HEADER TRANSFERASE 10-JUL-13 4LMA TITLE CRYSTAL STRUCTURE ANALYSIS OF O-ACETYLSERINE SULFHYDRYLASE CYSK1 FROM TITLE 2 MICROCYSTIS AERUGINOSA 7806 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYSTEINE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 2.5.1.47; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MICROCYSTIS AERUGINOSA; SOURCE 3 ORGANISM_TAXID: 267872; SOURCE 4 STRAIN: PCC 7806; SOURCE 5 GENE: CYSK, IPF_2058; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS SULFHYDRYLASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR M.LU REVDAT 3 08-NOV-23 4LMA 1 REMARK SEQADV LINK REVDAT 2 17-DEC-14 4LMA 1 REMARK REVDAT 1 04-JUN-14 4LMA 0 JRNL AUTH M.LU,B.Y.XU,K.ZHOU,W.CHENG,Y.L.JIANG,Y.CHEN,C.Z.ZHOU JRNL TITL STRUCTURAL AND BIOCHEMICAL ANALYSES OF MICROCYSTIS JRNL TITL 2 AERUGINOSA O-ACETYLSERINE SULFHYDRYLASES REVEAL A NEGATIVE JRNL TITL 3 FEEDBACK REGULATION OF CYSTEINE BIOSYNTHESIS. JRNL REF BIOCHIM.BIOPHYS.ACTA V.1844 308 2014 JRNL REFN ISSN 0006-3002 JRNL PMID 24275508 JRNL DOI 10.1016/J.BBAPAP.2013.11.008 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.6.0117 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.92 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.4 REMARK 3 NUMBER OF REFLECTIONS : 28336 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) : 0.185 REMARK 3 R VALUE (WORKING SET) : 0.183 REMARK 3 FREE R VALUE : 0.223 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1523 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) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.36 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1730 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 88.91 REMARK 3 BIN R VALUE (WORKING SET) : 0.2140 REMARK 3 BIN FREE R VALUE SET COUNT : 106 REMARK 3 BIN FREE R VALUE : 0.2760 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4742 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 54 REMARK 3 SOLVENT ATOMS : 195 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.82 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.37000 REMARK 3 B22 (A**2) : -0.14000 REMARK 3 B33 (A**2) : -1.23000 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): 0.333 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.220 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.145 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.920 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.952 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.929 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 4857 ; 0.006 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 6584 ; 1.090 ; 1.993 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 628 ; 5.124 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 193 ;34.123 ;24.508 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 844 ;13.991 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 35 ;15.887 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 769 ; 0.074 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3597 ; 0.004 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL 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 USED IF PRESENT IN REMARK 3 THE INPUT REMARK 4 REMARK 4 4LMA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-JUL-13. REMARK 100 THE DEPOSITION ID IS D_1000080807. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-NOV-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL17U REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97915 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38074 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.91 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.98 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: AMORE REMARK 200 STARTING MODEL: 2Q3B REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.76 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M MES, PH 6.0, 60% MPD, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 28.28200 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 62.65350 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 46.91500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 62.65350 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.28200 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 46.91500 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 REMARK 350 TOTAL BURIED SURFACE AREA: 6680 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23550 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -67.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 A -6 REMARK 465 HIS A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 HIS A -1 REMARK 465 HIS A 0 REMARK 465 VAL A 319 REMARK 465 MET B -6 REMARK 465 HIS B -5 REMARK 465 HIS B -4 REMARK 465 HIS B -3 REMARK 465 HIS B -2 REMARK 465 HIS B -1 REMARK 465 HIS B 0 REMARK 465 GLU B 313 REMARK 465 ARG B 314 REMARK 465 GLU B 315 REMARK 465 LEU B 316 REMARK 465 THR B 317 REMARK 465 LEU B 318 REMARK 465 VAL B 319 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 THR A 160 -70.62 -118.93 REMARK 500 GLU B 99 3.53 -66.42 REMARK 500 THR B 160 -70.76 -121.84 REMARK 500 SER B 210 54.26 -149.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD B 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP B 402 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4LMB RELATED DB: PDB DBREF 4LMA A 1 319 UNP A8YBS4 A8YBS4_MICAE 1 319 DBREF 4LMA B 1 319 UNP A8YBS4 A8YBS4_MICAE 1 319 SEQADV 4LMA MET A -6 UNP A8YBS4 EXPRESSION TAG SEQADV 4LMA HIS A -5 UNP A8YBS4 EXPRESSION TAG SEQADV 4LMA HIS A -4 UNP A8YBS4 EXPRESSION TAG SEQADV 4LMA HIS A -3 UNP A8YBS4 EXPRESSION TAG SEQADV 4LMA HIS A -2 UNP A8YBS4 EXPRESSION TAG SEQADV 4LMA HIS A -1 UNP A8YBS4 EXPRESSION TAG SEQADV 4LMA HIS A 0 UNP A8YBS4 EXPRESSION TAG SEQADV 4LMA MET B -6 UNP A8YBS4 EXPRESSION TAG SEQADV 4LMA HIS B -5 UNP A8YBS4 EXPRESSION TAG SEQADV 4LMA HIS B -4 UNP A8YBS4 EXPRESSION TAG SEQADV 4LMA HIS B -3 UNP A8YBS4 EXPRESSION TAG SEQADV 4LMA HIS B -2 UNP A8YBS4 EXPRESSION TAG SEQADV 4LMA HIS B -1 UNP A8YBS4 EXPRESSION TAG SEQADV 4LMA HIS B 0 UNP A8YBS4 EXPRESSION TAG SEQRES 1 A 326 MET HIS HIS HIS HIS HIS HIS MET ARG ILE ALA HIS ASP SEQRES 2 A 326 VAL THR GLU LEU VAL GLY ARG THR PRO LEU VAL GLN LEU SEQRES 3 A 326 ASN ARG ILE PRO GLN ALA GLU GLY CYS LEU GLY ARG ILE SEQRES 4 A 326 VAL MET LYS LEU GLU GLY MET ASN PRO ALA ALA SER VAL SEQRES 5 A 326 LYS ASP ARG ILE GLY THR HIS MET ILE ASN SER ALA GLU SEQRES 6 A 326 LYS ALA GLY LEU ILE ASN PRO GLU THR THR VAL LEU VAL SEQRES 7 A 326 GLU PRO THR SER GLY ASN THR GLY ILE ALA LEU ALA MET SEQRES 8 A 326 THR ALA ALA ALA LYS GLY TYR ARG LEU ILE LEU THR MET SEQRES 9 A 326 PRO GLU THR MET SER LEU GLU ARG ARG ALA MET LEU LYS SEQRES 10 A 326 ALA TYR GLY ALA THR LEU GLU LEU THR PRO GLY SER GLN SEQRES 11 A 326 GLY MET LYS GLY ALA ILE LEU ARG ALA GLN GLN ILE VAL SEQRES 12 A 326 ASP SER ILE PRO GLY ALA TYR MET LEU GLN GLN PHE ARG SEQRES 13 A 326 ASN PRO SER ASN PRO GLU ILE HIS ARG LEU THR THR ALA SEQRES 14 A 326 GLU GLU ILE TRP GLN ASP THR GLU GLY GLN VAL ASP PHE SEQRES 15 A 326 ILE VAL ALA GLY VAL GLY THR GLY GLY THR ILE THR GLY SEQRES 16 A 326 VAL ALA GLU VAL ILE LYS SER ARG LYS PRO SER PHE GLN SEQRES 17 A 326 VAL VAL ALA VAL GLU PRO PHE ASN SER PRO VAL ILE SER SEQRES 18 A 326 GLY GLY ASN PRO GLY PRO HIS LYS ILE GLN GLY ILE GLY SEQRES 19 A 326 ALA GLY PHE ILE PRO GLU VAL LEU ARG THR ASP LEU ILE SEQRES 20 A 326 ASP GLU VAL ILE THR VAL SER ASP GLU GLU ALA PHE GLN SEQRES 21 A 326 PHE GLY ARG ARG LEU ALA LYS GLU GLU GLY LEU LEU SER SEQRES 22 A 326 GLY ILE SER SER GLY ALA ASN LEU CYS ALA ALA ILE GLN SEQRES 23 A 326 LEU ALA GLN ARG PRO GLU ASN GLU GLY LYS LEU ILE VAL SEQRES 24 A 326 VAL ILE GLN PRO SER PHE GLY GLU ARG TYR LEU SER THR SEQRES 25 A 326 LEU MET PHE GLN ASN ILE GLU GLU ARG GLU LEU THR LEU SEQRES 26 A 326 VAL SEQRES 1 B 326 MET HIS HIS HIS HIS HIS HIS MET ARG ILE ALA HIS ASP SEQRES 2 B 326 VAL THR GLU LEU VAL GLY ARG THR PRO LEU VAL GLN LEU SEQRES 3 B 326 ASN ARG ILE PRO GLN ALA GLU GLY CYS LEU GLY ARG ILE SEQRES 4 B 326 VAL MET LYS LEU GLU GLY MET ASN PRO ALA ALA SER VAL SEQRES 5 B 326 LYS ASP ARG ILE GLY THR HIS MET ILE ASN SER ALA GLU SEQRES 6 B 326 LYS ALA GLY LEU ILE ASN PRO GLU THR THR VAL LEU VAL SEQRES 7 B 326 GLU PRO THR SER GLY ASN THR GLY ILE ALA LEU ALA MET SEQRES 8 B 326 THR ALA ALA ALA LYS GLY TYR ARG LEU ILE LEU THR MET SEQRES 9 B 326 PRO GLU THR MET SER LEU GLU ARG ARG ALA MET LEU LYS SEQRES 10 B 326 ALA TYR GLY ALA THR LEU GLU LEU THR PRO GLY SER GLN SEQRES 11 B 326 GLY MET LYS GLY ALA ILE LEU ARG ALA GLN GLN ILE VAL SEQRES 12 B 326 ASP SER ILE PRO GLY ALA TYR MET LEU GLN GLN PHE ARG SEQRES 13 B 326 ASN PRO SER ASN PRO GLU ILE HIS ARG LEU THR THR ALA SEQRES 14 B 326 GLU GLU ILE TRP GLN ASP THR GLU GLY GLN VAL ASP PHE SEQRES 15 B 326 ILE VAL ALA GLY VAL GLY THR GLY GLY THR ILE THR GLY SEQRES 16 B 326 VAL ALA GLU VAL ILE LYS SER ARG LYS PRO SER PHE GLN SEQRES 17 B 326 VAL VAL ALA VAL GLU PRO PHE ASN SER PRO VAL ILE SER SEQRES 18 B 326 GLY GLY ASN PRO GLY PRO HIS LYS ILE GLN GLY ILE GLY SEQRES 19 B 326 ALA GLY PHE ILE PRO GLU VAL LEU ARG THR ASP LEU ILE SEQRES 20 B 326 ASP GLU VAL ILE THR VAL SER ASP GLU GLU ALA PHE GLN SEQRES 21 B 326 PHE GLY ARG ARG LEU ALA LYS GLU GLU GLY LEU LEU SER SEQRES 22 B 326 GLY ILE SER SER GLY ALA ASN LEU CYS ALA ALA ILE GLN SEQRES 23 B 326 LEU ALA GLN ARG PRO GLU ASN GLU GLY LYS LEU ILE VAL SEQRES 24 B 326 VAL ILE GLN PRO SER PHE GLY GLU ARG TYR LEU SER THR SEQRES 25 B 326 LEU MET PHE GLN ASN ILE GLU GLU ARG GLU LEU THR LEU SEQRES 26 B 326 VAL HET MPD A 401 8 HET MPD A 402 8 HET PLP A 403 15 HET MPD B 401 8 HET PLP B 402 15 HETNAM MPD (4S)-2-METHYL-2,4-PENTANEDIOL HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 3 MPD 3(C6 H14 O2) FORMUL 5 PLP 2(C8 H10 N O6 P) FORMUL 8 HOH *195(H2 O) HELIX 1 1 ASP A 6 VAL A 11 5 6 HELIX 2 2 ARG A 21 GLU A 26 1 6 HELIX 3 3 GLY A 38 ASN A 40 5 3 HELIX 4 4 LYS A 46 ALA A 60 1 15 HELIX 5 5 GLY A 76 GLY A 90 1 15 HELIX 6 6 SER A 102 TYR A 112 1 11 HELIX 7 7 PRO A 120 SER A 122 5 3 HELIX 8 8 GLN A 123 ILE A 139 1 17 HELIX 9 9 PRO A 151 THR A 160 1 10 HELIX 10 10 THR A 160 THR A 169 1 10 HELIX 11 11 GLY A 183 LYS A 197 1 15 HELIX 12 12 ARG A 236 ILE A 240 5 5 HELIX 13 13 SER A 247 GLY A 263 1 17 HELIX 14 14 GLY A 267 ARG A 283 1 17 HELIX 15 15 PRO A 284 GLU A 287 5 4 HELIX 16 16 GLY A 299 THR A 317 1 19 HELIX 17 17 ASP B 6 VAL B 11 5 6 HELIX 18 18 ARG B 21 GLU B 26 1 6 HELIX 19 19 GLY B 38 ASN B 40 5 3 HELIX 20 20 LYS B 46 ALA B 60 1 15 HELIX 21 21 GLY B 76 GLY B 90 1 15 HELIX 22 22 SER B 102 TYR B 112 1 11 HELIX 23 23 PRO B 120 SER B 122 5 3 HELIX 24 24 GLN B 123 ILE B 139 1 17 HELIX 25 25 PRO B 151 THR B 160 1 10 HELIX 26 26 THR B 160 THR B 169 1 10 HELIX 27 27 GLY B 183 LYS B 197 1 15 HELIX 28 28 ARG B 236 ILE B 240 5 5 HELIX 29 29 SER B 247 GLY B 263 1 17 HELIX 30 30 GLY B 267 GLN B 282 1 16 HELIX 31 31 ARG B 283 GLU B 287 5 5 HELIX 32 32 GLY B 299 ASN B 310 1 12 SHEET 1 A 7 ILE A 3 ALA A 4 0 SHEET 2 A 7 LEU B 16 GLN B 18 1 O LEU B 16 N ALA A 4 SHEET 3 A 7 ARG B 31 LEU B 36 -1 O MET B 34 N VAL B 17 SHEET 4 A 7 LEU B 290 GLN B 295 1 O ILE B 291 N ARG B 31 SHEET 5 A 7 PHE B 175 GLY B 179 1 N PHE B 175 O VAL B 292 SHEET 6 A 7 GLN B 201 PRO B 207 1 O VAL B 203 N ILE B 176 SHEET 7 A 7 GLU B 242 VAL B 246 1 O ILE B 244 N ALA B 204 SHEET 1 B 7 GLU A 242 VAL A 246 0 SHEET 2 B 7 GLN A 201 PRO A 207 1 N ALA A 204 O GLU A 242 SHEET 3 B 7 VAL A 173 GLY A 179 1 N ASP A 174 O GLN A 201 SHEET 4 B 7 LEU A 290 GLN A 295 1 O VAL A 292 N PHE A 175 SHEET 5 B 7 ARG A 31 LEU A 36 1 N ARG A 31 O ILE A 291 SHEET 6 B 7 LEU A 16 GLN A 18 -1 N VAL A 17 O MET A 34 SHEET 7 B 7 ILE B 3 ALA B 4 1 O ALA B 4 N GLN A 18 SHEET 1 C 4 THR A 115 THR A 119 0 SHEET 2 C 4 ARG A 92 PRO A 98 1 N LEU A 95 O THR A 115 SHEET 3 C 4 VAL A 69 PRO A 73 1 N LEU A 70 O ILE A 94 SHEET 4 C 4 TYR A 143 MET A 144 1 O TYR A 143 N VAL A 71 SHEET 1 D 4 THR B 115 THR B 119 0 SHEET 2 D 4 ARG B 92 PRO B 98 1 N LEU B 93 O THR B 115 SHEET 3 D 4 VAL B 69 PRO B 73 1 N LEU B 70 O ILE B 94 SHEET 4 D 4 TYR B 143 MET B 144 1 O TYR B 143 N VAL B 69 LINK NZ LYS A 46 C4A PLP A 403 1555 1555 1.25 LINK NZ LYS B 46 C4A PLP B 402 1555 1555 1.54 SITE 1 AC1 6 ILE A 240 ASP A 241 HOH A 574 HOH A 578 SITE 2 AC1 6 GLN B 123 GLY B 127 SITE 1 AC2 5 PHE A 252 GLY A 255 ARG A 256 SER A 266 SITE 2 AC2 5 GLY A 299 SITE 1 AC3 16 LYS A 46 ASN A 77 GLY A 181 THR A 182 SITE 2 AC3 16 GLY A 183 GLY A 184 THR A 185 GLY A 225 SITE 3 AC3 16 ILE A 226 SER A 269 PRO A 296 SER A 297 SITE 4 AC3 16 HOH A 519 HOH A 520 HOH A 530 HOH A 547 SITE 1 AC4 5 GLY B 255 SER B 266 ILE B 268 TYR B 302 SITE 2 AC4 5 HOH B 582 SITE 1 AC5 18 VAL B 45 LYS B 46 ASN B 77 GLY B 179 SITE 2 AC5 18 GLY B 181 THR B 182 GLY B 183 GLY B 184 SITE 3 AC5 18 THR B 185 GLY B 225 ILE B 226 SER B 269 SITE 4 AC5 18 PRO B 296 SER B 297 HOH B 516 HOH B 528 SITE 5 AC5 18 HOH B 530 HOH B 566 CRYST1 56.564 93.830 125.307 90.00 90.00 90.00 P 21 21 21 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 0.017679 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010658 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007980 0.00000