HEADER UNKNOWN FUNCTION 19-SEP-07 2RBK TITLE X-RAY CRYSTALLOGRAPHIC STRUCTURES SHOW CONSERVATION OF A TRIGONAL- TITLE 2 BIPYRAMIDAL INTERMEDIATE IN A PHOSPHORYL-TRANSFER SUPERFAMILY. COMPND MOL_ID: 1; COMPND 2 MOLECULE: PUTATIVE UNCHARACTERIZED PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACTEROIDES THETAIOTAOMICRON; SOURCE 3 ORGANISM_TAXID: 226186; SOURCE 4 STRAIN: VPI-5482; SOURCE 5 GENE: BACTEROIDES THETAIOTAOMICRON; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21DE3PLYSS; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET-3A-HPP KEYWDS HAD-LIKE PHOSPHATASE, UNKNOWN FUNCTION EXPDTA X-RAY DIFFRACTION AUTHOR Z.LU,D.DUNAWAY-MARIANO,K.N.ALLEN REVDAT 5 30-AUG-23 2RBK 1 REMARK LINK REVDAT 4 13-JUL-11 2RBK 1 VERSN REVDAT 3 24-FEB-09 2RBK 1 VERSN REVDAT 2 06-MAY-08 2RBK 1 JRNL REVDAT 1 22-APR-08 2RBK 0 JRNL AUTH Z.LU,D.DUNAWAY-MARIANO,K.N.ALLEN JRNL TITL THE CATALYTIC SCAFFOLD OF THE HALOALKANOIC ACID DEHALOGENASE JRNL TITL 2 ENZYME SUPERFAMILY ACTS AS A MOLD FOR THE TRIGONAL JRNL TITL 3 BIPYRAMIDAL TRANSITION STATE. JRNL REF PROC.NATL.ACAD.SCI.USA V. 105 5687 2008 JRNL REFN ISSN 0027-8424 JRNL PMID 18398008 JRNL DOI 10.1073/PNAS.0710800105 REMARK 2 REMARK 2 RESOLUTION. 1.00 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) : 1.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 88.7 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) : 0.123 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.121 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.148 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 11.100 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 13574 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 135801 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.114 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.140 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 11.100 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 11892 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 106668 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2025 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 466 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2494.0 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 1899.5 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 16 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 23312 REMARK 3 NUMBER OF RESTRAINTS : 28296 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.016 REMARK 3 ANGLE DISTANCES (A) : 0.034 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.028 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.087 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.091 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.022 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.006 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.035 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.115 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 ? REMARK 4 REMARK 4 2RBK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-SEP-07. REMARK 100 THE DEPOSITION ID IS D_1000044661. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-FEB-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 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) : 0.9000 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 136055 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.000 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 (%) : 95.5 REMARK 200 DATA REDUNDANCY : 9.300 REMARK 200 R MERGE (I) : 0.12200 REMARK 200 R SYM (I) : 0.12200 REMARK 200 FOR THE DATA SET : 15.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.04 REMARK 200 COMPLETENESS FOR SHELL (%) : 71.4 REMARK 200 DATA REDUNDANCY IN SHELL : 2.80 REMARK 200 R MERGE FOR SHELL (I) : 0.42300 REMARK 200 R SYM FOR SHELL (I) : 0.02000 REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: AB INITIO REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 1YMQ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.85 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.95 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10 MM MGCL2, 0.2 M AMMONIUM ACETATE, REMARK 280 0.1 M BIS-TRIS (PH=5.5) AND 25% PEG 3350. CRYSTALS WERE SOAKED REMARK 280 WITH 2 MM SODIUM ORTHOVANADATE FOR 2 HOURS BEFORE DATA REMARK 280 COLLECTION., VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K, PH REMARK 280 5.5 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 24.76650 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 47.01300 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.17800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 47.01300 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.76650 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.17800 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 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 V VN4 A 601 O HOH A 686 2.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 204 CD GLU A 204 OE2 0.069 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 ARG A 20 NE - CZ - NH2 ANGL. DEV. = -3.0 DEGREES REMARK 500 ARG A 45 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 ARG A 59 CD - NE - CZ ANGL. DEV. = 8.4 DEGREES REMARK 500 ARG A 59 NE - CZ - NH1 ANGL. DEV. = 7.8 DEGREES REMARK 500 ARG A 59 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 MET A 120 CG - SD - CE ANGL. DEV. = 15.1 DEGREES REMARK 500 MET A 150 CG - SD - CE ANGL. DEV. = 13.9 DEGREES REMARK 500 PHE A 153 CB - CG - CD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 PRO A 176 O - C - N ANGL. DEV. = -11.7 DEGREES REMARK 500 GLU A 204 OE1 - CD - OE2 ANGL. DEV. = 9.4 DEGREES REMARK 500 GLU A 204 CG - CD - OE2 ANGL. DEV. = -15.5 DEGREES REMARK 500 ARG A 220 NE - CZ - NH1 ANGL. DEV. = -3.1 DEGREES REMARK 500 ARG A 220 NE - CZ - NH1 ANGL. DEV. = -3.1 DEGREES REMARK 500 GLN A 230 CB - CG - CD ANGL. DEV. = 18.2 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 9 -69.79 -92.64 REMARK 500 THR A 12 -57.92 -124.61 REMARK 500 TYR A 126 -61.70 -92.25 REMARK 500 PHE A 128 -61.14 -93.68 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 501 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 8 OD1 REMARK 620 2 ASP A 10 O 87.6 REMARK 620 3 ASP A 211 OD1 83.2 88.7 REMARK 620 4 VN4 A 601 O2 91.0 94.2 173.4 REMARK 620 5 HOH A 603 O 90.2 175.7 87.3 89.5 REMARK 620 6 HOH A 605 O 169.9 86.1 88.8 97.2 95.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 VN4 A 601 V REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 8 OD2 REMARK 620 2 VN4 A 601 O1 91.8 REMARK 620 3 VN4 A 601 O2 91.0 120.7 REMARK 620 4 VN4 A 601 O3 107.0 124.5 110.9 REMARK 620 N 1 2 3 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 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE VN4 A 601 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1YMQ RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED WITH METAVANADATE. REMARK 900 RELATED ID: 2RAR RELATED DB: PDB REMARK 900 RELATED ID: 2RAV RELATED DB: PDB REMARK 900 RELATED ID: 2RB5 RELATED DB: PDB DBREF 2RBK A 1 261 UNP Q8A090 Q8A090_BACTN 1 261 SEQRES 1 A 261 MET THR LYS ALA LEU PHE PHE ASP ILE ASP GLY THR LEU SEQRES 2 A 261 VAL SER PHE GLU THR HIS ARG ILE PRO SER SER THR ILE SEQRES 3 A 261 GLU ALA LEU GLU ALA ALA HIS ALA LYS GLY LEU LYS ILE SEQRES 4 A 261 PHE ILE ALA THR GLY ARG PRO LYS ALA ILE ILE ASN ASN SEQRES 5 A 261 LEU SER GLU LEU GLN ASP ARG ASN LEU ILE ASP GLY TYR SEQRES 6 A 261 ILE THR MET ASN GLY ALA TYR CYS PHE VAL GLY GLU GLU SEQRES 7 A 261 VAL ILE TYR LYS SER ALA ILE PRO GLN GLU GLU VAL LYS SEQRES 8 A 261 ALA MET ALA ALA PHE CYS GLU LYS LYS GLY VAL PRO CYS SEQRES 9 A 261 ILE PHE VAL GLU GLU HIS ASN ILE SER VAL CYS GLN PRO SEQRES 10 A 261 ASN GLU MET VAL LYS LYS ILE PHE TYR ASP PHE LEU HIS SEQRES 11 A 261 VAL ASN VAL ILE PRO THR VAL SER PHE GLU GLU ALA SER SEQRES 12 A 261 ASN LYS GLU VAL ILE GLN MET THR PRO PHE ILE THR GLU SEQRES 13 A 261 GLU GLU GLU LYS GLU VAL LEU PRO SER ILE PRO THR CYS SEQRES 14 A 261 GLU ILE GLY ARG TRP TYR PRO ALA PHE ALA ASP VAL THR SEQRES 15 A 261 ALA LYS GLY ASP THR LYS GLN LYS GLY ILE ASP GLU ILE SEQRES 16 A 261 ILE ARG HIS PHE GLY ILE LYS LEU GLU GLU THR MET SER SEQRES 17 A 261 PHE GLY ASP GLY GLY ASN ASP ILE SER MET LEU ARG HIS SEQRES 18 A 261 ALA ALA ILE GLY VAL ALA MET GLY GLN ALA LYS GLU ASP SEQRES 19 A 261 VAL LYS ALA ALA ALA ASP TYR VAL THR ALA PRO ILE ASP SEQRES 20 A 261 GLU ASP GLY ILE SER LYS ALA MET LYS HIS PHE GLY ILE SEQRES 21 A 261 ILE HET MG A 501 1 HET VN4 A 601 4 HETNAM MG MAGNESIUM ION HETNAM VN4 OXIDO(DIOXO)VANADIUM FORMUL 2 MG MG 2+ FORMUL 3 VN4 O3 V 1- FORMUL 4 HOH *466(H2 O) HELIX 1 1 PRO A 22 LYS A 35 1 14 HELIX 2 2 PRO A 46 ILE A 50 5 5 HELIX 3 3 LEU A 53 ARG A 59 1 7 HELIX 4 4 MET A 68 GLY A 70 5 3 HELIX 5 5 PRO A 86 GLY A 101 1 16 HELIX 6 6 ASN A 118 PHE A 125 1 8 HELIX 7 7 SER A 138 ASN A 144 1 7 HELIX 8 8 THR A 155 LEU A 163 1 9 HELIX 9 9 PRO A 164 ILE A 166 5 3 HELIX 10 10 THR A 187 GLY A 200 1 14 HELIX 11 11 LYS A 202 GLU A 204 5 3 HELIX 12 12 GLY A 212 ASN A 214 5 3 HELIX 13 13 ASP A 215 ALA A 222 1 8 HELIX 14 14 LYS A 232 ALA A 239 1 8 HELIX 15 15 PRO A 245 GLU A 248 5 4 HELIX 16 16 ASP A 249 PHE A 258 1 10 SHEET 1 A 8 GLU A 78 LYS A 82 0 SHEET 2 A 8 TYR A 72 VAL A 75 -1 N CYS A 73 O TYR A 81 SHEET 3 A 8 GLY A 64 THR A 67 -1 N TYR A 65 O PHE A 74 SHEET 4 A 8 LYS A 38 ALA A 42 1 N ILE A 41 O ILE A 66 SHEET 5 A 8 ALA A 4 PHE A 7 1 N PHE A 7 O PHE A 40 SHEET 6 A 8 THR A 206 GLY A 210 1 O MET A 207 N PHE A 6 SHEET 7 A 8 ILE A 224 ALA A 227 1 O VAL A 226 N SER A 208 SHEET 8 A 8 TYR A 241 VAL A 242 1 O TYR A 241 N ALA A 227 SHEET 1 B 3 ILE A 112 CYS A 115 0 SHEET 2 B 3 CYS A 104 VAL A 107 -1 N PHE A 106 O SER A 113 SHEET 3 B 3 GLN A 149 PRO A 152 -1 O GLN A 149 N VAL A 107 SHEET 1 C 2 GLU A 170 GLY A 172 0 SHEET 2 C 2 ASP A 180 THR A 182 -1 O ASP A 180 N GLY A 172 LINK OD1 ASP A 8 MG MG A 501 1555 1555 2.06 LINK OD2 ASP A 8 V VN4 A 601 1555 1555 2.02 LINK O ASP A 10 MG MG A 501 1555 1555 2.09 LINK OD1 ASP A 211 MG MG A 501 1555 1555 2.07 LINK MG MG A 501 O2 VN4 A 601 1555 1555 2.06 LINK MG MG A 501 O HOH A 603 1555 1555 2.09 LINK MG MG A 501 O HOH A 605 1555 1555 2.08 SITE 1 AC1 5 ASP A 8 ASP A 10 ASP A 211 HOH A 603 SITE 2 AC1 5 HOH A 605 SITE 1 AC2 10 ASP A 8 ILE A 9 ASP A 10 THR A 43 SITE 2 AC2 10 GLY A 44 TRP A 174 LYS A 188 ASN A 214 SITE 3 AC2 10 HOH A 603 HOH A 686 CRYST1 49.533 56.356 94.026 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 0.020189 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017744 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010635 0.00000