HEADER STRUCTURAL PROTEIN 04-JUL-25 9PFE TITLE NMR STRUCTURE OF SLOW SKELETAL MYOSIN BINDING PROTEIN-C M-DOMAIN TRI- TITLE 2 HELIX BUNDLE COMPND MOL_ID: 1; COMPND 2 MOLECULE: ISOFORM 4 OF MYOSIN-BINDING PROTEIN C, SLOW-TYPE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SLOW MYBP-C,C-PROTEIN,SKELETAL MUSCLE SLOW ISOFORM; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: THE FIRST METHIONINE IS AN INITIATING METHIONINE THAT COMPND 7 IS NOT PART OF THE NATIVE SMYBP-C SEQUENCE; IT WAS NECESSARY FOR COMPND 8 RECOMBINANT EXPRESSION OF THE PROTEIN. SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: MYBPC1, MYBPCS; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CONTRACTILITY REGULATOR, MYOSIN BINDING-PARTNER, STRUCTURAL PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR A.IYER,N.T.WRIGHT,A.KONTROGIANNI-KONSTANTOPOULOS REVDAT 2 24-JUN-26 9PFE 1 JRNL REVDAT 1 13-MAY-26 9PFE 0 JRNL AUTH A.S.IYER,N.T.WRIGHT,M.E.COOK,Y.TAKAGI,B.A.JOHNSON, JRNL AUTH 2 V.BIANCALANA,M.MASSIER,M.SPODENKIEWICZ,C.POIRSIER, JRNL AUTH 3 B.VALLECILLO,F.CONSTANT BOYER,C.PINEAU,L.HENSLEY, JRNL AUTH 4 J.R.SELLERS,K.M.VARNEY,D.J.WEBER, JRNL AUTH 5 A.KONTROGIANNI-KONSTANTOPOULOS JRNL TITL FROM BEDSIDE TO BENCH: A MULTIMODAL APPROACH UNCOVERING THE JRNL TITL 2 MOLECULAR BASIS OF THE MYBPC1 -LINKED MYOTREM MYOPATHY. JRNL REF PROC.NATL.ACAD.SCI.USA V. 123 97123 2026 JRNL REFN ESSN 1091-6490 JRNL PMID 42224599 JRNL DOI 10.1073/PNAS.2529897123 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR NIH, X-PLOR NIH REMARK 3 AUTHORS : SCHWIETERS, KUSZEWSKI, TJANDRA AND CLORE (X-PLOR REMARK 3 NIH), SCHWIETERS, KUSZEWSKI, TJANDRA AND CLORE (X- REMARK 3 PLOR NIH) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9PFE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-JUL-25. REMARK 100 THE DEPOSITION ID IS D_1000297582. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 289; 289 REMARK 210 PH : 7.5; 7.5 REMARK 210 IONIC STRENGTH : 70; 70 REMARK 210 PRESSURE : 1 ATM; 1 ATM REMARK 210 SAMPLE CONTENTS : 2 MM [U-15N] M-DOMAIN TRI-HELIX REMARK 210 BUNDLE OF SLOW SKELETAL MYBP-C, REMARK 210 20 MM D-11 TRIS, 50 MM SODIUM REMARK 210 CHLORIDE, 350 UM SODIUM AZIDE, REMARK 210 10 % D2O, 90% H2O/10% D2O; 2 MM REMARK 210 [U-13C; U-15N] M-DOMAIN TRI- REMARK 210 HELIX BUNDLE OF SLOW SKELETAL REMARK 210 MYBP-C, 20 MM D-11 TRIS, 50 MM REMARK 210 SODIUM CHLORIDE, 350 UM SODIUM REMARK 210 AZIDE, 10 % D20, 90% H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 3D CBCA(CO)NH; REMARK 210 3D HNCACB; 3D HNCO; 3D H(CCO)NH; REMARK 210 3D C(CO)NH; 3D 1H-15N NOESY; 3D REMARK 210 1H-13C NOESY; 3D 1H-15N TOCSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NMRFAM-SPARKY, PINE REMARK 210 METHOD USED : DGSA-DISTANCE GEOMETRY SIMULATED REMARK 210 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 LYS A 243 159.74 -48.60 REMARK 500 1 PRO A 244 -11.84 -48.78 REMARK 500 1 LEU A 259 -10.17 -49.50 REMARK 500 1 ARG A 268 -78.13 -51.53 REMARK 500 1 GLU A 272 -99.59 -68.03 REMARK 500 1 GLU A 273 -113.91 -78.29 REMARK 500 2 LYS A 243 177.91 -55.85 REMARK 500 2 PRO A 244 1.22 -69.46 REMARK 500 2 TYR A 247 -32.63 -33.65 REMARK 500 2 LEU A 259 -8.68 -45.60 REMARK 500 2 ARG A 270 3.35 -64.07 REMARK 500 2 GLU A 272 -109.52 -73.25 REMARK 500 2 GLU A 273 -123.05 -114.88 REMARK 500 3 PRO A 244 -9.40 -44.47 REMARK 500 3 LEU A 259 -5.04 -49.15 REMARK 500 3 GLU A 272 -116.37 -65.56 REMARK 500 3 GLU A 273 -93.95 -134.17 REMARK 500 4 PRO A 244 -6.95 -47.11 REMARK 500 4 LEU A 259 -20.44 -39.91 REMARK 500 4 GLU A 272 -119.96 -65.90 REMARK 500 4 GLU A 273 -96.70 -109.38 REMARK 500 5 PRO A 244 -13.46 -44.99 REMARK 500 5 LEU A 259 -4.41 -50.15 REMARK 500 5 GLU A 272 -97.98 -83.26 REMARK 500 5 GLU A 273 -152.63 -100.05 REMARK 500 6 PRO A 244 -11.78 -44.01 REMARK 500 6 LEU A 259 -18.28 -41.59 REMARK 500 6 GLU A 272 -98.90 -67.04 REMARK 500 6 GLU A 273 -91.31 -98.25 REMARK 500 7 PRO A 244 -8.71 -45.41 REMARK 500 7 LEU A 266 -70.73 -72.93 REMARK 500 7 LYS A 267 -31.18 -38.71 REMARK 500 7 GLU A 272 -96.49 -70.18 REMARK 500 7 GLU A 273 -102.58 -116.43 REMARK 500 8 PRO A 244 -12.89 -43.89 REMARK 500 8 LEU A 259 -13.12 -44.88 REMARK 500 8 GLU A 272 -97.33 -66.63 REMARK 500 8 GLU A 273 -129.04 -116.07 REMARK 500 9 PRO A 244 -10.48 -45.24 REMARK 500 9 LEU A 259 -13.89 -42.69 REMARK 500 9 GLU A 272 -97.90 -74.94 REMARK 500 9 GLU A 273 -95.62 -106.13 REMARK 500 10 PRO A 244 -11.47 -44.98 REMARK 500 10 TYR A 247 -36.93 -38.18 REMARK 500 10 ARG A 268 -75.78 -52.89 REMARK 500 10 GLU A 272 -116.21 -63.71 REMARK 500 10 GLU A 273 -153.80 -125.55 REMARK 500 11 PRO A 244 -6.36 -46.75 REMARK 500 11 TYR A 247 -30.27 -35.56 REMARK 500 11 LEU A 259 -13.49 -45.67 REMARK 500 REMARK 500 THIS ENTRY HAS 94 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 260 0.27 SIDE CHAIN REMARK 500 1 ARG A 265 0.10 SIDE CHAIN REMARK 500 1 ARG A 268 0.31 SIDE CHAIN REMARK 500 1 ARG A 270 0.10 SIDE CHAIN REMARK 500 2 ARG A 260 0.25 SIDE CHAIN REMARK 500 2 ARG A 265 0.30 SIDE CHAIN REMARK 500 2 ARG A 268 0.30 SIDE CHAIN REMARK 500 2 ARG A 270 0.28 SIDE CHAIN REMARK 500 2 ARG A 271 0.30 SIDE CHAIN REMARK 500 3 ARG A 265 0.08 SIDE CHAIN REMARK 500 3 ARG A 268 0.26 SIDE CHAIN REMARK 500 3 ARG A 270 0.08 SIDE CHAIN REMARK 500 3 ARG A 271 0.27 SIDE CHAIN REMARK 500 4 ARG A 260 0.27 SIDE CHAIN REMARK 500 4 ARG A 268 0.18 SIDE CHAIN REMARK 500 4 ARG A 270 0.28 SIDE CHAIN REMARK 500 5 ARG A 260 0.10 SIDE CHAIN REMARK 500 5 ARG A 265 0.25 SIDE CHAIN REMARK 500 5 ARG A 268 0.22 SIDE CHAIN REMARK 500 5 ARG A 270 0.30 SIDE CHAIN REMARK 500 5 ARG A 271 0.31 SIDE CHAIN REMARK 500 6 ARG A 260 0.29 SIDE CHAIN REMARK 500 6 ARG A 265 0.23 SIDE CHAIN REMARK 500 6 ARG A 268 0.29 SIDE CHAIN REMARK 500 6 ARG A 270 0.09 SIDE CHAIN REMARK 500 6 ARG A 271 0.10 SIDE CHAIN REMARK 500 7 ARG A 260 0.30 SIDE CHAIN REMARK 500 7 ARG A 265 0.20 SIDE CHAIN REMARK 500 7 ARG A 270 0.31 SIDE CHAIN REMARK 500 8 ARG A 260 0.13 SIDE CHAIN REMARK 500 8 ARG A 265 0.31 SIDE CHAIN REMARK 500 8 ARG A 268 0.31 SIDE CHAIN REMARK 500 8 ARG A 270 0.30 SIDE CHAIN REMARK 500 8 ARG A 271 0.26 SIDE CHAIN REMARK 500 9 ARG A 260 0.31 SIDE CHAIN REMARK 500 9 ARG A 265 0.28 SIDE CHAIN REMARK 500 9 ARG A 268 0.28 SIDE CHAIN REMARK 500 9 ARG A 270 0.14 SIDE CHAIN REMARK 500 9 ARG A 271 0.24 SIDE CHAIN REMARK 500 10 ARG A 265 0.24 SIDE CHAIN REMARK 500 10 ARG A 268 0.14 SIDE CHAIN REMARK 500 10 ARG A 270 0.08 SIDE CHAIN REMARK 500 10 ARG A 271 0.31 SIDE CHAIN REMARK 500 11 ARG A 265 0.30 SIDE CHAIN REMARK 500 11 ARG A 268 0.28 SIDE CHAIN REMARK 500 11 ARG A 270 0.25 SIDE CHAIN REMARK 500 11 ARG A 271 0.31 SIDE CHAIN REMARK 500 12 ARG A 260 0.18 SIDE CHAIN REMARK 500 12 ARG A 265 0.23 SIDE CHAIN REMARK 500 12 ARG A 268 0.25 SIDE CHAIN REMARK 500 REMARK 500 THIS ENTRY HAS 85 PLANE DEVIATIONS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 31260 RELATED DB: BMRB REMARK 900 NMR STRUCTURE OF SLOW SKELETAL MYOSIN BINDING PROTEIN-C M-DOMAIN REMARK 900 TRI-HELIX BUNDLE DBREF 9PFE A 231 274 UNP Q00872 MYPC1_HUMAN 231 274 SEQADV 9PFE MET A 0 UNP Q00872 INITIATING METHIONINE SEQRES 1 A 45 MET PRO GLN VAL ASP VAL TRP GLU LEU LEU LYS ASN ALA SEQRES 2 A 45 LYS PRO SER GLU TYR GLU LYS ILE ALA PHE GLN TYR GLY SEQRES 3 A 45 ILE THR ASP LEU ARG GLY MET LEU LYS ARG LEU LYS ARG SEQRES 4 A 45 MET ARG ARG GLU GLU LYS HELIX 1 AA1 VAL A 233 ASN A 241 1 9 HELIX 2 AA2 GLU A 246 TYR A 254 1 9 HELIX 3 AA3 ASP A 258 ARG A 271 1 14 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 ENDMDL MODEL 2 ENDMDL MODEL 3 ENDMDL MODEL 4 ENDMDL MODEL 5 ENDMDL MODEL 6 ENDMDL MODEL 7 ENDMDL MODEL 8 ENDMDL MODEL 9 ENDMDL MODEL 10 ENDMDL MODEL 11 ENDMDL MODEL 12 ENDMDL MODEL 13 ENDMDL MODEL 14 ENDMDL MODEL 15 ENDMDL MODEL 16 ENDMDL MODEL 17 ENDMDL MODEL 18 ENDMDL MODEL 19 ENDMDL MODEL 20 ENDMDL MASTER 231 0 0 3 0 0 0 6 385 1 0 4 END