HEADER CYTOKINE 11-JAN-99 1ERN TITLE NATIVE STRUCTURE OF THE EXTRACELLULAR DOMAIN OF ERYTHROPOIETIN (EPO) TITLE 2 RECEPTOR [EBP] COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (ERYTHROPOIETIN RECEPTOR); COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: EXTRACELLULAR DOMAIN; COMPND 5 SYNONYM: EBP; COMPND 6 ENGINEERED: 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 KEYWDS ERYTHROPOIETIN RECEPTOR, SIGNAL TRANSDUCTION, CYTOKINE RECEPTOR CLASS KEYWDS 2 1, CYTOKINE EXPDTA X-RAY DIFFRACTION AUTHOR O.LIVNAH,E.A.STURA,I.A.WILSON REVDAT 4 06-NOV-24 1ERN 1 REMARK REVDAT 3 09-AUG-23 1ERN 1 REMARK REVDAT 2 24-FEB-09 1ERN 1 VERSN REVDAT 1 07-JAN-00 1ERN 0 JRNL AUTH O.LIVNAH,E.A.STURA,S.A.MIDDLETON,D.L.JOHNSON,L.K.JOLLIFFE, JRNL AUTH 2 I.A.WILSON JRNL TITL CRYSTALLOGRAPHIC EVIDENCE FOR PREFORMED DIMERS OF JRNL TITL 2 ERYTHROPOIETIN RECEPTOR BEFORE LIGAND ACTIVATION. JRNL REF SCIENCE V. 283 987 1999 JRNL REFN ISSN 0036-8075 JRNL PMID 9974392 JRNL DOI 10.1126/SCIENCE.283.5404.987 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH O.LIVNAH,E.A.STURA,D.L.JOHNSON,S.A.MIDDLETON,L.S.MULCAHY, REMARK 1 AUTH 2 N.C.WRIGHTON,W.J.DOWER,L.K.JOLLIFFE,I.A.WILSON REMARK 1 TITL FUNCTIONAL MIMICRY OF A PROTEIN HORMONE BY A PEPTIDE REMARK 1 TITL 2 AGONIST: THE EPO RECEPTOR COMPLEX AT 2.8 A REMARK 1 REF SCIENCE V. 273 464 1996 REMARK 1 REFN ISSN 0036-8075 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.3 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 86.0 REMARK 3 NUMBER OF REFLECTIONS : 13894 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : R-FREE REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.216 REMARK 3 FREE R VALUE : 0.295 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1423 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) : 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 : 3240 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 97 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.760 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : WATER.PARAM REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ERN 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_1000007130. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 160 REMARK 200 PH : 7.7 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL 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 : 14951 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 2.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05900 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 9.3000 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) : 2.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.28000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1EBP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.7 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1440 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20980 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -10.0 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 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 ARG A 21 REMARK 465 GLY A 22 REMARK 465 PRO A 23 REMARK 465 SER A 135 REMARK 465 ASN A 164 REMARK 465 SER A 222 REMARK 465 ARG B 21 REMARK 465 GLY B 22 REMARK 465 PRO B 23 REMARK 465 ASN B 164 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 VAL A 94 CG1 CG2 REMARK 480 VAL B 94 CG1 CG2 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 ALA A 19 21.75 -62.03 REMARK 500 ARG A 32 37.17 -140.53 REMARK 500 GLU A 34 35.94 -146.12 REMARK 500 PRO A 50 -9.16 -57.70 REMARK 500 GLU A 60 117.99 -39.26 REMARK 500 ASP A 61 73.73 38.46 REMARK 500 ARG A 68 96.07 -60.17 REMARK 500 ARG A 108 -48.07 -138.84 REMARK 500 LEU A 120 80.83 -154.38 REMARK 500 ALA A 166 101.55 -44.71 REMARK 500 GLU A 176 10.63 56.49 REMARK 500 THR A 179 45.80 -105.41 REMARK 500 ARG A 189 71.02 27.31 REMARK 500 GLU A 202 44.00 83.46 REMARK 500 SER A 204 18.21 -144.26 REMARK 500 LEU B 17 -56.31 -29.21 REMARK 500 LEU B 33 26.25 -53.64 REMARK 500 GLU B 60 -135.74 59.60 REMARK 500 ARG B 99 118.90 -169.71 REMARK 500 ALA B 132 -69.74 -126.76 REMARK 500 SER B 135 40.19 -96.73 REMARK 500 PRO B 146 170.80 -53.27 REMARK 500 GLU B 147 55.37 21.01 REMARK 500 LEU B 175 -149.57 -55.10 REMARK 500 ARG B 189 76.86 -60.96 REMARK 500 SER B 204 25.68 -156.98 REMARK 500 SER B 210 -174.76 -67.58 REMARK 500 REMARK 500 REMARK: NULL DBREF 1ERN A 10 222 UNP P19235 EPOR_HUMAN 34 246 DBREF 1ERN B 10 222 UNP P19235 EPOR_HUMAN 34 246 SEQRES 1 A 213 LYS PHE GLU SER LYS ALA ALA LEU LEU ALA ALA ARG GLY SEQRES 2 A 213 PRO GLU GLU LEU LEU CYS PHE THR GLU ARG LEU GLU ASP SEQRES 3 A 213 LEU VAL CYS PHE TRP GLU GLU ALA ALA SER ALA GLY VAL SEQRES 4 A 213 GLY PRO GLY ASN TYR SER PHE SER TYR GLN LEU GLU ASP SEQRES 5 A 213 GLU PRO TRP LYS LEU CYS ARG LEU HIS GLN ALA PRO THR SEQRES 6 A 213 ALA ARG GLY ALA VAL ARG PHE TRP CYS SER LEU PRO THR SEQRES 7 A 213 ALA ASP THR SER SER PHE VAL PRO LEU GLU LEU ARG VAL SEQRES 8 A 213 THR ALA ALA SER GLY ALA PRO ARG TYR HIS ARG VAL ILE SEQRES 9 A 213 HIS ILE ASN GLU VAL VAL LEU LEU ASP ALA PRO VAL GLY SEQRES 10 A 213 LEU VAL ALA ARG LEU ALA ASP GLU SER GLY HIS VAL VAL SEQRES 11 A 213 LEU ARG TRP LEU PRO PRO PRO GLU THR PRO MET THR SER SEQRES 12 A 213 HIS ILE ARG TYR GLU VAL ASP VAL SER ALA GLY ASN GLY SEQRES 13 A 213 ALA GLY SER VAL GLN ARG VAL GLU ILE LEU GLU GLY ARG SEQRES 14 A 213 THR GLU CYS VAL LEU SER ASN LEU ARG GLY ARG THR ARG SEQRES 15 A 213 TYR THR PHE ALA VAL ARG ALA ARG MET ALA GLU PRO SER SEQRES 16 A 213 PHE GLY GLY PHE TRP SER ALA TRP SER GLU PRO VAL SER SEQRES 17 A 213 LEU LEU THR PRO SER SEQRES 1 B 213 LYS PHE GLU SER LYS ALA ALA LEU LEU ALA ALA ARG GLY SEQRES 2 B 213 PRO GLU GLU LEU LEU CYS PHE THR GLU ARG LEU GLU ASP SEQRES 3 B 213 LEU VAL CYS PHE TRP GLU GLU ALA ALA SER ALA GLY VAL SEQRES 4 B 213 GLY PRO GLY ASN TYR SER PHE SER TYR GLN LEU GLU ASP SEQRES 5 B 213 GLU PRO TRP LYS LEU CYS ARG LEU HIS GLN ALA PRO THR SEQRES 6 B 213 ALA ARG GLY ALA VAL ARG PHE TRP CYS SER LEU PRO THR SEQRES 7 B 213 ALA ASP THR SER SER PHE VAL PRO LEU GLU LEU ARG VAL SEQRES 8 B 213 THR ALA ALA SER GLY ALA PRO ARG TYR HIS ARG VAL ILE SEQRES 9 B 213 HIS ILE ASN GLU VAL VAL LEU LEU ASP ALA PRO VAL GLY SEQRES 10 B 213 LEU VAL ALA ARG LEU ALA ASP GLU SER GLY HIS VAL VAL SEQRES 11 B 213 LEU ARG TRP LEU PRO PRO PRO GLU THR PRO MET THR SER SEQRES 12 B 213 HIS ILE ARG TYR GLU VAL ASP VAL SER ALA GLY ASN GLY SEQRES 13 B 213 ALA GLY SER VAL GLN ARG VAL GLU ILE LEU GLU GLY ARG SEQRES 14 B 213 THR GLU CYS VAL LEU SER ASN LEU ARG GLY ARG THR ARG SEQRES 15 B 213 TYR THR PHE ALA VAL ARG ALA ARG MET ALA GLU PRO SER SEQRES 16 B 213 PHE GLY GLY PHE TRP SER ALA TRP SER GLU PRO VAL SER SEQRES 17 B 213 LEU LEU THR PRO SER FORMUL 3 HOH *97(H2 O) HELIX 1 1 GLU A 12 LEU A 18 1 7 HELIX 2 2 PRO A 50 ASN A 52 5 3 HELIX 3 3 THR A 87 ASP A 89 5 3 HELIX 4 4 ILE A 115 GLU A 117 5 3 HELIX 5 5 THR A 151 HIS A 153 5 3 HELIX 6 6 PHE B 11 ALA B 19 1 9 HELIX 7 7 PRO B 50 ASN B 52 5 3 HELIX 8 8 THR B 87 ASP B 89 5 3 HELIX 9 9 ILE B 115 GLU B 117 5 3 HELIX 10 10 THR B 151 HIS B 153 5 3 SHEET 1 A 4 LEU A 27 PHE A 29 0 SHEET 2 A 4 VAL A 37 ALA A 43 -1 N PHE A 39 O LEU A 27 SHEET 3 A 4 ALA A 78 SER A 84 -1 N CYS A 83 O CYS A 38 SHEET 4 A 4 HIS A 70 ALA A 72 -1 N ALA A 72 O ARG A 80 SHEET 1 B 3 TYR A 53 GLN A 58 0 SHEET 2 B 3 LEU A 96 ALA A 102 -1 N THR A 101 O SER A 54 SHEET 3 B 3 PRO A 107 ILE A 113 -1 N ILE A 113 O LEU A 96 SHEET 1 C 3 VAL A 128 LEU A 131 0 SHEET 2 C 3 VAL A 138 ARG A 141 -1 N ARG A 141 O VAL A 128 SHEET 3 C 3 GLU A 180 LEU A 183 -1 N LEU A 183 O VAL A 138 SHEET 1 D 4 SER A 168 ILE A 174 0 SHEET 2 D 4 ILE A 154 ALA A 162 -1 N ALA A 162 O SER A 168 SHEET 3 D 4 ARG A 191 MET A 200 -1 N ARG A 199 O ARG A 155 SHEET 4 D 4 VAL A 216 LEU A 219 -1 N LEU A 218 O TYR A 192 SHEET 1 E 4 LEU B 27 PHE B 29 0 SHEET 2 E 4 VAL B 37 GLU B 42 -1 N PHE B 39 O LEU B 27 SHEET 3 E 4 VAL B 79 SER B 84 -1 N CYS B 83 O CYS B 38 SHEET 4 E 4 HIS B 70 PRO B 73 -1 N ALA B 72 O ARG B 80 SHEET 1 F 4 LYS B 65 CYS B 67 0 SHEET 2 F 4 TYR B 53 GLN B 58 -1 N TYR B 57 O LYS B 65 SHEET 3 F 4 LEU B 96 ALA B 102 -1 N THR B 101 O SER B 54 SHEET 4 F 4 PRO B 107 ILE B 113 -1 N ILE B 113 O LEU B 96 SHEET 1 G 3 VAL B 128 LEU B 131 0 SHEET 2 G 3 HIS B 137 ARG B 141 -1 N ARG B 141 O VAL B 128 SHEET 3 G 3 VAL B 182 SER B 184 -1 N LEU B 183 O VAL B 138 SHEET 1 H 4 SER B 168 VAL B 172 0 SHEET 2 H 4 ILE B 154 ALA B 162 -1 N ALA B 162 O SER B 168 SHEET 3 H 4 ARG B 191 MET B 200 -1 N ARG B 199 O ARG B 155 SHEET 4 H 4 VAL B 216 LEU B 219 -1 N LEU B 218 O TYR B 192 SSBOND 1 CYS A 28 CYS A 38 1555 1555 2.78 SSBOND 2 CYS A 67 CYS A 83 1555 1555 2.63 SSBOND 3 CYS B 28 CYS B 38 1555 1555 2.03 SSBOND 4 CYS B 67 CYS B 83 1555 1555 2.03 CRYST1 38.760 55.680 58.430 62.65 88.31 74.97 P 1 2 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 0.025800 -0.006927 0.002807 0.00000 SCALE2 0.000000 0.018596 -0.009848 0.00000 SCALE3 0.000000 0.000000 0.019375 0.00000