Domains and motifs in PDB 1kqmlink ?
Chain A ?
Domain architecture
Legend
 Myosin_N (19-64)   
 Myosin_head (75-705)   
 IQ (721-741)   

The following interactions involve chain A:

Domain/Motif Chain Domain/Motif Chain Interaction
EF-hand_7 (Pfam) C IQ (Pfam) A interaction
EF-hand_7 (Pfam) C Myosin_head (Pfam) A interaction
EF-hand_7 (Pfam) C Myosin_N (Pfam) A interaction
Myosin_N (Pfam) A Myosin_head (Pfam) A interaction
Chain B ?
Domain architecture
Legend
 EF-hand_7 (5-53)   
Chain C ?
Domain architecture
Legend
 EF-hand_7 (82-148)   

The following interactions involve chain C:

Domain/Motif Chain Domain/Motif Chain Interaction
EF-hand_7 (Pfam) C IQ (Pfam) A interaction
EF-hand_7 (Pfam) C Myosin_head (Pfam) A interaction
EF-hand_7 (Pfam) C Myosin_N (Pfam) A interaction