HEADER RNA BINDING PROTEIN 30-SEP-20 7KAE TITLE ROP PROTEIN VARIANT WITH A BURIED TRYPTOPHAN COMPND MOL_ID: 1; COMPND 2 MOLECULE: REGULATORY PROTEIN ROP; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: ENGINEERED VARIANT; COMPND 5 SYNONYM: RNA ONE MODULATOR,ROM; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: ROP; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET-15B KEYWDS HELICAL BUNDLE, ENGINEERING, SUBSTITUTION, ABSORBANCE, RNA BINDING KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR D.T.GALLAGHER,J.T.HOOPES,I.KARAGEORGOS REVDAT 2 18-OCT-23 7KAE 1 REMARK REVDAT 1 13-OCT-21 7KAE 0 JRNL AUTH J.T.HOOPES,I.KARAGEORGOS,D.T.GALLAGHER JRNL TITL STRUCTURE OF A ROP PROTEIN VARIANT WITH A BURIED TRYPTOPHAN JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0258 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 12.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 3 NUMBER OF REFLECTIONS : 13516 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 + TEST SET) : 0.196 REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.224 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 688 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.64 REMARK 3 REFLECTION IN BIN (WORKING SET) : 940 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.83 REMARK 3 BIN R VALUE (WORKING SET) : 0.1790 REMARK 3 BIN FREE R VALUE SET COUNT : 48 REMARK 3 BIN FREE R VALUE : 0.2200 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 899 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 66 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.26 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.09000 REMARK 3 B22 (A**2) : -1.31000 REMARK 3 B33 (A**2) : 1.40000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.103 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.100 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.056 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.165 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.957 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.942 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 937 ; 0.014 ; 0.012 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1264 ; 1.936 ; 1.643 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 111 ; 4.244 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 63 ;33.148 ;23.968 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 178 ;15.985 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;18.141 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 126 ; 0.107 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 732 ; 0.011 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1 A 57 REMARK 3 ORIGIN FOR THE GROUP (A): 7.0719 7.1998 19.9120 REMARK 3 T TENSOR REMARK 3 T11: 0.0470 T22: 0.0767 REMARK 3 T33: 0.0271 T12: 0.0307 REMARK 3 T13: 0.0200 T23: -0.0102 REMARK 3 L TENSOR REMARK 3 L11: 3.0724 L22: 2.4480 REMARK 3 L33: 2.1057 L12: 1.7268 REMARK 3 L13: 1.4394 L23: 1.0847 REMARK 3 S TENSOR REMARK 3 S11: 0.0544 S12: -0.1766 S13: 0.1845 REMARK 3 S21: 0.2002 S22: -0.1320 S23: 0.2510 REMARK 3 S31: 0.0014 S32: -0.2629 S33: 0.0776 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 2 B 57 REMARK 3 ORIGIN FOR THE GROUP (A): 16.0753 7.6264 15.5658 REMARK 3 T TENSOR REMARK 3 T11: 0.0306 T22: 0.0336 REMARK 3 T33: 0.0163 T12: 0.0126 REMARK 3 T13: -0.0182 T23: -0.0066 REMARK 3 L TENSOR REMARK 3 L11: 1.9081 L22: 2.1000 REMARK 3 L33: 1.4277 L12: 1.0246 REMARK 3 L13: 0.7276 L23: 0.4086 REMARK 3 S TENSOR REMARK 3 S11: -0.0427 S12: 0.0931 S13: 0.0572 REMARK 3 S21: -0.0264 S22: 0.0555 S23: -0.0415 REMARK 3 S31: -0.0250 S32: 0.0048 S33: -0.0128 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: U VALUES WITH TLS ADDED REMARK 4 REMARK 4 7KAE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-OCT-20. REMARK 100 THE DEPOSITION ID IS D_1000252144. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-MAR-19 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-BM REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9790 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-3000 REMARK 200 DATA SCALING SOFTWARE : HKL-3000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14720 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 36.140 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.8 REMARK 200 DATA REDUNDANCY : 7.300 REMARK 200 R MERGE (I) : 0.04100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.63 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 1ROP REMARK 200 REMARK 200 REMARK: RECTANGULAR BAR REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 30.58 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 28% (W/V) PEG 400, 300 MM NACL, 100 MM REMARK 280 NAHEPES, PH 7.5, VAPOR DIFFUSION, TEMPERATURE 295K 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 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 18.44050 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 36.13550 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 20.00800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 36.13550 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 18.44050 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 20.00800 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2670 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 6020 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 KCAL/MOL 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 -7 REMARK 465 GLY A -6 REMARK 465 HIS A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 HIS A -1 REMARK 465 HIS A 0 REMARK 465 MET B -7 REMARK 465 GLY B -6 REMARK 465 HIS B -5 REMARK 465 HIS B -4 REMARK 465 HIS B -3 REMARK 465 HIS B -2 REMARK 465 HIS B -1 REMARK 465 HIS B 0 REMARK 465 GLY B 1 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 LYS A 3 CE NZ REMARK 470 LYS B 3 CD CE NZ REMARK 470 GLU B 28 CD OE1 OE2 REMARK 470 ASP B 30 CG OD1 OD2 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 ARG B 50 NE - CZ - NH1 ANGL. DEV. = -5.2 DEGREES REMARK 500 REMARK 500 REMARK: NULL DBREF 7KAE A 2 57 UNP P03051 ROP_ECOLX 2 57 DBREF 7KAE B 2 57 UNP P03051 ROP_ECOLX 2 57 SEQADV 7KAE MET A -7 UNP P03051 INITIATING METHIONINE SEQADV 7KAE GLY A -6 UNP P03051 EXPRESSION TAG SEQADV 7KAE HIS A -5 UNP P03051 EXPRESSION TAG SEQADV 7KAE HIS A -4 UNP P03051 EXPRESSION TAG SEQADV 7KAE HIS A -3 UNP P03051 EXPRESSION TAG SEQADV 7KAE HIS A -2 UNP P03051 EXPRESSION TAG SEQADV 7KAE HIS A -1 UNP P03051 EXPRESSION TAG SEQADV 7KAE HIS A 0 UNP P03051 EXPRESSION TAG SEQADV 7KAE GLY A 1 UNP P03051 EXPRESSION TAG SEQADV 7KAE GLN A 16 UNP P03051 ARG 16 ENGINEERED MUTATION SEQADV 7KAE ASN A 17 UNP P03051 SER 17 ENGINEERED MUTATION SEQADV 7KAE GLN A 20 UNP P03051 LEU 20 ENGINEERED MUTATION SEQADV 7KAE ALA A 38 UNP P03051 CYS 38 ENGINEERED MUTATION SEQADV 7KAE ALA A 52 UNP P03051 CYS 52 ENGINEERED MUTATION SEQADV 7KAE TRP A 56 UNP P03051 PHE 56 ENGINEERED MUTATION SEQADV 7KAE MET B -7 UNP P03051 INITIATING METHIONINE SEQADV 7KAE GLY B -6 UNP P03051 EXPRESSION TAG SEQADV 7KAE HIS B -5 UNP P03051 EXPRESSION TAG SEQADV 7KAE HIS B -4 UNP P03051 EXPRESSION TAG SEQADV 7KAE HIS B -3 UNP P03051 EXPRESSION TAG SEQADV 7KAE HIS B -2 UNP P03051 EXPRESSION TAG SEQADV 7KAE HIS B -1 UNP P03051 EXPRESSION TAG SEQADV 7KAE HIS B 0 UNP P03051 EXPRESSION TAG SEQADV 7KAE GLY B 1 UNP P03051 EXPRESSION TAG SEQADV 7KAE GLN B 16 UNP P03051 ARG 16 ENGINEERED MUTATION SEQADV 7KAE ASN B 17 UNP P03051 SER 17 ENGINEERED MUTATION SEQADV 7KAE GLN B 20 UNP P03051 LEU 20 ENGINEERED MUTATION SEQADV 7KAE ALA B 38 UNP P03051 CYS 38 ENGINEERED MUTATION SEQADV 7KAE ALA B 52 UNP P03051 CYS 52 ENGINEERED MUTATION SEQADV 7KAE TRP B 56 UNP P03051 PHE 56 ENGINEERED MUTATION SEQRES 1 A 65 MET GLY HIS HIS HIS HIS HIS HIS GLY THR LYS GLN GLU SEQRES 2 A 65 LYS THR ALA LEU ASN MET ALA ARG PHE ILE GLN ASN GLN SEQRES 3 A 65 THR GLN THR LEU LEU GLU LYS LEU ASN GLU LEU ASP ALA SEQRES 4 A 65 ASP GLU GLN ALA ASP ILE ALA GLU SER LEU HIS ASP HIS SEQRES 5 A 65 ALA ASP GLU LEU TYR ARG SER ALA LEU ALA ARG TRP GLY SEQRES 1 B 65 MET GLY HIS HIS HIS HIS HIS HIS GLY THR LYS GLN GLU SEQRES 2 B 65 LYS THR ALA LEU ASN MET ALA ARG PHE ILE GLN ASN GLN SEQRES 3 B 65 THR GLN THR LEU LEU GLU LYS LEU ASN GLU LEU ASP ALA SEQRES 4 B 65 ASP GLU GLN ALA ASP ILE ALA GLU SER LEU HIS ASP HIS SEQRES 5 B 65 ALA ASP GLU LEU TYR ARG SER ALA LEU ALA ARG TRP GLY FORMUL 3 HOH *66(H2 O) HELIX 1 AA1 THR A 2 LEU A 29 1 28 HELIX 2 AA2 ALA A 31 GLY A 57 1 27 HELIX 3 AA3 LYS B 3 LEU B 29 1 27 HELIX 4 AA4 ALA B 31 GLY B 57 1 27 CRYST1 36.881 40.016 72.271 90.00 90.00 90.00 P 21 21 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 0.027114 0.000000 0.000000 0.00000 SCALE2 0.000000 0.024990 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013837 0.00000