10 20 30 40 50 60 70 80 1SBJ - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER CONTRACTILE PROTEIN, STRUCTURAL PROTEIN 10-FEB-04 1SBJ
TITLE NMR STRUCTURE OF THE MG2+-LOADED C TERMINAL DOMAIN OF TITLE 2 CARDIAC TROPONIN C BOUND TO THE N TERMINAL DOMAIN OF TITLE 3 CARDIAC TROPONIN I
COMPND MOL_ID: 1; COMPND 2 MOLECULE: TROPONIN C, SLOW SKELETAL AND CARDIAC MUSCLES; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: C-TERMINAL DOMAIN (RESIDUES 81 - 161); COMPND 5 SYNONYM: TN-C; COMPND 6 ENGINEERED: YES
SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GALLUS GALLUS; SOURCE 3 ORGANISM_COMMON: CHICKEN; SOURCE 4 ORGANISM_TAXID: 9031; SOURCE 5 GENE: CTNC; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET-23D+
KEYWDS TROPONIN C-TROPONIN I INTERACTION, CARDIAC, MUSCLE PROTEIN, KEYWDS 2 2 MAGNESIUM BINDING PROTEIN, CONTRACTILE PROTEIN, KEYWDS 3 STRUCTURAL PROTEIN
EXPDTA SOLUTION NMR
NUMMDL 20
AUTHOR N.L.FINLEY,J.W.HOWARTH,P.R.ROSEVEAR
REVDAT 4 24-FEB-09 1SBJ 1 VERSN REVDAT 3 14-DEC-04 1SBJ 1 JRNL REVDAT 2 30-NOV-04 1SBJ 1 HELIX SHEET REMARK REVDAT 1 23-NOV-04 1SBJ 0
JRNL AUTH N.L.FINLEY,J.W.HOWARTH,P.R.ROSEVEAR JRNL TITL STRUCTURE OF THE MG2+-LOADED C-LOBE OF CARDIAC JRNL TITL 2 TROPONIN C BOUND TO THE N-DOMAIN OF CARDIAC JRNL TITL 3 TROPONIN I: COMPARISON WITH THE CA2+-LOADED JRNL TITL 4 STRUCTURE. JRNL REF BIOCHEMISTRY V. 43 11371 2004 JRNL REFN ISSN 0006-2960 JRNL PMID 15350124 JRNL DOI 10.1021/BI049672I
REMARK 1
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNX 1.0 REMARK 3 AUTHORS : ACCELRYS REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURES ARE BASED ON A TOTAL REMARK 3 OF 958 RESTRAINTS, 818 ARE NOE-DERIVED DISTANCE RESTRAINTS, 78 REMARK 3 DIHEDRAL ANGLE RESTRAINTS, 4 DISTANCE RESTRAINTS FROM HYDROGEN REMARK 3 BONDS AND 58 DIPOLAR COUPLING RESTRAINTS
REMARK 4 REMARK 4 1SBJ COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-FEB-04. REMARK 100 THE RCSB ID CODE IS RCSB021578.
REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 318.00 REMARK 210 PH : 6.8 REMARK 210 IONIC STRENGTH : 100 MM CACL2, 20 MM MGCL2 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1MM [13C,15]CTNC(81-161)/ REMARK 210 CTNI(33-80), 20MM TRIS(D11), REMARK 210 10MM DTT, 20MM BETA- REMARK 210 MERCAPTOETHANOL, 2MM EGTA, REMARK 210 100MM KCL, 20MM MGCL2, 90% REMARK 210 H20, 10% D2O; 1MM [15N] REMARK 210 CTNC(81-161)/CTNI(33-80), 20MM REMARK 210 TRIS(D11), 10MM DTT, 20MM BETA REMARK 210 -MERCAPTOETHANOL, 2MM EGTA, REMARK 210 100MM KCL, 20MM MGCL2, 90% REMARK 210 H20, 10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : HSQC, HNHA, HNHB, CN-NOESY- REMARK 210 HSQC, (HB)CBCA(CO)NH, HNCACB, REMARK 210 H(CCO)NH,C(CO)NH, (HB)CB(CGCD) REMARK 210 HD, (HB)CB(CGCDCE)HE, NOESY- REMARK 210 HSQC, AB-TROSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ, 500 MHZ REMARK 210 SPECTROMETER MODEL : INOVA REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : FELIX 2000, CNS 1.0, CNX 1.0 REMARK 210 METHOD USED : DGSA REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 20 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 : 11 REMARK 210 REMARK 210 REMARK: BEST 20 STRUCTURES. THESE STRUCTURES WERE DETERMINED REMARK 210 USING TRIPLE-RESONANCE NMR SPECTROSCOPY ON MG2+-SATURATED 15N, REMARK 210 13C-CTNC(81-161) BOUND TO CTNI(33-80).
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 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 ARG A 83 -48.68 -141.26 REMARK 500 1 LYS A 86 -174.38 60.76 REMARK 500 1 LYS A 90 -178.32 -63.92 REMARK 500 1 THR A 93 -168.31 -111.65 REMARK 500 1 THR A 124 172.26 -59.63 REMARK 500 1 LYS A 158 41.65 -98.75 REMARK 500 2 LYS A 86 -62.25 -146.69 REMARK 500 2 SER A 89 -71.02 -106.98 REMARK 500 2 THR A 93 -92.56 -85.25 REMARK 500 2 ALA A 108 70.15 46.96 REMARK 500 2 THR A 124 174.32 -58.33 REMARK 500 2 LYS A 158 35.21 -99.31 REMARK 500 3 VAL A 82 -67.57 68.96 REMARK 500 3 MET A 85 108.27 -169.73 REMARK 500 3 ASP A 88 -77.42 -70.21 REMARK 500 3 LYS A 90 -171.23 -60.82 REMARK 500 3 THR A 93 -156.53 -113.94 REMARK 500 3 ALA A 108 71.19 47.16 REMARK 500 4 ARG A 83 101.57 60.19 REMARK 500 4 CYS A 84 -46.32 -152.07 REMARK 500 4 LYS A 86 -47.03 -152.89 REMARK 500 4 ASP A 88 -79.14 -132.37 REMARK 500 4 ALA A 108 75.36 44.80 REMARK 500 4 MET A 157 -72.71 -78.54 REMARK 500 4 LYS A 158 69.36 -61.81 REMARK 500 4 VAL A 160 41.00 -95.99 REMARK 500 5 VAL A 82 -65.63 69.17 REMARK 500 5 CYS A 84 114.43 59.83 REMARK 500 5 LYS A 86 -66.89 -127.32 REMARK 500 6 VAL A 82 -64.65 69.80 REMARK 500 6 ARG A 83 101.07 66.45 REMARK 500 6 LYS A 86 -167.80 58.72 REMARK 500 6 ASP A 88 177.22 -50.96 REMARK 500 6 THR A 93 -148.95 -113.41 REMARK 500 6 ALA A 108 75.30 46.34 REMARK 500 6 LYS A 158 39.94 -99.55 REMARK 500 7 VAL A 82 -46.37 -133.36 REMARK 500 7 ARG A 83 -66.21 -144.64 REMARK 500 7 CYS A 84 -55.41 -147.46 REMARK 500 7 SER A 89 -150.39 -105.96 REMARK 500 7 THR A 93 -158.21 -113.06 REMARK 500 7 THR A 124 -169.28 -63.81 REMARK 500 7 ASP A 141 83.21 -69.01 REMARK 500 8 CYS A 84 -64.65 -105.11 REMARK 500 8 ASP A 88 44.29 -103.45 REMARK 500 8 SER A 89 -88.20 -125.25 REMARK 500 8 LYS A 92 61.31 -119.32 REMARK 500 8 ALA A 108 96.01 40.65 REMARK 500 8 ASP A 109 -40.90 -141.11 REMARK 500 8 LYS A 158 66.34 -62.74 REMARK 500 9 CYS A 84 -43.74 -166.56 REMARK 500 9 LYS A 86 51.11 -103.41 REMARK 500 9 THR A 93 -158.62 -113.66 REMARK 500 9 THR A 124 -172.02 -58.49 REMARK 500 9 ASN A 144 27.96 49.24 REMARK 500 10 ARG A 83 35.78 -166.12 REMARK 500 10 MET A 85 -179.99 60.17 REMARK 500 10 LYS A 90 167.76 -42.50 REMARK 500 10 THR A 93 -149.67 -112.68 REMARK 500 10 MET A 157 -71.35 -73.61 REMARK 500 10 LYS A 158 75.76 -64.71 REMARK 500 10 VAL A 160 44.89 -106.41 REMARK 500 11 LYS A 86 -72.14 -95.27 REMARK 500 11 THR A 93 -159.10 -112.98 REMARK 500 11 ALA A 108 72.78 44.69 REMARK 500 12 VAL A 82 -63.94 69.86 REMARK 500 12 ARG A 83 -71.59 -55.23 REMARK 500 12 CYS A 84 -178.51 -177.82 REMARK 500 12 LYS A 86 -80.45 -79.19 REMARK 500 12 ASP A 88 -164.31 -58.68 REMARK 500 12 LYS A 90 -167.64 -51.89 REMARK 500 12 THR A 93 -79.28 -110.96 REMARK 500 12 ALA A 108 73.17 44.45 REMARK 500 12 LYS A 158 50.76 -98.93 REMARK 500 13 ARG A 83 30.61 -147.67 REMARK 500 13 CYS A 84 86.70 -168.57 REMARK 500 13 LYS A 86 31.56 -165.49 REMARK 500 13 SER A 89 100.14 -54.27 REMARK 500 13 ALA A 108 71.04 45.93 REMARK 500 13 ILE A 119 -67.44 -91.00 REMARK 500 13 THR A 124 -174.68 -65.30 REMARK 500 13 LYS A 158 38.63 -99.52 REMARK 500 14 VAL A 82 91.98 63.67 REMARK 500 14 ARG A 83 167.85 60.24 REMARK 500 14 THR A 93 -156.08 -112.80 REMARK 500 14 ALA A 108 71.02 45.40 REMARK 500 14 THR A 127 -164.18 -111.13 REMARK 500 14 ASN A 144 27.81 48.83 REMARK 500 14 MET A 157 -73.98 -83.68 REMARK 500 14 LYS A 158 66.84 -63.25 REMARK 500 14 VAL A 160 -60.14 -91.37 REMARK 500 15 ARG A 83 140.58 -173.35 REMARK 500 15 CYS A 84 165.32 60.50 REMARK 500 15 LYS A 86 -69.00 68.65 REMARK 500 15 ASP A 87 -163.02 -125.99 REMARK 500 15 LYS A 92 94.46 -65.13 REMARK 500 15 THR A 93 -97.36 -110.62 REMARK 500 15 GLU A 94 -69.60 -107.12 REMARK 500 15 THR A 124 -170.33 -57.14 REMARK 500 15 LYS A 158 45.36 -99.03 REMARK 500 16 CYS A 84 -78.74 64.38 REMARK 500 16 ASN A 144 29.15 47.30 REMARK 500 16 VAL A 160 -71.52 -91.74 REMARK 500 17 MET A 85 98.16 -168.23 REMARK 500 17 LYS A 86 -167.44 -67.55 REMARK 500 17 SER A 89 -100.07 -125.00 REMARK 500 17 LYS A 92 59.60 -115.91 REMARK 500 17 THR A 93 -153.19 -113.09 REMARK 500 17 ALA A 108 71.27 46.17 REMARK 500 17 THR A 124 -178.64 -68.55 REMARK 500 17 ASN A 144 27.96 49.82 REMARK 500 17 MET A 157 -73.03 -79.51 REMARK 500 17 LYS A 158 71.05 -61.77 REMARK 500 17 VAL A 160 39.04 -97.23 REMARK 500 18 ARG A 83 -40.92 -171.49 REMARK 500 18 ASP A 88 -66.28 -97.33 REMARK 500 18 LYS A 90 84.46 -61.06 REMARK 500 18 THR A 93 -148.39 -113.07 REMARK 500 18 ALA A 108 80.51 44.32 REMARK 500 18 THR A 124 -173.50 -66.64 REMARK 500 18 MET A 157 -72.74 -83.83 REMARK 500 18 LYS A 158 67.27 -62.98 REMARK 500 18 VAL A 160 46.70 -101.67 REMARK 500 19 MET A 85 56.59 -149.60 REMARK 500 19 LYS A 86 -176.02 60.43 REMARK 500 19 ASP A 87 -166.46 -71.16 REMARK 500 19 LYS A 90 -176.57 -66.47 REMARK 500 19 LYS A 158 37.62 -99.93 REMARK 500 20 CYS A 84 30.89 -160.71 REMARK 500 20 MET A 85 -63.12 -99.14 REMARK 500 20 ASP A 88 104.47 -54.66 REMARK 500 20 SER A 89 -162.92 -77.66 REMARK 500 20 LYS A 92 64.56 -114.15 REMARK 500 20 THR A 93 -159.55 -112.74 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 1 MG A 162 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 105 OD2 REMARK 620 2 GLU A 116 OE2 169.4 REMARK 620 3 ASN A 107 OD1 95.3 78.5 REMARK 620 4 ASP A 105 OD1 19.8 170.5 103.4 REMARK 620 5 ASP A 109 OD1 54.9 114.5 62.6 74.2 REMARK 620 6 TYR A 111 O 62.3 113.4 121.6 73.7 60.7 REMARK 620 7 GLU A 116 OE1 136.4 48.7 127.3 128.8 132.5 84.6 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 1 MG A 163 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 143 OD1 REMARK 620 2 ASP A 145 OD2 103.8 REMARK 620 3 ARG A 147 O 159.7 62.6 REMARK 620 4 GLU A 152 OE1 81.6 166.5 115.2 REMARK 620 5 ASP A 145 OD1 78.8 30.6 83.1 159.8 REMARK 620 6 ASN A 143 ND2 50.6 72.4 129.3 103.0 68.1 REMARK 620 7 GLU A 152 OE2 115.4 115.6 84.8 51.4 144.3 95.1 REMARK 620 8 ASP A 141 OD1 64.7 97.0 100.5 96.6 70.3 107.1 145.1 REMARK 620 9 ASP A 141 OD2 107.8 86.2 58.6 104.1 77.2 141.5 123.2 43.1 REMARK 620 N 1 2 3 4 5 6 7 8
REMARK 650 REMARK 650 HELIX REMARK 650 DETERMINATION METHOR: AUTHOR
REMARK 700 REMARK 700 SHEET REMARK 700 DETERMINATION METHOR: AUTHOR
REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 162 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 163
REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FI5 RELATED DB: PDB REMARK 900 SAME COMPLEX WITH CA2+ BOUND
DBREF 1SBJ A 81 161 UNP P09860 TNNC1_CHICK 81 161
SEQRES 1 A 81 MET VAL ARG CYS MET LYS ASP ASP SER LYS GLY LYS THR SEQRES 2 A 81 GLU GLU GLU LEU SER ASP LEU PHE ARG MET PHE ASP LYS SEQRES 3 A 81 ASN ALA ASP GLY TYR ILE ASP LEU GLU GLU LEU LYS ILE SEQRES 4 A 81 MET LEU GLN ALA THR GLY GLU THR ILE THR GLU ASP ASP SEQRES 5 A 81 ILE GLU GLU LEU MET LYS ASP GLY ASP LYS ASN ASN ASP SEQRES 6 A 81 GLY ARG ILE ASP TYR ASP GLU PHE LEU GLU PHE MET LYS SEQRES 7 A 81 GLY VAL GLU
HET MG A 162 1 HET MG A 163 1
HETNAM MG MAGNESIUM ION
FORMUL 2 MG 2(MG 2+)
HELIX 1 1 THR A 93 MET A 103 5 11 HELIX 2 2 LEU A 114 ALA A 123 1 10 HELIX 3 3 GLU A 130 ASP A 139 1 10 HELIX 4 4 TYR A 150 PHE A 156 1 7
SHEET 1 A 2 TYR A 111 ASP A 113 0 SHEET 2 A 2 ARG A 147 ASP A 149 -1 O ILE A 148 N ILE A 112
LINK MG MG A 162 OD2 ASP A 105 1555 1555 4.15 LINK MG MG A 162 OE2 GLU A 116 1555 1555 2.89 LINK MG MG A 163 OD1 ASN A 143 1555 1555 1.91 LINK MG MG A 163 OD2 ASP A 145 1555 1555 3.67 LINK MG MG A 163 O ARG A 147 1555 1555 2.23 LINK MG MG A 163 OE1 GLU A 152 1555 1555 2.78 LINK MG MG A 162 OD1 ASN A 107 1555 1555 2.62 LINK MG MG A 162 OD1 ASP A 105 1555 1555 2.21 LINK MG MG A 162 OD1 ASP A 109 1555 1555 2.64 LINK MG MG A 162 O TYR A 111 1555 1555 2.70 LINK MG MG A 162 OE1 GLU A 116 1555 1555 2.23 LINK MG MG A 163 OD1 ASP A 145 1555 1555 2.00 LINK MG MG A 163 ND2 ASN A 143 1555 1555 2.91 LINK MG MG A 163 OE2 GLU A 152 1555 1555 2.06 LINK MG MG A 163 OD1 ASP A 141 1555 1555 2.85 LINK MG MG A 163 OD2 ASP A 141 1555 1555 3.11
SITE 1 AC1 5 ASP A 105 ASN A 107 ASP A 109 TYR A 111 SITE 2 AC1 5 GLU A 116 SITE 1 AC2 5 ASP A 141 ASN A 143 ASP A 145 ARG A 147 SITE 2 AC2 5 GLU A 152
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