PDB Short entry for 1BHS HEADER OXIDOREDUCTASE 19-APR-95 1BHS TITLE HUMAN ESTROGENIC 17BETA-HYDROXYSTEROID DEHYDROGENASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: 17BETA-HYDROXYSTEROID DEHYDROGENASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TYPE I 17BETA-HYDROXYSTEROID DEHYDROGENASE; COMPND 5 EC: 1.1.1.62 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606 KEYWDS SHORT-CHAIN DEHYDROGENASE, STEROID DEHYDROGENASE, ESTROGEN, HUMAN KEYWDS 2 TYPE I 17BETA-HSD, HUMAN PLACENTAL 17BETA-HSD, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR D.GHOSH REVDAT 4 07-FEB-24 1BHS 1 REMARK REVDAT 3 13-JUL-11 1BHS 1 VERSN REVDAT 2 24-FEB-09 1BHS 1 VERSN REVDAT 1 07-DEC-96 1BHS 0 JRNL AUTH D.GHOSH,V.Z.PLETNEV,D.W.ZHU,Z.WAWRZAK,W.L.DUAX,W.PANGBORN, JRNL AUTH 2 F.LABRIE,S.X.LIN JRNL TITL STRUCTURE OF HUMAN ESTROGENIC 17 BETA-HYDROXYSTEROID JRNL TITL 2 DEHYDROGENASE AT 2.20 A RESOLUTION. JRNL REF STRUCTURE V. 3 503 1995 JRNL REFN ISSN 0969-2126 JRNL PMID 7663947 JRNL DOI 10.1016/S0969-2126(01)00183-6 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.W.ZHU,X.LEE,R.BRETON,D.GHOSH,W.PANGBORN,W.L.DAUX,S.X.LIN REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY DIFFRACTION ANALYSIS REMARK 1 TITL 2 OF THE COMPLEX OF HUMAN PLACENTAL 17 BETA-HYDROXYSTEROID REMARK 1 TITL 3 DEHYDROGENASE WITH NADP+ REMARK 1 REF J.MOL.BIOL. V. 234 242 1993 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 13474 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.229 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : 2177 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 49 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 39.00 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) : 0.20 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 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: REMARK 3 THE REGION 192 - 200 IS VERY POORLY DEFINED IN THE ELECTRON REMARK 3 DENSITY MAPS AND WAS MODELED STEREOCHEMICALLY. REMARK 4 REMARK 4 1BHS 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_1000171773. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-NOV-93 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL 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 RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : RIGAKU REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14079 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 81.0 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : 0.06400 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.41 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 61.78000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.52500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 61.78000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 22.52500 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: 5200 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22670 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -41.0 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 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 GLY A 285 REMARK 465 ASP A 286 REMARK 465 VAL A 287 REMARK 465 PRO A 288 REMARK 465 ALA A 289 REMARK 465 LYS A 290 REMARK 465 ALA A 291 REMARK 465 GLU A 292 REMARK 465 ALA A 293 REMARK 465 GLY A 294 REMARK 465 ALA A 295 REMARK 465 GLU A 296 REMARK 465 ALA A 297 REMARK 465 GLY A 298 REMARK 465 GLY A 299 REMARK 465 GLY A 300 REMARK 465 ALA A 301 REMARK 465 GLY A 302 REMARK 465 PRO A 303 REMARK 465 GLY A 304 REMARK 465 ALA A 305 REMARK 465 GLU A 306 REMARK 465 ASP A 307 REMARK 465 GLU A 308 REMARK 465 ALA A 309 REMARK 465 GLY A 310 REMARK 465 ARG A 311 REMARK 465 SER A 312 REMARK 465 ALA A 313 REMARK 465 VAL A 314 REMARK 465 GLY A 315 REMARK 465 ASP A 316 REMARK 465 PRO A 317 REMARK 465 GLU A 318 REMARK 465 LEU A 319 REMARK 465 GLY A 320 REMARK 465 ASP A 321 REMARK 465 PRO A 322 REMARK 465 PRO A 323 REMARK 465 ALA A 324 REMARK 465 ALA A 325 REMARK 465 PRO A 326 REMARK 465 GLN A 327 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 PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 LEU A 36 CA - CB - CG ANGL. DEV. = 14.0 DEGREES REMARK 500 LEU A 45 CA - CB - CG ANGL. DEV. = 16.5 DEGREES 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 12 -179.72 -174.62 REMARK 500 VAL A 115 -62.79 -92.78 REMARK 500 HIS A 189 94.44 -61.04 REMARK 500 ALA A 191 -115.83 -23.83 REMARK 500 PHE A 192 -62.51 -2.44 REMARK 500 VAL A 196 94.34 -62.44 REMARK 500 SER A 199 68.08 74.18 REMARK 500 GLU A 202 -38.64 -38.52 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 2 0.16 SIDE CHAIN 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: THE TYR-LYS-SER CATALYTIC TRIAD. DBREF 1BHS A 1 327 UNP P14061 DHB1_HUMAN 1 327 SEQRES 1 A 327 ALA ARG THR VAL VAL LEU ILE THR GLY CYS SER SER GLY SEQRES 2 A 327 ILE GLY LEU HIS LEU ALA VAL ARG LEU ALA SER ASP PRO SEQRES 3 A 327 SER GLN SER PHE LYS VAL TYR ALA THR LEU ARG ASP LEU SEQRES 4 A 327 LYS THR GLN GLY ARG LEU TRP GLU ALA ALA ARG ALA LEU SEQRES 5 A 327 ALA CYS PRO PRO GLY SER LEU GLU THR LEU GLN LEU ASP SEQRES 6 A 327 VAL ARG ASP SER LYS SER VAL ALA ALA ALA ARG GLU ARG SEQRES 7 A 327 VAL THR GLU GLY ARG VAL ASP VAL LEU VAL CYS ASN ALA SEQRES 8 A 327 GLY LEU GLY LEU LEU GLY PRO LEU GLU ALA LEU GLY GLU SEQRES 9 A 327 ASP ALA VAL ALA SER VAL LEU ASP VAL ASN VAL VAL GLY SEQRES 10 A 327 THR VAL ARG MET LEU GLN ALA PHE LEU PRO ASP MET LYS SEQRES 11 A 327 ARG ARG GLY SER GLY ARG VAL LEU VAL THR GLY SER VAL SEQRES 12 A 327 GLY GLY LEU MET GLY LEU PRO PHE ASN ASP VAL TYR CYS SEQRES 13 A 327 ALA SER LYS PHE ALA LEU GLU GLY LEU CYS GLU SER LEU SEQRES 14 A 327 ALA VAL LEU LEU LEU PRO PHE GLY VAL HIS LEU SER LEU SEQRES 15 A 327 ILE GLU CYS GLY PRO VAL HIS THR ALA PHE MET GLU LYS SEQRES 16 A 327 VAL LEU GLY SER PRO GLU GLU VAL LEU ASP ARG THR ASP SEQRES 17 A 327 ILE HIS THR PHE HIS ARG PHE TYR GLN TYR LEU ALA HIS SEQRES 18 A 327 SER LYS GLN VAL PHE ARG GLU ALA ALA GLN ASN PRO GLU SEQRES 19 A 327 GLU VAL ALA GLU VAL PHE LEU THR ALA LEU ARG ALA PRO SEQRES 20 A 327 LYS PRO THR LEU ARG TYR PHE THR THR GLU ARG PHE LEU SEQRES 21 A 327 PRO LEU LEU ARG MET ARG LEU ASP ASP PRO SER GLY SER SEQRES 22 A 327 ASN TYR VAL THR ALA MET HIS ARG GLU VAL PHE GLY ASP SEQRES 23 A 327 VAL PRO ALA LYS ALA GLU ALA GLY ALA GLU ALA GLY GLY SEQRES 24 A 327 GLY ALA GLY PRO GLY ALA GLU ASP GLU ALA GLY ARG SER SEQRES 25 A 327 ALA VAL GLY ASP PRO GLU LEU GLY ASP PRO PRO ALA ALA SEQRES 26 A 327 PRO GLN FORMUL 2 HOH *49(H2 O) HELIX 1 1 GLY A 13 ALA A 23 1 11 HELIX 2 2 LEU A 39 THR A 41 5 3 HELIX 3 3 GLY A 43 ALA A 51 1 9 HELIX 4 4 SER A 69 ARG A 78 1 10 HELIX 5 5 LEU A 99 ALA A 101 5 3 HELIX 6 6 GLU A 104 ASN A 114 1 11 HELIX 7 7 VAL A 116 ARG A 132 1 17 HELIX 8 8 VAL A 143 GLY A 145 5 3 HELIX 9 9 ASP A 153 PHE A 176 1 24 HELIX 10 10 ALA A 191 GLU A 194 1 4 HELIX 11 11 GLU A 201 ARG A 206 1 6 HELIX 12 12 ILE A 209 ALA A 229 1 21 HELIX 13 13 PRO A 233 ARG A 245 1 13 HELIX 14 14 LEU A 260 ASP A 268 1 9 HELIX 15 15 SER A 273 GLU A 282 1 10 SHEET 1 A 7 ARG A 252 PHE A 254 0 SHEET 2 A 7 VAL A 178 GLU A 184 1 N LEU A 182 O TYR A 253 SHEET 3 A 7 GLY A 135 THR A 140 1 N GLY A 135 O HIS A 179 SHEET 4 A 7 VAL A 86 CYS A 89 1 N LEU A 87 O ARG A 136 SHEET 5 A 7 THR A 3 ILE A 7 1 N LEU A 6 O VAL A 86 SHEET 6 A 7 PHE A 30 LEU A 36 1 N LYS A 31 O THR A 3 SHEET 7 A 7 LEU A 59 GLN A 63 1 N GLU A 60 O VAL A 32 SITE 1 CAT 3 TYR A 155 LYS A 159 SER A 142 CRYST1 123.560 45.050 61.330 90.00 99.02 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 0.008093 0.000000 0.001285 0.00000 SCALE2 0.000000 0.022198 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016509 0.00000