HEADER AMINOPEPTIDASE 18-NOV-97 1XGO TITLE METHIONINE AMINOPEPTIDASE FROM HYPERTHERMOPHILE PYROCOCCUS FURIOSUS COMPND MOL_ID: 1; COMPND 2 MOLECULE: METHIONINE AMINOPEPTIDASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.11.18; COMPND 5 OTHER_DETAILS: TWO COBALT IONS IN ACTIVE SITE REMOVED BY THE COMPND 6 REDUCTION OF PH TO 2.6 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PYROCOCCUS FURIOSUS; SOURCE 3 ORGANISM_TAXID: 2261 KEYWDS AMINOPEPTIDASE, HYPERTHERMOPHILE EXPDTA X-RAY DIFFRACTION AUTHOR T.H.TAHIROV,T.TSUKIHARA REVDAT 4 09-AUG-23 1XGO 1 REMARK REVDAT 3 28-SEP-16 1XGO 1 REMARK VERSN REVDAT 2 24-FEB-09 1XGO 1 VERSN REVDAT 1 25-FEB-98 1XGO 0 JRNL AUTH T.H.TAHIROV,H.OKI,T.TSUKIHARA,K.OGASAHARA,K.YUTANI,K.OGATA, JRNL AUTH 2 Y.IZU,S.TSUNASAWA,I.KATO JRNL TITL CRYSTAL STRUCTURE OF METHIONINE AMINOPEPTIDASE FROM JRNL TITL 2 HYPERTHERMOPHILE, PYROCOCCUS FURIOSUS. JRNL REF J.MOL.BIOL. V. 284 101 1998 JRNL REFN ISSN 0022-2836 JRNL PMID 9811545 JRNL DOI 10.1006/JMBI.1998.2146 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.H.TAHIROV,H.OKI,T.TSUKIHARA,K.OGASAHARA,Y.IZU,S.TSUNASAWA, REMARK 1 AUTH 2 I.KATO,K.YUTANI REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY ANALYSIS OF METHIONINE REMARK 1 TITL 2 AMINOPEPTIDASE FROM THE HYPERTHERMOPHILIC BACTERIUM REMARK 1 TITL 3 PYROCOCCUS FURIOSUS REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 53 798 1997 REMARK 1 REFN ISSN 0907-4449 REMARK 2 REMARK 2 RESOLUTION. 3.50 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) : 3.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 80.3 REMARK 3 NUMBER OF REFLECTIONS : 7163 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) : 0.182 REMARK 3 FREE R VALUE : 0.274 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.800 REMARK 3 FREE R VALUE TEST SET COUNT : 788 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.66 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 52.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 516 REMARK 3 BIN R VALUE (WORKING SET) : 0.2210 REMARK 3 BIN FREE R VALUE : 0.2930 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 65 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 : 2312 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.50 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) : 0.34 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) : 0.016 REMARK 3 BOND ANGLES (DEGREES) : 2.270 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.21 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.030 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1XGO 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_1000177262. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : MAY-96 REMARK 200 TEMPERATURE (KELVIN) : 289 REMARK 200 PH : 2.6-4.5 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 : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7571 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.500 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 84.3 REMARK 200 DATA REDUNDANCY : 3.650 REMARK 200 R MERGE (I) : 0.11900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.63 REMARK 200 COMPLETENESS FOR SHELL (%) : 64.9 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.26500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.900 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: MONOCLINIC CRYSTAL FORM, PDB ENTRY 1XGM REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 77.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 5.41 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN SOLUTION CONTAINING 16 MG/ML REMARK 280 PFMAP, 2 MM COCL2 AND 30 MM L-METHIONINE IN 20 MM POTASSIUM REMARK 280 ACETATE AT PH4.5 WAS MIXED WITH EQUAL AMOUNT OF RESERVOIR REMARK 280 SOLUTION CONTAINING 10% PEG6000 AND 2.0 M SODIUM CHLORIDE AT PH REMARK 280 2.6, THEN EQUILIBRATED AGAINST RESERVOIR SOLUTION. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 62 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z REMARK 290 5555 Y,-X+Y,Z+2/3 REMARK 290 6555 X-Y,X,Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 42.60467 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 21.30233 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 42.60467 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 21.30233 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 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 PRO A 172 C - N - CA ANGL. DEV. = 10.5 DEGREES REMARK 500 LEU A 223 CA - CB - CG ANGL. DEV. = 14.0 DEGREES REMARK 500 PRO A 245 C - N - CA ANGL. DEV. = 10.8 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 ASP A 2 54.00 -93.07 REMARK 500 ARG A 17 -70.77 -33.97 REMARK 500 ILE A 21 -76.38 -48.16 REMARK 500 LEU A 23 -20.21 164.39 REMARK 500 LEU A 30 -51.07 -28.60 REMARK 500 LEU A 31 -74.63 -46.23 REMARK 500 ALA A 34 -70.44 -46.21 REMARK 500 ASN A 57 -57.23 61.71 REMARK 500 GLU A 58 14.98 -153.46 REMARK 500 HIS A 62 55.33 78.20 REMARK 500 THR A 70 -79.35 -141.61 REMARK 500 THR A 71 90.95 22.28 REMARK 500 ASP A 88 75.58 28.61 REMARK 500 PHE A 90 96.84 -67.57 REMARK 500 ALA A 92 130.49 -171.58 REMARK 500 MET A 102 -161.89 -117.01 REMARK 500 GLU A 104 96.10 -65.50 REMARK 500 ARG A 123 123.35 -174.29 REMARK 500 LYS A 133 -72.60 -60.97 REMARK 500 ALA A 134 -62.39 -20.45 REMARK 500 VAL A 148 -71.11 -65.94 REMARK 500 LEU A 160 -83.93 -58.99 REMARK 500 ALA A 162 0.15 -60.27 REMARK 500 ILE A 164 100.70 -30.18 REMARK 500 ASN A 168 39.48 -85.77 REMARK 500 PRO A 172 27.49 -60.72 REMARK 500 ASP A 174 46.07 -83.59 REMARK 500 THR A 191 -157.54 -178.55 REMARK 500 ILE A 192 -34.15 -134.32 REMARK 500 ALA A 194 -56.47 63.02 REMARK 500 VAL A 209 -28.07 -147.51 REMARK 500 ALA A 217 -101.07 -24.01 REMARK 500 GLN A 218 -1.73 -55.28 REMARK 500 ARG A 228 -77.23 -38.68 REMARK 500 GLN A 241 -9.63 -46.07 REMARK 500 PRO A 245 39.09 -57.53 REMARK 500 GLU A 246 -99.63 61.70 REMARK 500 ALA A 252 -85.66 -44.61 REMARK 500 GLU A 257 -70.78 -51.94 REMARK 500 PRO A 266 -123.16 -74.33 REMARK 500 GLU A 270 102.53 -52.04 REMARK 500 ILE A 271 -40.84 -20.18 REMARK 500 ASN A 273 12.06 57.93 REMARK 500 VAL A 276 80.60 -64.79 REMARK 500 GLU A 286 -55.58 -136.01 REMARK 500 LYS A 287 -123.71 -171.17 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 TYR A 78 0.07 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: SIDE CHAINS OF FIVE AMINO ACID RESIDUES ASP 82, REMARK 800 ASP 93, HIS 153, GLU 187, AND GLU 280, FORM A SITE FOR BINDING REMARK 800 OF TWO COBALT IONS. DBREF 1XGO A 1 295 UNP P56218 AMPM_PYRFU 1 295 SEQRES 1 A 295 MET ASP THR GLU LYS LEU MET LYS ALA GLY GLU ILE ALA SEQRES 2 A 295 LYS LYS VAL ARG GLU LYS ALA ILE LYS LEU ALA ARG PRO SEQRES 3 A 295 GLY MET LEU LEU LEU GLU LEU ALA GLU SER ILE GLU LYS SEQRES 4 A 295 MET ILE MET GLU LEU GLY GLY LYS PRO ALA PHE PRO VAL SEQRES 5 A 295 ASN LEU SER ILE ASN GLU ILE ALA ALA HIS TYR THR PRO SEQRES 6 A 295 TYR LYS GLY ASP THR THR VAL LEU LYS GLU GLY ASP TYR SEQRES 7 A 295 LEU LYS ILE ASP VAL GLY VAL HIS ILE ASP GLY PHE ILE SEQRES 8 A 295 ALA ASP THR ALA VAL THR VAL ARG VAL GLY MET GLU GLU SEQRES 9 A 295 ASP GLU LEU MET GLU ALA ALA LYS GLU ALA LEU ASN ALA SEQRES 10 A 295 ALA ILE SER VAL ALA ARG ALA GLY VAL GLU ILE LYS GLU SEQRES 11 A 295 LEU GLY LYS ALA ILE GLU ASN GLU ILE ARG LYS ARG GLY SEQRES 12 A 295 PHE LYS PRO ILE VAL ASN LEU SER GLY HIS LYS ILE GLU SEQRES 13 A 295 ARG TYR LYS LEU HIS ALA GLY ILE SER ILE PRO ASN ILE SEQRES 14 A 295 TYR ARG PRO HIS ASP ASN TYR VAL LEU LYS GLU GLY ASP SEQRES 15 A 295 VAL PHE ALA ILE GLU PRO PHE ALA THR ILE GLY ALA GLY SEQRES 16 A 295 GLN VAL ILE GLU VAL PRO PRO THR LEU ILE TYR MET TYR SEQRES 17 A 295 VAL ARG ASP VAL PRO VAL ARG VAL ALA GLN ALA ARG PHE SEQRES 18 A 295 LEU LEU ALA LYS ILE LYS ARG GLU TYR GLY THR LEU PRO SEQRES 19 A 295 PHE ALA TYR ARG TRP LEU GLN ASN ASP MET PRO GLU GLY SEQRES 20 A 295 GLN LEU LYS LEU ALA LEU LYS THR LEU GLU LYS ALA GLY SEQRES 21 A 295 ALA ILE TYR GLY TYR PRO VAL LEU LYS GLU ILE ARG ASN SEQRES 22 A 295 GLY ILE VAL ALA GLN PHE GLU HIS THR ILE ILE VAL GLU SEQRES 23 A 295 LYS ASP SER VAL ILE VAL THR THR GLU HELIX 1 1 THR A 3 ILE A 21 1 19 HELIX 2 2 LEU A 30 LEU A 44 1 15 HELIX 3 3 GLU A 106 VAL A 121 1 16 HELIX 4 4 ILE A 128 LYS A 141 1 14 HELIX 5 5 ALA A 217 TYR A 230 1 14 HELIX 6 6 TYR A 237 LEU A 240 1 4 HELIX 7 7 GLU A 246 ALA A 259 5 14 SHEET 1 A 2 TYR A 78 GLY A 84 0 SHEET 2 A 2 ASP A 93 ARG A 99 -1 N VAL A 98 O LEU A 79 SHEET 1 B 3 VAL A 183 ALA A 190 0 SHEET 2 B 3 ALA A 277 VAL A 285 -1 N ILE A 283 O PHE A 184 SHEET 3 B 3 VAL A 290 VAL A 292 -1 N ILE A 291 O ILE A 284 SHEET 1 C 2 VAL A 197 VAL A 200 0 SHEET 2 C 2 VAL A 267 GLU A 270 -1 N LYS A 269 O ILE A 198 SHEET 1 D 3 PRO A 234 ALA A 236 0 SHEET 2 D 3 ILE A 205 TYR A 208 -1 N TYR A 206 O PHE A 235 SHEET 3 D 3 ILE A 262 TYR A 265 -1 N TYR A 265 O ILE A 205 CISPEP 1 PRO A 201 PRO A 202 0 0.13 SITE 1 AC 5 ASP A 82 ASP A 93 HIS A 153 GLU A 187 SITE 2 AC 5 GLU A 280 CRYST1 138.916 138.916 63.907 90.00 90.00 120.00 P 62 6 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 0.007199 0.004156 0.000000 0.00000 SCALE2 0.000000 0.008312 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015648 0.00000