HEADER SIGNALING PROTEIN 08-APR-14 4CXT TITLE BTB DOMAIN OF KEAP1 IN COMPLEX WITH CDDO COMPND MOL_ID: 1; COMPND 2 MOLECULE: KELCH-LIKE ECH-ASSOCIATED PROTEIN 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: BTB, RESIDUES 48-180; COMPND 5 SYNONYM: CYTOSOLIC INHIBITOR OF NRF2, INRF2, KELCH-LIKE PROTEIN 19, COMPND 6 KEAP1; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) KEYWDS SIGNALING PROTEIN, BTB DOMAIN, KEAP1 EXPDTA X-RAY DIFFRACTION AUTHOR A.CLEASBY,J.YON,P.J.DAY,C.RICHARDSON,I.J.TICKLE,P.A.WILLIAMS, AUTHOR 2 J.F.CALLAHAN,R.CARR,N.CONCHA,J.K.KERNS,H.QI,T.SWEITZER,P.WARD, AUTHOR 3 T.G.DAVIES REVDAT 2 16-OCT-24 4CXT 1 REMARK LINK REVDAT 1 18-JUN-14 4CXT 0 JRNL AUTH A.CLEASBY,J.YON,P.J.DAY,C.RICHARDSON,I.J.TICKLE, JRNL AUTH 2 P.A.WILLIAMS,J.F.CALLAHAN,R.CARR,N.CONCHA,J.K.KERNS,H.QI, JRNL AUTH 3 T.SWEITZER,P.WARD,T.G.DAVIES JRNL TITL STRUCTURE OF THE BTB DOMAIN OF KEAP1 AND ITS INTERACTION JRNL TITL 2 WITH THE TRITERPENOID ANTAGONIST CDDO. JRNL REF PLOS ONE V. 9 98896 2014 JRNL REFN ESSN 1932-6203 JRNL PMID 24896564 JRNL DOI 10.1371/JOURNAL.PONE.0098896 REMARK 2 REMARK 2 RESOLUTION. 2.66 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.5 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.66 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.17 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 4823 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.212 REMARK 3 R VALUE (WORKING SET) : 0.211 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.430 REMARK 3 FREE R VALUE TEST SET COUNT : 262 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 : 5 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.66 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.97 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 1289 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2389 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1212 REMARK 3 BIN R VALUE (WORKING SET) : 0.2321 REMARK 3 BIN FREE R VALUE : 0.3502 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.97 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 77 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 : 1029 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 36 REMARK 3 SOLVENT ATOMS : 24 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 82.41 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 82.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -7.40510 REMARK 3 B22 (A**2) : -7.40510 REMARK 3 B33 (A**2) : 14.81030 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.478 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : NULL REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.322 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 1.057 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.302 REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.939 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.941 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 1128 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 1573 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 396 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 33 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 156 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 1128 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : 1 ; 5.000 ; SEMIHARMONIC REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 145 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 1308 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.00 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 5.33 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 18.08 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN A AND RESIDUES 49-179 REMARK 3 ORIGIN FOR THE GROUP (A): 7.8996 -10.0312 -15.5259 REMARK 3 T TENSOR REMARK 3 T11: 0.0679 T22: -0.2359 REMARK 3 T33: -0.1890 T12: 0.0685 REMARK 3 T13: 0.0276 T23: -0.0162 REMARK 3 L TENSOR REMARK 3 L11: 1.9056 L22: 3.3564 REMARK 3 L33: 4.4833 L12: -1.9065 REMARK 3 L13: -0.3957 L23: 2.3450 REMARK 3 S TENSOR REMARK 3 S11: -0.1714 S12: 0.0132 S13: 0.0124 REMARK 3 S21: 0.3307 S22: 0.0439 S23: 0.2015 REMARK 3 S31: -0.4169 S32: -0.0052 S33: 0.1274 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4CXT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 08-APR-14. REMARK 100 THE DEPOSITION ID IS D_1290060276. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-NOV-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 : ESRF REMARK 200 BEAMLINE : ID29 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97625 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 4283 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.660 REMARK 200 RESOLUTION RANGE LOW (A) : 45.170 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 17.40 REMARK 200 R MERGE (I) : 0.13000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 14.5000 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: CCP4 REMARK 200 STARTING MODEL: NONE REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/6 REMARK 290 6555 X-Y,X,Z+5/6 REMARK 290 7555 Y,X,-Z+2/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+1/3 REMARK 290 10555 -Y,-X,-Z+1/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+5/6 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 180.68533 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 90.34267 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 135.51400 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 45.17133 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 225.85667 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 180.68533 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 90.34267 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 45.17133 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 135.51400 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 225.85667 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: 5840 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13720 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -37.9 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 0.500000 0.866025 0.000000 21.34350 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 -36.96803 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -45.17133 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 A2011 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 44 REMARK 465 SER A 45 REMARK 465 HIS A 46 REMARK 465 MET A 47 REMARK 465 GLY A 48 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 LYS A 131 CG CD CE NZ 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 GLN A 86 -123.74 38.17 REMARK 500 ASN A 113 48.78 -108.35 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 SXJ A 9999 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4CXI RELATED DB: PDB REMARK 900 BTB DOMAIN OF KEAP1 REMARK 900 RELATED ID: 4CXJ RELATED DB: PDB REMARK 900 BTB DOMAIN OF KEAP1 C151W MUTANT DBREF 4CXT A 48 180 UNP Q14145 KEAP1_HUMAN 48 180 SEQADV 4CXT GLY A 44 UNP Q14145 EXPRESSION TAG SEQADV 4CXT SER A 45 UNP Q14145 EXPRESSION TAG SEQADV 4CXT HIS A 46 UNP Q14145 EXPRESSION TAG SEQADV 4CXT MET A 47 UNP Q14145 EXPRESSION TAG SEQADV 4CXT ALA A 172 UNP Q14145 SER 172 ENGINEERED MUTATION SEQRES 1 A 137 GLY SER HIS MET GLY ASN ARG THR PHE SER TYR THR LEU SEQRES 2 A 137 GLU ASP HIS THR LYS GLN ALA PHE GLY ILE MET ASN GLU SEQRES 3 A 137 LEU ARG LEU SER GLN GLN LEU CYS ASP VAL THR LEU GLN SEQRES 4 A 137 VAL LYS TYR GLN ASP ALA PRO ALA ALA GLN PHE MET ALA SEQRES 5 A 137 HIS LYS VAL VAL LEU ALA SER SER SER PRO VAL PHE LYS SEQRES 6 A 137 ALA MET PHE THR ASN GLY LEU ARG GLU GLN GLY MET GLU SEQRES 7 A 137 VAL VAL SER ILE GLU GLY ILE HIS PRO LYS VAL MET GLU SEQRES 8 A 137 ARG LEU ILE GLU PHE ALA TYR THR ALA SER ILE SER MET SEQRES 9 A 137 GLY GLU LYS CYS VAL LEU HIS VAL MET ASN GLY ALA VAL SEQRES 10 A 137 MET TYR GLN ILE ASP SER VAL VAL ARG ALA CYS ALA ASP SEQRES 11 A 137 PHE LEU VAL GLN GLN LEU ASP HET SXJ A9999 77 HETNAM SXJ (13ALPHA,18ALPHA)-2-CYANO-3-HYDROXY-12-OXOOLEANA-2, HETNAM 2 SXJ 9(11)-DIEN-28-OIC ACID FORMUL 2 SXJ C31 H43 N O4 FORMUL 3 HOH *24(H2 O) HELIX 1 1 ASP A 58 SER A 73 1 16 HELIX 2 2 HIS A 96 SER A 104 1 9 HELIX 3 3 SER A 104 THR A 112 1 9 HELIX 4 4 HIS A 129 ALA A 143 1 15 HELIX 5 5 GLY A 148 LYS A 150 5 3 HELIX 6 6 CYS A 151 TYR A 162 1 12 HELIX 7 7 ILE A 164 GLN A 178 1 15 SHEET 1 AA 3 ALA A 91 ALA A 95 0 SHEET 2 AA 3 VAL A 79 VAL A 83 -1 O VAL A 79 N ALA A 95 SHEET 3 AA 3 GLU A 121 ILE A 125 1 O GLU A 121 N THR A 80 LINK SG CYS A 151 C32 SXJ A9999 1555 1555 1.83 SITE 1 AC1 8 TYR A 85 HIS A 129 LYS A 131 ARG A 135 SITE 2 AC1 8 GLY A 148 LYS A 150 CYS A 151 HIS A 154 CRYST1 42.687 42.687 271.028 90.00 90.00 120.00 P 65 2 2 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 0.023426 0.013525 0.000000 0.00000 SCALE2 0.000000 0.027050 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003690 0.00000