HEADER OXIDOREDUCTASE 21-OCT-04 1XT4 TITLE URATE OXIDASE FROM ASPERGILLUS FLAVUS COMPLEXED WITH GUANINE 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: BAKER'S YEAST; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 4932 KEYWDS OXIDOREDUCTASE, URIC ACID DEGRADATION, DIMERIC BARREL, TUNNEL-SHAPED KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR P.RETAILLEAU,N.COLLOC'H,D.VIVARES,F.BONNETE,B.CASTRO,M.EL HAJJI, AUTHOR 2 T.PRANGE REVDAT 4 25-OCT-23 1XT4 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 1XT4 1 VERSN REVDAT 2 24-FEB-09 1XT4 1 VERSN REVDAT 1 22-MAR-05 1XT4 0 JRNL AUTH P.RETAILLEAU,N.COLLOC'H,D.VIVARES,F.BONNETE,B.CASTRO, JRNL AUTH 2 M.EL HAJJI,T.PRANGE JRNL TITL URATE OXIDASE FROM ASPERGILLUS FLAVUS: NEW CRYSTAL-PACKING JRNL TITL 2 CONTACTS IN RELATION TO THE CONTENT OF THE ACTIVE SITE. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 61 218 2005 JRNL REFN ISSN 0907-4449 JRNL PMID 15735331 JRNL DOI 10.1107/S0907444904031531 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH N.COLLOC'H,M.EL HAJJI,B.BACHET,G.L'HERMITE,M.SCHILTZ, REMARK 1 AUTH 2 B.CASTRO,J.P.MORNON REMARK 1 TITL CRYSTAL STRUCTURE OF THE PROTEIN DRUG URATE REMARK 1 TITL 2 OXIDASE-INHIBITOR COMPLEX AT 2.05 A RESOLUTION REMARK 1 REF NAT.STRUCT.BIOL. V. 4 947 1997 REMARK 1 REFN ISSN 1072-8368 REMARK 1 PMID 9360612 REMARK 1 DOI 10.1038/NSB1197-947 REMARK 2 REMARK 2 RESOLUTION. 2.01 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER-TNT REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SMART,VONRHEIN,WOMACK, REMARK 3 : MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.01 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 25860 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) : NULL REMARK 3 R VALUE (WORKING SET) : 0.169 REMARK 3 FREE R VALUE : 0.213 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2599 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 (ANGSTROMS) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : NULL REMARK 3 BIN R VALUE (WORKING + TEST SET) : 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 : 2362 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 11 REMARK 3 SOLVENT ATOMS : 117 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 33.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.30 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) : 0.205 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : NULL REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : NULL REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : NULL REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : NULL REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : NULL ; NULL ; NULL REMARK 3 BOND ANGLES : NULL ; NULL ; NULL REMARK 3 TORSION ANGLES : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES : NULL ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS : NULL ; NULL ; NULL REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : NULL ; NULL ; NULL REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : NULL ; NULL ; NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.21 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : NULL REMARK 3 OTHER TORSION ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1XT4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 25-OCT-04. REMARK 100 THE DEPOSITION ID IS D_1000030737. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-NOV-03 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 8.0 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 : ENRAF-NONIUS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : OSMIC MIRRORS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26240 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.1 REMARK 200 DATA REDUNDANCY : 5.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.13400 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 13.5000 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) : 2.15 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.28100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 9.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1R51 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.88 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 8.5MG/ML PROTEIN, 0.2MG/ML GUANINE, 5 REMARK 280 -7%(W/V) PEG 8000, 100MM TRIS/HCL, PH 8.0, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 291K 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 39.99200 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 48.22250 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 52.77150 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 39.99200 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 48.22250 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 52.77150 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 39.99200 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 48.22250 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 52.77150 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 39.99200 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 48.22250 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 52.77150 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 BIOLOGICAL ASSEMBLY IS A TETRAMER GENERATED FROM THE REMARK 300 MONOMER IN THE ASYMMETRIC UNIT BY THE OPERATIONS: X, 1-Y, 1-Z, AND REMARK 300 1-X, Y, 1-Z AND 1-X, 1-Y, Z 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 24640 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 44230 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -105.0 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 79.98400 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 96.44500 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -1.000000 0.000000 0.000000 79.98400 REMARK 350 BIOMT2 3 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 -1.000000 105.54300 REMARK 350 BIOMT1 4 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 0.000000 -1.000000 0.000000 96.44500 REMARK 350 BIOMT3 4 0.000000 0.000000 -1.000000 105.54300 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: 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 CYS A 290 CA - CB - SG ANGL. DEV. = 6.7 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 -80.02 -60.71 REMARK 500 HIS A 118 31.08 -156.50 REMARK 500 SER A 124 166.40 79.04 REMARK 500 SER A 226 163.77 177.83 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 GUN A 901 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1R51 RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED WITH ITS INHIBITOR 8-AZAXANTHIN REMARK 900 RELATED ID: 1R4S RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED WITH 9-METHYL URIC ACID REMARK 900 RELATED ID: 1R4U RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED WITH OXONIC ACID DBREF 1XT4 A 1 301 UNP Q00511 URIC_ASPFL 1 301 SEQADV 1XT4 SAC A 1 UNP Q00511 SER 1 MODIFIED RESIDUE SEQRES 1 A 301 SAC 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 MODRES 1XT4 SAC A 1 SER N-ACETYL-SERINE HET SAC A 1 9 HET GUN A 901 11 HETNAM SAC N-ACETYL-SERINE HETNAM GUN GUANINE FORMUL 1 SAC C5 H9 N O4 FORMUL 2 GUN C5 H5 N5 O FORMUL 3 HOH *117(H2 O) HELIX 1 1 ILE A 42 LYS A 48 1 7 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 PRO A 202 ASP A 222 1 21 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 ASN A 100 N CYS A 35 SHEET 4 A 8 LYS A 127 VAL A 135 -1 O VAL A 134 N ALA A 97 SHEET 5 A 8 GLY A 139 LYS A 153 -1 O SER A 145 N ASN A 129 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 249 N THR A 185 SHEET 8 A 8 GLY A 286 GLY A 293 -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 C SAC A 1 N ALA A 2 1555 1555 1.32 CISPEP 1 THR A 74 PRO A 75 0 -8.14 CISPEP 2 ASP A 283 PRO A 284 0 -5.48 SITE 1 AC1 9 ILE A 54 THR A 57 PHE A 159 ARG A 176 SITE 2 AC1 9 SER A 226 VAL A 227 GLN A 228 ASN A 254 SITE 3 AC1 9 HOH A1102 CRYST1 79.984 96.445 105.543 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 0.012502 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010369 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009475 0.00000 HETATM 1 C1A SAC A 1 61.666 57.696 19.880 1.00 57.56 C HETATM 2 C2A SAC A 1 63.021 58.127 19.342 1.00 57.45 C HETATM 3 OAC SAC A 1 61.022 56.682 19.487 1.00 58.53 O HETATM 4 N SAC A 1 61.088 58.511 20.849 1.00 56.09 N HETATM 5 CA SAC A 1 59.792 58.188 21.423 1.00 52.98 C HETATM 6 C SAC A 1 58.748 59.272 21.193 1.00 52.28 C HETATM 7 O SAC A 1 59.090 60.335 20.675 1.00 54.31 O HETATM 8 CB SAC A 1 59.968 57.972 22.917 1.00 52.69 C HETATM 9 OG SAC A 1 60.576 59.099 23.462 1.00 59.83 O