HEADER HYDROLASE 08-AUG-08 3E3T TITLE STRUCTURE OF PORCINE PANCREATIC ELASTASE WITH THE MAGIC TRIANGLE I3C COMPND MOL_ID: 1; COMPND 2 MOLECULE: ELASTASE-1; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.36 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SUS SCROFA; SOURCE 3 ORGANISM_COMMON: PIG; SOURCE 4 ORGANISM_TAXID: 9823 KEYWDS PHASING TOOL, 5-AMINO-2,4,6-TRIIODOISOPHTHALIC ACID, MAGIC TRIANGLE, KEYWDS 2 I3C, HYDROLASE, METAL-BINDING, PROTEASE, SECRETED, SERINE PROTEASE, KEYWDS 3 ZYMOGEN EXPDTA X-RAY DIFFRACTION AUTHOR T.BECK,T.GRUENE,G.M.SHELDRICK REVDAT 3 11-APR-12 3E3T 1 JRNL VERSN REVDAT 2 24-FEB-09 3E3T 1 VERSN REVDAT 1 28-OCT-08 3E3T 0 JRNL AUTH T.BECK,A.KRASAUSKAS,T.GRUENE,G.M.SHELDRICK JRNL TITL A MAGIC TRIANGLE FOR EXPERIMENTAL PHASING OF MACROMOLECULES JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 64 1179 2008 JRNL REFN ISSN 0907-4449 JRNL PMID 19020357 JRNL DOI 10.1107/S0907444908030266 REMARK 2 REMARK 2 RESOLUTION. 1.60 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.20 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.6 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) : 0.159 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.157 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.213 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1443 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 28897 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.153 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.152 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.280 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 1356 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 25677 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1806 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 75 REMARK 3 SOLVENT ATOMS : 300 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 : 12 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 9019 REMARK 3 NUMBER OF RESTRAINTS : 8280 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 ANGLE DISTANCES (A) : 0.024 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.004 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.500 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.047 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.053 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.015 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.060 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 & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: SIDE CHAIN IS DISORDERED AND I3C SITE REMARK 3 IS ALSO NOT FULLY OCCUPIED. REMARK 4 REMARK 4 3E3T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 13-AUG-08. REMARK 100 THE RCSB ID CODE IS RCSB048839. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-MAR-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 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 : 28897 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 37.200 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 11.200 REMARK 200 R MERGE (I) : 0.03800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 40.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.70 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.5 REMARK 200 DATA REDUNDANCY IN SHELL : 2.76 REMARK 200 R MERGE FOR SHELL (I) : 0.10000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 8.380 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 (%): 40.96 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M HEPES, 0.6M SODIUM SULFATE, PH REMARK 280 8.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K 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 25.04800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.19750 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.98650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.19750 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.04800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.98650 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 ARG A 21 CZ NH1 NH2 REMARK 470 ASN A 63 CG OD1 ND2 REMARK 470 GLN A 64 CG CD OE1 NE2 REMARK 470 ARG A 116 CG CD NE CZ NH1 NH2 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 VAL A 168 CB CG1 CG2 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 9 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG A 49 CD - NE - CZ ANGL. DEV. = 13.0 DEGREES REMARK 500 ARG A 211 NE - CZ - NH1 ANGL. DEV. = 3.4 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 HIS A 60 -56.08 -134.00 REMARK 500 ASN A 106 -164.05 -164.03 REMARK 500 TYR A 163 -113.34 -95.52 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 0.13 SIDE CHAIN REMARK 500 ARG A 211 0.15 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 THE REFERENCE OF I3C IS ACTA CRYSTALLOGRAPHICA SECTION E(2008) E64, REMARK 600 O1286 TITLE: 5-AMINO-2,4,6-TRIIODOISOPHTHALIC ACID MONOHYDRATE REMARK 600 AUTHOR: T. BECK AND G.M. SHELDRICK REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 I3C A 245 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 NA A 243 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 59 OE2 REMARK 620 2 ASN A 61 O 84.5 REMARK 620 3 GLN A 64 O 165.4 82.2 REMARK 620 4 ASN A 66 ND2 84.5 104.1 93.0 REMARK 620 5 GLU A 69 OE2 99.4 175.7 93.8 74.6 REMARK 620 6 HOH A1057 O 88.5 106.5 100.9 147.7 75.5 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 SO4 A 241 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 242 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 243 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD A 244 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE I3C A 245 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE I3C A 246 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE I3C A 247 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE I3C A 248 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3E3D RELATED DB: PDB REMARK 900 STRUCTURE OF HEW 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 999 REMARK 999 SEQUENCE REMARK 999 THIS SEQUENCE IS FROM REFERENCE 3 IN UNP DATABASE, P00772. REMARK 999 BIOCHEM. J. 131:643-675(1973) REMARK 999 SHOTTON D.M., HARTLEY B.S. REMARK 999 EVIDENCE FOR THE AMINO ACID SEQUENCE OF PORCINE PANCREATIC ELASTASE DBREF 3E3T A 1 240 UNP P00772 ELA1_PIG 27 266 SEQADV 3E3T ASN A 66 UNP P00772 ASP 92 SEE REMARK 999 SEQRES 1 A 240 VAL VAL GLY GLY THR GLU ALA GLN ARG ASN SER TRP PRO SEQRES 2 A 240 SER GLN ILE SER LEU GLN TYR ARG SER GLY SER SER TRP SEQRES 3 A 240 ALA HIS THR CYS GLY GLY THR LEU ILE ARG GLN ASN TRP SEQRES 4 A 240 VAL MET THR ALA ALA HIS CYS VAL ASP ARG GLU LEU THR SEQRES 5 A 240 PHE ARG VAL VAL VAL GLY GLU HIS ASN LEU ASN GLN ASN SEQRES 6 A 240 ASN GLY THR GLU GLN TYR VAL GLY VAL GLN LYS ILE VAL SEQRES 7 A 240 VAL HIS PRO TYR TRP ASN THR ASP ASP VAL ALA ALA GLY SEQRES 8 A 240 TYR ASP ILE ALA LEU LEU ARG LEU ALA GLN SER VAL THR SEQRES 9 A 240 LEU ASN SER TYR VAL GLN LEU GLY VAL LEU PRO ARG ALA SEQRES 10 A 240 GLY THR ILE LEU ALA ASN ASN SER PRO CYS TYR ILE THR SEQRES 11 A 240 GLY TRP GLY LEU THR ARG THR ASN GLY GLN LEU ALA GLN SEQRES 12 A 240 THR LEU GLN GLN ALA TYR LEU PRO THR VAL ASP TYR ALA SEQRES 13 A 240 ILE CYS SER SER SER SER TYR TRP GLY SER THR VAL LYS SEQRES 14 A 240 ASN SER MET VAL CYS ALA GLY GLY ASP GLY VAL ARG SER SEQRES 15 A 240 GLY CYS GLN GLY ASP SER GLY GLY PRO LEU HIS CYS LEU SEQRES 16 A 240 VAL ASN GLY GLN TYR ALA VAL HIS GLY VAL THR SER PHE SEQRES 17 A 240 VAL SER ARG LEU GLY CYS ASN VAL THR ARG LYS PRO THR SEQRES 18 A 240 VAL PHE THR ARG VAL SER ALA TYR ILE SER TRP ILE ASN SEQRES 19 A 240 ASN VAL ILE ALA SER ASN HET SO4 A 241 5 HET SO4 A 242 5 HET NA A 243 1 HET IOD A 244 1 HET I3C A 245 15 HET I3C A 246 16 HET I3C A 247 16 HET I3C A 248 16 HETNAM SO4 SULFATE ION HETNAM NA SODIUM ION HETNAM IOD IODIDE ION HETNAM I3C 5-AMINO-2,4,6-TRIIODOBENZENE-1,3-DICARBOXYLIC ACID HETSYN I3C 5-AMINO-2,4,6-TRIIODOISOPHTHALIC ACID FORMUL 2 SO4 2(O4 S 2-) FORMUL 4 NA NA 1+ FORMUL 5 IOD I 1- FORMUL 6 I3C 4(C8 H4 I3 N O4) FORMUL 10 HOH *300(H2 O) HELIX 1 1 ALA A 43 ASP A 48 5 6 HELIX 2 2 ASP A 87 GLY A 91 5 5 HELIX 3 3 ASP A 154 SER A 159 1 6 HELIX 4 4 TRP A 164 VAL A 168 5 5 HELIX 5 5 TYR A 229 ASN A 240 1 12 SHEET 1 A 8 THR A 5 GLU A 6 0 SHEET 2 A 8 GLN A 146 TYR A 149 -1 O GLN A 147 N THR A 5 SHEET 3 A 8 CYS A 127 GLY A 131 -1 N ILE A 129 O ALA A 148 SHEET 4 A 8 PRO A 191 VAL A 196 -1 O HIS A 193 N TYR A 128 SHEET 5 A 8 GLN A 199 PHE A 208 -1 O ALA A 201 N CYS A 194 SHEET 6 A 8 THR A 221 ARG A 225 -1 O THR A 224 N VAL A 205 SHEET 7 A 8 MET A 172 ALA A 175 -1 N VAL A 173 O PHE A 223 SHEET 8 A 8 THR A 152 VAL A 153 -1 N VAL A 153 O CYS A 174 SHEET 1 B 7 GLN A 15 SER A 22 0 SHEET 2 B 7 SER A 25 ARG A 36 -1 O CYS A 30 N LEU A 18 SHEET 3 B 7 TRP A 39 THR A 42 -1 O MET A 41 N THR A 33 SHEET 4 B 7 ALA A 95 LEU A 99 -1 O LEU A 97 N VAL A 40 SHEET 5 B 7 GLN A 70 VAL A 79 -1 N VAL A 78 O LEU A 96 SHEET 6 B 7 PHE A 53 VAL A 57 -1 N VAL A 55 O VAL A 72 SHEET 7 B 7 GLN A 15 SER A 22 -1 N GLN A 19 O ARG A 54 SSBOND 1 CYS A 30 CYS A 46 1555 1555 2.08 SSBOND 2 CYS A 127 CYS A 194 1555 1555 2.04 SSBOND 3 CYS A 158 CYS A 174 1555 1555 2.04 SSBOND 4 CYS A 184 CYS A 214 1555 1555 2.05 LINK OE2 GLU A 59 NA NA A 243 1555 1555 2.22 LINK O ASN A 61 NA NA A 243 1555 1555 2.23 LINK O GLN A 64 NA NA A 243 1555 1555 2.33 LINK ND2 ASN A 66 NA NA A 243 1555 1555 2.09 LINK OE2 GLU A 69 NA NA A 243 1555 1555 2.33 LINK NA NA A 243 O HOH A1057 1555 1555 2.46 SITE 1 AC1 8 GLY A 118 ARG A 136 ARG A 225 SER A 227 SITE 2 AC1 8 ALA A 228 HOH A1042 HOH A1229 HOH A1280 SITE 1 AC2 7 HIS A 45 GLN A 185 GLY A 186 SER A 188 SITE 2 AC2 7 HOH A1064 HOH A1156 HOH A1207 SITE 1 AC3 6 GLU A 59 ASN A 61 GLN A 64 ASN A 66 SITE 2 AC3 6 GLU A 69 HOH A1057 SITE 1 AC4 1 THR A 135 SITE 1 AC5 8 TYR A 20 ARG A 49 LEU A 51 SER A 160 SITE 2 AC5 8 SER A 161 GLY A 165 SER A 166 HOH A1257 SITE 1 AC6 10 THR A 135 GLN A 140 LEU A 141 GLN A 143 SITE 2 AC6 10 ASN A 170 HOH A1081 HOH A1094 HOH A1225 SITE 3 AC6 10 HOH A1226 HOH A1235 SITE 1 AC7 7 GLN A 37 SER A 102 TYR A 163 GLY A 177 SITE 2 AC7 7 THR A 217 ARG A 218 HOH A1115 SITE 1 AC8 5 ARG A 116 ALA A 117 ILE A 230 SER A 231 SITE 2 AC8 5 ASN A 234 CRYST1 50.096 57.973 74.395 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 0.019962 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017249 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013442 0.00000