HEADER METAL BINDING PROTEIN, PROTEIN BINDING 05-JUN-02 1LXF TITLE STRUCTURE OF THE REGULATORY N-DOMAIN OF HUMAN CARDIAC TROPONIN C IN TITLE 2 COMPLEX WITH HUMAN CARDIAC TROPONIN-I(147-163) AND BEPRIDIL COMPND MOL_ID: 1; COMPND 2 MOLECULE: TROPONIN C, SLOW SKELETAL AND CARDIAC MUSCLES; COMPND 3 CHAIN: C; COMPND 4 FRAGMENT: REGULATORY N DOMAIN (RESIDUES 1-89); COMPND 5 SYNONYM: CARDIAC TROPONIN C, TN-C; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: TROPONIN I, CARDIAC MUSCLE; COMPND 9 CHAIN: I; COMPND 10 FRAGMENT: SWITCH PEPTIDE (RESIDUES 147-163); COMPND 11 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: TNNC; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21-(DE3PLYSS); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET-3A; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 OTHER_DETAILS: THE SEQUENCE OF THE PROTEIN IS NATURALLY FOUND IN SOURCE 14 HOMO SAPIENS. THE PROTEIN WAS CHEMICALLY SYNTHESIZED. KEYWDS MUSCLE, CARDIAC TROPONIN C-DRUG INTERACTION, BEPRIDIL, CARDIAC KEYWDS 2 TROPONIN I-DRUG INTERACTION, METAL BINDING PROTEIN, PROTEIN BINDING EXPDTA SOLUTION NMR NUMMDL 30 AUTHOR X.WANG,M.X.LI,B.D.SYKES REVDAT 3 23-FEB-22 1LXF 1 REMARK LINK REVDAT 2 24-FEB-09 1LXF 1 VERSN REVDAT 1 11-DEC-02 1LXF 0 JRNL AUTH X.WANG,M.X.LI,B.D.SYKES JRNL TITL STRUCTURE OF THE REGULATORY N-DOMAIN OF HUMAN CARDIAC JRNL TITL 2 TROPONIN C IN COMPLEX WITH HUMAN CARDIAC TROPONIN I147-163 JRNL TITL 3 AND BEPRIDIL. JRNL REF J.BIOL.CHEM. V. 277 31124 2002 JRNL REFN ISSN 0021-9258 JRNL PMID 12060657 JRNL DOI 10.1074/JBC.M203896200 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NMRPIPE 2.1, X-PLOR 3.85 REMARK 3 AUTHORS : DELAGLIO, FRANK (NMRPIPE), BRUNGER (X-PLOR) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: A TOTAL OF 1169 NOE RESTRAINTS, 88 REMARK 3 DIHEDRAL ANGLE RESTRAINTS USED FOR THE REFINEMENT OF CNTNC, 30 REMARK 3 NOE RESTRAINTS USED BETWEEN CNTNC AND CTNI147-163, 28 NOE REMARK 3 RESTRAINTS USED BETWEEN CNTNC AND BEPRIDIL, 24 INTRAMOLECULAR REMARK 3 NOE RESTRAINTS AND 12 DIHEDRAL ANGLE RESTRAINTS USED WITHIN REMARK 3 CTNI147-163. REMARK 4 REMARK 4 1LXF COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-JUN-02. REMARK 100 THE DEPOSITION ID IS D_1000016377. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : 6.7 REMARK 210 IONIC STRENGTH : 0.1 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1MM CNTNC, 3MM CTNI147-163, REMARK 210 1.5MM BEPRIDIL, 5MM DTT, 100MM REMARK 210 KCL, 10MM IMDZ, TRACE AMOUNT OF REMARK 210 NAN3, 50UM DSS, 90% H2O, 10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D_15N-SEPARATED_NOESY; 3D_15N REMARK 210 -SEPARATED_DIPSI; HCCH-TOCSY; 3D_ REMARK 210 13C,15N-SEPARATED-NOESY; REMARK 210 CBCACONNH; HNCACB; 2D_13C, 15N- REMARK 210 FILTERED NOESY; 2D_13C, 15N- REMARK 210 FILTERED DIPSI; 3D_13C, 15N- REMARK 210 FILTERED, EDITED NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ; 600 MHZ; 800 MHZ REMARK 210 SPECTROMETER MODEL : UNITY INOVA; UNITYPLUS REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NMRVIEW 5.0.4 REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 30 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 30 REMARK 210 CONFORMERS, SELECTION CRITERIA : ALL CALCULATED STRUCTURES REMARK 210 SUBMITTED 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 LYS C 17 H LYS C 21 1.50 REMARK 500 O LEU C 57 H MET C 60 1.55 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 GLU C 15 -75.59 -70.18 REMARK 500 1 ASP C 33 -91.86 -110.76 REMARK 500 1 ASP C 73 -165.18 -61.22 REMARK 500 1 ASP C 75 -77.35 -87.38 REMARK 500 1 PHE C 77 -74.22 -54.72 REMARK 500 1 ASP C 87 65.59 164.48 REMARK 500 1 ALA I 150 -52.47 83.79 REMARK 500 2 ASP C 2 -44.22 173.89 REMARK 500 2 ASP C 33 -90.24 -118.88 REMARK 500 2 LYS C 43 -74.36 -41.11 REMARK 500 2 ASN C 51 79.97 -114.56 REMARK 500 2 ASP C 73 -172.11 -55.04 REMARK 500 2 ASP C 75 -77.51 -89.24 REMARK 500 3 ASP C 2 -35.58 167.16 REMARK 500 3 GLU C 15 -72.28 -80.21 REMARK 500 3 ALA C 22 -70.68 -40.79 REMARK 500 3 ASP C 33 -81.27 -168.59 REMARK 500 3 ASP C 65 63.46 -67.99 REMARK 500 3 ASP C 73 -170.65 -55.52 REMARK 500 3 ASP C 75 -74.76 -110.72 REMARK 500 3 PHE C 77 -71.48 -59.35 REMARK 500 3 MET C 80 -39.24 -37.50 REMARK 500 3 ASP C 88 130.82 -37.41 REMARK 500 3 ALA I 150 -35.14 164.73 REMARK 500 3 LEU I 157 64.94 -118.59 REMARK 500 3 LEU I 158 64.00 -105.70 REMARK 500 3 ARG I 161 38.20 -146.27 REMARK 500 4 LEU C 12 152.96 -42.98 REMARK 500 4 GLU C 15 -74.72 -58.44 REMARK 500 4 GLU C 19 -39.01 -37.72 REMARK 500 4 ASP C 33 -83.08 -120.18 REMARK 500 4 LEU C 48 43.26 -108.64 REMARK 500 4 ASP C 73 -177.66 -48.96 REMARK 500 4 PHE C 77 -77.37 -37.87 REMARK 500 4 LEU C 78 -72.21 -34.08 REMARK 500 4 ASP C 87 53.45 -157.61 REMARK 500 4 ASP C 88 99.16 -41.76 REMARK 500 4 SER I 149 -70.87 -69.11 REMARK 500 4 ALA I 150 -28.47 157.41 REMARK 500 4 ALA I 160 -50.65 84.22 REMARK 500 4 ARG I 161 -44.86 -162.00 REMARK 500 5 ILE C 4 -31.89 -39.96 REMARK 500 5 GLU C 14 -34.64 -38.69 REMARK 500 5 ASN C 18 -72.69 -62.23 REMARK 500 5 GLU C 19 -30.02 -38.82 REMARK 500 5 ILE C 26 -67.93 -108.48 REMARK 500 5 ASP C 33 -76.45 -129.87 REMARK 500 5 THR C 38 -31.05 -38.82 REMARK 500 5 LEU C 48 -85.27 -96.90 REMARK 500 5 ASP C 75 -82.02 -81.23 REMARK 500 REMARK 500 THIS ENTRY HAS 380 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 93 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL C 64 O REMARK 620 2 ASP C 65 OD1 90.2 REMARK 620 3 ASP C 67 OD1 106.9 108.6 REMARK 620 4 SER C 69 OG 164.1 78.7 66.7 REMARK 620 5 THR C 71 O 109.1 54.2 139.6 73.7 REMARK 620 6 GLU C 76 OE2 78.2 133.2 118.2 117.7 86.9 REMARK 620 7 GLU C 76 OE1 45.8 91.9 147.0 144.8 73.4 48.3 REMARK 620 N 1 2 3 4 5 6 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 93 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEP C 92 DBREF 1LXF C 1 89 UNP P63316 TNNC1_HUMAN 1 89 DBREF 1LXF 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 93 1 HET BEP C 92 61 HETNAM CA CALCIUM ION HETNAM BEP 1-ISOBUTOXY-2-PYRROLIDINO-3[N-BENZYLANILINO] PROPANE HETSYN BEP BEPRIDIL FORMUL 3 CA CA 2+ FORMUL 4 BEP C24 H34 N2 O HELIX 1 1 ASP C 2 LEU C 12 1 11 HELIX 2 2 THR C 13 VAL C 28 1 16 HELIX 3 3 SER C 37 LEU C 48 1 12 HELIX 4 4 THR C 53 ASP C 65 1 13 HELIX 5 5 ASP C 73 LYS C 86 1 14 HELIX 6 6 ALA I 150 LEU I 157 1 8 LINK O VAL C 64 CA CA C 93 1555 1555 3.28 LINK OD1 ASP C 65 CA CA C 93 1555 1555 2.78 LINK OD1 ASP C 67 CA CA C 93 1555 1555 2.72 LINK OG SER C 69 CA CA C 93 1555 1555 2.21 LINK O THR C 71 CA CA C 93 1555 1555 2.79 LINK OE2 GLU C 76 CA CA C 93 1555 1555 2.45 LINK OE1 GLU C 76 CA CA C 93 1555 1555 2.77 SITE 1 AC1 6 VAL C 64 ASP C 65 ASP C 67 SER C 69 SITE 2 AC1 6 THR C 71 GLU C 76 SITE 1 AC2 13 PHE C 27 LEU C 41 MET C 45 LEU C 48 SITE 2 AC2 13 MET C 60 ILE C 61 VAL C 72 PHE C 77 SITE 3 AC2 13 MET C 80 MET C 81 CYS C 84 ILE I 148 SITE 4 AC2 13 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