HEADER ISOMERASE 23-MAY-17 5XNJ TITLE CRYSTAL STRUCTURE OF MICROCYSTIS AERUGINOSA PCC 7806 TITLE 2 ASPARTATE/GLUTAMATE RACEMASE IN COMPLEX WITH L-GLUTAMATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: MCYF; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MCYF PROTEIN; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MICROCYSTIS AERUGINOSA PCC 7806; SOURCE 3 ORGANISM_TAXID: 267872; SOURCE 4 GENE: MCYF, IPF_371; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) KEYWDS ASPARTATE/GLUTAMATE RACEMASE, MCYF, MICROCYSTIN, ISOMERASE EXPDTA X-RAY DIFFRACTION AUTHOR D.D.CAO,K.ZHOU,Y.L.JIANG,C.Z.ZHOU REVDAT 2 22-NOV-23 5XNJ 1 REMARK REVDAT 1 30-MAY-18 5XNJ 0 JRNL AUTH D.D.CAO,C.Z.ZHOU JRNL TITL STRUCTURE-FUNCTION ANALYSES OF A CYANOBACTERIAL JRNL TITL 2 ASPARTATE/GLUTAMATE RACEMASE REVEAL ITS CATALYTIC MECHANISM JRNL TITL 3 AND SUBSTRATE SPECIFICITY JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.82 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0135 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.82 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 9892 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) : 0.188 REMARK 3 R VALUE (WORKING SET) : 0.187 REMARK 3 FREE R VALUE : 0.210 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 525 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) : 2.82 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.89 REMARK 3 REFLECTION IN BIN (WORKING SET) : 699 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.10 REMARK 3 BIN R VALUE (WORKING SET) : 0.2680 REMARK 3 BIN FREE R VALUE SET COUNT : 40 REMARK 3 BIN FREE R VALUE : 0.3540 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1786 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 13 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 68.51 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.77000 REMARK 3 B22 (A**2) : -0.77000 REMARK 3 B33 (A**2) : 2.51000 REMARK 3 B12 (A**2) : -0.39000 REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.443 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.258 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.192 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 10.201 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.953 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.940 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1827 ; 0.008 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 1801 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2472 ; 1.267 ; 1.997 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4176 ; 0.887 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 226 ; 6.816 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 76 ;38.511 ;25.789 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 343 ;13.570 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 5 ;15.675 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 292 ; 0.065 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2011 ; 0.005 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 368 ; 0.002 ; 0.020 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 : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES REMARK 4 REMARK 4 5XNJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 31-MAY-17. REMARK 100 THE DEPOSITION ID IS D_1300003834. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-APR-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL19U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97776 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10438 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.820 REMARK 200 RESOLUTION RANGE LOW (A) : 111.930 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 6.700 REMARK 200 R MERGE (I) : 0.06700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.82 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.87 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 5.80 REMARK 200 R MERGE FOR SHELL (I) : 0.46200 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: MOLREP REMARK 200 STARTING MODEL: 5WXX REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 66.35 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.66 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% (W/V) POLYETHYLENE GLYCOL 3350, REMARK 280 0.2 MAGNESIUM CHLORIDE, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-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 29.52800 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 14.76400 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 14.76400 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 29.52800 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: 2900 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18940 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 KCAL/MOL 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 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 14.76400 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 -8 REMARK 465 GLY A -7 REMARK 465 HIS 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 MET A 0 REMARK 465 MET A 1 REMARK 465 LYS A 2 REMARK 465 THR A 3 REMARK 465 LYS A 4 REMARK 465 LYS A 232 REMARK 465 GLN A 233 REMARK 465 ALA A 234 REMARK 465 GLN A 235 REMARK 465 VAL A 236 REMARK 465 ASP A 237 REMARK 465 LEU A 238 REMARK 465 VAL A 239 REMARK 465 THR A 240 REMARK 465 ASP A 241 REMARK 465 CYS A 242 REMARK 465 HIS A 243 REMARK 465 GLN A 244 REMARK 465 PRO A 245 REMARK 465 SER A 246 REMARK 465 ASN A 247 REMARK 465 PRO A 248 REMARK 465 LYS A 249 REMARK 465 SER A 250 REMARK 465 PRO A 251 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OG SER A 153 O HOH A 401 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 GLY A 15 N - CA - C ANGL. DEV. = -15.2 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 MET A 14 53.75 -105.42 REMARK 500 SER A 59 -142.71 -83.95 REMARK 500 LYS A 61 57.08 -91.15 REMARK 500 ASN A 187 62.45 63.39 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 GLU A 301 DBREF 5XNJ A 1 251 UNP Q9RNB4 Q9RNB4_MICAE 1 251 SEQADV 5XNJ MET A -8 UNP Q9RNB4 EXPRESSION TAG SEQADV 5XNJ GLY A -7 UNP Q9RNB4 EXPRESSION TAG SEQADV 5XNJ HIS A -6 UNP Q9RNB4 EXPRESSION TAG SEQADV 5XNJ HIS A -5 UNP Q9RNB4 EXPRESSION TAG SEQADV 5XNJ HIS A -4 UNP Q9RNB4 EXPRESSION TAG SEQADV 5XNJ HIS A -3 UNP Q9RNB4 EXPRESSION TAG SEQADV 5XNJ HIS A -2 UNP Q9RNB4 EXPRESSION TAG SEQADV 5XNJ HIS A -1 UNP Q9RNB4 EXPRESSION TAG SEQADV 5XNJ MET A 0 UNP Q9RNB4 EXPRESSION TAG SEQADV 5XNJ SER A 87 UNP Q9RNB4 CYS 87 ENGINEERED MUTATION SEQADV 5XNJ SER A 195 UNP Q9RNB4 CYS 195 ENGINEERED MUTATION SEQRES 1 A 260 MET GLY HIS HIS HIS HIS HIS HIS MET MET LYS THR LYS SEQRES 2 A 260 LEU PRO ILE LEU GLY VAL LEU GLY GLY MET GLY PRO VAL SEQRES 3 A 260 VAL THR ALA GLU PHE LEU LYS SER ILE TYR GLU TYR ASN SEQRES 4 A 260 PRO PHE ILE ASP LYS GLU GLN GLU SER PRO ASN VAL ILE SEQRES 5 A 260 VAL PHE SER PHE PRO SER ALA PRO ASP ARG THR GLY SER SEQRES 6 A 260 ILE ASP SER GLY LYS GLU ARG GLU PHE ILE ASP PHE ILE SEQRES 7 A 260 GLN VAL ASN LEU GLU HIS LEU ASN LYS LEU ALA ASP CYS SEQRES 8 A 260 ILE VAL ILE GLY SER CYS THR ALA HIS TYR ALA LEU PRO SEQRES 9 A 260 GLN ILE PRO GLU ASN LEU LYS ASP LYS LEU ILE SER LEU SEQRES 10 A 260 ILE LYS ILE ALA ASP GLN GLU LEU GLN GLU TYR ASN GLU SEQRES 11 A 260 PRO THR LEU LEU LEU ALA SER THR GLY THR TYR GLN LYS SEQRES 12 A 260 LYS LEU PHE GLN GLU GLY CYS THR THR ALA ASP LEU ILE SEQRES 13 A 260 ILE SER LEU SER GLU SER ASP GLN LYS LEU ILE HIS GLU SEQRES 14 A 260 MET ILE TYR LYS VAL LEU LYS ARG GLY HIS ASP PRO LEU SEQRES 15 A 260 SER ILE LEU ARG ASP ILE GLU ALA LEU LEU GLU LYS TYR SEQRES 16 A 260 ASN THR ARG SER TYR ILE SER GLY SER THR GLU PHE HIS SEQRES 17 A 260 LEU LEU THR LYS SER LEU LYS LEU LYS GLY ILE ASP SER SEQRES 18 A 260 ILE LYS ALA ILE ASP PRO LEU SER THR ILE ALA GLN ASN SEQRES 19 A 260 PHE SER GLN LEU ILE ILE LYS GLN ALA GLN VAL ASP LEU SEQRES 20 A 260 VAL THR ASP CYS HIS GLN PRO SER ASN PRO LYS SER PRO HET GLU A 301 10 HETNAM GLU GLUTAMIC ACID FORMUL 2 GLU C5 H9 N O4 FORMUL 3 HOH *13(H2 O) HELIX 1 AA1 GLY A 15 TYR A 29 1 15 HELIX 2 AA2 LYS A 35 SER A 39 5 5 HELIX 3 AA3 ASP A 52 SER A 59 1 8 HELIX 4 AA4 LYS A 61 ALA A 80 1 20 HELIX 5 AA5 CYS A 88 ILE A 97 5 10 HELIX 6 AA6 PRO A 98 ASP A 103 5 6 HELIX 7 AA7 SER A 107 ASN A 120 1 14 HELIX 8 AA8 SER A 128 LYS A 134 1 7 HELIX 9 AA9 LYS A 135 CYS A 141 1 7 HELIX 10 AB1 THR A 143 ASP A 145 5 3 HELIX 11 AB2 SER A 151 VAL A 165 1 15 HELIX 12 AB3 ASP A 171 SER A 174 5 4 HELIX 13 AB4 ILE A 175 TYR A 186 1 12 HELIX 14 AB5 GLU A 197 GLY A 209 1 13 HELIX 15 AB6 ASP A 217 ASN A 225 1 9 HELIX 16 AB7 ASN A 225 ILE A 230 1 6 SHEET 1 AA1 3 ASN A 41 SER A 46 0 SHEET 2 AA1 3 ILE A 7 GLY A 12 1 N VAL A 10 O ILE A 43 SHEET 3 AA1 3 CYS A 82 ILE A 85 1 O VAL A 84 N LEU A 11 SHEET 1 AA2 4 ILE A 147 SER A 149 0 SHEET 2 AA2 4 THR A 123 LEU A 126 1 N THR A 123 O ILE A 148 SHEET 3 AA2 4 SER A 190 SER A 193 1 O SER A 190 N LEU A 124 SHEET 4 AA2 4 LYS A 214 ILE A 216 1 O ILE A 216 N TYR A 191 SITE 1 AC1 10 MET A 14 ARG A 53 SER A 87 CYS A 88 SITE 2 AC1 10 THR A 89 LYS A 167 SER A 195 THR A 196 SITE 3 AC1 10 GLU A 197 HOH A 413 CRYST1 129.247 129.247 44.292 90.00 90.00 120.00 P 32 2 1 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 0.007737 0.004467 0.000000 0.00000 SCALE2 0.000000 0.008934 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022577 0.00000