1dfk

X-ray diffraction
4.2Å resolution

NUCLEOTIDE-FREE SCALLOP MYOSIN S1-NEAR RIGOR STATE

Released:
Source organism: Argopecten irradians
Primary publication:
Three conformational states of scallop myosin S1.
Proc Natl Acad Sci U S A 97 11238-43 (2000)
PMID: 11016966

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-139482 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Myosin heavy chain, striated muscle Chain: A
Molecule details ›
Chain: A
Length: 830 amino acids
Theoretical weight: 94.7 KDa
Source organism: Argopecten irradians
UniProt:
  • Canonical: P24733 (Residues: 6-835; Coverage: 43%)
Sequence domains:
Myosin regulatory light chain, striated adductor muscle Chain: Y
Molecule details ›
Chain: Y
Length: 139 amino acids
Theoretical weight: 15.91 KDa
Source organism: Argopecten irradians
UniProt:
  • Canonical: P13543 (Residues: 13-151; Coverage: 89%)
Sequence domains: EF-hand domain pair
Myosin essential light chain, striated adductor muscle Chain: Z
Molecule details ›
Chain: Z
Length: 152 amino acids
Theoretical weight: 17.17 KDa
Source organism: Argopecten irradians
UniProt:
  • Canonical: P07291 (Residues: 4-155; Coverage: 97%)
Sequence domains: EF-hand domain pair

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CHESS BEAMLINE A1
Spacegroup: P21
Unit cell:
a: 86.5Å b: 52.1Å c: 164.6Å
α: 90° β: 100.3° γ: 90°
R-values:
R R work R free
0.415 0.415 0.41