEQRES 13 A 301 SER GLN PHE TRP GLY PHE LEU ARG ASP GLU TYR THR THR SEQRES 14 A 301 LEU LYS GLU THR TRP ASP ARG ILE LEU SER THR ASP VAL SEQRES 15 A 301 ASP ALA THR TRP GLN TRP LYS ASN PHE SER GLY LEU GLN SEQRES 16 A 301 GLU VAL ARG SER HIS VAL PRO LYS PHE ASP ALA THR TRP SEQRES 17 A 301 ALA THR ALA ARG GLU VAL THR LEU LYS THR PHE ALA GLU SEQRES 18 A 301 ASP ASN SER ALA SER VAL GLN ALA THR MET TYR LYS MET SEQRES 19 A 301 ALA GLU GLN ILE LEU ALA ARG GLN GLN LEU ILE GLU THR SEQRES 20 A 301 VAL GLU TYR SER LEU PRO ASN LYS HIS TYR PHE GLU ILE SEQRES 21 A 301 ASP LEU SER TRP HIS LYS GLY LEU GLN ASN THR GLY LYS SEQRES 22 A 301 ASN ALA GLU VAL PHE ALA PRO GLN SER ASP PRO ASN GLY SEQRES 23 A 301 LEU ILE LYS CYS THR VAL GLY ARG SER SER LEU LYS SER SEQRES 24 A 301 LYS LEU HET NA A 302 1 HET AZA A 303 11 HETNAM NA SODIUM ION HETNAM AZA 8-AZAXANTHINE FORMUL 2 NA NA 1+ FORMUL 3 AZA C4 H3 N5 O2 FORMUL 4 HOH *280(H2 O) HELIX 1 1 ILE A 42 ALA A 49 1 8 HELIX 2 2 ASP A 50 ILE A 54 5 5 HELIX 3 3 ALA A 56 ASN A 71 1 16 HELIX 4 4 PRO A 75 TYR A 91 1 17 HELIX 5 5 GLY A 193 HIS A 200 1 8 HELIX 6 6 HIS A 200 ASP A 222 1 23 HELIX 7 7 SER A 226 GLN A 242 1 17 HELIX 8 8 THR A 271 ALA A 275 5 5 SHEET 1 A 8 TYR A 8 LYS A 20 0 SHEET 2 A 8 GLN A 27 GLY A 40 -1 O LEU A 38 N TYR A 8 SHEET 3 A 8 ILE A 94 HIS A 104 -1 O HIS A 98 N LEU A 37 SHEET 4 A 8 LYS A 127 VAL A 135 -1 O VAL A 132 N VAL A 99 SHEET 5 A 8 ILE A 140 LYS A 153 -1 O ASP A 141 N ASP A 133 SHEET 6 A 8 LEU A 178 TRP A 188 -1 O VAL A 182 N LEU A 149 SHEET 7 A 8 ILE A 245 ASN A 254 -1 O GLU A 246 N GLN A 187 SHEET 8 A 8 GLY A 286 VAL A 292 -1 O ILE A 288 N LEU A 252 SHEET 1 B 2 THR A 107 ILE A 111 0 SHEET 2 B 2 LYS A 114 ILE A 121 -1 O HIS A 116 N MET A 109 SHEET 1 C 2 TYR A 257 GLU A 259 0 SHEET 2 C 2 PHE A 278 PRO A 280 -1 O ALA A 279 N PHE A 258 LINK O ILE A 88 NA NA A 302 1555 1555 2.49 LINK O TYR A 91 NA NA A 302 1555 1555 2.48 LINK O ILE A 94 NA NA A 302 1555 1555 2.48 LINK OE1 GLU A 136 NA NA A 302 1555 1555 2.50 LINK NA NA A 302 O HOH A 551 1555 1555 2.50 CISPEP 1 THR A 74 PRO A 75 0 -7.10 CISPEP 2 ASP A 283 PRO A 284 0 -5.80 SITE 1 AC1 6 ILE A 88 TYR A 91 ASN A 92 ILE A 94 SITE 2 AC1 6 GLU A 136 HOH A 551 SITE 1 AC2 10 TYR A 8 ILE A 54 ALA A 56 THR A 57 SITE 2 AC2 10 PHE A 159 ARG A 176 SER A 226 GLN A 228 SITE 3 AC2 10 ASN A 254 HOH A 401 CRYST1 79.718 95.105 103.957 90.00 90.00 90.00 I 2 2 2 8 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 0.012544 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010515 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009619 0.00000