HEADER TRANSCRIPTION 29-NOV-13 4CH7 TITLE CRYSTAL STRUCTURE OF THE SIROHEME DECARBOXYLASE NIRDL COMPND MOL_ID: 1; COMPND 2 MOLECULE: NIRD-LIKE PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: NIRDL; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HYDROGENOBACTER THERMOPHILUS; SOURCE 3 ORGANISM_TAXID: 608538; SOURCE 4 STRAIN: TK-6; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET22B; SOURCE 10 OTHER_DETAILS: DSM-6534 KEYWDS TRANSCRIPTION, BIFUNCTIONAL ENZYME, TRANSCRIPTIONAL REGULATOR EXPDTA X-RAY DIFFRACTION AUTHOR S.SCHMELZ,T.M.KRIEGLER,K.HAUFSCHILDT,G.LAYER,D.W.HEINZ REVDAT 3 10-SEP-14 4CH7 1 JRNL REVDAT 2 13-AUG-14 4CH7 1 JRNL REVDAT 1 30-JUL-14 4CH7 0 JRNL AUTH K.HAUFSCHILDT,S.SCHMELZ,T.M.KRIEGLER,A.NEUMANN,J.STREIF, JRNL AUTH 2 H.ARAI,D.W.HEINZ,G.LAYER JRNL TITL THE CRYSTAL STRUCTURE OF SIROHEME DECARBOXYLASE IN COMPLEX JRNL TITL 2 WITH IRON-UROPORPHYRIN III REVEALS TWO ESSENTIAL HISTIDINE JRNL TITL 3 RESIDUES JRNL REF J.MOL.BIOL. V. 426 3272 2014 JRNL REFN ISSN 0022-2836 JRNL PMID 25083922 JRNL DOI 10.1016/J.JMB.2014.07.021 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VICENT 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) : 2.002 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.310 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 2.00 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.00 REMARK 3 NUMBER OF REFLECTIONS : 24240 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.2277 REMARK 3 R VALUE (WORKING SET) : 0.2252 REMARK 3 FREE R VALUE : 0.2709 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.0 REMARK 3 FREE R VALUE TEST SET COUNT : 1213 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 24.3119 - 4.1588 0.99 2630 139 0.1848 0.2333 REMARK 3 2 4.1588 - 3.3036 1.00 2589 136 0.2038 0.2219 REMARK 3 3 3.3036 - 2.8868 1.00 2585 136 0.2496 0.3098 REMARK 3 4 2.8868 - 2.6232 1.00 2575 136 0.2617 0.3222 REMARK 3 5 2.6232 - 2.4353 0.99 2559 134 0.2791 0.3188 REMARK 3 6 2.4353 - 2.2919 0.99 2551 135 0.2778 0.3190 REMARK 3 7 2.2919 - 2.1772 0.99 2539 133 0.2964 0.3809 REMARK 3 8 2.1772 - 2.0825 0.99 2547 135 0.2967 0.3973 REMARK 3 9 2.0825 - 2.0023 0.97 2452 129 0.3107 0.3552 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) : 0.22 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 35.34 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 42.25 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 60.4 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 : 0.003 2597 REMARK 3 ANGLE : 0.766 3494 REMARK 3 CHIRALITY : 0.051 391 REMARK 3 PLANARITY : 0.002 441 REMARK 3 DIHEDRAL : 14.007 991 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 4CH7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 29-NOV-13. REMARK 100 THE PDBE ID CODE IS EBI-59113. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-DEC-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PETRA III REMARK 200 BEAMLINE : P11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.999 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL (PILATUS 6MF-0109) REMARK 200 DETECTOR MANUFACTURER : DECTRIS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24244 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.00 REMARK 200 RESOLUTION RANGE LOW (A) : 24.30 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.4 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 4.5 REMARK 200 R MERGE (I) : 0.03 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 23.30 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.10 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.3 REMARK 200 DATA REDUNDANCY IN SHELL : 4.5 REMARK 200 R MERGE FOR SHELL (I) : 0.47 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.00 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: AUTOSOL REMARK 200 STARTING MODEL: NONE REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.4 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.43 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 19.0% PEG 3350, 0.1M NACIT PH REMARK 280 5.6, 6.7 MM 4-AMINOBENZOIC ACID, 180 MM LICL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 X+1/2,Y+1/2,Z 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 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 1.000000 0.000000 0.000000 50.67500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 36.04500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 50.67500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 36.04500 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 MSE A 1 REMARK 465 GLY A 2 REMARK 465 ILE A 143 REMARK 465 GLY A 144 REMARK 465 VAL A 145 REMARK 465 LYS A 146 REMARK 465 LEU A 147 REMARK 465 ASP A 148 REMARK 465 TYR A 149 REMARK 465 GLU A 150 REMARK 465 SER A 151 REMARK 465 PRO A 152 REMARK 465 ALA A 153 REMARK 465 GLU A 154 REMARK 465 LYS A 155 REMARK 465 GLU A 156 REMARK 465 SER A 157 REMARK 465 VAL A 158 REMARK 465 ASP A 159 REMARK 465 THR A 160 REMARK 465 LYS A 161 REMARK 465 LEU A 224 REMARK 465 TYR A 225 REMARK 465 HIS A 226 REMARK 465 ARG A 227 REMARK 465 ARG A 228 REMARK 465 ALA A 229 REMARK 465 GLY A 230 REMARK 465 HIS A 338 REMARK 465 HIS A 339 REMARK 465 HIS A 340 REMARK 465 HIS A 341 REMARK 465 HIS A 342 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 PHE A 141 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS A 142 CG CD CE NZ REMARK 470 GLU A 297 CG CD OE1 OE2 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 113 -53.88 -139.94 REMARK 500 VAL A 232 -79.87 -66.47 REMARK 500 SER A 260 -113.97 -104.22 REMARK 500 LYS A 282 35.71 -97.46 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4CZC RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE SIROHEME DECARBOXYLASE NIRDL IN REMARK 900 CO-COMPLEX WITH IRON-UROPORPHYRIN III ANALOGUE DBREF 4CH7 A 1 334 UNP D3DFS4 D3DFS4_HYDTT 1 334 SEQADV 4CH7 LEU A 335 UNP D3DFS4 EXPRESSION TAG SEQADV 4CH7 GLU A 336 UNP D3DFS4 EXPRESSION TAG SEQADV 4CH7 HIS A 337 UNP D3DFS4 EXPRESSION TAG SEQADV 4CH7 HIS A 338 UNP D3DFS4 EXPRESSION TAG SEQADV 4CH7 HIS A 339 UNP D3DFS4 EXPRESSION TAG SEQADV 4CH7 HIS A 340 UNP D3DFS4 EXPRESSION TAG SEQADV 4CH7 HIS A 341 UNP D3DFS4 EXPRESSION TAG SEQADV 4CH7 HIS A 342 UNP D3DFS4 EXPRESSION TAG SEQRES 1 A 342 MSE GLY ASN GLU PHE ASP LYS ILE LEU LYS ILE ILE GLN SEQRES 2 A 342 LYS ASP ILE PRO LEU VAL LYS GLU PRO PHE SER VAL LEU SEQRES 3 A 342 ALA GLN GLU VAL GLY ILE GLU GLU GLY LYS LEU LEU LYS SEQRES 4 A 342 THR ILE GLU LYS LEU VAL GLU ASP GLY ILE VAL ARG HIS SEQRES 5 A 342 ILE ALA PRO ILE TYR ASP SER ARG LEU LEU GLY TYR ASP SEQRES 6 A 342 SER ALA LEU ILE ALA PHE LYS VAL ASP ARG GLN LYS LEU SEQRES 7 A 342 GLU GLU VAL ALA ASN PHE VAL ASN ALA CYS PRO GLY VAL SEQRES 8 A 342 SER HIS ASN TYR GLU ARG THR HIS ASP PHE ASN LEU TRP SEQRES 9 A 342 PHE THR LEU ALA VAL PRO PRO GLU ILE SER GLU LEU GLU SEQRES 10 A 342 ASP VAL VAL ARG LEU MSE ALA GLU ARG GLU ARG VAL LYS SEQRES 11 A 342 ASP TYR LEU VAL LEU ARG VAL VAL ARG LEU PHE LYS ILE SEQRES 12 A 342 GLY VAL LYS LEU ASP TYR GLU SER PRO ALA GLU LYS GLU SEQRES 13 A 342 SER VAL ASP THR LYS VAL TYR THR TYR THR PRO LEU THR SEQRES 14 A 342 GLU GLU GLU LYS ARG ILE VAL SER ILE THR GLN GLY SER SEQRES 15 A 342 PHE PRO LEU VAL GLU ARG PRO PHE LEU GLU TYR ALA LYS SEQRES 16 A 342 ARG LEU ARG MSE SER GLU GLU GLU LEU LEU GLU LYS LEU SEQRES 17 A 342 SER ALA LEU LYS GLU ARG GLY VAL LEU ARG ARG ILE SER SEQRES 18 A 342 ALA VAL LEU TYR HIS ARG ARG ALA GLY TYR VAL ALA ASN SEQRES 19 A 342 ALA MSE SER VAL TRP GLU VAL PRO GLU ASP ALA ILE GLU SEQRES 20 A 342 GLU VAL GLY ARG TYR ILE ALA GLY PHE LYS GLY VAL SER SEQRES 21 A 342 HIS CYS TYR GLN ARG THR THR SER GLU LYS PHE ARG TYR SEQRES 22 A 342 ASN LEU PHE ALA MSE MSE HIS GLY LYS GLY GLN GLU GLU SEQRES 23 A 342 ILE LYS LEU LEU ALA GLU THR ILE SER ARG GLU LYS ALA SEQRES 24 A 342 LEU SER LYS TYR ALA LEU LEU PHE SER THR ARG GLU PHE SEQRES 25 A 342 LYS LYS VAL ARG ILE LYS TYR PHE SER GLU GLU PHE GLU SEQRES 26 A 342 ARG TRP PHE LYS GLU LEU ILE SER ALA LEU GLU HIS HIS SEQRES 27 A 342 HIS HIS HIS HIS MODRES 4CH7 MSE A 123 MET SELENOMETHIONINE MODRES 4CH7 MSE A 199 MET SELENOMETHIONINE MODRES 4CH7 MSE A 236 MET SELENOMETHIONINE MODRES 4CH7 MSE A 278 MET SELENOMETHIONINE MODRES 4CH7 MSE A 279 MET SELENOMETHIONINE HET MSE A 123 8 HET MSE A 199 8 HET MSE A 236 8 HET MSE A 278 8 HET MSE A 279 8 HETNAM MSE SELENOMETHIONINE FORMUL 2 MSE 5(C5 H11 N O2 SE) FORMUL 3 HOH *72(H2 O) HELIX 1 1 ASN A 3 ILE A 12 1 10 HELIX 2 2 GLU A 21 GLY A 31 1 11 HELIX 3 3 GLU A 33 ASP A 47 1 15 HELIX 4 4 SER A 59 GLY A 63 5 5 HELIX 5 5 ASP A 74 CYS A 88 1 15 HELIX 6 6 GLU A 115 GLU A 127 1 13 HELIX 7 7 THR A 169 GLN A 180 1 12 HELIX 8 8 PHE A 190 LEU A 197 1 8 HELIX 9 9 SER A 200 ARG A 214 1 15 HELIX 10 10 ALA A 245 GLY A 255 1 11 HELIX 11 11 GLY A 283 LYS A 298 1 16 HELIX 12 12 GLU A 322 GLU A 336 1 15 SHEET 1 AA 2 HIS A 52 TYR A 57 0 SHEET 2 AA 2 LEU A 217 VAL A 223 -1 N ARG A 218 O ILE A 56 SHEET 1 AB 9 TYR A 132 LEU A 135 0 SHEET 2 AB 9 ASP A 65 PHE A 71 -1 O LEU A 68 N LEU A 135 SHEET 3 AB 9 LEU A 103 VAL A 109 -1 O LEU A 103 N PHE A 71 SHEET 4 AB 9 VAL A 91 ARG A 97 -1 N SER A 92 O THR A 106 SHEET 5 AB 9 TYR A 303 LYS A 314 -1 N THR A 309 O GLU A 96 SHEET 6 AB 9 ALA A 233 TRP A 239 -1 O ASN A 234 N SER A 308 SHEET 7 AB 9 LEU A 275 GLY A 281 -1 O LEU A 275 N TRP A 239 SHEET 8 AB 9 VAL A 259 GLN A 264 -1 N SER A 260 O MSE A 278 SHEET 9 AB 9 VAL A 138 ARG A 139 -1 O VAL A 138 N GLN A 264 LINK C LEU A 122 N MSE A 123 1555 1555 1.33 LINK C MSE A 123 N ALA A 124 1555 1555 1.33 LINK C ARG A 198 N MSE A 199 1555 1555 1.33 LINK C MSE A 199 N SER A 200 1555 1555 1.33 LINK C ALA A 235 N MSE A 236 1555 1555 1.33 LINK C MSE A 236 N SER A 237 1555 1555 1.33 LINK C ALA A 277 N MSE A 278 1555 1555 1.33 LINK C MSE A 278 N MSE A 279 1555 1555 1.33 LINK C MSE A 279 N HIS A 280 1555 1555 1.33 CRYST1 101.350 72.090 51.200 90.00 100.40 90.00 C 1 2 1 4 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 0.009867 0.000000 0.001811 0.00000 SCALE2 0.000000 0.013872 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019857 0.00000