HEADER METAL BINDING PROTEIN 03-AUG-10 2L1R TITLE THE STRUCTURE OF THE CALCIUM-SENSITIZER, DFBP-O, IN COMPLEX WITH THE TITLE 2 N-DOMAIN OF TROPONIN C AND THE SWITCH REGION OF TROPONIN I COMPND MOL_ID: 1; COMPND 2 MOLECULE: TROPONIN C; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-TERMINAL DOMAIN; COMPND 5 SYNONYM: TN-C; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: TROPONIN I; COMPND 9 CHAIN: B; COMPND 10 FRAGMENT: SWITCH REGION; COMPND 11 SYNONYM: CARDIAC TROPONIN I; COMPND 12 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: TNNC1, TNNC; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET; SOURCE 10 MOL_ID: 2; SOURCE 11 SYNTHETIC: YES; SOURCE 12 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 13 ORGANISM_COMMON: HUMAN; SOURCE 14 ORGANISM_TAXID: 9606 KEYWDS TROPONIN C, TROPONIN I, CA2+-SENSITIZER, DFBP-O, N-DOMAIN, METAL KEYWDS 2 BINDING PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR I.M.ROBERTSON,Y.SUN,M.X.LI,B.D.SYKES REVDAT 4 01-MAY-24 2L1R 1 REMARK LINK REVDAT 3 24-NOV-10 2L1R 1 JRNL REVDAT 2 15-SEP-10 2L1R 1 JRNL REVDAT 1 18-AUG-10 2L1R 0 JRNL AUTH I.M.ROBERTSON,Y.B.SUN,M.X.LI,B.D.SYKES JRNL TITL A STRUCTURAL AND FUNCTIONAL PERSPECTIVE INTO THE MECHANISM JRNL TITL 2 OF CA(2+)-SENSITIZERS THAT TARGET THE CARDIAC TROPONIN JRNL TITL 3 COMPLEX. JRNL REF J.MOL.CELL.CARDIOL. V. 49 1031 2010 JRNL REFN ISSN 0022-2828 JRNL PMID 20801130 JRNL DOI 10.1016/J.YJMCC.2010.08.019 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR NIH 2.24 REMARK 3 AUTHORS : SCHWIETERS, KUSZEWSKI, TJANDRA AND CLORE REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2L1R COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-AUG-10. REMARK 100 THE DEPOSITION ID IS D_1000101847. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : 6.8 REMARK 210 IONIC STRENGTH : 0.1 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 0.5-1 MM [U-99% 13C; U-99% 15N] REMARK 210 CNTNC, 2-4 MM CTNI(144-163), 2-4 REMARK 210 MM 2',4'-DIFLUORO (1,1'-BIPHENYL) REMARK 210 -4-YLOXY ACETIC ACID, 2-4 MM REMARK 210 CALCIUM, 100 MM KCL, 10 MM DTT, REMARK 210 10 MM IMIDAZOLE, 95% H2O/5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 2D 1H-13C HSQC; REMARK 210 3D CBCA(CO)NH; 3D C(CO)NH; 3D REMARK 210 H(CCO)NH; 3D HNCACB; 3D 1H-13C REMARK 210 NOESY; 3D 1H-15N NOESY; 3D 1H- REMARK 210 15N TOCSY; 2D 13C, 15N FILTERED REMARK 210 NOESY; 2D 13C,15N FILTERED TOCSY; REMARK 210 2D 1H-19F HOESY; 3D 13C REMARK 210 FILTERED, EDITED NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : INOVA; UNITY REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 200 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LEAST REMARK 210 RESTRAINT VIOLATIONS REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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: DIMERIC 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS 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 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 1 GLN A 11 -84.76 -80.71 REMARK 500 1 LEU A 12 -159.59 53.23 REMARK 500 1 GLU A 32 -114.95 51.62 REMARK 500 1 GLU A 66 40.01 -155.46 REMARK 500 1 LYS A 86 -176.34 63.57 REMARK 500 1 ARG B 145 57.31 -114.58 REMARK 500 1 ALA B 160 97.54 -67.01 REMARK 500 1 ALA B 162 -49.69 -136.20 REMARK 500 2 ASP A 2 -77.84 -108.24 REMARK 500 2 GLN A 11 48.22 -109.10 REMARK 500 2 ALA A 31 -83.21 -98.80 REMARK 500 2 GLU A 32 27.41 -157.63 REMARK 500 2 SER A 37 -168.34 -103.06 REMARK 500 2 PRO A 52 -92.62 -71.34 REMARK 500 2 ARG B 145 170.01 63.18 REMARK 500 2 SER B 149 111.85 64.30 REMARK 500 2 ARG B 161 -54.27 69.93 REMARK 500 3 ASP A 2 -45.93 -170.99 REMARK 500 3 ASP A 3 -82.72 55.07 REMARK 500 3 ALA A 31 33.21 -98.17 REMARK 500 3 GLU A 32 -86.25 54.07 REMARK 500 3 ASN A 51 77.98 -118.74 REMARK 500 3 ASP A 65 -88.43 -92.60 REMARK 500 3 ASP A 73 -162.00 -104.00 REMARK 500 3 LYS A 86 115.26 70.44 REMARK 500 3 ASP A 87 -163.55 -108.70 REMARK 500 3 ARG B 145 -63.27 -132.12 REMARK 500 3 ARG B 147 -79.16 -114.34 REMARK 500 3 ILE B 148 156.90 64.56 REMARK 500 4 ASP A 3 -63.81 -156.09 REMARK 500 4 VAL A 28 63.60 -110.02 REMARK 500 4 ALA A 31 -168.69 52.98 REMARK 500 4 CYS A 35 -167.61 -110.33 REMARK 500 4 LEU A 48 -48.02 -143.43 REMARK 500 4 ASP A 67 43.80 -104.59 REMARK 500 4 SER A 69 -52.20 -146.44 REMARK 500 4 ASP A 73 -168.00 -110.47 REMARK 500 4 MET A 85 -63.34 -95.23 REMARK 500 4 ARG B 145 -150.18 -115.23 REMARK 500 4 VAL B 146 31.15 -93.96 REMARK 500 5 ASP A 2 -82.17 58.99 REMARK 500 5 GLN A 11 39.15 -89.64 REMARK 500 5 VAL A 28 43.67 -84.90 REMARK 500 5 GLU A 32 -68.22 65.84 REMARK 500 5 ASP A 65 -82.44 -131.36 REMARK 500 5 ASP A 87 -153.22 54.30 REMARK 500 5 ASP A 88 -40.12 -152.65 REMARK 500 5 ARG B 161 -58.06 -150.08 REMARK 500 6 ASP A 3 -67.78 -141.82 REMARK 500 6 VAL A 28 37.01 -88.24 REMARK 500 REMARK 500 THIS ENTRY HAS 170 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 1 ARG A 46 0.29 SIDE CHAIN REMARK 500 1 ARG A 83 0.28 SIDE CHAIN REMARK 500 1 ARG B 144 0.32 SIDE CHAIN REMARK 500 1 ARG B 145 0.32 SIDE CHAIN REMARK 500 1 ARG B 147 0.31 SIDE CHAIN REMARK 500 1 ARG B 161 0.31 SIDE CHAIN REMARK 500 2 ARG A 46 0.32 SIDE CHAIN REMARK 500 2 ARG A 83 0.28 SIDE CHAIN REMARK 500 2 ARG B 144 0.32 SIDE CHAIN REMARK 500 2 ARG B 145 0.31 SIDE CHAIN REMARK 500 2 ARG B 147 0.30 SIDE CHAIN REMARK 500 2 ARG B 161 0.31 SIDE CHAIN REMARK 500 3 ARG A 46 0.29 SIDE CHAIN REMARK 500 3 ARG A 83 0.31 SIDE CHAIN REMARK 500 3 ARG B 144 0.31 SIDE CHAIN REMARK 500 3 ARG B 145 0.31 SIDE CHAIN REMARK 500 3 ARG B 147 0.30 SIDE CHAIN REMARK 500 3 ARG B 161 0.30 SIDE CHAIN REMARK 500 4 ARG A 46 0.32 SIDE CHAIN REMARK 500 4 ARG A 83 0.32 SIDE CHAIN REMARK 500 4 ARG B 144 0.32 SIDE CHAIN REMARK 500 4 ARG B 145 0.32 SIDE CHAIN REMARK 500 4 ARG B 147 0.31 SIDE CHAIN REMARK 500 4 ARG B 161 0.31 SIDE CHAIN REMARK 500 5 ARG A 46 0.26 SIDE CHAIN REMARK 500 5 ARG A 83 0.31 SIDE CHAIN REMARK 500 5 ARG B 144 0.31 SIDE CHAIN REMARK 500 5 ARG B 145 0.32 SIDE CHAIN REMARK 500 5 ARG B 147 0.30 SIDE CHAIN REMARK 500 5 ARG B 161 0.31 SIDE CHAIN REMARK 500 6 ARG A 46 0.30 SIDE CHAIN REMARK 500 6 ARG A 83 0.30 SIDE CHAIN REMARK 500 6 ARG B 144 0.30 SIDE CHAIN REMARK 500 6 ARG B 145 0.31 SIDE CHAIN REMARK 500 6 ARG B 147 0.22 SIDE CHAIN REMARK 500 6 ARG B 161 0.29 SIDE CHAIN REMARK 500 7 ARG A 46 0.28 SIDE CHAIN REMARK 500 7 ARG A 83 0.31 SIDE CHAIN REMARK 500 7 ARG B 144 0.30 SIDE CHAIN REMARK 500 7 ARG B 145 0.29 SIDE CHAIN REMARK 500 7 ARG B 147 0.30 SIDE CHAIN REMARK 500 7 ARG B 161 0.31 SIDE CHAIN REMARK 500 8 ARG A 46 0.31 SIDE CHAIN REMARK 500 8 ARG A 83 0.31 SIDE CHAIN REMARK 500 8 ARG B 144 0.30 SIDE CHAIN REMARK 500 8 ARG B 145 0.30 SIDE CHAIN REMARK 500 8 ARG B 147 0.30 SIDE CHAIN REMARK 500 8 ARG B 161 0.31 SIDE CHAIN REMARK 500 9 ARG A 46 0.29 SIDE CHAIN REMARK 500 9 ARG A 83 0.32 SIDE CHAIN REMARK 500 REMARK 500 THIS ENTRY HAS 120 PLANE DEVIATIONS. REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 90 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 65 OD2 REMARK 620 2 ASP A 65 OD1 46.3 REMARK 620 3 ASP A 67 OD2 107.1 92.0 REMARK 620 4 ASP A 67 OD1 63.6 62.2 43.6 REMARK 620 5 SER A 69 OG 71.8 112.6 81.9 69.2 REMARK 620 6 THR A 71 O 66.5 96.2 159.1 126.0 77.2 REMARK 620 7 ASP A 73 OD2 164.1 133.1 88.6 132.1 113.9 99.6 REMARK 620 8 ASP A 73 OD1 126.0 146.0 118.8 151.1 87.5 60.4 42.9 REMARK 620 9 GLU A 76 OE1 81.4 69.2 145.1 131.3 132.0 55.5 84.3 76.9 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 90 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SXK A 91 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2KRD RELATED DB: PDB REMARK 900 RELATED ID: 1LXF RELATED DB: PDB REMARK 900 RELATED ID: 1YTZ RELATED DB: PDB REMARK 900 RELATED ID: 1DTL RELATED DB: PDB REMARK 900 RELATED ID: 1WRK RELATED DB: PDB REMARK 900 RELATED ID: 2KFX RELATED DB: PDB DBREF 2L1R A 1 89 UNP P63316 TNNC1_HUMAN 1 89 DBREF 2L1R B 144 163 UNP P19429 TNNI3_HUMAN 145 164 SEQRES 1 A 89 MET ASP ASP ILE TYR LYS ALA ALA VAL GLU GLN LEU THR SEQRES 2 A 89 GLU GLU GLN LYS ASN GLU PHE LYS ALA ALA PHE ASP ILE SEQRES 3 A 89 PHE VAL LEU GLY ALA GLU ASP GLY CYS ILE SER THR LYS SEQRES 4 A 89 GLU LEU GLY LYS VAL MET ARG MET LEU GLY GLN ASN PRO SEQRES 5 A 89 THR PRO GLU GLU LEU GLN GLU MET ILE ASP GLU VAL ASP SEQRES 6 A 89 GLU ASP GLY SER GLY THR VAL ASP PHE ASP GLU PHE LEU SEQRES 7 A 89 VAL MET MET VAL ARG CYS MET LYS ASP ASP SER SEQRES 1 B 20 ARG ARG VAL ARG ILE SER ALA ASP ALA MET MET GLN ALA SEQRES 2 B 20 LEU LEU GLY ALA ARG ALA LYS HET CA A 90 1 HET SXK A 91 28 HETNAM CA CALCIUM ION HETNAM SXK [(2',4'-DIFLUOROBIPHENYL-4-YL)OXY]ACETIC ACID FORMUL 3 CA CA 2+ FORMUL 4 SXK C14 H10 F2 O3 HELIX 1 1 ASP A 3 GLN A 11 1 9 HELIX 2 2 THR A 13 VAL A 28 1 16 HELIX 3 3 SER A 37 GLY A 49 1 13 HELIX 4 4 THR A 53 ASP A 65 1 13 HELIX 5 5 ASP A 73 LYS A 86 1 14 HELIX 6 6 SER B 149 LEU B 158 1 10 LINK OD2 ASP A 65 CA CA A 90 1555 1555 2.84 LINK OD1 ASP A 65 CA CA A 90 1555 1555 2.62 LINK OD2 ASP A 67 CA CA A 90 1555 1555 2.93 LINK OD1 ASP A 67 CA CA A 90 1555 1555 2.85 LINK OG SER A 69 CA CA A 90 1555 1555 2.79 LINK O THR A 71 CA CA A 90 1555 1555 2.85 LINK OD2 ASP A 73 CA CA A 90 1555 1555 2.65 LINK OD1 ASP A 73 CA CA A 90 1555 1555 3.11 LINK OE1 GLU A 76 CA CA A 90 1555 1555 2.81 LINK OE2 GLU A 76 CA CA A 90 1555 1555 2.83 SITE 1 AC1 6 ASP A 65 ASP A 67 SER A 69 THR A 71 SITE 2 AC1 6 ASP A 73 GLU A 76 SITE 1 AC2 9 PHE A 27 LEU A 41 MET A 60 MET A 80 SITE 2 AC2 9 ARG A 83 CYS A 84 ARG B 147 ILE B 148 SITE 3 AC2 9 MET B 153 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1