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4WB5

Crystal structure of human cAMP-dependent protein kinase A (catalytic alpha subunit)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
cAMP-dependent protein kinase catalytic subunit alphapolymer35040757.41UniProt (P17612)
Pfam (PF00069)
Homo sapiens (Human)PKA C-alpha
2B
(I)
PKI (5-24)polymer202226.41UniProt (by SIFTS) (P61925)Homo sapiens
3C
(A)
ADENOSINE-5'-TRIPHOSPHATEnon-polymer507.21Chemie (ATP)
4D, E
(A)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
5F, G
(A, I)
waterwater18.0405Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight42983.8
Non-Polymers*Number of molecules3
Total formula weight555.8
All*Total formula weight43539.6
*Water molecules are not included.

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PDB entries from 2025-06-11

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