HEADER TRANSFERASE 14-JUL-03 1PZT TITLE CRYSTAL STRUCTURE OF W314A-BETA-1,4-GALACTOSYLTRANSFERASE (B4GAL-T1) TITLE 2 CATALYTIC DOMAIN WITHOUT SUBSTRATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-1,4-GALACTOSYLTRANSFERASE 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN, RESIDUES 130-402; COMPND 5 SYNONYM: BETA-1,4-GALTASE 1, BETA4GAL-T1, B4GAL-T1, UDP- COMPND 6 GALACTOSE:BETA-N-ACETYLGLUCOSAMINE BETA-1,4-GALACTOSYLTRANSFERASE 1, COMPND 7 UDP-GAL:BETA-GLCNAC BETA-1,4-GALACTOSYLTRANSFERASE 1; COMPND 8 EC: 2.4.1.90; COMPND 9 ENGINEERED: YES; COMPND 10 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 GENE: B4GALT1, GGTB2 OR GALT; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET23A KEYWDS BETA1, 4-GALACTOSYLTRANSFERASE-I TRYPTOPHAN MUTANT, FLEXIBLE LOOP KEYWDS 2 CONFORMATION, PROTEASE DIGESTION, SUBSTRATE BINDING, CATALYTIC KEYWDS 3 MECHANISM, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR V.RAMASAMY,B.RAMAKRISHNAN,E.BOEGGEMAN,P.K.QASBA REVDAT 4 16-AUG-23 1PZT 1 REMARK REVDAT 3 27-OCT-21 1PZT 1 REMARK SEQADV REVDAT 2 24-FEB-09 1PZT 1 VERSN REVDAT 1 16-SEP-03 1PZT 0 JRNL AUTH V.RAMASAMY,B.RAMAKRISHNAN,E.BOEGGEMAN,P.K.QASBA JRNL TITL THE ROLE OF TRYPTOPHAN 314 IN THE CONFORMATIONAL CHANGES OF JRNL TITL 2 BETA1,4-GALACTOSYLTRANSFERASE-I JRNL REF J.MOL.BIOL. V. 331 1065 2003 JRNL REFN ISSN 0022-2836 JRNL PMID 12927542 JRNL DOI 10.1016/S0022-2836(03)00790-3 REMARK 2 REMARK 2 RESOLUTION. 1.92 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.92 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.89 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1382688.290 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.1 REMARK 3 NUMBER OF REFLECTIONS : 19918 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) : 0.189 REMARK 3 FREE R VALUE : 0.231 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1964 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 92.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2021 REMARK 3 BIN R VALUE (WORKING SET) : 0.2530 REMARK 3 BIN FREE R VALUE : 0.2970 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 238 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.019 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2182 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 171 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.05000 REMARK 3 B22 (A**2) : -2.27000 REMARK 3 B33 (A**2) : 0.22000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.25000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.17 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) : 0.25 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.20 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.960 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) : 1.270 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.920 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.040 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.830 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.42 REMARK 3 BSOL : 79.08 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 : SO4.PARAM 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 : SO4.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1PZT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-JUL-03. REMARK 100 THE DEPOSITION ID IS D_1000019737. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-JAN-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X9B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19920 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 200 DATA REDUNDANCY : 2.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08700 REMARK 200 FOR THE DATA SET : 11.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.70 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.41000 REMARK 200 FOR SHELL : 2.200 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: PDB ENTRY 1O0R REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG 4000, 0.1M LITHIUM SULFATE, REMARK 280 0.1M TRIS, PH 8.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 298.0K 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 46.09950 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 19.65050 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 46.09950 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 19.65050 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: MONOMERIC 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 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 ALA A 117 REMARK 465 SER A 118 REMARK 465 MET A 119 REMARK 465 THR A 120 REMARK 465 GLY A 121 REMARK 465 GLY A 122 REMARK 465 GLN A 123 REMARK 465 GLN A 124 REMARK 465 MET A 125 REMARK 465 GLY A 126 REMARK 465 ARG A 127 REMARK 465 GLY A 128 REMARK 465 SER A 129 REMARK 465 SER A 130 REMARK 465 LEU A 131 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 ALA A 314 CB REMARK 470 HIS A 347 CB CG ND1 CD2 CE1 NE2 REMARK 470 SER A 348 CB OG REMARK 470 ARG A 349 CB CG CD NE CZ NH1 NH2 REMARK 470 ASP A 350 CB CG OD1 OD2 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 ASN A 150 33.54 -94.85 REMARK 500 ARG A 189 114.02 -164.90 REMARK 500 ASP A 350 100.95 -57.51 REMARK 500 ARG A 362 31.02 -150.41 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 403 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FGX RELATED DB: PDB REMARK 900 WILD TYPE PROTEIN WITHOUT ANY SUBSTRATE - OPEN CONFORMATION REMARK 900 RELATED ID: 1O0R RELATED DB: PDB REMARK 900 C342T MUTANT COMPLEXED WITH UDP-GALACTOSE AND MANGANESE - CLOSED REMARK 900 CONFORMATION DBREF 1PZT A 130 402 UNP P08037 B4GT1_BOVIN 57 329 SEQADV 1PZT ALA A 117 UNP P08037 CLONING ARTIFACT SEQADV 1PZT SER A 118 UNP P08037 CLONING ARTIFACT SEQADV 1PZT MET A 119 UNP P08037 CLONING ARTIFACT SEQADV 1PZT THR A 120 UNP P08037 CLONING ARTIFACT SEQADV 1PZT GLY A 121 UNP P08037 CLONING ARTIFACT SEQADV 1PZT GLY A 122 UNP P08037 CLONING ARTIFACT SEQADV 1PZT GLN A 123 UNP P08037 CLONING ARTIFACT SEQADV 1PZT GLN A 124 UNP P08037 CLONING ARTIFACT SEQADV 1PZT MET A 125 UNP P08037 CLONING ARTIFACT SEQADV 1PZT GLY A 126 UNP P08037 CLONING ARTIFACT SEQADV 1PZT ARG A 127 UNP P08037 CLONING ARTIFACT SEQADV 1PZT GLY A 128 UNP P08037 CLONING ARTIFACT SEQADV 1PZT SER A 129 UNP P08037 CLONING ARTIFACT SEQADV 1PZT ALA A 314 UNP P08037 TRP 241 ENGINEERED MUTATION SEQADV 1PZT THR A 342 UNP P08037 CYS 269 ENGINEERED MUTATION SEQRES 1 A 286 ALA SER MET THR GLY GLY GLN GLN MET GLY ARG GLY SER SEQRES 2 A 286 SER LEU THR ALA CYS PRO GLU GLU SER PRO LEU LEU VAL SEQRES 3 A 286 GLY PRO MET LEU ILE GLU PHE ASN ILE PRO VAL ASP LEU SEQRES 4 A 286 LYS LEU VAL GLU GLN GLN ASN PRO LYS VAL LYS LEU GLY SEQRES 5 A 286 GLY ARG TYR THR PRO MET ASP CYS ILE SER PRO HIS LYS SEQRES 6 A 286 VAL ALA ILE ILE ILE PRO PHE ARG ASN ARG GLN GLU HIS SEQRES 7 A 286 LEU LYS TYR TRP LEU TYR TYR LEU HIS PRO ILE LEU GLN SEQRES 8 A 286 ARG GLN GLN LEU ASP TYR GLY ILE TYR VAL ILE ASN GLN SEQRES 9 A 286 ALA GLY GLU SER MET PHE ASN ARG ALA LYS LEU LEU ASN SEQRES 10 A 286 VAL GLY PHE LYS GLU ALA LEU LYS ASP TYR ASP TYR ASN SEQRES 11 A 286 CYS PHE VAL PHE SER ASP VAL ASP LEU ILE PRO MET ASN SEQRES 12 A 286 ASP HIS ASN THR TYR ARG CYS PHE SER GLN PRO ARG HIS SEQRES 13 A 286 ILE SER VAL ALA MET ASP LYS PHE GLY PHE SER LEU PRO SEQRES 14 A 286 TYR VAL GLN TYR PHE GLY GLY VAL SER ALA LEU SER LYS SEQRES 15 A 286 GLN GLN PHE LEU SER ILE ASN GLY PHE PRO ASN ASN TYR SEQRES 16 A 286 TRP GLY ALA GLY GLY GLU ASP ASP ASP ILE TYR ASN ARG SEQRES 17 A 286 LEU ALA PHE ARG GLY MET SER VAL SER ARG PRO ASN ALA SEQRES 18 A 286 VAL ILE GLY LYS THR ARG MET ILE ARG HIS SER ARG ASP SEQRES 19 A 286 LYS LYS ASN GLU PRO ASN PRO GLN ARG PHE ASP ARG ILE SEQRES 20 A 286 ALA HIS THR LYS GLU THR MET LEU SER ASP GLY LEU ASN SEQRES 21 A 286 SER LEU THR TYR MET VAL LEU GLU VAL GLN ARG TYR PRO SEQRES 22 A 286 LEU TYR THR LYS ILE THR VAL ASP ILE GLY THR PRO SER HET SO4 A 403 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 O4 S 2- FORMUL 3 HOH *171(H2 O) HELIX 1 1 ASP A 154 ASN A 162 1 9 HELIX 2 2 ARG A 191 GLN A 209 1 19 HELIX 3 3 ASN A 227 TYR A 243 1 17 HELIX 4 4 LYS A 279 GLY A 281 5 3 HELIX 5 5 LYS A 298 ILE A 304 1 7 HELIX 6 6 GLY A 316 ARG A 328 1 13 HELIX 7 7 ARG A 362 MET A 370 1 9 HELIX 8 8 GLY A 374 LEU A 378 5 5 SHEET 1 A 6 ARG A 170 TYR A 171 0 SHEET 2 A 6 ASP A 212 GLN A 220 -1 O TYR A 213 N TYR A 171 SHEET 3 A 6 LYS A 181 PHE A 188 1 N ILE A 186 O TYR A 216 SHEET 4 A 6 CYS A 247 SER A 251 1 O VAL A 249 N ILE A 185 SHEET 5 A 6 VAL A 293 SER A 297 -1 O LEU A 296 N PHE A 248 SHEET 6 A 6 ARG A 271 HIS A 272 -1 N ARG A 271 O ALA A 295 SHEET 1 B 4 ARG A 170 TYR A 171 0 SHEET 2 B 4 ASP A 212 GLN A 220 -1 O TYR A 213 N TYR A 171 SHEET 3 B 4 THR A 392 ASP A 397 1 O THR A 392 N VAL A 217 SHEET 4 B 4 MET A 381 ARG A 387 -1 N GLN A 386 O LYS A 393 SHEET 1 C 3 LEU A 255 PRO A 257 0 SHEET 2 C 3 LYS A 341 MET A 344 -1 O ARG A 343 N ILE A 256 SHEET 3 C 3 ALA A 276 MET A 277 1 N ALA A 276 O THR A 342 SSBOND 1 CYS A 134 CYS A 176 1555 1555 2.04 SSBOND 2 CYS A 247 CYS A 266 1555 1555 2.03 SITE 1 AC1 3 ARG A 265 PHE A 267 SER A 268 CRYST1 92.199 39.301 78.539 90.00 108.07 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 0.010846 0.000000 0.003539 0.00000 SCALE2 0.000000 0.025445 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013393 0.00000