HEADER SERINE PROTEASE INHIBITOR 06-AUG-96 1KCT TITLE ALPHA1-ANTITRYPSIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA1-ANTITRYPSIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ALPHA1-PROTEINASE INHIBITOR; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: A1AT; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-8C; SOURCE 10 EXPRESSION_SYSTEM_GENE: A1AT KEYWDS SERPIN, SERINE PROTEASE INHIBITOR, GLYCOPROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR H.K.SONG,S.W.SUH REVDAT 5 07-FEB-24 1KCT 1 REMARK REVDAT 4 03-NOV-21 1KCT 1 SEQADV REVDAT 3 18-APR-18 1KCT 1 REMARK REVDAT 2 24-FEB-09 1KCT 1 VERSN REVDAT 1 11-JAN-97 1KCT 0 JRNL AUTH H.K.SONG,K.N.LEE,K.S.KWON,M.H.YU,S.W.SUH JRNL TITL CRYSTAL STRUCTURE OF AN UNCLEAVED ALPHA 1-ANTITRYPSIN JRNL TITL 2 REVEALS THE CONFORMATION OF ITS INHIBITORY REACTIVE LOOP. JRNL REF FEBS LETT. V. 377 150 1995 JRNL REFN ISSN 0014-5793 JRNL PMID 8543039 JRNL DOI 10.1016/0014-5793(95)01331-8 REMARK 2 REMARK 2 RESOLUTION. 3.46 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) : 3.46 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 81.2 REMARK 3 NUMBER OF REFLECTIONS : 4079 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) : 0.184 REMARK 3 FREE R VALUE : NULL 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 : 2965 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) : 20.00 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) : 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) : 0.015 REMARK 3 BOND ANGLES (DEGREES) : 2.440 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.42 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.940 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 1KCT 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_1000174406. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-NOV-94 REMARK 200 TEMPERATURE (KELVIN) : 295 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 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 : DIFFRACTOMETER REMARK 200 DETECTOR MANUFACTURER : ENRAF-NONIUS FAST REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MADNES REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 4380 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.500 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 82.6 REMARK 200 DATA REDUNDANCY : 2.500 REMARK 200 R MERGE (I) : 0.10600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.46 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.60 REMARK 200 COMPLETENESS FOR SHELL (%) : 63.0 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 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.5 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 57.43500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 19.99000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 57.43500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 19.99000 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 GLU A 1 REMARK 465 ASP A 2 REMARK 465 PRO A 3 REMARK 465 GLN A 4 REMARK 465 GLY A 5 REMARK 465 ASP A 6 REMARK 465 ALA A 7 REMARK 465 ALA A 8 REMARK 465 GLN A 9 REMARK 465 LYS A 10 REMARK 465 THR A 11 REMARK 465 ASP A 12 REMARK 465 THR A 13 REMARK 465 SER A 14 REMARK 465 HIS A 15 REMARK 465 HIS A 16 REMARK 465 ASP A 17 REMARK 465 GLN A 18 REMARK 465 ASP A 19 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 HIS A 20 CG ND1 CD2 CE1 NE2 REMARK 470 LYS A 394 CG CD CE NZ 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 126 CA - CB - CG ANGL. DEV. = 18.6 DEGREES REMARK 500 PRO A 197 C - N - CA ANGL. DEV. = 11.3 DEGREES REMARK 500 PRO A 255 C - N - CA ANGL. DEV. = 11.3 DEGREES REMARK 500 LEU A 286 CA - CB - CG ANGL. DEV. = 14.2 DEGREES REMARK 500 PRO A 326 C - N - CA ANGL. DEV. = 12.6 DEGREES REMARK 500 ILE A 360 N - CA - C ANGL. DEV. = -22.3 DEGREES REMARK 500 PRO A 361 C - N - CA ANGL. DEV. = -17.4 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 PRO A 21 75.47 -69.30 REMARK 500 LEU A 30 -32.46 174.52 REMARK 500 LEU A 41 -53.93 -140.54 REMARK 500 ALA A 42 32.52 -75.85 REMARK 500 HIS A 43 -42.33 -138.43 REMARK 500 ASN A 46 29.67 173.03 REMARK 500 SER A 47 -42.40 -147.87 REMARK 500 VAL A 55 -50.39 -149.33 REMARK 500 ILE A 57 -65.64 -95.31 REMARK 500 ALA A 59 -68.92 -104.14 REMARK 500 ALA A 62 -22.56 -154.83 REMARK 500 LEU A 64 48.85 -108.95 REMARK 500 LEU A 66 -64.34 -122.56 REMARK 500 ALA A 68 121.45 167.38 REMARK 500 THR A 72 -79.00 -76.35 REMARK 500 HIS A 73 41.09 -69.88 REMARK 500 GLU A 75 -39.05 -172.58 REMARK 500 ILE A 76 -77.56 -72.93 REMARK 500 LEU A 80 42.90 -70.36 REMARK 500 ASN A 81 -58.69 71.53 REMARK 500 LEU A 84 -3.12 -44.00 REMARK 500 GLU A 89 -71.52 -52.10 REMARK 500 ALA A 90 -12.20 -49.89 REMARK 500 GLN A 91 60.76 -112.25 REMARK 500 ILE A 92 -10.07 -165.09 REMARK 500 GLN A 97 35.06 -76.15 REMARK 500 GLU A 98 51.32 -157.32 REMARK 500 LEU A 99 17.79 169.48 REMARK 500 LEU A 100 8.76 -158.68 REMARK 500 ARG A 101 -7.06 -167.76 REMARK 500 ASN A 104 -23.43 -172.84 REMARK 500 PRO A 106 99.93 -27.00 REMARK 500 ASP A 107 -174.47 -55.14 REMARK 500 SER A 108 -56.86 -120.17 REMARK 500 GLN A 109 -51.17 -122.18 REMARK 500 GLN A 111 -108.74 55.89 REMARK 500 LEU A 112 166.29 87.56 REMARK 500 THR A 113 37.12 -151.50 REMARK 500 LEU A 118 146.30 68.10 REMARK 500 LEU A 124 -148.76 -155.91 REMARK 500 LYS A 125 -24.75 -162.33 REMARK 500 LEU A 126 -169.37 29.25 REMARK 500 GLU A 132 56.50 -104.45 REMARK 500 ASP A 133 -66.34 -157.90 REMARK 500 HIS A 139 -22.38 75.11 REMARK 500 SER A 140 101.34 -10.02 REMARK 500 THR A 150 38.77 -78.83 REMARK 500 LYS A 155 27.12 -68.65 REMARK 500 GLN A 156 -21.95 -157.20 REMARK 500 ILE A 157 -68.89 -96.43 REMARK 500 REMARK 500 THIS ENTRY HAS 129 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: P1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: REACTIVE SITE IN INHIBITORY LOOP. DBREF 1KCT A 1 394 UNP P01009 A1AT_HUMAN 25 418 SEQADV 1KCT ALA A 59 UNP P01009 THR 83 ENGINEERED MUTATION SEQADV 1KCT ALA A 68 UNP P01009 THR 92 ENGINEERED MUTATION SEQADV 1KCT GLY A 70 UNP P01009 ALA 94 ENGINEERED MUTATION SEQRES 1 A 394 GLU ASP PRO GLN GLY ASP ALA ALA GLN LYS THR ASP THR SEQRES 2 A 394 SER HIS HIS ASP GLN ASP HIS PRO THR PHE ASN LYS ILE SEQRES 3 A 394 THR PRO ASN LEU ALA GLU PHE ALA PHE SER LEU TYR ARG SEQRES 4 A 394 GLN LEU ALA HIS GLN SER ASN SER THR ASN ILE PHE PHE SEQRES 5 A 394 SER PRO VAL SER ILE ALA ALA ALA PHE ALA MET LEU SER SEQRES 6 A 394 LEU GLY ALA LYS GLY ASP THR HIS ASP GLU ILE LEU GLU SEQRES 7 A 394 GLY LEU ASN PHE ASN LEU THR GLU ILE PRO GLU ALA GLN SEQRES 8 A 394 ILE HIS GLU GLY PHE GLN GLU LEU LEU ARG THR LEU ASN SEQRES 9 A 394 GLN PRO ASP SER GLN LEU GLN LEU THR THR GLY ASN GLY SEQRES 10 A 394 LEU PHE LEU SER GLU GLY LEU LYS LEU VAL ASP LYS PHE SEQRES 11 A 394 LEU GLU ASP VAL LYS LYS LEU TYR HIS SER GLU ALA PHE SEQRES 12 A 394 THR VAL ASN PHE GLY ASP THR GLU GLU ALA LYS LYS GLN SEQRES 13 A 394 ILE ASN ASP TYR VAL GLU LYS GLY THR GLN GLY LYS ILE SEQRES 14 A 394 VAL ASP LEU VAL LYS GLU LEU ASP ARG ASP THR VAL PHE SEQRES 15 A 394 ALA LEU VAL ASN TYR ILE PHE PHE LYS GLY LYS TRP GLU SEQRES 16 A 394 ARG PRO PHE GLU VAL LYS ASP THR GLU GLU GLU ASP PHE SEQRES 17 A 394 HIS VAL ASP GLN VAL THR THR VAL LYS VAL PRO MET MET SEQRES 18 A 394 LYS ARG LEU GLY MET PHE ASN ILE GLN HIS CYS LYS LYS SEQRES 19 A 394 LEU SER SER TRP VAL LEU LEU MET LYS TYR LEU GLY ASN SEQRES 20 A 394 ALA THR ALA ILE PHE PHE LEU PRO ASP GLU GLY LYS LEU SEQRES 21 A 394 GLN HIS LEU GLU ASN GLU LEU THR HIS ASP ILE ILE THR SEQRES 22 A 394 LYS PHE LEU GLU ASN GLU ASP ARG ARG SER ALA SER LEU SEQRES 23 A 394 HIS LEU PRO LYS LEU SER ILE THR GLY THR TYR ASP LEU SEQRES 24 A 394 LYS SER VAL LEU GLY GLN LEU GLY ILE THR LYS VAL PHE SEQRES 25 A 394 SER ASN GLY ALA ASP LEU SER GLY VAL THR GLU GLU ALA SEQRES 26 A 394 PRO LEU LYS LEU SER LYS ALA VAL HIS LYS ALA VAL LEU SEQRES 27 A 394 THR ILE ASP GLU LYS GLY THR GLU ALA ALA GLY ALA MET SEQRES 28 A 394 PHE LEU GLU ALA ILE PRO MET SER ILE PRO PRO GLU VAL SEQRES 29 A 394 LYS PHE ASN LYS PRO PHE VAL PHE LEU MET ILE GLU GLN SEQRES 30 A 394 ASN THR LYS SER PRO LEU PHE MET GLY LYS VAL VAL ASN SEQRES 31 A 394 PRO THR GLN LYS HELIX 1 1 ASN A 24 THR A 27 1 4 HELIX 2 2 ALA A 34 TYR A 38 1 5 HELIX 3 3 LEU A 131 LEU A 137 1 7 HELIX 4 4 ASP A 270 THR A 273 1 4 HELIX 5 5 LEU A 303 LEU A 306 1 4 HELIX 6 6 THR A 309 VAL A 311 5 3 SHEET 1 A 2 ILE A 50 PHE A 52 0 SHEET 2 A 2 MET A 385 LYS A 387 -1 N LYS A 387 O ILE A 50 SHEET 1 B 2 ALA A 248 ILE A 251 0 SHEET 2 B 2 LEU A 373 GLU A 376 -1 N ILE A 375 O THR A 249 SITE 1 P1 1 MET A 358 CRYST1 114.870 39.980 92.420 90.00 102.82 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 0.008705 0.000000 0.001981 0.00000 SCALE2 0.000000 0.025013 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011097 0.00000