HEADER CYTOKINE 12-OCT-98 2TNF TITLE 1.4 A RESOLUTION STRUCTURE OF MOUSE TUMOR NECROSIS FACTOR, TOWARDS TITLE 2 MODULATION OF ITS SELECTIVITY AND TRIMERISATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (TUMOR NECROSIS FACTOR ALPHA); COMPND 3 CHAIN: A, B, C; COMPND 4 FRAGMENT: RESIDUES 80-235; COMPND 5 SYNONYM: TNF-ALPHA, CACHECTIN; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS LYMPHOKINE, CYTOKINE, CYTOTOXIN, TRANSMEMBRANE, GLYCOPROTEIN, SIGNAL- KEYWDS 2 ANCHOR EXPDTA X-RAY DIFFRACTION AUTHOR K.J.BAEYENS,H.L.DE BONDT,A.RAEYMAEKERS,W.FIERS,C.J.DE RANTER REVDAT 5 30-OCT-24 2TNF 1 REMARK REVDAT 4 30-AUG-23 2TNF 1 REMARK REVDAT 3 11-OCT-17 2TNF 1 TITLE REVDAT 2 24-FEB-09 2TNF 1 VERSN REVDAT 1 12-OCT-99 2TNF 0 JRNL AUTH K.J.BAEYENS,H.L.DE BONDT,A.RAEYMAEKERS,W.FIERS,C.J.DE RANTER JRNL TITL THE STRUCTURE OF MOUSE TUMOUR-NECROSIS FACTOR AT 1.4 A JRNL TITL 2 RESOLUTION: TOWARDS MODULATION OF ITS SELECTIVITY AND JRNL TITL 3 TRIMERIZATION. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 55 772 1999 JRNL REFN ISSN 0907-4449 JRNL PMID 10089307 JRNL DOI 10.1107/S0907444998018435 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.-S.CHA,J.-S.KIM,H.-S.CHO,N.-K.SHIN,W.JEONG,H.-C.SHIN, REMARK 1 AUTH 2 Y.J.KIM,J.H.HAHN,B.-H.OH REMARK 1 TITL HIGH RESOLUTION CRYSTAL STRUCTURE OF A HUMAN TUMOR NECROSIS REMARK 1 TITL 2 FACTOR-ALPHA MUTANT WITH LOW SYSTEMIC TOXICITY REMARK 1 REF J.BIOL.CHEM. V. 273 2153 1998 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH K.J.BAEYENS,H.L.DE BONDT,A.RAEYMAEKERS,C.J.DE RANTER,W.FIERS REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY STUDIES OF MOUSE TUMOR REMARK 1 TITL 2 NECROSIS FACTOR REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 53 329 1997 REMARK 1 REFN ISSN 0907-4449 REMARK 1 REFERENCE 3 REMARK 1 AUTH C.REED,Z.Q.FU,J.WU,Y.N.XUE,R.W.HARRISON,M.J.CHEN,I.T.WEBER REMARK 1 TITL CRYSTAL STRUCTURE OF TNF-ALPHA MUTANT R31D WITH GREATER REMARK 1 TITL 2 AFFINITY FOR RECEPTOR R1 COMPARED WITH R2 REMARK 1 REF PROTEIN ENG. V. 10 1101 1997 REMARK 1 REFN ISSN 0269-2139 REMARK 1 REFERENCE 4 REMARK 1 AUTH M.J.ECK,S.R.SPRANG REMARK 1 TITL THE STRUCTURE OF TUMOR NECROSIS FACTOR-ALPHA AT 2.6 REMARK 1 TITL 2 ANGSTROMS RESOLUTION. IMPLICATIONS FOR RECEPTOR BINDING REMARK 1 REF J.BIOL.CHEM. V. 264 17595 1989 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 5 REMARK 1 AUTH E.Y.JONES,D.I.STUART,N.P.C.WALKER REMARK 1 TITL STRUCTURE OF TUMOR NECROSIS FACTOR REMARK 1 REF NATURE V. 338 225 1989 REMARK 1 REFN ISSN 0028-0836 REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.843 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 85.8 REMARK 3 NUMBER OF REFLECTIONS : 67767 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) : 0.201 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 6871 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.003 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.49 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 73.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 8666 REMARK 3 BIN R VALUE (WORKING SET) : 0.2640 REMARK 3 BIN FREE R VALUE : 0.2740 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 962 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.009 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3477 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 240 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.70 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) : 0.16 REMARK 3 ESD FROM SIGMAA (A) : 0.14 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.17 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.11 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.390 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.480 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.590 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.980 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.990 ; 2.500 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM11.WAT REMARK 3 PARAMETER FILE 3 : IPA.PAR REMARK 3 PARAMETER FILE 4 : TRS.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH11.WAT REMARK 3 TOPOLOGY FILE 3 : IPA.TOP REMARK 3 TOPOLOGY FILE 4 : TRS.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 2TNF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-AUG-99. REMARK 100 THE DEPOSITION ID IS D_1000007030. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUN-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : BW7B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1024 REMARK 200 MONOCHROMATOR : BENT SINGLE-CRYSTAL GERMANIUM REMARK 200 TRIANGULAR REMARK 200 OPTICS : RHODIUM COATED PRE-MIRROR, REMARK 200 SEGMENTED MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 72552 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.9 REMARK 200 DATA REDUNDANCY : 1.800 REMARK 200 R MERGE (I) : 0.02900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 19.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.5 REMARK 200 DATA REDUNDANCY IN SHELL : 1.70 REMARK 200 R MERGE FOR SHELL (I) : 0.14800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1TNF REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: EQUAL VOLUMES OF RESERVOIR SOLUTION, REMARK 280 CONTAINING 7 % ISOPROP, PH 8.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6320 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18960 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -26.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 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 LEU A 1 REMARK 465 ARG A 2 REMARK 465 SER A 3 REMARK 465 SER A 4 REMARK 465 SER A 5 REMARK 465 GLN A 6 REMARK 465 ASN A 7 REMARK 465 SER A 8 REMARK 465 LEU B 1 REMARK 465 ARG B 2 REMARK 465 SER B 3 REMARK 465 SER B 4 REMARK 465 SER B 5 REMARK 465 GLN B 6 REMARK 465 ASN B 7 REMARK 465 SER B 8 REMARK 465 LEU C 1 REMARK 465 ARG C 2 REMARK 465 SER C 3 REMARK 465 SER C 4 REMARK 465 SER C 5 REMARK 465 GLN C 6 REMARK 465 ASN C 7 REMARK 465 SER C 8 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 LEU A 37 92.21 -165.77 REMARK 500 GLN A 88 30.07 90.78 REMARK 500 PRO A 106 -100.44 -23.15 REMARK 500 ALA A 109 -178.66 -62.72 REMARK 500 VAL B 22 74.34 -116.63 REMARK 500 LEU B 37 89.54 -159.19 REMARK 500 GLN C 31 54.60 -91.63 REMARK 500 LEU C 37 93.58 -162.45 REMARK 500 SER C 86 -22.35 -175.58 REMARK 500 GLN C 88 45.57 -61.75 REMARK 500 ALA C 109 116.86 -169.29 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 TRS A 1196 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA B 1195 DBREF 2TNF A 1 156 UNP P06804 TNFA_MOUSE 80 235 DBREF 2TNF B 1 156 UNP P06804 TNFA_MOUSE 80 235 DBREF 2TNF C 1 156 UNP P06804 TNFA_MOUSE 80 235 SEQRES 1 A 156 LEU ARG SER SER SER GLN ASN SER SER ASP LYS PRO VAL SEQRES 2 A 156 ALA HIS VAL VAL ALA ASN HIS GLN VAL GLU GLU GLN LEU SEQRES 3 A 156 GLU TRP LEU SER GLN ARG ALA ASN ALA LEU LEU ALA ASN SEQRES 4 A 156 GLY MET ASP LEU LYS ASP ASN GLN LEU VAL VAL PRO ALA SEQRES 5 A 156 ASP GLY LEU TYR LEU VAL TYR SER GLN VAL LEU PHE LYS SEQRES 6 A 156 GLY GLN GLY CYS PRO ASP TYR VAL LEU LEU THR HIS THR SEQRES 7 A 156 VAL SER ARG PHE ALA ILE SER TYR GLN GLU LYS VAL ASN SEQRES 8 A 156 LEU LEU SER ALA VAL LYS SER PRO CYS PRO LYS ASP THR SEQRES 9 A 156 PRO GLU GLY ALA GLU LEU LYS PRO TRP TYR GLU PRO ILE SEQRES 10 A 156 TYR LEU GLY GLY VAL PHE GLN LEU GLU LYS GLY ASP GLN SEQRES 11 A 156 LEU SER ALA GLU VAL ASN LEU PRO LYS TYR LEU ASP PHE SEQRES 12 A 156 ALA GLU SER GLY GLN VAL TYR PHE GLY VAL ILE ALA LEU SEQRES 1 B 156 LEU ARG SER SER SER GLN ASN SER SER ASP LYS PRO VAL SEQRES 2 B 156 ALA HIS VAL VAL ALA ASN HIS GLN VAL GLU GLU GLN LEU SEQRES 3 B 156 GLU TRP LEU SER GLN ARG ALA ASN ALA LEU LEU ALA ASN SEQRES 4 B 156 GLY MET ASP LEU LYS ASP ASN GLN LEU VAL VAL PRO ALA SEQRES 5 B 156 ASP GLY LEU TYR LEU VAL TYR SER GLN VAL LEU PHE LYS SEQRES 6 B 156 GLY GLN GLY CYS PRO ASP TYR VAL LEU LEU THR HIS THR SEQRES 7 B 156 VAL SER ARG PHE ALA ILE SER TYR GLN GLU LYS VAL ASN SEQRES 8 B 156 LEU LEU SER ALA VAL LYS SER PRO CYS PRO LYS ASP THR SEQRES 9 B 156 PRO GLU GLY ALA GLU LEU LYS PRO TRP TYR GLU PRO ILE SEQRES 10 B 156 TYR LEU GLY GLY VAL PHE GLN LEU GLU LYS GLY ASP GLN SEQRES 11 B 156 LEU SER ALA GLU VAL ASN LEU PRO LYS TYR LEU ASP PHE SEQRES 12 B 156 ALA GLU SER GLY GLN VAL TYR PHE GLY VAL ILE ALA LEU SEQRES 1 C 156 LEU ARG SER SER SER GLN ASN SER SER ASP LYS PRO VAL SEQRES 2 C 156 ALA HIS VAL VAL ALA ASN HIS GLN VAL GLU GLU GLN LEU SEQRES 3 C 156 GLU TRP LEU SER GLN ARG ALA ASN ALA LEU LEU ALA ASN SEQRES 4 C 156 GLY MET ASP LEU LYS ASP ASN GLN LEU VAL VAL PRO ALA SEQRES 5 C 156 ASP GLY LEU TYR LEU VAL TYR SER GLN VAL LEU PHE LYS SEQRES 6 C 156 GLY GLN GLY CYS PRO ASP TYR VAL LEU LEU THR HIS THR SEQRES 7 C 156 VAL SER ARG PHE ALA ILE SER TYR GLN GLU LYS VAL ASN SEQRES 8 C 156 LEU LEU SER ALA VAL LYS SER PRO CYS PRO LYS ASP THR SEQRES 9 C 156 PRO GLU GLY ALA GLU LEU LYS PRO TRP TYR GLU PRO ILE SEQRES 10 C 156 TYR LEU GLY GLY VAL PHE GLN LEU GLU LYS GLY ASP GLN SEQRES 11 C 156 LEU SER ALA GLU VAL ASN LEU PRO LYS TYR LEU ASP PHE SEQRES 12 C 156 ALA GLU SER GLY GLN VAL TYR PHE GLY VAL ILE ALA LEU HET TRS A1196 8 HET IPA B1195 4 HETNAM TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL HETNAM IPA ISOPROPYL ALCOHOL HETSYN TRS TRIS BUFFER HETSYN IPA 2-PROPANOL FORMUL 4 TRS C4 H12 N O3 1+ FORMUL 5 IPA C3 H8 O FORMUL 6 HOH *240(H2 O) HELIX 1 1 PRO A 139 TYR A 141 5 3 HELIX 2 2 PRO B 139 TYR B 141 5 3 HELIX 3 3 PRO C 139 TYR C 141 5 3 SHEET 1 A 5 LEU A 36 ALA A 38 0 SHEET 2 A 5 VAL A 13 VAL A 17 -1 N HIS A 15 O LEU A 36 SHEET 3 A 5 TYR A 151 ALA A 156 -1 N VAL A 154 O ALA A 14 SHEET 4 A 5 GLY A 54 GLN A 67 -1 N GLN A 61 O TYR A 151 SHEET 5 A 5 PRO A 113 LEU A 126 -1 N LEU A 126 O GLY A 54 SHEET 1 B 2 ASP A 42 LYS A 44 0 SHEET 2 B 2 GLN A 47 VAL A 49 -1 N VAL A 49 O ASP A 42 SHEET 1 C 3 GLN A 131 VAL A 136 0 SHEET 2 C 3 LEU A 76 PHE A 83 -1 N PHE A 83 O GLN A 131 SHEET 3 C 3 LYS A 90 LYS A 98 -1 N LYS A 98 O LEU A 76 SHEET 1 D 5 LEU B 36 ALA B 38 0 SHEET 2 D 5 VAL B 13 VAL B 17 -1 N HIS B 15 O LEU B 36 SHEET 3 D 5 TYR B 151 ALA B 156 -1 N VAL B 154 O ALA B 14 SHEET 4 D 5 GLY B 54 GLN B 67 -1 N GLN B 61 O TYR B 151 SHEET 5 D 5 PRO B 113 LEU B 126 -1 N LEU B 126 O GLY B 54 SHEET 1 E 2 ASP B 42 LYS B 44 0 SHEET 2 E 2 GLN B 47 VAL B 49 -1 N VAL B 49 O ASP B 42 SHEET 1 F 3 GLN B 131 VAL B 136 0 SHEET 2 F 3 LEU B 76 PHE B 83 -1 N PHE B 83 O GLN B 131 SHEET 3 F 3 VAL B 91 LYS B 98 -1 N LYS B 98 O LEU B 76 SHEET 1 G 5 LEU C 36 ALA C 38 0 SHEET 2 G 5 VAL C 13 VAL C 17 -1 N HIS C 15 O LEU C 36 SHEET 3 G 5 TYR C 151 ALA C 156 -1 N VAL C 154 O ALA C 14 SHEET 4 G 5 GLY C 54 GLN C 67 -1 N GLN C 61 O TYR C 151 SHEET 5 G 5 PRO C 113 LEU C 126 -1 N LEU C 126 O GLY C 54 SHEET 1 H 2 ASP C 42 LYS C 44 0 SHEET 2 H 2 GLN C 47 VAL C 49 -1 N VAL C 49 O ASP C 42 SHEET 1 I 3 GLN C 131 VAL C 136 0 SHEET 2 I 3 LEU C 76 PHE C 83 -1 N PHE C 83 O GLN C 131 SHEET 3 I 3 VAL C 91 LYS C 98 -1 N LYS C 98 O LEU C 76 SSBOND 1 CYS A 69 CYS A 101 1555 1555 2.04 SSBOND 2 CYS B 69 CYS B 101 1555 1555 2.03 SSBOND 3 CYS C 69 CYS C 101 1555 1555 2.04 SITE 1 AC1 9 ILE A 118 TYR A 119 HOH A1208 ILE B 118 SITE 2 AC1 9 TYR B 119 HOH B1229 ILE C 118 TYR C 119 SITE 3 AC1 9 HOH C 162 SITE 1 AC2 3 TYR A 119 TYR B 119 TYR C 119 CRYST1 48.214 48.300 51.095 114.81 103.65 91.05 P 1 3 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 0.020741 0.000380 0.005782 0.00000 SCALE2 0.000000 0.020707 0.010042 0.00000 SCALE3 0.000000 0.000000 0.022383 0.00000