HEADER TRANSFERASE 09-MAY-09 3A2B TITLE CRYSTAL STRUCTURE OF SERINE PALMITOYLTRANSFERASE FROM SPHINGOBACTERIUM TITLE 2 MULTIVORUM WITH SUBSTRATE L-SERINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: SERINE PALMITOYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 EC: 2.3.1.50; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SPHINGOBACTERIUM MULTIVORUM; SOURCE 3 ORGANISM_TAXID: 28454; SOURCE 4 STRAIN: GTC97; SOURCE 5 GENE: SPT; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)(PLYSS); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET21B KEYWDS VITAMIN B6-DEPENDENT ENZYME FOLD TYPE I, ACYLTRANSFERASE, PYRIDOXAL KEYWDS 2 PHOSPHATE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR A.OKAMOTO,J.HOSEKI REVDAT 4 01-NOV-23 3A2B 1 REMARK LINK REVDAT 3 13-JUL-11 3A2B 1 VERSN REVDAT 2 13-OCT-09 3A2B 1 JRNL REVDAT 1 14-JUL-09 3A2B 0 JRNL AUTH H.IKUSHIRO,M.M.ISLAM,A.OKAMOTO,J.HOSEKI,T.MURAKAWA,S.FUJII, JRNL AUTH 2 I.MIYAHARA,H.HAYASHI JRNL TITL STRUCTURAL INSIGHTS INTO THE ENZYMATIC MECHANISM OF SERINE JRNL TITL 2 PALMITOYLTRANSFERASE FROM SPHINGOBACTERIUM MULTIVORUM JRNL REF J.BIOCHEM. V. 146 549 2009 JRNL REFN ISSN 0021-924X JRNL PMID 19564159 JRNL DOI 10.1093/JB/MVP100 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.86 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 2225645.700 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 18598 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) : 0.211 REMARK 3 FREE R VALUE : 0.270 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 951 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.009 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.40 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2838 REMARK 3 BIN R VALUE (WORKING SET) : 0.2360 REMARK 3 BIN FREE R VALUE : 0.2930 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 114 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.027 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3019 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 22 REMARK 3 SOLVENT ATOMS : 285 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.07 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 5.57000 REMARK 3 B22 (A**2) : 5.57000 REMARK 3 B33 (A**2) : -11.14000 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) : 0.26 REMARK 3 ESD FROM SIGMAA (A) : 0.18 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.36 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.28 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.130 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.330 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.090 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.120 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.940 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.30 REMARK 3 BSOL : 28.57 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: CNS BULK SOLVENT MODEL USED REMARK 4 REMARK 4 3A2B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 13-MAY-09. REMARK 100 THE DEPOSITION ID IS D_1000028722. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-MAR-03 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL38B1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18611 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.290 REMARK 200 RESOLUTION RANGE LOW (A) : 58.722 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 1.810 REMARK 200 R MERGE (I) : 0.06100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 30.3500 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 (%) : 99.1 REMARK 200 DATA REDUNDANCY IN SHELL : 1.85 REMARK 200 R MERGE FOR SHELL (I) : 0.10700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 16.43 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: PDB ENTRY 1FC4 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 21.6%W/V PEG 4000, 0.2M SODIUM REMARK 280 ACETATE, 0.1M TRIS-HCL BUFFER, PH 8.5, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 103.88000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 30.83500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 30.83500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 51.94000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 30.83500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 30.83500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 155.82000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 30.83500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 30.83500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 51.94000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 30.83500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 30.83500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 155.82000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 103.88000 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: 9900 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 26190 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -52.0 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 0.000000 -1.000000 0.000000 61.67000 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 61.67000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 103.88000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 637 LIES ON A SPECIAL POSITION. 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 GLU A 394 REMARK 465 VAL A 395 REMARK 465 GLU A 396 REMARK 465 THR A 397 REMARK 465 LEU A 398 REMARK 465 ILE A 399 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 84 -101.92 -99.08 REMARK 500 ASN A 158 24.74 47.21 REMARK 500 SER A 174 145.59 -174.73 REMARK 500 ASP A 211 30.32 -96.06 REMARK 500 VAL A 217 -59.98 -121.92 REMARK 500 LYS A 244 -95.37 -117.78 REMARK 500 ALA A 247 25.92 46.71 REMARK 500 SER A 248 -132.71 -127.28 REMARK 500 SER A 333 117.17 -178.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 650 REMARK 650 HELIX REMARK 650 DETERMINATION METHOD: AUTHOR DETERMINED REMARK 700 REMARK 700 SHEET REMARK 700 DETERMINATION METHOD: AUTHOR DETERMINED REMARK 750 REMARK 750 TURN REMARK 750 DETERMINATION METHOD: AUTHOR DETERMINED REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SER A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 400 DBREF 3A2B A 2 399 UNP A7BFV6 A7BFV6_9SPHI 2 399 SEQRES 1 A 398 SER LYS GLY LYS LEU GLY GLU LYS ILE SER GLN PHE LYS SEQRES 2 A 398 ILE VAL GLU GLU LEU LYS ALA LYS GLY LEU TYR ALA TYR SEQRES 3 A 398 PHE ARG PRO ILE GLN SER LYS GLN ASP THR GLU VAL LYS SEQRES 4 A 398 ILE ASP GLY ARG ARG VAL LEU MET PHE GLY SER ASN SER SEQRES 5 A 398 TYR LEU GLY LEU THR THR ASP THR ARG ILE ILE LYS ALA SEQRES 6 A 398 ALA GLN ASP ALA LEU GLU LYS TYR GLY THR GLY CYS ALA SEQRES 7 A 398 GLY SER ARG PHE LEU ASN GLY THR LEU ASP ILE HIS VAL SEQRES 8 A 398 GLU LEU GLU GLU LYS LEU SER ALA TYR VAL GLY LYS GLU SEQRES 9 A 398 ALA ALA ILE LEU PHE SER THR GLY PHE GLN SER ASN LEU SEQRES 10 A 398 GLY PRO LEU SER CYS LEU MET GLY ARG ASN ASP TYR ILE SEQRES 11 A 398 LEU LEU ASP GLU ARG ASP HIS ALA SER ILE ILE ASP GLY SEQRES 12 A 398 SER ARG LEU SER PHE SER LYS VAL ILE LYS TYR GLY HIS SEQRES 13 A 398 ASN ASN MET GLU ASP LEU ARG ALA LYS LEU SER ARG LEU SEQRES 14 A 398 PRO GLU ASP SER ALA LYS LEU ILE CYS THR ASP GLY ILE SEQRES 15 A 398 PHE SER MET GLU GLY ASP ILE VAL ASN LEU PRO GLU LEU SEQRES 16 A 398 THR SER ILE ALA ASN GLU PHE ASP ALA ALA VAL MET VAL SEQRES 17 A 398 ASP ASP ALA HIS SER LEU GLY VAL ILE GLY HIS LYS GLY SEQRES 18 A 398 ALA GLY THR ALA SER HIS PHE GLY LEU ASN ASP ASP VAL SEQRES 19 A 398 ASP LEU ILE MET GLY THR PHE SER LYS SER LEU ALA SER SEQRES 20 A 398 LEU GLY GLY PHE VAL ALA GLY ASP ALA ASP VAL ILE ASP SEQRES 21 A 398 PHE LEU LYS HIS ASN ALA ARG SER VAL MET PHE SER ALA SEQRES 22 A 398 SER MET THR PRO ALA SER VAL ALA SER THR LEU LYS ALA SEQRES 23 A 398 LEU GLU ILE ILE GLN ASN GLU PRO GLU HIS ILE GLU LYS SEQRES 24 A 398 LEU TRP LYS ASN THR ASP TYR ALA LYS ALA GLN LEU LEU SEQRES 25 A 398 ASP HIS GLY PHE ASP LEU GLY ALA THR GLU SER PRO ILE SEQRES 26 A 398 LEU PRO ILE PHE ILE ARG SER ASN GLU LYS THR PHE TRP SEQRES 27 A 398 VAL THR LYS MET LEU GLN ASP ASP GLY VAL PHE VAL ASN SEQRES 28 A 398 PRO VAL VAL SER PRO ALA VAL PRO ALA GLU GLU SER LEU SEQRES 29 A 398 ILE ARG PHE SER LEU MET ALA THR HIS THR TYR ASP GLN SEQRES 30 A 398 ILE ASP GLU ALA ILE GLU LYS MET VAL LYS VAL PHE LYS SEQRES 31 A 398 GLN ALA GLU VAL GLU THR LEU ILE HET SER A 401 7 HET PLP A 400 15 HETNAM SER SERINE HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 2 SER C3 H7 N O3 FORMUL 3 PLP C8 H10 N O6 P FORMUL 4 HOH *285(H2 O) HELIX 1 1 LYS A 3 GLN A 12 1 10 HELIX 2 2 LYS A 14 LYS A 22 1 9 HELIX 3 3 THR A 61 TYR A 74 1 14 HELIX 4 4 ASP A 89 VAL A 102 1 14 HELIX 5 5 GLY A 113 LEU A 124 1 12 HELIX 6 6 ALA A 139 LEU A 147 1 9 HELIX 7 7 MET A 160 ARG A 169 1 10 HELIX 8 8 LEU A 193 ASN A 201 1 9 HELIX 9 9 HIS A 220 GLY A 222 5 3 HELIX 10 10 THR A 225 PHE A 229 1 5 HELIX 11 11 ASN A 232 ASP A 234 5 3 HELIX 12 12 ALA A 257 HIS A 265 1 9 HELIX 13 13 ARG A 268 PHE A 272 1 5 HELIX 14 14 PRO A 278 ASN A 293 1 16 HELIX 15 15 PRO A 295 HIS A 315 1 21 HELIX 16 16 ASN A 334 ASP A 347 1 14 HELIX 17 17 TYR A 376 ALA A 393 1 18 SHEET 1 A 3 GLU A 38 ILE A 41 0 SHEET 2 A 3 ARG A 44 MET A 48 -1 N ARG A 44 O ILE A 41 SHEET 3 A 3 VAL A 349 PHE A 350 1 N PHE A 350 O LEU A 47 SHEET 1 B 7 ALA A 106 PHE A 110 0 SHEET 2 B 7 GLY A 251 GLY A 255 -1 N GLY A 251 O PHE A 110 SHEET 3 B 7 LEU A 237 THR A 241 -1 O ILE A 238 N ALA A 254 SHEET 4 B 7 ALA A 206 ASP A 210 1 O VAL A 207 N LEU A 237 SHEET 5 B 7 LYS A 176 ASP A 181 1 O LYS A 176 N ALA A 206 SHEET 6 B 7 TYR A 130 ASP A 134 1 O TYR A 130 N LEU A 177 SHEET 7 B 7 LYS A 151 TYR A 155 1 O LYS A 151 N ILE A 131 SHEET 1 C 3 ILE A 326 PHE A 330 0 SHEET 2 C 3 LEU A 365 SER A 369 -1 N ILE A 366 O ILE A 329 SHEET 3 C 3 ASN A 352 VAL A 354 -1 N VAL A 354 O LEU A 365 LINK C4A PLP A 400 N SER A 401 1555 1555 1.37 CISPEP 1 SER A 356 PRO A 357 0 0.27 SITE 1 AC1 8 HIS A 138 LYS A 244 PHE A 272 ALA A 274 SITE 2 AC1 8 PLP A 400 HOH A 510 HOH A 516 HOH A 599 SITE 1 AC2 18 THR A 112 GLY A 113 PHE A 114 HIS A 138 SITE 2 AC2 18 SER A 140 ASP A 181 ASP A 210 ALA A 212 SITE 3 AC2 18 HIS A 213 MET A 239 THR A 241 SER A 243 SITE 4 AC2 18 LYS A 244 SER A 273 ALA A 274 SER A 401 SITE 5 AC2 18 HOH A 501 HOH A 524 CRYST1 61.670 61.670 207.760 90.00 90.00 90.00 P 41 21 2 8 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 0.016215 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016215 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004813 0.00000