HEADER CHEMOATTRACTANT 22-NOV-96 1DOL TITLE MONOCYTE CHEMOATTRACTANT PROTEIN 1, I-FORM COMPND MOL_ID: 1; COMPND 2 MOLECULE: MONOCYTE CHEMOATTRACTANT PROTEIN 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MCP-1, MCAF; COMPND 5 ENGINEERED: YES; COMPND 6 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: 562; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: BL21 KEYWDS CHEMOATTRACTANT, CYTOKINE EXPDTA X-RAY DIFFRACTION AUTHOR J.LUBKOWSKI,G.BUJACZ,L.BOQUE,A.WLODAWER REVDAT 4 09-AUG-23 1DOL 1 REMARK REVDAT 3 13-JUL-11 1DOL 1 VERSN REVDAT 2 24-FEB-09 1DOL 1 VERSN REVDAT 1 12-MAR-97 1DOL 0 JRNL AUTH J.LUBKOWSKI,G.BUJACZ,L.BOQUE,P.J.DOMAILLE,T.M.HANDEL, JRNL AUTH 2 A.WLODAWER JRNL TITL THE STRUCTURE OF MCP-1 IN TWO CRYSTAL FORMS PROVIDES A RARE JRNL TITL 2 EXAMPLE OF VARIABLE QUATERNARY INTERACTIONS. JRNL REF NAT.STRUCT.BIOL. V. 4 64 1997 JRNL REFN ISSN 1072-8368 JRNL PMID 8989326 JRNL DOI 10.1038/NSB0197-64 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.M.HANDEL,P.J.DOMAILLE REMARK 1 TITL HETERONUCLEAR (1H, 13C, 15N) NMR ASSIGNMENTS AND SOLUTION REMARK 1 TITL 2 STRUCTURE OF THE MONOCYTE CHEMOATTRACTANT PROTEIN-1 (MCP-1) REMARK 1 TITL 3 DIMER REMARK 1 REF BIOCHEMISTRY V. 35 6569 1996 REMARK 1 REFN ISSN 0006-2960 REMARK 2 REMARK 2 RESOLUTION. 2.40 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) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0100 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 84.5 REMARK 3 NUMBER OF REFLECTIONS : 3309 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) : 0.200 REMARK 3 FREE R VALUE : 0.275 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.000 REMARK 3 FREE R VALUE TEST SET COUNT : 260 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.017 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 : 568 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 52 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.60 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) : 0.015 REMARK 3 BOND ANGLES (DEGREES) : 1.780 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 28.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.510 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) : 0.942 ; 4.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 0.975 ; 5.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 0.942 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 0.975 ; 5.500 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 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.PEP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1DOL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000172873. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-SEP-95 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 7.5-8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : COLLIMATOR 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 : 3573 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 87.9 REMARK 200 DATA REDUNDANCY : 2.410 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.10000 REMARK 200 FOR THE DATA SET : 8.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.49 REMARK 200 COMPLETENESS FOR SHELL (%) : 82.2 REMARK 200 DATA REDUNDANCY IN SHELL : 2.20 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.26700 REMARK 200 FOR SHELL : 2.620 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1DOM REMARK 200 REMARK 200 REMARK: INITIAL MODEL FOR MOLECULAR REPLACEMENT WAS MODIFIED AS REMARK 200 DESCRIBED IN JOURNAL ARTICLE. REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10 MG/ML PROTEIN IN 50 MM TRIS BUFFER REMARK 280 PH 7.5-8 EQUILIBRATED AGAINST 50-55% AMMONIUM SULFATE USING REMARK 280 HANGING DROP VAPOR DIFFUSION METHOD., PH 8.0, VAPOR DIFFUSION - REMARK 280 HANGING DROP, VAPOR DIFFUSION, HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 3555 -Y,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X,Z+3/4 REMARK 290 5555 -X+1/2,Y,-Z+3/4 REMARK 290 6555 X,-Y+1/2,-Z+1/4 REMARK 290 7555 Y+1/2,X+1/2,-Z+1/2 REMARK 290 8555 -Y,-X,-Z REMARK 290 9555 X+1/2,Y+1/2,Z+1/2 REMARK 290 10555 -X,-Y,Z REMARK 290 11555 -Y+1/2,X,Z+3/4 REMARK 290 12555 Y,-X+1/2,Z+1/4 REMARK 290 13555 -X,Y+1/2,-Z+1/4 REMARK 290 14555 X+1/2,-Y,-Z+3/4 REMARK 290 15555 Y,X,-Z REMARK 290 16555 -Y+1/2,-X+1/2,-Z+1/2 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 42.43000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 42.43000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 26.38000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 42.43000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 13.19000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 42.43000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 39.57000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 42.43000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 39.57000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 42.43000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 13.19000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 42.43000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 42.43000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 26.38000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 1.000000 0.000000 0.000000 42.43000 REMARK 290 SMTRY2 9 0.000000 1.000000 0.000000 42.43000 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 26.38000 REMARK 290 SMTRY1 10 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 11 0.000000 -1.000000 0.000000 42.43000 REMARK 290 SMTRY2 11 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 1.000000 39.57000 REMARK 290 SMTRY1 12 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 12 -1.000000 0.000000 0.000000 42.43000 REMARK 290 SMTRY3 12 0.000000 0.000000 1.000000 13.19000 REMARK 290 SMTRY1 13 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 42.43000 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 13.19000 REMARK 290 SMTRY1 14 1.000000 0.000000 0.000000 42.43000 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 39.57000 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 15 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 42.43000 REMARK 290 SMTRY2 16 -1.000000 0.000000 0.000000 42.43000 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 26.38000 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 6690 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15220 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -34.0 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 0.000000 -1.000000 0.000000 84.86000 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 84.86000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 52.76000 REMARK 350 BIOMT1 3 -1.000000 0.000000 0.000000 84.86000 REMARK 350 BIOMT2 3 0.000000 -1.000000 0.000000 84.86000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 4 0.000000 0.000000 -1.000000 52.76000 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 222 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 225 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 240 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 241 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 245 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 THR A 71 REMARK 465 GLN A 72 REMARK 465 THR A 73 REMARK 465 PRO A 74 REMARK 465 LYS A 75 REMARK 465 THR A 76 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 PRO A 2 -79.99 -77.37 REMARK 500 REMARK 500 REMARK: NULL REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUE MET 0 IS AN ARTIFACT OF EXPRESSION. DBREF 1DOL A 1 76 UNP P13500 CCL2_HUMAN 24 99 SEQRES 1 A 77 MET GLN PRO ASP ALA ILE ASN ALA PRO VAL THR CYS CYS SEQRES 2 A 77 TYR ASN PHE THR ASN ARG LYS ILE SER VAL GLN ARG LEU SEQRES 3 A 77 ALA SER TYR ARG ARG ILE THR SER SER LYS CYS PRO LYS SEQRES 4 A 77 GLU ALA VAL ILE PHE LYS THR ILE VAL ALA LYS GLU ILE SEQRES 5 A 77 CYS ALA ASP PRO LYS GLN LYS TRP VAL GLN ASP SER MET SEQRES 6 A 77 ASP HIS LEU ASP LYS GLN THR GLN THR PRO LYS THR FORMUL 2 HOH *52(H2 O) HELIX 1 1 ALA A 4 ASN A 6 5 3 HELIX 2 2 VAL A 22 ARG A 24 5 3 HELIX 3 3 LYS A 58 LEU A 67 1 10 SHEET 1 A 3 GLU A 50 ALA A 53 0 SHEET 2 A 3 ALA A 40 THR A 45 -1 N PHE A 43 O ILE A 51 SHEET 3 A 3 LEU A 25 ILE A 31 -1 N ILE A 31 O ALA A 40 SSBOND 1 CYS A 11 CYS A 36 1555 1555 2.03 SSBOND 2 CYS A 12 CYS A 52 1555 1555 2.02 CRYST1 84.860 84.860 52.760 90.00 90.00 90.00 I 41 2 2 16 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 0.011784 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011784 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018954 0.00000