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1KQM

SCALLOP MYOSIN S1-AMPPNP IN THE ACTIN-DETACHED CONFORMATION

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
MYOSIN heavy chainpolymer83595317.41UniProt (P24733)Argopecten irradians
2B
(B)
MYOSIN REGULATORY LIGHT CHAINpolymer15617560.91UniProt (P13543)Argopecten irradiansR-LC
3C
(C)
MYOSIN ESSENTIAL LIGHT CHAINpolymer15617635.61UniProt (P07291)Argopecten irradiansE-LC
4D, F
(A, B)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
PubChem (888)
5E
(A)
PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTERnon-polymer506.21Chemie (ANP)
6G
(C)
CALCIUM IONnon-polymer40.11Chemie (CA)
PubChem (271)
7H, I, J
(A, B, C)
waterwater18.07Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight130513.9
Non-Polymers*Number of molecules4
Total formula weight594.9
All*Total formula weight131108.8
*Water molecules are not included.

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PDB entries from 2026-04-01

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