HEADER CAROTENOID BINDING PROTEIN 16-DEC-14 4XB5 TITLE STRUCTURE OF ORANGE CAROTENOID PROTEIN BINDING CANTHAXANTHIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: ORANGE CAROTENOID-BINDING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: OCP; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SYNECHOCYSTIS SP. (STRAIN PCC 6803 / KAZUSA); SOURCE 3 ORGANISM_TAXID: 1111708; SOURCE 4 STRAIN: PCC 6803 / KAZUSA; SOURCE 5 GENE: SLR1963; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CAROTENOID-BINDING, PHOTOPROTECTION, CAROTENOID BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR C.A.KERFELD,M.SUTTER,R.L.LEVERENZ REVDAT 3 27-SEP-23 4XB5 1 REMARK REVDAT 2 09-SEP-15 4XB5 1 REMARK REVDAT 1 15-JUL-15 4XB5 0 JRNL AUTH R.L.LEVERENZ,M.SUTTER,A.WILSON,S.GUPTA,A.THUROTTE, JRNL AUTH 2 C.BOURCIER DE CARBON,C.J.PETZOLD,C.RALSTON,F.PERREAU, JRNL AUTH 3 D.KIRILOVSKY,C.A.KERFELD JRNL TITL PHOTOSYNTHESIS. A 12 ANGSTROM CAROTENOID TRANSLOCATION IN A JRNL TITL 2 PHOTOSWITCH ASSOCIATED WITH CYANOBACTERIAL PHOTOPROTECTION. JRNL REF SCIENCE V. 348 1463 2015 JRNL REFN ESSN 1095-9203 JRNL PMID 26113721 JRNL DOI 10.1126/SCIENCE.AAA7234 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.9_1690) 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.43 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 27746 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.183 REMARK 3 R VALUE (WORKING SET) : 0.181 REMARK 3 FREE R VALUE : 0.208 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.240 REMARK 3 FREE R VALUE TEST SET COUNT : 2008 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 37.4410 - 4.5768 1.00 1962 156 0.1668 0.1897 REMARK 3 2 4.5768 - 3.6337 1.00 1869 146 0.1403 0.1647 REMARK 3 3 3.6337 - 3.1746 1.00 1851 142 0.1609 0.1795 REMARK 3 4 3.1746 - 2.8845 1.00 1856 143 0.1747 0.1706 REMARK 3 5 2.8845 - 2.6778 1.00 1822 144 0.1777 0.2436 REMARK 3 6 2.6778 - 2.5200 1.00 1856 147 0.1867 0.2038 REMARK 3 7 2.5200 - 2.3938 1.00 1830 142 0.1831 0.2245 REMARK 3 8 2.3938 - 2.2896 1.00 1832 139 0.1869 0.2358 REMARK 3 9 2.2896 - 2.2015 1.00 1818 141 0.2095 0.2747 REMARK 3 10 2.2015 - 2.1255 1.00 1787 138 0.1990 0.2347 REMARK 3 11 2.1255 - 2.0591 1.00 1840 145 0.2220 0.2873 REMARK 3 12 2.0591 - 2.0002 1.00 1793 142 0.2248 0.2565 REMARK 3 13 2.0002 - 1.9475 1.00 1819 141 0.2870 0.3035 REMARK 3 14 1.9475 - 1.9000 0.99 1803 142 0.4923 0.4858 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) : 0.280 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.930 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 : 0.006 2510 REMARK 3 ANGLE : 0.903 3418 REMARK 3 CHIRALITY : 0.035 382 REMARK 3 PLANARITY : 0.006 453 REMARK 3 DIHEDRAL : 14.661 926 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 4XB5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-DEC-14. REMARK 100 THE DEPOSITION ID IS D_1000205364. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-OCT-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27757 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 37.434 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 20.70 REMARK 200 R MERGE (I) : 0.01658 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 23.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : 2.03 REMARK 200 R MERGE FOR SHELL (I) : 0.36330 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.090 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: TRUNCATED FORM OF 3MG1 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.43 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM SODIUM ACETATE PH 4.5, 10% POLY REMARK 280 -ETHYLENE GLYCOL 20,000, 3% GLYCEROL, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 295K 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 58.13400 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 29.06700 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 29.06700 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 58.13400 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 MET A -8 REMARK 465 GLY A -7 REMARK 465 SER A -6 REMARK 465 SER A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 HIS A -1 REMARK 465 HIS A 0 REMARK 465 HIS A 1 REMARK 465 PHE A 315 REMARK 465 ALA A 316 REMARK 465 ARG A 317 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 H SER A 189 O HOH A 834 1.56 REMARK 500 HE22 GLN A 30 O HOH A 602 1.59 REMARK 500 O HOH A 635 O HOH A 646 1.90 REMARK 500 O HOH A 657 O HOH A 779 1.91 REMARK 500 OE1 GLU A 311 O HOH A 601 1.91 REMARK 500 O HOH A 751 O HOH A 834 1.97 REMARK 500 O HOH A 827 O HOH A 830 2.03 REMARK 500 O HOH A 735 O HOH A 766 2.12 REMARK 500 O HOH A 719 O HOH A 743 2.13 REMARK 500 OD1 ASN A 156 O HOH A 819 2.15 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 45D A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4XB4 RELATED DB: PDB DBREF 4XB5 A 2 317 UNP P74102 OCP_SYNY3 2 317 SEQADV 4XB5 MET A -8 UNP P74102 INITIATING METHIONINE SEQADV 4XB5 GLY A -7 UNP P74102 EXPRESSION TAG SEQADV 4XB5 SER A -6 UNP P74102 EXPRESSION TAG SEQADV 4XB5 SER A -5 UNP P74102 EXPRESSION TAG SEQADV 4XB5 HIS A -4 UNP P74102 EXPRESSION TAG SEQADV 4XB5 HIS A -3 UNP P74102 EXPRESSION TAG SEQADV 4XB5 HIS A -2 UNP P74102 EXPRESSION TAG SEQADV 4XB5 HIS A -1 UNP P74102 EXPRESSION TAG SEQADV 4XB5 HIS A 0 UNP P74102 EXPRESSION TAG SEQADV 4XB5 HIS A 1 UNP P74102 EXPRESSION TAG SEQRES 1 A 326 MET GLY SER SER HIS HIS HIS HIS HIS HIS PRO PHE THR SEQRES 2 A 326 ILE ASP SER ALA ARG GLY ILE PHE PRO ASN THR LEU ALA SEQRES 3 A 326 ALA ASP VAL VAL PRO ALA THR ILE ALA ARG PHE SER GLN SEQRES 4 A 326 LEU ASN ALA GLU ASP GLN LEU ALA LEU ILE TRP PHE ALA SEQRES 5 A 326 TYR LEU GLU MET GLY LYS THR LEU THR ILE ALA ALA PRO SEQRES 6 A 326 GLY ALA ALA SER MET GLN LEU ALA GLU ASN ALA LEU LYS SEQRES 7 A 326 GLU ILE GLN ALA MET GLY PRO LEU GLN GLN THR GLN ALA SEQRES 8 A 326 MET CYS ASP LEU ALA ASN ARG ALA ASP THR PRO LEU CYS SEQRES 9 A 326 ARG THR TYR ALA SER TRP SER PRO ASN ILE LYS LEU GLY SEQRES 10 A 326 PHE TRP TYR ARG LEU GLY GLU LEU MET GLU GLN GLY PHE SEQRES 11 A 326 VAL ALA PRO ILE PRO ALA GLY TYR GLN LEU SER ALA ASN SEQRES 12 A 326 ALA ASN ALA VAL LEU ALA THR ILE GLN GLY LEU GLU SER SEQRES 13 A 326 GLY GLN GLN ILE THR VAL LEU ARG ASN ALA VAL VAL ASP SEQRES 14 A 326 MET GLY PHE THR ALA GLY LYS ASP GLY LYS ARG ILE ALA SEQRES 15 A 326 GLU PRO VAL VAL PRO PRO GLN ASP THR ALA SER ARG THR SEQRES 16 A 326 LYS VAL SER ILE GLU GLY VAL THR ASN ALA THR VAL LEU SEQRES 17 A 326 ASN TYR MET ASP ASN LEU ASN ALA ASN ASP PHE ASP THR SEQRES 18 A 326 LEU ILE GLU LEU PHE THR SER ASP GLY ALA LEU GLN PRO SEQRES 19 A 326 PRO PHE GLN ARG PRO ILE VAL GLY LYS GLU ASN VAL LEU SEQRES 20 A 326 ARG PHE PHE ARG GLU GLU CYS GLN ASN LEU LYS LEU ILE SEQRES 21 A 326 PRO GLU ARG GLY VAL THR GLU PRO ALA GLU ASP GLY PHE SEQRES 22 A 326 THR GLN ILE LYS VAL THR GLY LYS VAL GLN THR PRO TRP SEQRES 23 A 326 PHE GLY GLY ASN VAL GLY MET ASN ILE ALA TRP ARG PHE SEQRES 24 A 326 LEU LEU ASN PRO GLU GLY LYS ILE PHE PHE VAL ALA ILE SEQRES 25 A 326 ASP LEU LEU ALA SER PRO LYS GLU LEU LEU ASN PHE ALA SEQRES 26 A 326 ARG HET 45D A 501 94 HET GOL A 502 14 HETNAM 45D BETA,BETA-CAROTENE-4,4'-DIONE HETNAM GOL GLYCEROL HETSYN 45D ISOMER OF CANTHAXANTHIN HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 45D C40 H52 O2 FORMUL 3 GOL C3 H8 O3 FORMUL 4 HOH *236(H2 O) HELIX 1 AA1 THR A 4 ARG A 9 1 6 HELIX 2 AA2 ASP A 19 LEU A 31 1 13 HELIX 3 AA3 ASN A 32 GLY A 48 1 17 HELIX 4 AA4 GLY A 57 MET A 74 1 18 HELIX 5 AA5 GLY A 75 ARG A 89 1 15 HELIX 6 AA6 THR A 92 SER A 100 1 9 HELIX 7 AA7 SER A 102 GLY A 120 1 19 HELIX 8 AA8 SER A 132 GLY A 144 1 13 HELIX 9 AA9 GLU A 146 MET A 161 1 16 HELIX 10 AB1 ASN A 195 ALA A 207 1 13 HELIX 11 AB2 ASP A 209 GLU A 215 1 7 HELIX 12 AB3 GLY A 233 CYS A 245 1 13 HELIX 13 AB4 GLU A 261 GLY A 263 5 3 HELIX 14 AB5 PHE A 278 VAL A 282 5 5 HELIX 15 AB6 SER A 308 LEU A 312 5 5 SHEET 1 AA1 6 ILE A 231 VAL A 232 0 SHEET 2 AA1 6 PHE A 217 GLN A 224 -1 N LEU A 223 O ILE A 231 SHEET 3 AA1 6 ILE A 298 LEU A 305 1 O ILE A 303 N GLN A 224 SHEET 4 AA1 6 MET A 284 LEU A 292 -1 N ALA A 287 O ASP A 304 SHEET 5 AA1 6 THR A 265 GLN A 274 -1 N ILE A 267 O PHE A 290 SHEET 6 AA1 6 LYS A 249 PRO A 259 -1 N GLU A 258 O GLN A 266 SITE 1 AC1 19 LEU A 37 ILE A 40 TRP A 41 TYR A 44 SITE 2 AC1 19 TRP A 110 TYR A 111 GLY A 114 ILE A 151 SITE 3 AC1 19 THR A 152 VAL A 158 MET A 161 TYR A 201 SITE 4 AC1 19 LEU A 205 CYS A 245 LEU A 250 VAL A 273 SITE 5 AC1 19 MET A 284 TRP A 288 ILE A 303 SITE 1 AC2 8 ALA A 55 PRO A 56 GLY A 57 GLU A 174 SITE 2 AC2 8 PRO A 276 HOH A 683 HOH A 711 HOH A 745 CRYST1 82.894 82.894 87.201 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 0.012064 0.006965 0.000000 0.00000 SCALE2 0.000000 0.013930 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011468 0.00000