HEADER HYDROLASE 18-MAY-08 3D5Y TITLE HIGH RESOLUTION CRYSTAL STRUCTURE OF 1,5-ALPHA-ARABINANASE CATALYTIC TITLE 2 MUTANT (ABNBE201A) 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, HIGH RESOLUTION, BETA-PROPELLER, KEYWDS 2 GEOBACILLUS STEAROTHERMOPHILUS, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR A.ALHASSID,A.BEN DAVID,Y.SHOHAM,G.SHOHAM REVDAT 5 01-NOV-23 3D5Y 1 REMARK REVDAT 4 10-NOV-21 3D5Y 1 REMARK SEQADV REVDAT 3 04-AUG-09 3D5Y 1 JRNL REVDAT 2 23-JUN-09 3D5Y 1 JRNL REVDAT 1 21-APR-09 3D5Y 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. 1.22 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.22 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 90.1 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.158 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.158 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.192 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.300 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 4150 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 78902 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.154 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.154 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.188 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.200 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 3863 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 73608 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2516 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 278 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2797.5 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 0 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 21381 REMARK 3 NUMBER OF RESTRAINTS : 26021 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 ANGLE DISTANCES (A) : 0.029 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.032 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.074 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.082 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.027 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.004 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.046 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE R REMARK 3 (NO CUTOFF) BY ? REMARK 4 REMARK 4 3D5Y 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_1000047633. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-JUN-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X10SA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.978578 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 83088 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.220 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 16.00 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : 0.05900 REMARK 200 FOR THE DATA SET : 16.6000 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) : 1.24 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 10.30 REMARK 200 R MERGE FOR SHELL (I) : 0.24000 REMARK 200 R SYM FOR SHELL (I) : 0.26800 REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: AB INITIO REMARK 200 SOFTWARE USED: SHELX REMARK 200 STARTING MODEL: PDB ENTRY 3CU9 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.83 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.9M LITHIUM SULFATE, 0.1M TRIS BUFFER REMARK 280 PH 8.5, 4%(W/V) PEG 400, 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 37.75150 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 37.75150 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 42.92700 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 44.83600 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 42.92700 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 44.83600 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 37.75150 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 42.92700 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 44.83600 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 37.75150 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 42.92700 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 44.83600 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: 2450 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24320 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -37.0 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 37.75150 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 36 NE - CZ - NH1 ANGL. DEV. = 4.5 DEGREES REMARK 500 ARG A 36 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 PHE A 64 CB - CG - CD2 ANGL. DEV. = -5.1 DEGREES REMARK 500 TYR A 71 CB - CG - CD2 ANGL. DEV. = -4.6 DEGREES REMARK 500 ASP A 123 CB - CG - OD2 ANGL. DEV. = -6.4 DEGREES REMARK 500 ASP A 125 CB - CG - OD2 ANGL. DEV. = -10.5 DEGREES REMARK 500 TYR A 229 CB - CG - CD2 ANGL. DEV. = -5.3 DEGREES REMARK 500 TYR A 229 CB - CG - CD1 ANGL. DEV. = 5.0 DEGREES REMARK 500 LEU A 259 CA - CB - CG ANGL. DEV. = 13.9 DEGREES REMARK 500 ARG A 265 NE - CZ - NH1 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG A 265 NE - CZ - NH2 ANGL. DEV. = 5.6 DEGREES 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 VAL A 10 135.89 -3.49 REMARK 500 TRP A 17 33.56 -89.65 REMARK 500 ILE A 46 112.27 68.59 REMARK 500 ASP A 79 27.44 -142.98 REMARK 500 SER A 164 115.29 -166.27 REMARK 500 PHE A 165 -168.07 62.48 REMARK 500 TRP A 166 -131.09 55.85 REMARK 500 ASP A 219 -149.84 71.78 REMARK 500 ASN A 263 -168.95 -163.82 REMARK 500 HIS A 271 73.66 49.79 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: 3D5Z RELATED DB: PDB REMARK 900 1,5-ALPHA-ARABINANASE, CATALYTIC MUTANT E201A COMPLEXED TO REMARK 900 ARABINOTRIOSE REMARK 900 RELATED ID: 3D60 RELATED DB: PDB REMARK 900 1,5-ALPHA-ARABINANASE, CATALYTIC MUTANT D27A REMARK 900 RELATED ID: 3D61 RELATED DB: PDB REMARK 900 1,5-ALPHA-ARABINANASE, CATALYTIC MUTANT D147A COMPLEXED TO REMARK 900 ARABINOBIOSE REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE 9TH RESIDUE, GLY, IS NOT A PLANNED MUTATION BUT A REMARK 999 MUTATION IN THE CURRENT MODELS. DBREF 3D5Y A 2 315 UNP B3EYM8 B3EYM8_BACST 2 315 SEQADV 3D5Y GLY A 9 UNP B3EYM8 ASN 9 SEE REMARK 999 SEQADV 3D5Y ALA A 201 UNP B3EYM8 GLU 201 ENGINEERED MUTATION SEQRES 1 A 314 VAL HIS PHE HIS PRO PHE GLY GLY VAL ASN PHE TYR GLU SEQRES 2 A 314 MET ASP TRP SER LEU LYS GLY ASP LEU TRP ALA HIS ASP 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 ALA 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 *278(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 ILE A 94 N TYR A 91 SHEET 4 B 5 SER A 109 ASN A 116 -1 O ASN A 116 N TYR A 95 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 LEU A 188 N LEU A 171 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 211 N ARG A 208 SHEET 3 D 4 LYS A 230 SER A 236 -1 O SER A 236 N TYR A 212 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 2.13 CISPEP 1 GLU A 196 PRO A 197 0 -9.44 CISPEP 2 GLY A 241 PRO A 242 0 0.03 SITE 1 AC1 7 HIS A 271 HOH A1001 HOH A1006 HOH A1018 SITE 2 AC1 7 HOH A1019 HOH A1052 HOH A1151 CRYST1 85.854 89.672 75.503 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 0.011648 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011152 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013245 0.00000