HEADER TRANSFERASE 10-AUG-21 7RRN TITLE E. COLI CYSTEINE DESULFURASE SUFS R56A COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYSTEINE DESULFURASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SELENOCYSTEINE BETA-LYASE,SCL,SELENOCYSTEINE LYASE, COMPND 5 SELENOCYSTEINE REDUCTASE; COMPND 6 EC: 2.8.1.7,4.4.1.16; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: SUFS, AM464_26295, AUQ13_12030, BANRA_00144, BANRA_00498, SOURCE 5 BUE81_02100, BVCMS2454_03222, BVCMSHHP056_00376, BVCMSKKP036_02154, SOURCE 6 BVCMSKSP026_00913, BW690_21095, C2U48_26455, C3F40_02340, SOURCE 7 C5F72_12470, C5F73_16550, CA593_19565, CI694_12360, D0X26_02680, SOURCE 8 D3821_13970, D9D44_08095, D9I97_06950, D9J52_00990, DJ503_04985, SOURCE 9 DT034_04565, E2119_03595, E4K51_04160, E4K53_02750, E4K55_02210, SOURCE 10 EA213_01125, EAI52_07715, EC3234A_33C01830, ECTO6_02268, SOURCE 11 EEP23_12650, EI021_02920, EI041_09080, EIZ93_02005, EL75_1975, SOURCE 12 EL79_2015, ETECE1441_02263, ETECE925_02258, EYD11_10615, SOURCE 13 EYV18_16700, F1E19_09770, F9X20_017695, F9X20_17865, FKC84_00740, SOURCE 14 FRV13_11320, FV293_04975, G5688_08175, G5696_08550, GHD50_00995, SOURCE 15 GKF86_07510, GKF89_05190, GQE33_02870, GQE34_20940, GQE67_02970, SOURCE 16 GRW02_06095, GRW05_00495, GRW57_07250, GRW81_10520, H4P50_11345, SOURCE 17 H4P51_11710, HH707_000397, HLT96_01805, HLU13_01505, HMQ05_01935, SOURCE 18 HNN86_11820, HNO08_06140, HNV44_03825, HV065_07405, HVV53_04920, SOURCE 19 HVX22_10640, HVX24_10540, HVY79_11755, HVY93_10710, HVZ24_10295, SOURCE 20 HX136_13565, NCTC10429_03516, NCTC13148_01082, NCTC8500_02620, SOURCE 21 NCTC9045_02773, NCTC9062_00321, NCTC9073_05651, RK56_009090, SOURCE 22 SAMEA3472047_04360, SAMEA3472080_01352, SAMEA3484427_00841, SOURCE 23 SAMEA3484429_00952, SAMEA3752559_02324, SAMEA3753300_02697, SOURCE 24 SK85_01902, WP2S18E08_22360, WP7S17E04_19980; SOURCE 25 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 26 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 27 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS CYSTEINE DESULFURASE, SUFS, PLP, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR J.A.DUNKLE,R.GOGAR,P.A.FRANTOM REVDAT 2 25-OCT-23 7RRN 1 REMARK REVDAT 1 18-JAN-23 7RRN 0 JRNL AUTH J.V.CONTE,R.GOGAR,J.A.DUNKLE,P.A.FRANTOM JRNL TITL CONTRIBUTIONS OF THE ACTIVE SITE FLOOR IN CYSTEINE JRNL TITL 2 DESULFURASE ACTIVITY JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.19.2_4158 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.79 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 48316 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.207 REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.231 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.130 REMARK 3 FREE R VALUE TEST SET COUNT : 1996 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 31.7900 - 5.5300 0.99 3560 158 0.1724 0.2012 REMARK 3 2 5.5300 - 4.4000 1.00 3431 144 0.1683 0.1754 REMARK 3 3 4.4000 - 3.8400 0.99 3368 146 0.1780 0.2005 REMARK 3 4 3.8400 - 3.4900 0.99 3371 141 0.2001 0.2465 REMARK 3 5 3.4900 - 3.2400 1.00 3333 146 0.2212 0.2321 REMARK 3 6 3.2400 - 3.0500 1.00 3329 140 0.2405 0.2109 REMARK 3 7 3.0500 - 2.9000 1.00 3330 141 0.2364 0.2745 REMARK 3 8 2.9000 - 2.7700 1.00 3308 144 0.2314 0.2719 REMARK 3 9 2.7700 - 2.6600 1.00 3316 138 0.2424 0.3118 REMARK 3 10 2.6600 - 2.5700 1.00 3317 147 0.2586 0.3258 REMARK 3 11 2.5700 - 2.4900 1.00 3288 145 0.2529 0.2768 REMARK 3 12 2.4900 - 2.4200 0.97 3247 137 0.2664 0.2961 REMARK 3 13 2.4200 - 2.3600 0.94 3094 142 0.2681 0.2740 REMARK 3 14 2.3600 - 2.3000 0.91 3028 127 0.2821 0.3045 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.240 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.770 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 43.42 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 45.27 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7RRN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-AUG-21. REMARK 100 THE DEPOSITION ID IS D_1000258870. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-SEP-19 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 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 : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 48365 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 31.790 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 10.95 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 25.9300 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) : 2.36 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.5 REMARK 200 DATA REDUNDANCY IN SHELL : 2.78 REMARK 200 R MERGE FOR SHELL (I) : 0.68800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: PDBID 6MR2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 80.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 6.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 4-4.5M NACL, 100 MM MES, PH 6.5, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 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+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 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 66.63500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 63.57500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 63.57500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 99.95250 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 63.57500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 63.57500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 33.31750 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 63.57500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 63.57500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 99.95250 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 63.57500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 63.57500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 33.31750 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 66.63500 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: 7970 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 27080 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -64.0 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 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 1 REMARK 465 ALA A 56 REMARK 465 GLY A 57 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 271 C - N - CD ANGL. DEV. = -27.0 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 ILE A 127 -58.20 -123.83 REMARK 500 LEU A 227 39.20 -97.92 REMARK 500 TRP A 249 -78.14 -110.77 REMARK 500 SER A 254 -17.94 72.38 REMARK 500 ALA A 270 -174.33 -56.19 REMARK 500 PRO A 271 -52.46 1.28 REMARK 500 ASN A 330 33.61 -91.18 REMARK 500 ALA A 365 56.59 -141.66 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 ALA A 270 PRO A 271 -96.95 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 ALA A 270 -11.46 REMARK 500 REMARK 500 REMARK: NULL DBREF1 7RRN A 1 406 UNP A0A090LEQ9_ECOLX DBREF2 7RRN A A0A090LEQ9 1 406 SEQADV 7RRN ALA A 56 UNP A0A090LEQ ARG 56 ENGINEERED MUTATION SEQRES 1 A 406 MET ILE PHE SER VAL ASP LYS VAL ARG ALA ASP PHE PRO SEQRES 2 A 406 VAL LEU SER ARG GLU VAL ASN GLY LEU PRO LEU ALA TYR SEQRES 3 A 406 LEU ASP SER ALA ALA SER ALA GLN LYS PRO SER GLN VAL SEQRES 4 A 406 ILE ASP ALA GLU ALA GLU PHE TYR ARG HIS GLY TYR ALA SEQRES 5 A 406 ALA VAL HIS ALA GLY ILE HIS THR LEU SER ALA GLN ALA SEQRES 6 A 406 THR GLU LYS MET GLU ASN VAL ARG LYS ARG ALA SER LEU SEQRES 7 A 406 PHE ILE ASN ALA ARG SER ALA GLU GLU LEU VAL PHE VAL SEQRES 8 A 406 ARG GLY THR THR GLU GLY ILE ASN LEU VAL ALA ASN SER SEQRES 9 A 406 TRP GLY ASN SER ASN VAL ARG ALA GLY ASP ASN ILE ILE SEQRES 10 A 406 ILE SER GLN MET GLU HIS HIS ALA ASN ILE VAL PRO TRP SEQRES 11 A 406 GLN MET LEU CYS ALA ARG VAL GLY ALA GLU LEU ARG VAL SEQRES 12 A 406 ILE PRO LEU ASN PRO ASP GLY THR LEU GLN LEU GLU THR SEQRES 13 A 406 LEU PRO THR LEU PHE ASP GLU LYS THR ARG LEU LEU ALA SEQRES 14 A 406 ILE THR HIS VAL SER ASN VAL LEU GLY THR GLU ASN PRO SEQRES 15 A 406 LEU ALA GLU MET ILE THR LEU ALA HIS GLN HIS GLY ALA SEQRES 16 A 406 LYS VAL LEU VAL ASP GLY ALA GLN ALA VAL MET HIS HIS SEQRES 17 A 406 PRO VAL ASP VAL GLN ALA LEU ASP CYS ASP PHE TYR VAL SEQRES 18 A 406 PHE SER GLY HIS LYS LEU TYR GLY PRO THR GLY ILE GLY SEQRES 19 A 406 ILE LEU TYR VAL LYS GLU ALA LEU LEU GLN GLU MET PRO SEQRES 20 A 406 PRO TRP GLU GLY GLY GLY SER MET ILE ALA THR VAL SER SEQRES 21 A 406 LEU SER GLU GLY THR THR TRP THR LYS ALA PRO TRP ARG SEQRES 22 A 406 PHE GLU ALA GLY THR PRO ASN THR GLY GLY ILE ILE GLY SEQRES 23 A 406 LEU GLY ALA ALA LEU GLU TYR VAL SER ALA LEU GLY LEU SEQRES 24 A 406 ASN ASN ILE ALA GLU TYR GLU GLN ASN LEU MET HIS TYR SEQRES 25 A 406 ALA LEU SER GLN LEU GLU SER VAL PRO ASP LEU THR LEU SEQRES 26 A 406 TYR GLY PRO GLN ASN ARG LEU GLY VAL ILE ALA PHE ASN SEQRES 27 A 406 LEU GLY LYS HIS HIS ALA TYR ASP VAL GLY SER PHE LEU SEQRES 28 A 406 ASP ASN TYR GLY ILE ALA VAL ARG THR GLY HIS HIS CYS SEQRES 29 A 406 ALA MET PRO LEU MET ALA TYR TYR ASN VAL PRO ALA MET SEQRES 30 A 406 CYS ARG ALA SER LEU ALA MET TYR ASN THR HIS GLU GLU SEQRES 31 A 406 VAL ASP ARG LEU VAL THR GLY LEU GLN ARG ILE HIS ARG SEQRES 32 A 406 LEU LEU GLY HET CL A 501 1 HET PLP A 502 15 HETNAM CL CHLORIDE ION HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 2 CL CL 1- FORMUL 3 PLP C8 H10 N O6 P FORMUL 4 HOH *45(H2 O) HELIX 1 AA1 SER A 4 ALA A 10 1 7 HELIX 2 AA2 ASP A 11 SER A 16 5 6 HELIX 3 AA3 PRO A 36 GLY A 50 1 15 HELIX 4 AA4 HIS A 59 ILE A 80 1 22 HELIX 5 AA5 SER A 84 GLU A 86 5 3 HELIX 6 AA6 GLY A 93 VAL A 110 1 18 HELIX 7 AA7 HIS A 123 ASN A 126 5 4 HELIX 8 AA8 ILE A 127 GLY A 138 1 12 HELIX 9 AA9 GLN A 153 GLU A 155 5 3 HELIX 10 AB1 THR A 156 PHE A 161 1 6 HELIX 11 AB2 PRO A 182 HIS A 193 1 12 HELIX 12 AB3 ASP A 211 ASP A 216 1 6 HELIX 13 AB4 HIS A 225 LEU A 227 5 3 HELIX 14 AB5 LYS A 239 GLN A 244 1 6 HELIX 15 AB6 PRO A 271 GLU A 275 5 5 HELIX 16 AB7 ASN A 280 GLY A 298 1 19 HELIX 17 AB8 GLY A 298 LEU A 317 1 20 HELIX 18 AB9 GLU A 318 VAL A 320 5 3 HELIX 19 AC1 HIS A 343 TYR A 354 1 12 HELIX 20 AC2 ALA A 365 TYR A 372 1 8 HELIX 21 AC3 THR A 387 GLY A 406 1 20 SHEET 1 AA1 2 GLU A 18 VAL A 19 0 SHEET 2 AA1 2 LEU A 22 PRO A 23 -1 O LEU A 22 N VAL A 19 SHEET 1 AA2 2 ALA A 25 TYR A 26 0 SHEET 2 AA2 2 ILE A 356 ALA A 357 1 O ALA A 357 N ALA A 25 SHEET 1 AA3 7 LEU A 88 VAL A 91 0 SHEET 2 AA3 7 GLY A 234 VAL A 238 -1 O LEU A 236 N VAL A 89 SHEET 3 AA3 7 PHE A 219 SER A 223 -1 N TYR A 220 O TYR A 237 SHEET 4 AA3 7 LYS A 196 ASP A 200 1 N VAL A 199 O PHE A 219 SHEET 5 AA3 7 THR A 165 THR A 171 1 N LEU A 168 O LYS A 196 SHEET 6 AA3 7 ASN A 115 SER A 119 1 N ILE A 117 O LEU A 167 SHEET 7 AA3 7 GLU A 140 ILE A 144 1 O ARG A 142 N ILE A 116 SHEET 1 AA4 2 ILE A 256 VAL A 259 0 SHEET 2 AA4 2 THR A 265 TRP A 267 -1 O THR A 266 N ALA A 257 SHEET 1 AA5 4 LEU A 323 TYR A 326 0 SHEET 2 AA5 4 VAL A 334 LEU A 339 -1 O ASN A 338 N THR A 324 SHEET 3 AA5 4 MET A 377 SER A 381 -1 O CYS A 378 N PHE A 337 SHEET 4 AA5 4 ARG A 359 GLY A 361 -1 N ARG A 359 O ARG A 379 LINK NZ LYS A 226 C4A PLP A 502 1555 1555 1.43 CRYST1 127.150 127.150 133.270 90.00 90.00 90.00 P 43 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 0.007865 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007865 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007504 0.00000