HEADER TRANSCRIPTION 04-OCT-12 4HF0 TITLE CRYSTAL STRUCTURE OF APO ISCR COMPND MOL_ID: 1; COMPND 2 MOLECULE: HTH-TYPE TRANSCRIPTIONAL REGULATOR ISCR; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: ISCR (UNP RESIDUES 1-133); COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 STRAIN: K12; SOURCE 5 GENE: ISCR, YFHP, B2531, JW2515; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS WHTH, PROTEIN-DNA COMPLEX, IRON-SULFUR CLUSTER, WINGED HELIX-TURN- KEYWDS 2 HELIX, TRANSCRIPTIONAL REGULATOR, REDOX SENSOR, DNA BINDING, KEYWDS 3 TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR S.R.RAJAGOPALAN,K.J.PHILLIPS REVDAT 3 03-JUL-13 4HF0 1 JRNL REVDAT 2 29-MAY-13 4HF0 1 JRNL REVDAT 1 08-MAY-13 4HF0 0 JRNL AUTH S.RAJAGOPALAN,S.J.TETER,P.H.ZWART,R.G.BRENNAN,K.J.PHILLIPS, JRNL AUTH 2 P.J.KILEY JRNL TITL STUDIES OF ISCR REVEAL A UNIQUE MECHANISM FOR JRNL TITL 2 METAL-DEPENDENT REGULATION OF DNA BINDING SPECIFICITY. JRNL REF NAT.STRUCT.MOL.BIOL. V. 20 740 2013 JRNL REFN ISSN 1545-9993 JRNL PMID 23644595 JRNL DOI 10.1038/NSMB.2568 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8.1_1161) 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.62 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 22775 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.196 REMARK 3 R VALUE (WORKING SET) : 0.193 REMARK 3 FREE R VALUE : 0.221 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.720 REMARK 3 FREE R VALUE TEST SET COUNT : 1983 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 48.6380 - 4.5844 1.00 1580 153 0.1855 0.1946 REMARK 3 2 4.5844 - 3.6392 1.00 1521 140 0.1600 0.1762 REMARK 3 3 3.6392 - 3.1793 1.00 1494 147 0.2041 0.2273 REMARK 3 4 3.1793 - 2.8886 1.00 1480 141 0.2054 0.2467 REMARK 3 5 2.8886 - 2.6816 1.00 1488 143 0.2032 0.2452 REMARK 3 6 2.6816 - 2.5235 1.00 1481 138 0.1852 0.2072 REMARK 3 7 2.5235 - 2.3971 1.00 1476 144 0.1838 0.2537 REMARK 3 8 2.3971 - 2.2928 1.00 1481 145 0.1937 0.2283 REMARK 3 9 2.2928 - 2.2045 0.99 1463 141 0.2207 0.2649 REMARK 3 10 2.2045 - 2.1284 1.00 1469 142 0.1858 0.2162 REMARK 3 11 2.1284 - 2.0619 1.00 1440 135 0.1898 0.2329 REMARK 3 12 2.0619 - 2.0030 1.00 1477 139 0.2065 0.2282 REMARK 3 13 2.0030 - 1.9502 1.00 1472 141 0.2266 0.2340 REMARK 3 14 1.9502 - 1.9026 0.99 1438 134 0.3129 0.3370 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) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.530 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 24.74 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.09 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 : 0.008 1764 REMARK 3 ANGLE : 0.984 2384 REMARK 3 CHIRALITY : 0.071 284 REMARK 3 PLANARITY : 0.004 307 REMARK 3 DIHEDRAL : 12.906 636 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 4HF0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-OCT-12. REMARK 100 THE RCSB ID CODE IS RCSB075383. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-SEP-10 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 : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97 REMARK 200 MONOCHROMATOR : DOUBLE-CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22775 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.62 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2M AMMONIUM SULFATE, 20% GLYCEROL, PH REMARK 280 7, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 20.91133 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 41.82267 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 41.82267 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 20.91133 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3660 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10910 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -45.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9210 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19940 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -99.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 20.91133 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 B 314 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 GLU A 85 REMARK 465 SER A 86 REMARK 465 VAL A 87 REMARK 465 ASP A 88 REMARK 465 ALA A 89 REMARK 465 THR A 90 REMARK 465 ARG A 91 REMARK 465 ALA A 92 REMARK 465 GLN A 93 REMARK 465 GLY A 94 REMARK 465 LYS A 95 REMARK 465 GLY A 96 REMARK 465 GLY A 97 REMARK 465 GLY A 134 REMARK 465 GLY A 135 REMARK 465 HIS A 136 REMARK 465 HIS A 137 REMARK 465 HIS A 138 REMARK 465 HIS A 139 REMARK 465 HIS A 140 REMARK 465 HIS A 141 REMARK 465 GLU B 85 REMARK 465 SER B 86 REMARK 465 VAL B 87 REMARK 465 ASP B 88 REMARK 465 ALA B 89 REMARK 465 THR B 90 REMARK 465 ARG B 91 REMARK 465 ALA B 92 REMARK 465 GLN B 93 REMARK 465 GLY B 94 REMARK 465 LYS B 95 REMARK 465 GLY B 96 REMARK 465 GLY B 97 REMARK 465 ALA B 98 REMARK 465 GLN B 99 REMARK 465 GLY B 100 REMARK 465 GLY B 101 REMARK 465 HIS B 136 REMARK 465 HIS B 137 REMARK 465 HIS B 138 REMARK 465 HIS B 139 REMARK 465 HIS B 140 REMARK 465 HIS B 141 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 GLU A 22 CG CD OE1 OE2 REMARK 470 ARG A 59 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 133 CG CD OE1 NE2 REMARK 470 GLU B 22 CG CD OE1 OE2 REMARK 470 ARG B 59 CG CD NE CZ NH1 NH2 REMARK 470 HIS B 107 CG ND1 CD2 CE1 NE2 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 THR A 4 -165.65 -120.57 REMARK 500 LEU B 3 71.62 -108.94 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 SO4 B 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4HF2 RELATED DB: PDB REMARK 900 RELATED ID: 4HF1 RELATED DB: PDB DBREF 4HF0 A 1 133 UNP P0AGK8 ISCR_ECOLI 1 133 DBREF 4HF0 B 1 133 UNP P0AGK8 ISCR_ECOLI 1 133 SEQADV 4HF0 ALA A 92 UNP P0AGK8 CYS 92 ENGINEERED MUTATION SEQADV 4HF0 ALA A 98 UNP P0AGK8 CYS 98 ENGINEERED MUTATION SEQADV 4HF0 ALA A 104 UNP P0AGK8 CYS 104 ENGINEERED MUTATION SEQADV 4HF0 GLY A 134 UNP P0AGK8 EXPRESSION TAG SEQADV 4HF0 GLY A 135 UNP P0AGK8 EXPRESSION TAG SEQADV 4HF0 HIS A 136 UNP P0AGK8 EXPRESSION TAG SEQADV 4HF0 HIS A 137 UNP P0AGK8 EXPRESSION TAG SEQADV 4HF0 HIS A 138 UNP P0AGK8 EXPRESSION TAG SEQADV 4HF0 HIS A 139 UNP P0AGK8 EXPRESSION TAG SEQADV 4HF0 HIS A 140 UNP P0AGK8 EXPRESSION TAG SEQADV 4HF0 HIS A 141 UNP P0AGK8 EXPRESSION TAG SEQADV 4HF0 ALA B 92 UNP P0AGK8 CYS 92 ENGINEERED MUTATION SEQADV 4HF0 ALA B 98 UNP P0AGK8 CYS 98 ENGINEERED MUTATION SEQADV 4HF0 ALA B 104 UNP P0AGK8 CYS 104 ENGINEERED MUTATION SEQADV 4HF0 GLY B 134 UNP P0AGK8 EXPRESSION TAG SEQADV 4HF0 GLY B 135 UNP P0AGK8 EXPRESSION TAG SEQADV 4HF0 HIS B 136 UNP P0AGK8 EXPRESSION TAG SEQADV 4HF0 HIS B 137 UNP P0AGK8 EXPRESSION TAG SEQADV 4HF0 HIS B 138 UNP P0AGK8 EXPRESSION TAG SEQADV 4HF0 HIS B 139 UNP P0AGK8 EXPRESSION TAG SEQADV 4HF0 HIS B 140 UNP P0AGK8 EXPRESSION TAG SEQADV 4HF0 HIS B 141 UNP P0AGK8 EXPRESSION TAG SEQRES 1 A 141 MET ARG LEU THR SER LYS GLY ARG TYR ALA VAL THR ALA SEQRES 2 A 141 MET LEU ASP VAL ALA LEU ASN SER GLU ALA GLY PRO VAL SEQRES 3 A 141 PRO LEU ALA ASP ILE SER GLU ARG GLN GLY ILE SER LEU SEQRES 4 A 141 SER TYR LEU GLU GLN LEU PHE SER ARG LEU ARG LYS ASN SEQRES 5 A 141 GLY LEU VAL SER SER VAL ARG GLY PRO GLY GLY GLY TYR SEQRES 6 A 141 LEU LEU GLY LYS ASP ALA SER SER ILE ALA VAL GLY GLU SEQRES 7 A 141 VAL ILE SER ALA VAL ASP GLU SER VAL ASP ALA THR ARG SEQRES 8 A 141 ALA GLN GLY LYS GLY GLY ALA GLN GLY GLY ASP LYS ALA SEQRES 9 A 141 LEU THR HIS ALA LEU TRP ARG ASP LEU SER ASP ARG LEU SEQRES 10 A 141 THR GLY PHE LEU ASN ASN ILE THR LEU GLY GLU LEU VAL SEQRES 11 A 141 ASN ASN GLN GLY GLY HIS HIS HIS HIS HIS HIS SEQRES 1 B 141 MET ARG LEU THR SER LYS GLY ARG TYR ALA VAL THR ALA SEQRES 2 B 141 MET LEU ASP VAL ALA LEU ASN SER GLU ALA GLY PRO VAL SEQRES 3 B 141 PRO LEU ALA ASP ILE SER GLU ARG GLN GLY ILE SER LEU SEQRES 4 B 141 SER TYR LEU GLU GLN LEU PHE SER ARG LEU ARG LYS ASN SEQRES 5 B 141 GLY LEU VAL SER SER VAL ARG GLY PRO GLY GLY GLY TYR SEQRES 6 B 141 LEU LEU GLY LYS ASP ALA SER SER ILE ALA VAL GLY GLU SEQRES 7 B 141 VAL ILE SER ALA VAL ASP GLU SER VAL ASP ALA THR ARG SEQRES 8 B 141 ALA GLN GLY LYS GLY GLY ALA GLN GLY GLY ASP LYS ALA SEQRES 9 B 141 LEU THR HIS ALA LEU TRP ARG ASP LEU SER ASP ARG LEU SEQRES 10 B 141 THR GLY PHE LEU ASN ASN ILE THR LEU GLY GLU LEU VAL SEQRES 11 B 141 ASN ASN GLN GLY GLY HIS HIS HIS HIS HIS HIS HET SO4 B 201 5 HETNAM SO4 SULFATE ION FORMUL 3 SO4 O4 S 2- FORMUL 4 HOH *37(H2 O) HELIX 1 1 THR A 4 SER A 21 1 18 HELIX 2 2 GLU A 22 GLY A 24 5 3 HELIX 3 3 PRO A 27 GLY A 36 1 10 HELIX 4 4 SER A 38 ASN A 52 1 15 HELIX 5 5 ASP A 70 ILE A 74 5 5 HELIX 6 6 ALA A 75 ASP A 84 1 10 HELIX 7 7 GLY A 100 ASN A 122 1 23 HELIX 8 8 THR A 125 GLN A 133 1 9 HELIX 9 9 THR B 4 SER B 21 1 18 HELIX 10 10 GLU B 22 GLY B 24 5 3 HELIX 11 11 PRO B 27 GLY B 36 1 10 HELIX 12 12 SER B 38 ASN B 52 1 15 HELIX 13 13 ASP B 70 ILE B 74 5 5 HELIX 14 14 ALA B 75 ASP B 84 1 10 HELIX 15 15 LYS B 103 ASN B 122 1 20 HELIX 16 16 THR B 125 GLN B 133 1 9 SHEET 1 A 2 VAL A 55 VAL A 58 0 SHEET 2 A 2 GLY A 64 LEU A 67 -1 O LEU A 66 N SER A 56 SHEET 1 B 2 VAL B 55 VAL B 58 0 SHEET 2 B 2 GLY B 64 LEU B 67 -1 O GLY B 64 N VAL B 58 SITE 1 AC1 6 ARG A 8 MET B 1 ARG B 2 TRP B 110 SITE 2 AC1 6 ARG B 111 SER B 114 CRYST1 88.850 88.850 62.734 90.00 90.00 120.00 P 31 2 1 12 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 0.011255 0.006498 0.000000 0.00000 SCALE2 0.000000 0.012996 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015940 0.00000 MASTER 327 0 1 16 4 0 2 6 0 0 0 22 END