HEADER TRANSPORT PROTEIN 15-NOV-01 1KED OBSLTE 07-JUN-05 1KED 1Z7J TITLE HUMAN TRANSTHYRETIN (ALSO CALLED PREALBUMIN) COMPLEX WITH 3, TITLE 2 3',5,5'-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 TISSUE: PLASMA KEYWDS ALBUMIN, TRANSPORT, RETINOL-BINDING, VITAMIN A, AMYLOID, KEYWDS 2 THYROID HORMONE, LIVER, PLASMA, CEREBROSPINAL FLUID, KEYWDS 3 POLYNEUROPATHY, POLYMORPHISM, DISEASE MUTATION, KEYWDS 4 TETRAIODOTHYROACETIC ACID, T4AC, PREALBUMIN EXPDTA X-RAY DIFFRACTION AUTHOR T.MUZIOL,V.CODY,J.R.LUFT,W.PANGBORN,A.WOJTCZAK REVDAT 2 07-JUN-05 1KED 1 OBSLTE REVDAT 1 15-NOV-02 1KED 0 JRNL AUTH T.MUZIOL,V.CODY,J.R.LUFT,W.PANGBORN,A.WOJTCZAK JRNL TITL COMPLEX OF RAT TRANSTHYRETIN WITH JRNL TITL 2 TETRAIODOTHYROACETIC ACID REFINED AT 2.1 AND 1.8 A JRNL TITL 3 RESOLUTION JRNL REF ACTA BIOCHIM.POL. V. 48 877 2001 JRNL REFN ASTM ABPLAF PL ISSN 0001-527X REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.WOJTCZAK,J.R.LUFT,V.CODY REMARK 1 TITL STRUCTURAL ASPECTS OF INOTROPIC BIPYRIDINE REMARK 1 TITL 2 BINDING. CRYSTAL STRUCTURE DETERMINATION TO 1.9 A REMARK 1 TITL 3 OF THE HUMAN SERUM TRANSTHYRETIN-MILRINONE COMPLEX REMARK 1 REF J.BIOL.CHEM. V. 268 6202 1993 REMARK 1 REFN ASTM JBCHA3 US ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH A.WOJTCZAK,J.LUFT,V.CODY REMARK 1 TITL MECHANISM OF MOLECULAR RECOGNITION. STRUCTURAL REMARK 1 TITL 2 ASPECTS OF 3,3'-DIIODO-L-THYRONINE BINDING TO REMARK 1 TITL 3 HUMAN SERUM TRANSTHYRETIN REMARK 1 REF J.BIOL.CHEM. V. 267 353 1992 REMARK 1 REFN ASTM JBCHA3 US 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 REMARK 1 TITL 2 THYROXINE AT 2.0 A RESOLUTION AND REMARK 1 TITL 3 3',5'-DINITRO-N-ACETYL-L-THYRONINE AT 2.2 A REMARK 1 TITL 4 RESOLUTION REMARK 1 REF ACTA CRYSTALLOGR., SECT.D V. 52 758 1996 REMARK 1 REFN ASTM ABCRE6 DK 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)) : 3031648.540 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 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) : 0.169 REMARK 3 FREE R VALUE : 0.218 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 : 1873 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 88 REMARK 3 SOLVENT ATOMS : 243 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) : 1.20 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.73 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 : 0.31 REMARK 3 BSOL : 45.33 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 REMARK 3 ACID) IN BOTH THE FORWARD AND THE REVERSE ORIENTATION. THERE REMARK 3 ARE 81 WATER MOLECULES INCLUDED IN THE MODEL. RESIDUES A1-A9 REMARK 3 AND A126-A127 OF THE FIRST MONOMER AND RESIDUES B201-B207 AND REMARK 3 B326-B327 FROM THE SECOND ARE ILL-DEFINED IN THE ELECTRON REMARK 3 DENSITY MAPS WEIGHTED ML MAPS AND HAVE BEEN OMITTED. REMARK 4 REMARK 4 1KED COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-NOV-2001. REMARK 100 THE RCSB ID CODE IS RCSB014864. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL 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) : 0.00000 REMARK 200 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) : 0.00000 REMARK 200 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 REMARK 200 WITH 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, 0.1 M ACETATE REMARK 280 BUFFER; A PROTEIN SOLUTION OF HTTR36 IN DDH2O WAS INCUBATED REMARK 280 FOR 5 DAYS AT 4 DEG. WITH TH32 (T4AC). THE PROTEIN SOLUTION REMARK 280 WAS USED IN HANGING DROP EXPERIMENTS SET UP ON 5/2/92. USING REMARK 280 THE HANGING DROP TECHNIQUE 5 MICROLITER PROTEIN SOLUTION WAS REMARK 280 COMBINED WITH 5 MICROLITER RESERVOIR SOLUTION ON SILANIZED REMARK 280 GLASS COVERSLIPS AND PLACED OVER A RESERVOIR OF 48% AMMONIUM REMARK 280 SULFATE, 0.1M ACETATE BUFFER, PH 5.5, SEALED WITH IMMERSION REMARK 280 OIL. THE EXPERIMENT WAS LEFT AT ROOM TEMPERATURE TO REMARK 280 EQUILIBRATE. A SINGLE CRYSTAL WAS HARVESTED AND MOUNTED IN A REMARK 280 GLASS CAPILLARY. DATA COLLECTION BY DR. W. PANGBORN ON THE R- REMARK 280 AXIS II AREA DETECTOR., PH 5.50, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 293(1)K 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 1/2-X,1/2+Y,-Z REMARK 290 4555 1/2+X,1/2-Y,-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 295 REMARK 295 NON-CRYSTALLOGRAPHIC SYMMETRY NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 2 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE 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 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 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: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),F6.3) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 ASN B 324 CB ASN B 324 CG 0.040 REMARK 500 ASN B 324 CG ASN B 324 ND2 0.038 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: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 LEU A 111 N - CA - C ANGL. DEV. = 7.7 DEGREES REMARK 500 VAL A 121 N - CA - C ANGL. DEV. = -7.4 DEGREES REMARK 500 SER B 312 N - CA - C ANGL. DEV. = -8.6 DEGREES REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2ROX RELATED DB: PDB REMARK 900 TRANSTHYRETIN (ALSO CALLED PREALBUMIN) COMPLEX WITH REMARK 900 THYROXINE (T4) REMARK 900 RELATED ID: 2PAB RELATED DB: PDB REMARK 900 STRUCTURE OF PREALBUMIN: SECONDARY, TERTIARY AND QUATERNARY REMARK 900 INTERACTIONS DETERMINED BY FOURIER REFINEMENT AT 1.8 A REMARK 900 RELATED ID: 1TTA RELATED DB: PDB REMARK 900 THE X-RAY CRYSTAL STRUCTURE REFINEMENTS OF NORMAL HUMAN REMARK 900 TRANSTHYRETIN AND THE AMYLOIDOGENIC VAL-30-->MET VARIANT TO REMARK 900 1.7-A RESOLUTION DBREF 1KED A 1 127 UNP P02766 TTHY_HUMAN 21 147 DBREF 1KED 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 128 44 HET T4A 129 44 HETNAM T4A 3,3',5,5'-TETRAIODOTHYROACETIC ACID FORMUL 3 T4A 2(C14 H8 I4 O4) FORMUL 5 HOH *81(H2 O1) 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 TRP B 241 LYS B 248 0 SHEET 2 A 8 ALA B 229 LYS B 235 -1 N VAL B 230 O GLY B 247 SHEET 3 A 8 GLY B 267 ILE B 273 -1 O ILE B 268 N LYS B 235 SHEET 4 A 8 HIS B 288 ALA B 297 -1 O ALA B 291 N ILE B 273 SHEET 5 A 8 HIS A 88 ALA A 97 -1 N GLU A 89 O VAL B 294 SHEET 6 A 8 GLY A 67 ILE A 73 -1 O GLY A 67 N ALA A 97 SHEET 7 A 8 ALA A 29 LYS A 35 -1 O HIS A 31 N GLU A 72 SHEET 8 A 8 TRP A 41 LYS A 48 -1 N GLU A 42 O ARG A 34 SHEET 1 B12 GLU B 254 LEU B 255 0 SHEET 2 B12 LEU B 212 ASP B 218 -1 O VAL B 214 N LEU B 255 SHEET 3 B12 SER B 223 PRO B 224 -1 O SER B 223 N ASP B 218 SHEET 4 B12 LEU B 212 ASP B 218 -1 N ASP B 218 O SER B 223 SHEET 5 B12 ARG B 304 SER B 312 1 O TYR B 305 N MET B 213 SHEET 6 B12 SER B 315 THR B 323 -1 O SER B 315 N SER B 312 SHEET 7 B12 SER A 115 THR A 123 -1 O TYR A 116 N THR B 318 SHEET 8 B12 ARG A 104 SER A 112 -1 N ARG A 104 O THR A 123 SHEET 9 B12 LEU A 12 ASP A 18 1 N MET A 13 O TYR A 105 SHEET 10 B12 SER A 23 PRO A 24 -1 O SER A 23 N ASP A 18 SHEET 11 B12 LEU A 12 ASP A 18 -1 N ASP A 18 O SER A 23 SHEET 12 B12 GLU A 54 LEU A 55 -1 N LEU A 55 O VAL A 14 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