HEADER PEPTIDE BINDING PROTEIN 24-JAN-24 8VSN TITLE TERNARY STRUCTURE OF 14-3-3 SIGMA, ARAF PHOSPHOPEPTIDE (PS214) AND TITLE 2 COMPOUND 79 (1124379) COMPND MOL_ID: 1; COMPND 2 MOLECULE: 14-3-3 PROTEIN SIGMA; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 1-231; COMPND 5 SYNONYM: EPITHELIAL CELL MARKER PROTEIN 1,STRATIFIN; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: SERINE/THREONINE-PROTEIN KINASE A-RAF PHOSPHOPEPTIDE; COMPND 9 CHAIN: P; COMPND 10 FRAGMENT: RESIDUES 209-220 (UNIPROT NUMBERING); COMPND 11 SYNONYM: PROTO-ONCOGENE A-RAF,PROTO-ONCOGENE A-RAF-1,PROTO-ONCOGENE COMPND 12 PKS; COMPND 13 EC: 2.7.11.1; COMPND 14 ENGINEERED: YES; COMPND 15 OTHER_DETAILS: CONTAINING PHOSPHOSERINE 214 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: SFN, HME1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 11 ORGANISM_COMMON: HUMAN; SOURCE 12 ORGANISM_TAXID: 9606 KEYWDS STABILIZER, PROTEIN-PROTEIN INTERACTIONS, PEPTIDE BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR H.R.VICKERY,J.M.VIRTA,M.PENNINGS,M.KONSTANTINIDOU,M.VAN DEN OETELAAR, AUTHOR 2 R.J.NEITZ,C.OTTMANN,L.BRUNSVELD,M.R.ARKIN REVDAT 1 19-MAR-25 8VSN 0 JRNL AUTH H.R.VICKERY,J.M.VIRTA,M.PENNINGS,M.KONSTANTINIDOU, JRNL AUTH 2 M.VAN DEN OETELAAR,R.J.NEITZ,C.OTTMANN,L.BRUNSVELD,M.R.ARKIN JRNL TITL TERNARY STRUCTURE OF 14-3-3 SIGMA, ARAF PHOSPHOPEPTIDE JRNL TITL 2 (PS214) AND COMPOUND 79 (1124379) JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.91 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PDB-REDO 5.8.0267 REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.91 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 57.76 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 55234 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 SET) : 0.240 REMARK 3 FREE R VALUE : 0.272 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2950 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) : 1.91 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 57.76 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.01 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3988 REMARK 3 BIN R VALUE (WORKING SET) : 0.6160 REMARK 3 BIN FREE R VALUE : 0.6140 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 218 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 : 1890 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 26 REMARK 3 SOLVENT ATOMS : 155 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 40.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.48000 REMARK 3 B22 (A**2) : -0.46000 REMARK 3 B33 (A**2) : -1.02000 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) : 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) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL 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 8VSN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 31-JAN-24. REMARK 100 THE DEPOSITION ID IS D_1000278406. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-JUL-23 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 : MASSIF-3 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.967697 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 4M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AUTOPROC REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 58185 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.910 REMARK 200 RESOLUTION RANGE LOW (A) : 57.760 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 13.50 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 19.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.91 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.95 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 : 1.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 62.17 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG4000, HEPES, CACL2, GLYCEROL, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 277.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 2 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,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z REMARK 290 7555 -X+1/2,Y+1/2,-Z REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 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 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 31.28800 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 75.11250 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 31.28800 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 75.11250 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 31.28800 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 75.11250 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 31.28800 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 75.11250 REMARK 290 SMTRY3 8 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6220 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22300 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -83.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, P 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 62.57600 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 76.81600 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 439 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 72 REMARK 465 GLY A 73 REMARK 465 SER A 74 REMARK 465 GLU A 75 REMARK 465 GLU A 76 REMARK 465 ARG P 254 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 68 CG CD CE NZ REMARK 470 LYS A 77 CG CD CE NZ REMARK 470 GLU A 110 CG CD OE1 OE2 REMARK 470 ASN A 185 CG OD1 ND2 REMARK 470 ILE P 255 CG1 CG2 CD1 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 ARG A 18 78.22 -103.24 REMARK 500 HIS A 106 -43.07 -134.75 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 303 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 466 O REMARK 620 2 HOH A 490 O 100.4 REMARK 620 N 1 DBREF 8VSN A 1 231 UNP P31947 1433S_HUMAN 1 231 DBREF 8VSN P 254 265 UNP P10398 ARAF_HUMAN 209 220 SEQADV 8VSN GLY A -4 UNP P31947 EXPRESSION TAG SEQADV 8VSN ALA A -3 UNP P31947 EXPRESSION TAG SEQADV 8VSN MET A -2 UNP P31947 EXPRESSION TAG SEQADV 8VSN GLY A -1 UNP P31947 EXPRESSION TAG SEQADV 8VSN SER A 0 UNP P31947 EXPRESSION TAG SEQRES 1 A 236 GLY ALA MET GLY SER MET GLU ARG ALA SER LEU ILE GLN SEQRES 2 A 236 LYS ALA LYS LEU ALA GLU GLN ALA GLU ARG TYR GLU ASP SEQRES 3 A 236 MET ALA ALA PHE MET LYS GLY ALA VAL GLU LYS GLY GLU SEQRES 4 A 236 GLU LEU SER CYS GLU GLU ARG ASN LEU LEU SER VAL ALA SEQRES 5 A 236 TYR LYS ASN VAL VAL GLY GLY GLN ARG ALA ALA TRP ARG SEQRES 6 A 236 VAL LEU SER SER ILE GLU GLN LYS SER ASN GLU GLU GLY SEQRES 7 A 236 SER GLU GLU LYS GLY PRO GLU VAL ARG GLU TYR ARG GLU SEQRES 8 A 236 LYS VAL GLU THR GLU LEU GLN GLY VAL CYS ASP THR VAL SEQRES 9 A 236 LEU GLY LEU LEU ASP SER HIS LEU ILE LYS GLU ALA GLY SEQRES 10 A 236 ASP ALA GLU SER ARG VAL PHE TYR LEU LYS MET LYS GLY SEQRES 11 A 236 ASP TYR TYR ARG TYR LEU ALA GLU VAL ALA THR GLY ASP SEQRES 12 A 236 ASP LYS LYS ARG ILE ILE ASP SER ALA ARG SER ALA TYR SEQRES 13 A 236 GLN GLU ALA MET ASP ILE SER LYS LYS GLU MET PRO PRO SEQRES 14 A 236 THR ASN PRO ILE ARG LEU GLY LEU ALA LEU ASN PHE SER SEQRES 15 A 236 VAL PHE HIS TYR GLU ILE ALA ASN SER PRO GLU GLU ALA SEQRES 16 A 236 ILE SER LEU ALA LYS THR THR PHE ASP GLU ALA MET ALA SEQRES 17 A 236 ASP LEU HIS THR LEU SER GLU ASP SER TYR LYS ASP SER SEQRES 18 A 236 THR LEU ILE MET GLN LEU LEU ARG ASP ASN LEU THR LEU SEQRES 19 A 236 TRP THR SEQRES 1 P 12 ARG ILE ARG SER THR SEP THR PRO ASN VAL HIS MET MODRES 8VSN SEP P 259 SER MODIFIED RESIDUE HET SEP P 259 10 HET CL A 301 1 HET MG A 302 1 HET MG A 303 1 HET MG A 304 1 HET WQT A 305 22 HETNAM SEP PHOSPHOSERINE HETNAM CL CHLORIDE ION HETNAM MG MAGNESIUM ION HETNAM WQT 2-CHLORANYL-1-[8-(4-IODOPHENYL)SULFONYL-5-OXA-2,8- HETNAM 2 WQT DIAZASPIRO[3.5]NONAN-2-YL]ETHANONE HETSYN SEP PHOSPHONOSERINE FORMUL 2 SEP C3 H8 N O6 P FORMUL 3 CL CL 1- FORMUL 4 MG 3(MG 2+) FORMUL 7 WQT C14 H16 CL I N2 O4 S FORMUL 8 HOH *155(H2 O) HELIX 1 AA1 GLU A 2 ALA A 16 1 15 HELIX 2 AA2 ARG A 18 LYS A 32 1 15 HELIX 3 AA3 SER A 37 ASN A 70 1 34 HELIX 4 AA4 PRO A 79 HIS A 106 1 28 HELIX 5 AA5 ASP A 113 ALA A 135 1 23 HELIX 6 AA6 GLY A 137 MET A 162 1 26 HELIX 7 AA7 ASN A 166 ILE A 183 1 18 HELIX 8 AA8 SER A 186 ASP A 204 1 19 HELIX 9 AA9 LEU A 205 LEU A 208 5 4 HELIX 10 AB1 SER A 212 TRP A 230 1 19 LINK SG CYS A 38 C2 WQT A 305 1555 1555 1.69 LINK C THR P 258 N SEP P 259 1555 1555 1.33 LINK C SEP P 259 N THR P 260 1555 1555 1.34 LINK OE2 GLU A 89 MG MG A 302 1555 1555 2.51 LINK OE1 GLU A 188 MG MG A 304 1555 1555 2.88 LINK MG MG A 303 O HOH A 466 1555 6655 2.52 LINK MG MG A 303 O HOH A 490 1555 1555 2.79 CRYST1 62.576 150.225 76.816 90.00 90.00 90.00 C 2 2 2 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 0.015981 0.000000 0.000000 0.00000 SCALE2 0.000000 0.006657 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013018 0.00000