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3O57

Catalytic domain of human phosphodiesterase 4b2b in complex with a 5-heterocycle pyrazolopyridine inhibitor

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
cAMP-specific 3',5'-cyclic phosphodiesterase 4Bpolymer35340583.91UniProt (Q07343)
Pfam (PF00233)
Homo sapiens (human)DPDE4, PDE32
2B
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
3C
(A)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
4D, E, F
(A)
ARSENICnon-polymer74.93Chemie (ARS)
5G
(A)
5-[5-benzyl-4-(2-oxo-2-pyrrolidin-1-ylethyl)-1,3-oxazol-2-yl]-1-ethyl-N-(tetrahydro-2H-pyran-4-yl)-1H-pyrazolo[3,4-b]pyridin-4-aminenon-polymer514.61Chemie (ZG2)
6H
(A)
GLYCEROLnon-polymer92.11Chemie (GOL)
7I
(A)
waterwater18.0297Chemie (HOH)
Sequence modifications
A: 152 - 503 (UniProt: Q07343)
PDBExternal DatabaseDetails
Met 151-initiating methionine
Ala 482Ser 654engineered mutation
Ala 487Ser 659engineered mutation
Ala 489Ser 661engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight40583.9
Non-Polymers*Number of molecules7
Total formula weight921.2
All*Total formula weight41505.1
*Water molecules are not included.

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PDB entries from 2026-02-04

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