HEADER TRANSPORT PROTEIN 25-MAR-05 1Z7J TITLE HUMAN TRANSTHYRETIN (ALSO CALLED PREALBUMIN) COMPLEX WITH 3, 3',5,5'- TITLE 2 TETRAIODOTHYROACETIC ACID (T4AC) COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSTHYRETIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PREALBUMIN, TBPA, TTR, ATTR SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 TISSUE: PLASMA KEYWDS ALBUMIN, TRANSPORT, RETINOL-BINDING, VITAMIN A, AMYLOID, THYROID KEYWDS 2 HORMONE, LIVER, PLASMA, CEREBROSPINAL FLUID, POLYNEUROPATHY, DISEASE KEYWDS 3 MUTATION, TETRAIODOTHYROACETIC ACID, T4AC, PREALBUMIN, TRANSPORT KEYWDS 4 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR P.NEUMANN,A.WOJTCZAK,V.CODY REVDAT 7 23-AUG-23 1Z7J 1 REMARK REVDAT 6 31-JAN-18 1Z7J 1 REMARK REVDAT 5 11-OCT-17 1Z7J 1 REMARK REVDAT 4 13-JUL-11 1Z7J 1 VERSN REVDAT 3 24-FEB-09 1Z7J 1 VERSN REVDAT 2 11-OCT-05 1Z7J 1 JRNL REVDAT 1 07-JUN-05 1Z7J 0 SPRSDE 07-JUN-05 1Z7J 1KED JRNL AUTH P.NEUMANN,V.CODY,A.WOJTCZAK JRNL TITL LIGAND BINDING AT THE TRANSTHYRETIN DIMER-DIMER INTERFACE: JRNL TITL 2 STRUCTURE OF THE TRANSTHYRETIN-T4AC COMPLEX AT 2.2 ANGSTROM JRNL TITL 3 RESOLUTION. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 61 1313 2005 JRNL REFN ISSN 0907-4449 JRNL PMID 16204882 JRNL DOI 10.1107/S0907444905022523 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.WOJTCZAK,J.R.LUFT,V.CODY REMARK 1 TITL STRUCTURAL ASPECTS OF INOTROPIC BIPYRIDINE BINDING. CRYSTAL REMARK 1 TITL 2 STRUCTURE DETERMINATION TO 1.9 A OF THE HUMAN SERUM REMARK 1 TITL 3 TRANSTHYRETIN-MILRINONE COMPLEX REMARK 1 REF J.BIOL.CHEM. V. 268 6202 1993 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH A.WOJTCZAK,J.LUFT,V.CODY REMARK 1 TITL MECHANISM OF MOLECULAR RECOGNITION. STRUCTURAL ASPECTS OF REMARK 1 TITL 2 3,3'-DIIODO-L-THYRONINE BINDING TO HUMAN SERUM TRANSTHYRETIN REMARK 1 REF J.BIOL.CHEM. V. 267 353 1992 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 3 REMARK 1 AUTH A.WOJTCZAK,V.CODY,J.R.LUFT,W.PANGBORN REMARK 1 TITL STRUCTURES OF HUMAN TRANSTHYRETIN COMPLEXED WITH THYROXINE REMARK 1 TITL 2 AT 2.0 A RESOLUTION AND 3',5'-DINITRO-N-ACETYL-L-THYRONINE REMARK 1 TITL 3 AT 2.2 A RESOLUTION REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 52 758 1996 REMARK 1 REFN ISSN 0907-4449 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 14.87 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 78.9 REMARK 3 NUMBER OF REFLECTIONS : 10228 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) : 0.173 REMARK 3 FREE R VALUE : 0.217 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.300 REMARK 3 FREE R VALUE TEST SET COUNT : 953 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.30 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 57.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 832 REMARK 3 BIN R VALUE (WORKING SET) : 0.2100 REMARK 3 BIN FREE R VALUE : 0.2930 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 8.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 81 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.033 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1807 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 86 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.20 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) : 0.28 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.26 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.730 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) : 1.520 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.550 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 7.550 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.370 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.29 REMARK 3 BSOL : 42.14 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_REP.PARAM REMARK 3 PARAMETER FILE 3 : LIG.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : LIG.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THIS COORDINATE SET COMPRISES TWO REMARK 3 MONOMERS OF HUMAN TTR DIMER (CHAINS A AND B). MULTIPLE REMARK 3 CONFORMATIONS HAVE BEEN FOUND FOR 13 RESIDUES. FOUR LIGAND REMARK 3 MOLECULES HAVE BEEN FOUND (3,3',5,5'-TETRAIODOTHYROACETIC ACID) REMARK 3 IN BOTH THE FORWARD AND THE REVERSE ORIENTATION. THERE ARE 81 REMARK 3 WATER MOLECULES INCLUDED IN THE MODEL. RESIDUES A1-A9 AND A126- REMARK 3 A127 OF THE FIRST MONOMER AND RESIDUES B201-B207 AND B326-B327 REMARK 3 FROM THE SECOND ARE ILL-DEFINED IN THE ELECTRON DENSITY MAPS REMARK 3 WEIGHTED ML MAPS AND HAVE BEEN OMITTED. REMARK 4 REMARK 4 1Z7J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-APR-05. REMARK 100 THE DEPOSITION ID IS D_1000032396. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-JAN-99 REMARK 200 TEMPERATURE (KELVIN) : 293.0 REMARK 200 PH : 5.50 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11346 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 43.461 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.5 REMARK 200 DATA REDUNDANCY : 3.450 REMARK 200 R MERGE (I) : 0.05870 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.2777 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.30 REMARK 200 COMPLETENESS FOR SHELL (%) : 73.7 REMARK 200 DATA REDUNDANCY IN SHELL : 2.37 REMARK 200 R MERGE FOR SHELL (I) : 0.06100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.440 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS 1.1 REMARK 200 STARTING MODEL: DIMER GENERATED FROM PDB ENTRY 2ROX STRUCTURE WITH REMARK 200 ONLY PROTEIN ATOMS FROM RESIDUES 10-125 INCLUDED REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.70 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 48% AMMONIUM SULFATE, 0.L M PHOSPHATE REMARK 280 BUFFER, PH 5.50, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 4.0K, REMARK 280 TEMPERATURE 277.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 21.73100 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.92900 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.73100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.92900 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 9310 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18970 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -30.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 43.46200 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 85.85800 REMARK 350 BIOMT3 2 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 O8 T4A A 128 LIES ON A SPECIAL POSITION. REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 GLY A 1 REMARK 465 PRO A 2 REMARK 465 THR A 3 REMARK 465 GLY A 4 REMARK 465 THR A 5 REMARK 465 GLY A 6 REMARK 465 GLU A 7 REMARK 465 SER A 8 REMARK 465 LYS A 9 REMARK 465 LYS A 126 REMARK 465 GLU A 127 REMARK 465 GLY B 201 REMARK 465 PRO B 202 REMARK 465 THR B 203 REMARK 465 GLY B 204 REMARK 465 THR B 205 REMARK 465 GLY B 206 REMARK 465 GLU B 207 REMARK 465 LYS B 326 REMARK 465 GLU B 327 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 B 238 20.82 -75.22 REMARK 500 PRO B 302 174.20 -48.26 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 T4A A 128 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE T4A B 129 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1PAB RELATED DB: PDB REMARK 900 APO TRANSTHYRETIN REMARK 900 RELATED ID: 2ROX RELATED DB: PDB REMARK 900 TRANSTHYRETIN COMPLEX WITH THYROXINE DBREF 1Z7J A 1 127 UNP P02766 TTHY_HUMAN 21 147 DBREF 1Z7J B 201 327 UNP P02766 TTHY_HUMAN 21 147 SEQRES 1 A 127 GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU MET SEQRES 2 A 127 VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA ILE SEQRES 3 A 127 ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP ASP SEQRES 4 A 127 THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU SER SEQRES 5 A 127 GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE VAL SEQRES 6 A 127 GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER TYR SEQRES 7 A 127 TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS ALA SEQRES 8 A 127 GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG ARG SEQRES 9 A 127 TYR THR ILE ALA ALA LEU LEU SER PRO TYR SER TYR SER SEQRES 10 A 127 THR THR ALA VAL VAL THR ASN PRO LYS GLU SEQRES 1 B 127 GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU MET SEQRES 2 B 127 VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA ILE SEQRES 3 B 127 ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP ASP SEQRES 4 B 127 THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU SER SEQRES 5 B 127 GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE VAL SEQRES 6 B 127 GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER TYR SEQRES 7 B 127 TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS ALA SEQRES 8 B 127 GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG ARG SEQRES 9 B 127 TYR THR ILE ALA ALA LEU LEU SER PRO TYR SER TYR SER SEQRES 10 B 127 THR THR ALA VAL VAL THR ASN PRO LYS GLU HET T4A A 128 44 HET T4A B 129 44 HETNAM T4A 3,3',5,5'-TETRAIODOTHYROACETIC ACID FORMUL 3 T4A 2(C14 H8 I4 O4) FORMUL 5 HOH *86(H2 O) HELIX 1 1 ASP A 74 ALA A 81 1 8 HELIX 2 2 ASP B 274 ALA B 281 1 8 SHEET 1 A 8 SER A 23 PRO A 24 0 SHEET 2 A 8 LEU A 12 ASP A 18 -1 N ASP A 18 O SER A 23 SHEET 3 A 8 ARG A 104 SER A 112 1 O TYR A 105 N MET A 13 SHEET 4 A 8 SER A 115 THR A 123 -1 O THR A 119 N ALA A 108 SHEET 5 A 8 SER B 315 THR B 323 -1 O TYR B 316 N THR A 118 SHEET 6 A 8 ARG B 304 SER B 312 -1 N ALA B 308 O THR B 319 SHEET 7 A 8 LEU B 212 ASP B 218 1 N MET B 213 O TYR B 305 SHEET 8 A 8 SER B 223 PRO B 224 -1 O SER B 223 N ASP B 218 SHEET 1 B 8 GLU A 54 LEU A 55 0 SHEET 2 B 8 LEU A 12 ASP A 18 -1 N VAL A 14 O LEU A 55 SHEET 3 B 8 ARG A 104 SER A 112 1 O TYR A 105 N MET A 13 SHEET 4 B 8 SER A 115 THR A 123 -1 O THR A 119 N ALA A 108 SHEET 5 B 8 SER B 315 THR B 323 -1 O TYR B 316 N THR A 118 SHEET 6 B 8 ARG B 304 SER B 312 -1 N ALA B 308 O THR B 319 SHEET 7 B 8 LEU B 212 ASP B 218 1 N MET B 213 O TYR B 305 SHEET 8 B 8 GLU B 254 LEU B 255 -1 O LEU B 255 N VAL B 214 SHEET 1 C 8 TRP A 41 LYS A 48 0 SHEET 2 C 8 ALA A 29 LYS A 35 -1 N VAL A 32 O ALA A 45 SHEET 3 C 8 GLY A 67 ILE A 73 -1 O GLU A 72 N HIS A 31 SHEET 4 C 8 HIS A 88 ALA A 97 -1 O PHE A 95 N TYR A 69 SHEET 5 C 8 HIS B 288 ALA B 297 -1 O VAL B 294 N GLU A 89 SHEET 6 C 8 GLY B 267 ILE B 273 -1 N ILE B 273 O ALA B 291 SHEET 7 C 8 ALA B 229 LYS B 235 -1 N HIS B 231 O GLU B 272 SHEET 8 C 8 TRP B 241 LYS B 248 -1 O ALA B 245 N VAL B 232 SITE 1 AC1 10 LYS A 15 LEU A 17 GLU A 54 ALA A 108 SITE 2 AC1 10 ALA A 109 LEU A 110 SER A 117 THR A 118 SITE 3 AC1 10 THR A 119 SER B 315 SITE 1 AC2 10 SER A 115 HOH A 929 LYS B 215 LEU B 217 SITE 2 AC2 10 THR B 306 ALA B 308 ALA B 309 LEU B 310 SITE 3 AC2 10 SER B 317 THR B 319 CRYST1 43.462 85.858 65.443 90.00 90.00 90.00 P 21 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 0.023009 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011647 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015280 0.00000