HEADER PHOTOSYNTHESIS 24-APR-16 5G39 TITLE PSBO SUBUNIT OF PHOTOSYSTEM II, BETA BARREL DOMAIN AT 297K, PH 6 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOTOSYSTEM II MANGANESE-STABILIZING POLYPEPTIDE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: BETA BARREL DOMAIN, RESIDUES 45-272; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: LOOPS 55-63,149-192 AND 220-231 DELETED SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMOSYNECHOCOCCUS ELONGATUS; SOURCE 3 ORGANISM_TAXID: 197221; SOURCE 4 STRAIN: BP-1; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PET-28A KEYWDS PHOTOSYNTHESIS, CARBOXYLATE CLUSTER, PH, PROTON ANTENNA EXPDTA X-RAY DIFFRACTION AUTHOR M.BOMMER,A.N.BONDAR,A.ZOUNI,H.DOBBEK,H.DAU REVDAT 5 13-NOV-24 5G39 1 REMARK REVDAT 4 10-JAN-24 5G39 1 REMARK LINK REVDAT 3 06-MAR-19 5G39 1 REMARK REVDAT 2 28-SEP-16 5G39 1 JRNL REVDAT 1 10-AUG-16 5G39 0 JRNL AUTH M.BOMMER,A.N.BONDAR,A.ZOUNI,H.DOBBEK,H.DAU JRNL TITL CRYSTALLOGRAPHIC AND COMPUTATIONAL ANALYSIS OF THE BARREL JRNL TITL 2 PART OF THE PSBO PROTEIN OF PHOTOSYSTEM II JRNL TITL 3 -CARBOXYLATE-WATER CLUSTERS AS PUTATIVE PROTON TRANSFER JRNL TITL 4 RELAYS AND STRUCTURAL SWITCHES JRNL REF BIOCHEMISTRY V. 55 4626 2016 JRNL REFN ISSN 0006-2960 JRNL PMID 27454911 JRNL DOI 10.1021/ACS.BIOCHEM.6B00441 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) 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) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 21.72 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 29703 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.155 REMARK 3 R VALUE (WORKING SET) : 0.153 REMARK 3 FREE R VALUE : 0.183 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1485 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 21.7174 - 3.3323 1.00 2827 149 0.1628 0.1722 REMARK 3 2 3.3323 - 2.6465 1.00 2637 138 0.1762 0.1941 REMARK 3 3 2.6465 - 2.3124 1.00 2583 136 0.1527 0.1857 REMARK 3 4 2.3124 - 2.1011 1.00 2578 136 0.1205 0.1556 REMARK 3 5 2.1011 - 1.9506 1.00 2552 134 0.1068 0.1457 REMARK 3 6 1.9506 - 1.8357 1.00 2521 133 0.1146 0.1795 REMARK 3 7 1.8357 - 1.7438 1.00 2499 131 0.1290 0.1819 REMARK 3 8 1.7438 - 1.6679 1.00 2531 134 0.1516 0.2082 REMARK 3 9 1.6679 - 1.6037 1.00 2511 132 0.1673 0.2525 REMARK 3 10 1.6037 - 1.5484 1.00 2473 130 0.1953 0.2702 REMARK 3 11 1.5484 - 1.5000 1.00 2506 132 0.2215 0.2960 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) : 0.150 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.450 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.23 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.61 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 : 0.011 1408 REMARK 3 ANGLE : 1.099 1915 REMARK 3 CHIRALITY : 0.082 226 REMARK 3 PLANARITY : 0.006 256 REMARK 3 DIHEDRAL : 19.345 851 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 5G39 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 24-APR-16. REMARK 100 THE DEPOSITION ID IS D_1290066725. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-SEP-15 REMARK 200 TEMPERATURE (KELVIN) : 297 REMARK 200 PH : 6 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : BESSY REMARK 200 BEAMLINE : 14.3 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8900 REMARK 200 MONOCHROMATOR : SI-111 CRYSTAL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29709 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 21.130 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 24.50 REMARK 200 R MERGE (I) : 0.12000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.9700 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 24.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.690 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: PDB ENTRY 3WU2 REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.21 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOR DIFFUSION 30 MG/ML PROTEIN, 0.1 REMARK 280 M MES-NA PH 6, 0.2 M CALCIUM ACETATE, 30% PEG 400, 0.01 M TCEP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 64.84667 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 129.69333 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 97.27000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 162.11667 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 32.42333 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 64.84667 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 129.69333 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 162.11667 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 97.27000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 32.42333 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 A2067 LIES ON A SPECIAL POSITION. 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 GLU A 67 -178.87 -67.86 REMARK 500 ASN A 142 -107.42 50.39 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 191 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 131 O REMARK 620 2 ASN A 151 OD1 145.5 REMARK 620 3 VAL A 152 O 72.6 78.9 REMARK 620 4 HOH A2051 O 81.8 80.8 93.4 REMARK 620 5 HOH A2052 O 70.1 143.5 135.5 104.3 REMARK 620 6 HOH A2057 O 106.2 89.5 84.1 170.4 83.8 REMARK 620 7 HOH A2058 O 129.6 76.3 155.1 80.9 69.0 97.5 REMARK 620 N 1 2 3 4 5 6 REMARK 700 REMARK 700 SHEET REMARK 700 DETERMINATION METHOD: AUTHOR PROVIDED. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 191 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5G38 RELATED DB: PDB REMARK 900 PSBO SUBUNIT OF PHOTOSYSTEM II, BETA BARREL DOMAIN AT 100K, PH 6 REMARK 900 RELATED ID: 5G3A RELATED DB: PDB REMARK 900 PSBO SUBUNIT OF PHOTOSYSTEM II, BETA BARREL DOMAIN AT 100K, PH 10 REMARK 999 REMARK 999 SEQUENCE REMARK 999 LOOPS 55-63, 149-192 AND 220-231 REPLACED WITH A BETA REMARK 999 HAIRPIN OF SEQUENCE NG DBREF 5G39 A 19 54 UNP P0A432 PSBO_SYNEL 45 80 DBREF 5G39 A 57 141 UNP P0A432 PSBO_SYNEL 90 174 DBREF 5G39 A 144 172 UNP P0A432 PSBO_SYNEL 219 247 DBREF 5G39 A 175 190 UNP P0A432 PSBO_SYNEL 257 272 SEQADV 5G39 ASN A 55 UNP P0A432 LINKER SEQADV 5G39 GLY A 56 UNP P0A432 LINKER SEQADV 5G39 ASN A 142 UNP P0A432 LINKER SEQADV 5G39 GLY A 143 UNP P0A432 LINKER SEQADV 5G39 ASN A 173 UNP P0A432 LINKER SEQADV 5G39 GLY A 174 UNP P0A432 LINKER SEQRES 1 A 172 CYS PRO THR LEU ASP ASP THR ALA ARG GLY ALA TYR PRO SEQRES 2 A 172 ILE ASP SER SER GLN THR TYR ARG ILE ALA ARG LEU CYS SEQRES 3 A 172 LEU GLN PRO THR THR PHE LEU VAL LYS GLU ASN GLY GLU SEQRES 4 A 172 PHE VAL PRO THR LYS LEU VAL THR ARG GLU THR THR SER SEQRES 5 A 172 LEU ASP GLN ILE GLN GLY GLU LEU LYS VAL ASN SER ASP SEQRES 6 A 172 GLY SER LEU THR PHE VAL GLU GLU ASP GLY ILE ASP PHE SEQRES 7 A 172 GLN PRO VAL THR VAL GLN MET ALA GLY GLY GLU ARG ILE SEQRES 8 A 172 PRO LEU LEU PHE THR VAL LYS ASN LEU VAL ALA SER THR SEQRES 9 A 172 GLN PRO ASN VAL THR SER ILE THR THR SER THR ASP PHE SEQRES 10 A 172 LYS GLY GLU PHE ASN VAL ASN GLY THR LYS GLY GLN ILE SEQRES 11 A 172 SER LEU ASN VAL ALA LYS VAL ASP GLY ARG THR GLY GLU SEQRES 12 A 172 ILE ALA GLY THR PHE GLU SER GLU GLN LEU SER ASN GLY SEQRES 13 A 172 HIS GLU VAL LYS ILE GLN GLY VAL PHE TYR ALA SER ILE SEQRES 14 A 172 GLU PRO ALA HET CA A 191 1 HETNAM CA CALCIUM ION FORMUL 2 CA CA 2+ FORMUL 3 HOH *68(H2 O) SHEET 1 1 1 TYR A 30 PRO A 31 0 SHEET 1 2 1 TYR A 38 GLU A 54 0 SHEET 1 3 1 GLU A 57 PRO A 60 0 SHEET 1 4 1 LYS A 62 LEU A 63 0 SHEET 1 5 1 LEU A 71 VAL A 80 0 SHEET 1 6 1 LEU A 86 VAL A 89 0 SHEET 1 7 1 ASP A 92 ILE A 94 0 SHEET 1 8 1 PHE A 96 GLN A 102 0 SHEET 1 9 1 ARG A 108 THR A 114 0 SHEET 1 10 1 VAL A 119 SER A 121 0 SHEET 1 11 1 SER A 128 ILE A 129 0 SHEET 1 12 1 ASP A 134 VAL A 141 0 SHEET 1 13 1 THR A 144 ASP A 156 0 SHEET 1 14 1 GLU A 161 SER A 172 0 SHEET 1 15 1 HIS A 175 PRO A 189 0 SSBOND 1 CYS A 19 CYS A 44 1555 1555 2.00 LINK O THR A 131 CA CA A 191 1555 1555 2.35 LINK OD1 ASN A 151 CA CA A 191 1555 1555 2.33 LINK O VAL A 152 CA CA A 191 1555 1555 2.35 LINK CA CA A 191 O HOH A2051 1555 1555 2.38 LINK CA CA A 191 O HOH A2052 1555 1555 2.44 LINK CA CA A 191 O HOH A2057 1555 1555 2.37 LINK CA CA A 191 O HOH A2058 1555 1555 2.50 SITE 1 AC1 7 THR A 131 ASN A 151 VAL A 152 HOH A2051 SITE 2 AC1 7 HOH A2052 HOH A2057 HOH A2058 CRYST1 55.710 55.710 194.540 90.00 90.00 120.00 P 61 2 2 12 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 0.017950 0.010363 0.000000 0.00000 SCALE2 0.000000 0.020727 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005140 0.00000