HEADER HYDROLASE 05-JAN-15 4XHB TITLE CRYSTAL STRUCTURE OF THE NANB SIALIDASE FROM STREPTOCOCCUS PNEUMONIAE TITLE 2 IN COMPLEX WITH PENTANEDIOL AND CHES COMPND MOL_ID: 1; COMPND 2 MOLECULE: SIALIDASE B; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 39-696; COMPND 5 SYNONYM: NEURAMINIDASE B; COMPND 6 EC: 3.2.1.18; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOCOCCUS PNEUMONIAE SEROTYPE 4 (STRAIN SOURCE 3 ATCC BAA-334 / TIGR4); SOURCE 4 ORGANISM_TAXID: 170187; SOURCE 5 STRAIN: ATCC BAA-334 / TIGR4; SOURCE 6 GENE: NANB, SP_1687; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET23B KEYWDS HYDROLASE, INTRAMOLECULAR TRANS-SIALIDASE, GLYCOSIDASE, DRUG DESIGN, KEYWDS 2 NEURAMINIDASE, ALLOSTERIC INHIBITOR, SERENDIPITOUS ALLOSTERIC SITES, KEYWDS 3 CRYSTALLIZATION ARTEFACTS EXPDTA X-RAY DIFFRACTION AUTHOR P.BREAR REVDAT 1 27-JAN-16 4XHB 0 JRNL AUTH G.W.ROGERS,P.BREAR,L.YANG,A.S.CHEN,J.B.O.MITCHELL, JRNL AUTH 2 G.L.TAYLOR,N.J.WESTWOOD JRNL TITL THE HUNT FOR SERENDIPITOUS ALLOSTERIC SITES: DISCOVERY OF A JRNL TITL 2 NOVEL ALLOSTERIC INHIBITOR OF THE BACTERIAL SIALIDASE NANB JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.88 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 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) : 1.88 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 9.98 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.0 REMARK 3 NUMBER OF REFLECTIONS : 55149 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.152 REMARK 3 R VALUE (WORKING SET) : 0.150 REMARK 3 FREE R VALUE : 0.187 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.890 REMARK 3 FREE R VALUE TEST SET COUNT : 2699 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 9.9807 - 4.8302 0.81 2592 135 0.1610 0.1690 REMARK 3 2 4.8302 - 3.9090 0.85 2668 131 0.1327 0.1529 REMARK 3 3 3.9090 - 3.4380 0.87 2671 134 0.1372 0.1565 REMARK 3 4 3.4380 - 3.1343 0.87 2672 129 0.1432 0.1705 REMARK 3 5 3.1343 - 2.9157 0.89 2709 150 0.1542 0.1813 REMARK 3 6 2.9157 - 2.7476 0.91 2732 153 0.1588 0.1798 REMARK 3 7 2.7476 - 2.6125 0.91 2765 151 0.1590 0.2082 REMARK 3 8 2.6125 - 2.5007 0.92 2773 135 0.1634 0.1934 REMARK 3 9 2.5007 - 2.4058 0.92 2806 151 0.1594 0.2278 REMARK 3 10 2.4058 - 2.3239 0.93 2810 129 0.1583 0.2249 REMARK 3 11 2.3239 - 2.2521 0.93 2761 164 0.1536 0.1886 REMARK 3 12 2.2521 - 2.1884 0.93 2826 135 0.1532 0.2492 REMARK 3 13 2.1884 - 2.1313 0.93 2808 142 0.1526 0.2203 REMARK 3 14 2.1313 - 2.0798 0.93 2794 149 0.1462 0.1932 REMARK 3 15 2.0798 - 2.0329 0.94 2811 153 0.1478 0.2016 REMARK 3 16 2.0329 - 1.9900 0.94 2847 122 0.1451 0.2094 REMARK 3 17 1.9900 - 1.9505 0.94 2787 154 0.1461 0.1960 REMARK 3 18 1.9505 - 1.9140 0.94 2799 146 0.1432 0.2185 REMARK 3 19 1.9140 - 1.8800 0.94 2819 136 0.1593 0.2138 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 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) : 17.590 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.81 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.00 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 : 0.007 5347 REMARK 3 ANGLE : 1.096 7239 REMARK 3 CHIRALITY : 0.079 790 REMARK 3 PLANARITY : 0.004 932 REMARK 3 DIHEDRAL : 13.162 1973 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 4XHB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-JAN-15. REMARK 100 THE DEPOSITION ID IS D_1000205687. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-JUN-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 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 MICROMAX-007 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 55181 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.880 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.0 REMARK 200 DATA REDUNDANCY : 4.900 REMARK 200 R MERGE (I) : 0.05500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 18.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.88 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.91 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.5 REMARK 200 DATA REDUNDANCY IN SHELL : 4.40 REMARK 200 R MERGE FOR SHELL (I) : 0.18800 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 2.1.4 REMARK 200 STARTING MODEL: 2VW0 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.14 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 7% PEG 8000, 0.1M IMIDAZOLE, PH 8.0, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K 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 38.24700 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 58.59650 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 41.29250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 58.59650 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 38.24700 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 41.29250 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 300 REMARK: BIOLOGICAL UNIT IS THE SAME AS ASYM. 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 530 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24960 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 10.0 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 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 O HOH A 1279 O HOH A 1420 2.18 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 ASN A 51 60.55 -117.97 REMARK 500 ILE A 246 63.41 64.36 REMARK 500 SER A 273 -167.10 -171.34 REMARK 500 ASP A 327 89.33 68.80 REMARK 500 PRO A 534 38.48 -85.30 REMARK 500 ALA A 540 59.99 -90.62 REMARK 500 ASP A 645 -166.66 -160.80 REMARK 500 ALA A 652 -118.02 -123.02 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 17Y A 701 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NHE A 702 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4XE9 RELATED DB: PDB DBREF 4XHB A 39 696 UNP Q54727 NANB_STRPN 39 696 SEQADV 4XHB GLY A 643 UNP Q54727 ASP 643 ENGINEERED MUTATION SEQRES 1 A 658 ILE SER PRO ILE PHE GLN GLY GLY SER TYR GLN LEU ASN SEQRES 2 A 658 ASN LYS SER ILE ASP ILE SER SER LEU LEU LEU ASP LYS SEQRES 3 A 658 LEU SER GLY GLU SER GLN THR VAL VAL MET LYS PHE LYS SEQRES 4 A 658 ALA ASP LYS PRO ASN SER LEU GLN ALA LEU PHE GLY LEU SEQRES 5 A 658 SER ASN SER LYS ALA GLY PHE LYS ASN ASN TYR PHE SER SEQRES 6 A 658 ILE PHE MET ARG ASP SER GLY GLU ILE GLY VAL GLU ILE SEQRES 7 A 658 ARG ASP ALA GLN LYS GLY ILE ASN TYR LEU PHE SER ARG SEQRES 8 A 658 PRO ALA SER LEU TRP GLY LYS HIS LYS GLY GLN ALA VAL SEQRES 9 A 658 GLU ASN THR LEU VAL PHE VAL SER ASP SER LYS ASP LYS SEQRES 10 A 658 THR TYR THR MET TYR VAL ASN GLY ILE GLU VAL PHE SER SEQRES 11 A 658 GLU THR VAL ASP THR PHE LEU PRO ILE SER ASN ILE ASN SEQRES 12 A 658 GLY ILE ASP LYS ALA THR LEU GLY ALA VAL ASN ARG GLU SEQRES 13 A 658 GLY LYS GLU HIS TYR LEU ALA LYS GLY SER ILE ASP GLU SEQRES 14 A 658 ILE SER LEU PHE ASN LYS ALA ILE SER ASP GLN GLU VAL SEQRES 15 A 658 SER THR ILE PRO LEU SER ASN PRO PHE GLN LEU ILE PHE SEQRES 16 A 658 GLN SER GLY ASP SER THR GLN ALA ASN TYR PHE ARG ILE SEQRES 17 A 658 PRO THR LEU TYR THR LEU SER SER GLY ARG VAL LEU SER SEQRES 18 A 658 SER ILE ASP ALA ARG TYR GLY GLY THR HIS ASP SER LYS SEQRES 19 A 658 SER LYS ILE ASN ILE ALA THR SER TYR SER ASP ASP ASN SEQRES 20 A 658 GLY LYS THR TRP SER GLU PRO ILE PHE ALA MET LYS PHE SEQRES 21 A 658 ASN ASP TYR GLU GLU GLN LEU VAL TYR TRP PRO ARG ASP SEQRES 22 A 658 ASN LYS LEU LYS ASN SER GLN ILE SER GLY SER ALA SER SEQRES 23 A 658 PHE ILE ASP SER SER ILE VAL GLU ASP LYS LYS SER GLY SEQRES 24 A 658 LYS THR ILE LEU LEU ALA ASP VAL MET PRO ALA GLY ILE SEQRES 25 A 658 GLY ASN ASN ASN ALA ASN LYS ALA ASP SER GLY PHE LYS SEQRES 26 A 658 GLU ILE ASN GLY HIS TYR TYR LEU LYS LEU LYS LYS ASN SEQRES 27 A 658 GLY ASP ASN ASP PHE ARG TYR THR VAL ARG GLU ASN GLY SEQRES 28 A 658 VAL VAL TYR ASN GLU THR THR ASN LYS PRO THR ASN TYR SEQRES 29 A 658 THR ILE ASN ASP LYS TYR GLU VAL LEU GLU GLY GLY LYS SEQRES 30 A 658 SER LEU THR VAL GLU GLN TYR SER VAL ASP PHE ASP SER SEQRES 31 A 658 GLY SER LEU ARG GLU ARG HIS ASN GLY LYS GLN VAL PRO SEQRES 32 A 658 MET ASN VAL PHE TYR LYS ASP SER LEU PHE LYS VAL THR SEQRES 33 A 658 PRO THR ASN TYR ILE ALA MET THR THR SER GLN ASN ARG SEQRES 34 A 658 GLY GLU SER TRP GLU GLN PHE LYS LEU LEU PRO PRO PHE SEQRES 35 A 658 LEU GLY GLU LYS HIS ASN GLY THR TYR LEU CYS PRO GLY SEQRES 36 A 658 GLN GLY LEU ALA LEU LYS SER SER ASN ARG LEU ILE PHE SEQRES 37 A 658 ALA THR TYR THR SER GLY GLU LEU THR TYR LEU ILE SER SEQRES 38 A 658 ASP ASP SER GLY GLN THR TRP LYS LYS SER SER ALA SER SEQRES 39 A 658 ILE PRO PHE LYS ASN ALA THR ALA GLU ALA GLN MET VAL SEQRES 40 A 658 GLU LEU ARG ASP GLY VAL ILE ARG THR PHE PHE ARG THR SEQRES 41 A 658 THR THR GLY LYS ILE ALA TYR MET THR SER ARG ASP SER SEQRES 42 A 658 GLY GLU THR TRP SER LYS VAL SER TYR ILE ASP GLY ILE SEQRES 43 A 658 GLN GLN THR SER TYR GLY THR GLN VAL SER ALA ILE LYS SEQRES 44 A 658 TYR SER GLN LEU ILE ASP GLY LYS GLU ALA VAL ILE LEU SEQRES 45 A 658 SER THR PRO ASN SER ARG SER GLY ARG LYS GLY GLY GLN SEQRES 46 A 658 LEU VAL VAL GLY LEU VAL ASN LYS GLU ASP ASP SER ILE SEQRES 47 A 658 ASP TRP LYS TYR HIS TYR GLY ILE ASP LEU PRO SER TYR SEQRES 48 A 658 GLY TYR ALA TYR SER ALA ILE THR GLU LEU PRO ASN HIS SEQRES 49 A 658 HIS ILE GLY VAL LEU PHE GLU LYS TYR ASP SER TRP SER SEQRES 50 A 658 ARG ASN GLU LEU HIS LEU SER ASN VAL VAL GLN TYR ILE SEQRES 51 A 658 ASP LEU GLU ILE ASN ASP LEU THR HET 17Y A 701 7 HET NHE A 702 13 HETNAM 17Y (1R,2S)-CYCLOPENTANE-1,2-DIOL HETNAM NHE 2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID HETSYN NHE N-CYCLOHEXYLTAURINE; CHES FORMUL 2 17Y C5 H10 O2 FORMUL 3 NHE C8 H17 N O3 S FORMUL 4 HOH *675(H2 O) HELIX 1 AA1 ILE A 57 LEU A 62 1 6 HELIX 2 AA2 ASP A 63 LEU A 65 5 3 HELIX 3 AA3 PRO A 176 ILE A 180 5 5 HELIX 4 AA4 SER A 216 ILE A 223 1 8 HELIX 5 AA5 GLU A 691 THR A 696 1 6 SHEET 1 AA1 6 PHE A 43 ASN A 51 0 SHEET 2 AA1 6 LYS A 202 PHE A 211 -1 O ILE A 205 N TYR A 48 SHEET 3 AA1 6 GLN A 70 LYS A 77 -1 N LYS A 75 O GLU A 207 SHEET 4 AA1 6 ASN A 144 ASP A 151 -1 O LEU A 146 N MET A 74 SHEET 5 AA1 6 THR A 156 VAL A 161 -1 O THR A 158 N VAL A 149 SHEET 6 AA1 6 ILE A 164 THR A 170 -1 O VAL A 166 N MET A 159 SHEET 1 AA2 6 ILE A 55 ASP A 56 0 SHEET 2 AA2 6 LYS A 185 LEU A 188 -1 O LEU A 188 N ILE A 55 SHEET 3 AA2 6 LEU A 84 SER A 91 -1 N GLY A 89 O THR A 187 SHEET 4 AA2 6 TYR A 101 ARG A 107 -1 O PHE A 102 N LEU A 90 SHEET 5 AA2 6 ILE A 112 ASP A 118 -1 O ARG A 117 N TYR A 101 SHEET 6 AA2 6 ILE A 123 ARG A 129 -1 O TYR A 125 N ILE A 116 SHEET 1 AA3 2 LYS A 136 HIS A 137 0 SHEET 2 AA3 2 GLN A 140 ALA A 141 -1 O GLN A 140 N HIS A 137 SHEET 1 AA4 2 VAL A 191 ARG A 193 0 SHEET 2 AA4 2 LYS A 196 HIS A 198 -1 O HIS A 198 N VAL A 191 SHEET 1 AA5 3 TYR A 243 ARG A 245 0 SHEET 2 AA5 3 VAL A 257 ARG A 264 -1 O ASP A 262 N ARG A 245 SHEET 3 AA5 3 TYR A 250 THR A 251 -1 N TYR A 250 O LEU A 258 SHEET 1 AA6 4 TYR A 243 ARG A 245 0 SHEET 2 AA6 4 VAL A 257 ARG A 264 -1 O ASP A 262 N ARG A 245 SHEET 3 AA6 4 ILE A 275 SER A 282 -1 O ASN A 276 N ALA A 263 SHEET 4 AA6 4 ILE A 293 MET A 296 -1 O ALA A 295 N ILE A 277 SHEET 1 AA7 5 LYS A 475 LEU A 476 0 SHEET 2 AA7 5 TYR A 458 SER A 464 -1 N MET A 461 O LYS A 475 SHEET 3 AA7 5 THR A 339 MET A 346 -1 N ALA A 343 O ALA A 460 SHEET 4 AA7 5 SER A 324 GLU A 332 -1 N SER A 324 O MET A 346 SHEET 5 AA7 5 GLY A 493 GLN A 494 1 O GLY A 493 N ILE A 330 SHEET 1 AA8 7 PHE A 362 GLU A 364 0 SHEET 2 AA8 7 TYR A 369 LYS A 375 -1 O TYR A 370 N LYS A 363 SHEET 3 AA8 7 TYR A 383 VAL A 385 -1 O TYR A 383 N LEU A 373 SHEET 4 AA8 7 VAL A 390 ASN A 393 -1 O TYR A 392 N THR A 384 SHEET 5 AA8 7 LYS A 398 ILE A 404 -1 O LYS A 398 N ASN A 393 SHEET 6 AA8 7 VAL A 410 GLU A 412 -1 O LEU A 411 N THR A 403 SHEET 7 AA8 7 LYS A 415 SER A 416 -1 O LYS A 415 N GLU A 412 SHEET 1 AA9 3 PHE A 362 GLU A 364 0 SHEET 2 AA9 3 TYR A 369 LYS A 375 -1 O TYR A 370 N LYS A 363 SHEET 3 AA9 3 PHE A 451 LYS A 452 -1 O LYS A 452 N LYS A 374 SHEET 1 AB1 2 THR A 418 ASP A 425 0 SHEET 2 AB1 2 ARG A 432 PRO A 441 -1 O LYS A 438 N GLN A 421 SHEET 1 AB2 3 TYR A 489 LEU A 490 0 SHEET 2 AB2 3 LEU A 504 THR A 510 -1 O TYR A 509 N TYR A 489 SHEET 3 AB2 3 LEU A 496 ALA A 497 -1 N LEU A 496 O ILE A 505 SHEET 1 AB3 4 TYR A 489 LEU A 490 0 SHEET 2 AB3 4 LEU A 504 THR A 510 -1 O TYR A 509 N TYR A 489 SHEET 3 AB3 4 GLU A 513 SER A 519 -1 O LEU A 517 N PHE A 506 SHEET 4 AB3 4 LYS A 527 SER A 532 -1 O LYS A 527 N ILE A 518 SHEET 1 AB4 4 ALA A 542 ARG A 548 0 SHEET 2 AB4 4 VAL A 551 PHE A 556 -1 O ARG A 553 N VAL A 545 SHEET 3 AB4 4 ALA A 564 SER A 568 -1 O ALA A 564 N PHE A 556 SHEET 4 AB4 4 SER A 579 TYR A 580 -1 O SER A 579 N TYR A 565 SHEET 1 AB5 4 SER A 594 ILE A 602 0 SHEET 2 AB5 4 LYS A 605 PRO A 613 -1 O SER A 611 N SER A 594 SHEET 3 AB5 4 GLY A 622 VAL A 629 -1 O GLY A 627 N VAL A 608 SHEET 4 AB5 4 ILE A 636 GLY A 643 -1 O TYR A 642 N LEU A 624 SHEET 1 AB6 3 SER A 654 GLU A 658 0 SHEET 2 AB6 3 ILE A 664 GLU A 669 -1 O GLY A 665 N THR A 657 SHEET 3 AB6 3 VAL A 685 LEU A 690 -1 O LEU A 690 N ILE A 664 CISPEP 1 SER A 271 LYS A 272 0 1.40 SITE 1 AC1 5 THR A 251 GLN A 494 THR A 657 HOH A 984 SITE 2 AC1 5 HOH A1056 SITE 1 AC2 12 ARG A 245 ASP A 270 ASP A 327 ASN A 352 SITE 2 AC2 12 TYR A 509 ARG A 557 ARG A 619 TYR A 653 SITE 3 AC2 12 TRP A 674 HOH A1095 HOH A1249 HOH A1263 CRYST1 76.494 82.585 117.193 90.00 90.00 90.00 P 21 21 21 4 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 0.013073 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012109 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008533 0.00000 MASTER 258 0 2 5 58 0 5 6 0 0 0 51 END