HEADER TRANSFERASE 01-DEC-23 8RAF TITLE CRYSTAL STRUCTURE OF D-AMINO ACID TRANSAMINASE FROM HALISCOMENOBACTER TITLE 2 HYDROSSIS POINT MUTANT R90I (HOLO FORM) 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, POINT MUTANT, AMINOTRANSFERASE, TRANSAMINASE, HALISCOMENOBACTER KEYWDS 2 HYDROSSIS, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR I.O.MATYUTA,A.K.BAKUNOVA,M.E.MINYAEV,V.O.POPOV,E.Y.BEZSUDNOVA, AUTHOR 2 K.M.BOYKO REVDAT 3 08-MAY-24 8RAF 1 JRNL REVDAT 2 01-MAY-24 8RAF 1 JRNL REVDAT 1 27-DEC-23 8RAF 0 JRNL AUTH A.K.BAKUNOVA,I.O.MATYUTA,M.E.MINYAEV,T.Y.ISAIKINA,K.M.BOYKO, JRNL AUTH 2 V.O.POPOV,E.Y.BEZSUDNOVA JRNL TITL MULTIFUNCTIONALITY OF ARGININE RESIDUES IN THE ACTIVE SITES JRNL TITL 2 OF NON-CANONICAL D-AMINO ACID TRANSAMINASES. JRNL REF ARCH.BIOCHEM.BIOPHYS. V. 756 10011 2024 JRNL REFN ESSN 1096-0384 JRNL PMID 38649133 JRNL DOI 10.1016/J.ABB.2024.110011 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) : 21.77 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 3 NUMBER OF REFLECTIONS : 19891 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) : 0.196 REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.236 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1097 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) : 1379 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.72 REMARK 3 BIN R VALUE (WORKING SET) : 0.2190 REMARK 3 BIN FREE R VALUE SET COUNT : 75 REMARK 3 BIN FREE R VALUE : 0.2840 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2255 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 15 REMARK 3 SOLVENT ATOMS : 187 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.53 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.36000 REMARK 3 B22 (A**2) : -0.76000 REMARK 3 B33 (A**2) : 2.31000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.92000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.198 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.171 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.134 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.901 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.935 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.904 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2347 ; 0.012 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 2226 ; 0.001 ; 0.015 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3191 ; 1.819 ; 1.645 REMARK 3 BOND ANGLES OTHERS (DEGREES): 5097 ; 1.411 ; 1.574 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 286 ; 7.329 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 135 ;31.312 ;21.704 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 397 ;14.401 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 19 ;21.122 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 309 ; 0.082 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2678 ; 0.010 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 575 ; 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): 1132 ; 1.245 ; 1.368 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1131 ; 1.241 ; 1.366 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1416 ; 1.880 ; 2.042 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1417 ; 1.880 ; 2.044 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1215 ; 1.908 ; 1.641 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1212 ; 1.910 ; 1.643 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1774 ; 3.005 ; 2.376 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 2723 ; 4.361 ;16.860 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 2689 ; 4.281 ;16.668 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 8RAF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 01-DEC-23. REMARK 100 THE DEPOSITION ID IS D_1292134974. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-DEC-22 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL 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) : 1.54184 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 : 21132 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 21.770 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 6.400 REMARK 200 R MERGE (I) : 0.16300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.0000 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 : 5.20 REMARK 200 R MERGE FOR SHELL (I) : 0.38800 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: REFMAC REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 45% (V/V) TACSIMATE, 50 MM BISTRIS REMARK 280 BUFFER, PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 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 42.69600 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 36.31350 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 42.69600 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 36.31350 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 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 75.60245 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 51.31862 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 GLY A -1 REMARK 465 HIS A 0 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 LYS A 261 CD CE NZ REMARK 470 LYS A 275 CE NZ REMARK 470 GLU A 279 CD OE1 OE2 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 152 CG - CD - NE ANGL. DEV. = -13.8 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 TYR A 102 -51.60 -159.43 REMARK 500 VAL A 105 -153.42 -128.02 REMARK 500 PHE A 135 148.47 -177.39 REMARK 500 ASP A 169 109.65 -57.42 REMARK 500 ARG A 175 -87.96 -114.00 REMARK 500 ASN A 189 2.91 81.67 REMARK 500 ASP A 250 -115.24 52.63 REMARK 500 REMARK 500 REMARK: NULL DBREF 8RAF A 1 281 UNP F4KWH0 F4KWH0_HALH1 1 281 SEQADV 8RAF GLY A -1 UNP F4KWH0 EXPRESSION TAG SEQADV 8RAF HIS A 0 UNP F4KWH0 EXPRESSION TAG SEQADV 8RAF ILE A 90 UNP F4KWH0 ARG 90 ENGINEERED MUTATION 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 ILE 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 PLP A 301 15 HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 2 PLP C8 H10 N O6 P FORMUL 3 HOH *187(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 TYR A 147 MET A 153 1 7 HELIX 6 AA6 MET A 153 ARG A 160 1 8 HELIX 7 AA7 GLN A 170 GLU A 172 5 3 HELIX 8 AA8 GLY A 201 ALA A 214 1 14 HELIX 9 AA9 HIS A 224 ALA A 231 5 8 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 VAL A 92 O LEU A 110 SHEET 5 AA1 6 GLY A 31 ARG A 39 -1 N ASP A 34 O LEU A 91 SHEET 6 AA1 6 HIS A 42 PRO A 43 -1 O HIS A 42 N ARG A 39 SHEET 1 AA2 8 TRP A 173 ILE A 174 0 SHEET 2 AA2 8 ASP A 164 ASP A 169 -1 N ASP A 169 O TRP A 173 SHEET 3 AA2 8 ILE A 128 PRO A 134 1 N HIS A 133 O VAL A 168 SHEET 4 AA2 8 GLY A 242 ILE A 249 1 O ALA A 245 N ILE A 128 SHEET 5 AA2 8 GLU A 233 SER A 238 -1 N PHE A 236 O MET A 244 SHEET 6 AA2 8 ASN A 181 VAL A 185 -1 N PHE A 183 O PHE A 235 SHEET 7 AA2 8 ILE A 191 THR A 193 -1 O VAL A 192 N LEU A 184 SHEET 8 AA2 8 VAL A 218 GLU A 220 1 O GLU A 219 N ILE A 191 SHEET 1 AA3 5 TRP A 173 ILE A 174 0 SHEET 2 AA3 5 ASP A 164 ASP A 169 -1 N ASP A 169 O TRP A 173 SHEET 3 AA3 5 ILE A 128 PRO A 134 1 N HIS A 133 O VAL A 168 SHEET 4 AA3 5 GLY A 242 ILE A 249 1 O ALA A 245 N ILE A 128 SHEET 5 AA3 5 ARG A 252 VAL A 253 -1 O ARG A 252 N ILE A 249 LINK NZ LYS A 143 C4A PLP A 301 1555 1555 1.32 CRYST1 85.392 72.627 52.244 90.00 100.80 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 0.011711 0.000000 0.002233 0.00000 SCALE2 0.000000 0.013769 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019486 0.00000