HEADER TRANSFERASE 21-MAR-24 8YRU TITLE CRYSTAL STRUCTURE OF D-AMINO ACID TRANSAMINASE FROM HALISCOMENOBACTER TITLE 2 HYDROSSIS (APO FORM) AFTER 15 SEC OF SOAKING WITH PHENYLHYDRAZINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: AMINOTRANSFERASE CLASS IV; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HALISCOMENOBACTER HYDROSSIS DSM 1100; SOURCE 3 ORGANISM_TAXID: 760192; SOURCE 4 GENE: HALHY_2446; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS DAAT, APO FORM, TRANSAMINASE, AMINOTRANSFERASE, D-AMINO ACID, KEYWDS 2 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR I.O.MATYUTA,A.K.BAKUNOVA,M.E.MINYAEV,V.O.POPOV,K.M.BOYKO REVDAT 2 30-OCT-24 8YRU 1 JRNL REVDAT 1 17-APR-24 8YRU 0 JRNL AUTH A.K.BAKUNOVA,I.O.MATYUTA,M.E.MINYAEV,K.M.BOYKO,V.O.POPOV, JRNL AUTH 2 E.Y.BEZSUDNOVA JRNL TITL INCORPORATION OF PYRIDOXAL-5'-PHOSPHATE INTO THE APOENZYME: JRNL TITL 2 A STRUCTURAL STUDY OF D-AMINO ACID TRANSAMINASE FROM JRNL TITL 3 HALISCOMENOBACTER HYDROSSIS. JRNL REF BIOCHIM BIOPHYS ACTA V.1873 41056 2024 JRNL REF 2 PROTEINS PROTEOM JRNL REFN ISSN 1878-1454 JRNL PMID 39406293 JRNL DOI 10.1016/J.BBAPAP.2024.141056 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0267 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) : 21.43 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 3 NUMBER OF REFLECTIONS : 20260 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) : 0.179 REMARK 3 R VALUE (WORKING SET) : 0.177 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1071 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) : 1332 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 89.93 REMARK 3 BIN R VALUE (WORKING SET) : 0.2500 REMARK 3 BIN FREE R VALUE SET COUNT : 61 REMARK 3 BIN FREE R VALUE : 0.2720 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2148 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 27 REMARK 3 SOLVENT ATOMS : 124 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.82 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.30000 REMARK 3 B22 (A**2) : -0.03000 REMARK 3 B33 (A**2) : -0.06000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.53000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.166 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.160 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.113 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.080 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.957 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.919 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2244 ; 0.012 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 2110 ; 0.002 ; 0.015 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3045 ; 1.799 ; 1.646 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4822 ; 1.378 ; 1.576 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 275 ; 7.419 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 131 ;28.345 ;20.992 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 369 ;15.379 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 21 ;19.802 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 293 ; 0.076 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2565 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 556 ; 0.001 ; 0.020 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): 1089 ; 2.827 ; 2.739 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1087 ; 2.821 ; 2.737 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1358 ; 4.106 ; 4.086 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1359 ; 4.106 ; 4.088 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1155 ; 3.595 ; 3.186 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1156 ; 3.593 ; 3.185 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1686 ; 5.393 ; 4.649 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 2490 ; 7.369 ;32.586 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 2474 ; 7.347 ;32.491 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 : 1.20 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 8YRU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 22-MAR-24. REMARK 100 THE DEPOSITION ID IS D_1300046252. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-JUN-23 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 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 : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : RIGAKU HYPIX-6000HE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSALISPRO REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21346 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 21.430 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 5.600 REMARK 200 R MERGE (I) : 0.08300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.8000 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) : 2.05 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 4.60 REMARK 200 R MERGE FOR SHELL (I) : 0.54600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.49 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 45% V/V TACSIMATE PH 7.0, 0.1 M BIS REMARK 280 -TRIS PROPANE PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 288K 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 43.74500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.89000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 43.74500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 35.89000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3590 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23910 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -19.0 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 77.77267 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 51.32929 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 GLN A 136 REMARK 465 ARG A 137 REMARK 465 GLU A 138 REMARK 465 LEU A 139 REMARK 465 PRO A 140 REMARK 465 GLU A 141 REMARK 465 VAL A 142 REMARK 465 LYS A 143 REMARK 465 THR A 144 REMARK 465 ILE A 145 REMARK 465 ASN A 146 REMARK 465 TYR A 147 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 GLN A 10 CG CD OE1 NE2 REMARK 470 PHE A 135 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS A 155 CG CD CE NZ REMARK 470 LYS A 158 CD CE NZ REMARK 470 GLN A 170 CG CD OE1 NE2 REMARK 470 LYS A 197 CG CD CE NZ REMARK 470 ILE A 198 CG1 CG2 CD1 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 TYR A 102 -37.85 -147.88 REMARK 500 ASN A 106 95.55 167.74 REMARK 500 LYS A 155 -71.50 -56.45 REMARK 500 GLN A 170 29.95 49.40 REMARK 500 ASN A 189 15.35 80.72 REMARK 500 LEU A 199 99.93 -65.93 REMARK 500 TRP A 200 -77.04 -98.90 REMARK 500 ASP A 250 -107.44 58.15 REMARK 500 REMARK 500 REMARK: NULL DBREF 8YRU A 1 281 UNP F4KWH0 F4KWH0_HALH1 1 281 SEQADV 8YRU GLY A -1 UNP F4KWH0 EXPRESSION TAG SEQADV 8YRU HIS A 0 UNP F4KWH0 EXPRESSION TAG SEQRES 1 A 283 GLY HIS MET ILE LYS TYR TYR ASN ILE ASN GLY GLN GLN SEQRES 2 A 283 VAL PRO VAL GLU ASN ALA THR LEU HIS VAL SER ASP LEU SEQRES 3 A 283 SER ILE LEU ARG GLY TYR GLY ILE PHE ASP TYR PHE LEU SEQRES 4 A 283 ALA ARG GLU GLY HIS PRO LEU PHE LEU ASP ASP TYR LEU SEQRES 5 A 283 ASN ARG PHE TYR ARG SER ALA ALA GLU LEU TYR LEU GLU SEQRES 6 A 283 ILE PRO PHE ASP LYS ALA GLU LEU ARG ARG GLN ILE TYR SEQRES 7 A 283 ALA LEU LEU GLN ALA ASN GLU VAL ARG GLU ALA GLY ILE SEQRES 8 A 283 ARG LEU VAL LEU THR GLY GLY TYR SER PRO ASP GLY TYR SEQRES 9 A 283 THR PRO VAL ASN PRO ASN LEU LEU ILE MET MET TYR ASP SEQRES 10 A 283 LEU PRO ALA SER ALA TRP GLU PHE SER ALA GLN GLY ILE SEQRES 11 A 283 LYS ILE ILE THR HIS PRO PHE GLN ARG GLU LEU PRO GLU SEQRES 12 A 283 VAL LYS THR ILE ASN TYR SER THR GLY ILE ARG MET LEU SEQRES 13 A 283 LYS THR ILE LYS GLU ARG GLY ALA THR ASP LEU ILE TYR SEQRES 14 A 283 VAL ASP GLN GLY GLU TRP ILE ARG GLU SER ALA ARG SER SEQRES 15 A 283 ASN PHE PHE LEU VAL MET PRO ASP ASN THR ILE VAL THR SEQRES 16 A 283 ALA ASP GLU LYS ILE LEU TRP GLY ILE THR ARG ARG GLN SEQRES 17 A 283 VAL ILE ASP ALA ALA ARG GLU ALA GLY TYR ALA VAL GLU SEQRES 18 A 283 GLU ARG ARG ILE HIS ILE THR GLU LEU ASP GLN ALA ARG SEQRES 19 A 283 GLU ALA PHE PHE THR SER THR ILE LYS GLY VAL MET ALA SEQRES 20 A 283 ILE GLY GLN ILE ASP ASP ARG VAL PHE GLY ASP GLY THR SEQRES 21 A 283 ILE GLY LYS VAL THR GLN GLU LEU GLN ASP LEU PHE VAL SEQRES 22 A 283 GLY LYS VAL LYS ALA TYR LEU GLU THR CYS HET ACT A 301 4 HET ZXN A 302 23 HETNAM ACT ACETATE ION HETNAM ZXN [6-METHYL-5-OXIDANYL-4-[(2-PHENYLHYDRAZINYL) HETNAM 2 ZXN METHYL]PYRIDIN-3-YL]METHYL DIHYDROGEN PHOSPHATE FORMUL 2 ACT C2 H3 O2 1- FORMUL 3 ZXN C14 H16 N3 O5 P FORMUL 4 HOH *124(H2 O) HELIX 1 AA1 GLU A 15 ALA A 17 5 3 HELIX 2 AA2 ASP A 23 GLY A 29 1 7 HELIX 3 AA3 PHE A 45 LEU A 60 1 16 HELIX 4 AA4 ASP A 67 GLU A 83 1 17 HELIX 5 AA5 PRO A 117 GLU A 122 5 6 HELIX 6 AA6 THR A 149 MET A 153 1 5 HELIX 7 AA7 MET A 153 ARG A 160 1 8 HELIX 8 AA8 GLY A 201 ALA A 214 1 14 HELIX 9 AA9 THR A 226 GLN A 230 5 5 HELIX 10 AB1 GLY A 260 THR A 280 1 21 SHEET 1 AA1 6 GLN A 10 PRO A 13 0 SHEET 2 AA1 6 TYR A 4 ILE A 7 -1 N TYR A 5 O VAL A 12 SHEET 3 AA1 6 LEU A 109 TYR A 114 -1 O ILE A 111 N ASN A 6 SHEET 4 AA1 6 ALA A 87 THR A 94 -1 N ARG A 90 O MET A 112 SHEET 5 AA1 6 GLY A 31 ARG A 39 -1 N PHE A 36 O ILE A 89 SHEET 6 AA1 6 HIS A 42 PRO A 43 -1 O HIS A 42 N ARG A 39 SHEET 1 AA2 9 VAL A 218 GLU A 220 0 SHEET 2 AA2 9 ILE A 191 THR A 193 1 N ILE A 191 O GLU A 219 SHEET 3 AA2 9 ASN A 181 VAL A 185 -1 N LEU A 184 O VAL A 192 SHEET 4 AA2 9 GLU A 233 SER A 238 -1 O THR A 237 N ASN A 181 SHEET 5 AA2 9 GLY A 242 ILE A 249 -1 O MET A 244 N PHE A 236 SHEET 6 AA2 9 ILE A 128 PRO A 134 1 N ILE A 130 O GLN A 248 SHEET 7 AA2 9 ASP A 164 ASP A 169 1 O VAL A 168 N HIS A 133 SHEET 8 AA2 9 TRP A 173 ARG A 175 -1 O ARG A 175 N TYR A 167 SHEET 9 AA2 9 ILE A 223 HIS A 224 -1 O ILE A 223 N ILE A 174 SHEET 1 AA3 6 VAL A 218 GLU A 220 0 SHEET 2 AA3 6 ILE A 191 THR A 193 1 N ILE A 191 O GLU A 219 SHEET 3 AA3 6 ASN A 181 VAL A 185 -1 N LEU A 184 O VAL A 192 SHEET 4 AA3 6 GLU A 233 SER A 238 -1 O THR A 237 N ASN A 181 SHEET 5 AA3 6 GLY A 242 ILE A 249 -1 O MET A 244 N PHE A 236 SHEET 6 AA3 6 ARG A 252 VAL A 253 -1 O ARG A 252 N ILE A 249 CRYST1 87.490 71.780 52.241 90.00 100.72 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 0.011430 0.000000 0.002165 0.00000 SCALE2 0.000000 0.013931 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019482 0.00000