HEADER SERPIN 16-DEC-96 1CT3 OBSLTE 25-FEB-98 1CT3 4CAA TITLE CLEAVED ANTICHYMOTRYPSIN T345R COMPND MOL_ID: 1; COMPND 2 MOLECULE: CLEAVED ANTICHYMOTRYPSIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CHAIN A CONTAINS RESIDUES 20 - 358, CHAIN B COMPND 5 CONTAINS RESIDUES 359 - 393; COMPND 6 SYNONYM: ACT; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: CLEAVED ANTICHYMOTRYPSIN; COMPND 11 CHAIN: B; COMPND 12 FRAGMENT: CHAIN A CONTAINS RESIDUES 20 - 358, CHAIN B COMPND 13 CONTAINS RESIDUES 359 - 393; COMPND 14 SYNONYM: ACT; COMPND 15 ENGINEERED: YES; COMPND 16 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_PLASMID: PZMS; SOURCE 6 EXPRESSION_SYSTEM_GENE: ACT; SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 9 ORGANISM_COMMON: HUMAN; SOURCE 10 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PZMS; SOURCE 12 EXPRESSION_SYSTEM_GENE: ACT KEYWDS SERPIN, ANTICHYMOTRYPSIN, SERINE PROTEASE INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR C.M.LUKACS,J.Q.ZHONG,M.I.PLOTNICK,H.RUBIN,B.S.COOPERMAN, AUTHOR 2 D.W.CHRISTIANSON REVDAT 1 12-MAR-97 1CT3 0 JRNL AUTH C.M.LUKACS,J.Q.ZHONG,M.I.PLOTNICK,H.RUBIN, JRNL AUTH 2 B.S.COOPERMAN,D.W.CHRISTIANSON JRNL TITL ARGININE SUBSTITUTIONS IN THE HINGE REGION OF JRNL TITL 2 ANTICHYMOTRYPSIN AFFECT SERPIN BETA-SHEET JRNL TITL 3 REARRANGEMENT JRNL REF NAT.STRUCT.BIOL. V. 3 888 1996 JRNL REFN ASTM NSBIEW US ISSN 1072-8368 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 3.10 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) : 3.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.0 REMARK 3 NUMBER OF REFLECTIONS : 8194 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 : 0.277 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 492 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.013 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) : 3.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.23 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 78.23 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 801 REMARK 3 BIN R VALUE (WORKING SET) : 0.2600 REMARK 3 BIN FREE R VALUE : 0.3800 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.28 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 58 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.050 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2934 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) : 35.00 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) : 0.30 REMARK 3 ESD FROM SIGMAA (A) : 0.39 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) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.04 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.41 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.94 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 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CT3 COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 6 REMARK 6 THREE LOOPS WERE ASSIGNED OCCUPANCIES OF ZERO BECAUSE OF REMARK 6 VERY POOR ELECTRON DENSITY. THESE LOOPS ARE L84 - E86, REMARK 6 Q105 - E109, AND D378 - Q380. LOOPS T85 - S88 AND T377 - REMARK 6 Q380 ARE VISIBLE IN 2.4 A STRUCTURE OF THE SAME VARIANT REMARK 6 WHICH WILL BE DEPOSITED IN THE NEAR FUTURE. ALL THREE REMARK 6 LOOPS LIE RELATIVELY NEAR EACH OTHER IN THREE-DIMENSIONAL REMARK 6 SPACE. REMARK 7 REMARK 7 RESIDUE 345 IS MUTATION OF THR->ARG. THERE IS AN UNUSUAL REMARK 7 TWIST TO THE BETA SHEET IN THIS AREA TO KEEP THE ARG REMARK 7 SOLVENT EXPOSED. THIS RESIDUE IS MORE VISIBLE IN HIGHER REMARK 7 RESOLUTION STRUCTURE WHICH WILL BE DEPOSITED SHORTLY. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : APR-1996 REMARK 200 TEMPERATURE (KELVIN) : 298.0 REMARK 200 PH : 6.00 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200B REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : R-AXIS II REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9220 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.100 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 200 DATA REDUNDANCY : 2.700 REMARK 200 R MERGE (I) : 0.07100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.20 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.30 REMARK 200 R MERGE FOR SHELL (I) : 0.35000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: CLEAVED ACT-P3P3' LESS STRAND S4A REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.0 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 1/2-X,-Y,1/2+Z REMARK 290 3555 -X,1/2+Y,1/2-Z REMARK 290 4555 1/2+X,1/2-Y,-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 36.47500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 41.55000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 41.15000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 41.55000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 36.47500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 41.15000 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 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 2 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE 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 APPLY THE FOLLOWING TO CHAINS: A, B 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 THR A 20 REMARK 465 HIS A 21 REMARK 465 VAL A 22 REMARK 465 ASP A 23 REMARK 465 LEU A 24 REMARK 465 GLU A 25 REMARK 465 LEU A 26 REMARK 465 ALA A 27 REMARK 465 VAL B 358 REMARK 465 GLU B 359 REMARK 465 THR B 360 REMARK 465 ALA B 394 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),F6.3) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 MET A 221 CG MET A 221 SD -0.028 REMARK 500 ILE B 363 C VAL B 364 N -0.032 REMARK 500 MET B 385 CG MET B 385 SD -0.029 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: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 PRO A 46 N - CA - C ANGL. DEV. = 6.8 DEGREES REMARK 500 GLY A 167 N - CA - C ANGL. DEV. = 7.0 DEGREES REMARK 500 TRP A 194 N - CA - C ANGL. DEV. = -6.7 DEGREES REMARK 500 LEU A 223 N - CA - C ANGL. DEV. = -6.7 DEGREES REMARK 500 THR A 226A N - CA - C ANGL. DEV. = -9.7 DEGREES REMARK 500 LYS A 290 N - CA - C ANGL. DEV. = -8.0 DEGREES REMARK 500 ASN A 298 N - CA - C ANGL. DEV. = -9.7 DEGREES REMARK 500 LEU A 299 N - CA - C ANGL. DEV. = 7.3 DEGREES REMARK 500 GLU A 309 N - CA - C ANGL. DEV. = 7.0 DEGREES REMARK 500 LYS B 387 N - CA - C ANGL. DEV. = -6.7 DEGREES 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 M RES CSSEQI PSI PHI REMARK 500 ARG A 345 -121.43 89.37 REMARK 999 REMARK 999 SEQUENCE REMARK 999 1CT3 A SWS P01011 1 - 50 NOT IN ATOMS LIST REMARK 999 1CT3 A SWS P01011 384 - 423 NOT IN ATOMS LIST REMARK 999 1CT3 B SWS P01011 1 - 389 NOT IN ATOMS LIST REMARK 999 1CT3 B SWS P01011 423 - 423 NOT IN ATOMS LIST REMARK 999 REMARK 999 RESIDUE NUMBERING IS SIMILAR TO THAT OF PDB ENTRY 2ACH, REMARK 999 EXCEPT THAT CHAIN B DOES NOT HAVE THE EXTRA 100 ADDED TO REMARK 999 THE RESIDUE NUMBER. DBREF 1CT3 A 28 358 UNP P01011 AACT_HUMAN 51 383 DBREF 1CT3 B 361 393 UNP P01011 AACT_HUMAN 390 422 SEQADV 1CT3 ARG A 345 UNP P01011 THR 370 ENGINEERED SEQRES 1 A 341 THR HIS VAL ASP LEU GLU LEU ALA SER ALA ASN VAL ASP SEQRES 2 A 341 PHE ALA PHE SER LEU TYR LYS GLN LEU VAL LEU LYS ALA SEQRES 3 A 341 PRO ASP LYS ASN VAL ILE PHE SER PRO LEU SER ILE SER SEQRES 4 A 341 THR ALA LEU ALA PHE LEU SER LEU GLY ALA HIS ASN THR SEQRES 5 A 341 THR LEU THR GLU ILE LEU LYS GLY LEU LYS PHE ASN LEU SEQRES 6 A 341 THR GLU THR SER GLU ALA GLU ILE HIS GLN SER PHE GLN SEQRES 7 A 341 HIS LEU LEU ARG THR LEU ASN GLN SER SER ASP GLU LEU SEQRES 8 A 341 GLN LEU SER MET GLY ASN ALA MET PHE VAL LYS GLU GLN SEQRES 9 A 341 LEU SER LEU LEU ASP ARG PHE THR GLU ASP ALA LYS ARG SEQRES 10 A 341 LEU TYR GLY SER GLU ALA PHE ALA THR ASP PHE GLN ASP SEQRES 11 A 341 SER ALA ALA ALA LYS LYS LEU ILE ASN ASP TYR VAL LYS SEQRES 12 A 341 ASN GLY THR ARG GLY LYS ILE THR ASP LEU ILE LYS ASP SEQRES 13 A 341 LEU ASP SER GLN THR MET MET VAL LEU VAL ASN TYR ILE SEQRES 14 A 341 PHE PHE LYS ALA LYS TRP GLU MET PRO PHE ASP PRO GLN SEQRES 15 A 341 ASP THR HIS GLN SER ARG PHE TYR LEU SER LYS LYS LYS SEQRES 16 A 341 TRP VAL MET VAL PRO MET MET SER LEU HIS HIS LEU THR SEQRES 17 A 341 ILE PRO TYR PHE ARG ASP GLU GLU LEU SER CYS THR VAL SEQRES 18 A 341 VAL GLU LEU LYS TYR THR GLY ASN ALA SER ALA LEU PHE SEQRES 19 A 341 ILE LEU PRO ASP GLN ASP LYS MET GLU GLU VAL GLU ALA SEQRES 20 A 341 MET LEU LEU PRO GLU THR LEU LYS ARG TRP ARG ASP SER SEQRES 21 A 341 LEU GLU PHE ARG GLU ILE GLY GLU LEU TYR LEU PRO LYS SEQRES 22 A 341 PHE SER ILE SER ARG ASP TYR ASN LEU ASN ASP ILE LEU SEQRES 23 A 341 LEU GLN LEU GLY ILE GLU GLU ALA PHE THR SER LYS ALA SEQRES 24 A 341 ASP LEU SER GLY ILE THR GLY ALA ARG ASN LEU ALA VAL SEQRES 25 A 341 SER GLN VAL VAL HIS LYS ALA VAL LEU ASP VAL PHE GLU SEQRES 26 A 341 GLU GLY ARG GLU ALA SER ALA ALA THR ALA VAL LYS ILE SEQRES 27 A 341 THR LEU LEU SEQRES 1 B 37 VAL GLU THR ARG THR ILE VAL ARG PHE ASN ARG PRO PHE SEQRES 2 B 37 LEU MET ILE ILE VAL PRO THR ASP THR GLN ASN ILE PHE SEQRES 3 B 37 PHE MET SER LYS VAL THR ASN PRO LYS GLN ALA HELIX 1 1 ALA A 29 LYS A 44 1 16 HELIX 2 2 PRO A 54 LEU A 66 1 13 HELIX 3 3 ASN A 70 GLY A 79 1 10 HELIX 4 4 GLU A 89 LEU A 103 1 15 HELIX 5 5 ASP A 128 TYR A 138 1 11 HELIX 6 6 PHE A 147 GLY A 164 5 18 HELIX 7 7 PRO A 200 ASP A 202 5 3 HELIX 8 8 MET A 260 ALA A 265 1 6 HELIX 9 9 PRO A 269 SER A 278 1 10 HELIX 10 10 ASN A 300 LEU A 306 1 7 HELIX 11 11 SER A 319 THR A 322 1 4 SHEET 1 A 7 VAL A 50 PHE A 52 0 SHEET 2 A 7 PHE B 384 VAL B 388 -1 N LYS B 387 O VAL A 50 SHEET 3 A 7 PHE B 370 PRO B 376 -1 N ILE B 374 O PHE B 384 SHEET 4 A 7 ALA A 248 PRO A 255 -1 N ILE A 253 O LEU B 371 SHEET 5 A 7 CYS A 237 LYS A 243 -1 N LEU A 242 O ALA A 250 SHEET 6 A 7 LEU A 226 ASP A 232 -1 N ASP A 232 O CYS A 237 SHEET 7 A 7 GLU A 279 ILE A 283 -1 N ILE A 283 O LEU A 226 SHEET 1 B 6 SER A 140 THR A 145 0 SHEET 2 B 6 LEU A 110 LYS A 121 1 N ASN A 116 O GLU A 141 SHEET 3 B 6 THR A 180 ALA A 192 -1 N LYS A 191 O GLN A 111 SHEET 4 B 6 GLY A 344 LEU A 357 -1 N ILE A 355 O MET A 181 SHEET 5 B 6 LEU A 327 PHE A 341 -1 N PHE A 341 O GLY A 344 SHEET 6 B 6 PHE A 291 ASN A 298 -1 N TYR A 297 O HIS A 334 SHEET 1 C 4 HIS A 204 TYR A 209 0 SHEET 2 C 4 TRP A 215 HIS A 224 -1 N MET A 220 O HIS A 204 SHEET 3 C 4 GLU A 285 PRO A 289 -1 N LEU A 288 O MET A 221 SHEET 4 C 4 ILE B 363 PHE B 366 1 N VAL B 364 O GLU A 285 CRYST1 72.950 82.300 83.100 90.00 90.00 90.00 P 21 21 21 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 0.013708 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012151 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012034 0.00000