HEADER PHOTOSYNTHESIS 25-APR-16 5G3A TITLE PSBO SUBUNIT OF PHOTOSYSTEM II, BETA BARREL DOMAIN AT 100K, PH 10 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 SYNONYM: MSP, PSBO SUBUNIT OF PHOTOSYSTEM II; COMPND 6 ENGINEERED: YES; COMPND 7 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 6 13-NOV-24 5G3A 1 REMARK REVDAT 5 10-JAN-24 5G3A 1 REMARK SHEET LINK REVDAT 4 06-MAR-19 5G3A 1 REMARK DBREF REVDAT 3 23-AUG-17 5G3A 1 REMARK REVDAT 2 28-SEP-16 5G3A 1 JRNL REVDAT 1 10-AUG-16 5G3A 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. 1.22 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) : 1.22 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.99 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 51284 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) : 0.154 REMARK 3 FREE R VALUE : 0.179 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2100 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 46.0265 - 3.0186 1.00 3629 156 0.1767 0.1840 REMARK 3 2 3.0186 - 2.3960 1.00 3407 145 0.1645 0.1773 REMARK 3 3 2.3960 - 2.0931 1.00 3332 142 0.1337 0.1627 REMARK 3 4 2.0931 - 1.9018 1.00 3296 141 0.1222 0.1535 REMARK 3 5 1.9018 - 1.7654 1.00 3263 139 0.1229 0.1545 REMARK 3 6 1.7654 - 1.6614 1.00 3275 140 0.1233 0.1647 REMARK 3 7 1.6614 - 1.5781 1.00 3261 139 0.1190 0.1385 REMARK 3 8 1.5781 - 1.5094 1.00 3255 139 0.1236 0.1725 REMARK 3 9 1.5094 - 1.4513 1.00 3233 138 0.1314 0.1912 REMARK 3 10 1.4513 - 1.4012 1.00 3210 137 0.1472 0.2260 REMARK 3 11 1.4012 - 1.3574 1.00 3234 139 0.1602 0.2200 REMARK 3 12 1.3574 - 1.3186 1.00 3222 137 0.1806 0.2347 REMARK 3 13 1.3186 - 1.2839 1.00 3207 137 0.1892 0.2292 REMARK 3 14 1.2839 - 1.2526 1.00 3191 136 0.2140 0.2594 REMARK 3 15 1.2526 - 1.2241 0.98 3169 135 0.2324 0.2744 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) : 0.110 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.570 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.99 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.43 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 : 0.012 1415 REMARK 3 ANGLE : 1.168 1928 REMARK 3 CHIRALITY : 0.099 227 REMARK 3 PLANARITY : 0.007 259 REMARK 3 DIHEDRAL : 22.386 529 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 5G3A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 25-APR-16. REMARK 100 THE DEPOSITION ID IS D_1290066724. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-OCT-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 10 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : BESSY REMARK 200 BEAMLINE : 14.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.91841 REMARK 200 MONOCHROMATOR : SI-111 CRYSTAL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 51297 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.220 REMARK 200 RESOLUTION RANGE LOW (A) : 45.990 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 18.80 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 22.5700 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.22 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.27 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.0 REMARK 200 DATA REDUNDANCY IN SHELL : 17.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.730 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 280 PH 10 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 64.13500 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 128.27000 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 96.20250 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 160.33750 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 32.06750 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 64.13500 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 128.27000 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 160.33750 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 96.20250 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 32.06750 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 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 A2017 LIES ON A SPECIAL POSITION. REMARK 375 HOH A2158 LIES ON A SPECIAL POSITION. 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 2037 O HOH A 2068 1.96 REMARK 500 OE2 GLU A 167 O HOH A 2153 2.11 REMARK 500 O HOH A 2038 O HOH A 2039 2.11 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 142 -122.14 51.48 REMARK 500 ASN A 173 38.88 73.18 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 145.0 REMARK 620 3 VAL A 152 O 70.6 77.9 REMARK 620 4 HOH A2079 O 134.6 75.0 152.8 REMARK 620 5 HOH A2127 O 84.6 80.8 90.4 83.4 REMARK 620 6 HOH A2128 O 69.2 145.2 136.1 71.0 102.5 REMARK 620 7 HOH A2129 O 101.0 91.9 86.9 95.9 172.6 84.1 REMARK 620 N 1 2 3 4 5 6 REMARK 700 REMARK 700 SHEET REMARK 700 DETERMINATION METHOD: DSSP REMARK 700 THE SHEETS PRESENTED AS "AB" IN EACH CHAIN ON SHEET RECORDS REMARK 700 BELOW IS ACTUALLY AN 8-STRANDED BARREL THIS IS REPRESENTED BY REMARK 700 A 9-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS REMARK 700 ARE IDENTICAL. 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: 5G39 RELATED DB: PDB REMARK 900 PSBO SUBUNIT OF PHOTOSYSTEM II, BETA BARREL DOMAIN AT 100K, PH 6 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 5G3A A 19 54 UNP P0A432 PSBO_SYNEL 45 80 DBREF 5G3A A 57 141 UNP P0A432 PSBO_SYNEL 90 174 DBREF 5G3A A 144 172 UNP P0A432 PSBO_SYNEL 219 247 DBREF 5G3A A 175 190 PDB 5G3A 5G3A 175 190 SEQADV 5G3A ASN A 55 UNP P0A432 LINKER SEQADV 5G3A GLY A 56 UNP P0A432 LINKER SEQADV 5G3A ASN A 142 UNP P0A432 LINKER SEQADV 5G3A GLY A 143 UNP P0A432 LINKER SEQADV 5G3A ASN A 173 UNP P0A432 LINKER SEQADV 5G3A 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 *162(H2 O) SHEET 1 AA 2 TYR A 30 PRO A 31 0 SHEET 2 AA 2 SER A 128 ILE A 129 -1 O ILE A 129 N TYR A 30 SHEET 1 AB 9 TYR A 38 GLU A 54 0 SHEET 2 AB 9 LEU A 71 VAL A 80 -1 O LEU A 71 N LEU A 45 SHEET 3 AB 9 LEU A 86 VAL A 89 -1 O THR A 87 N LYS A 79 SHEET 4 AB 9 VAL A 119 SER A 121 -1 O ALA A 120 N PHE A 88 SHEET 5 AB 9 ASP A 134 VAL A 141 -1 O LYS A 136 N SER A 121 SHEET 6 AB 9 THR A 144 ASP A 156 -1 O THR A 144 N VAL A 141 SHEET 7 AB 9 GLU A 161 SER A 172 -1 O GLU A 161 N ASP A 156 SHEET 8 AB 9 HIS A 175 PRO A 189 -1 O HIS A 175 N SER A 172 SHEET 9 AB 9 TYR A 38 GLU A 54 0 SHEET 1 AC 3 LYS A 62 LEU A 63 0 SHEET 2 AC 3 GLN A 97 GLN A 102 -1 O GLN A 102 N LYS A 62 SHEET 3 AC 3 ARG A 108 PHE A 113 -1 O ILE A 109 N VAL A 101 SSBOND 1 CYS A 19 CYS A 44 1555 1555 1.98 LINK O THR A 131 CA CA A 191 1555 1555 2.38 LINK OD1 ASN A 151 CA CA A 191 1555 1555 2.36 LINK O VAL A 152 CA CA A 191 1555 1555 2.36 LINK CA CA A 191 O HOH A2079 1555 1555 2.45 LINK CA CA A 191 O HOH A2127 1555 1555 2.36 LINK CA CA A 191 O HOH A2128 1555 1555 2.41 LINK CA CA A 191 O HOH A2129 1555 1555 2.35 SITE 1 AC1 7 THR A 131 ASN A 151 VAL A 152 HOH A2079 SITE 2 AC1 7 HOH A2127 HOH A2128 HOH A2129 CRYST1 54.695 54.695 192.405 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 0.018283 0.010556 0.000000 0.00000 SCALE2 0.000000 0.021112 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005197 0.00000