HEADER HYDROLASE 28-AUG-09 3ITI TITLE STRUCTURE OF BOVINE TRYPSIN WITH THE MAD TRIANGLE B3C COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATIONIC TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BETA-TRYPSIN, ALPHA-TRYPSIN CHAIN 1, ALPHA-TRYPSIN CHAIN 2; COMPND 5 EC: 3.4.21.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: BOVINE,COW,DOMESTIC CATTLE,DOMESTIC COW; SOURCE 4 ORGANISM_TAXID: 9913 KEYWDS PHASING TOOL, 5-AMINO-2, 4, 6-TRIBROMOISOPHTHALIC ACID, B3C, MAD KEYWDS 2 TRIANGLE, I3C, MAGIC TRIANGLE, DIGESTION, DISULFIDE BOND, HYDROLASE, KEYWDS 3 METAL-BINDING, PROTEASE, SECRETED, SERINE PROTEASE, ZYMOGEN EXPDTA X-RAY DIFFRACTION AUTHOR T.BECK,C.E.DA CUNHA,G.M.SHELDRICK REVDAT 4 16-OCT-24 3ITI 1 REMARK LINK REVDAT 3 24-JAN-18 3ITI 1 JRNL REVDAT 2 21-MAR-12 3ITI 1 JRNL VERSN REVDAT 1 27-OCT-09 3ITI 0 JRNL AUTH T.BECK,C.E.DA CUNHA,G.M.SHELDRICK JRNL TITL HOW TO GET THE MAGIC TRIANGLE AND THE MAD TRIANGLE INTO YOUR JRNL TITL 2 PROTEIN CRYSTAL. JRNL REF ACTA CRYSTALLOGR.,SECT.F V. 65 1068 2009 JRNL REFN ESSN 1744-3091 JRNL PMID 19851024 JRNL DOI 10.1107/S1744309109036884 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.BECK,T.GRUENE,G.M.SHELDRICK REMARK 1 TITL THE MAGIC TRIANGLE GOES MAD: PHASING WITH A BROMINE REMARK 1 TITL 2 DERIVATIVE REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D REMARK 1 REFN ISSN 0907-4449 REMARK 1 REFERENCE 2 REMARK 1 AUTH T.BECK,R.HERBST-IRMER,G.M.SHELDRICK REMARK 1 TITL 5-AMINO-2,4,6-TRIBROMOISOPHTHALIC ACID: THE MAD TRIANGLE FOR REMARK 1 TITL 2 EXPERIMENTAL PHASING REMARK 1 REF ACTA CRYSTALLOGR.,SECT.C V. 65 O237 2009 REMARK 1 REFN ISSN 0108-2701 REMARK 1 PMID 19407425 REMARK 2 REMARK 2 RESOLUTION. 1.55 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELX REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.55 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.84 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 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) : 0.168 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.168 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.213 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1529 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 30344 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1599 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 27 REMARK 3 SOLVENT ATOMS : 243 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 ANGLE DISTANCES (A) : 0.024 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.497 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.050 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.052 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.013 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.044 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NONE REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3ITI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 31-AUG-09. REMARK 100 THE DEPOSITION ID IS D_1000054846. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-JAN-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 9.5 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 : MACSCIENCE REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54178 REMARK 200 MONOCHROMATOR : MULTI-LAYER INCOATEC OPTICS REMARK 200 OPTICS : MULTI-LAYER INCOATEC OPTICS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRUKER SMART 6000 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SAINT REMARK 200 DATA SCALING SOFTWARE : SADABS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30398 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.550 REMARK 200 RESOLUTION RANGE LOW (A) : 41.840 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 7.690 REMARK 200 R MERGE (I) : 0.06580 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 18.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.65 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.7 REMARK 200 DATA REDUNDANCY IN SHELL : 3.61 REMARK 200 R MERGE FOR SHELL (I) : 0.28800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.870 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SHELXD REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.72 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.19 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PRECIPITANT: 30% PEG 3000, 0.1 M CHES, REMARK 280 PROTEIN 60 MG/ML, DROP SIZE 100 NL PROTEIN SOLUTION PLUS 100 NL REMARK 280 PRECIPITANT, PH 9.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 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 26.82900 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.40400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.44150 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.40400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.82900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.44150 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 SER A 44 OG REMARK 470 LYS A 91 CG CD CE NZ REMARK 470 SER A 98 OG REMARK 470 ARG A 99 CZ NH1 NH2 REMARK 470 GLN A 115 NE2 REMARK 470 LYS A 125 CE NZ REMARK 470 SER A 127 OG REMARK 470 ASP A 145 OD1 OD2 REMARK 470 LYS A 149 CD CE NZ REMARK 470 GLU A 167 OE2 REMARK 470 LYS A 170 NZ REMARK 470 LYS A 200 CD CE NZ REMARK 470 SER A 214 OG REMARK 470 LYS A 217 CD CE NZ REMARK 470 GLN A 218 CD OE1 NE2 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 TYR A 206 CB - CG - CD2 ANGL. DEV. = 3.6 DEGREES REMARK 500 TYR A 212 CB - CG - CD1 ANGL. DEV. = -3.6 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 12 73.02 -119.49 REMARK 500 ASP A 53 -78.15 -121.10 REMARK 500 SER A 177 133.95 -35.95 REMARK 500 SER A 192 -65.06 -123.76 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 49 0.09 SIDE CHAIN 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 303 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 52 OE2 REMARK 620 2 ASN A 54 O 89.6 REMARK 620 3 VAL A 57 O 163.3 82.8 REMARK 620 4 GLU A 62 OE2 100.2 161.9 91.3 REMARK 620 5 HOH A 406 O 86.4 88.6 108.2 77.0 REMARK 620 6 HOH A 503 O 77.5 103.8 89.8 93.2 159.5 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BRV A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEN A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 304 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3E3D RELATED DB: PDB REMARK 900 STRUCTURE OF HEN EGG WHITE LYSOZYME WITH THE MAGIC TRIANGLE I3C REMARK 900 RELATED ID: 3E3S RELATED DB: PDB REMARK 900 STRUCTURE OF THAUMATIN WITH THE MAGIC TRIANGLE I3C REMARK 900 RELATED ID: 3E3T RELATED DB: PDB REMARK 900 STRUCTURE OF PORCINE PANCREATIC ELASTASE WITH THE MAGIC TRIANGLE I3C REMARK 900 RELATED ID: 3GT3 RELATED DB: PDB REMARK 900 STRUCTURE OF PROTEINASE K WITH THE MAD TRIANGLE B3C REMARK 900 RELATED ID: 3GT4 RELATED DB: PDB REMARK 900 STRUCTURE OF PROTEINASE K WITH THE MAGIC TRIANGLE I3C DBREF 3ITI A 1 223 UNP P00760 TRY1_BOVIN 24 246 SEQRES 1 A 223 ILE VAL GLY GLY TYR THR CYS GLY ALA ASN THR VAL PRO SEQRES 2 A 223 TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY SEQRES 3 A 223 GLY SER LEU ILE ASN SER GLN TRP VAL VAL SER ALA ALA SEQRES 4 A 223 HIS CYS TYR LYS SER GLY ILE GLN VAL ARG LEU GLY GLU SEQRES 5 A 223 ASP ASN ILE ASN VAL VAL GLU GLY ASN GLU GLN PHE ILE SEQRES 6 A 223 SER ALA SER LYS SER ILE VAL HIS PRO SER TYR ASN SER SEQRES 7 A 223 ASN THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU LYS SEQRES 8 A 223 SER ALA ALA SER LEU ASN SER ARG VAL ALA SER ILE SER SEQRES 9 A 223 LEU PRO THR SER CYS ALA SER ALA GLY THR GLN CYS LEU SEQRES 10 A 223 ILE SER GLY TRP GLY ASN THR LYS SER SER GLY THR SER SEQRES 11 A 223 TYR PRO ASP VAL LEU LYS CYS LEU LYS ALA PRO ILE LEU SEQRES 12 A 223 SER ASP SER SER CYS LYS SER ALA TYR PRO GLY GLN ILE SEQRES 13 A 223 THR SER ASN MET PHE CYS ALA GLY TYR LEU GLU GLY GLY SEQRES 14 A 223 LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 A 223 CYS SER GLY LYS LEU GLN GLY ILE VAL SER TRP GLY SER SEQRES 16 A 223 GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR LYS SEQRES 17 A 223 VAL CYS ASN TYR VAL SER TRP ILE LYS GLN THR ILE ALA SEQRES 18 A 223 SER ASN HET BRV A 301 16 HET BEN A 302 9 HET CA A 303 1 HET CL A 304 1 HETNAM BRV 5-AMINO-2,4,6-TRIBROMOBENZENE-1,3-DICARBOXYLIC ACID HETNAM BEN BENZAMIDINE HETNAM CA CALCIUM ION HETNAM CL CHLORIDE ION HETSYN BRV 5-AMINO-2,4,6-TRIBROMOISOPHTHALIC ACID FORMUL 2 BRV C8 H4 BR3 N O4 FORMUL 3 BEN C7 H8 N2 FORMUL 4 CA CA 2+ FORMUL 5 CL CL 1- FORMUL 6 HOH *243(H2 O) HELIX 1 1 ALA A 38 TYR A 42 5 5 HELIX 2 2 SER A 144 TYR A 152 1 9 HELIX 3 3 TYR A 212 ALA A 221 1 10 SHEET 1 A 7 TYR A 5 THR A 6 0 SHEET 2 A 7 LYS A 136 PRO A 141 -1 O CYS A 137 N TYR A 5 SHEET 3 A 7 GLN A 115 GLY A 120 -1 N CYS A 116 O ALA A 140 SHEET 4 A 7 PRO A 180 CYS A 183 -1 O VAL A 182 N LEU A 117 SHEET 5 A 7 LYS A 186 TRP A 193 -1 O GLY A 189 N VAL A 181 SHEET 6 A 7 GLY A 204 LYS A 208 -1 O VAL A 205 N TRP A 193 SHEET 7 A 7 MET A 160 ALA A 163 -1 N PHE A 161 O TYR A 206 SHEET 1 B 7 GLN A 15 ASN A 19 0 SHEET 2 B 7 HIS A 23 ASN A 31 -1 O CYS A 25 N LEU A 18 SHEET 3 B 7 TRP A 34 SER A 37 -1 O VAL A 36 N SER A 28 SHEET 4 B 7 MET A 86 LEU A 90 -1 O MET A 86 N SER A 37 SHEET 5 B 7 GLN A 63 VAL A 72 -1 N ILE A 71 O LEU A 87 SHEET 6 B 7 GLN A 47 LEU A 50 -1 N VAL A 48 O ILE A 65 SHEET 7 B 7 GLN A 15 ASN A 19 -1 N ASN A 19 O GLN A 47 SSBOND 1 CYS A 7 CYS A 137 1555 1555 2.02 SSBOND 2 CYS A 25 CYS A 41 1555 1555 2.04 SSBOND 3 CYS A 109 CYS A 210 1555 1555 2.05 SSBOND 4 CYS A 116 CYS A 183 1555 1555 2.00 SSBOND 5 CYS A 148 CYS A 162 1555 1555 2.02 SSBOND 6 CYS A 173 CYS A 197 1555 1555 2.03 LINK OE2 GLU A 52 CA CA A 303 1555 1555 2.31 LINK O ASN A 54 CA CA A 303 1555 1555 2.24 LINK O VAL A 57 CA CA A 303 1555 1555 2.27 LINK OE2 GLU A 62 CA CA A 303 1555 1555 2.34 LINK CA CA A 303 O HOH A 406 1555 1555 2.38 LINK CA CA A 303 O HOH A 503 1555 1555 2.41 SITE 1 AC1 19 SER A 108 CYS A 109 ALA A 110 SER A 111 SITE 2 AC1 19 THR A 114 ASN A 123 SER A 126 SER A 127 SITE 3 AC1 19 GLY A 128 THR A 129 TYR A 131 CYS A 173 SITE 4 AC1 19 GLN A 174 SER A 184 LYS A 186 HOH A 414 SITE 5 AC1 19 HOH A 420 HOH A 496 HOH A 522 SITE 1 AC2 9 ASP A 171 SER A 172 CYS A 173 SER A 177 SITE 2 AC2 9 TRP A 193 GLY A 194 GLY A 196 GLY A 204 SITE 3 AC2 9 HOH A 403 SITE 1 AC3 6 GLU A 52 ASN A 54 VAL A 57 GLU A 62 SITE 2 AC3 6 HOH A 406 HOH A 503 SITE 1 AC4 1 SER A 146 CRYST1 53.658 56.883 66.808 90.00 90.00 90.00 P 21 21 21 4 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 0.018637 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017580 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014968 0.00000