HEADER TOXIN 03-SEP-99 1CZG TITLE STRUCTURE OF THE G62T MUTANT OF SHIGA-LIKE TOXIN I B SUBUNIT COMPND MOL_ID: 1; COMPND 2 MOLECULE: SHIGA TOXIN B-CHAIN; COMPND 3 CHAIN: A, B, C, D, E; COMPND 4 FRAGMENT: SHIGA-LIKE TOXIN I BINDING DOMAIN; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PHAGE H30; SOURCE 3 ORGANISM_TAXID: 12371; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS BACTERIAL TOXIN, SUGAR RECEPTOR BINDING DOMAIN, PROTEIN-CARBOHYDRATE KEYWDS 2 RECOGNITION, OB-FOLD, TOXIN EXPDTA X-RAY DIFFRACTION AUTHOR H.LING,D.BAST,J.L.BRUNTON,R.J.READ REVDAT 4 03-NOV-21 1CZG 1 SEQADV REVDAT 3 04-OCT-17 1CZG 1 REMARK REVDAT 2 24-FEB-09 1CZG 1 VERSN REVDAT 1 13-SEP-00 1CZG 0 JRNL AUTH H.LING,D.BAST,J.L.BRUNTON,R.J.READ JRNL TITL STRUCTURE OF THE G62T MUTANT OF SHIGA-LIKE TOXIN I B SUBUNIT JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.50 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) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.70 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) (%) : 86.8 REMARK 3 NUMBER OF REFLECTIONS : 11150 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : THIN SHELLS THROUGH WHOLE REMARK 3 RESOLUTION RANGE REMARK 3 R VALUE (WORKING SET) : 0.224 REMARK 3 FREE R VALUE : 0.251 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 930 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 : 2715 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 29 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 37.60 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: MAXIMUM LIKELIHOOD F TARGET, WITH NCS REMARK 3 RESTRAINTS REMARK 4 REMARK 4 1CZG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-SEP-99. REMARK 100 THE DEPOSITION ID IS D_1000009646. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-DEC-97 REMARK 200 TEMPERATURE (KELVIN) : 298.0 REMARK 200 PH : 7.5 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 : SIEMENS 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 : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : X-GEN REMARK 200 DATA SCALING SOFTWARE : X-GEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11150 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 48.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 86.8 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.08500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.54 REMARK 200 COMPLETENESS FOR SHELL (%) : 50.1 REMARK 200 DATA REDUNDANCY IN SHELL : 1.80 REMARK 200 R MERGE FOR SHELL (I) : 0.19300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.37 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG4000, 10% PROPANOL, PH 7.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 27.32650 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.37250 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 48.68650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.37250 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.32650 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 48.68650 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 300 REMARK: HOMOPENTAMER, PROTEIN IS ACTIVE AS PENTAMERS. 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: PENTAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: PENTAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6480 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13860 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -34.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OD1 ASN A 155 O HOH C 706 3555 2.11 REMARK 500 REMARK 500 REMARK: NULL 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 SER A 164 12.26 -150.90 REMARK 500 SER B 264 12.31 -151.23 REMARK 500 ASP D 418 6.77 81.96 REMARK 500 ASP E 518 -0.86 71.36 REMARK 500 SER E 564 7.68 -150.46 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1BOS RELATED DB: PDB REMARK 900 1BOS CONTAINS THE WILD-TYPE SLT-I B IN COMPLEX WITH THE CABOHYDRATE REMARK 900 RECEPTOR GB3. DBREF 1CZG A 101 169 UNP P69178 SLTB_BPH30 21 89 DBREF 1CZG B 201 269 UNP P69178 SLTB_BPH30 21 89 DBREF 1CZG C 301 369 UNP P69178 SLTB_BPH30 21 89 DBREF 1CZG D 401 469 UNP P69178 SLTB_BPH30 21 89 DBREF 1CZG E 501 569 UNP P69178 SLTB_BPH30 21 89 SEQADV 1CZG THR A 162 UNP P69178 GLY 62 ENGINEERED MUTATION SEQADV 1CZG THR B 262 UNP P69178 GLY 62 ENGINEERED MUTATION SEQADV 1CZG THR C 362 UNP P69178 GLY 62 ENGINEERED MUTATION SEQADV 1CZG THR D 462 UNP P69178 GLY 62 ENGINEERED MUTATION SEQADV 1CZG THR E 562 UNP P69178 GLY 62 ENGINEERED MUTATION SEQRES 1 A 69 THR PRO ASP CYS VAL THR GLY LYS VAL GLU TYR THR LYS SEQRES 2 A 69 TYR ASN ASP ASP ASP THR PHE THR VAL LYS VAL GLY ASP SEQRES 3 A 69 LYS GLU LEU PHE THR ASN ARG TRP ASN LEU GLN SER LEU SEQRES 4 A 69 LEU LEU SER ALA GLN ILE THR GLY MET THR VAL THR ILE SEQRES 5 A 69 LYS THR ASN ALA CYS HIS ASN GLY GLY THR PHE SER GLU SEQRES 6 A 69 VAL ILE PHE ARG SEQRES 1 B 69 THR PRO ASP CYS VAL THR GLY LYS VAL GLU TYR THR LYS SEQRES 2 B 69 TYR ASN ASP ASP ASP THR PHE THR VAL LYS VAL GLY ASP SEQRES 3 B 69 LYS GLU LEU PHE THR ASN ARG TRP ASN LEU GLN SER LEU SEQRES 4 B 69 LEU LEU SER ALA GLN ILE THR GLY MET THR VAL THR ILE SEQRES 5 B 69 LYS THR ASN ALA CYS HIS ASN GLY GLY THR PHE SER GLU SEQRES 6 B 69 VAL ILE PHE ARG SEQRES 1 C 69 THR PRO ASP CYS VAL THR GLY LYS VAL GLU TYR THR LYS SEQRES 2 C 69 TYR ASN ASP ASP ASP THR PHE THR VAL LYS VAL GLY ASP SEQRES 3 C 69 LYS GLU LEU PHE THR ASN ARG TRP ASN LEU GLN SER LEU SEQRES 4 C 69 LEU LEU SER ALA GLN ILE THR GLY MET THR VAL THR ILE SEQRES 5 C 69 LYS THR ASN ALA CYS HIS ASN GLY GLY THR PHE SER GLU SEQRES 6 C 69 VAL ILE PHE ARG SEQRES 1 D 69 THR PRO ASP CYS VAL THR GLY LYS VAL GLU TYR THR LYS SEQRES 2 D 69 TYR ASN ASP ASP ASP THR PHE THR VAL LYS VAL GLY ASP SEQRES 3 D 69 LYS GLU LEU PHE THR ASN ARG TRP ASN LEU GLN SER LEU SEQRES 4 D 69 LEU LEU SER ALA GLN ILE THR GLY MET THR VAL THR ILE SEQRES 5 D 69 LYS THR ASN ALA CYS HIS ASN GLY GLY THR PHE SER GLU SEQRES 6 D 69 VAL ILE PHE ARG SEQRES 1 E 69 THR PRO ASP CYS VAL THR GLY LYS VAL GLU TYR THR LYS SEQRES 2 E 69 TYR ASN ASP ASP ASP THR PHE THR VAL LYS VAL GLY ASP SEQRES 3 E 69 LYS GLU LEU PHE THR ASN ARG TRP ASN LEU GLN SER LEU SEQRES 4 E 69 LEU LEU SER ALA GLN ILE THR GLY MET THR VAL THR ILE SEQRES 5 E 69 LYS THR ASN ALA CYS HIS ASN GLY GLY THR PHE SER GLU SEQRES 6 E 69 VAL ILE PHE ARG FORMUL 6 HOH *29(H2 O) HELIX 1 1 TRP A 134 THR A 146 1 13 HELIX 2 2 TRP B 234 THR B 246 5 13 HELIX 3 3 TRP C 334 THR C 346 5 13 HELIX 4 4 TRP D 434 THR D 446 5 13 HELIX 5 5 TRP E 534 THR E 546 1 13 SHEET 1 A 3 LYS A 127 THR A 131 0 SHEET 2 A 3 PHE A 120 VAL A 124 -1 N VAL A 124 O LYS A 127 SHEET 3 A 3 VAL A 109 TYR A 114 -1 N LYS A 113 O THR A 121 SHEET 1 B 3 GLU A 165 ARG A 169 0 SHEET 2 B 3 THR A 149 LYS A 153 -1 N LYS A 153 O GLU A 165 SHEET 3 B 3 ASP A 103 LYS A 108 -1 N GLY A 107 O VAL A 150 SHEET 1 C 3 LYS B 227 THR B 231 0 SHEET 2 C 3 PHE B 220 VAL B 224 -1 N VAL B 224 O LYS B 227 SHEET 3 C 3 VAL B 209 TYR B 214 -1 N LYS B 213 O THR B 221 SHEET 1 D 3 GLU B 265 ARG B 269 0 SHEET 2 D 3 THR B 249 LYS B 253 -1 N LYS B 253 O GLU B 265 SHEET 3 D 3 ASP B 203 LYS B 208 -1 N GLY B 207 O VAL B 250 SHEET 1 E 3 TYR C 311 TYR C 314 0 SHEET 2 E 3 PHE C 320 VAL C 324 -1 N LYS C 323 O TYR C 311 SHEET 3 E 3 LYS C 327 THR C 331 -1 N THR C 331 O PHE C 320 SHEET 1 F 3 GLU C 365 ARG C 369 0 SHEET 2 F 3 THR C 349 LYS C 353 -1 N LYS C 353 O GLU C 365 SHEET 3 F 3 ASP C 303 LYS C 308 -1 N GLY C 307 O VAL C 350 SHEET 1 G 3 LYS D 427 THR D 431 0 SHEET 2 G 3 PHE D 420 VAL D 424 -1 N VAL D 424 O LYS D 427 SHEET 3 G 3 VAL D 409 TYR D 414 -1 N LYS D 413 O THR D 421 SHEET 1 H 3 GLU D 465 ARG D 469 0 SHEET 2 H 3 THR D 449 LYS D 453 -1 N LYS D 453 O GLU D 465 SHEET 3 H 3 ASP D 403 LYS D 408 -1 N GLY D 407 O VAL D 450 SHEET 1 I 3 LYS E 527 THR E 531 0 SHEET 2 I 3 PHE E 520 VAL E 524 -1 N VAL E 524 O LYS E 527 SHEET 3 I 3 VAL E 509 TYR E 514 -1 N LYS E 513 O THR E 521 SHEET 1 J 3 GLU E 565 ARG E 569 0 SHEET 2 J 3 THR E 549 LYS E 553 -1 N LYS E 553 O GLU E 565 SHEET 3 J 3 ASP E 503 LYS E 508 -1 N GLY E 507 O VAL E 550 SSBOND 1 CYS A 104 CYS A 157 1555 1555 2.04 SSBOND 2 CYS B 204 CYS B 257 1555 1555 2.03 SSBOND 3 CYS C 304 CYS C 357 1555 1555 2.04 SSBOND 4 CYS D 404 CYS D 457 1555 1555 2.03 SSBOND 5 CYS E 504 CYS E 557 1555 1555 2.02 CRYST1 54.653 97.373 66.745 90.00 90.00 90.00 P 21 21 21 20 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 0.018297 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010270 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014982 0.00000