HEADER TRANSFERASE, LYASE 17-FEB-19 6O11 TITLE E. COLI CYSTEINE DESULFURASE SUFS C364A WITH A CYS-ALDIMINE TITLE 2 INTERMEDIATE 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 (STRAIN K12); SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 STRAIN: K12; SOURCE 5 GENE: SUFS, CSDB, YNHB, B1680, JW1670; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS CYSTEINE DESULFURASE, SUFS, PERSULFIDE, PLP, TRANSFERASE, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR J.A.DUNKLE,P.A.FRANTOM REVDAT 5 11-OCT-23 6O11 1 REMARK REVDAT 4 01-JAN-20 6O11 1 REMARK REVDAT 3 28-AUG-19 6O11 1 JRNL REVDAT 2 10-JUL-19 6O11 1 JRNL REVDAT 1 26-JUN-19 6O11 0 JRNL AUTH M.BLAHUT,C.E.WISE,M.R.BRUNO,G.DONG,T.M.MAKRIS,P.A.FRANTOM, JRNL AUTH 2 J.A.DUNKLE,F.W.OUTTEN JRNL TITL DIRECT OBSERVATION OF INTERMEDIATES IN THE SUFS CYSTEINE JRNL TITL 2 DESULFURASE REACTION REVEALS FUNCTIONAL ROLES OF CONSERVED JRNL TITL 3 ACTIVE-SITE RESIDUES. JRNL REF J.BIOL.CHEM. V. 294 12444 2019 JRNL REFN ESSN 1083-351X JRNL PMID 31248989 JRNL DOI 10.1074/JBC.RA119.009471 REMARK 2 REMARK 2 RESOLUTION. 1.84 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.14_3211 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.84 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.20 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.4 REMARK 3 NUMBER OF REFLECTIONS : 46703 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.185 REMARK 3 R VALUE (WORKING SET) : 0.184 REMARK 3 FREE R VALUE : 0.216 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.240 REMARK 3 FREE R VALUE TEST SET COUNT : 3728 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 37.2056 - 5.5141 1.00 3216 132 0.1404 0.1873 REMARK 3 2 5.5141 - 4.3789 1.00 3191 144 0.1390 0.1657 REMARK 3 3 4.3789 - 3.8260 1.00 3210 130 0.1527 0.1785 REMARK 3 4 3.8260 - 3.4765 1.00 3209 139 0.1755 0.1970 REMARK 3 5 3.4765 - 3.2275 1.00 3178 141 0.1931 0.2313 REMARK 3 6 3.2275 - 3.0373 1.00 3198 147 0.2029 0.2408 REMARK 3 7 3.0373 - 2.8852 1.00 3201 139 0.1995 0.2118 REMARK 3 8 2.8852 - 2.7597 1.00 3195 144 0.2034 0.2367 REMARK 3 9 2.7597 - 2.6535 1.00 3210 142 0.2019 0.1968 REMARK 3 10 2.6535 - 2.5619 1.00 3173 146 0.2053 0.2215 REMARK 3 11 2.5619 - 2.4818 1.00 3189 139 0.2066 0.2530 REMARK 3 12 2.4818 - 2.4109 1.00 3224 140 0.2053 0.2877 REMARK 3 13 2.4109 - 2.3474 1.00 3200 150 0.2083 0.2790 REMARK 3 14 2.3474 - 2.2902 1.00 3202 140 0.2134 0.2550 REMARK 3 15 2.2902 - 2.2381 1.00 3154 146 0.2114 0.2289 REMARK 3 16 2.2381 - 2.1905 1.00 3220 145 0.2174 0.2488 REMARK 3 17 2.1905 - 2.1467 1.00 3191 142 0.2295 0.2402 REMARK 3 18 2.1467 - 2.1062 1.00 3177 141 0.2427 0.2603 REMARK 3 19 2.1062 - 2.0686 1.00 3228 141 0.2531 0.2792 REMARK 3 20 2.0686 - 2.0335 1.00 3171 142 0.2560 0.2905 REMARK 3 21 2.0335 - 2.0007 1.00 3228 144 0.2657 0.2596 REMARK 3 22 2.0007 - 1.9699 1.00 3159 137 0.2637 0.3679 REMARK 3 23 1.9699 - 1.9410 0.96 3095 139 0.2957 0.3359 REMARK 3 24 1.9410 - 1.9136 0.94 3000 130 0.3005 0.3492 REMARK 3 25 1.9136 - 1.8878 0.89 2837 129 0.3279 0.3345 REMARK 3 26 1.8878 - 1.8632 0.83 2621 115 0.3426 0.3653 REMARK 3 27 1.8632 - 1.8400 0.68 2230 104 0.3481 0.3685 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.250 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.980 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 50.72 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 48.77 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 6O11 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-FEB-19. REMARK 100 THE DEPOSITION ID IS D_1000239483. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-NOV-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 46852 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.840 REMARK 200 RESOLUTION RANGE LOW (A) : 89.397 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 200 DATA REDUNDANCY : 12.07 REMARK 200 R MERGE (I) : 0.08200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.5100 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.84 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.95 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.1 REMARK 200 DATA REDUNDANCY IN SHELL : 7.53 REMARK 200 R MERGE FOR SHELL (I) : 1.86700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.760 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: PDB ENTRY 1JF9 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.21 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.02 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20-30% W/V PEG3350, 0.1 M TRIS-HCL, REMARK 280 0.2 M MAGNESIUM CHLORIDE, PH 7, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 42 21 2 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 -Y+1/2,X+1/2,Z+1/2 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/2 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/2 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 0.000000 -1.000000 0.000000 63.21300 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 63.21300 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 33.54350 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 63.21300 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 63.21300 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 33.54350 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 63.21300 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 63.21300 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 33.54350 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 63.21300 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 63.21300 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 33.54350 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 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: 6940 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 26840 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -65.0 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 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 603 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 667 LIES ON A SPECIAL POSITION. 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 ARG A 56 -97.10 -127.35 REMARK 500 ILE A 127 -59.16 -127.95 REMARK 500 LEU A 227 41.00 -97.37 REMARK 500 TRP A 249 -77.48 -102.98 REMARK 500 SER A 254 -31.41 83.31 REMARK 500 ALA A 365 57.69 -141.00 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 CL A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue C6P A 502 DBREF 6O11 A 1 406 UNP P77444 SUFS_ECOLI 1 406 SEQADV 6O11 ALA A 364 UNP P77444 CYS 364 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 ARG 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 ALA 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 C6P A 502 22 HETNAM CL CHLORIDE ION HETNAM C6P N-({3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY)METHYL]PYRIDIN- HETNAM 2 C6P 4-YL}METHYL)-L-CYSTEINE HETSYN C6P 4-((1-CARBOXY-2-THIOL-ETHYLAMINO)-METHYL)-3-HYDROXY-2- HETSYN 2 C6P METHYL-5-PHOSPHONOOXYMETHYL-PYRIDINIUM FORMUL 2 CL CL 1- FORMUL 3 C6P C11 H17 N2 O7 P S FORMUL 4 HOH *96(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 GLU A 318 1 21 HELIX 18 AB9 HIS A 343 TYR A 354 1 12 HELIX 19 AC1 ALA A 365 TYR A 372 1 8 HELIX 20 AC2 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 ALA A 169 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 SER A 260 0 SHEET 2 AA4 2 GLY A 264 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 CISPEP 1 ALA A 270 PRO A 271 0 2.00 SITE 1 AC1 4 HIS A 124 GLY A 253 SER A 254 HIS A 362 SITE 1 AC2 17 ALA A 30 ALA A 31 ARG A 56 THR A 94 SITE 2 AC2 17 THR A 95 HIS A 123 ASN A 175 ASP A 200 SITE 3 AC2 17 ALA A 202 GLN A 203 SER A 223 HIS A 225 SITE 4 AC2 17 LYS A 226 THR A 278 ARG A 359 ARG A 379 SITE 5 AC2 17 HOH A 625 CRYST1 126.426 126.426 67.087 90.00 90.00 90.00 P 42 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 0.007910 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007910 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014906 0.00000