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3HBT

The structure of native G-actin

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Actinpolymer37541875.61UniProt (P68135)
Pfam (PF00022)
Oryctolagus cuniculus (rabbit)Alpha-actin-1
2B
(A)
SULFATE IONnon-polymer96.11Chemie (SO4)
3C
(A)
CALCIUM IONnon-polymer40.11Chemie (CA)
4D
(A)
ADENOSINE-5'-TRIPHOSPHATEnon-polymer507.21Chemie (ATP)
5E
(A)
waterwater18.061Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight41875.6
Non-Polymers*Number of molecules3
Total formula weight643.3
All*Total formula weight42519.0
*Water molecules are not included.

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PDB entries from 2025-06-11

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