HEADER SIGNALING PROTEIN 04-JUN-20 6XAB TITLE STRUCTURE OF THE ACETATE-BOUND FORM OF ARRX FROM CHRYSIOGENES TITLE 2 ARSENATIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: ARRX; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CHRYSIOGENES ARSENATIS; SOURCE 3 ORGANISM_TAXID: 309797; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PERIPLASMIC BINDING PROTEIN, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.J.MAHER,N.PODDAR REVDAT 3 18-OCT-23 6XAB 1 REMARK REVDAT 2 24-FEB-21 6XAB 1 JRNL REVDAT 1 17-FEB-21 6XAB 0 JRNL AUTH N.PODDAR,C.BADILLA,S.MAGHOOL,T.H.OSBORNE,J.M.SANTINI, JRNL AUTH 2 M.J.MAHER JRNL TITL STRUCTURAL AND FUNCTIONAL INVESTIGATION OF THE PERIPLASMIC JRNL TITL 2 ARSENATE-BINDING PROTEIN ARRX FROM CHRYSIOGENES ARSENATIS . JRNL REF BIOCHEMISTRY V. 60 465 2021 JRNL REFN ISSN 0006-2960 JRNL PMID 33538578 JRNL DOI 10.1021/ACS.BIOCHEM.0C00555 REMARK 2 REMARK 2 RESOLUTION. 1.78 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0253 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) : 1.78 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.67 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 96.4 REMARK 3 NUMBER OF REFLECTIONS : 22438 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.189 REMARK 3 FREE R VALUE : 0.222 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.932 REMARK 3 FREE R VALUE TEST SET COUNT : 1164 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) : 1.78 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.83 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1571 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.36 REMARK 3 BIN R VALUE (WORKING SET) : 0.2910 REMARK 3 BIN FREE R VALUE SET COUNT : 68 REMARK 3 BIN FREE R VALUE : 0.2590 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2019 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 115 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.41 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.25500 REMARK 3 B22 (A**2) : -1.65400 REMARK 3 B33 (A**2) : -0.29800 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.14900 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.138 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.126 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.116 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.940 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.961 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.941 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2108 ; 0.005 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 1975 ; 0.001 ; 0.017 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2870 ; 1.316 ; 1.646 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4563 ; 1.237 ; 1.567 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 266 ; 6.076 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 123 ;31.513 ;20.569 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 353 ;12.940 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 21 ;13.549 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 274 ; 0.060 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2391 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 484 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 421 ; 0.194 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 55 ; 0.151 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1040 ; 0.161 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 106 ; 0.164 ; 0.200 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): 1030 ; 1.534 ; 2.794 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1028 ; 1.522 ; 2.791 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1288 ; 2.307 ; 4.179 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1289 ; 2.307 ; 4.182 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1078 ; 2.250 ; 3.167 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1079 ; 2.249 ; 3.166 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1575 ; 3.588 ; 4.619 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1576 ; 3.586 ; 4.619 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 : BABINET MODEL PLUS 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: HYDROGENS HAVE BEEN ADDED IN THEIR REMARK 3 RIDING POSITIONS REMARK 4 REMARK 4 6XAB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-JUN-20. REMARK 100 THE DEPOSITION ID IS D_1000249802. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-MAR-19 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 : AUSTRALIAN SYNCHROTRON REMARK 200 BEAMLINE : MX2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.953 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23640 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.780 REMARK 200 RESOLUTION RANGE LOW (A) : 40.670 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 200 DATA REDUNDANCY : 2.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 4.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.78 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.82 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: 6X6B REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM ACETATE, 0.1 M TRIS PH REMARK 280 7.5, 20% (W/V) PEG 3350, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 26.46350 REMARK 290 SMTRY3 2 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: 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 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 HIS A 6 REMARK 465 HIS A 7 REMARK 465 HIS A 8 REMARK 465 HIS A 9 REMARK 465 HIS A 10 REMARK 465 HIS A 11 REMARK 465 ASP A 12 REMARK 465 TYR A 13 REMARK 465 ASP A 14 REMARK 465 ILE A 15 REMARK 465 PRO A 16 REMARK 465 THR A 17 REMARK 465 THR A 18 REMARK 465 GLU A 19 REMARK 465 ASN A 20 REMARK 465 LEU A 21 REMARK 465 TYR A 22 REMARK 465 PHE A 23 REMARK 465 GLN A 24 REMARK 465 GLY A 25 REMARK 465 ALA A 26 REMARK 465 MET A 27 REMARK 465 GLY A 28 REMARK 465 SER A 29 REMARK 465 SER A 30 REMARK 465 VAL A 31 REMARK 465 LYS A 32 REMARK 465 PRO A 33 REMARK 465 ILE A 34 REMARK 465 PRO A 35 REMARK 465 VAL A 36 REMARK 465 ASP A 37 REMARK 465 LEU A 38 REMARK 465 SER A 39 REMARK 465 GLU A 40 REMARK 465 ARG A 41 REMARK 465 SER A 42 REMARK 465 THR A 43 REMARK 465 ARG A 44 REMARK 465 LEU A 45 REMARK 465 ALA A 46 REMARK 465 THR A 47 REMARK 465 VAL A 48 REMARK 465 ASP A 49 REMARK 465 SER A 50 REMARK 465 PRO A 51 REMARK 465 GLY A 52 REMARK 465 GLU A 307 REMARK 465 VAL A 308 REMARK 465 VAL A 309 REMARK 465 GLU A 310 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 510 O HOH A 514 2657 2.19 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 PRO A 136 48.09 -85.23 REMARK 500 THR A 164 -80.88 -96.60 REMARK 500 HIS A 172 -64.57 -165.04 REMARK 500 SER A 198 116.47 -162.25 REMARK 500 REMARK 500 REMARK: NULL DBREF 6XAB A 6 310 PDB 6XAB 6XAB 6 310 SEQRES 1 A 305 HIS HIS HIS HIS HIS HIS ASP TYR ASP ILE PRO THR THR SEQRES 2 A 305 GLU ASN LEU TYR PHE GLN GLY ALA MET GLY SER SER VAL SEQRES 3 A 305 LYS PRO ILE PRO VAL ASP LEU SER GLU ARG SER THR ARG SEQRES 4 A 305 LEU ALA THR VAL ASP SER PRO GLY VAL PHE ARG VAL ALA SEQRES 5 A 305 VAL SER SER MET ILE SER PRO LEU GLU THR MET LYS GLY SEQRES 6 A 305 TYR GLY PRO VAL LEU SER TYR ILE GLU GLN GLN THR GLY SEQRES 7 A 305 ARG LYS VAL GLU LEU VAL GLN ARG ARG THR TYR ARG GLU SEQRES 8 A 305 VAL ASN GLU LEU ILE ARG GLU ASN LYS ILE ASP LEU ALA SEQRES 9 A 305 PHE ILE CYS THR TYR SER PHE VAL GLU ALA GLU LEU PHE SEQRES 10 A 305 GLY ALA ARG PRO VAL ALA VAL PRO GLN VAL GLU GLY ASN SEQRES 11 A 305 PRO TYR TYR GLN ALA VAL VAL ILE THR ARG ARG ASP SER SEQRES 12 A 305 GLY ILE ASN SER LEU GLU GLU LEU ARG ASN LYS ARG PHE SEQRES 13 A 305 ALA PHE THR ASP PRO MET SER PHE SER GLY HIS ILE ALA SEQRES 14 A 305 LEU ARG GLY GLU LEU VAL LYS VAL ASP ARG THR PRO GLU SEQRES 15 A 305 THR PHE PHE ALA SER THR PHE TYR THR TYR SER HIS ASP SEQRES 16 A 305 ASN SER LEU ARG ALA VAL TYR ASP GLY ILE VAL ASP GLY SEQRES 17 A 305 ALA THR ILE ASP SER LEU VAL PHE ARG SER SER ASN ILE SEQRES 18 A 305 LEU TYR PRO GLU ILE GLY ALA ALA LEU GLN VAL VAL HIS SEQRES 19 A 305 VAL SER PRO LEU VAL GLY ALA PRO PRO VAL VAL VAL SER SEQRES 20 A 305 PRO GLY LEU SER GLU GLU ASP TYR GLN LEU ILE ARG ARG SEQRES 21 A 305 ALA PHE LEU ASN MET HIS ASN GLU PRO LEU GLY LYS GLN SEQRES 22 A 305 ALA LEU ASP THR LEU PHE ILE ASP ARG PHE VAL MET VAL SEQRES 23 A 305 ASN SER GLY HIS TYR ASP TYR ILE ARG GLU ILE ALA GLY SEQRES 24 A 305 LYS ILE GLU VAL VAL GLU HET ACT A 401 4 HETNAM ACT ACETATE ION FORMUL 2 ACT C2 H3 O2 1- FORMUL 3 HOH *115(H2 O) HELIX 1 AA1 TYR A 71 GLY A 83 1 13 HELIX 2 AA2 THR A 93 GLU A 103 1 11 HELIX 3 AA3 CYS A 112 PHE A 122 1 11 HELIX 4 AA4 LEU A 153 ARG A 157 5 5 HELIX 5 AA5 HIS A 172 LYS A 181 1 10 HELIX 6 AA6 THR A 185 PHE A 190 1 6 HELIX 7 AA7 SER A 198 ASP A 208 1 11 HELIX 8 AA8 SER A 218 TYR A 228 1 11 HELIX 9 AA9 TYR A 228 ALA A 234 1 7 HELIX 10 AB1 SER A 256 ASN A 269 1 14 HELIX 11 AB2 MET A 270 ASN A 272 5 3 HELIX 12 AB3 GLU A 273 LEU A 283 1 11 HELIX 13 AB4 ASN A 292 HIS A 295 5 4 HELIX 14 AB5 TYR A 296 ILE A 306 1 11 SHEET 1 AA1 6 VAL A 86 ARG A 91 0 SHEET 2 AA1 6 PHE A 54 SER A 59 1 N VAL A 56 O VAL A 89 SHEET 3 AA1 6 LEU A 108 PHE A 110 1 O LEU A 108 N ALA A 57 SHEET 4 AA1 6 VAL A 249 VAL A 251 -1 O VAL A 250 N ALA A 109 SHEET 5 AA1 6 ARG A 125 GLN A 131 -1 N VAL A 127 O VAL A 249 SHEET 6 AA1 6 ARG A 287 VAL A 289 -1 O VAL A 289 N VAL A 129 SHEET 1 AA2 2 TYR A 137 TYR A 138 0 SHEET 2 AA2 2 VAL A 244 GLY A 245 -1 O VAL A 244 N TYR A 138 SHEET 1 AA3 4 PHE A 161 ALA A 162 0 SHEET 2 AA3 4 GLY A 213 ASP A 217 1 O GLY A 213 N ALA A 162 SHEET 3 AA3 4 ALA A 140 ARG A 145 -1 N VAL A 141 O ILE A 216 SHEET 4 AA3 4 LEU A 235 VAL A 240 -1 O HIS A 239 N VAL A 142 CRYST1 46.663 52.927 54.967 90.00 108.36 90.00 P 1 21 1 2 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 0.021430 0.000000 0.007113 0.00000 SCALE2 0.000000 0.018894 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019169 0.00000