HEADER TRANSFERASE 03-JUL-23 8PNX TITLE CRYSTAL STRUCTURE OF D-AMINO ACID AMINOTRANSFERASE FROM BLASTOCOCCUS TITLE 2 SAXOBSIDENS IN PMP FORM COMPND MOL_ID: 1; COMPND 2 MOLECULE: BRANCHED-CHAIN AMINO ACID AMINOTRANSFERASE/4-AMINO-4- COMPND 3 DEOXYCHORISMATE LYASE; COMPND 4 CHAIN: A; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BLASTOCOCCUS SAXOBSIDENS; SOURCE 3 ORGANISM_TAXID: 138336; SOURCE 4 GENE: BLASA_4517; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS AMINOTRANSFERASE, DAAT, PMP, TRANSAMINASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR I.O.MATYUTA,K.M.BOYKO,A.Y.NIKOLAEVA,S.A.SHILOVA,V.O.POPOV REVDAT 1 10-JUL-24 8PNX 0 JRNL AUTH S.A.SHILOVA,A.Y.NIKOLAEVA,I.O.MATYUTA,K.M.BOYKO,V.O.POPOV, JRNL AUTH 2 E.Y.BEZSUDNOVA JRNL TITL STRUCTURAL DETERMINANTS OF DUAL SUBSTRATE RECOGNITION IN THE JRNL TITL 2 TRANSAMINASE FROM BLASTOCOCCUS SAXOBSIDENS SPECIFIC TO JRNL TITL 3 D-AMINO ACIDS AND R-AMINES JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.80 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.55 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 28882 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) : 0.178 REMARK 3 R VALUE (WORKING SET) : 0.176 REMARK 3 FREE R VALUE : 0.211 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.700 REMARK 3 FREE R VALUE TEST SET COUNT : 1431 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) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.85 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2066 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.19 REMARK 3 BIN R VALUE (WORKING SET) : 0.2190 REMARK 3 BIN FREE R VALUE SET COUNT : 81 REMARK 3 BIN FREE R VALUE : 0.3040 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2020 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 22 REMARK 3 SOLVENT ATOMS : 253 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 10.97 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.32000 REMARK 3 B22 (A**2) : 2.32000 REMARK 3 B33 (A**2) : -4.64000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.024 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.023 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.080 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.524 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.931 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.900 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2167 ; 0.011 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 2097 ; 0.001 ; 0.014 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2985 ; 1.750 ; 1.641 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4800 ; 1.425 ; 1.572 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 296 ; 6.531 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 105 ;28.644 ;18.762 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 311 ;15.966 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 24 ;15.680 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 285 ; 0.083 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2501 ; 0.010 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 498 ; 0.002 ; 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): 1136 ; 1.086 ; 1.081 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1135 ; 1.084 ; 1.080 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1425 ; 1.781 ; 1.618 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1426 ; 1.780 ; 1.619 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1031 ; 1.288 ; 1.195 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1032 ; 1.287 ; 1.196 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1550 ; 2.031 ; 1.750 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 2456 ; 3.675 ;13.391 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 2392 ; 3.546 ;13.075 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 8PNX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-JUL-23. REMARK 100 THE DEPOSITION ID IS D_1292131614. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-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 : 30325 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 20.550 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 15.90 REMARK 200 R MERGE (I) : 0.11100 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 23.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.84 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 12.30 REMARK 200 R MERGE FOR SHELL (I) : 0.46200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> 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 (%): 56.51 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M HEPES PH 7.5, 4 M NACL, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 288K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 17.04800 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 34.09600 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 34.09600 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 17.04800 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: 6690 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21160 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -57.0 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 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -17.04800 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 MET A 1 REMARK 465 ASN A 2 REMARK 465 GLU A 3 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 185 CG - CD - NE ANGL. DEV. = 17.3 DEGREES REMARK 500 ARG A 185 NE - CZ - NH1 ANGL. DEV. = 3.3 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 LEU A 187 -95.22 -107.64 REMARK 500 THR A 191 25.02 -144.51 REMARK 500 VAL A 253 -62.40 -95.90 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 303 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 402 O REMARK 620 2 HOH A 504 O 123.5 REMARK 620 3 HOH A 546 O 100.8 84.8 REMARK 620 4 HOH A 547 O 54.4 73.3 76.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 304 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 431 O REMARK 620 2 HOH A 454 O 107.7 REMARK 620 3 HOH A 531 O 80.7 148.2 REMARK 620 N 1 2 DBREF 8PNX A 1 281 UNP H6RQF3 H6RQF3_BLASD 1 281 SEQRES 1 A 281 MET ASN GLU GLN ARG SER VAL ALA VAL TRP ARG ASP GLY SEQRES 2 A 281 ALA ALA VAL THR VAL PRO ALA HIS GLN PRO VAL VAL THR SEQRES 3 A 281 ALA PHE ASP LEU GLY LEU GLY ARG GLY ASP GLY ILE PHE SEQRES 4 A 281 GLU SER VAL ALA VAL VAL ALA GLY ARG THR PRO HIS LEU SEQRES 5 A 281 ALA ALA HIS LEU THR ARG LEU THR ARG SER ALA ALA LEU SEQRES 6 A 281 LEU GLY LEU PRO ALA PRO GLY ASP GLN ALA TRP MET GLU SEQRES 7 A 281 MET VAL ALA ALA VAL LEU ALA ASP TRP PRO ALA ALA LEU SEQRES 8 A 281 GLU GLY VAL CYS ARG LEU PHE LEU THR ARG GLY LEU GLY SEQRES 9 A 281 ASP GLY THR PRO PRO THR ALA LEU ALA LEU LEU ALA PRO SEQRES 10 A 281 VAL PRO ALA ASP THR LEU ARG GLN ARG ALA GLU GLY ILE SEQRES 11 A 281 SER VAL ALA THR LEU GLY LEU GLY VAL PRO ALA ASP PHE SEQRES 12 A 281 ARG ALA GLY ALA PRO TRP LEU LEU GLY GLY ALA LYS THR SEQRES 13 A 281 LEU SER TYR ALA VAL ASN MET ALA ALA GLN ARG HIS ALA SEQRES 14 A 281 HIS ASP LEU GLY ALA ASP ASP VAL VAL PHE THR SER LEU SEQRES 15 A 281 GLU GLY ARG LEU LEU GLU GLY PRO THR SER THR VAL VAL SEQRES 16 A 281 TRP ALA ALA GLY GLY THR LEU HIS THR PRO PRO VAL GLU SEQRES 17 A 281 THR GLY ILE LEU PRO GLY THR THR GLN ALA ARG LEU PHE SEQRES 18 A 281 THR ALA ALA ALA ALA ASP GLY TRP PRO THR SER VAL THR SEQRES 19 A 281 PRO GLY THR VAL ASP ASP LEU HIS ALA ALA ASP ALA VAL SEQRES 20 A 281 TRP LEU LEU SER GLY VAL ARG GLY ALA ALA VAL VAL HIS SEQRES 21 A 281 THR VAL ASP GLY VAL ARG ARG GLY ASP GLY ASP LEU SER SEQRES 22 A 281 ARG ARG VAL ARG GLU LEU LEU ALA HET PMP A 301 16 HET EDO A 302 4 HET NA A 303 1 HET NA A 304 1 HETNAM PMP 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE HETNAM EDO 1,2-ETHANEDIOL HETNAM NA SODIUM ION HETSYN PMP PYRIDOXAMINE-5'-PHOSPHATE HETSYN EDO ETHYLENE GLYCOL FORMUL 2 PMP C8 H13 N2 O5 P FORMUL 3 EDO C2 H6 O2 FORMUL 4 NA 2(NA 1+) FORMUL 6 HOH *253(H2 O) HELIX 1 AA1 ASP A 29 GLY A 35 1 7 HELIX 2 AA2 HIS A 51 LEU A 66 1 16 HELIX 3 AA3 GLY A 72 ALA A 85 1 14 HELIX 4 AA4 PRO A 119 GLY A 129 1 11 HELIX 5 AA5 PHE A 143 LEU A 151 5 9 HELIX 6 AA6 TYR A 159 GLY A 173 1 15 HELIX 7 AA7 PRO A 206 GLY A 210 5 5 HELIX 8 AA8 GLY A 214 ASP A 227 1 14 HELIX 9 AA9 THR A 237 ALA A 244 1 8 HELIX 10 AB1 LEU A 272 ALA A 281 1 10 SHEET 1 AA1 5 ALA A 14 VAL A 18 0 SHEET 2 AA1 5 SER A 6 ARG A 11 -1 N ARG A 11 O ALA A 14 SHEET 3 AA1 5 THR A 110 PRO A 117 -1 O LEU A 115 N SER A 6 SHEET 4 AA1 5 GLY A 93 THR A 100 -1 N ARG A 96 O LEU A 114 SHEET 5 AA1 5 GLY A 37 VAL A 44 -1 N VAL A 42 O CYS A 95 SHEET 1 AA2 7 ASP A 176 THR A 180 0 SHEET 2 AA2 7 ILE A 130 GLY A 136 1 N ALA A 133 O ASP A 176 SHEET 3 AA2 7 GLY A 255 VAL A 262 1 O VAL A 258 N ILE A 130 SHEET 4 AA2 7 ALA A 246 SER A 251 -1 N LEU A 249 O ALA A 257 SHEET 5 AA2 7 THR A 193 ALA A 198 -1 N THR A 193 O LEU A 250 SHEET 6 AA2 7 THR A 201 THR A 204 -1 O HIS A 203 N TRP A 196 SHEET 7 AA2 7 THR A 231 VAL A 233 1 O SER A 232 N LEU A 202 SHEET 1 AA3 4 ASP A 176 THR A 180 0 SHEET 2 AA3 4 ILE A 130 GLY A 136 1 N ALA A 133 O ASP A 176 SHEET 3 AA3 4 GLY A 255 VAL A 262 1 O VAL A 258 N ILE A 130 SHEET 4 AA3 4 VAL A 265 ARG A 266 -1 O VAL A 265 N VAL A 262 LINK NA NA A 303 O HOH A 402 1555 2545 2.68 LINK NA NA A 303 O HOH A 504 1555 1555 3.08 LINK NA NA A 303 O HOH A 546 1555 1555 2.95 LINK NA NA A 303 O HOH A 547 1555 2545 3.05 LINK NA NA A 304 O HOH A 431 1555 1555 3.04 LINK NA NA A 304 O HOH A 454 1555 1555 3.04 LINK NA NA A 304 O HOH A 531 1555 1555 2.79 CRYST1 105.437 105.437 51.144 90.00 90.00 120.00 P 31 2 1 6 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 0.009484 0.005476 0.000000 0.00000 SCALE2 0.000000 0.010952 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019553 0.00000