HEADER IRON BINDING PROTEIN 28-OCT-04 1XVY TITLE CRYSTAL STRUCTURE OF IRON-FREE SERRATIA MARCESCENS SFUA COMPND MOL_ID: 1; COMPND 2 MOLECULE: SFUA; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: YERSINIA ENTEROCOLITICA; SOURCE 3 ORGANISM_TAXID: 630; SOURCE 4 GENE: SFUA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)/PLYSS; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PT7-7 KEYWDS PERIPLASMIC IRON BINDING PROTEIN, IRON BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.R.SHOULDICE,D.E.MCREE,D.R.DOUGAN,L.W.TARI,A.B.SCHRYVERS REVDAT 5 23-AUG-23 1XVY 1 REMARK REVDAT 4 24-FEB-09 1XVY 1 VERSN REVDAT 3 01-MAR-05 1XVY 1 JRNL REVDAT 2 08-FEB-05 1XVY 1 JRNL REVDAT 1 14-DEC-04 1XVY 0 JRNL AUTH S.R.SHOULDICE,D.E.MCREE,D.R.DOUGAN,L.W.TARI,A.B.SCHRYVERS JRNL TITL NOVEL ANION-INDEPENDENT IRON COORDINATION BY MEMBERS OF A JRNL TITL 2 THIRD CLASS OF BACTERIAL PERIPLASMIC FERRIC ION-BINDING JRNL TITL 3 PROTEINS JRNL REF J.BIOL.CHEM. V. 280 5820 2005 JRNL REFN ISSN 0021-9258 JRNL PMID 15576371 JRNL DOI 10.1074/JBC.M411238200 REMARK 2 REMARK 2 RESOLUTION. 1.74 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 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) : 1.74 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.63 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 26494 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) : 0.165 REMARK 3 R VALUE (WORKING SET) : 0.162 REMARK 3 FREE R VALUE : 0.209 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1414 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) : 1.74 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.79 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1917 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.56 REMARK 3 BIN R VALUE (WORKING SET) : 0.2950 REMARK 3 BIN FREE R VALUE SET COUNT : 85 REMARK 3 BIN FREE R VALUE : 0.4940 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2334 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 13 REMARK 3 SOLVENT ATOMS : 424 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.73 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.37000 REMARK 3 B22 (A**2) : 0.03000 REMARK 3 B33 (A**2) : -0.01000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.47000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.123 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.121 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.077 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.344 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.959 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.933 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2397 ; 0.013 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3255 ; 1.304 ; 1.957 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 306 ; 5.585 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 99 ;33.750 ;25.556 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 394 ;12.289 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 6 ;12.901 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 362 ; 0.086 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1813 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1330 ; 0.203 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1684 ; 0.301 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 264 ; 0.117 ; 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): 54 ; 0.228 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 31 ; 0.153 ; 0.200 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): 1556 ; 0.721 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2430 ; 1.135 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 965 ; 2.240 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 825 ; 3.437 ; 4.500 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 : 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: NULL REMARK 4 REMARK 4 1XVY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-NOV-04. REMARK 100 THE DEPOSITION ID IS D_1000030827. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUL-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.0 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 : OSMIC REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK REMARK 200 DATA SCALING SOFTWARE : CCP4 (TRUNCATE) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27910 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.740 REMARK 200 RESOLUTION RANGE LOW (A) : 24.880 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.74 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.6 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: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1XVX REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.64 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: LITHIUM CHLORIDE, PEG 6000, CITRIC REMARK 280 ACID, PH 4.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 273K 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 32.69600 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 ASP A 1 REMARK 465 GLN A 2 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 651 O HOH A 761 2555 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 LYS A 203 -112.41 -98.66 REMARK 500 LYS A 217 -160.11 58.16 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 CIT A 510 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1XVX RELATED DB: PDB REMARK 900 IRON-LOADED YERSINIA ENTEROCOLITICA YFUA DBREF 1XVY A 1 309 UNP P21408 FBPA_SERMA 30 338 SEQRES 1 A 309 ASP GLN GLY ILE VAL ILE TYR ASN ALA GLN HIS GLU ASN SEQRES 2 A 309 LEU VAL LYS SER TRP VAL ASP GLY PHE THR LYS ASP THR SEQRES 3 A 309 GLY ILE LYS VAL THR LEU ARG ASN GLY GLY ASP SER GLU SEQRES 4 A 309 LEU GLY ASN GLN LEU VAL GLN GLU GLY SER ALA SER PRO SEQRES 5 A 309 ALA ASP VAL PHE LEU THR GLU ASN SER PRO ALA MET VAL SEQRES 6 A 309 LEU VAL ASP ASN ALA LYS LEU PHE ALA PRO LEU ASP ALA SEQRES 7 A 309 ALA THR LEU ALA GLN VAL GLU PRO GLN TYR ARG PRO SER SEQRES 8 A 309 HIS GLY ARG TRP ILE GLY ILE ALA ALA ARG SER THR VAL SEQRES 9 A 309 PHE VAL TYR ASN PRO ALA LYS LEU SER ASP ALA GLN LEU SEQRES 10 A 309 PRO LYS SER LEU LEU ASP LEU ALA LYS PRO GLU TRP LYS SEQRES 11 A 309 GLY ARG TRP ALA ALA SER PRO SER GLY ALA ASP PHE GLN SEQRES 12 A 309 ALA ILE VAL SER ALA LEU LEU GLU LEU LYS GLY GLU LYS SEQRES 13 A 309 ALA THR LEU ALA TRP LEU LYS ALA MET LYS THR ASN PHE SEQRES 14 A 309 THR ALA TYR LYS GLY ASN SER THR VAL MET LYS ALA VAL SEQRES 15 A 309 ASN ALA GLY GLN VAL ASP SER GLY VAL ILE TYR HIS TYR SEQRES 16 A 309 TYR PRO PHE VAL ASP GLY ALA LYS THR GLY GLU ASN SER SEQRES 17 A 309 ASN ASN ILE LYS LEU TYR TYR PHE LYS HIS GLN ASP PRO SEQRES 18 A 309 GLY ALA PHE VAL SER ILE SER GLY GLY GLY VAL LEU ALA SEQRES 19 A 309 SER SER LYS HIS GLN GLN GLN ALA GLN ALA PHE ILE LYS SEQRES 20 A 309 TRP ILE THR GLY LYS GLN GLY GLN GLU ILE LEU ARG THR SEQRES 21 A 309 ASN ASN ALA PHE GLU TYR ALA VAL GLY VAL GLY ALA ALA SEQRES 22 A 309 SER ASN PRO LYS LEU VAL PRO LEU LYS ASP LEU ASP ALA SEQRES 23 A 309 PRO LYS VAL ASP ALA ALA GLN LEU ASN SER LYS LYS VAL SEQRES 24 A 309 VAL GLU LEU MET THR GLU ALA GLY LEU LEU HET CIT A 510 13 HETNAM CIT CITRIC ACID FORMUL 2 CIT C6 H8 O7 FORMUL 3 HOH *424(H2 O) HELIX 1 1 HIS A 11 GLY A 27 1 17 HELIX 2 2 GLY A 36 GLY A 48 1 13 HELIX 3 3 SER A 49 SER A 51 5 3 HELIX 4 4 SER A 61 ALA A 70 1 10 HELIX 5 5 ASP A 77 ALA A 82 1 6 HELIX 6 6 GLN A 83 VAL A 84 5 2 HELIX 7 7 GLU A 85 ARG A 89 5 5 HELIX 8 8 SER A 113 LEU A 117 5 5 HELIX 9 9 SER A 120 LYS A 130 5 11 HELIX 10 10 GLY A 139 ASN A 168 1 30 HELIX 11 11 GLY A 174 ALA A 184 1 11 HELIX 12 12 HIS A 194 LYS A 203 1 10 HELIX 13 13 ASP A 220 ALA A 223 5 4 HELIX 14 14 HIS A 238 GLY A 251 1 14 HELIX 15 15 GLY A 251 ASN A 261 1 11 HELIX 16 16 PRO A 280 ASP A 285 5 6 HELIX 17 17 ASP A 290 LEU A 294 5 5 HELIX 18 18 ASN A 295 ALA A 306 1 12 SHEET 1 A 8 VAL A 30 ASN A 34 0 SHEET 2 A 8 ILE A 4 ASN A 8 1 N ILE A 6 O THR A 31 SHEET 3 A 8 VAL A 55 LEU A 57 1 O VAL A 55 N TYR A 7 SHEET 4 A 8 VAL A 225 VAL A 232 -1 O GLY A 231 N PHE A 56 SHEET 5 A 8 ILE A 96 TYR A 107 -1 N ALA A 99 O SER A 228 SHEET 6 A 8 SER A 189 TYR A 193 -1 O GLY A 190 N VAL A 106 SHEET 7 A 8 TRP A 133 ALA A 135 1 N ALA A 134 O VAL A 191 SHEET 8 A 8 PHE A 169 ALA A 171 1 O THR A 170 N TRP A 133 SHEET 1 B 6 VAL A 30 ASN A 34 0 SHEET 2 B 6 ILE A 4 ASN A 8 1 N ILE A 6 O THR A 31 SHEET 3 B 6 VAL A 55 LEU A 57 1 O VAL A 55 N TYR A 7 SHEET 4 B 6 VAL A 225 VAL A 232 -1 O GLY A 231 N PHE A 56 SHEET 5 B 6 ILE A 96 TYR A 107 -1 N ALA A 99 O SER A 228 SHEET 6 B 6 LYS A 212 TYR A 214 -1 O TYR A 214 N PHE A 105 SITE 1 AC1 10 HIS A 11 GLU A 59 SER A 176 TYR A 196 SITE 2 AC1 10 HOH A 583 HOH A 624 HOH A 719 HOH A 788 SITE 3 AC1 10 HOH A 811 HOH A 884 CRYST1 46.046 65.392 50.266 90.00 111.90 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 0.021717 0.000000 0.008731 0.00000 SCALE2 0.000000 0.015293 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021442 0.00000