PDB Short entry for 1SGK HEADER TOXIN 12-SEP-96 1SGK TITLE NUCLEOTIDE-FREE DIPHTHERIA TOXIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIPHTHERIA TOXIN (DIMERIC); COMPND 3 CHAIN: A; COMPND 4 SYNONYM: DT; COMPND 5 EC: 2.4.2.36 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CORYNEPHAGE BETA; SOURCE 3 ORGANISM_TAXID: 10703; SOURCE 4 OTHER_DETAILS: PURCHASED FROM CONNAUGHT LABORATORIES KEYWDS TOXIN, ADP-RIBOSYLATION, TRANSFERASE, GLYCOSYLTRANSFERASE, NAD, ADP- KEYWDS 2 RIBOSYL TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR C.E.BELL,D.EISENBERG REVDAT 4 09-AUG-23 1SGK 1 REMARK REVDAT 3 13-JUL-11 1SGK 1 VERSN REVDAT 2 24-FEB-09 1SGK 1 VERSN REVDAT 1 23-DEC-96 1SGK 0 JRNL AUTH C.E.BELL,D.EISENBERG JRNL TITL CRYSTAL STRUCTURE OF NUCLEOTIDE-FREE DIPHTHERIA TOXIN. JRNL REF BIOCHEMISTRY V. 36 481 1997 JRNL REFN ISSN 0006-2960 JRNL PMID 9012663 JRNL DOI 10.1021/BI962214S REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.E.BELL,D.EISENBERG REMARK 1 TITL CRYSTAL STRUCTURE OF DIPHTHERIA TOXIN BOUND TO NICOTINAMIDE REMARK 1 TITL 2 ADENINE DINUCLEOTIDE REMARK 1 REF BIOCHEMISTRY V. 35 1137 1996 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.J.BENNETT,S.CHOE,D.EISENBERG REMARK 1 TITL DOMAIN SWAPPING: ENTANGLING ALLIANCES BETWEEN PROTEINS REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 91 3127 1994 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 3 REMARK 1 AUTH M.J.BENNETT,D.EISENBERG REMARK 1 TITL REFINED STRUCTURE OF MONOMERIC DIPHTHERIA TOXIN AT 2.3 A REMARK 1 TITL 2 RESOLUTION REMARK 1 REF PROTEIN SCI. V. 3 1464 1994 REMARK 1 REFN ISSN 0961-8368 REMARK 1 REFERENCE 4 REMARK 1 AUTH M.J.BENNETT,S.CHOE,D.EISENBERG REMARK 1 TITL REFINED STRUCTURE OF DIMERIC DIPHTHERIA TOXIN AT 2.0 A REMARK 1 TITL 2 RESOLUTION REMARK 1 REF PROTEIN SCI. V. 3 1444 1994 REMARK 1 REFN ISSN 0961-8368 REMARK 1 REFERENCE 5 REMARK 1 AUTH S.CHOE,M.J.BENNETT,G.FUJII,P.M.CURMI,K.A.KANTARDJIEFF, REMARK 1 AUTH 2 R.J.COLLIER,D.EISENBERG REMARK 1 TITL THE CRYSTAL STRUCTURE OF DIPHTHERIA TOXIN REMARK 1 REF NATURE V. 357 216 1992 REMARK 1 REFN ISSN 0028-0836 REMARK 2 REMARK 2 RESOLUTION. 2.30 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.2 REMARK 3 NUMBER OF REFLECTIONS : 25726 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-FACTOR REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.182 REMARK 3 FREE R VALUE : 0.282 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2565 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) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.40 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 9.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2729 REMARK 3 BIN R VALUE (WORKING SET) : 0.2874 REMARK 3 BIN FREE R VALUE : 0.3510 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 81.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 325 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 : 4021 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 357 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 33.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.80 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) : 0.25 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) : 0.35 REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.400 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 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; 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 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1SGK 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_1000176363. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-APR-94 REMARK 200 TEMPERATURE (KELVIN) : 94 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : R-AXIS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26627 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.7 REMARK 200 DATA REDUNDANCY : 2.800 REMARK 200 R MERGE (I) : 0.06600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 9.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.40 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.23900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: DT-DIMER APUP COMPLEX (PDB ENTRY 1DDT) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.67 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: HANGING DROP, 12 % PEG8000, 0.43M REMARK 280 NACL, 0.043M TRIS, PH 7.5, VAPOR DIFFUSION - HANGING DROP, VAPOR REMARK 280 DIFFUSION, HANGING DROP 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 52.60000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 45.60000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 52.60000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 45.60000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 8350 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 41190 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -26.0 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 -1.000000 0.000000 0.000000 -9.56491 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 130.24927 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 GLY A 188 REMARK 465 ASN A 189 REMARK 465 ARG A 190 REMARK 465 VAL A 191 REMARK 465 ARG A 192 REMARK 465 ARG A 193 REMARK 465 SER A 194 REMARK 465 VAL A 195 REMARK 465 GLY A 196 REMARK 465 SER A 197 REMARK 465 SER A 198 REMARK 465 LEU A 199 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 GLU A 164 -63.47 -102.87 REMARK 500 CYS A 201 124.12 79.48 REMARK 500 THR A 237 100.68 -56.30 REMARK 500 VAL A 347 57.07 -154.23 REMARK 500 GLU A 349 54.37 -147.62 REMARK 500 LEU A 350 -167.68 -174.00 REMARK 500 TYR A 358 -80.58 -120.80 REMARK 500 LYS A 385 -133.14 52.22 REMARK 500 ASN A 424 -97.48 -145.71 REMARK 500 LEU A 441 83.44 -152.71 REMARK 500 THR A 517 40.75 -85.36 REMARK 500 HIS A 520 -1.07 67.61 REMARK 500 LYS A 522 97.95 -64.10 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: GLU 148 ACTIVE-SITE RESIDUE INVOLVED IN REMARK 800 CATALYSIS OF THE ADP-RIBOSYLATION REACTION. DBREF 1SGK A 1 535 UNP P00588 DTX_CORBE 26 560 SEQRES 1 A 535 GLY ALA ASP ASP VAL VAL ASP SER SER LYS SER PHE VAL SEQRES 2 A 535 MET GLU ASN PHE SER SER TYR HIS GLY THR LYS PRO GLY SEQRES 3 A 535 TYR VAL ASP SER ILE GLN LYS GLY ILE GLN LYS PRO LYS SEQRES 4 A 535 SER GLY THR GLN GLY ASN TYR ASP ASP ASP TRP LYS GLY SEQRES 5 A 535 PHE TYR SER THR ASP ASN LYS TYR ASP ALA ALA GLY TYR SEQRES 6 A 535 SER VAL ASP ASN GLU ASN PRO LEU SER GLY LYS ALA GLY SEQRES 7 A 535 GLY VAL VAL LYS VAL THR TYR PRO GLY LEU THR LYS VAL SEQRES 8 A 535 LEU ALA LEU LYS VAL ASP ASN ALA GLU THR ILE LYS LYS SEQRES 9 A 535 GLU LEU GLY LEU SER LEU THR GLU PRO LEU MET GLU GLN SEQRES 10 A 535 VAL GLY THR GLU GLU PHE ILE LYS ARG PHE GLY ASP GLY SEQRES 11 A 535 ALA SER ARG VAL VAL LEU SER LEU PRO PHE ALA GLU GLY SEQRES 12 A 535 SER SER SER VAL GLU TYR ILE ASN ASN TRP GLU GLN ALA SEQRES 13 A 535 LYS ALA LEU SER VAL GLU LEU GLU ILE ASN PHE GLU THR SEQRES 14 A 535 ARG GLY LYS ARG GLY GLN ASP ALA MET TYR GLU TYR MET SEQRES 15 A 535 ALA GLN ALA CYS ALA GLY ASN ARG VAL ARG ARG SER VAL SEQRES 16 A 535 GLY SER SER LEU SER CYS ILE ASN LEU ASP TRP ASP VAL SEQRES 17 A 535 ILE ARG ASP LYS THR LYS THR LYS ILE GLU SER LEU LYS SEQRES 18 A 535 GLU HIS GLY PRO ILE LYS ASN LYS MET SER GLU SER PRO SEQRES 19 A 535 ASN LYS THR VAL SER GLU GLU LYS ALA LYS GLN TYR LEU SEQRES 20 A 535 GLU GLU PHE HIS GLN THR ALA LEU GLU HIS PRO GLU LEU SEQRES 21 A 535 SER GLU LEU LYS THR VAL THR GLY THR ASN PRO VAL PHE SEQRES 22 A 535 ALA GLY ALA ASN TYR ALA ALA TRP ALA VAL ASN VAL ALA SEQRES 23 A 535 GLN VAL ILE ASP SER GLU THR ALA ASP ASN LEU GLU LYS SEQRES 24 A 535 THR THR ALA ALA LEU SER ILE LEU PRO GLY ILE GLY SER SEQRES 25 A 535 VAL MET GLY ILE ALA ASP GLY ALA VAL HIS HIS ASN THR SEQRES 26 A 535 GLU GLU ILE VAL ALA GLN SER ILE ALA LEU SER SER LEU SEQRES 27 A 535 MET VAL ALA GLN ALA ILE PRO LEU VAL GLY GLU LEU VAL SEQRES 28 A 535 ASP ILE GLY PHE ALA ALA TYR ASN PHE VAL GLU SER ILE SEQRES 29 A 535 ILE ASN LEU PHE GLN VAL VAL HIS ASN SER TYR ASN ARG SEQRES 30 A 535 PRO ALA TYR SER PRO GLY HIS LYS THR GLN PRO PHE LEU SEQRES 31 A 535 HIS ASP GLY TYR ALA VAL SER TRP ASN THR VAL GLU ASP SEQRES 32 A 535 SER ILE ILE ARG THR GLY PHE GLN GLY GLU SER GLY HIS SEQRES 33 A 535 ASP ILE LYS ILE THR ALA GLU ASN THR PRO LEU PRO ILE SEQRES 34 A 535 ALA GLY VAL LEU LEU PRO THR ILE PRO GLY LYS LEU ASP SEQRES 35 A 535 VAL ASN LYS SER LYS THR HIS ILE SER VAL ASN GLY ARG SEQRES 36 A 535 LYS ILE ARG MET ARG CYS ARG ALA ILE ASP GLY ASP VAL SEQRES 37 A 535 THR PHE CYS ARG PRO LYS SER PRO VAL TYR VAL GLY ASN SEQRES 38 A 535 GLY VAL HIS ALA ASN LEU HIS VAL ALA PHE HIS ARG SER SEQRES 39 A 535 SER SER GLU LYS ILE HIS SER ASN GLU ILE SER SER ASP SEQRES 40 A 535 SER ILE GLY VAL LEU GLY TYR GLN LYS THR VAL ASP HIS SEQRES 41 A 535 THR LYS VAL ASN SER LYS LEU SER LEU PHE PHE GLU ILE SEQRES 42 A 535 LYS SER FORMUL 2 HOH *357(H2 O) HELIX 1 1 SER A 8 LYS A 10 5 3 HELIX 2 2 ILE A 31 LYS A 33 5 3 HELIX 3 3 ASP A 48 TRP A 50 5 3 HELIX 4 4 LYS A 59 TYR A 65 1 7 HELIX 5 5 ASN A 69 ASN A 71 5 3 HELIX 6 6 ALA A 99 GLU A 105 1 7 HELIX 7 7 LEU A 114 GLY A 119 1 6 HELIX 8 8 GLU A 121 PHE A 127 1 7 HELIX 9 9 GLN A 155 ALA A 158 5 4 HELIX 10 10 GLU A 168 ARG A 170 5 3 HELIX 11 11 ASP A 176 CYS A 186 1 11 HELIX 12 12 TRP A 206 LYS A 221 1 16 HELIX 13 13 GLY A 224 GLU A 232 1 9 HELIX 14 14 GLU A 240 GLU A 256 1 17 HELIX 15 15 SER A 261 VAL A 266 1 6 HELIX 16 16 PRO A 271 PHE A 273 5 3 HELIX 17 17 GLY A 275 ALA A 286 1 12 HELIX 18 18 SER A 291 ASP A 295 1 5 HELIX 19 19 LEU A 297 ILE A 306 1 10 HELIX 20 20 ILE A 310 MET A 314 1 5 HELIX 21 21 GLU A 326 LEU A 346 1 21 HELIX 22 22 ASP A 352 ALA A 357 1 6 HELIX 23 23 ASN A 359 ASN A 376 1 18 HELIX 24 24 GLU A 402 SER A 404 5 3 HELIX 25 25 SER A 501 GLU A 503 5 3 HELIX 26 26 VAL A 518 HIS A 520 5 3 SHEET 1 A 5 PHE A 12 GLU A 15 0 SHEET 2 A 5 LEU A 88 ALA A 93 -1 N VAL A 91 O PHE A 12 SHEET 3 A 5 ARG A 133 PRO A 139 1 N ARG A 133 O LYS A 90 SHEET 4 A 5 VAL A 147 ASN A 151 -1 N ILE A 150 O LEU A 136 SHEET 5 A 5 PHE A 53 THR A 56 -1 N SER A 55 O TYR A 149 SHEET 1 B 3 SER A 18 THR A 23 0 SHEET 2 B 3 GLY A 79 TYR A 85 -1 N VAL A 83 O SER A 19 SHEET 3 B 3 LEU A 159 ASN A 166 -1 N ILE A 165 O VAL A 80 SHEET 1 C 6 PHE A 389 HIS A 391 0 SHEET 2 C 6 TYR A 394 TRP A 398 -1 N VAL A 396 O PHE A 389 SHEET 3 C 6 GLY A 412 ALA A 422 -1 N THR A 421 O ALA A 395 SHEET 4 C 6 ALA A 485 ARG A 493 -1 N ARG A 493 O GLY A 412 SHEET 5 C 6 HIS A 449 VAL A 452 -1 N SER A 451 O ASN A 486 SHEET 6 C 6 ARG A 455 ARG A 458 -1 N ILE A 457 O ILE A 450 SHEET 1 D 2 ILE A 405 ARG A 407 0 SHEET 2 D 2 GLU A 532 LYS A 534 1 N GLU A 532 O ILE A 406 SHEET 1 E 5 MET A 459 ILE A 464 0 SHEET 2 E 5 VAL A 468 PRO A 473 -1 N ARG A 472 O ARG A 460 SHEET 3 E 5 GLY A 431 PRO A 435 -1 N LEU A 434 O THR A 469 SHEET 4 E 5 SER A 508 LEU A 512 -1 N LEU A 512 O GLY A 431 SHEET 5 E 5 LYS A 526 PHE A 530 -1 N LEU A 529 O ILE A 509 SSBOND 1 CYS A 186 CYS A 201 1555 1555 2.03 SSBOND 2 CYS A 461 CYS A 471 1555 1555 2.02 SITE 1 CAT 1 GLU A 148 CRYST1 105.200 91.200 65.300 90.00 94.20 90.00 C 1 2 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 0.009506 0.000000 0.000698 0.00000 SCALE2 0.000000 0.010965 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015355 0.00000