HEADER HYDROLASE 22-FEB-06 2DF1 OBSLTE 27-FEB-07 2DF1 2EF1 TITLE CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF HUMAN CD38 COMPND MOL_ID: 1; COMPND 2 MOLECULE: ADP-RIBOSYL CYCLASE 1; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: EXTRACELLULAR DOMAIN; COMPND 5 SYNONYM: CYCLIC ADP-RIBOSE HYDROLASE 1, CADPR HYDROLASE 1, COMPND 6 LYMPHOCYTE DIFFERENTIATION ANTIGEN CD38, T10, ACUTE COMPND 7 LYMPHOBLASTIC LEUKEMIA CELLS ANTIGEN CD38; COMPND 8 EC: 3.2.2.5; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 GENE: CD38; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_COMMON: BACTERIA; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: JM109(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PMAL-CR1 KEYWDS HYDROLASE, CELL SUEFACE ANTIGEN, STRUCTURAL GENOMICS, KEYWDS 2 NPPSFA, NATIONAL PROJECT ON PROTEIN STRUCTURAL AND KEYWDS 3 FUNCTIONAL ANALYSES, RIKEN STRUCTURAL GENOMICS/PROTEOMICS KEYWDS 4 INITIATIVE, RSGI EXPDTA X-RAY DIFFRACTION AUTHOR M.KUKIMOTO-NIINO,O.NUREKI,K.MURAYAMA,M.SHIROUZU,T.KATADA, AUTHOR 2 M.HARA-YOKOYAMA,S.YOKOYAMA,RIKEN STRUCTURAL AUTHOR 3 GENOMICS/PROTEOMICS INITIATIVE (RSGI) REVDAT 2 27-FEB-07 2DF1 1 OBSLTE REVDAT 1 30-JAN-07 2DF1 0 JRNL AUTH M.KUKIMOTO-NIINO,O.NUREKI,K.MURAYAMA,M.SHIROUZU, JRNL AUTH 2 T.KATADA,M.HARA-YOKOYAMA,S.YOKOYAMA JRNL TITL CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF JRNL TITL 2 HUMAN CD38 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 34.53 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1580025.780 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.3 REMARK 3 NUMBER OF REFLECTIONS : 20610 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) : 0.219 REMARK 3 FREE R VALUE : 0.269 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2169 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) : 2.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.55 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3098 REMARK 3 BIN R VALUE (WORKING SET) : 0.2240 REMARK 3 BIN FREE R VALUE : 0.2970 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 334 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.016 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3973 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 30 REMARK 3 SOLVENT ATOMS : 193 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 7.04000 REMARK 3 B22 (A**2) : -8.32000 REMARK 3 B33 (A**2) : 1.29000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.94000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.28 REMARK 3 ESD FROM SIGMAA (A) : 0.13 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) : 0.36 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.28 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.40 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.93 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) : 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 : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 31.56 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : EPE_XPLOR_PAR.TXT REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : EPE_XPLOR_TOP.TXT REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2DF1 COMPLIES WITH FORMAT V. 3.0, 1-DEC-2006 REMARK 4 REMARK 4 THIS FILE IS A TEST VERSION. REMARK 4 REMARK 4 THIS IS THE REMEDIATED VERSION OF THIS PDB ENTRY. REMARK 4 REMEDIATED DATA FILE REVISION 3.100 (2007-05-01) REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-FEB-2006. REMARK 100 THE RCSB ID CODE IS RCSB025340. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-JUN-1999 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL45XU REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21966 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.1 REMARK 200 DATA REDUNDANCY : 2.531 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07600 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 8.7000 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) : 2.43 REMARK 200 COMPLETENESS FOR SHELL (%) : 77.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.23200 REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL 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: 1YH3 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.35 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 10000, 0.1M HEPES, 0.1M REMARK 280 SODIUM IODIDE, PH 7.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,1/2+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 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 25.60000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 2 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE 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 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 BIOMOLECULE: 2 REMARK 350 APPLY THE FOLLOWING TO CHAINS: B REMARK 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 GLU A 292 REMARK 465 ASP A 293 REMARK 465 SER A 294 REMARK 465 SER A 295 REMARK 465 CYS A 296 REMARK 465 THR A 297 REMARK 465 SER A 298 REMARK 465 GLU A 299 REMARK 465 ILE A 300 REMARK 465 GLY B 245 REMARK 465 GLY B 246 REMARK 465 ARG B 247 REMARK 465 GLU B 248 REMARK 465 ASP B 249 REMARK 465 SER B 250 REMARK 465 ASN B 290 REMARK 465 PRO B 291 REMARK 465 GLU B 292 REMARK 465 ASP B 293 REMARK 465 SER B 294 REMARK 465 SER B 295 REMARK 465 CYS B 296 REMARK 465 THR B 297 REMARK 465 SER B 298 REMARK 465 GLU B 299 REMARK 465 ILE B 300 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),F6.3) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 PRO A 108 CB PRO A 108 CG 0.053 REMARK 500 MET A 110 SD MET A 110 CE -0.052 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 THR A 49 N - CA - C ANGL. DEV. = -8.9 DEGREES REMARK 500 PRO A 108 C - N - CA ANGL. DEV. = -9.0 DEGREES REMARK 500 THR A 144 N - CA - C ANGL. DEV. = -8.2 DEGREES REMARK 500 ILE A 168 N - CA - C ANGL. DEV. = -8.9 DEGREES REMARK 500 ASP A 175 N - CA - C ANGL. DEV. = -9.5 DEGREES REMARK 500 LEU A 230 N - CA - C ANGL. DEV. =-10.0 DEGREES REMARK 500 LEU A 238 N - CA - C ANGL. DEV. = -9.7 DEGREES REMARK 500 GLY A 245 N - CA - C ANGL. DEV. = 9.5 DEGREES REMARK 500 LEU B 230 N - CA - C ANGL. DEV. =-10.8 DEGREES 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 M RES CSSEQI PSI PHI REMARK 500 ASP A 202 -109.97 58.36 REMARK 500 ASP B 202 -108.86 56.42 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: SRZ001000050.1 RELATED DB: TARGETDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE SEQUENCE IS IDENTICAL TO THAT FOUND IN THE REFERECE, REMARK 999 JACKSON,D.G. AND BELL,J.I. J.IMMUNOL.144,2811-2815(1990). REMARK 999 SWISSPROT SHOWS THE CONFLICT(Q<-->T) IN ITS FEATURE. DBREF 2DF1 A 45 300 UNP P28907 CD38_HUMAN 45 300 DBREF 2DF1 B 45 300 UNP P28907 CD38_HUMAN 45 300 SEQADV 2DF1 THR A 49 UNP P28907 GLN 49 SEE REMARK 999 SEQADV 2DF1 THR B 49 UNP P28907 GLN 49 SEE REMARK 999 SEQRES 1 A 256 ARG TRP ARG GLN THR TRP SER GLY PRO GLY THR THR LYS SEQRES 2 A 256 ARG PHE PRO GLU THR VAL LEU ALA ARG CYS VAL LYS TYR SEQRES 3 A 256 THR GLU ILE HIS PRO GLU MET ARG HIS VAL ASP CYS GLN SEQRES 4 A 256 SER VAL TRP ASP ALA PHE LYS GLY ALA PHE ILE SER LYS SEQRES 5 A 256 HIS PRO CYS ASN ILE THR GLU GLU ASP TYR GLN PRO LEU SEQRES 6 A 256 MET LYS LEU GLY THR GLN THR VAL PRO CYS ASN LYS ILE SEQRES 7 A 256 LEU LEU TRP SER ARG ILE LYS ASP LEU ALA HIS GLN PHE SEQRES 8 A 256 THR GLN VAL GLN ARG ASP MET PHE THR LEU GLU ASP THR SEQRES 9 A 256 LEU LEU GLY TYR LEU ALA ASP ASP LEU THR TRP CYS GLY SEQRES 10 A 256 GLU PHE ASN THR SER LYS ILE ASN TYR GLN SER CYS PRO SEQRES 11 A 256 ASP TRP ARG LYS ASP CYS SER ASN ASN PRO VAL SER VAL SEQRES 12 A 256 PHE TRP LYS THR VAL SER ARG ARG PHE ALA GLU ALA ALA SEQRES 13 A 256 CYS ASP VAL VAL HIS VAL MET LEU ASN GLY SER ARG SER SEQRES 14 A 256 LYS ILE PHE ASP LYS ASN SER THR PHE GLY SER VAL GLU SEQRES 15 A 256 VAL HIS ASN LEU GLN PRO GLU LYS VAL GLN THR LEU GLU SEQRES 16 A 256 ALA TRP VAL ILE HIS GLY GLY ARG GLU ASP SER ARG ASP SEQRES 17 A 256 LEU CYS GLN ASP PRO THR ILE LYS GLU LEU GLU SER ILE SEQRES 18 A 256 ILE SER LYS ARG ASN ILE GLN PHE SER CYS LYS ASN ILE SEQRES 19 A 256 TYR ARG PRO ASP LYS PHE LEU GLN CYS VAL LYS ASN PRO SEQRES 20 A 256 GLU ASP SER SER CYS THR SER GLU ILE SEQRES 1 B 256 ARG TRP ARG GLN THR TRP SER GLY PRO GLY THR THR LYS SEQRES 2 B 256 ARG PHE PRO GLU THR VAL LEU ALA ARG CYS VAL LYS TYR SEQRES 3 B 256 THR GLU ILE HIS PRO GLU MET ARG HIS VAL ASP CYS GLN SEQRES 4 B 256 SER VAL TRP ASP ALA PHE LYS GLY ALA PHE ILE SER LYS SEQRES 5 B 256 HIS PRO CYS ASN ILE THR GLU GLU ASP TYR GLN PRO LEU SEQRES 6 B 256 MET LYS LEU GLY THR GLN THR VAL PRO CYS ASN LYS ILE SEQRES 7 B 256 LEU LEU TRP SER ARG ILE LYS ASP LEU ALA HIS GLN PHE SEQRES 8 B 256 THR GLN VAL GLN ARG ASP MET PHE THR LEU GLU ASP THR SEQRES 9 B 256 LEU LEU GLY TYR LEU ALA ASP ASP LEU THR TRP CYS GLY SEQRES 10 B 256 GLU PHE ASN THR SER LYS ILE ASN TYR GLN SER CYS PRO SEQRES 11 B 256 ASP TRP ARG LYS ASP CYS SER ASN ASN PRO VAL SER VAL SEQRES 12 B 256 PHE TRP LYS THR VAL SER ARG ARG PHE ALA GLU ALA ALA SEQRES 13 B 256 CYS ASP VAL VAL HIS VAL MET LEU ASN GLY SER ARG SER SEQRES 14 B 256 LYS ILE PHE ASP LYS ASN SER THR PHE GLY SER VAL GLU SEQRES 15 B 256 VAL HIS ASN LEU GLN PRO GLU LYS VAL GLN THR LEU GLU SEQRES 16 B 256 ALA TRP VAL ILE HIS GLY GLY ARG GLU ASP SER ARG ASP SEQRES 17 B 256 LEU CYS GLN ASP PRO THR ILE LYS GLU LEU GLU SER ILE SEQRES 18 B 256 ILE SER LYS ARG ASN ILE GLN PHE SER CYS LYS ASN ILE SEQRES 19 B 256 TYR ARG PRO ASP LYS PHE LEU GLN CYS VAL LYS ASN PRO SEQRES 20 B 256 GLU ASP SER SER CYS THR SER GLU ILE HET EPE 301 15 HET EPE 302 15 HETNAM EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID HETSYN EPE HEPES FORMUL 3 EPE 2(C8 H18 N2 O4 S) FORMUL 5 HOH *193(H2 O) HELIX 1 1 ARG A 58 HIS A 74 1 17 HELIX 2 2 PRO A 75 ARG A 78 5 4 HELIX 3 3 ASP A 81 ILE A 94 1 14 HELIX 4 4 THR A 102 GLY A 113 1 12 HELIX 5 5 PRO A 118 LYS A 121 5 4 HELIX 6 6 ILE A 128 GLN A 139 1 12 HELIX 7 7 THR A 144 ASP A 147 5 4 HELIX 8 8 THR A 148 ASP A 155 1 8 HELIX 9 9 ASN A 183 ALA A 200 1 18 HELIX 10 10 SER A 220 VAL A 225 1 6 HELIX 11 11 GLU A 226 LEU A 230 5 5 HELIX 12 12 ASP A 252 GLN A 255 5 4 HELIX 13 13 ASP A 256 LYS A 268 1 13 HELIX 14 14 ARG A 280 ASN A 290 1 11 HELIX 15 15 ARG B 58 HIS B 74 1 17 HELIX 16 16 PRO B 75 ARG B 78 5 4 HELIX 17 17 ASP B 81 ILE B 94 1 14 HELIX 18 18 GLU B 103 ASP B 105 5 3 HELIX 19 19 TYR B 106 GLY B 113 1 8 HELIX 20 20 ILE B 128 GLN B 139 1 12 HELIX 21 21 THR B 144 ASP B 147 5 4 HELIX 22 22 THR B 148 ASP B 155 1 8 HELIX 23 23 ASN B 183 ALA B 199 1 17 HELIX 24 24 SER B 220 VAL B 225 1 6 HELIX 25 25 VAL B 225 LEU B 230 1 6 HELIX 26 26 ASP B 252 GLN B 255 5 4 HELIX 27 27 ASP B 256 LYS B 268 1 13 HELIX 28 28 LYS B 283 VAL B 288 1 6 SHEET 1 A 2 GLY A 52 PRO A 53 0 SHEET 2 A 2 SER A 172 CYS A 173 -1 O CYS A 173 N GLY A 52 SHEET 1 B 4 LEU A 123 SER A 126 0 SHEET 2 B 4 ASP A 202 ASN A 209 1 O HIS A 205 N LEU A 124 SHEET 3 B 4 VAL A 235 ILE A 243 1 O GLU A 239 N VAL A 204 SHEET 4 B 4 GLN A 272 ILE A 278 1 O SER A 274 N ALA A 240 SHEET 1 C 2 GLY B 52 PRO B 53 0 SHEET 2 C 2 SER B 172 CYS B 173 -1 O CYS B 173 N GLY B 52 SHEET 1 D 4 LEU B 123 SER B 126 0 SHEET 2 D 4 ASP B 202 ASN B 209 1 O HIS B 205 N LEU B 124 SHEET 3 D 4 VAL B 235 ILE B 243 1 O TRP B 241 N LEU B 208 SHEET 4 D 4 GLN B 272 ILE B 278 1 O SER B 274 N ALA B 240 SSBOND 1 CYS A 67 CYS A 82 SSBOND 2 CYS A 99 CYS A 180 SSBOND 3 CYS A 119 CYS A 201 SSBOND 4 CYS A 160 CYS A 173 SSBOND 5 CYS A 254 CYS A 275 SSBOND 6 CYS B 67 CYS B 82 SSBOND 7 CYS B 99 CYS B 180 SSBOND 8 CYS B 119 CYS B 201 SSBOND 9 CYS B 160 CYS B 173 SSBOND 10 CYS B 254 CYS B 275 CRYST1 57.400 51.200 101.100 90.00 97.90 90.00 P 1 21 1 4 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 0.017422 0.000000 0.002417 0.00000 SCALE2 0.000000 0.019531 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009986 0.00000