HEADER STRUCTURAL PROTEIN 16-DEC-09 2KRD TITLE SOLUTION STRUCTURE OF THE REGULATORY DOMAIN OF HUMAN CARDIAC TROPONIN TITLE 2 C IN COMPLEX WITH THE SWITCH REGION OF CARDIAC TROPONIN I AND W7 COMPND MOL_ID: 1; COMPND 2 MOLECULE: TROPONIN C, SLOW SKELETAL AND CARDIAC MUSCLES; COMPND 3 CHAIN: C; COMPND 4 SYNONYM: TN-C; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: TROPONIN I, CARDIAC MUSCLE; COMPND 8 CHAIN: I; COMPND 9 SYNONYM: CARDIAC TROPONIN I; COMPND 10 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: PET3A; 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 CARDIAC TROPONIN C, REGULATORY DOMAIN, TROPONIN I, SWITCH REGION, W7, KEYWDS 2 ACETYLATION, CALCIUM, CARDIOMYOPATHY, DISEASE MUTATION, MUSCLE KEYWDS 3 PROTEIN, POLYMORPHISM, ACTIN-BINDING, PHOSPHOPROTEIN, STRUCTURAL KEYWDS 4 PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR M.OLESZCZUK,I.M.ROBERTSON,M.X.LI,B.D.SYKES REVDAT 3 16-MAR-22 2KRD 1 REMARK LINK REVDAT 2 28-APR-10 2KRD 1 JRNL REVDAT 1 16-FEB-10 2KRD 0 JRNL AUTH M.OLESZCZUK,I.M.ROBERTSON,M.X.LI,B.D.SYKES JRNL TITL SOLUTION STRUCTURE OF THE REGULATORY DOMAIN OF HUMAN CARDIAC JRNL TITL 2 TROPONIN C IN COMPLEX WITH THE SWITCH REGION OF CARDIAC JRNL TITL 3 TROPONIN I AND W7: THE BASIS OF W7 AS AN INHIBITOR OF JRNL TITL 4 CARDIAC MUSCLE CONTRACTION. JRNL REF J.MOL.CELL.CARDIOL. V. 48 925 2010 JRNL REFN ISSN 0022-2828 JRNL PMID 20116385 JRNL DOI 10.1016/J.YJMCC.2010.01.016 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : VNMRJ, X-PLOR NIH REMARK 3 AUTHORS : VARIAN (VNMRJ), SCHWIETERS, C. ET AL. (X-PLOR NIH) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: PROTONATED FORM OF W7 WAS USED DURING REMARK 3 WATER REFINEMENT. POSITIVE CHARGE ON W7 TAIL (-CH2-NH3+ GROUP) REMARK 3 WAS ADDED MANUALLY IN ANALOGY TO POSITIVE CHARGE ON -CH2-NH3+ REMARK 3 GROUP IN LYS+. REMARK 4 REMARK 4 2KRD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-DEC-09. REMARK 100 THE DEPOSITION ID IS D_1000101478. 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 : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 0.5 MM [U-13C; U-15N] CNTNC, 10 REMARK 210 MM IMIDAZOLE, 100 MM POTASSIUM CHLORIDE, 3 MM N-(6-AMINOHEXYL)-5- REMARK 210 CHLORO-1-NAPHTHALENESULFONAMIDE, 2.1 MM CTNI(147-163), 15 MM REMARK 210 DITHIOTHREITOL (DTT), 0.5 MM DSS, 10 MM CALCIUM CHLORIDE, 90% REMARK 210 H2O/10% D2O; 0.8 MM [U-13C; U-15N] CNTNC, 10 MM IMIDAZOLE, 100 REMARK 210 MM POTASSIUM CHLORIDE, 9 MM CALCIUM CHLORIDE, 2.5 MM N-(6- REMARK 210 AMINOHEXYL)-5-CHLORO-1-NAPHTHALENESULFONAMIDE, 4.2 MM CTNI(147- REMARK 210 163), 15 MM DITHIOTHREITOL (DTT), 0.5 MM DSS, 90% H2O/10% D2O; REMARK 210 0.5 MM [U-13C; U-15N] CNTNC, 10 MM IMIDAZOLE, 100 MM POTASSIUM REMARK 210 CHLORIDE, 9 MM CALCIUM CHLORIDE, 2.8 MM N-(6-AMINOHEXYL)-5- REMARK 210 CHLORO-1-NAPHTHALENESULFONAMIDE, 2 MM CTNI(147-163), 15 MM REMARK 210 DITHIOTHREITOL (DTT), 0.2 MM DSS, 100% D2O; 0.7 MM [U-13C; U-15N] REMARK 210 CNTNC, 10 MM IMIDAZOLE, 100 MM POTASSIUM CHLORIDE, 9 MM CALCIUM REMARK 210 CHLORIDE, 2.9 MM N-(6-AMINOHEXYL)-5-CHLORO-1- REMARK 210 NAPHTHALENESULFONAMIDE, 3.6 MM CTNI(147-163), 15 MM REMARK 210 DITHIOTHREITOL (DTT), 0.4 MM DSS, 100% D2O; 0.5 MM [U-13C; U-15N] REMARK 210 CNTNC, 10 MM IMIDAZOLE, 100 MM POTASSIUM CHLORIDE, 9 MM CALCIUM REMARK 210 CHLORIDE, 3 MM N-(6-AMINOHEXYL)-5-CHLORO-1- REMARK 210 NAPHTHALENESULFONAMIDE, 2.2 MM CTNI(147-163), 15 MM REMARK 210 DITHIOTHREITOL (DTT), 0.2 MM DSS, 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 2D 1H-13C HSQC; REMARK 210 2D DQF-COSY; 3D CBCA(CO)NH; 3D REMARK 210 C(CO)NH; 3D HNCACB; 3D 1H-15N REMARK 210 NOESY; 3D 1H-13C NOESY; 2D 1H-1H REMARK 210 NOESY; 2D CNFILNOESY; 2D REMARK 210 CNFILTOCSY; 3D GCHMQCNOESY_ REMARK 210 CNFILT; 2D HBCBCGCDHDA; 3D HC(CO) REMARK 210 HN REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ; 600 MHZ; 500 MHZ REMARK 210 SPECTROMETER MODEL : INOVA; UNITY REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NMRPIPE, NMRVIEW, CYANA, TALOS, REMARK 210 X-PLOR NIH REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 300 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY 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: C, I 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 O LEU C 41 H VAL C 44 1.54 REMARK 500 O SER C 37 H LYS C 39 1.56 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 VAL C 28 53.41 -103.53 REMARK 500 1 THR C 38 -38.19 61.46 REMARK 500 1 ASP C 87 79.56 19.43 REMARK 500 1 ASP C 88 84.42 13.88 REMARK 500 1 SER I 149 -142.61 -135.08 REMARK 500 1 ASP I 151 69.19 82.69 REMARK 500 1 LEU I 158 -64.43 53.45 REMARK 500 1 ALA I 162 -38.13 96.44 REMARK 500 2 VAL C 28 68.75 -112.95 REMARK 500 2 ASP C 33 -84.62 -87.96 REMARK 500 2 THR C 38 -39.20 65.59 REMARK 500 2 ASP C 65 82.95 -66.90 REMARK 500 2 ILE I 148 107.42 -52.05 REMARK 500 2 SER I 149 -56.40 67.05 REMARK 500 3 ASP C 2 -2.08 68.33 REMARK 500 3 CYS C 35 -161.33 56.21 REMARK 500 3 LYS C 86 -3.15 -58.19 REMARK 500 3 ASP C 87 121.10 -18.26 REMARK 500 3 ASP C 88 -153.49 28.62 REMARK 500 3 SER I 149 -52.70 60.82 REMARK 500 3 ALA I 156 -17.68 -47.22 REMARK 500 3 LEU I 158 -55.15 62.20 REMARK 500 3 ARG I 161 136.14 64.10 REMARK 500 3 ALA I 162 -104.24 67.10 REMARK 500 4 LEU C 29 46.01 36.20 REMARK 500 4 THR C 38 -33.00 66.59 REMARK 500 4 ASP C 88 -58.03 -142.94 REMARK 500 4 ILE I 148 -59.72 72.53 REMARK 500 4 SER I 149 -23.32 -159.78 REMARK 500 4 ASP I 151 44.97 -97.91 REMARK 500 4 LEU I 158 -86.30 25.33 REMARK 500 4 ALA I 162 -57.86 -120.35 REMARK 500 5 THR C 38 -39.73 61.51 REMARK 500 5 ASP C 87 134.15 79.74 REMARK 500 5 ILE I 148 -122.05 40.93 REMARK 500 5 ALA I 162 -80.64 179.21 REMARK 500 6 LEU C 29 70.45 23.45 REMARK 500 6 ASP C 87 -70.35 65.11 REMARK 500 6 ILE I 148 -79.70 38.05 REMARK 500 6 ALA I 152 -18.99 -47.01 REMARK 500 6 ALA I 160 78.02 -69.80 REMARK 500 7 CYS C 35 -172.00 58.32 REMARK 500 7 THR C 38 -33.66 85.33 REMARK 500 7 ASP C 88 -179.99 53.82 REMARK 500 7 SER I 149 -51.09 63.82 REMARK 500 7 ASP I 151 39.78 -93.63 REMARK 500 7 LEU I 158 -54.43 77.92 REMARK 500 7 ALA I 160 -10.68 69.70 REMARK 500 7 ALA I 162 -146.56 -80.46 REMARK 500 8 CYS C 35 -161.26 52.91 REMARK 500 REMARK 500 THIS ENTRY HAS 156 RAMACHANDRAN OUTLIERS. 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 C 90 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP C 65 OD1 REMARK 620 2 ASP C 67 OD1 78.1 REMARK 620 3 SER C 69 OG 120.9 137.8 REMARK 620 4 THR C 71 O 73.7 148.1 71.6 REMARK 620 5 GLU C 76 OE1 94.9 90.5 121.4 77.5 REMARK 620 6 GLU C 76 OE2 139.2 81.0 97.9 111.4 50.5 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 90 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE WW7 I 91 DBREF 2KRD C 1 89 UNP P63316 TNNC1_HUMAN 1 89 DBREF 2KRD I 147 163 UNP P19429 TNNI3_HUMAN 148 164 SEQRES 1 C 89 MET ASP ASP ILE TYR LYS ALA ALA VAL GLU GLN LEU THR SEQRES 2 C 89 GLU GLU GLN LYS ASN GLU PHE LYS ALA ALA PHE ASP ILE SEQRES 3 C 89 PHE VAL LEU GLY ALA GLU ASP GLY CYS ILE SER THR LYS SEQRES 4 C 89 GLU LEU GLY LYS VAL MET ARG MET LEU GLY GLN ASN PRO SEQRES 5 C 89 THR PRO GLU GLU LEU GLN GLU MET ILE ASP GLU VAL ASP SEQRES 6 C 89 GLU ASP GLY SER GLY THR VAL ASP PHE ASP GLU PHE LEU SEQRES 7 C 89 VAL MET MET VAL ARG CYS MET LYS ASP ASP SER SEQRES 1 I 17 ARG ILE SER ALA ASP ALA MET MET GLN ALA LEU LEU GLY SEQRES 2 I 17 ALA ARG ALA LYS HET CA C 90 1 HET WW7 I 91 44 HETNAM CA CALCIUM ION HETNAM WW7 N-(6-AMINOHEXYL)-5-CHLORO-1-NAPHTHALENESULFONAMIDE FORMUL 3 CA CA 2+ FORMUL 4 WW7 C16 H21 CL N2 O2 S HELIX 1 1 ASP C 2 GLU C 10 1 9 HELIX 2 2 THR C 13 VAL C 28 1 16 HELIX 3 3 LEU C 41 GLY C 49 1 9 HELIX 4 4 THR C 53 ASP C 65 1 13 HELIX 5 5 PHE C 74 ASP C 87 1 14 HELIX 6 6 ASP I 151 ALA I 156 1 6 SHEET 1 A 2 CYS C 35 ILE C 36 0 SHEET 2 A 2 VAL C 72 ASP C 73 -1 O VAL C 72 N ILE C 36 LINK OD1 ASP C 65 CA CA C 90 1555 1555 1.98 LINK OD1 ASP C 67 CA CA C 90 1555 1555 2.33 LINK OG SER C 69 CA CA C 90 1555 1555 2.10 LINK O THR C 71 CA CA C 90 1555 1555 2.42 LINK OE1 GLU C 76 CA CA C 90 1555 1555 1.99 LINK OE2 GLU C 76 CA CA C 90 1555 1555 2.76 SITE 1 AC1 5 ASP C 65 ASP C 67 SER C 69 THR C 71 SITE 2 AC1 5 GLU C 76 SITE 1 AC2 7 MET C 47 MET C 60 VAL C 64 PHE C 77 SITE 2 AC2 7 ILE I 148 SER I 149 MET I 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