HEADER TRANSCRIPTION REGULATOR 12-NOV-07 3BCG TITLE CONFORMATIONAL CHANGES OF THE ACRR REGULATOR REVEAL A MECHANISM OF TITLE 2 INDUCTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: HTH-TYPE TRANSCRIPTIONAL REGULATOR ACRR; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: POTENTIAL ACRAB OPERON REPRESSOR; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI K12; SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 STRAIN: K-12; SOURCE 5 GENE: ACRR; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI K12; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 83333; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: K-12; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET15B KEYWDS ACRB REGULATOR, DNA-BINDING, REPRESSOR, TRANSCRIPTION, TRANSCRIPTION KEYWDS 2 REGULATION, DNA BINDING PROTEIN, TRANSCRIPTION REGULATOR EXPDTA X-RAY DIFFRACTION AUTHOR R.GU,M.LI,C.C.SU,F.LONG,F.YANG,G.MCDERMOTT,E.Y.YU REVDAT 4 21-FEB-24 3BCG 1 REMARK REVDAT 3 24-FEB-09 3BCG 1 VERSN REVDAT 2 22-JUL-08 3BCG 1 JRNL REVDAT 1 26-FEB-08 3BCG 0 JRNL AUTH R.GU,M.LI,C.C.SU,F.LONG,M.D.ROUTH,F.YANG,G.MCDERMOTT,E.W.YU JRNL TITL CONFORMATIONAL CHANGE OF THE ACRR REGULATOR REVEALS A JRNL TITL 2 POSSIBLE MECHANISM OF INDUCTION. JRNL REF ACTA CRYSTALLOGR.,SECT.F V. 64 584 2008 JRNL REFN ESSN 1744-3091 JRNL PMID 18607081 JRNL DOI 10.1107/S1744309108016035 REMARK 2 REMARK 2 RESOLUTION. 2.48 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 2.48 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 4.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 14362 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) : 0.214 REMARK 3 FREE R VALUE : 0.268 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) : 2.48 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.57 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 84.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2140 REMARK 3 BIN FREE R VALUE : 0.2680 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 : 3344 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 84 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) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL 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) : 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 3BCG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-NOV-07. REMARK 100 THE DEPOSITION ID IS D_1000045349. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-JUL-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 24-ID-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14362 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.480 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 4.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : 5.200 REMARK 200 R MERGE (I) : 0.05100 REMARK 200 R SYM (I) : 0.05100 REMARK 200 FOR THE DATA SET : 23.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.48 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.57 REMARK 200 COMPLETENESS FOR SHELL (%) : 84.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.24600 REMARK 200 R SYM FOR SHELL (I) : 0.24000 REMARK 200 FOR SHELL : 4.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SNB REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.58 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 35% PEG4000, 0.2M MGCL2, 0.1M TRIS , REMARK 280 PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 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 55.38500 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 110.77000 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: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4060 ANGSTROM**2 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 MET A 1 REMARK 465 ALA A 2 REMARK 465 ARG A 3 REMARK 465 LYS A 4 REMARK 465 THR A 5 REMARK 465 THR A 213 REMARK 465 ASN A 214 REMARK 465 GLU A 215 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 ARG B 3 REMARK 465 LYS B 4 REMARK 465 THR B 5 REMARK 465 THR B 213 REMARK 465 ASN B 214 REMARK 465 GLU B 215 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 GLN A 27 -16.89 -145.70 REMARK 500 SER A 66 62.92 -67.42 REMARK 500 SER A 68 52.60 -58.80 REMARK 500 ILE A 70 -106.23 -11.15 REMARK 500 GLU A 72 -2.15 -146.15 REMARK 500 GLU A 74 -80.21 -2.45 REMARK 500 ARG A 105 20.40 -70.66 REMARK 500 ARG A 106 -26.20 -151.55 REMARK 500 VAL A 120 -72.99 -143.25 REMARK 500 GLU A 122 -4.28 63.21 REMARK 500 LYS A 152 73.31 52.18 REMARK 500 PRO A 206 -171.72 -68.50 REMARK 500 THR A 207 -9.25 57.38 REMARK 500 ARG A 209 -78.76 -130.70 REMARK 500 ASN A 210 88.93 57.76 REMARK 500 GLN B 27 -15.59 -143.57 REMARK 500 SER B 66 62.48 -67.01 REMARK 500 SER B 68 52.30 -58.21 REMARK 500 ILE B 70 -102.39 -15.73 REMARK 500 GLU B 74 -77.26 -5.11 REMARK 500 ARG B 105 20.89 -70.25 REMARK 500 ARG B 106 -27.31 -152.34 REMARK 500 VAL B 120 -69.27 -143.81 REMARK 500 GLU B 122 -6.70 62.98 REMARK 500 LYS B 152 74.53 51.50 REMARK 500 PRO B 206 -170.28 -67.89 REMARK 500 THR B 207 -12.39 57.97 REMARK 500 LEU B 208 32.65 -99.90 REMARK 500 ARG B 209 -82.52 -132.56 REMARK 500 ASN B 210 90.09 59.53 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 SER A 68 ASN A 69 144.16 REMARK 500 SER B 68 ASN B 69 143.28 REMARK 500 REMARK 500 REMARK: NULL DBREF 3BCG A 1 215 UNP P0ACS9 ACRR_ECOLI 1 215 DBREF 3BCG B 1 215 UNP P0ACS9 ACRR_ECOLI 1 215 SEQRES 1 A 215 MET ALA ARG LYS THR LYS GLN GLU ALA GLN GLU THR ARG SEQRES 2 A 215 GLN HIS ILE LEU ASP VAL ALA LEU ARG LEU PHE SER GLN SEQRES 3 A 215 GLN GLY VAL SER SER THR SER LEU GLY GLU ILE ALA LYS SEQRES 4 A 215 ALA ALA GLY VAL THR ARG GLY ALA ILE TYR TRP HIS PHE SEQRES 5 A 215 LYS ASP LYS SER ASP LEU PHE SER GLU ILE TRP GLU LEU SEQRES 6 A 215 SER GLU SER ASN ILE GLY GLU LEU GLU LEU GLU TYR GLN SEQRES 7 A 215 ALA LYS PHE PRO GLY ASP PRO LEU SER VAL LEU ARG GLU SEQRES 8 A 215 ILE LEU ILE HIS VAL LEU GLU SER THR VAL THR GLU GLU SEQRES 9 A 215 ARG ARG ARG LEU LEU MET GLU ILE ILE PHE HIS LYS CYS SEQRES 10 A 215 GLU PHE VAL GLY GLU MET ALA VAL VAL GLN GLN ALA GLN SEQRES 11 A 215 ARG ASN LEU CYS LEU GLU SER TYR ASP ARG ILE GLU GLN SEQRES 12 A 215 THR LEU LYS HIS CYS ILE GLU ALA LYS MET LEU PRO ALA SEQRES 13 A 215 ASP LEU MET THR ARG ARG ALA ALA ILE ILE MET ARG GLY SEQRES 14 A 215 TYR ILE SER GLY LEU MET GLU ASN TRP LEU PHE ALA PRO SEQRES 15 A 215 GLN SER PHE ASP LEU LYS LYS GLU ALA ARG ASP TYR VAL SEQRES 16 A 215 ALA ILE LEU LEU GLU MET TYR LEU LEU CYS PRO THR LEU SEQRES 17 A 215 ARG ASN PRO ALA THR ASN GLU SEQRES 1 B 215 MET ALA ARG LYS THR LYS GLN GLU ALA GLN GLU THR ARG SEQRES 2 B 215 GLN HIS ILE LEU ASP VAL ALA LEU ARG LEU PHE SER GLN SEQRES 3 B 215 GLN GLY VAL SER SER THR SER LEU GLY GLU ILE ALA LYS SEQRES 4 B 215 ALA ALA GLY VAL THR ARG GLY ALA ILE TYR TRP HIS PHE SEQRES 5 B 215 LYS ASP LYS SER ASP LEU PHE SER GLU ILE TRP GLU LEU SEQRES 6 B 215 SER GLU SER ASN ILE GLY GLU LEU GLU LEU GLU TYR GLN SEQRES 7 B 215 ALA LYS PHE PRO GLY ASP PRO LEU SER VAL LEU ARG GLU SEQRES 8 B 215 ILE LEU ILE HIS VAL LEU GLU SER THR VAL THR GLU GLU SEQRES 9 B 215 ARG ARG ARG LEU LEU MET GLU ILE ILE PHE HIS LYS CYS SEQRES 10 B 215 GLU PHE VAL GLY GLU MET ALA VAL VAL GLN GLN ALA GLN SEQRES 11 B 215 ARG ASN LEU CYS LEU GLU SER TYR ASP ARG ILE GLU GLN SEQRES 12 B 215 THR LEU LYS HIS CYS ILE GLU ALA LYS MET LEU PRO ALA SEQRES 13 B 215 ASP LEU MET THR ARG ARG ALA ALA ILE ILE MET ARG GLY SEQRES 14 B 215 TYR ILE SER GLY LEU MET GLU ASN TRP LEU PHE ALA PRO SEQRES 15 B 215 GLN SER PHE ASP LEU LYS LYS GLU ALA ARG ASP TYR VAL SEQRES 16 B 215 ALA ILE LEU LEU GLU MET TYR LEU LEU CYS PRO THR LEU SEQRES 17 B 215 ARG ASN PRO ALA THR ASN GLU FORMUL 3 HOH *84(H2 O) HELIX 1 1 GLU A 8 GLY A 28 1 21 HELIX 2 2 SER A 33 GLY A 42 1 10 HELIX 3 3 THR A 44 PHE A 52 1 9 HELIX 4 4 LYS A 55 LEU A 65 1 11 HELIX 5 5 LEU A 73 GLN A 78 1 6 HELIX 6 6 PRO A 85 GLU A 103 1 19 HELIX 7 7 GLU A 103 LYS A 116 1 14 HELIX 8 8 ALA A 124 ALA A 151 1 28 HELIX 9 9 ARG A 161 ALA A 181 1 21 HELIX 10 10 ASP A 186 CYS A 205 1 20 HELIX 11 11 GLU B 8 GLN B 27 1 20 HELIX 12 12 SER B 33 GLY B 42 1 10 HELIX 13 13 THR B 44 PHE B 52 1 9 HELIX 14 14 LYS B 55 LEU B 65 1 11 HELIX 15 15 LEU B 73 GLN B 78 1 6 HELIX 16 16 PRO B 85 GLU B 103 1 19 HELIX 17 17 GLU B 103 LYS B 116 1 14 HELIX 18 18 ALA B 124 ALA B 151 1 28 HELIX 19 19 ARG B 161 ALA B 181 1 21 HELIX 20 20 ASP B 186 CYS B 205 1 20 CISPEP 1 ASN A 69 ILE A 70 0 13.13 CISPEP 2 ASN B 69 ILE B 70 0 14.08 CRYST1 46.660 46.660 166.155 90.00 90.00 120.00 P 31 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 0.021432 0.012374 0.000000 0.00000 SCALE2 0.000000 0.024747 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006018 0.00000