HEADER HYDROLASE 27-MAR-09 3GT4 TITLE STRUCTURE OF PROTEINASE K WITH THE MAGIC TRIANGLE I3C COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEINASE K; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TRITIRACHIUM ALKALINE PROTEINASE, ENDOPEPTIDASE K; COMPND 5 EC: 3.4.21.64 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENGYODONTIUM ALBUM; SOURCE 3 ORGANISM_TAXID: 37998 KEYWDS PHASING TOOL, 5-AMINO-2, 4, 6-TRIIODOISOPHTHALIC ACID, I3C, MAGIC KEYWDS 2 TRIANGLE, 6-TRIBROMOISOPHTHALIC ACID, B3C, MAD TRIANGLE, DISULFIDE KEYWDS 3 BOND, HYDROLASE, METAL-BINDING, PROTEASE, SERINE PROTEASE, ZYMOGEN EXPDTA X-RAY DIFFRACTION AUTHOR T.BECK,T.GRUENE,G.M.SHELDRICK REVDAT 3 01-NOV-17 3GT4 1 REMARK REVDAT 2 29-APR-15 3GT4 1 JRNL VERSN REVDAT 1 14-APR-09 3GT4 0 JRNL AUTH T.BECK,T.GRUENE,G.M.SHELDRICK JRNL TITL THE MAGIC TRIANGLE GOES MAD: EXPERIMENTAL PHASING WITH A JRNL TITL 2 BROMINE DERIVATIVE JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 66 374 2010 JRNL REFN ISSN 0907-4449 JRNL PMID 20382990 JRNL DOI 10.1107/S0907444909051609 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.BECK,A.KRASAUSKAS,T.GRUENE,G.M.SHELDRICK REMARK 1 TITL A MAGIC TRIANGLE FOR EXPERIMENTAL PHASING OF MACROMOLECULES REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 64 1179 2008 REMARK 1 REFN ISSN 0907-4449 REMARK 1 PMID 19020357 REMARK 1 DOI 10.1107/S0907444908030266 REMARK 2 REMARK 2 RESOLUTION. 1.76 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) : 1.76 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 47.90 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.8 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) : 0.141 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.140 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.191 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1137 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 22770 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 : 1987 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 53 REMARK 3 SOLVENT ATOMS : 343 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 : 9560 REMARK 3 NUMBER OF RESTRAINTS : 8581 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 ANGLE DISTANCES (A) : 0.023 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.006 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.463 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.038 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.040 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.012 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: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3GT4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 31-MAR-09. REMARK 100 THE DEPOSITION ID IS D_1000052273. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-DEC-08 REMARK 200 TEMPERATURE (KELVIN) : 106 REMARK 200 PH : 7.2 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) : 1.54178 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) FIXED REMARK 200 -EXIT MONOCHROMATOR REMARK 200 OPTICS : DOUBLE CRYSTAL SI(111) FIXED REMARK 200 -EXIT MONOCHROMATOR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SADABS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22828 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.760 REMARK 200 RESOLUTION RANGE LOW (A) : 47.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.8 REMARK 200 DATA REDUNDANCY : 10.14 REMARK 200 R MERGE (I) : 0.04800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 33.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.76 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 62.0 REMARK 200 DATA REDUNDANCY IN SHELL : 1.73 REMARK 200 R MERGE FOR SHELL (I) : 0.13000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 8.300 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: NONE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.02 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS, 1.28M AMMONIUM SULFATE, PH REMARK 280 7.2, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 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 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 50.92250 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 33.89200 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 33.89200 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 76.38375 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 33.89200 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 33.89200 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 25.46125 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 33.89200 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 33.89200 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 76.38375 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 33.89200 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 33.89200 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 25.46125 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 50.92250 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 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 A 401 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 615 LIES ON A SPECIAL POSITION. 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 GLU A 27 CD OE1 OE2 REMARK 470 GLN A 31 CD OE1 NE2 REMARK 470 ARG A 64 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 87 CD CE NZ REMARK 470 ASN A 99 OD1 ND2 REMARK 470 GLN A 103 CD OE1 NE2 REMARK 470 LEU A 131 CG CD1 CD2 REMARK 470 ASN A 161 CG OD1 ND2 REMARK 470 ARG A 167 CD NE CZ NH1 NH2 REMARK 470 LYS A 242 CE NZ REMARK 470 ARG A 250 NE CZ NH1 NH2 REMARK 470 ASN A 276 OD1 ND2 REMARK 470 GLN A 278 CG CD OE1 NE2 REMARK 470 ALA A 279 CB 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 52 NE - CZ - NH2 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG A 80 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES REMARK 500 TYR A 104 CB - CG - CD1 ANGL. DEV. = 4.2 DEGREES REMARK 500 TYR A 137 CB - CG - CD2 ANGL. DEV. = 3.9 DEGREES REMARK 500 ARG A 188 NE - CZ - NH2 ANGL. DEV. = -5.0 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 ASP A 39 -147.66 -170.66 REMARK 500 ASN A 270 75.63 -111.28 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 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 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE I3C A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE I3C A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE I3C A 305 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 309 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3GT3 RELATED DB: PDB REMARK 900 STRUCTURE OF PROTEINASE K WITH THE MAD TRIANGLE B3C 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 DBREF 3GT4 A 1 279 UNP P06873 PRTK_TRIAL 106 384 SEQADV 3GT4 ASP A 207 UNP P06873 SER 312 CONFLICT SEQRES 1 A 279 ALA ALA GLN THR ASN ALA PRO TRP GLY LEU ALA ARG ILE SEQRES 2 A 279 SER SER THR SER PRO GLY THR SER THR TYR TYR TYR ASP SEQRES 3 A 279 GLU SER ALA GLY GLN GLY SER CYS VAL TYR VAL ILE ASP SEQRES 4 A 279 THR GLY ILE GLU ALA SER HIS PRO GLU PHE GLU GLY ARG SEQRES 5 A 279 ALA GLN MET VAL LYS THR TYR TYR TYR SER SER ARG ASP SEQRES 6 A 279 GLY ASN GLY HIS GLY THR HIS CYS ALA GLY THR VAL GLY SEQRES 7 A 279 SER ARG THR TYR GLY VAL ALA LYS LYS THR GLN LEU PHE SEQRES 8 A 279 GLY VAL LYS VAL LEU ASP ASP ASN GLY SER GLY GLN TYR SEQRES 9 A 279 SER THR ILE ILE ALA GLY MET ASP PHE VAL ALA SER ASP SEQRES 10 A 279 LYS ASN ASN ARG ASN CYS PRO LYS GLY VAL VAL ALA SER SEQRES 11 A 279 LEU SER LEU GLY GLY GLY TYR SER SER SER VAL ASN SER SEQRES 12 A 279 ALA ALA ALA ARG LEU GLN SER SER GLY VAL MET VAL ALA SEQRES 13 A 279 VAL ALA ALA GLY ASN ASN ASN ALA ASP ALA ARG ASN TYR SEQRES 14 A 279 SER PRO ALA SER GLU PRO SER VAL CYS THR VAL GLY ALA SEQRES 15 A 279 SER ASP ARG TYR ASP ARG ARG SER SER PHE SER ASN TYR SEQRES 16 A 279 GLY SER VAL LEU ASP ILE PHE GLY PRO GLY THR ASP ILE SEQRES 17 A 279 LEU SER THR TRP ILE GLY GLY SER THR ARG SER ILE SER SEQRES 18 A 279 GLY THR SER MET ALA THR PRO HIS VAL ALA GLY LEU ALA SEQRES 19 A 279 ALA TYR LEU MET THR LEU GLY LYS THR THR ALA ALA SER SEQRES 20 A 279 ALA CYS ARG TYR ILE ALA ASP THR ALA ASN LYS GLY ASP SEQRES 21 A 279 LEU SER ASN ILE PRO PHE GLY THR VAL ASN LEU LEU ALA SEQRES 22 A 279 TYR ASN ASN TYR GLN ALA HET I3C A 301 16 HET I3C A 302 16 HET I3C A 305 16 HET SO4 A 309 5 HETNAM I3C 5-AMINO-2,4,6-TRIIODOBENZENE-1,3-DICARBOXYLIC ACID HETNAM SO4 SULFATE ION HETSYN I3C 5-AMINO-2,4,6-TRIIODOISOPHTHALIC ACID FORMUL 2 I3C 3(C8 H4 I3 N O4) FORMUL 5 SO4 O4 S 2- FORMUL 6 HOH *343(H2 O) HELIX 1 1 PRO A 7 SER A 14 1 8 HELIX 2 2 HIS A 46 GLU A 50 5 5 HELIX 3 3 GLY A 68 SER A 79 1 12 HELIX 4 4 GLN A 103 LYS A 118 1 16 HELIX 5 5 ASN A 119 ARG A 121 5 3 HELIX 6 6 SER A 138 SER A 151 1 14 HELIX 7 7 ASP A 165 ARG A 167 5 3 HELIX 8 8 GLY A 222 LEU A 240 1 19 HELIX 9 9 SER A 247 ALA A 256 1 10 SHEET 1 A 2 ALA A 2 GLN A 3 0 SHEET 2 A 2 TYR A 23 TYR A 24 -1 O TYR A 23 N GLN A 3 SHEET 1 B 7 ALA A 53 THR A 58 0 SHEET 2 B 7 GLN A 89 LYS A 94 1 O GLY A 92 N VAL A 56 SHEET 3 B 7 SER A 33 ASP A 39 1 N VAL A 35 O GLN A 89 SHEET 4 B 7 GLY A 126 LEU A 131 1 O SER A 130 N TYR A 36 SHEET 5 B 7 VAL A 153 ALA A 158 1 O ALA A 156 N ALA A 129 SHEET 6 B 7 CYS A 178 SER A 183 1 O CYS A 178 N VAL A 155 SHEET 7 B 7 ILE A 201 PRO A 204 1 O ILE A 201 N GLY A 181 SHEET 1 C 2 GLY A 135 GLY A 136 0 SHEET 2 C 2 TYR A 169 SER A 170 -1 O SER A 170 N GLY A 135 SHEET 1 D 2 ILE A 208 TRP A 212 0 SHEET 2 D 2 SER A 216 ILE A 220 -1 O ILE A 220 N ILE A 208 SHEET 1 E 2 ASN A 257 LYS A 258 0 SHEET 2 E 2 LEU A 271 LEU A 272 -1 O LEU A 272 N ASN A 257 SSBOND 1 CYS A 34 CYS A 123 1555 1555 2.02 SSBOND 2 CYS A 178 CYS A 249 1555 1555 2.05 CISPEP 1 SER A 170 PRO A 171 0 -4.94 SITE 1 AC1 9 GLU A 43 ALA A 44 SER A 45 GLY A 259 SITE 2 AC1 9 HOH A 416 HOH A 530 HOH A 557 HOH A 607 SITE 3 AC1 9 HOH A 694 SITE 1 AC2 9 GLY A 134 ASN A 161 GLY A 222 THR A 223 SITE 2 AC2 9 SER A 224 HOH A 303 HOH A 628 HOH A 645 SITE 3 AC2 9 HOH A 731 SITE 1 AC3 12 ARG A 189 TYR A 195 ASP A 254 THR A 255 SITE 2 AC3 12 ASN A 263 PRO A 265 PHE A 266 HOH A 306 SITE 3 AC3 12 HOH A 307 HOH A 308 HOH A 635 HOH A 723 SITE 1 AC4 7 PRO A 7 TRP A 8 ARG A 185 HOH A 459 SITE 2 AC4 7 HOH A 544 HOH A 551 HOH A 672 CRYST1 67.784 67.784 101.845 90.00 90.00 90.00 P 43 21 2 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 0.014753 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014753 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009819 0.00000