HEADER ENDOCYTOSIS/EXOCYTOSIS 21-AUG-01 1JTH TITLE CRYSTAL STRUCTURE AND BIOPHYSICAL PROPERTIES OF A COMPLEX BETWEEN THE TITLE 2 N-TERMINAL REGION OF SNAP25 AND THE SNARE REGION OF SYNTAXIN 1A COMPND MOL_ID: 1; COMPND 2 MOLECULE: SNAP25; COMPND 3 CHAIN: A, C; COMPND 4 FRAGMENT: N-TERMINAL SNARE MOTIF; COMPND 5 SYNONYM: SYNAPTOSOMAL-ASSOCIATED PROTEIN SNAP-25; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: SYNTAXIN 1A; COMPND 9 CHAIN: B, D; COMPND 10 FRAGMENT: H3, SNARE MOTIF; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PQE9; SOURCE 10 MOL_ID: 2; SOURCE 11 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 12 ORGANISM_COMMON: NORWAY RAT; SOURCE 13 ORGANISM_TAXID: 10116; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 16 EXPRESSION_SYSTEM_STRAIN: JM190; SOURCE 17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 18 EXPRESSION_SYSTEM_PLASMID: PGEX-KG KEYWDS COILED-COIL, POLAR LAYER, ENDOCYTOSIS-EXOCYTOSIS COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR K.M.S.MISURA,L.C.GONZALEZ JR.,A.P.MAY,R.H.SCHELLER,W.I.WEIS REVDAT 8 13-MAR-24 1JTH 1 REMARK REVDAT 7 23-OCT-19 1JTH 1 REMARK REVDAT 6 16-APR-14 1JTH 1 REMARK REVDAT 5 16-NOV-11 1JTH 1 VERSN HETATM REVDAT 4 24-FEB-09 1JTH 1 VERSN REVDAT 3 01-APR-03 1JTH 1 JRNL REVDAT 2 18-DEC-02 1JTH 1 REMARK REVDAT 1 28-NOV-01 1JTH 0 JRNL AUTH K.M.MISURA,L.C.GONZALEZ JR.,A.P.MAY,R.H.SCHELLER,W.I.WEIS JRNL TITL CRYSTAL STRUCTURE AND BIOPHYSICAL PROPERTIES OF A COMPLEX JRNL TITL 2 BETWEEN THE N-TERMINAL SNARE REGION OF SNAP25 AND SYNTAXIN JRNL TITL 3 1A. JRNL REF J.BIOL.CHEM. V. 276 41301 2001 JRNL REFN ISSN 0021-9258 JRNL PMID 11533035 JRNL DOI 10.1074/JBC.M106853200 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 549679.840 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 89.8 REMARK 3 NUMBER OF REFLECTIONS : 18147 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) : 0.266 REMARK 3 FREE R VALUE : 0.289 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 12.200 REMARK 3 FREE R VALUE TEST SET COUNT : 2206 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.13 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 69.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2080 REMARK 3 BIN R VALUE (WORKING SET) : 0.3550 REMARK 3 BIN FREE R VALUE : 0.3670 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 12.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 304 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.021 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2005 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) : 37.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 52.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.03000 REMARK 3 B22 (A**2) : 17.26000 REMARK 3 B33 (A**2) : -15.23000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -7.12000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.32 REMARK 3 ESD FROM SIGMAA (A) : 0.34 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) : 0.37 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.37 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 0.900 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 14.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.620 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) : 1.410 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.210 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.750 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.240 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 46.65 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 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1JTH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 27-AUG-01. REMARK 100 THE DEPOSITION ID IS D_1000014164. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-JAN-01 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9292, 0.9795, 0.9797, 1.005 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18147 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 87.8 REMARK 200 DATA REDUNDANCY : 2.200 REMARK 200 R MERGE (I) : 0.03900 REMARK 200 R SYM (I) : 0.02000 REMARK 200 FOR THE DATA SET : 24.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 30.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.8 REMARK 200 DATA REDUNDANCY IN SHELL : 2.40 REMARK 200 R MERGE FOR SHELL (I) : 0.32700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.62 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, MES, PH 6.5, VAPOR REMARK 280 DIFFUSION, TEMPERATURE 294K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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+1/2,Y+1/2,Z REMARK 290 4555 -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 29.70000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.89000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 29.70000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 32.89000 REMARK 290 SMTRY3 4 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: 10590 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14170 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -109.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 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 93 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 MET A 1 REMARK 465 ALA A 2 REMARK 465 GLU A 3 REMARK 465 ASP A 4 REMARK 465 ALA A 5 REMARK 465 ASP A 6 REMARK 465 MET A 7 REMARK 465 ARG A 8 REMARK 465 ASN A 9 REMARK 465 GLU A 10 REMARK 465 GLU A 73 REMARK 465 ALA A 74 REMARK 465 GLU A 75 REMARK 465 LYS A 76 REMARK 465 ASN A 77 REMARK 465 LEU A 78 REMARK 465 THR A 79 REMARK 465 ASP A 80 REMARK 465 LEU A 81 REMARK 465 GLY A 82 REMARK 465 GLN B 258 REMARK 465 SER B 259 REMARK 465 LYS B 260 REMARK 465 ALA B 261 REMARK 465 ARG B 262 REMARK 465 ARG B 263 REMARK 465 LYS B 264 REMARK 465 LYS B 265 REMARK 465 ILE B 266 REMARK 465 MET B 267 REMARK 465 MET C 1 REMARK 465 ALA C 2 REMARK 465 GLU C 3 REMARK 465 ASP C 4 REMARK 465 ALA C 5 REMARK 465 ASP C 6 REMARK 465 MET C 7 REMARK 465 ARG C 8 REMARK 465 ASN C 9 REMARK 465 THR C 79 REMARK 465 ASP C 80 REMARK 465 LEU C 81 REMARK 465 GLY C 82 REMARK 465 ALA D 191 REMARK 465 LEU D 192 REMARK 465 SER D 193 REMARK 465 GLU D 194 REMARK 465 ARG D 246 REMARK 465 ALA D 247 REMARK 465 VAL D 248 REMARK 465 SER D 249 REMARK 465 ASP D 250 REMARK 465 THR D 251 REMARK 465 LYS D 252 REMARK 465 LYS D 253 REMARK 465 ALA D 254 REMARK 465 VAL D 255 REMARK 465 LYS D 256 REMARK 465 TYR D 257 REMARK 465 GLN D 258 REMARK 465 SER D 259 REMARK 465 LYS D 260 REMARK 465 ALA D 261 REMARK 465 ARG D 262 REMARK 465 ARG D 263 REMARK 465 LYS D 264 REMARK 465 LYS D 265 REMARK 465 ILE D 266 REMARK 465 MET D 267 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 LEU A 11 CG CD1 CD2 REMARK 470 GLU A 12 CG CD OE1 OE2 REMARK 470 GLU A 13 CG CD OE1 OE2 REMARK 470 LYS A 72 CG CD CE NZ REMARK 470 GLU C 10 CG CD OE1 OE2 REMARK 470 GLU C 12 CG CD OE1 OE2 REMARK 470 ARG C 16 CG CD NE CZ NH1 NH2 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SFC RELATED DB: PDB REMARK 900 1SFC CONTAINS THE SYNTAXIN 1A H3 AND SNAP-25 N-TERMINAL PEPTIDES REMARK 900 RELATED ID: 1DN1 RELATED DB: PDB REMARK 900 1DN1 CONTAINS THE SYNTAXIN 1A H3 PEPTIDE REMARK 900 RELATED ID: 1HVV RELATED DB: PDB REMARK 900 1HVV CONTAINS A HOMO-TETRAMERIC ASSEMBLY OF THE SYNTAXIN 1A H3 REMARK 900 PEPTIDE DBREF 1JTH A 1 82 UNP P60881 SNP25_RAT 1 82 DBREF 1JTH C 1 82 UNP P60881 SNP25_RAT 1 82 DBREF 1JTH B 191 267 UNP P32851 STX1A_RAT 191 267 DBREF 1JTH D 191 267 UNP P32851 STX1A_RAT 191 267 SEQRES 1 A 82 MET ALA GLU ASP ALA ASP MET ARG ASN GLU LEU GLU GLU SEQRES 2 A 82 MET GLN ARG ARG ALA ASP GLN LEU ALA ASP GLU SER LEU SEQRES 3 A 82 GLU SER THR ARG ARG MET LEU GLN LEU VAL GLU GLU SER SEQRES 4 A 82 LYS ASP ALA GLY ILE ARG THR LEU VAL MET LEU ASP GLU SEQRES 5 A 82 GLN GLY GLU GLN LEU GLU ARG ILE GLU GLU GLY MET ASP SEQRES 6 A 82 GLN ILE ASN LYS ASP MET LYS GLU ALA GLU LYS ASN LEU SEQRES 7 A 82 THR ASP LEU GLY SEQRES 1 B 77 ALA LEU SER GLU ILE GLU THR ARG HIS SER GLU ILE ILE SEQRES 2 B 77 LYS LEU GLU ASN SER ILE ARG GLU LEU HIS ASP MET PHE SEQRES 3 B 77 MET ASP MET ALA MET LEU VAL GLU SER GLN GLY GLU MET SEQRES 4 B 77 ILE ASP ARG ILE GLU TYR ASN VAL GLU HIS ALA VAL ASP SEQRES 5 B 77 TYR VAL GLU ARG ALA VAL SER ASP THR LYS LYS ALA VAL SEQRES 6 B 77 LYS TYR GLN SER LYS ALA ARG ARG LYS LYS ILE MET SEQRES 1 C 82 MET ALA GLU ASP ALA ASP MET ARG ASN GLU LEU GLU GLU SEQRES 2 C 82 MET GLN ARG ARG ALA ASP GLN LEU ALA ASP GLU SER LEU SEQRES 3 C 82 GLU SER THR ARG ARG MET LEU GLN LEU VAL GLU GLU SER SEQRES 4 C 82 LYS ASP ALA GLY ILE ARG THR LEU VAL MET LEU ASP GLU SEQRES 5 C 82 GLN GLY GLU GLN LEU GLU ARG ILE GLU GLU GLY MET ASP SEQRES 6 C 82 GLN ILE ASN LYS ASP MET LYS GLU ALA GLU LYS ASN LEU SEQRES 7 C 82 THR ASP LEU GLY SEQRES 1 D 77 ALA LEU SER GLU ILE GLU THR ARG HIS SER GLU ILE ILE SEQRES 2 D 77 LYS LEU GLU ASN SER ILE ARG GLU LEU HIS ASP MET PHE SEQRES 3 D 77 MET ASP MET ALA MET LEU VAL GLU SER GLN GLY GLU MET SEQRES 4 D 77 ILE ASP ARG ILE GLU TYR ASN VAL GLU HIS ALA VAL ASP SEQRES 5 D 77 TYR VAL GLU ARG ALA VAL SER ASP THR LYS LYS ALA VAL SEQRES 6 D 77 LYS TYR GLN SER LYS ALA ARG ARG LYS LYS ILE MET FORMUL 5 HOH *52(H2 O) HELIX 1 1 LEU A 11 LYS A 72 1 62 HELIX 2 2 ALA B 191 TYR B 257 1 67 HELIX 3 3 GLU C 10 LEU C 78 1 69 HELIX 4 4 ILE D 195 GLU D 245 1 51 CRYST1 59.400 65.780 80.100 90.00 99.50 90.00 C 1 2 1 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 0.016835 0.000000 0.002817 0.00000 SCALE2 0.000000 0.015202 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012658 0.00000