PDB Short entry for 1BT4 HEADER TRANSFERASE 02-SEP-98 1BT4 TITLE PHOSPHOSERINE AMINOTRANSFERASE FROM BACILLUS CIRCULANS SUBSP. TITLE 2 ALKALOPHILUS COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOSERINE AMINOTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: ONE COMPLETE SUBUNIT; COMPND 5 SYNONYM: PHOSPHOHYDROXYTHREONINE AMINOTRANSFERASE, PSAT; COMPND 6 EC: 2.6.1.52; COMPND 7 MUTATION: YES; COMPND 8 OTHER_DETAILS: THE COFACTOR PYRIDOXAL-5'-PHOSPHATE IS COVALENTLY COMPND 9 LINKED TO THE SIDE CHAIN OF LYS 197 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS CIRCULANS; SOURCE 3 ORGANISM_TAXID: 1397; SOURCE 4 STRAIN: SUBSP. ALKALOPHILUS; SOURCE 5 VARIANT: ALKALOPHILUS; SOURCE 6 ATCC: ATCC 21783; SOURCE 7 COLLECTION: ATCC 21783 KEYWDS AMINOTRANSFERASE, PYRIDOXAL-5'-PHOSPHATE, PHOSPHOSERINE, KEYWDS 2 ALKALIPHILIC, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR G.HESTER,T.N.LUONG,M.MOSER,J.N.JANSONIUS REVDAT 7 09-AUG-23 1BT4 1 REMARK SEQADV LINK REVDAT 6 04-OCT-17 1BT4 1 REMARK REVDAT 5 10-FEB-16 1BT4 1 COMPND SEQADV SEQRES REVDAT 4 13-JUL-11 1BT4 1 VERSN REVDAT 3 24-FEB-09 1BT4 1 VERSN REVDAT 2 29-DEC-99 1BT4 4 HEADER COMPND REMARK JRNL REVDAT 2 2 4 ATOM SOURCE SEQRES REVDAT 1 09-SEP-98 1BT4 0 JRNL AUTH G.HESTER,T.N.LUONG,M.MOSER,J.N.JANSONIUS JRNL TITL THE CRYSTAL STRUCTURE OF PHOSPHOSERINE AMINOTRANSFERASE FROM JRNL TITL 2 BACILLUS CIRCULANS SUBSP. ALKALOPHILUS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.MOSER,R.MULLER,N.BATTCHIKOVA,M.KOIVULEHTO,T.KORPELA, REMARK 1 AUTH 2 J.N.JANSONIUS REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY ANALYSIS OF REMARK 1 TITL 2 PHOSPHOSERINE AMINOTRANSFERASE FROM BACILLUS CIRCULANS REMARK 1 TITL 3 SUBSP. ALKALOPHILUS REMARK 1 REF PROTEIN SCI. V. 5 1426 1996 REMARK 1 REFN ISSN 0961-8368 REMARK 1 REFERENCE 2 REMARK 1 AUTH N.BATTCHIKOVA,J.-P.HIMANEN,M.AHJOLAHTI,T.KORPELA REMARK 1 TITL PHOSPHOSERINE AMINOTRANSFERASE FROM BACILLUS CIRCULANS REMARK 1 TITL 2 SUBSP. ALKALOPHILUS: PURIFICATION, GENE CLONING AND REMARK 1 TITL 3 SEQUENCING REMARK 1 REF BIOCHIM.BIOPHYS.ACTA V.1295 187 1996 REMARK 1 REFN ISSN 0006-3002 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.30 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 16466 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 SET) : 0.184 REMARK 3 FREE R VALUE : 0.246 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 843 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 15 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.35 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 985 REMARK 3 BIN R VALUE (WORKING SET) : 0.2590 REMARK 3 BIN FREE R VALUE : 0.3790 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 6.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 65 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.047 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2800 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 15 REMARK 3 SOLVENT ATOMS : 98 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.24 REMARK 3 ESD FROM SIGMAA (A) : 0.24 REMARK 3 LOW RESOLUTION CUTOFF (A) : 30.0 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.33 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.29 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.180 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : GROUP REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PARHCSDX.P REMARK 3 PARAMETER FILE 2 : PARAM19.SO REMARK 3 PARAMETER FILE 3 : PLP.PAR_O REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.P REMARK 3 TOPOLOGY FILE 2 : TOP REMARK 3 TOPOLOGY FILE 3 : PLP.TOP_O REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 1BT4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE DEPOSITION ID IS D_1000008228. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JAN-96 REMARK 200 TEMPERATURE (KELVIN) : 277 REMARK 200 PH : 4.6 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 : NULL REMARK 200 OPTICS : NULL 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 : 16466 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 29.300 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.13500 REMARK 200 R SYM (I) : 0.13500 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.4 REMARK 200 DATA REDUNDANCY IN SHELL : 3.40 REMARK 200 R MERGE FOR SHELL (I) : 0.21900 REMARK 200 R SYM FOR SHELL (I) : 0.21900 REMARK 200 <I/SIGMA(I)> FOR SHELL : 5.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE, X-PLOR REMARK 200 STARTING MODEL: 1BJN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.36 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALLIZED AT ROOM TEMPERATURE FROM REMARK 280 0.1 M SODIUM ACETATE BUFFER, PH 4.6, 2-6% GLYCEROL, 2-4% PEG REMARK 280 20000, USING MACROSEEDING TECHNIQUES, MACROSEEDING 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 46.66150 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 46.43800 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 46.66150 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 46.43800 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 5730 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 27580 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -25.0 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 0.00000 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 PRO A 201 C - N - CA ANGL. DEV. = 9.6 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 GLU A 3 11.47 55.81 REMARK 500 ILE A 338 59.25 -117.06 REMARK 500 TYR A 339 172.69 -59.87 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 PLP MOLECULE IS COVALENTLY LINKED TO REMARK 600 THE SIDE CHAIN OF LYS 197 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: PPB REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: COFACTOR BINDING SITE REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 363 REMARK 999 REMARK 999 SEQUENCE REMARK 999 MET 1 IS CLEAVED OFF IN A POST-TRANSLATIONAL PROCESS DBREF 1BT4 A 4 362 UNP Q59196 SERC_BACCI 4 362 SEQADV 1BT4 SER A 2 UNP Q59196 EXPRESSION TAG SEQADV 1BT4 GLU A 3 UNP Q59196 EXPRESSION TAG SEQRES 1 A 361 SER GLU ARG ALA TYR ASN PHE ASN ALA GLY PRO ALA ALA SEQRES 2 A 361 LEU PRO LEU GLU VAL LEU GLU ARG ALA GLN ALA GLU PHE SEQRES 3 A 361 VAL ASP TYR GLN HIS THR GLY MET SER ILE MET GLU MET SEQRES 4 A 361 SER HIS ARG GLY ALA VAL TYR GLU ALA VAL HIS ASN GLU SEQRES 5 A 361 ALA GLN ALA ARG LEU LEU ALA LEU LEU GLY ASN PRO THR SEQRES 6 A 361 GLY TYR LYS VAL LEU PHE ILE GLN GLY GLY ALA SER THR SEQRES 7 A 361 GLN PHE ALA MET ILE PRO MET ASN PHE LEU LYS GLU GLY SEQRES 8 A 361 GLN THR ALA ASN TYR VAL MET THR GLY SER TRP ALA SER SEQRES 9 A 361 LYS ALA LEU LYS GLU ALA LYS LEU ILE GLY ASP THR HIS SEQRES 10 A 361 VAL ALA ALA SER SER GLU ALA SER ASN TYR MET THR LEU SEQRES 11 A 361 PRO LYS LEU GLN GLU ILE GLN LEU GLN ASP ASN ALA ALA SEQRES 12 A 361 TYR LEU HIS LEU THR SER ASN GLU THR ILE GLU GLY ALA SEQRES 13 A 361 GLN PHE LYS ALA PHE PRO ASP THR GLY SER VAL PRO LEU SEQRES 14 A 361 ILE GLY ASP MET SER SER ASP ILE LEU SER ARG PRO PHE SEQRES 15 A 361 ASP LEU ASN GLN PHE GLY LEU VAL TYR ALA GLY ALA GLN SEQRES 16 A 361 LYS ASN LEU GLY PRO SER GLY VAL THR VAL VAL ILE VAL SEQRES 17 A 361 ARG GLU ASP LEU VAL ALA GLU SER PRO LYS HIS LEU PRO SEQRES 18 A 361 THR MET LEU ARG TYR ASP THR TYR VAL LYS ASN ASN SER SEQRES 19 A 361 LEU TYR ASN THR PRO PRO SER PHE GLY ILE TYR MET VAL SEQRES 20 A 361 ASN GLU VAL LEU LYS TRP ILE GLU GLU ARG GLY GLY LEU SEQRES 21 A 361 GLU GLY VAL GLN GLN ALA ASN ARG LYS LYS ALA SER LEU SEQRES 22 A 361 ILE TYR ASP ALA ILE ASP GLN SER GLY GLY PHE TYR ARG SEQRES 23 A 361 GLY CYS VAL ASP VAL ASP SER ARG SER ASP MET ASN ILE SEQRES 24 A 361 THR PHE ARG LEU ALA SER GLU GLU LEU GLU LYS GLU PHE SEQRES 25 A 361 VAL LYS ALA SER GLU GLN GLU GLY PHE VAL GLY LEU LYS SEQRES 26 A 361 GLY HIS ARG SER VAL GLY GLY LEU ARG ALA SER ILE TYR SEQRES 27 A 361 ASN ALA VAL PRO TYR GLU SER CYS GLU ALA LEU VAL GLN SEQRES 28 A 361 PHE MET GLU HIS PHE LYS ARG SER ARG GLY HET PLP A 363 15 HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 2 PLP C8 H10 N O6 P FORMUL 3 HOH *98(H2 O) HELIX 1 1 LEU A 17 ALA A 25 1 9 HELIX 2 2 ILE A 37 GLU A 39 5 3 HELIX 3 3 ALA A 45 LEU A 61 1 17 HELIX 4 4 GLY A 76 PHE A 88 1 13 HELIX 5 5 SER A 102 ILE A 114 1 13 HELIX 6 6 GLU A 124 SER A 126 5 3 HELIX 7 7 LEU A 185 GLN A 187 5 3 HELIX 8 8 ALA A 195 ASN A 198 1 4 HELIX 9 9 GLU A 211 LEU A 213 5 3 HELIX 10 10 THR A 223 LEU A 225 5 3 HELIX 11 11 TYR A 227 ASN A 233 1 7 HELIX 12 12 SER A 242 GLU A 257 1 16 HELIX 13 13 GLY A 260 ASP A 280 1 21 HELIX 14 14 VAL A 292 SER A 294 5 3 HELIX 15 15 GLU A 307 GLN A 319 1 13 HELIX 16 16 TYR A 344 SER A 360 1 17 SHEET 1 A 7 TYR A 68 ILE A 73 0 SHEET 2 A 7 THR A 205 ARG A 210 -1 N VAL A 209 O LYS A 69 SHEET 3 A 7 LEU A 190 GLY A 194 -1 N ALA A 193 O VAL A 206 SHEET 4 A 7 PRO A 169 ASP A 173 1 N GLY A 172 O LEU A 190 SHEET 5 A 7 ALA A 143 THR A 149 1 N LEU A 146 O PRO A 169 SHEET 6 A 7 THR A 94 MET A 99 1 N THR A 94 O ALA A 144 SHEET 7 A 7 THR A 117 SER A 122 1 N HIS A 118 O ALA A 95 SHEET 1 B 2 ASN A 299 PHE A 302 0 SHEET 2 B 2 LEU A 334 SER A 337 -1 N ALA A 336 O ILE A 300 LINK NZ LYS A 197 C4A PLP A 363 1555 1555 1.46 CISPEP 1 GLY A 11 PRO A 12 0 -0.16 SITE 1 PPB 1 LYS A 197 SITE 1 AC1 14 GLY A 76 ALA A 77 SER A 78 PHE A 81 SITE 2 AC1 14 TRP A 103 THR A 153 ASP A 173 SER A 175 SITE 3 AC1 14 GLN A 196 LYS A 197 ASN A 238 THR A 239 SITE 4 AC1 14 HOH A 383 HOH A 409 CRYST1 93.323 92.876 45.499 90.00 106.67 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 0.010715 0.000000 0.003209 0.00000 SCALE2 0.000000 0.010767 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022943 0.00000