HEADER ISOMERASE 29-MAY-03 1OHO TITLE CRYSTAL STRUCTURE OF KETOSTEROID ISOMERASE Y16F/D40N MUTANT COMPLEXED TITLE 2 WITH EQUILENIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: STEROID DELTA-ISOMERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: DELTA-5-3-KETOSTEROID, ISOMERASE; COMPND 5 EC: 5.3.3.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSEUDOMONAS PUTIDA; SOURCE 3 ORGANISM_TAXID: 303; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) KEYWDS ISOMERASE, INHIBITOR, EQUILENIN EXPDTA X-RAY DIFFRACTION AUTHOR M.-S.KIM,M.BYUN,B.-H.OH REVDAT 3 08-MAY-24 1OHO 1 REMARK REVDAT 2 24-FEB-09 1OHO 1 VERSN REVDAT 1 31-MAR-05 1OHO 0 JRNL AUTH M.-S.KIM,M.BYUN,B.-H.OH JRNL TITL CRYSTAL STRUCTURE OF KETOSTEROID ISOMERASE Y16F/D40N MUTANT JRNL TITL 2 COMPLEXED WITH EQUILENIN JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 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) (%) : 96.8 REMARK 3 NUMBER OF REFLECTIONS : 10149 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) : 0.196 REMARK 3 FREE R VALUE : 0.226 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 537 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 : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.97 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 896 REMARK 3 BIN R VALUE (WORKING SET) : 0.2230 REMARK 3 BIN FREE R VALUE : 0.2630 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 53 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 : 956 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 20 REMARK 3 SOLVENT ATOMS : 42 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.150 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) : 1.640 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.677 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.673 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.078 ; 2.500 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 1OHO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 29-MAY-03. REMARK 100 THE DEPOSITION ID IS D_1290012803. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-NOV-99 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.80 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10600 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.5 REMARK 200 DATA REDUNDANCY : 7.600 REMARK 200 R MERGE (I) : 0.05700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 29.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.20000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.80 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 37.13100 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.13100 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 1.000000 0.000000 0.000000 18.06100 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 48.13850 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 18.06100 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 48.13850 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 37.13100 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 18.06100 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 48.13850 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 37.13100 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 18.06100 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 48.13850 REMARK 290 SMTRY3 8 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: PQS 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 96.27700 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 74.26200 REMARK 400 REMARK 400 COMPOUND REMARK 400 CATALYTIC ACTIVITY: CONVERTS THE 3-OXO-DELTA(5)-STEROID TO THE REMARK 400 3-OXO-DELTA(4)-STEROID. REMARK 400 ENGINEERED MUTATION IN CHAIN A, ASP 40 TO ASN 40 REMARK 400 ENGINEERED MUTATION IN CHAIN A, TYR 16 TO PHE 16 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 MET A 1 REMARK 465 GLY A 62 REMARK 465 GLY A 63 REMARK 465 GLY A 64 REMARK 465 ARG A 128 REMARK 465 GLU A 129 REMARK 465 PRO A 130 REMARK 465 GLN A 131 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 ASN A 2 CG OD1 ND2 REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, REMARK 700 TWO SHEETS ARE DEFINED. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EQU A1128 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1C7H RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF A MUTANT R75A IN KETOSTEROID ISOMERASE FROM REMARK 900 PSEDOMONAS PUTIDA BIOTYPE B REMARK 900 RELATED ID: 1CQS RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF D103E MUTANT WITH EQUILENINEOF KSI REMARK 900 INPSEUDOMONAS PUTIDA REMARK 900 RELATED ID: 1DMM RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF MUTANT ENZYMES Y57F OF KETOSTEROID ISOMERASE REMARK 900 FROM PSEUDOMONAS PUTIDA BIOTYPE B REMARK 900 RELATED ID: 1DMN RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF MUTANT ENZYME Y32F/Y57F OF KETOSTEROID REMARK 900 ISOMERASE FROM PSEUDOMONAS PUTIDA BIOTYPE B REMARK 900 RELATED ID: 1DMQ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF MUTANT ENZYME Y32F OF KETOSTEROID ISOMERASE REMARK 900 FROM PSEUDOMONAS PUTIDA BIOTYPE B REMARK 900 RELATED ID: 1E3R RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF KETOSTEROID ISOMERASE MUTANT D40N (D38N TI REMARK 900 NUMBERING) FROM PSEUDOMONAS PUTIDA COMPLEXED WITH ANDROSTEN- 3BETA- REMARK 900 OL-17-ONE REMARK 900 RELATED ID: 1E3V RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF KETOSTEROID ISOMERASE FROM PSEDOMONAS PUTIDA REMARK 900 COMPLEXED WITH DEOXYCHOLATE REMARK 900 RELATED ID: 1E97 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF KETOSTEROID ISOMERASE FROM PSEUDOMONAS PUTIDA ; REMARK 900 TRIPLE MUTANT Y16F/ Y32F/Y57F REMARK 900 RELATED ID: 1EA2 RELATED DB: PDB REMARK 900 PSEUDOREVERSION OF THE CATALYTIC ACTIVITY OF Y14F BY THE ADDITIONAL REMARK 900 TYROSIN- TO - PHENYLALANINE SUBSTITUTION(S) IN THE HYDROGEN BOND REMARK 900 NETWORK OF %D5-3-KETOSTEROID ISOMERASE FROM PHEUDOMONAS PUTIDA REMARK 900 BIOTYPE B REMARK 900 RELATED ID: 1GS3 RELATED DB: PDB REMARK 900 HIGH RESOLUTION CRYSTAL STRUCTURE OF PI DELTA-5-3-KETOSTEROID REMARK 900 ISOMERASE MUTANTS Y30F /Y55F/Y115F/D38N (Y32F/Y57F/Y119F/D40N, PI REMARK 900 NUMBERING)COMPLEXED WITH EQUILENIN AT 2. 1 A RESOLUTION REMARK 900 RELATED ID: 1K41 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF KSI Y57S MUTANT REMARK 900 RELATED ID: 1OGX RELATED DB: PDB REMARK 900 HIGH RESOLUTION CRYSTAL STRUCTURE OF KETOSTEROID ISOMERASE MUTANT REMARK 900 D40N(D38N, TI NUMBERING) COMPLEXED WITH EQUILENIN AT 2.0 A REMARK 900 RESOLUTION. REMARK 900 RELATED ID: 1OH0 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF KETOSTEROID ISOMERASE COMPLEXED WITH EQUILENIN REMARK 900 RELATED ID: 1OPY RELATED DB: PDB REMARK 900 KSI REMARK 900 RELATED ID: 1VZZ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF MUTANT ENZYME Y32F/ D103L OF KETOSTEROID REMARK 900 ISOMERASE FROM PSEUDOMONAS PUTIDA BIOTYPE B REMARK 900 RELATED ID: 1W00 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF MUTANT ENZYME Y32F OF KETOSTEROID ISOMERASE REMARK 900 FROM PSEUDOMONAS PUTIDA BIOTYPE B REMARK 900 RELATED ID: 1W01 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF MUTANT ENZYMES Y57F/ D103L OF KETOSTEROID REMARK 900 ISOMERASE FROM PSEUDOMONAS PUTIDA BIOTYPE B REMARK 900 RELATED ID: 1W02 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF MUTANT ENZYME Y16F/ D103L OF KETOSTEROID REMARK 900 ISOMERASE FROM PSEUDOMONAS PUTIDA BIOTYPE B REMARK 900 RELATED ID: 1W6Y RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF A MUTANT W92A IN KETOSTEROID ISOMERASE (KSI) REMARK 900 FROM PSEUDOMONAS PUTIDA BIOTYPE B DBREF 1OHO A 1 131 UNP P07445 SDIS_PSEPU 1 131 SEQADV 1OHO ASN A 40 UNP P07445 ASP 40 ENGINEERED MUTATION SEQADV 1OHO PHE A 16 UNP P07445 TYR 16 ENGINEERED MUTATION SEQRES 1 A 131 MET ASN LEU PRO THR ALA GLN GLU VAL GLN GLY LEU MET SEQRES 2 A 131 ALA ARG PHE ILE GLU LEU VAL ASP VAL GLY ASP ILE GLU SEQRES 3 A 131 ALA ILE VAL GLN MET TYR ALA ASP ASP ALA THR VAL GLU SEQRES 4 A 131 ASN PRO PHE GLY GLN PRO PRO ILE HIS GLY ARG GLU GLN SEQRES 5 A 131 ILE ALA ALA PHE TYR ARG GLN GLY LEU GLY GLY GLY LYS SEQRES 6 A 131 VAL ARG ALA CYS LEU THR GLY PRO VAL ARG ALA SER HIS SEQRES 7 A 131 ASN GLY CYS GLY ALA MET PRO PHE ARG VAL GLU MET VAL SEQRES 8 A 131 TRP ASN GLY GLN PRO CYS ALA LEU ASP VAL ILE ASP VAL SEQRES 9 A 131 MET ARG PHE ASP GLU HIS GLY ARG ILE GLN THR MET GLN SEQRES 10 A 131 ALA TYR TRP SER GLU VAL ASN LEU SER VAL ARG GLU PRO SEQRES 11 A 131 GLN HET EQU A1128 20 HETNAM EQU EQUILENIN FORMUL 2 EQU C18 H18 O2 FORMUL 3 HOH *42(H2 O) HELIX 1 1 THR A 5 GLY A 23 1 19 HELIX 2 2 ASP A 24 MET A 31 1 8 HELIX 3 3 GLY A 49 LEU A 61 1 13 HELIX 4 4 SER A 121 VAL A 123 5 3 SHEET 1 AA 5 ILE A 47 HIS A 48 0 SHEET 2 AA 5 TYR A 32 GLU A 39 -1 O VAL A 38 N ILE A 47 SHEET 3 AA 5 ILE A 113 TYR A 119 1 O ILE A 113 N ALA A 33 SHEET 4 AA 5 GLN A 95 PHE A 107 -1 O ILE A 102 N TYR A 119 SHEET 5 AA 5 CYS A 81 TRP A 92 -1 O GLY A 82 N MET A 105 SHEET 1 AB 5 ILE A 47 HIS A 48 0 SHEET 2 AB 5 TYR A 32 GLU A 39 -1 O VAL A 38 N ILE A 47 SHEET 3 AB 5 ILE A 113 TYR A 119 1 O ILE A 113 N ALA A 33 SHEET 4 AB 5 GLN A 95 PHE A 107 -1 O ILE A 102 N TYR A 119 SHEET 5 AB 5 LEU A 125 SER A 126 -1 O SER A 126 N ALA A 98 CISPEP 1 ASN A 40 PRO A 41 0 -0.20 SITE 1 AC1 9 VAL A 20 ASN A 40 PHE A 56 TYR A 57 SITE 2 AC1 9 PHE A 86 MET A 90 TRP A 92 ASN A 93 SITE 3 AC1 9 ASP A 103 CRYST1 36.122 96.277 74.262 90.00 90.00 90.00 C 2 2 21 8 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 0.027684 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010387 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013466 0.00000