HEADER OXIDOREDUCTASE 29-FEB-00 1EJ3 TITLE CRYSTAL STRUCTURE OF AEQUORIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: AEQUORIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: AEQUOREA AEQUOREA; SOURCE 3 ORGANISM_TAXID: 168712; SOURCE 4 ORGAN: LIGHT ORGAN; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PIP-HE KEYWDS FOUR EF-HAND CALCIUM-BINDING PROTEIN, PROTEIN-COELENTERAZINE PEROXIDE KEYWDS 2 COMPLEX, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR J.F.HEAD,S.INOUYE,K.TERANISHI,O.SHIMOMURA REVDAT 4 07-FEB-24 1EJ3 1 REMARK SEQADV REVDAT 3 24-FEB-09 1EJ3 1 VERSN REVDAT 2 01-APR-03 1EJ3 1 JRNL REVDAT 1 31-MAY-00 1EJ3 0 JRNL AUTH J.F.HEAD,S.INOUYE,K.TERANISHI,O.SHIMOMURA JRNL TITL THE CRYSTAL STRUCTURE OF THE PHOTOPROTEIN AEQUORIN AT 2.3 A JRNL TITL 2 RESOLUTION. JRNL REF NATURE V. 405 372 2000 JRNL REFN ISSN 0028-0836 JRNL PMID 10830969 JRNL DOI 10.1038/35012659 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.4 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.5 REMARK 3 NUMBER OF REFLECTIONS : 23141 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.219 REMARK 3 FREE R VALUE : 0.253 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1586 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 : 2992 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 68 REMARK 3 SOLVENT ATOMS : 173 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 24.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.730 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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: NULL REMARK 4 REMARK 4 1EJ3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-MAR-00. REMARK 100 THE DEPOSITION ID IS D_1000010625. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-MAY-99 REMARK 200 TEMPERATURE (KELVIN) : 90 REMARK 200 PH : 7.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X8C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.072 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23141 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.5 REMARK 200 DATA REDUNDANCY : 10.10 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 24.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.44 REMARK 200 COMPLETENESS FOR SHELL (%) : 69.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.80 REMARK 200 R MERGE FOR SHELL (I) : 0.37000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.56 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, EDTA, BIS-TRIS, PH REMARK 280 7.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 290K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 81.83000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 40.63500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 40.63500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 122.74500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 40.63500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 40.63500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 40.91500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 40.63500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 40.63500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 122.74500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 40.63500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 40.63500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 40.91500 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 81.83000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 ALA A -1 REMARK 465 ASN A 0 REMARK 465 SER A 1 REMARK 465 LYS A 2 REMARK 465 ALA B -1 REMARK 465 ASN B 0 REMARK 465 SER B 1 REMARK 465 LYS B 2 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 6 49.15 -151.00 REMARK 500 ASP A 153 51.37 74.74 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 38 0.07 SIDE CHAIN 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 CZH A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CZH B 301 DBREF 1EJ3 A -1 189 UNP P02592 AEQ2_AEQVI 6 196 DBREF 1EJ3 B -1 189 UNP P02592 AEQ2_AEQVI 6 196 SEQADV 1EJ3 ALA A -1 UNP P02592 TYR 6 CONFLICT SEQADV 1EJ3 ASN A 0 UNP P02592 SER 7 CONFLICT SEQADV 1EJ3 SER A 1 UNP P02592 VAL 8 CONFLICT SEQADV 1EJ3 ALA B -1 UNP P02592 TYR 6 CONFLICT SEQADV 1EJ3 ASN B 0 UNP P02592 SER 7 CONFLICT SEQADV 1EJ3 SER B 1 UNP P02592 VAL 8 CONFLICT SEQRES 1 A 191 ALA ASN SER LYS LEU THR SER ASP PHE ASP ASN PRO ARG SEQRES 2 A 191 TRP ILE GLY ARG HIS LYS HIS MET PHE ASN PHE LEU ASP SEQRES 3 A 191 VAL ASN HIS ASN GLY LYS ILE SER LEU ASP GLU MET VAL SEQRES 4 A 191 TYR LYS ALA SER ASP ILE VAL ILE ASN ASN LEU GLY ALA SEQRES 5 A 191 THR PRO GLU GLN ALA LYS ARG HIS LYS ASP ALA VAL GLU SEQRES 6 A 191 ALA PHE PHE GLY GLY ALA GLY MET LYS TYR GLY VAL GLU SEQRES 7 A 191 THR ASP TRP PRO ALA TYR ILE GLU GLY TRP LYS LYS LEU SEQRES 8 A 191 ALA THR ASP GLU LEU GLU LYS TYR ALA LYS ASN GLU PRO SEQRES 9 A 191 THR LEU ILE ARG ILE TRP GLY ASP ALA LEU PHE ASP ILE SEQRES 10 A 191 VAL ASP LYS ASP GLN ASN GLY ALA ILE THR LEU ASP GLU SEQRES 11 A 191 TRP LYS ALA TYR THR LYS ALA ALA GLY ILE ILE GLN SER SEQRES 12 A 191 SER GLU ASP CYS GLU GLU THR PHE ARG VAL CYS ASP ILE SEQRES 13 A 191 ASP GLU SER GLY GLN LEU ASP VAL ASP GLU MET THR ARG SEQRES 14 A 191 GLN HIS LEU GLY PHE TRP TYR THR MET ASP PRO ALA CYS SEQRES 15 A 191 GLU LYS LEU TYR GLY GLY ALA VAL PRO SEQRES 1 B 191 ALA ASN SER LYS LEU THR SER ASP PHE ASP ASN PRO ARG SEQRES 2 B 191 TRP ILE GLY ARG HIS LYS HIS MET PHE ASN PHE LEU ASP SEQRES 3 B 191 VAL ASN HIS ASN GLY LYS ILE SER LEU ASP GLU MET VAL SEQRES 4 B 191 TYR LYS ALA SER ASP ILE VAL ILE ASN ASN LEU GLY ALA SEQRES 5 B 191 THR PRO GLU GLN ALA LYS ARG HIS LYS ASP ALA VAL GLU SEQRES 6 B 191 ALA PHE PHE GLY GLY ALA GLY MET LYS TYR GLY VAL GLU SEQRES 7 B 191 THR ASP TRP PRO ALA TYR ILE GLU GLY TRP LYS LYS LEU SEQRES 8 B 191 ALA THR ASP GLU LEU GLU LYS TYR ALA LYS ASN GLU PRO SEQRES 9 B 191 THR LEU ILE ARG ILE TRP GLY ASP ALA LEU PHE ASP ILE SEQRES 10 B 191 VAL ASP LYS ASP GLN ASN GLY ALA ILE THR LEU ASP GLU SEQRES 11 B 191 TRP LYS ALA TYR THR LYS ALA ALA GLY ILE ILE GLN SER SEQRES 12 B 191 SER GLU ASP CYS GLU GLU THR PHE ARG VAL CYS ASP ILE SEQRES 13 B 191 ASP GLU SER GLY GLN LEU ASP VAL ASP GLU MET THR ARG SEQRES 14 B 191 GLN HIS LEU GLY PHE TRP TYR THR MET ASP PRO ALA CYS SEQRES 15 B 191 GLU LYS LEU TYR GLY GLY ALA VAL PRO HET CZH A 201 34 HET CZH B 301 34 HETNAM CZH C2-HYDROPEROXY-COELENTERAZINE HETSYN CZH 8-BENZYL-2-HYDROPEROXY-2-(4-HYDROXY-BENZYL)-6-(4- HETSYN 2 CZH HYDROXY-PHENYL)-2H-IMIDAZO[1,2-A]PYRAZIN-3-ONE FORMUL 3 CZH 2(C26 H21 N3 O5) FORMUL 5 HOH *173(H2 O) HELIX 1 1 ASN A 9 ASP A 24 1 16 HELIX 2 2 SER A 32 ASN A 47 1 16 HELIX 3 3 THR A 51 ALA A 69 1 19 HELIX 4 4 TRP A 79 LYS A 99 1 21 HELIX 5 5 THR A 103 ASP A 117 1 15 HELIX 6 6 THR A 125 GLY A 137 1 13 HELIX 7 7 SER A 141 ASP A 153 1 13 HELIX 8 8 VAL A 162 TYR A 174 1 13 HELIX 9 9 ASP A 177 GLU A 181 5 5 HELIX 10 10 ASN B 9 ASP B 24 1 16 HELIX 11 11 LEU B 33 ASN B 47 1 15 HELIX 12 12 THR B 51 ALA B 69 1 19 HELIX 13 13 TRP B 79 LYS B 99 1 21 HELIX 14 14 THR B 103 ASP B 117 1 15 HELIX 15 15 THR B 125 GLY B 137 1 13 HELIX 16 16 SER B 141 CYS B 152 1 12 HELIX 17 17 VAL B 162 TYR B 174 1 13 HELIX 18 18 ASP B 177 GLU B 181 5 5 SHEET 1 A 2 LYS A 30 ILE A 31 0 SHEET 2 A 2 THR A 77 ASP A 78 -1 N THR A 77 O ILE A 31 SHEET 1 B 2 ALA A 123 ILE A 124 0 SHEET 2 B 2 LEU A 160 ASP A 161 -1 N LEU A 160 O ILE A 124 SHEET 1 C 2 LYS B 30 SER B 32 0 SHEET 2 C 2 GLU B 76 ASP B 78 -1 N THR B 77 O ILE B 31 SHEET 1 D 2 ALA B 123 ILE B 124 0 SHEET 2 D 2 LEU B 160 ASP B 161 -1 N LEU B 160 O ILE B 124 SITE 1 AC1 17 HIS A 16 MET A 19 MET A 36 ALA A 40 SITE 2 AC1 17 TYR A 82 TRP A 86 TRP A 108 GLY A 109 SITE 3 AC1 17 LEU A 112 PHE A 113 TRP A 129 TYR A 132 SITE 4 AC1 17 MET A 165 HIS A 169 TRP A 173 TYR A 184 SITE 5 AC1 17 HOH A 405 SITE 1 AC2 17 HIS B 16 MET B 19 MET B 36 PHE B 66 SITE 2 AC2 17 TYR B 82 TRP B 86 TRP B 108 GLY B 109 SITE 3 AC2 17 LEU B 112 PHE B 113 TRP B 129 TYR B 132 SITE 4 AC2 17 MET B 165 HIS B 169 TRP B 173 TYR B 184 SITE 5 AC2 17 HOH B 451 CRYST1 81.270 81.270 163.660 90.00 90.00 90.00 P 43 21 2 16 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 0.012305 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012305 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006110 0.00000