1ICT - Header Asymmetric Unit

HEADER TRANSPORT PROTEIN 02-APR-01 1ICT

TITLE MONOCLINIC FORM OF HUMAN TRANSTHYRETIN COMPLEXED WITH TITLE 2 THYROXINE (T4)

COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSTHYRETIN; COMPND 3 CHAIN: A, B, C, D, E, F, G, H; COMPND 4 SYNONYM: PREALBUMIN, TTR, TBPA, 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, AMYLOID, THYROID HORMONE, LIVER, PLASMA, KEYWDS 2 POLYNEUROPATHY, THYROXINE, PREALBUMIN, GREEK KEY BETA KEYWDS 3 BARREL, TRANSPORT PROTEIN

EXPDTA X-RAY DIFFRACTION

AUTHOR A.WOJTCZAK,P.NEUMANN,V.CODY

REVDAT 3 24-FEB-09 1ICT 1 VERSN REVDAT 2 01-APR-03 1ICT 1 JRNL REVDAT 1 03-APR-02 1ICT 0

JRNL AUTH A.WOJTCZAK,P.NEUMANN,V.CODY JRNL TITL STRUCTURE OF A NEW POLYMORPHIC MONOCLINIC FORM OF JRNL TITL 2 HUMAN TRANSTHYRETIN AT 3 A RESOLUTION REVEALS A JRNL TITL 3 MIXED COMPLEX BETWEEN UNLIGANDED AND T4-BOUND JRNL TITL 4 TETRAMERS OF TTR. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 57 957 2001 JRNL REFN ISSN 0907-4449 JRNL PMID 11418763 JRNL DOI 10.1107/S0907444901006047

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 ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH A.WOJTCZAK,J.R.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 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 ISSN 0907-4449 REMARK 1 DOI 10.1107/S0907444996003046

REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 184941.170 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 63.1 REMARK 3 NUMBER OF REFLECTIONS : 14405 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : SHELLS REMARK 3 R VALUE (WORKING SET) : 0.229 REMARK 3 FREE R VALUE : 0.289 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.300 REMARK 3 FREE R VALUE TEST SET COUNT : 899 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.010 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 17 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.16 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 59.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 735 REMARK 3 BIN R VALUE (WORKING SET) : 0.3730 REMARK 3 BIN FREE R VALUE : 0.4484 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 135 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.077 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 7168 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 48 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.50 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) : 0.37 REMARK 3 ESD FROM SIGMAA (A) : 0.61 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) : 0.43 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.74 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.40 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.14 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : GROUP REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.25 REMARK 3 BSOL : 10.00 REMARK 3 REMARK 3 NCS MODEL : CONSTRAINED REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : 0.480 ; 10.0 REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN.PARAM REMARK 3 PARAMETER FILE 2 : LIG.PARAM REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : LIG.TOP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THIS COORDINATE SET COMPRISES TWO REMARK 3 DEFFERENT HUMAN TTR TETRAMERS AN APO ONE (CHAINS E-H) AND A REMARK 3 T4-BOUND ONE (CHAINS A-D). THERE ARE NO WATER MOLECULES REMARK 3 INCLUDED IN THE MODEL. RESIDUES 1-9 AND 126-127 OF ALL A-H REMARK 3 CHAINS ARE ILL-DEFINED IN THE ELECTRON DENSITY MAPS AND HAVE REMARK 3 BEEN OMITTED. GROUPED B FACTOR HAVE BEEN REFINED (FOR MAIN AND REMARK 3 SIDRCHAIN ATOMS) B RMSD FOR BONDED MAINCHAIN ATOMS = 8.628 B REMARK 3 RMSD FOR BONDED SIDECHAIN ATOMS = 11.213 B RMSD FOR ANGLE REMARK 3 MAINCHAIN ATOMS = 13.280 B RMSD FOR ANGLE SIDECHAIN ATOMS == REMARK 3 16.102 NCS RESTRAINTS. DETAILS INFORMATIONS: MAIN CHAIN ATOMS REMARK 3 SELECTED EFFECTIVE FORCE CONSTANT FOR NCS POSITIONAL REMARK 3 RESTRAINTS = 10.00 KCAL/MOL-A**2 TARGET DEVIATION OF NCS REMARK 3 RELATED B FACTORS FROM AVERAGE = 2.500 A**2 SIDE CHAIN ATOMS REMARK 3 SELECTED EFFECTIVE FORCE CONSTANT FOR NCS POSITIONAL REMARK 3 RESTRAINTS = 5.00 KCAL/MOL-A**2 TARGET DEVIATION OF NCS REMARK 3 RELATED B FACTORS FROM AVERAGE = 2.00 A**2

REMARK 4 REMARK 4 1ICT COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-APR-01. REMARK 100 THE RCSB ID CODE IS RCSB013164.

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 REMARK 200 PH : 4.9 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 : R-AXIS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23667 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 96.660 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 61.4 REMARK 200 DATA REDUNDANCY : 1.620 REMARK 200 R MERGE (I) : 0.09800 REMARK 200 R SYM (I) : 38.60000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.1200 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.10 REMARK 200 COMPLETENESS FOR SHELL (%) : 59.6 REMARK 200 DATA REDUNDANCY IN SHELL : 1.69 REMARK 200 R MERGE FOR SHELL (I) : 0.23100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: TETRAMER GENERATED FROM PDB ENTRY 2ROX 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 (%): 50.23 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.64 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 55% AMMONIUM SULFATE; 0.1 M REMARK 280 PHOSPHATE BUFFER, PH 4.9, HANGMAN HANGING DROP CRYSTALLIZATION REMARK 280 METHOD, TEMPERATURE 293K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 48.33000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 300 REMARK: THIS ENTRY CONTAINS TWO COMPLETE REMARK 300 HUMAN TETRAMERS (TTR) IN THE REMARK 300 ASSYMETRIC UNIT OF THE CELL. REMARK 300 THEY ARE RELATED BY NCS MATRIX REMARK 300 ( 0.15401 -0.92334 -0.35175 ) REMARK 300 ( 0.91340 -0.00272 0.40706 ) REMARK 300 ( -0.37681 -0.38398 0.84295 ); REMARK 300 REMARK 300 T= ( -33.73061 -71.70456 30.62044 );

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 REMARK 350 TOTAL BURIED SURFACE AREA: 7990 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18860 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -40.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6170 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19670 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -43.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, F, G, H 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 LYS A 126 REMARK 465 GLU A 127 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 465 GLY C 1 REMARK 465 PRO C 2 REMARK 465 THR C 3 REMARK 465 GLY C 4 REMARK 465 THR C 5 REMARK 465 GLY C 6 REMARK 465 GLU C 7 REMARK 465 SER C 8 REMARK 465 LYS C 9 REMARK 465 LYS C 126 REMARK 465 GLU C 127 REMARK 465 GLY D 1 REMARK 465 PRO D 2 REMARK 465 THR D 3 REMARK 465 GLY D 4 REMARK 465 THR D 5 REMARK 465 GLY D 6 REMARK 465 GLU D 7 REMARK 465 SER D 8 REMARK 465 LYS D 9 REMARK 465 LYS D 126 REMARK 465 GLU D 127 REMARK 465 GLY E 1 REMARK 465 PRO E 2 REMARK 465 THR E 3 REMARK 465 GLY E 4 REMARK 465 THR E 5 REMARK 465 GLY E 6 REMARK 465 GLU E 7 REMARK 465 SER E 8 REMARK 465 LYS E 9 REMARK 465 LYS E 126 REMARK 465 GLU E 127 REMARK 465 GLY F 1 REMARK 465 PRO F 2 REMARK 465 THR F 3 REMARK 465 GLY F 4 REMARK 465 THR F 5 REMARK 465 GLY F 6 REMARK 465 GLU F 7 REMARK 465 SER F 8 REMARK 465 LYS F 9 REMARK 465 LYS F 126 REMARK 465 GLU F 127 REMARK 465 GLY G 1 REMARK 465 PRO G 2 REMARK 465 THR G 3 REMARK 465 GLY G 4 REMARK 465 THR G 5 REMARK 465 GLY G 6 REMARK 465 GLU G 7 REMARK 465 SER G 8 REMARK 465 LYS G 9 REMARK 465 LYS G 126 REMARK 465 GLU G 127 REMARK 465 GLY H 1 REMARK 465 PRO H 2 REMARK 465 THR H 3 REMARK 465 GLY H 4 REMARK 465 THR H 5 REMARK 465 GLY H 6 REMARK 465 GLU H 7 REMARK 465 SER H 8 REMARK 465 LYS H 9 REMARK 465 LYS H 126 REMARK 465 GLU H 127

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 LEU A 55 71.61 -114.69 REMARK 500 PRO A 102 99.40 -64.63 REMARK 500 SER B 50 -161.54 -66.20 REMARK 500 GLU B 66 93.73 -59.07 REMARK 500 ASP B 99 38.18 -83.31 REMARK 500 SER B 100 -48.92 -164.64 REMARK 500 PRO B 102 85.81 -57.34 REMARK 500 ALA C 36 -168.15 -72.40 REMARK 500 ASP C 38 38.74 -85.76 REMARK 500 ASP C 39 28.60 45.30 REMARK 500 GLU C 61 40.93 -87.15 REMARK 500 GLU C 62 -29.35 -154.22 REMARK 500 PHE D 44 -39.61 -137.49 REMARK 500 SER D 50 -168.38 -76.00 REMARK 500 GLU D 61 -62.26 -24.63 REMARK 500 ASN D 98 47.90 18.43 REMARK 500 PRO D 113 -59.82 -23.58 REMARK 500 MET E 13 123.04 -170.29 REMARK 500 LYS E 15 115.06 -163.15 REMARK 500 ASP E 38 17.00 -64.45 REMARK 500 ASP E 39 -2.25 58.87 REMARK 500 SER E 50 -169.43 -68.91 REMARK 500 LEU E 55 72.95 -116.76 REMARK 500 HIS E 90 142.13 -172.12 REMARK 500 ASN E 98 5.05 57.01 REMARK 500 SER E 100 21.04 171.42 REMARK 500 ASP F 38 8.04 -64.27 REMARK 500 PRO F 43 81.25 -49.59 REMARK 500 SER F 50 -159.77 -70.47 REMARK 500 GLU F 62 -71.12 -72.55 REMARK 500 PHE F 64 69.61 -161.40 REMARK 500 ASP F 74 84.63 -63.74 REMARK 500 ASN F 98 11.90 51.08 REMARK 500 SER F 100 50.48 -140.62 REMARK 500 ASP G 39 62.47 65.25 REMARK 500 PHE G 44 -51.23 -121.30 REMARK 500 SER G 50 -160.51 -73.61 REMARK 500 PHE G 64 58.47 -97.59 REMARK 500 SER G 100 49.67 -107.91 REMARK 500 PRO H 11 8.29 -61.21 REMARK 500 LEU H 12 73.66 -161.30 REMARK 500 ASP H 38 7.46 -68.43 REMARK 500 PHE H 44 -36.96 -143.77 REMARK 500 SER H 50 -153.93 -64.74 REMARK 500 THR H 59 163.58 175.01 REMARK 500 GLU H 61 -58.94 -19.46 REMARK 500 VAL H 65 -110.60 -110.91 REMARK 500 GLU H 66 -157.21 -157.27 REMARK 500 ASP H 74 81.22 -68.05 REMARK 500 ASN H 98 69.50 15.63 REMARK 500 SER H 100 61.95 -156.71 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 T44 C 128 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE T44 D 129

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 PREALBUMIN (HUMAN PLASMA) REMARK 900 RELATED ID: 1TTA RELATED DB: PDB REMARK 900 TRANSTHYRETIN (FORMERLY PREALBUMIN)

DBREF 1ICT A 1 127 UNP P02766 TTHY_HUMAN 21 147 DBREF 1ICT B 1 127 UNP P02766 TTHY_HUMAN 21 147 DBREF 1ICT C 1 127 UNP P02766 TTHY_HUMAN 21 147 DBREF 1ICT D 1 127 UNP P02766 TTHY_HUMAN 21 147 DBREF 1ICT E 1 127 UNP P02766 TTHY_HUMAN 21 147 DBREF 1ICT F 1 127 UNP P02766 TTHY_HUMAN 21 147 DBREF 1ICT G 1 127 UNP P02766 TTHY_HUMAN 21 147 DBREF 1ICT H 1 127 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 SEQRES 1 C 127 GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU MET SEQRES 2 C 127 VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA ILE SEQRES 3 C 127 ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP ASP SEQRES 4 C 127 THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU SER SEQRES 5 C 127 GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE VAL SEQRES 6 C 127 GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER TYR SEQRES 7 C 127 TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS ALA SEQRES 8 C 127 GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG ARG SEQRES 9 C 127 TYR THR ILE ALA ALA LEU LEU SER PRO TYR SER TYR SER SEQRES 10 C 127 THR THR ALA VAL VAL THR ASN PRO LYS GLU SEQRES 1 D 127 GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU MET SEQRES 2 D 127 VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA ILE SEQRES 3 D 127 ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP ASP SEQRES 4 D 127 THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU SER SEQRES 5 D 127 GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE VAL SEQRES 6 D 127 GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER TYR SEQRES 7 D 127 TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS ALA SEQRES 8 D 127 GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG ARG SEQRES 9 D 127 TYR THR ILE ALA ALA LEU LEU SER PRO TYR SER TYR SER SEQRES 10 D 127 THR THR ALA VAL VAL THR ASN PRO LYS GLU SEQRES 1 E 127 GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU MET SEQRES 2 E 127 VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA ILE SEQRES 3 E 127 ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP ASP SEQRES 4 E 127 THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU SER SEQRES 5 E 127 GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE VAL SEQRES 6 E 127 GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER TYR SEQRES 7 E 127 TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS ALA SEQRES 8 E 127 GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG ARG SEQRES 9 E 127 TYR THR ILE ALA ALA LEU LEU SER PRO TYR SER TYR SER SEQRES 10 E 127 THR THR ALA VAL VAL THR ASN PRO LYS GLU SEQRES 1 F 127 GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU MET SEQRES 2 F 127 VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA ILE SEQRES 3 F 127 ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP ASP SEQRES 4 F 127 THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU SER SEQRES 5 F 127 GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE VAL SEQRES 6 F 127 GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER TYR SEQRES 7 F 127 TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS ALA SEQRES 8 F 127 GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG ARG SEQRES 9 F 127 TYR THR ILE ALA ALA LEU LEU SER PRO TYR SER TYR SER SEQRES 10 F 127 THR THR ALA VAL VAL THR ASN PRO LYS GLU SEQRES 1 G 127 GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU MET SEQRES 2 G 127 VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA ILE SEQRES 3 G 127 ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP ASP SEQRES 4 G 127 THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU SER SEQRES 5 G 127 GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE VAL SEQRES 6 G 127 GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER TYR SEQRES 7 G 127 TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS ALA SEQRES 8 G 127 GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG ARG SEQRES 9 G 127 TYR THR ILE ALA ALA LEU LEU SER PRO TYR SER TYR SER SEQRES 10 G 127 THR THR ALA VAL VAL THR ASN PRO LYS GLU SEQRES 1 H 127 GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU MET SEQRES 2 H 127 VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA ILE SEQRES 3 H 127 ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP ASP SEQRES 4 H 127 THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU SER SEQRES 5 H 127 GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE VAL SEQRES 6 H 127 GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER TYR SEQRES 7 H 127 TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS ALA SEQRES 8 H 127 GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG ARG SEQRES 9 H 127 TYR THR ILE ALA ALA LEU LEU SER PRO TYR SER TYR SER SEQRES 10 H 127 THR THR ALA VAL VAL THR ASN PRO LYS GLU

HET T44 C 128 24 HET T44 D 129 24

HETNAM T44 3,5,3',5'-TETRAIODO-L-THYRONINE

FORMUL 9 T44 2(C15 H11 I4 N O4)

HELIX 1 1 ASP A 74 GLY A 83 1 10 HELIX 2 2 ASP B 74 GLY B 83 1 10 HELIX 3 3 THR C 75 LEU C 82 1 8 HELIX 4 4 ASP D 74 LEU D 82 1 9 HELIX 5 5 ASP E 74 ALA E 81 1 8 HELIX 6 6 ASP F 74 GLY F 83 1 10 HELIX 7 7 THR G 60 PHE G 64 5 5 HELIX 8 8 THR G 75 LEU G 82 1 8 HELIX 9 9 ASP H 74 LEU H 82 1 9

SHEET 1 A110 GLU B 54 LEU B 55 0 SHEET 2 A110 LEU B 12 ASP B 18 -1 O VAL B 14 N LEU B 55 SHEET 3 A110 SER B 23 PRO B 24 -1 O SER B 23 N ASP B 18 SHEET 4 A110 LEU B 12 ASP B 18 -1 N ASP B 18 O SER B 23 SHEET 5 A110 ARG B 104 SER B 112 1 O TYR B 105 N MET B 13 SHEET 6 A110 SER B 115 THR B 123 -1 O SER B 115 N SER B 112 SHEET 7 A110 SER A 115 ALA A 120 -1 O TYR A 116 N THR B 118 SHEET 8 A110 TYR A 105 SER A 112 -1 N ALA A 108 O THR A 119 SHEET 9 A110 LEU A 12 ASP A 18 1 O MET A 13 N ILE A 107 SHEET 10 A110 SER A 23 PRO A 24 -1 O SER A 23 N ASP A 18 SHEET 1 A2 8 TRP B 41 LYS B 48 0 SHEET 2 A2 8 ALA B 29 LYS B 35 -1 N VAL B 30 O GLY B 47 SHEET 3 A2 8 GLY B 67 ILE B 73 -1 O ILE B 68 N LYS B 35 SHEET 4 A2 8 HIS B 88 ALA B 97 -1 O ALA B 91 N ILE B 73 SHEET 5 A2 8 HIS A 88 ALA A 97 -1 N GLU A 89 O VAL B 94 SHEET 6 A2 8 GLY A 67 ILE A 73 -1 O GLY A 67 N ALA A 97 SHEET 7 A2 8 ALA A 29 LYS A 35 -1 O HIS A 31 N GLU A 72 SHEET 8 A2 8 TRP A 41 LYS A 48 -1 N GLU A 42 O ARG A 34 SHEET 1 A312 GLU D 54 LEU D 55 0 SHEET 2 A312 LEU D 12 ASP D 18 -1 O VAL D 14 N LEU D 55 SHEET 3 A312 SER D 23 PRO D 24 -1 O SER D 23 N ASP D 18 SHEET 4 A312 LEU D 12 ASP D 18 -1 N ASP D 18 O SER D 23 SHEET 5 A312 ARG D 104 SER D 112 1 O TYR D 105 N MET D 13 SHEET 6 A312 SER D 115 THR D 123 -1 O SER D 115 N SER D 112 SHEET 7 A312 SER C 115 THR C 123 -1 O TYR C 116 N THR D 118 SHEET 8 A312 ARG C 104 SER C 112 -1 N ARG C 104 O THR C 123 SHEET 9 A312 LEU C 12 ASP C 18 1 O MET C 13 N ILE C 107 SHEET 10 A312 SER C 23 PRO C 24 -1 O SER C 23 N ASP C 18 SHEET 11 A312 LEU C 12 ASP C 18 -1 N ASP C 18 O SER C 23 SHEET 12 A312 GLU C 54 LEU C 55 -1 N LEU C 55 O VAL C 14 SHEET 1 A4 8 TRP D 41 LYS D 48 0 SHEET 2 A4 8 ALA D 29 LYS D 35 -1 N VAL D 30 O GLY D 47 SHEET 3 A4 8 ILE D 68 ILE D 73 -1 O ILE D 68 N LYS D 35 SHEET 4 A4 8 HIS D 88 THR D 96 -1 O ALA D 91 N ILE D 73 SHEET 5 A4 8 HIS C 88 ALA C 97 -1 N GLU C 89 O VAL D 94 SHEET 6 A4 8 GLY C 67 ILE C 73 -1 O GLY C 67 N ALA C 97 SHEET 7 A4 8 ALA C 29 LYS C 35 -1 N HIS C 31 O GLU C 72 SHEET 8 A4 8 TRP C 41 LYS C 48 -1 O GLU C 42 N ARG C 34 SHEET 1 A5 8 TRP E 41 LYS E 48 0 SHEET 2 A5 8 ALA E 29 LYS E 35 -1 N VAL E 30 O GLY E 47 SHEET 3 A5 8 GLY E 67 ILE E 73 -1 O ILE E 68 N LYS E 35 SHEET 4 A5 8 ALA E 91 ALA E 97 -1 O ALA E 91 N ILE E 73 SHEET 5 A5 8 HIS F 88 THR F 96 -1 N GLU F 89 O VAL E 94 SHEET 6 A5 8 ILE F 68 ILE F 73 -1 N TYR F 69 O PHE F 95 SHEET 7 A5 8 ALA F 29 LYS F 35 -1 N HIS F 31 O GLU F 72 SHEET 8 A5 8 TRP F 41 LYS F 48 -1 O GLU F 42 N ARG F 34 SHEET 1 A612 GLU F 54 LEU F 55 0 SHEET 2 A612 LEU F 12 ASP F 18 -1 O VAL F 14 N LEU F 55 SHEET 3 A612 SER F 23 PRO F 24 -1 O SER F 23 N ASP F 18 SHEET 4 A612 LEU F 12 ASP F 18 -1 N ASP F 18 O SER F 23 SHEET 5 A612 ARG F 104 LEU F 111 1 O TYR F 105 N MET F 13 SHEET 6 A612 SER F 115 THR F 123 -1 O SER F 117 N LEU F 110 SHEET 7 A612 SER E 115 THR E 123 -1 O TYR E 116 N THR F 118 SHEET 8 A612 ARG E 104 SER E 112 -1 N ARG E 104 O THR E 123 SHEET 9 A612 LEU E 12 ASP E 18 1 O MET E 13 N ILE E 107 SHEET 10 A612 GLU E 54 HIS E 56 -1 N LEU E 55 O VAL E 14 SHEET 11 A612 LEU E 12 ASP E 18 -1 O VAL E 14 N LEU E 55 SHEET 12 A612 SER E 23 PRO E 24 -1 O SER E 23 N ASP E 18 SHEET 1 A712 GLU H 54 LEU H 55 0 SHEET 2 A712 LEU H 12 ASP H 18 -1 O VAL H 14 N LEU H 55 SHEET 3 A712 SER H 23 PRO H 24 -1 O SER H 23 N ASP H 18 SHEET 4 A712 LEU H 12 ASP H 18 -1 N ASP H 18 O SER H 23 SHEET 5 A712 TYR H 105 LEU H 111 1 O TYR H 105 N MET H 13 SHEET 6 A712 SER H 115 ALA H 120 -1 N SER H 117 O LEU H 110 SHEET 7 A712 SER G 115 THR G 123 -1 N TYR G 116 O THR H 118 SHEET 8 A712 ARG G 104 LEU G 111 -1 N ARG G 104 O THR G 123 SHEET 9 A712 LEU G 12 ASP G 18 1 N MET G 13 O TYR G 105 SHEET 10 A712 SER G 23 PRO G 24 -1 O SER G 23 N ASP G 18 SHEET 11 A712 LEU G 12 ASP G 18 -1 N ASP G 18 O SER G 23 SHEET 12 A712 GLU G 54 LEU G 55 -1 O LEU G 55 N VAL G 14 SHEET 1 A8 8 TRP H 41 LYS H 48 0 SHEET 2 A8 8 ALA H 29 LYS H 35 -1 N VAL H 30 O GLY H 47 SHEET 3 A8 8 GLY H 67 ILE H 73 -1 O ILE H 68 N LYS H 35 SHEET 4 A8 8 HIS H 88 ALA H 97 -1 O ALA H 91 N ILE H 73 SHEET 5 A8 8 ALA G 91 ALA G 97 -1 O VAL G 94 N GLU H 89 SHEET 6 A8 8 GLY G 67 ILE G 73 -1 O GLY G 67 N ALA G 97 SHEET 7 A8 8 ALA G 29 LYS G 35 -1 N HIS G 31 O GLU G 72 SHEET 8 A8 8 TRP G 41 LYS G 48 -1 N GLU G 42 O ARG G 34

SITE 1 AC1 13 LYS A 15 LEU A 17 ALA A 108 ALA A 109 SITE 2 AC1 13 LEU A 110 SER A 117 LYS C 15 LEU C 17 SITE 3 AC1 13 GLU C 54 ALA C 108 SER C 117 THR C 119 SITE 4 AC1 13 VAL C 121 SITE 1 AC2 13 LYS B 15 LEU B 17 LEU B 110 SER B 117 SITE 2 AC2 13 THR B 118 THR B 119 LYS D 15 LEU D 17 SITE 3 AC2 13 THR D 106 LEU D 110 SER D 117 THR D 119 SITE 4 AC2 13 VAL D 121

CRYST1 76.690 96.660 81.740 90.00 106.84 90.00 P 1 21 1 16

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 0.013040 0.000000 0.003947 0.00000

SCALE2 0.000000 0.010346 0.000000 0.00000

SCALE3 0.000000 0.000000 0.012782 0.00000

MTRIX1 1 0.154010 -0.923340 -0.351750 -33.73061 1

MTRIX2 1 0.913400 -0.002720 0.407060 -71.70456 1

MTRIX3 1 -0.376810 -0.383980 0.842950 30.62044 1