Literature summary for 2.7.11.22 extracted from

Brana, M.F.; Cacho, M.; Garcia, M.L.; Mayoral, E.P.; Lopez, B.; de Pascual-Teresa, B.; Ramos, A.; Acero, N.; Llinares, F.; Munoz-Mingarro, D.; Lozach, O.; Meijer, L.
Pyrazolo[3,4-c]pyridazines as novel and selective inhibitors of cyclin-dependent kinases (2005), J. Med. Chem., 48, 6843-6854.

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Crystallization (Commentary)

Crystallization (Comment)	Organism
molecular modeling of CDK2-cyclin A crystal structure, PDB code 1hck, with bound pyrazolo[3,4-c]pyridazine inhibitors	Homo sapiens

Inhibitors

Inhibitors	Comment	Organism
(4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazin-3-yl)hydrazine trihydrochloride	-	Homo sapiens
(4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazin-3-yl)hydrazine trihydrochloride	-	Marthasterias glacialis
1,2-di(2-pyridyl)-1H-pyrazolo[3,4-c]pyridazine	-	Homo sapiens
1,2-di(2-pyridyl)-1H-pyrazolo[3,4-c]pyridazine	-	Marthasterias glacialis
1,2-dimethyl-1H-pyrazolo[3,4-c]pyridazine	-	Homo sapiens
1,2-dimethyl-1H-pyrazolo[3,4-c]pyridazine	-	Marthasterias glacialis
1-(4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazin-3-yl)-3-ethylurea	-	Homo sapiens
1-(4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazin-3-yl)-3-ethylurea	-	Marthasterias glacialis
1-(4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazin-3-yl)-3-phenylurea	-	Homo sapiens
1-(4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazin-3-yl)-3-phenylurea	-	Marthasterias glacialis
1-acetyl-3-amino-4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazine	-	Homo sapiens
1-acetyl-3-amino-4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazine	-	Marthasterias glacialis
1-amino-3H-dibenzo[f,h]pyrazolo[3,4-c]cinnoline	-	Homo sapiens
1-amino-3H-dibenzo[f,h]pyrazolo[3,4-c]cinnoline	-	Marthasterias glacialis
2-[(3-amino-4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazin-1-yl)methoxy]ethanol	-	Homo sapiens
2-[(3-amino-4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazin-1-yl)methoxy]ethanol	-	Marthasterias glacialis
2-[2-(3-amino-4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazin-1-yl)ethoxy]ethanol	-	Homo sapiens
2-[2-(3-amino-4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazin-1-yl)ethoxy]ethanol	-	Marthasterias glacialis
3-acetamide-1-acetyl-4,5-diphenyl-1H-pyrazolo[3,4-c]-pyridazine	-	Homo sapiens
3-acetamide-1-acetyl-4,5-diphenyl-1H-pyrazolo[3,4-c]-pyridazine	-	Marthasterias glacialis
3-acetamide-4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazine	-	Homo sapiens
3-acetamide-4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazine	-	Marthasterias glacialis
3-amino-1-benzyl-4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazine	-	Homo sapiens
3-amino-1-benzyl-4,5-diphenyl-1H-pyrazolo[3,4-c]pyridazine	-	Marthasterias glacialis
3-amino-4,5-bis(p-aminophenyl)-1H-pyrazolo[3,4-c]-pyridazine	-	Homo sapiens
3-amino-4,5-bis(p-aminophenyl)-1H-pyrazolo[3,4-c]-pyridazine	-	Marthasterias glacialis
3-amino-4,5-bis(p-methoxyphenyl)-1H-pyrazolo[3,4-c]-pyridazine	-	Homo sapiens
3-amino-4,5-bis(p-methoxyphenyl)-1H-pyrazolo[3,4-c]-pyridazine	-	Marthasterias glacialis
3-amino-4,5-bis(p-nitrophenyl)-1H-pyrazolo[3,4-c]pyridazine	-	Homo sapiens
3-amino-4,5-bis(p-nitrophenyl)-1H-pyrazolo[3,4-c]pyridazine	-	Marthasterias glacialis
3-amino-4,5-bis(p-tert-butylphenyl)-1H-pyrazolo[3,4-c]-pyridazine	-	Homo sapiens
3-amino-4,5-bis(p-tert-butylphenyl)-1H-pyrazolo[3,4-c]-pyridazine	-	Marthasterias glacialis
3-amino-4,5-bis(p-trifluoromethylphenyl)-1H-pyrazolo-[3,4-c]pyridazine	-	Homo sapiens
3-amino-4,5-bis(p-trifluoromethylphenyl)-1H-pyrazolo-[3,4-c]pyridazine	-	Marthasterias glacialis
3-amino-4,5-di(2-furyl)-1H-pyrazolo[3,4-c]pyridazine	-	Homo sapiens
3-amino-4,5-di(2-furyl)-1H-pyrazolo[3,4-c]pyridazine	-	Marthasterias glacialis
3-amino-4-phenyl-1H-pyrazolo[3,4-c]pyridazine	-	Homo sapiens
3-amino-4-phenyl-1H-pyrazolo[3,4-c]pyridazine	-	Marthasterias glacialis
3-amino-5-(2-furyl)-1H-pyrazolo[3,4-c]pyridazine	-	Homo sapiens
3-amino-5-(2-furyl)-1H-pyrazolo[3,4-c]pyridazine	-	Marthasterias glacialis
3-amino-5-methyl-4-phenyl-1H-pyrazolo[3,4-c]pyridazine	-	Homo sapiens
3-amino-5-methyl-4-phenyl-1H-pyrazolo[3,4-c]pyridazine	-	Marthasterias glacialis
3-amino-5-phenyl-1H-pyrazolo[3,4-c]pyridazine	-	Homo sapiens
3-amino-5-phenyl-1H-pyrazolo[3,4-c]pyridazine	-	Marthasterias glacialis
additional information	cell toxicity of the pyrazolo[3,4-c]pyridazine inhibitors on HeLa cells, overview, molecular modeling and analysis of binding structure of inhibitors to CDK2 using the CDK2 crystal structure, PDB code 1hck, modeling of ligand docking to the CDK2 structure, overview	Homo sapiens
additional information	IC50 values for CDK1-cyclin B with pyrazolo[3,4-c]pyridazine inhibitors, overview	Marthasterias glacialis
pyrazolopyridazine	-	Homo sapiens
pyrazolopyridazine	-	Marthasterias glacialis

Metals/Ions

Metals/Ions	Comment	Organism	Structure
Mg2+	-	Marthasterias glacialis
Mg2+	-	Homo sapiens

Organism

Organism	UniProt	Comment	Textmining
Homo sapiens	P24941	-	-
Marthasterias glacialis	-	-	-

Purification (Commentary)

Purification (Comment)	Organism
native CDK1-cyclin B from cell homogenates by p9CKShs1 affinity chromatography	Marthasterias glacialis

Source Tissue

Source Tissue	Comment	Organism	Textmining
oocyte	-	Marthasterias glacialis	-

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
ATP + histone H1	-	Marthasterias glacialis	ADP + phosphorylated histone H1	-	?
ATP + histone H1	-	Homo sapiens	ADP + phosphorylated histone H1	-	?

Synonyms

Synonyms	Comment	Organism
Cdk1	-	Marthasterias glacialis
CDK2	-	Homo sapiens

Temperature Optimum [°C]

Temperature Optimum [°C]	Temperature Optimum Maximum [°C]	Comment	Organism
30	-	assay at	Marthasterias glacialis
37	-	in vitro cytotoxicity assay at	Homo sapiens

pH Optimum

pH Optimum Minimum	pH Optimum Maximum	Comment	Organism
7.4	-	in vitro cytotoxicity assay at	Homo sapiens
7.5	-	assay at	Marthasterias glacialis

Cofactor

Cofactor	Comment	Organism
ATP	-	Marthasterias glacialis
ATP	-	Homo sapiens
cyclin A	regulatory subunit of Cdk2	Homo sapiens
cyclin B	regulatory subunit of CDK1	Marthasterias glacialis