HEADER PREALBUMIN 08-MAR-96 1ROX OBSLTE 21-APR-97 1ROX 2ROX TITLE HUMAN TRANSTHYRETIN COMPLEXED WITH THYROXINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSTHYRETIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PREALBUMIN, HTTR, TTR SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 TISSUE: PLASMA KEYWDS PREALBUMIN, TRANSPORT, RETINOL-BINDING, VITAMIN A, AMYLOID, KEYWDS 2 THYROID HORMONE, LIVER, PLASMA, CEREBROSPINAL FLUID, KEYWDS 3 POLYNEUROPATHY, POLYMORPHISM, DISEASE MUTATION EXPDTA X-RAY DIFFRACTION AUTHOR A.WOJTCZAK,V.CODY,J.LUFT,W.PANGBORN REVDAT 2 05-AUG-96 1ROX 1 REMARK REVDAT 1 01-AUG-96 1ROX 0 JRNL AUTH A.WOJTCZAK,V.CODY,J.LUFT,W.PANGBORN JRNL TITL CRYSTAL STRUCTURES OF HUMAN TRANSTHYRETIN JRNL TITL 2 COMPLEXED WITH THYROXINE AT 2.0 A RESOLUTION AND JRNL TITL 3 3',5'-DINITRO-N-ACETYL-L-THYRONINE AT 2.2 A JRNL TITL 4 RESOLUTION JRNL REF TO BE PUBLISHED JRNL REFN 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 E.CISZAK,V.CODY,J.R.LUFT REMARK 1 TITL CRYSTAL STRUCTURE DETERMINATION AT 2.3-A REMARK 1 TITL 2 RESOLUTION OF HUMAN REMARK 1 TITL 3 TRANSTHYRETIN-3',5'-DIBROMO-2',4,4',6- REMARK 1 TITL 4 TETRAHYDROXYAURONE COMPLEX REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 89 6644 1992 REMARK 1 REFN ASTM PNASA6 US ISSN 0027-8424 REMARK 1 REFERENCE 4 REMARK 1 AUTH C.C.BLAKE,S.J.OATLEY REMARK 1 TITL PROTEIN-DNA AND PROTEIN-HORMONE INTERACTIONS IN REMARK 1 TITL 2 PREALBUMIN: A MODEL OF THE THYROID HORMONE NUCLEAR REMARK 1 TITL 3 RECEPTOR? REMARK 1 REF NATURE V. 268 115 1977 REMARK 1 REFN ASTM NATUAS UK ISSN 0028-0836 REMARK 1 REFERENCE 5 REMARK 1 EDIT R.J.FELDMANN REMARK 1 REF ATLAS OF MACROMOLECULAR 549 1976 REMARK 1 REF 2 STRUCTURE ON MICROFICHE REMARK 1 PUBL ROCKVILLE, MD. : TRACOR JITCO INC. REMARK 1 REFN ISBN 0-917934-01-6 REMARK 1 REFERENCE 6 REMARK 1 EDIT M.O.DAYHOFF REMARK 1 REF ATLAS OF PROTEIN SEQUENCE V. 5 265 1976 REMARK 1 REF 2 AND STRUCTURE (DATA SECTION) REMARK 1 PUBL SILVER SPRING, MD. : NATIONAL BIOMEDICAL RESEARCH REMARK 1 PUBL 2 FOUNDATION REMARK 1 REFN ISBN 0-912466-02-2 REMARK 1 REFERENCE 7 REMARK 1 AUTH C.C.F.BLAKE,M.J.GEISOW,I.D.SWAN,C.RERAT,B.RERAT REMARK 1 TITL STRUCTURE OF HUMAN PLASMA PREALBUMIN AT 2.5 A REMARK 1 TITL 2 RESOLUTION. A PRELIMINARY REPORT ON THE REMARK 1 TITL 3 POLYPEPTIDE CHAIN CONFORMATION, QUATERNARY REMARK 1 TITL 4 STRUCTURE AND THYROXINE BINDING REMARK 1 REF J.MOL.BIOL. V. 88 1 1974 REMARK 1 REFN ASTM JMOBAK UK ISSN 0022-2836 REMARK 1 REFERENCE 8 REMARK 1 AUTH C.C.BLAKE,I.D.SWAN,C.RERAT,J.BERTHOU,A.LAURENT, REMARK 1 AUTH 2 B.RERAT REMARK 1 TITL AN X-RAY STUDY OF THE SUBUNIT STRUCTURE OF REMARK 1 TITL 2 PREALBUMIN REMARK 1 REF J.MOL.BIOL. V. 61 217 1971 REMARK 1 REFN ASTM JMOBAK UK ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 90.1 REMARK 3 NUMBER OF REFLECTIONS : 11151 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.170 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1811 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 53 REMARK 3 SOLVENT ATOMS : 131 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.020 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.060 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.060 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.010 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.200 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.230 ; 0.500 REMARK 3 MULTIPLE TORSION (A) : 0.270 ; 0.500 REMARK 3 H-BOND (X...Y) (A) : 0.320 ; 0.500 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 3.100 ; 5.000 REMARK 3 STAGGERED (DEGREES) : 20.200; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 20.800; 15.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.780 ; 1.750 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.850 ; 2.500 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.290 ; 1.750 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.560 ; 2.500 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ROX COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 6 REMARK 6 THE MODEL CONTAINS THE THYROXINE MOLECULE IN BOTH BINDING REMARK 6 SITES. THE OCCUPANCY OF 50% REFLECTS THE PRESENCE OF REMARK 6 A CRYSTALLOGRAPHIC TWO-FOLD AXIS AND CORRESPONDS TO REMARK 6 SATURATION OF THE BINDING SITES. REMARK 7 REMARK 7 RESIDUES 1 - 9 OF CHAIN A AND RESIDUES 1 - 9, 126 - 127 OF REMARK 7 CHAIN B ARE ILL-DEFINED IN THE ELECTRON DENSITY MAPS AND REMARK 7 HAVE BEEN OMITTED. 132 WATER MOLECULES ARE BUILT INTO THE REMARK 7 STRUCTURE. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13485 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.1 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 21.70500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.99600 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.70500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.99600 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 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 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 GLY B 1 REMARK 465 PRO B 2 REMARK 465 THR B 3 REMARK 465 GLY B 4 REMARK 465 THR B 5 REMARK 465 GLY B 6 REMARK 465 GLU B 7 REMARK 465 SER B 8 REMARK 465 LYS B 9 REMARK 465 LYS B 126 REMARK 465 GLU B 127 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI REMARK 500 O HOH A 138 O HOH A 174 2.04 REMARK 500 OD2 ASP A 99 O HOH A 203 2.07 REMARK 500 NZ LYS B 70 O HOH B 132 2.09 REMARK 500 NZ LYS B 35 O ASP B 39 2.10 REMARK 500 O ASP A 99 O HOH A 185 2.12 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 M RES CSSEQI PSI PHI REMARK 500 LYS A 126 21.70 115.34 REMARK 525 REMARK 525 SOLVENT REMARK 525 THE FOLLOWING SOLVENT MOLECULES LIE FARTHER THAN EXPECTED REMARK 525 FROM THE PROTEIN OR NUCLEIC ACID MOLECULE AND MAY BE REMARK 525 ASSOCIATED WITH A SYMMETRY RELATED MOLECULE (M=MODEL REMARK 525 NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH B 172 DISTANCE = 13.35 ANGSTROMS REMARK 525 HOH A 180 DISTANCE = 5.30 ANGSTROMS REMARK 525 HOH A 195 DISTANCE = 5.01 ANGSTROMS REMARK 525 HOH A 196 DISTANCE = 5.39 ANGSTROMS REMARK 525 HOH A 210 DISTANCE = 6.10 ANGSTROMS REMARK 700 REMARK 700 SHEET REMARK 700 THE FIRST STRAND OF THE *EXTERNAL* SHEET IN EACH SUBUNIT IS REMARK 700 DISCONTINUOUS. TO ACCOMMODATE THESE DISCONTINUITIES EACH REMARK 700 *EXTERNAL* SHEET IS REPRESENTED HERE TWICE, WITH A REMARK 700 DIFFERENT STRAND 1 IN EACH CASE. STRANDS 2, 3, 4 OF *X1A* REMARK 700 ARE IDENTICAL TO STRANDS 2, 3, 4 OF *X2A*. SIMILARLY, REMARK 700 STRANDS 2, 3, 4 OF *X1B* ARE IDENTICAL TO STRANDS 2, 3, 4 REMARK 700 OF *X2B*. THIS DESCRIPTION IS CONSISTENT WITH THAT USED BY REMARK 700 BLAKE AND COWORKERS FOR THE NATIVE TRANSTHYRETIN PROTEIN REMARK 700 DATA BANK ENTRY 2PAB. REMARK 850 REMARK 850 CORRECTION BEFORE RELEASE REMARK 850 ORIGINAL DEPOSITION REVISED PRIOR TO RELEASE REMARK 850 DATE REVISED: 29-MAY-1996 TRACKING NUMBER: T8275 REMARK 860 REMARK 860 CORRECTION AFTER RELEASE REMARK 860 CORRECT TRANSFORMATION IN REMARK 350. 05-AUG-1996. REMARK 999 REMARK 999 SEQUENCE REMARK 999 1ROX A SWS P02766 1 - 29 NOT IN ATOMS LIST REMARK 999 1ROX B SWS P02766 1 - 29 NOT IN ATOMS LIST REMARK 999 1ROX B SWS P02766 146 - 147 NOT IN ATOMS LIST DBREF 1ROX A 10 127 UNP P02766 TTHY_HUMAN 30 147 DBREF 1ROX B 10 125 UNP P02766 TTHY_HUMAN 30 145 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 SO4 A 129 5 HET T44 A 128 24 HET T44 B 128 24 HETNAM SO4 SULFATE ION HETNAM T44 3,5,3',5'-TETRAIODO-L-THYRONINE FORMUL 3 SO4 O4 S 2- FORMUL 4 T44 2(C15 H11 I4 N O4) FORMUL 6 HOH *131(H2 O1) HELIX 1 1 THR A 75 LEU A 82 1 8 HELIX 2 2 THR B 75 LEU B 82 1 8 SHEET 1 A 6 LEU A 12 ASP A 18 0 SHEET 2 A 6 ARG A 104 SER A 112 1 N TYR A 105 O MET A 13 SHEET 3 A 6 SER A 115 THR A 123 -1 N THR A 123 O ARG A 104 SHEET 4 A 6 SER B 115 THR B 123 -1 N THR B 118 O TYR A 116 SHEET 5 A 6 ARG B 104 SER B 112 -1 N SER B 112 O SER B 115 SHEET 6 A 6 LEU B 12 ASP B 18 1 N MET B 13 O TYR B 105 SHEET 1 B 8 TRP B 41 LYS B 48 0 SHEET 2 B 8 ALA B 29 LYS B 35 -1 N ARG B 34 O GLU B 42 SHEET 3 B 8 GLY B 67 ILE B 73 -1 N GLU B 72 O HIS B 31 SHEET 4 B 8 HIS B 88 ALA B 97 -1 N ALA B 97 O GLY B 67 SHEET 5 B 8 ALA A 91 ALA A 97 -1 N VAL A 94 O GLU B 89 SHEET 6 B 8 GLY A 67 ILE A 73 -1 N ILE A 73 O ALA A 91 SHEET 7 B 8 ALA A 29 LYS A 35 -1 N PHE A 33 O LYS A 70 SHEET 8 B 8 TRP A 41 LYS A 48 -1 N GLY A 47 O VAL A 30 CRYST1 43.410 85.992 65.552 90.00 90.00 90.00 P 21 21 2 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 0.023036 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011629 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015255 0.00000