Function and Biology

Structure of nucleotide-free scallop myosin S1

Source organism: Argopecten irradians
Biochemical function: calcium ion binding
Biological process: not assigned
Cellular component: myosin complex

GO terms

Biochemical function:
Biological process:
  • not assigned
Cellular component:

Sequence families

Pfam Protein families (Pfam)
PF02736
Domain description: Myosin N-terminal SH3-like domain
Occurring in:
  1. Myosin heavy chain, striated muscle
1 copy of Pfam domain PF02736 (Myosin N-terminal SH3-like domain) in Myosin heavy chain, striated muscle in PDB 1sr6.

PF00063
Domain description: Myosin head (motor domain)
Occurring in:
  1. Myosin heavy chain, striated muscle
1 copy of Pfam domain PF00063 (Myosin head (motor domain)) in Myosin heavy chain, striated muscle in PDB 1sr6.

PF13499
Domain description: EF-hand domain pair
Occurring in:
  1. Myosin essential light chain, striated adductor muscle
1 copy of Pfam domain PF13499 (EF-hand domain pair) in Myosin essential light chain, striated adductor muscle in PDB 1sr6.

PF13405
Domain description: EF-hand domain
Occurring in:
  1. Myosin regulatory light chain, striated adductor muscle
1 copy of Pfam domain PF13405 (EF-hand domain) in Myosin regulatory light chain, striated adductor muscle in PDB 1sr6.

InterPro InterPro annotations
IPR001609
Domain description: Myosin head, motor domain
Occurring in:
  1. Myosin heavy chain, striated muscle
IPR000048
Domain description: IQ motif, EF-hand binding site
Occurring in:
  1. Myosin heavy chain, striated muscle
IPR027417
Domain description: P-loop containing nucleoside triphosphate hydrolase
Occurring in:
  1. Myosin heavy chain, striated muscle
IPR008989
Domain description: Myosin S1 fragment, N-terminal
Occurring in:
  1. Myosin heavy chain, striated muscle
IPR027401
Domain description: Myosin IQ motif-containing domain superfamily
Occurring in:
  1. Myosin heavy chain, striated muscle
IPR036961
Domain description: Kinesin motor domain superfamily
Occurring in:
  1. Myosin heavy chain, striated muscle
IPR029655
Domain description: Myosin light chain Mlc1/alkali
Occurring in:
  1. Myosin essential light chain, striated adductor muscle
IPR004009
Domain description: Myosin, N-terminal, SH3-like
Occurring in:
  1. Myosin heavy chain, striated muscle

Structure domain

CATH CATH domain
1.10.238.10
Class: Mainly Alpha
Architecture: Orthogonal Bundle
Topology: Recoverin; domain 1
Homology: EF-hand
Occurring in:
  1. Myosin regulatory light chain, striated adductor muscle
  2. Myosin essential light chain, striated adductor muscle
2 copies of CATH domain 1.10.238.10 (Recoverin; domain 1) in Myosin regulatory light chain, striated adductor muscle in PDB 1sr6.
4 copies of CATH domain 1.10.238.10 (Recoverin; domain 1) in Myosin essential light chain, striated adductor muscle in PDB 1sr6.
SCOP SCOP annotations
47502
Class: All alpha proteins
Fold: EF Hand-like
Superfamily: EF-hand
Occurring in:
  1. Myosin regulatory light chain, striated adductor muscle
  2. Myosin essential light chain, striated adductor muscle
1 copy of SCOP domain 47502 (Calmodulin-like) in Myosin regulatory light chain, striated adductor muscle in PDB 1sr6.
2 copies of SCOP domain 47502 (Calmodulin-like) in Myosin essential light chain, striated adductor muscle in PDB 1sr6.
52641
Class: Alpha and beta proteins (a/b)
Fold: P-loop containing nucleoside triphosphate hydrolases
Superfamily: P-loop containing nucleoside triphosphate hydrolases
Occurring in:
  1. Myosin heavy chain, striated muscle
1 copy of SCOP domain 52641 (Motor proteins) in Myosin heavy chain, striated muscle in PDB 1sr6.
50085
Class: All beta proteins
Fold: SH3-like barrel
Superfamily: Myosin S1 fragment, N-terminal domain
Occurring in:
  1. Myosin heavy chain, striated muscle
1 copy of SCOP domain 50085 (Myosin S1 fragment, N-terminal domain) in Myosin heavy chain, striated muscle in PDB 1sr6.