HEADER HYDROLASE 18-MAY-08 3D60 TITLE CRYSTAL STRUCTURE ANALYSIS OF 1,5-ALPHA-ARABINANASE CATALYTIC MUTANT TITLE 2 (D27A) COMPND MOL_ID: 1; COMPND 2 MOLECULE: INTRACELLULAR ARABINANASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: 1,5-ALPHA-ARABINANASE; COMPND 5 EC: 3.2.1.99; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GEOBACILLUS STEAROTHERMOPHILUS; SOURCE 3 ORGANISM_COMMON: GEOBACILLUS STEAROTHERMOPHILUS; SOURCE 4 ORGANISM_TAXID: 1422; SOURCE 5 STRAIN: T-6; SOURCE 6 GENE: ABN; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PET9D KEYWDS ARABINANASE, GLYCOSYL HYDROLASE, BETA-PROPELLER, GEOBACILLUS KEYWDS 2 STEAROTHERMOPHILUS, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR A.ALHASSID,A.BEN DAVID,Y.SHOHAM,G.SHOHAM REVDAT 6 01-NOV-23 3D60 1 REMARK REVDAT 5 10-NOV-21 3D60 1 REMARK SEQADV REVDAT 4 25-OCT-17 3D60 1 REMARK REVDAT 3 04-AUG-09 3D60 1 JRNL REVDAT 2 23-JUN-09 3D60 1 JRNL REVDAT 1 21-APR-09 3D60 0 JRNL AUTH A.ALHASSID,A.BEN-DAVID,O.TABACHNIKOV,D.LIBSTER,E.NAVEH, JRNL AUTH 2 G.ZOLOTNITSKY,Y.SHOHAM,G.SHOHAM JRNL TITL CRYSTAL STRUCTURE OF AN INVERTING GH 43 JRNL TITL 2 1,5-ALPHA-L-ARABINANASE FROM GEOBACILLUS STEAROTHERMOPHILUS JRNL TITL 3 COMPLEXED WITH ITS SUBSTRATE JRNL REF BIOCHEM.J. V. 422 73 2009 JRNL REFN ISSN 0264-6021 JRNL PMID 19505290 JRNL DOI 10.1042/BJ20090180 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.2 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.92 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 480062.080 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.9 REMARK 3 NUMBER OF REFLECTIONS : 22094 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.193 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2205 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3114 REMARK 3 BIN R VALUE (WORKING SET) : 0.2390 REMARK 3 BIN FREE R VALUE : 0.2730 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 319 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.015 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2521 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 201 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.70000 REMARK 3 B22 (A**2) : -3.47000 REMARK 3 B33 (A**2) : 2.77000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.09 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.25 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.15 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.740 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.270 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.980 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.960 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.900 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.40 REMARK 3 BSOL : 42.52 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 3D60 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 21-MAY-08. REMARK 100 THE DEPOSITION ID IS D_1000047635. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-JAN-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 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 RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23506 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 7.100 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : 0.05500 REMARK 200 FOR THE DATA SET : 14.0000 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) : 1.94 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.36000 REMARK 200 R SYM FOR SHELL (I) : 0.40600 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: CNS REMARK 200 STARTING MODEL: PDB ENTRY 3CU9 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.61 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.75M LITHIUM SULFATE, 0.1M TRIS REMARK 280 BUFFER PH 8.5, 3% (W/V) PGME 2000, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.81100 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.81100 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 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 42.75350 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 44.87250 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 42.75350 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 44.87250 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 37.81100 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 42.75350 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 44.87250 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 37.81100 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 42.75350 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 44.87250 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2590 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24560 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -34.0 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 37.81100 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 TRP A 17 41.83 -103.81 REMARK 500 ALA A 25 142.78 -170.14 REMARK 500 ILE A 46 111.63 74.91 REMARK 500 MET A 60 -136.60 -116.15 REMARK 500 ALA A 85 80.21 28.77 REMARK 500 GLU A 127 116.97 -166.57 REMARK 500 PHE A 162 -178.62 -170.66 REMARK 500 SER A 164 119.43 -160.62 REMARK 500 PHE A 165 -159.43 55.06 REMARK 500 TRP A 166 -131.14 54.01 REMARK 500 ASP A 219 -143.74 68.16 REMARK 500 CYS A 221 -165.54 -109.46 REMARK 500 CYS A 222 54.71 35.81 REMARK 500 ARG A 223 23.19 -146.82 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 CA A 400 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3CU9 RELATED DB: PDB REMARK 900 1,5-ALPHA-ARABINANASE, NATIVE FORM REMARK 900 RELATED ID: 3D5Y RELATED DB: PDB REMARK 900 1,5-ALPHA-ARABINANASE, CATALYTIC MUTANT E201A REMARK 900 RELATED ID: 3D5Z RELATED DB: PDB REMARK 900 1,5-ALPHA-ARABINANASE, CATALYTIC MUTANT E201A COMPLEXED TO REMARK 900 ARABINOTRIOSE REMARK 900 RELATED ID: 3D61 RELATED DB: PDB REMARK 900 1,5-ALPHA-ARABINANASE, CATALYTIC MUTANT D147A COMPLEXED TO REMARK 900 ARABINOBIOSE DBREF 3D60 A 2 315 UNP B3EYM8 B3EYM8_BACST 2 315 SEQADV 3D60 ALA A 27 UNP B3EYM8 ASP 27 ENGINEERED MUTATION SEQRES 1 A 314 VAL HIS PHE HIS PRO PHE GLY ASN VAL ASN PHE TYR GLU SEQRES 2 A 314 MET ASP TRP SER LEU LYS GLY ASP LEU TRP ALA HIS ALA SEQRES 3 A 314 PRO VAL ILE ALA LYS GLU GLY SER ARG TRP TYR VAL PHE SEQRES 4 A 314 HIS THR GLY SER GLY ILE GLN ILE LYS THR SER GLU ASP SEQRES 5 A 314 GLY VAL HIS TRP GLU ASN MET GLY TRP VAL PHE PRO SER SEQRES 6 A 314 LEU PRO ASP TRP TYR LYS GLN TYR VAL PRO GLU LYS ASP SEQRES 7 A 314 GLU ASP HIS LEU TRP ALA PRO ASP ILE CYS PHE TYR ASN SEQRES 8 A 314 GLY ILE TYR TYR LEU TYR TYR SER VAL SER THR PHE GLY SEQRES 9 A 314 LYS ASN THR SER VAL ILE GLY LEU ALA THR ASN GLN THR SEQRES 10 A 314 LEU ASP PRO ARG ASP PRO ASP TYR GLU TRP LYS ASP MET SEQRES 11 A 314 GLY PRO VAL ILE HIS SER THR ALA SER ASP ASN TYR ASN SEQRES 12 A 314 ALA ILE ASP PRO ASN VAL VAL PHE ASP GLN GLU GLY GLN SEQRES 13 A 314 PRO TRP LEU SER PHE GLY SER PHE TRP SER GLY ILE GLN SEQRES 14 A 314 LEU ILE GLN LEU ASP THR GLU THR MET LYS PRO ALA ALA SEQRES 15 A 314 GLN ALA GLU LEU LEU THR ILE ALA SER ARG GLY GLU GLU SEQRES 16 A 314 PRO ASN ALA ILE GLU ALA PRO PHE ILE VAL CYS ARG ASN SEQRES 17 A 314 GLY TYR TYR TYR LEU PHE VAL SER PHE ASP PHE CYS CYS SEQRES 18 A 314 ARG GLY ILE GLU SER THR TYR LYS ILE ALA VAL GLY ARG SEQRES 19 A 314 SER LYS ASP ILE THR GLY PRO TYR VAL ASP LYS ASN GLY SEQRES 20 A 314 VAL SER MET MET GLN GLY GLY GLY THR ILE LEU ASP GLU SEQRES 21 A 314 GLY ASN ASP ARG TRP ILE GLY PRO GLY HIS CYS ALA VAL SEQRES 22 A 314 TYR PHE SER GLY VAL SER ALA ILE LEU VAL ASN HIS ALA SEQRES 23 A 314 TYR ASP ALA LEU LYS ASN GLY GLU PRO THR LEU GLN ILE SEQRES 24 A 314 ARG PRO LEU TYR TRP ASP ASP GLU GLY TRP PRO TYR LEU SEQRES 25 A 314 SER VAL HET CA A 400 1 HETNAM CA CALCIUM ION FORMUL 2 CA CA 2+ FORMUL 3 HOH *201(H2 O) HELIX 1 1 TRP A 70 VAL A 75 1 6 HELIX 2 2 ARG A 223 SER A 227 5 5 HELIX 3 3 SER A 250 GLY A 254 5 5 SHEET 1 A 5 LYS A 20 GLY A 21 0 SHEET 2 A 5 HIS A 56 TRP A 62 1 O TRP A 57 N LYS A 20 SHEET 3 A 5 GLN A 47 SER A 51 -1 N ILE A 48 O MET A 60 SHEET 4 A 5 ARG A 36 HIS A 41 -1 N TRP A 37 O SER A 51 SHEET 5 A 5 VAL A 29 GLU A 33 -1 N ALA A 31 O TYR A 38 SHEET 1 B 5 GLY A 43 SER A 44 0 SHEET 2 B 5 HIS A 82 TYR A 91 -1 O LEU A 83 N GLY A 43 SHEET 3 B 5 ILE A 94 VAL A 101 -1 O TYR A 96 N CYS A 89 SHEET 4 B 5 SER A 109 ASN A 116 -1 O ALA A 114 N LEU A 97 SHEET 5 B 5 LYS A 129 SER A 137 -1 O VAL A 134 N ILE A 111 SHEET 1 C 4 ASN A 149 PHE A 152 0 SHEET 2 C 4 PRO A 158 PHE A 162 -1 O TRP A 159 N VAL A 151 SHEET 3 C 4 ILE A 169 GLN A 173 -1 O GLN A 170 N PHE A 162 SHEET 4 C 4 LEU A 188 ALA A 191 -1 O ILE A 190 N ILE A 169 SHEET 1 D 4 ILE A 200 ARG A 208 0 SHEET 2 D 4 TYR A 211 PHE A 218 -1 O TYR A 213 N VAL A 206 SHEET 3 D 4 LYS A 230 SER A 236 -1 O LYS A 230 N PHE A 218 SHEET 4 D 4 THR A 257 ASP A 260 -1 O LEU A 259 N ILE A 231 SHEET 1 E 4 TRP A 266 SER A 277 0 SHEET 2 E 4 SER A 280 ASP A 289 -1 O VAL A 284 N ALA A 273 SHEET 3 E 4 PRO A 296 TRP A 305 -1 O ARG A 301 N LEU A 283 SHEET 4 E 4 PRO A 311 LEU A 313 -1 O TYR A 312 N TYR A 304 SSBOND 1 CYS A 221 CYS A 222 1555 1555 2.96 CISPEP 1 GLU A 196 PRO A 197 0 -0.23 CISPEP 2 GLY A 241 PRO A 242 0 0.05 SITE 1 AC1 6 HOH A 502 HOH A 512 HOH A 522 HOH A 563 SITE 2 AC1 6 HOH A 566 HOH A 706 CRYST1 85.507 89.745 75.622 90.00 90.00 90.00 C 2 2 21 8 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 0.011695 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011143 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013224 0.00000