HEADER TRANSCRIPTION 11-SEP-13 4MO7 TITLE CRYSTAL STRUCTURE OF SUPERANTIGEN PFIT COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSCRIPTIONAL REGULATOR I2; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSEUDOMONAS FLUORESCENS A506; SOURCE 3 ORGANISM_TAXID: 1037911; SOURCE 4 GENE: PFIT, PFLA506_3695; 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: PGEX-6P-1 KEYWDS TETR, SUPERANTIGEN, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR L.H.LIU,H.CHEN,H.M.LI REVDAT 1 05-FEB-14 4MO7 0 JRNL AUTH L.LIU,H.CHEN,M.B.BRECHER,Z.LI,B.WEI,B.NANDI,J.ZHANG,H.LING, JRNL AUTH 2 G.WINSLOW,J.BRAUN,H.LI JRNL TITL PFIT IS A STRUCTURALLY NOVEL CROHN'S DISEASE-ASSOCIATED JRNL TITL 2 SUPERANTIGEN. JRNL REF PLOS PATHOG. V. 9 03837 2013 JRNL REFN ISSN 1553-7366 JRNL PMID 24385909 JRNL DOI 10.1371/JOURNAL.PPAT.1003837 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.7.3_928) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VICENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE- REMARK 3 : KUNSTLEVE,LI-WEI HUNG,ROBERT IMMORMINO, REMARK 3 : TOM IOERGER,AIRLIE MCCOY,ERIK MCKEE,NIGEL REMARK 3 : MORIARTY,REETAL PAI,RANDY READ,JANE REMARK 3 : RICHARDSON,DAVID RICHARDSON,TOD ROMO,JIM REMARK 3 : SACCHETTINI,NICHOLAS SAUTER,JACOB SMITH, REMARK 3 : LAURENT STORONI,TOM TERWILLIGER,PETER REMARK 3 : ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.19 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 18840 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.191 REMARK 3 R VALUE (WORKING SET) : 0.189 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.980 REMARK 3 FREE R VALUE TEST SET COUNT : 938 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 25.1943 - 3.2511 0.99 2590 131 0.1806 0.2140 REMARK 3 2 3.2511 - 2.5813 1.00 2580 138 0.1731 0.2070 REMARK 3 3 2.5813 - 2.2553 1.00 2558 138 0.1705 0.2304 REMARK 3 4 2.2553 - 2.0492 1.00 2565 130 0.1811 0.2367 REMARK 3 5 2.0492 - 1.9024 1.00 2559 137 0.2084 0.2450 REMARK 3 6 1.9024 - 1.7902 1.00 2545 130 0.2441 0.3442 REMARK 3 7 1.7902 - 1.7006 0.97 2505 134 0.3054 0.3851 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.00 REMARK 3 SHRINKAGE RADIUS : 0.73 REMARK 3 K_SOL : 0.40 REMARK 3 B_SOL : 61.80 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.270 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.750 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.30040 REMARK 3 B22 (A**2) : -0.37170 REMARK 3 B33 (A**2) : 1.67210 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -1.34450 REMARK 3 B23 (A**2) : -0.00000 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 : 0.016 1568 REMARK 3 ANGLE : 1.572 2121 REMARK 3 CHIRALITY : 0.105 239 REMARK 3 PLANARITY : 0.006 273 REMARK 3 DIHEDRAL : 15.408 581 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 4MO7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-SEP-13. REMARK 100 THE RCSB ID CODE IS RCSB082157. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-FEB-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.04023 REMARK 200 MONOCHROMATOR : MIRROR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18843 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : 0.04900 REMARK 200 R SYM (I) : 0.04900 REMARK 200 FOR THE DATA SET : 30.3000 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) : 1.76 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.8 REMARK 200 DATA REDUNDANCY IN SHELL : 2.80 REMARK 200 R MERGE FOR SHELL (I) : 0.55600 REMARK 200 R SYM FOR SHELL (I) : 0.55600 REMARK 200 FOR SHELL : 2.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: PHENIX (PHENIX.REFINE: 1.7.3_928) REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 33.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.86 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 4-8% PEG 3350, 0.1 M TRIS, 0.2 M REMARK 280 AMMONIUM ACETATE, 5 MM MGCL2, 5 MM DTT, 5% ISOPROPANOL, AND 5% REMARK 280 GLYCEROL, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 18.61300 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 46.83050 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 18.61300 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 46.83050 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: 2390 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18800 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -18.0 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 -1.000000 0.000000 0.000000 75.35925 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 100.76883 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 357 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 388 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 384 LIES ON A SPECIAL POSITION. REMARK 375 MG MG A 201 LIES ON A SPECIAL POSITION. 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 GLY A -13 REMARK 465 PRO A -12 REMARK 465 LEU A -11 REMARK 465 GLY A -10 REMARK 465 SER A -9 REMARK 465 MET A -8 REMARK 465 ASP A -7 REMARK 465 GLU A -6 REMARK 465 HIS A -5 REMARK 465 LYS A -4 REMARK 465 ALA A -3 REMARK 465 LEU A -2 REMARK 465 GLY A -1 REMARK 465 VAL A 0 REMARK 465 MET A 1 REMARK 465 ARG A 2 REMARK 465 THR A 3 REMARK 465 MET A 4 REMARK 465 VAL A 5 REMARK 465 ASP A 6 REMARK 465 SER A 7 REMARK 465 GLY A 8 REMARK 465 GLN A 9 REMARK 465 LEU A 10 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 363 O HOH A 365 2757 2.13 REMARK 500 REMARK 500 REMARK: NULL 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 13 C - N - CA ANGL. DEV. = 9.3 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 SER A 107 -10.10 61.08 REMARK 500 TRP A 174 -16.37 -141.25 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 201 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 387 O REMARK 620 2 HOH A 411 O 79.7 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 202 DBREF 4MO7 A -8 198 UNP I2BPL4 I2BPL4_PSEFL 1 207 SEQADV 4MO7 GLY A -13 UNP I2BPL4 EXPRESSION TAG SEQADV 4MO7 PRO A -12 UNP I2BPL4 EXPRESSION TAG SEQADV 4MO7 LEU A -11 UNP I2BPL4 EXPRESSION TAG SEQADV 4MO7 GLY A -10 UNP I2BPL4 EXPRESSION TAG SEQADV 4MO7 SER A -9 UNP I2BPL4 EXPRESSION TAG SEQRES 1 A 212 GLY PRO LEU GLY SER MET ASP GLU HIS LYS ALA LEU GLY SEQRES 2 A 212 VAL MET ARG THR MET VAL ASP SER GLY GLN LEU THR ASP SEQRES 3 A 212 PRO GLU SER ALA ARG GLY LYS LEU LEU GLN THR ALA ALA SEQRES 4 A 212 HIS LEU PHE ARG ASN LYS GLY PHE GLU ARG THR THR VAL SEQRES 5 A 212 ARG ASP LEU ALA SER ALA VAL GLY ILE GLN SER GLY SER SEQRES 6 A 212 ILE PHE HIS HIS PHE LYS SER LYS ASP GLU ILE LEU ARG SEQRES 7 A 212 ALA VAL MET GLU GLU THR ILE HIS TYR ASN THR ALA MET SEQRES 8 A 212 MET ARG ALA SER LEU GLU GLU ALA SER THR VAL ARG GLU SEQRES 9 A 212 ARG VAL LEU ALA LEU ILE ARG CME GLU LEU GLN SER ILE SEQRES 10 A 212 MET GLY GLY SER GLY GLU ALA MET ALA VAL LEU VAL TYR SEQRES 11 A 212 GLU TRP ARG SER LEU SER ALA GLU GLY GLN ALA HIS VAL SEQRES 12 A 212 LEU ALA LEU ARG ASP VAL TYR GLU GLN ILE TRP LEU GLN SEQRES 13 A 212 VAL LEU GLY GLU ALA LYS ALA ALA GLY TYR ILE ARG GLY SEQRES 14 A 212 ASP VAL PHE ILE THR ARG ARG PHE LEU THR GLY ALA LEU SEQRES 15 A 212 SER TRP THR THR THR TRP PHE ARG ALA GLN GLY SER LEU SEQRES 16 A 212 THR LEU GLU GLU LEU ALA GLU GLU ALA LEU LEU MET VAL SEQRES 17 A 212 LEU LYS SER ASP MODRES 4MO7 CME A 98 CYS S,S-(2-HYDROXYETHYL)THIOCYSTEINE HET CME A 98 10 HET MG A 201 1 HET BME A 202 4 HETNAM CME S,S-(2-HYDROXYETHYL)THIOCYSTEINE HETNAM MG MAGNESIUM ION HETNAM BME BETA-MERCAPTOETHANOL FORMUL 1 CME C5 H11 N O3 S2 FORMUL 2 MG MG 2+ FORMUL 3 BME C2 H6 O S FORMUL 4 HOH *111(H2 O) HELIX 1 1 SER A 15 GLY A 32 1 18 HELIX 2 2 THR A 37 GLY A 46 1 10 HELIX 3 3 GLN A 48 HIS A 55 5 8 HELIX 4 4 SER A 58 GLU A 84 1 27 HELIX 5 5 THR A 87 MET A 104 1 18 HELIX 6 6 SER A 107 GLU A 117 1 11 HELIX 7 7 TRP A 118 LEU A 121 5 4 HELIX 8 8 SER A 122 ALA A 150 1 29 HELIX 9 9 ASP A 156 TRP A 170 1 15 HELIX 10 10 THR A 171 THR A 173 5 3 HELIX 11 11 TRP A 174 GLY A 179 1 6 HELIX 12 12 THR A 182 LEU A 195 1 14 LINK C ARG A 97 N CME A 98 1555 1555 1.34 LINK C CME A 98 N GLU A 99 1555 1555 1.34 LINK MG MG A 201 O HOH A 387 1555 1555 2.65 LINK MG MG A 201 O HOH A 411 1555 1555 2.95 SITE 1 AC1 3 HIS A 26 HOH A 387 HOH A 411 SITE 1 AC2 1 GLN A 142 CRYST1 37.226 93.661 53.557 90.00 109.82 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 0.026863 0.000000 0.009684 0.00000 SCALE2 0.000000 0.010677 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019848 0.00000