HEADER TRANSFERASE 20-AUG-09 3IQI TITLE STRUCTURE OF O-ACETYLSERINE SULFHYDRYLASE IN COMPLEX WITH TITLE 2 PEPTIDE MNENI COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYSTEINE SYNTHASE; COMPND 3 CHAIN: X; COMPND 4 SYNONYM: CSASE, O-ACETYLSERINE SULFHYDRYLASE, O- COMPND 5 ACETYLSERINE (THIOL)-LYASE, OAS-TL; COMPND 6 EC: 2.5.1.47; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: MNENI; COMPND 10 CHAIN: P; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HAEMOPHILUS INFLUENZAE; SOURCE 3 ORGANISM_TAXID: 727; SOURCE 4 GENE: CYSK, HI1103; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET28A; SOURCE 10 MOL_ID: 2; SOURCE 11 SYNTHETIC: YES KEYWDS PROTEIN-PEPTIDE COMPLEX, ALLOSTERIC ENZYME, AMINO-ACID KEYWDS 2 BIOSYNTHESIS, CYSTEINE BIOSYNTHESIS, PYRIDOXAL PHOSPHATE, KEYWDS 3 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR S.L.RODERICK REVDAT 4 19-JAN-10 3IQI 1 JRNL REVDAT 3 12-JAN-10 3IQI 1 JRNL REVDAT 2 24-NOV-09 3IQI 1 SOURCE REVDAT 1 17-NOV-09 3IQI 0 JRNL AUTH E.SALSI,A.S.BAYDEN,F.SPYRAKIS,A.AMADASI, JRNL AUTH 2 B.CAMPANINI,S.BETTATI,T.DODATKO,P.COZZINI, JRNL AUTH 3 G.E.KELLOGG,P.F.COOK,S.L.RODERICK,A.MOZZARELLI JRNL TITL DESIGN OF O-ACETYLSERINE SULFHYDRYLASE INHIBITORS JRNL TITL 2 BY MIMICKING NATURE. JRNL REF J.MED.CHEM. V. 53 345 2010 JRNL REFN ISSN 0022-2623 JRNL PMID 19928859 JRNL DOI 10.1021/JM901325E REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.08 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.3 REMARK 3 NUMBER OF REFLECTIONS : 29196 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) : 0.174 REMARK 3 R VALUE (WORKING SET) : 0.172 REMARK 3 FREE R VALUE : 0.204 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1543 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) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.74 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1720 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 79.25 REMARK 3 BIN R VALUE (WORKING SET) : 0.2720 REMARK 3 BIN FREE R VALUE SET COUNT : 102 REMARK 3 BIN FREE R VALUE : 0.3140 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2366 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 231 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.45 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.35000 REMARK 3 B22 (A**2) : -0.35000 REMARK 3 B33 (A**2) : 0.69000 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): 0.112 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.106 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.062 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.806 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.954 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.941 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2405 ; 0.011 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3268 ; 1.282 ; 1.988 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 320 ; 5.362 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 87 ;34.242 ;24.598 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 420 ;13.140 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 14 ;16.391 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 388 ; 0.084 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1766 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1215 ; 0.203 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1669 ; 0.302 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 207 ; 0.111 ; 0.200 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): 45 ; 0.167 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 16 ; 0.106 ; 0.200 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): 1614 ; 0.754 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2524 ; 1.149 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 892 ; 1.933 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 740 ; 3.129 ; 4.500 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 : 1.40 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 REMARK 3 RIDING POSITIONS REMARK 4 REMARK 4 3IQI COMPLIES WITH FORMAT V. 3.20, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-AUG-09. REMARK 100 THE RCSB ID CODE IS RCSB054738. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-JAN-09 REMARK 200 TEMPERATURE (KELVIN) : 130 REMARK 200 PH : 7.5 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 RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : CONFOCAL OPTICS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29196 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 22.080 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.3 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.03300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 28.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.79 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.15200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 6.200 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: PDB ENTRY 1Y7L REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.62 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: HEPES, AMMONIUM SULFATE, PEG 400, REMARK 280 PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 3555 -Y,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X,Z+3/4 REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X,-Y,Z REMARK 290 7555 -Y+1/2,X,Z+3/4 REMARK 290 8555 Y,-X+1/2,Z+1/4 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 56.13200 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 56.13200 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 22.91750 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 56.13200 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 11.45875 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 56.13200 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 34.37625 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 56.13200 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 56.13200 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 22.91750 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 56.13200 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 34.37625 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 56.13200 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 11.45875 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: 810 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13100 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -4.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: X, P 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 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 X 1 REMARK 465 GLU X 312 REMARK 465 GLY X 313 REMARK 465 ILE X 314 REMARK 465 GLU X 315 REMARK 465 GLY X 316 REMARK 465 MET P 263 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH X 323 O HOH X 401 2.15 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 ASP X 134 82.25 -151.42 REMARK 500 LYS X 142 70.64 62.49 REMARK 500 THR X 156 -66.51 -124.31 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1Y7L RELATED DB: PDB REMARK 900 O-ACETYLSERINE SULFHYDRYLASE COMPLEX REMARK 900 RELATED ID: 3IQG RELATED DB: PDB REMARK 900 RELATED ID: 3IQH RELATED DB: PDB DBREF 3IQI X 1 316 UNP P45040 CYSK_HAEIN 1 316 DBREF 3IQI P 263 267 PDB 3IQI 3IQI 263 267 SEQRES 1 X 316 MET ALA ILE TYR ALA ASP ASN SER TYR SER ILE GLY ASN SEQRES 2 X 316 THR PRO LEU VAL ARG LEU LYS HIS PHE GLY HIS ASN GLY SEQRES 3 X 316 ASN VAL VAL VAL LYS ILE GLU GLY ARG ASN PRO SER TYR SEQRES 4 X 316 SER VAL LLP CYS ARG ILE GLY ALA ASN MET VAL TRP GLN SEQRES 5 X 316 ALA GLU LYS ASP GLY THR LEU THR LYS GLY LYS GLU ILE SEQRES 6 X 316 VAL ASP ALA THR SER GLY ASN THR GLY ILE ALA LEU ALA SEQRES 7 X 316 TYR VAL ALA ALA ALA ARG GLY TYR LYS ILE THR LEU THR SEQRES 8 X 316 MET PRO GLU THR MET SER LEU GLU ARG LYS ARG LEU LEU SEQRES 9 X 316 CYS GLY LEU GLY VAL ASN LEU VAL LEU THR GLU GLY ALA SEQRES 10 X 316 LYS GLY MET LYS GLY ALA ILE ALA LYS ALA GLU GLU ILE SEQRES 11 X 316 VAL ALA SER ASP PRO SER ARG TYR VAL MET LEU LYS GLN SEQRES 12 X 316 PHE GLU ASN PRO ALA ASN PRO GLN ILE HIS ARG GLU THR SEQRES 13 X 316 THR GLY PRO GLU ILE TRP LYS ASP THR ASP GLY LYS VAL SEQRES 14 X 316 ASP VAL VAL VAL ALA GLY VAL GLY THR GLY GLY SER ILE SEQRES 15 X 316 THR GLY ILE SER ARG ALA ILE LYS LEU ASP PHE GLY LYS SEQRES 16 X 316 GLN ILE THR SER VAL ALA VAL GLU PRO VAL GLU SER PRO SEQRES 17 X 316 VAL ILE SER GLN THR LEU ALA GLY GLU GLU VAL LYS PRO SEQRES 18 X 316 GLY PRO HIS LYS ILE GLN GLY ILE GLY ALA GLY PHE ILE SEQRES 19 X 316 PRO LYS ASN LEU ASP LEU SER ILE ILE ASP ARG VAL GLU SEQRES 20 X 316 THR VAL ASP SER ASP THR ALA LEU ALA THR ALA ARG ARG SEQRES 21 X 316 LEU MET ALA GLU GLU GLY ILE LEU ALA GLY ILE SER SER SEQRES 22 X 316 GLY ALA ALA VAL ALA ALA ALA ASP ARG LEU ALA LYS LEU SEQRES 23 X 316 PRO GLU PHE ALA ASP LYS LEU ILE VAL VAL ILE LEU PRO SEQRES 24 X 316 SER ALA SER GLU ARG TYR LEU SER THR ALA LEU PHE GLU SEQRES 25 X 316 GLY ILE GLU GLY SEQRES 1 P 5 MET ASN GLU ASN ILE MODRES 3IQI LLP X 42 LYS HET LLP X 42 24 HETNAM LLP 2-LYSINE(3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL- HETNAM 2 LLP PYRIDIN-4-YLMETHANE) HETSYN LLP N'-PYRIDOXYL-LYSINE-5'-MONOPHOSPHATE FORMUL 1 LLP C14 H24 N3 O7 P FORMUL 3 HOH *231(H2 O) HELIX 1 1 ASP X 6 ILE X 11 5 6 HELIX 2 2 VAL X 41 ASP X 56 1 16 HELIX 3 3 GLY X 71 GLY X 85 1 15 HELIX 4 4 SER X 97 LEU X 107 1 11 HELIX 5 5 GLU X 115 ALA X 117 5 3 HELIX 6 6 LYS X 118 ASP X 134 1 17 HELIX 7 7 PRO X 147 THR X 156 1 10 HELIX 8 8 THR X 156 THR X 165 1 10 HELIX 9 9 GLY X 179 ASP X 192 1 14 HELIX 10 10 PRO X 208 GLY X 216 1 9 HELIX 11 11 ASP X 239 ILE X 243 5 5 HELIX 12 12 ASP X 250 GLY X 266 1 17 HELIX 13 13 GLY X 270 LYS X 285 1 16 HELIX 14 14 LEU X 286 ALA X 290 5 5 HELIX 15 15 ALA X 301 LEU X 306 5 6 SHEET 1 A 6 LEU X 16 ARG X 18 0 SHEET 2 A 6 VAL X 28 ILE X 32 -1 O VAL X 30 N VAL X 17 SHEET 3 A 6 LEU X 293 LEU X 298 1 O ILE X 294 N VAL X 29 SHEET 4 A 6 VAL X 169 GLY X 175 1 N VAL X 171 O VAL X 295 SHEET 5 A 6 THR X 198 PRO X 204 1 O VAL X 200 N VAL X 172 SHEET 6 A 6 ARG X 245 VAL X 249 1 O GLU X 247 N ALA X 201 SHEET 1 B 4 ASN X 110 THR X 114 0 SHEET 2 B 4 LYS X 87 PRO X 93 1 N MET X 92 O THR X 114 SHEET 3 B 4 GLU X 64 ASP X 67 1 N ILE X 65 O THR X 89 SHEET 4 B 4 TYR X 138 VAL X 139 1 O VAL X 139 N VAL X 66 LINK C VAL X 41 N LLP X 42 1555 1555 1.34 LINK C LLP X 42 N CYS X 43 1555 1555 1.33 CRYST1 112.264 112.264 45.835 90.00 90.00 90.00 I 41 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 0.008908 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008908 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021818 0.00000 MASTER 300 0 1 15 10 0 0 6 0 0 0 26 END