HEADER TRANSPORT (THYROXINE,RETINOL) IN SERUM 16-SEP-77 2PAB TITLE STRUCTURE OF PREALBUMIN, SECONDARY, TERTIARY AND QUATERNARY TITLE 2 INTERACTIONS DETERMINED BY FOURIER REFINEMENT AT 1.8 ANGSTROMS COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSTHYRETIN PRECURSOR; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI KEYWDS TRANSPORT (THYROXINE, RETINOL) IN SERUM EXPDTA X-RAY DIFFRACTION AUTHOR S.J.OATLEY,C.C.F.BLAKE REVDAT 10 27-SEP-23 2PAB 1 REMARK SCALE MTRIX ATOM REVDAT 9 29-NOV-17 2PAB 1 HELIX REVDAT 8 13-JUL-11 2PAB 1 VERSN REVDAT 7 24-FEB-09 2PAB 1 VERSN REVDAT 6 01-APR-03 2PAB 1 JRNL REVDAT 5 30-SEP-83 2PAB 1 REVDAT REVDAT 4 31-DEC-80 2PAB 1 REMARK REVDAT 3 07-APR-80 2PAB 3 ATOM REVDAT 2 20-JUL-78 2PAB 1 JRNL REVDAT 1 24-OCT-77 2PAB 0 SPRSDE 24-OCT-77 2PAB 1PAB JRNL AUTH C.C.BLAKE,M.J.GEISOW,S.J.OATLEY,B.RERAT,C.RERAT JRNL TITL STRUCTURE OF PREALBUMIN: SECONDARY, TERTIARY AND QUATERNARY JRNL TITL 2 INTERACTIONS DETERMINED BY FOURIER REFINEMENT AT 1.8 A. JRNL REF J.MOL.BIOL. V. 121 339 1978 JRNL REFN ISSN 0022-2836 JRNL PMID 671542 JRNL DOI 10.1016/0022-2836(78)90368-6 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.C.F.BLAKE,S.J.OATLEY REMARK 1 TITL PROTEIN-DNA AND PROTEIN-HORMONE INTERACTIONS IN PREALBUMIN,A REMARK 1 TITL 2 MODEL OF THE THYROID HORMONE NUCLEAR RECEPTOR (QUERY) REMARK 1 REF NATURE V. 268 115 1977 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 2 REMARK 1 AUTH C.C.F.BLAKE,M.J.GEISOW,I.D.A.SWAN,C.RERAT,B.RERAT REMARK 1 TITL STRUCTURE OF HUMAN PLASMA PREALBUMIN AT 2.5 ANGSTROMS REMARK 1 TITL 2 RESOLUTION,A PRELIMINARY REPORT ON THE POLYPEPTIDE CHAIN REMARK 1 TITL 3 CONFORMATION,QUATERNARY STRUCTURE AND THYROXINE BINDING REMARK 1 REF J.MOL.BIOL. V. 88 1 1974 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH C.C.F.BLAKE,I.D.A.SWAN,C.RERAT,J.BERTHOU,A.LAURENT,B.RERAT REMARK 1 TITL AN X-RAY STUDY OF THE SUBUNIT STRUCTURE OF PREALBUMIN REMARK 1 REF J.MOL.BIOL. V. 61 217 1971 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 4 REMARK 1 EDIT R.J.FELDMANN REMARK 1 REF ATLAS OF MACROMOLECULAR 549 1976 REMARK 1 REF 2 STRUCTURE ON MICROFICHE REMARK 1 PUBL TRACOR JITCO INC.,ROCKVILLE,MD. REMARK 1 REFN REMARK 1 REFERENCE 5 REMARK 1 EDIT M.O.DAYHOFF REMARK 1 REF ATLAS OF PROTEIN SEQUENCE V. 5 265 1976 REMARK 1 REF 2 AND STRUCTURE,SUPPLEMENT 2 REMARK 1 PUBL NATIONAL BIOMEDICAL RESEARCH FOUNDATION, SILVER SPRING,MD. REMARK 1 REFN ISSN 0-912466-05-7 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL 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 SET) : 0.290 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 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1744 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 0 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 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 THE AXES OF THE COORDINATE SYSTEM USED HERE ARE ALIGNED REMARK 3 WITH THE CRYSTALLOGRAPHIC AXES BUT THE ORIGIN IS DISPLACED REMARK 3 BY A/2, B/2, C/4 AS GIVEN IN THE SCALE RECORDS BELOW. REMARK 4 REMARK 4 2PAB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000178433. 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 : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL 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 (%): 44.84 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23 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 -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 21.74500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.84000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.74500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.84000 REMARK 290 SMTRY3 4 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 COORDINATE SET COMPRISES TWO CHAINS REPRESENTING TWO REMARK 300 CHEMICALLY EQUIVALENT, BUT CRYSTALLOGRAPHICALLY DISTINCT, REMARK 300 ENTITIES. THE OTHER HALF OF THE COMPLETE TETRAMER MAY BE REMARK 300 GENERATED FROM THIS DIMER BY THE APPLICATION OF THE REMARK 300 CRYSTALLOGRAPHIC DIAD PARALLEL TO Z THROUGH THE ORIGIN OF REMARK 300 THIS COORDINATE SYSTEM, I. E. XPRIME=-X, YPRIME=-Y, REMARK 300 ZPRIME=Z. 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1730 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11060 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.0 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 REMARK 350 BIOMOLECULE: 2 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: 19400 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -47.0 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 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 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 ASN A 124 REMARK 465 PRO A 125 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 ASN B 124 REMARK 465 PRO B 125 REMARK 465 LYS B 126 REMARK 465 GLU B 127 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 ARG A 103 CB CG CD NE CZ NH1 NH2 REMARK 470 THR A 123 OG1 CG2 REMARK 470 ARG B 103 CB CG CD NE CZ NH1 NH2 REMARK 470 THR B 123 OG1 CG2 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 DISTANCE REMARK 500 O GLU B 61 OE1 GLU B 62 1.53 REMARK 500 O GLU A 61 OE1 GLU A 62 1.65 REMARK 500 O ALA B 97 CB ASN B 98 1.68 REMARK 500 ND2 ASN A 98 N ASP A 99 1.77 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 NE2 HIS A 31 CG GLU A 62 4555 1.15 REMARK 500 NE2 HIS B 31 CG GLU B 62 4456 1.25 REMARK 500 NE2 HIS A 31 CB GLU A 62 4555 1.44 REMARK 500 NE2 HIS B 31 CB GLU B 62 4456 1.46 REMARK 500 CG PRO B 43 CD PRO B 102 4456 1.70 REMARK 500 CB PRO B 43 CD PRO B 102 4456 1.79 REMARK 500 CG PRO B 43 CG PRO B 102 4456 1.80 REMARK 500 CD2 HIS A 31 CG GLU A 62 4555 1.81 REMARK 500 CE1 HIS A 31 CB GLU A 62 4555 1.88 REMARK 500 CE1 HIS B 31 CB GLU B 62 4456 1.93 REMARK 500 CD2 HIS B 31 CG GLU B 62 4456 1.96 REMARK 500 O LEU A 82 OG SER B 85 1655 2.17 REMARK 500 REMARK 500 REMARK: NULL 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),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 ARG A 21 NE ARG A 21 CZ 0.143 REMARK 500 ARG A 34 NE ARG A 34 CZ 0.142 REMARK 500 ARG A 104 NE ARG A 104 CZ 0.143 REMARK 500 ARG B 21 NE ARG B 21 CZ 0.140 REMARK 500 ARG B 34 NE ARG B 34 CZ 0.145 REMARK 500 ARG B 104 NE ARG B 104 CZ 0.147 REMARK 500 REMARK 500 REMARK: NULL 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 CYS A 10 CA - CB - SG ANGL. DEV. = 7.2 DEGREES REMARK 500 ASP A 18 CB - CG - OD1 ANGL. DEV. = -5.4 DEGREES REMARK 500 ARG A 21 CD - NE - CZ ANGL. DEV. = -13.7 DEGREES REMARK 500 ARG A 34 CD - NE - CZ ANGL. DEV. = -8.8 DEGREES REMARK 500 LYS A 35 N - CA - CB ANGL. DEV. = -12.1 DEGREES REMARK 500 ALA A 37 N - CA - CB ANGL. DEV. = 10.9 DEGREES REMARK 500 ASP A 38 CB - CG - OD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 ASP A 38 N - CA - C ANGL. DEV. = 18.3 DEGREES REMARK 500 ASP A 39 CB - CA - C ANGL. DEV. = 12.9 DEGREES REMARK 500 ASP A 39 N - CA - CB ANGL. DEV. = 14.4 DEGREES REMARK 500 THR A 40 CA - CB - CG2 ANGL. DEV. = 9.9 DEGREES REMARK 500 THR A 40 N - CA - C ANGL. DEV. = 20.0 DEGREES REMARK 500 LEU A 58 N - CA - C ANGL. DEV. = 17.8 DEGREES REMARK 500 THR A 60 N - CA - CB ANGL. DEV. = -13.6 DEGREES REMARK 500 GLU A 62 N - CA - CB ANGL. DEV. = 13.9 DEGREES REMARK 500 GLU A 62 CA - C - N ANGL. DEV. = -16.0 DEGREES REMARK 500 GLU A 62 O - C - N ANGL. DEV. = 12.6 DEGREES REMARK 500 GLN A 63 C - N - CA ANGL. DEV. = 23.3 DEGREES REMARK 500 ASN A 98 CA - CB - CG ANGL. DEV. = -15.0 DEGREES REMARK 500 ASP A 99 N - CA - CB ANGL. DEV. = -11.4 DEGREES REMARK 500 SER A 100 N - CA - CB ANGL. DEV. = 10.8 DEGREES REMARK 500 PRO A 102 N - CA - C ANGL. DEV. = -17.7 DEGREES REMARK 500 ARG A 104 CD - NE - CZ ANGL. DEV. = -12.3 DEGREES REMARK 500 THR A 106 CA - CB - CG2 ANGL. DEV. = -9.4 DEGREES REMARK 500 THR A 123 N - CA - CB ANGL. DEV. = 16.4 DEGREES REMARK 500 LYS B 15 CA - CB - CG ANGL. DEV. = -14.7 DEGREES REMARK 500 ARG B 21 CD - NE - CZ ANGL. DEV. = -12.3 DEGREES REMARK 500 ARG B 34 CD - NE - CZ ANGL. DEV. = -10.9 DEGREES REMARK 500 ALA B 37 N - CA - CB ANGL. DEV. = 15.4 DEGREES REMARK 500 ASP B 38 N - CA - C ANGL. DEV. = 22.1 DEGREES REMARK 500 ASP B 39 CB - CA - C ANGL. DEV. = 14.0 DEGREES REMARK 500 ASP B 39 N - CA - CB ANGL. DEV. = 11.9 DEGREES REMARK 500 THR B 40 N - CA - CB ANGL. DEV. = -13.0 DEGREES REMARK 500 THR B 40 N - CA - C ANGL. DEV. = 21.5 DEGREES REMARK 500 TRP B 41 N - CA - CB ANGL. DEV. = 11.0 DEGREES REMARK 500 LEU B 58 N - CA - C ANGL. DEV. = 20.6 DEGREES REMARK 500 THR B 59 CA - CB - CG2 ANGL. DEV. = -9.2 DEGREES REMARK 500 GLN B 63 N - CA - C ANGL. DEV. = -16.4 DEGREES REMARK 500 GLU B 66 CB - CA - C ANGL. DEV. = 13.3 DEGREES REMARK 500 ASP B 99 CA - CB - CG ANGL. DEV. = -16.2 DEGREES REMARK 500 GLY B 101 C - N - CA ANGL. DEV. = -13.4 DEGREES REMARK 500 ARG B 104 CD - NE - CZ ANGL. DEV. = -16.5 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 LYS A 35 107.66 -59.66 REMARK 500 ASP A 39 -18.29 100.22 REMARK 500 LEU A 58 -87.15 -31.79 REMARK 500 GLU A 61 -63.70 -29.93 REMARK 500 GLU A 62 60.73 -162.39 REMARK 500 GLN A 63 -54.32 -125.72 REMARK 500 ASN A 98 158.33 59.79 REMARK 500 ASP A 99 -76.56 161.74 REMARK 500 SER A 100 55.12 -117.32 REMARK 500 PRO B 11 -19.94 -33.76 REMARK 500 ASP B 38 35.23 -98.31 REMARK 500 ASP B 39 -17.09 89.91 REMARK 500 LEU B 58 -79.59 -27.09 REMARK 500 GLU B 62 56.42 -148.91 REMARK 500 ASN B 98 108.45 133.13 REMARK 500 ASP B 99 -76.10 -118.58 REMARK 500 SER B 100 75.88 -172.43 REMARK 500 ARG B 103 -151.64 -105.71 REMARK 500 REMARK 500 REMARK: NULL REMARK 700 REMARK 700 SHEET REMARK 700 THE FIRST STRAND OF THE *EXTERNAL* SHEET IN EACH SUBUNIT IS REMARK 700 DISCONTINUOUS. TO ACCOMODATE 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 STRANDS REMARK 700 2,3,4 OF *X1B* ARE IDENTICAL TO STRANDS 2,3,4 OF *X2B*. REMARK 700 DESPITE THIS PARTIAL REDUNDANCY OF REPRESENTATION THERE IS REMARK 700 NO IMPLICATION THAT EACH SUBUNIT CONTAINS MORE THAN ONE REMARK 700 *EXTERNAL* SHEET SUBSTRUCTURE. DBREF 2PAB A 1 127 UNP P02766 TTHY_HUMAN 1 127 DBREF 2PAB B 1 127 UNP P02766 TTHY_HUMAN 1 127 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 GLN 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 GLN 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 HELIX 1 AA THR A 75 GLY A 83 1 9 HELIX 2 AB THR B 75 GLY B 83 1 9 SHEET 1 INT 8 GLY A 53 LEU A 55 0 SHEET 2 INT 8 PRO A 11 ALA A 19 -1 O VAL A 14 N LEU A 55 SHEET 3 INT 8 TYR A 105 SER A 112 1 O MET A 13 N ILE A 107 SHEET 4 INT 8 TYR A 114 VAL A 121 -1 O ALA A 108 N THR A 119 SHEET 5 INT 8 TYR B 114 VAL B 121 -1 O THR A 118 N TYR B 116 SHEET 6 INT 8 TYR B 105 SER B 112 -1 N THR B 119 O ALA B 108 SHEET 7 INT 8 PRO B 11 ALA B 19 1 N ILE B 107 O MET B 13 SHEET 8 INT 8 GLY B 53 LEU B 55 -1 N LEU B 55 O VAL B 14 SHEET 1 X1A 4 GLU A 42 GLU A 42 0 SHEET 2 X1A 4 VAL A 28 LYS A 35 -1 O ARG A 34 N GLU A 42 SHEET 3 X1A 4 GLY A 67 ASP A 74 -1 O HIS A 31 N GLU A 72 SHEET 4 X1A 4 ALA A 91 ALA A 97 -1 O VAL A 71 N VAL A 93 SHEET 1 X2A 4 ALA A 45 THR A 49 0 SHEET 2 X2A 4 VAL A 28 LYS A 35 -1 O VAL A 30 N GLY A 47 SHEET 3 X2A 4 GLY A 67 ASP A 74 -1 O HIS A 31 N GLU A 72 SHEET 4 X2A 4 ALA A 91 ALA A 97 -1 O VAL A 71 N VAL A 93 SHEET 1 X1B 4 GLU B 42 GLU B 42 0 SHEET 2 X1B 4 VAL B 28 LYS B 35 -1 O ARG B 34 N GLU B 42 SHEET 3 X1B 4 GLY B 67 ASP B 74 -1 O HIS B 31 N GLU B 72 SHEET 4 X1B 4 ALA B 91 ALA B 97 -1 O VAL B 71 N VAL B 93 SHEET 1 X2B 4 ALA B 45 THR B 49 0 SHEET 2 X2B 4 VAL B 28 LYS B 35 -1 O VAL B 30 N GLY B 47 SHEET 3 X2B 4 GLY B 67 ASP B 74 -1 O HIS B 31 N GLU B 72 SHEET 4 X2B 4 ALA B 91 ALA B 97 -1 O VAL B 71 N VAL B 93 CRYST1 43.490 85.680 65.990 90.00 90.00 90.00 P 21 21 2 8 ORIGX1 1.000000 0.000000 0.000000 -21.74500 ORIGX2 0.000000 -1.000000 0.000000 42.84000 ORIGX3 0.000000 0.000000 -1.000000 16.49750 SCALE1 0.022994 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011671 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015154 0.00000 MTRIX1 1 -0.987710 0.156297 0.000000 36.52699 1 MTRIX2 1 0.156297 0.987710 0.000000 -2.87217 1 MTRIX3 1 0.000000 0.000000 -1.000000 32.99500 1