HEADER SIGNALING PROTEIN 25-FEB-25 9NIA TITLE CRYSTAL STRUCTURE OF VIBRIO CHOLERAE CQSR BOUND TO ETHANOLAMINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: HISTIDINE KINASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 44-260 (46-262 UNIPROT NUMBERING); COMPND 5 EC: 2.7.13.3; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIBRIO CHOLERAE; SOURCE 3 ORGANISM_TAXID: 948564; SOURCE 4 STRAIN: C6706; SOURCE 5 GENE: VC_1831; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS QUORUM-SENSING RECEPTOR, DOUBLE CACHE DOMAIN, PERIPLASMIC LIGAND- KEYWDS 2 BINDING RECEPTOR, 2-AMINO ALCOHOL RECEPTOR, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.M.GUARNACCIA,G.C.CAPODAGLI,M.B.NEIDITCH REVDAT 2 17-SEP-25 9NIA 1 JRNL REVDAT 1 02-JUL-25 9NIA 0 JRNL AUTH A.M.GUARNACCIA,A.D.STEENHAUT,S.D.OLENIC,J.NA,L.J.PEREZ, JRNL AUTH 2 W.L.NG,M.B.NEIDITCH JRNL TITL STRUCTURE-FUNCTION STUDIES OF VIBRIO CHOLERAE QUORUM-SENSING JRNL TITL 2 RECEPTOR CQSR SIGNAL RECOGNITION. JRNL REF PLOS PATHOG. V. 21 13447 2025 JRNL REFN ESSN 1553-7374 JRNL PMID 40906767 JRNL DOI 10.1371/JOURNAL.PPAT.1013447 REMARK 2 REMARK 2 RESOLUTION. 1.55 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.21.2_5419 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.55 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.52 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 38730 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.184 REMARK 3 R VALUE (WORKING SET) : 0.183 REMARK 3 FREE R VALUE : 0.208 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.160 REMARK 3 FREE R VALUE TEST SET COUNT : 1999 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 38.5200 - 3.7300 1.00 2792 153 0.1593 0.1791 REMARK 3 2 3.7300 - 2.9600 1.00 2683 145 0.1853 0.1916 REMARK 3 3 2.9600 - 2.5900 1.00 2649 144 0.1898 0.2765 REMARK 3 4 2.5900 - 2.3500 1.00 2638 143 0.1909 0.1951 REMARK 3 5 2.3500 - 2.1800 1.00 2633 144 0.1816 0.2280 REMARK 3 6 2.1800 - 2.0500 1.00 2607 142 0.1782 0.1952 REMARK 3 7 2.0500 - 1.9500 1.00 2604 141 0.1825 0.2008 REMARK 3 8 1.9500 - 1.8700 1.00 2598 141 0.1929 0.2285 REMARK 3 9 1.8700 - 1.7900 1.00 2598 142 0.2070 0.2347 REMARK 3 10 1.7900 - 1.7300 1.00 2606 142 0.2054 0.2130 REMARK 3 11 1.7300 - 1.6800 1.00 2593 141 0.2111 0.2107 REMARK 3 12 1.6800 - 1.6300 1.00 2580 140 0.2197 0.2149 REMARK 3 13 1.6300 - 1.5900 1.00 2600 142 0.2431 0.2710 REMARK 3 14 1.5900 - 1.5500 1.00 2550 139 0.2971 0.3287 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.170 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.110 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.010 1770 REMARK 3 ANGLE : 0.933 2419 REMARK 3 CHIRALITY : 0.062 265 REMARK 3 PLANARITY : 0.010 318 REMARK 3 DIHEDRAL : 15.608 638 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 18.1534 0.5449 -16.5362 REMARK 3 T TENSOR REMARK 3 T11: 0.1152 T22: 0.1934 REMARK 3 T33: 0.2904 T12: 0.0029 REMARK 3 T13: -0.0245 T23: 0.0339 REMARK 3 L TENSOR REMARK 3 L11: 1.5343 L22: 0.4965 REMARK 3 L33: 3.1002 L12: 0.0464 REMARK 3 L13: -0.6628 L23: -0.5390 REMARK 3 S TENSOR REMARK 3 S11: 0.0500 S12: 0.2032 S13: 0.1593 REMARK 3 S21: -0.0206 S22: -0.0859 S23: -0.0046 REMARK 3 S31: -0.0333 S32: 0.2944 S33: 0.0261 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9NIA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-FEB-25. REMARK 100 THE DEPOSITION ID IS D_1000293369. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-FEB-24 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 9.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97946 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-3000 REMARK 200 DATA SCALING SOFTWARE : HKL-3000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38762 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.550 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 12.60 REMARK 200 R MERGE (I) : 0.08500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 5.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 8.30 REMARK 200 R MERGE FOR SHELL (I) : 1.40300 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.69 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.8 M LITHIUM CHLORIDE, 0.1 M BICINE REMARK 280 PH 9.0, 10% PEG 6000, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 3555 -Y,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X,Z+3/4 REMARK 290 5555 -X+1/2,Y,-Z+3/4 REMARK 290 6555 X,-Y+1/2,-Z+1/4 REMARK 290 7555 Y+1/2,X+1/2,-Z+1/2 REMARK 290 8555 -Y,-X,-Z REMARK 290 9555 X+1/2,Y+1/2,Z+1/2 REMARK 290 10555 -X,-Y,Z REMARK 290 11555 -Y+1/2,X,Z+3/4 REMARK 290 12555 Y,-X+1/2,Z+1/4 REMARK 290 13555 -X,Y+1/2,-Z+1/4 REMARK 290 14555 X+1/2,-Y,-Z+3/4 REMARK 290 15555 Y,X,-Z REMARK 290 16555 -Y+1/2,-X+1/2,-Z+1/2 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 60.90550 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 60.90550 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 35.35550 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 60.90550 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 17.67775 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 60.90550 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 53.03325 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 60.90550 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 53.03325 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 60.90550 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 17.67775 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 60.90550 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 60.90550 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 35.35550 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 1.000000 0.000000 0.000000 60.90550 REMARK 290 SMTRY2 9 0.000000 1.000000 0.000000 60.90550 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 35.35550 REMARK 290 SMTRY1 10 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 11 0.000000 -1.000000 0.000000 60.90550 REMARK 290 SMTRY2 11 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 1.000000 53.03325 REMARK 290 SMTRY1 12 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 12 -1.000000 0.000000 0.000000 60.90550 REMARK 290 SMTRY3 12 0.000000 0.000000 1.000000 17.67775 REMARK 290 SMTRY1 13 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 60.90550 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 17.67775 REMARK 290 SMTRY1 14 1.000000 0.000000 0.000000 60.90550 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 53.03325 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 15 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 60.90550 REMARK 290 SMTRY2 16 -1.000000 0.000000 0.000000 60.90550 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 35.35550 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 426 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 528 LIES ON A SPECIAL POSITION. 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 THR A 128 REMARK 465 ASP A 129 REMARK 465 GLY A 130 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 ARG A 148 CZ ARG A 148 NH1 0.117 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 ASP A 120 46.57 -140.43 REMARK 500 REMARK 500 REMARK: NULL DBREF 9NIA A 44 260 UNP Q9KR16 Q9KR16_VIBCH 46 262 SEQRES 1 A 217 ASN ASN LEU ALA LEU ARG ALA GLU LEU LEU ALA THR GLN SEQRES 2 A 217 ILE ARG GLU PRO LEU ASN ASN SER ILE GLY VAL LEU GLN SEQRES 3 A 217 SER LEU THR SER ILE GLY LYS SER ALA ALA ASP LYS GLU SEQRES 4 A 217 GLU GLN GLU ARG MET LEU ARG SER LEU PHE SER VAL VAL SEQRES 5 A 217 GLY GLY VAL ILE ILE SER GLY GLY LEU TRP PRO GLU PRO SEQRES 6 A 217 ASN LEU SER ALA THR ASP PRO SER LEU ARG TYR ASP SER SEQRES 7 A 217 LEU PHE PHE ASN LYS ALA THR ASP GLY GLN VAL ASP GLN SEQRES 8 A 217 LEU SER SER TRP ASN ASN PRO LYS ALA GLY GLY TYR ASP SEQRES 9 A 217 ARG GLU SER TRP TYR LEU ALA ALA GLU ARG GLU ALA GLU SEQRES 10 A 217 GLY LEU TYR PHE TRP SER PRO VAL TYR VAL ASP PRO TYR SEQRES 11 A 217 THR ARG VAL GLU MET ILE THR VAL SER THR PRO TYR TYR SEQRES 12 A 217 ARG ASN GLY GLN PHE ALA GLY VAL ALA THR VAL ASP LEU SEQRES 13 A 217 SER LEU GLU SER LEU ILE GLN PHE VAL ALA ALA THR ALA SEQRES 14 A 217 GLU GLN TYR ASN LEU GLY VAL ASN LEU LYS ASP ALA PHE SEQRES 15 A 217 GLY VAL GLU VAL VAL SER HIS ASN PHE ARG THR TYR ASP SEQRES 16 A 217 ASN ALA LEU VAL SER TYR TYR SER PHE GLY GLU PHE ASN SEQRES 17 A 217 TRP GLN ILE GLU VAL VAL ASN ALA ASN HET CL A 301 1 HET ETA A 302 11 HETNAM CL CHLORIDE ION HETNAM ETA ETHANOLAMINE FORMUL 2 CL CL 1- FORMUL 3 ETA C2 H7 N O FORMUL 4 HOH *137(H2 O) HELIX 1 AA1 ASN A 45 SER A 77 1 33 HELIX 2 AA2 ASP A 80 VAL A 95 1 16 HELIX 3 AA3 ASP A 114 ARG A 118 5 5 HELIX 4 AA4 SER A 136 GLY A 144 5 9 HELIX 5 AA5 GLU A 149 ALA A 154 1 6 HELIX 6 AA6 LEU A 201 TYR A 215 1 15 SHEET 1 AA1 6 ASP A 133 LEU A 135 0 SHEET 2 AA1 6 LEU A 122 ASN A 125 -1 N PHE A 123 O LEU A 135 SHEET 3 AA1 6 ILE A 99 PRO A 106 -1 N LEU A 104 O LEU A 122 SHEET 4 AA1 6 GLN A 190 SER A 200 -1 O ASP A 198 N SER A 101 SHEET 5 AA1 6 GLU A 177 ARG A 187 -1 N ILE A 179 O LEU A 199 SHEET 6 AA1 6 PHE A 164 TRP A 165 -1 N PHE A 164 O SER A 182 SHEET 1 AA2 6 ASP A 133 LEU A 135 0 SHEET 2 AA2 6 LEU A 122 ASN A 125 -1 N PHE A 123 O LEU A 135 SHEET 3 AA2 6 ILE A 99 PRO A 106 -1 N LEU A 104 O LEU A 122 SHEET 4 AA2 6 GLN A 190 SER A 200 -1 O ASP A 198 N SER A 101 SHEET 5 AA2 6 GLU A 177 ARG A 187 -1 N ILE A 179 O LEU A 199 SHEET 6 AA2 6 TYR A 169 VAL A 170 -1 N TYR A 169 O MET A 178 SHEET 1 AA3 4 GLU A 228 HIS A 232 0 SHEET 2 AA3 4 LEU A 217 LYS A 222 -1 N LEU A 221 O VAL A 230 SHEET 3 AA3 4 TRP A 252 ASN A 258 -1 O VAL A 257 N GLY A 218 SHEET 4 AA3 4 SER A 243 PHE A 247 -1 N SER A 243 O VAL A 256 CRYST1 121.811 121.811 70.711 90.00 90.00 90.00 I 41 2 2 16 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 0.008209 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008209 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014142 0.00000 CONECT 3384 3385 3386 3389 3390 CONECT 3385 3384 3388 3391 CONECT 3386 3384 3387 3392 3393 CONECT 3387 3386 3394 CONECT 3388 3385 CONECT 3389 3384 CONECT 3390 3384 CONECT 3391 3385 CONECT 3392 3386 CONECT 3393 3386 CONECT 3394 3387 MASTER 320 0 2 6 16 0 0 6 1836 1 11 17 END