PDBe 1kwo

X-ray diffraction
3.8Å resolution

SCALLOP MYOSIN S1-ATPgammaS-p-PDM IN THE ACTIN-DETACHED CONFORMATION

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Myosin heavy chain, striated muscle Chain: A
Molecule details ›
Chain: A
Length: 835 amino acids
Theoretical weight: 95.32 KDa
Source organism: Argopecten irradians
UniProt:
  • Canonical: P24733 (Residues: 1-835; Coverage: 43%)
Sequence domains:
Myosin essential light chain, striated adductor muscle Chain: C
Molecule details ›
Chain: C
Length: 156 amino acids
Theoretical weight: 17.64 KDa
Source organism: Argopecten irradians
UniProt:
  • Canonical: P07291 (Residues: 2-157; Coverage: 99%)
Sequence domains: EF-hand domain pair
Structure domains: EF-hand
Myosin regulatory light chain, striated adductor muscle Chain: B
Molecule details ›
Chain: B
Length: 156 amino acids
Theoretical weight: 17.56 KDa
Source organism: Argopecten irradians
UniProt:
  • Canonical: P13543 (Residues: 2-157; Coverage: 99%)
Sequence domains: EF-hand domain
Structure domains: EF-hand

Ligands and Environments


No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X12C
Spacegroup: P1
Unit cell:
a: 51.816Å b: 57.028Å c: 151.708Å
α: 95.16° β: 96.45° γ: 100.93°
R-values:
R R work R free
0.242 0.238 0.328