HEADER CONTRACTILE PROTEIN 20-FEB-15 2MZP TITLE STRUCTURE AND DYNAMICS OF THE ACIDOSIS-RESISTANT A162H MUTANT OF THE TITLE 2 SWITCH REGION OF TROPONIN I BOUND TO THE REGULATORY DOMAIN OF TITLE 3 TROPONIN C COMPND MOL_ID: 1; COMPND 2 MOLECULE: TROPONIN C, SLOW SKELETAL AND CARDIAC MUSCLES; COMPND 3 CHAIN: C; COMPND 4 FRAGMENT: UNP RESIDUES 1-89; COMPND 5 SYNONYM: 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: UNP RESIDUES 145-171; COMPND 11 SYNONYM: CARDIAC TROPONIN I; COMPND 12 ENGINEERED: YES; COMPND 13 MUTATION: 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-CNTNC; 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 CONTRACTION REGULATION, CONTRACTION ENHANCENMENT, TROPONIN, ACIDOSIS, KEYWDS 2 CA2+ BINDING, CONTRACTILE PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR S.E.PINEDA SANABRIA,I.M.ROBERTSON,B.D.SYKES REVDAT 3 14-JUN-23 2MZP 1 REMARK SEQADV LINK REVDAT 2 01-JUL-15 2MZP 1 JRNL REVDAT 1 03-JUN-15 2MZP 0 JRNL AUTH S.E.PINEDA-SANABRIA,I.M.ROBERTSON,B.D.SYKES JRNL TITL STRUCTURE AND DYNAMICS OF THE ACIDOSIS-RESISTANT A162H JRNL TITL 2 MUTANT OF THE SWITCH REGION OF TROPONIN I BOUND TO THE JRNL TITL 3 REGULATORY DOMAIN OF TROPONIN C. JRNL REF BIOCHEMISTRY V. 54 3583 2015 JRNL REFN ISSN 0006-2960 JRNL PMID 25996354 JRNL DOI 10.1021/ACS.BIOCHEM.5B00178 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : VNMRJ, X-PLOR NIH 2.35 REMARK 3 AUTHORS : VARIAN (VNMRJ), SCHWIETERS, KUSZEWSKI, TJANDRA AND REMARK 3 CLORE (X-PLOR NIH) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2MZP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-FEB-15. REMARK 100 THE DEPOSITION ID IS D_1000104238. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : 6.1 REMARK 210 IONIC STRENGTH : 0.12 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 0.8-1 MM [U-15N] CNTNC, 3.2-4 MM REMARK 210 CTNIA162H, 10 MM CALCIUM, 10 MM REMARK 210 IMIDAZOLE, 0.25 MM [U-2H] DSS, REMARK 210 10 MM DTT, 100 MM POTASSIUM REMARK 210 CHLORIDE, 95% H2O/5% D2O; 0.8-1 REMARK 210 MM [U-13C; U-15N] CNTNC, 3.2-4 REMARK 210 MM CTNIA162H, 10 MM CALCIUM, 10 REMARK 210 MM IMIDAZOLE, 0.25 MM [U-2H] DSS, REMARK 210 10 MM DTT, 100 MM POTASSIUM REMARK 210 CHLORIDE, 95% H2O/5% D2O; 0.8-1 REMARK 210 MM [U-13C; U-15N] CNTNC, 3.2-4 REMARK 210 MM CTNIA162H, 10 MM CALCIUM, 10 REMARK 210 MM IMIDAZOLE, 0.25 MM [U-2H] DSS, REMARK 210 10 MM DTT, 100 MM POTASSIUM REMARK 210 CHLORIDE, 100% D2O; 0.8-1 MM [U- REMARK 210 15N] CNTNC, 3.2-4 MM CTNIA162H, REMARK 210 10 MM CALCIUM, 10 MM IMIDAZOLE, REMARK 210 0.25 MM [U-2H] DSS, 10 MM DTT, REMARK 210 100 MM POTASSIUM CHLORIDE, 100% REMARK 210 D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 3D HNCACB; 3D REMARK 210 CBCA(CO)NH; 2D 1H-13C HSQC; 3D REMARK 210 H(CCO)NH; 3D C(CO)NH; 3D HNHA; REMARK 210 3D 1H-15N NOESY; 3D 1H-13C NOESY REMARK 210 ALIPHATIC; 2D DQF-COSY; 2D 1H-1H REMARK 210 NOESY; 2D 1H-1H COSY; 13C-15N REMARK 210 FILTERED TOCSY; 13C-15N FILTERED REMARK 210 NOESY; CHMQCNOESY-CFILT REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ; 600 MHZ; 800 MHZ REMARK 210 SPECTROMETER MODEL : INOVA REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NMRPIPE, NMRDRAW, NMRVIEWJ REMARK 210 8.2.33, X-PLOR NIH 2.35, PSVS 1.5 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1190 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9020 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 KCAL/MOL 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 ILE C 61 H ASP C 65 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 ASP C 2 2.02 -60.86 REMARK 500 1 VAL C 28 20.38 -78.23 REMARK 500 1 SER C 37 -168.63 -122.16 REMARK 500 1 PRO C 52 -167.38 -72.36 REMARK 500 1 ASP C 87 -27.65 -38.85 REMARK 500 1 ILE I 148 76.45 47.92 REMARK 500 1 ALA I 150 -25.64 162.16 REMARK 500 1 LEU I 158 -78.10 -59.01 REMARK 500 1 HIS I 162 24.09 46.29 REMARK 500 1 LYS I 163 -134.46 52.90 REMARK 500 1 LEU I 166 -69.69 -106.01 REMARK 500 2 SER C 37 -166.17 -123.32 REMARK 500 2 ASP C 87 110.55 -39.64 REMARK 500 2 LEU I 166 144.92 71.45 REMARK 500 3 VAL C 28 34.44 -94.42 REMARK 500 3 LEU C 29 80.28 -38.32 REMARK 500 3 SER C 37 -169.20 -123.96 REMARK 500 3 ASP C 88 71.80 -104.78 REMARK 500 3 SER I 149 168.66 44.81 REMARK 500 3 ALA I 160 -127.30 47.53 REMARK 500 3 LEU I 166 126.18 59.59 REMARK 500 3 LEU I 168 73.77 41.38 REMARK 500 4 LEU C 29 -9.03 -55.38 REMARK 500 4 SER C 37 -166.13 -114.05 REMARK 500 4 PRO C 52 -168.07 -76.67 REMARK 500 4 ASP C 88 71.22 -111.54 REMARK 500 4 LEU I 158 57.88 -103.40 REMARK 500 4 HIS I 162 25.71 -153.46 REMARK 500 4 GLU I 164 84.95 -150.17 REMARK 500 4 LEU I 166 -88.65 33.96 REMARK 500 5 PRO C 52 -167.94 -76.88 REMARK 500 5 ASP C 87 -172.43 64.05 REMARK 500 5 ASP C 88 72.87 -119.90 REMARK 500 5 VAL I 146 73.53 44.71 REMARK 500 5 LEU I 158 -107.41 39.38 REMARK 500 5 SER I 165 55.47 -105.62 REMARK 500 5 LEU I 166 -6.63 -51.62 REMARK 500 5 ARG I 169 -109.81 39.68 REMARK 500 6 LEU C 12 170.69 -50.24 REMARK 500 6 ASP C 87 -102.50 47.96 REMARK 500 6 ASP C 88 71.41 -64.93 REMARK 500 6 ARG I 145 -67.32 62.95 REMARK 500 6 ARG I 147 -99.39 -75.56 REMARK 500 6 LEU I 157 -150.10 -130.89 REMARK 500 6 LEU I 158 -88.50 50.68 REMARK 500 6 GLU I 164 126.95 -39.90 REMARK 500 7 LEU C 12 147.71 -39.58 REMARK 500 7 ASP C 73 -167.52 -106.83 REMARK 500 7 ASP C 88 72.00 -119.74 REMARK 500 7 SER I 149 -138.74 39.44 REMARK 500 REMARK 500 THIS ENTRY HAS 182 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 101 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP C 65 OD1 REMARK 620 2 ASP C 65 OD2 51.6 REMARK 620 3 ASP C 67 OD2 74.9 64.0 REMARK 620 4 ASP C 67 OD1 55.7 87.2 48.1 REMARK 620 5 SER C 69 OG 107.2 58.3 59.1 107.1 REMARK 620 6 THR C 71 O 114.3 84.1 130.9 169.8 72.7 REMARK 620 7 GLU C 76 OE2 105.1 156.7 115.0 77.7 143.3 108.7 REMARK 620 8 GLU C 76 OE1 95.9 120.3 164.3 116.3 136.6 64.3 54.4 REMARK 620 N 1 2 3 4 5 6 7 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 101 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 25495 RELATED DB: BMRB DBREF 2MZP C 1 89 UNP P63316 TNNC1_HUMAN 1 89 DBREF 2MZP I 144 170 UNP P19429 TNNI3_HUMAN 145 171 SEQADV 2MZP HIS I 162 UNP P19429 ALA 163 ENGINEERED MUTATION 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 27 ARG ARG VAL ARG ILE SER ALA ASP ALA MET MET GLN ALA SEQRES 2 I 27 LEU LEU GLY ALA ARG HIS LYS GLU SER LEU ASP LEU ARG SEQRES 3 I 27 ALA HET CA C 101 1 HETNAM CA CALCIUM ION FORMUL 3 CA CA 2+ 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 LEU C 29 ALA C 31 5 3 HELIX 4 4 SER C 37 GLY C 49 1 13 HELIX 5 5 THR C 53 ASP C 65 1 13 HELIX 6 6 ASP C 73 ASP C 87 1 15 HELIX 7 7 ALA I 150 LEU I 157 1 8 LINK OD1 ASP C 65 CA CA C 101 1555 1555 2.09 LINK OD2 ASP C 65 CA CA C 101 1555 1555 2.70 LINK OD2 ASP C 67 CA CA C 101 1555 1555 2.31 LINK OD1 ASP C 67 CA CA C 101 1555 1555 2.84 LINK OG SER C 69 CA CA C 101 1555 1555 2.71 LINK O THR C 71 CA CA C 101 1555 1555 2.88 LINK OE2 GLU C 76 CA CA C 101 1555 1555 2.15 LINK OE1 GLU C 76 CA CA C 101 1555 1555 2.51 SITE 1 AC1 5 ASP C 65 ASP C 67 SER C 69 THR C 71 SITE 2 AC1 5 GLU C 76 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