HEADER LYASE 22-FEB-01 1I4N TITLE CRYSTAL STRUCTURE OF INDOLEGLYCEROL PHOSPHATE SYNTHASE FROM TITLE 2 THERMOTOGA MARITIMA COMPND MOL_ID: 1; COMPND 2 MOLECULE: INDOLE-3-GLYCEROL PHOSPHATE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: INDOLEGLYCEROL PHOSPHATE SYNTHASE, IGPS; COMPND 5 EC: 4.1.1.48; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMOTOGA MARITIMA; SOURCE 3 ORGANISM_TAXID: 2336; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS INDOLEGLYCEROL PHOSPHATE SYNTHASE; THERMOTOGA MARITIMA; KEYWDS 2 THERMOSTABLE TIM-BARREL PROTEIN; SALT BRIDGES; KEYWDS 3 ELECTROSTATIC INTERACTIONS, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR T.KNOECHEL,A.PAPPENBERGER,J.N.JANSONIUS,K.KIRSCHNER REVDAT 3 24-FEB-09 1I4N 1 VERSN REVDAT 2 01-APR-03 1I4N 1 JRNL REVDAT 1 20-MAR-02 1I4N 0 JRNL AUTH T.KNOCHEL,A.PAPPENBERGER,J.N.JANSONIUS,K.KIRSCHNER JRNL TITL THE CRYSTAL STRUCTURE OF INDOLEGLYCEROL-PHOSPHATE JRNL TITL 2 SYNTHASE FROM THERMOTOGA MARITIMA. KINETIC JRNL TITL 3 STABILIZATION BY SALT BRIDGES. JRNL REF J.BIOL.CHEM. V. 277 8626 2002 JRNL REFN ISSN 0021-9258 JRNL PMID 11741953 JRNL DOI 10.1074/JBC.M109517200 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 19968 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.169 REMARK 3 FREE R VALUE : 0.233 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2372 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4020 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 80 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 44.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.62 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1I4N COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-FEB-01. REMARK 100 THE RCSB ID CODE IS RCSB012898. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-APR-96 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM1A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8722 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (TRUNCATE) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20875 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.470 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 5.800 REMARK 200 R MERGE (I) : 0.06400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.47 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.53 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.2 REMARK 200 DATA REDUNDANCY IN SHELL : 5.40 REMARK 200 R MERGE FOR SHELL (I) : 0.20200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.600 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.64 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, AMMONIUM PHOSPHATE, REMARK 280 CACODYLATE, PH 6.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 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,X,Z+3/4 REMARK 290 4555 Y,-X,Z+1/4 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 124.02000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 186.03000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 62.01000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 ARG A 28 NE - CZ - NH2 ANGL. DEV. = 3.5 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 ALA A 55 -81.95 -105.55 REMARK 500 VAL A 170 -32.39 -137.37 REMARK 500 LEU A 183 3.87 -65.69 REMARK 500 PHE A 186 21.43 83.81 REMARK 500 SER A 210 159.32 69.93 REMARK 500 ALA B 55 -19.35 -153.53 REMARK 500 ASN B 59 86.45 -155.58 REMARK 500 SER B 210 149.87 76.05 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH B 642 DISTANCE = 5.52 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 500 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 501 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1IGS RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF INDOLEGLYCEROL PHOSPHATE SYNTHASE FROM REMARK 900 SULFOLOBUS SOLFATARICUS REMARK 900 RELATED ID: 1JUK RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF INDOLEGLYCEROL PHOSPHATE SYNTHASE FROM REMARK 900 SULFOLOBUS SOLFATARICUS REMARK 900 RELATED ID: 1JUL RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF INDOLEGLYCEROL PHOSPHATE SYNTHASE FROM REMARK 900 SULFOLOBUS SOLFATARICUS REMARK 900 RELATED ID: 1PII RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF INDOLEGLYCEROL PHOSPHATE SYNTHASE FROM REMARK 900 ESCHERICHIA COLI DBREF 1I4N A 2 252 UNP Q56319 TRPC_THEMA 2 252 DBREF 1I4N B 2 252 UNP Q56319 TRPC_THEMA 2 252 SEQRES 1 A 251 ARG ARG LEU TRP GLU ILE VAL GLU ALA LYS LYS LYS ASP SEQRES 2 A 251 ILE LEU GLU ILE ASP GLY GLU ASN LEU ILE VAL GLN ARG SEQRES 3 A 251 ARG ASN HIS ARG PHE LEU GLU VAL LEU SER GLY LYS GLU SEQRES 4 A 251 ARG VAL LYS ILE ILE ALA GLU PHE LYS LYS ALA SER PRO SEQRES 5 A 251 SER ALA GLY ASP ILE ASN ALA ASP ALA SER LEU GLU ASP SEQRES 6 A 251 PHE ILE ARG MET TYR ASP GLU LEU ALA ASP ALA ILE SER SEQRES 7 A 251 ILE LEU THR GLU LYS HIS TYR PHE LYS GLY ASP PRO ALA SEQRES 8 A 251 PHE VAL ARG ALA ALA ARG ASN LEU THR CYS ARG PRO ILE SEQRES 9 A 251 LEU ALA LYS ASP PHE TYR ILE ASP THR VAL GLN VAL LYS SEQRES 10 A 251 LEU ALA SER SER VAL GLY ALA ASP ALA ILE LEU ILE ILE SEQRES 11 A 251 ALA ARG ILE LEU THR ALA GLU GLN ILE LYS GLU ILE TYR SEQRES 12 A 251 GLU ALA ALA GLU GLU LEU GLY MET ASP SER LEU VAL GLU SEQRES 13 A 251 VAL HIS SER ARG GLU ASP LEU GLU LYS VAL PHE SER VAL SEQRES 14 A 251 ILE ARG PRO LYS ILE ILE GLY ILE ASN THR ARG ASP LEU SEQRES 15 A 251 ASP THR PHE GLU ILE LYS LYS ASN VAL LEU TRP GLU LEU SEQRES 16 A 251 LEU PRO LEU VAL PRO ASP ASP THR VAL VAL VAL ALA GLU SEQRES 17 A 251 SER GLY ILE LYS ASP PRO ARG GLU LEU LYS ASP LEU ARG SEQRES 18 A 251 GLY LYS VAL ASN ALA VAL LEU VAL GLY THR SER ILE MET SEQRES 19 A 251 LYS ALA GLU ASN PRO ARG ARG PHE LEU GLU GLU MET ARG SEQRES 20 A 251 ALA TRP SER GLU SEQRES 1 B 251 ARG ARG LEU TRP GLU ILE VAL GLU ALA LYS LYS LYS ASP SEQRES 2 B 251 ILE LEU GLU ILE ASP GLY GLU ASN LEU ILE VAL GLN ARG SEQRES 3 B 251 ARG ASN HIS ARG PHE LEU GLU VAL LEU SER GLY LYS GLU SEQRES 4 B 251 ARG VAL LYS ILE ILE ALA GLU PHE LYS LYS ALA SER PRO SEQRES 5 B 251 SER ALA GLY ASP ILE ASN ALA ASP ALA SER LEU GLU ASP SEQRES 6 B 251 PHE ILE ARG MET TYR ASP GLU LEU ALA ASP ALA ILE SER SEQRES 7 B 251 ILE LEU THR GLU LYS HIS TYR PHE LYS GLY ASP PRO ALA SEQRES 8 B 251 PHE VAL ARG ALA ALA ARG ASN LEU THR CYS ARG PRO ILE SEQRES 9 B 251 LEU ALA LYS ASP PHE TYR ILE ASP THR VAL GLN VAL LYS SEQRES 10 B 251 LEU ALA SER SER VAL GLY ALA ASP ALA ILE LEU ILE ILE SEQRES 11 B 251 ALA ARG ILE LEU THR ALA GLU GLN ILE LYS GLU ILE TYR SEQRES 12 B 251 GLU ALA ALA GLU GLU LEU GLY MET ASP SER LEU VAL GLU SEQRES 13 B 251 VAL HIS SER ARG GLU ASP LEU GLU LYS VAL PHE SER VAL SEQRES 14 B 251 ILE ARG PRO LYS ILE ILE GLY ILE ASN THR ARG ASP LEU SEQRES 15 B 251 ASP THR PHE GLU ILE LYS LYS ASN VAL LEU TRP GLU LEU SEQRES 16 B 251 LEU PRO LEU VAL PRO ASP ASP THR VAL VAL VAL ALA GLU SEQRES 17 B 251 SER GLY ILE LYS ASP PRO ARG GLU LEU LYS ASP LEU ARG SEQRES 18 B 251 GLY LYS VAL ASN ALA VAL LEU VAL GLY THR SER ILE MET SEQRES 19 B 251 LYS ALA GLU ASN PRO ARG ARG PHE LEU GLU GLU MET ARG SEQRES 20 B 251 ALA TRP SER GLU HET SO4 A 500 5 HET SO4 B 501 5 HETNAM SO4 SULFATE ION FORMUL 3 SO4 2(O4 S 2-) FORMUL 5 HOH *80(H2 O) HELIX 1 1 ARG A 3 ILE A 15 1 13 HELIX 2 2 LEU A 16 ILE A 18 5 3 HELIX 3 3 ASP A 19 LEU A 23 5 5 HELIX 4 4 HIS A 30 SER A 37 1 8 HELIX 5 5 SER A 63 ALA A 75 1 13 HELIX 6 6 PRO A 91 ASN A 99 1 9 HELIX 7 7 THR A 114 VAL A 123 1 10 HELIX 8 8 ARG A 133 LEU A 135 5 3 HELIX 9 9 THR A 136 GLU A 149 1 14 HELIX 10 10 SER A 160 SER A 169 1 10 HELIX 11 11 ASN A 191 LEU A 197 1 7 HELIX 12 12 PRO A 198 VAL A 200 5 3 HELIX 13 13 ASP A 214 ARG A 216 5 3 HELIX 14 14 GLU A 217 ARG A 222 1 6 HELIX 15 15 GLY A 231 ALA A 237 1 7 HELIX 16 16 ASN A 239 SER A 251 1 13 HELIX 17 17 ARG B 3 LEU B 16 1 14 HELIX 18 18 GLU B 17 ILE B 18 5 2 HELIX 19 19 ASP B 19 LEU B 23 5 5 HELIX 20 20 HIS B 30 SER B 37 1 8 HELIX 21 21 SER B 63 ALA B 75 1 13 HELIX 22 22 PRO B 91 ASN B 99 1 9 HELIX 23 23 THR B 114 VAL B 123 1 10 HELIX 24 24 ARG B 133 LEU B 135 5 3 HELIX 25 25 THR B 136 LEU B 150 1 15 HELIX 26 26 SER B 160 ILE B 171 1 12 HELIX 27 27 LYS B 190 LEU B 197 1 8 HELIX 28 28 PRO B 198 VAL B 200 5 3 HELIX 29 29 ASP B 214 ARG B 222 5 9 HELIX 30 30 GLY B 231 ALA B 237 1 7 HELIX 31 31 ASN B 239 GLU B 252 1 14 SHEET 1 A 9 LYS A 43 PHE A 48 0 SHEET 2 A 9 ALA A 77 LEU A 81 1 O ALA A 77 N ALA A 46 SHEET 3 A 9 ILE A 105 LYS A 108 1 N LEU A 106 O ILE A 78 SHEET 4 A 9 ALA A 127 ILE A 131 1 O ALA A 127 N ALA A 107 SHEET 5 A 9 ASP A 153 VAL A 158 1 O ASP A 153 N ILE A 128 SHEET 6 A 9 ILE A 175 ASN A 179 1 O ILE A 175 N VAL A 156 SHEET 7 A 9 VAL A 205 GLU A 209 1 O VAL A 205 N ILE A 176 SHEET 8 A 9 ALA A 227 VAL A 230 1 O ALA A 227 N ALA A 208 SHEET 9 A 9 LYS A 43 PHE A 48 1 O LYS A 43 N VAL A 228 SHEET 1 B 9 LYS B 43 PHE B 48 0 SHEET 2 B 9 ALA B 77 LEU B 81 1 O ALA B 77 N ALA B 46 SHEET 3 B 9 ILE B 105 LYS B 108 1 O LEU B 106 N ILE B 80 SHEET 4 B 9 ALA B 127 ILE B 131 1 O ALA B 127 N ALA B 107 SHEET 5 B 9 ASP B 153 VAL B 158 1 O ASP B 153 N ILE B 128 SHEET 6 B 9 ILE B 175 ASN B 179 1 O ILE B 175 N VAL B 156 SHEET 7 B 9 VAL B 205 GLU B 209 1 O VAL B 205 N ILE B 176 SHEET 8 B 9 ALA B 227 VAL B 230 1 O ALA B 227 N ALA B 208 SHEET 9 B 9 LYS B 43 PHE B 48 1 O LYS B 43 N VAL B 228 SHEET 1 C 2 ALA B 51 SER B 52 0 SHEET 2 C 2 GLY B 56 ASP B 57 -1 N GLY B 56 O SER B 52 SSBOND 1 CYS A 102 CYS B 102 1555 1555 2.05 SITE 1 AC1 8 LYS A 49 ARG A 181 SER A 210 GLY A 211 SITE 2 AC1 8 GLY A 231 THR A 232 HOH A 618 HOH A 619 SITE 1 AC2 7 LYS B 49 ARG B 181 SER B 210 GLY B 231 SITE 2 AC2 7 THR B 232 HOH B 643 HOH B 644 CRYST1 48.930 48.930 248.040 90.00 90.00 90.00 P 43 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 0.020437 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020437 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004032 0.00000 MASTER 287 0 2 31 20 0 4 6 0 0 0 40 END