8TUC: Unphosphorylated CaMKK2

Unphosphorylated CaMKK2 in complex with CC-8977. Determined by X-ray diffraction at 1.5 Å resolution. Released 13 Dec 2023.

Method: X-ray diffraction
Resolution: 1.5 Å
Organism: Homo sapiens
Chains: 1
Atoms: 2,614
Mol. weight: 34 kDa
Ligands: O7I
Released: 13 Dec 2023

Explore 8TUC in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8TUC contains 16 α-helices and 14 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 16 helices, 14 β-strands

Element	Residues	Length	Sheet
β-strand	160-162	3	1
β-strand	165-172	8	1
β-strand	178-184	7	1
β-strand	189-197	9	1
α-helix	198-204	7
α-helix	224-226	3
α-helix	231-242	12
β-strand	248	1	2
β-strand	251-255	5	1
β-strand	262-268	7	1
β-strand	273-274	2	2
α-helix	283-285	3
α-helix	286-305	20
β-strand	308-309	2	3
α-helix	315-317	3
β-strand	318-320	3	2
α-helix	321	1
β-strand	326-328	3	2
β-strand	335-336	2	3
β-strand	343-344	2	4
α-helix	351-353	3
α-helix	356-358	3
β-strand	366-367	2	4
α-helix	368-385	18
α-helix	395-404	10
α-helix	405-407	3
α-helix	417-426	10
α-helix	435-436	2
α-helix	437-440	4
α-helix	444-447	4

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Calcium/calmodulin-dependent protein kinase kinase 2	A	protein	291	Homo sapiens	Q96RR4 (AlphaFold model)

Sequence of entity 1 (A), FASTA

>8TUC_1 Calcium/calmodulin-dependent protein kinase kinase 2 (chains A)
SMQLNQYTLKDEIGKGSYGVVKLAYNENDNTYYAMKVLSKKKLIRQAGFPRRPPPRGTRP
APGGCIQPRGPIEQVYQEIAILKKLDHPNVVKLVEVLDDPNEDHLYMVFELVNQGPVMEV
PTLKPLSEDQARFYFQDLIKGIEYLHYQKIIHRDIKPSNLLVGEDGHIKIADFGVSNEFK
GSDALLSNTVGTPAFMAPESLSETRKIFSGKALDVWAMGVTLYCFVFGQCPFMDERIMCL
HSKIKSQALEFPDQPDIAEDLKDLITRMLDKNPESRIVVPEIKLHPWVTRH

Ligands and cofactors

ID	Name	Formula	Copies
O7I	(4M)-2-cyclopentyl-4-(7-ethoxyquinazolin-4-yl)benzoic acid	C22 H22 N2 O3	1

Water and common crystallization additives (SO4, EDO) are not listed.

Primary citation

Identification of Small Molecule Inhibitors and Ligand Directed Degraders of Calcium/Calmodulin Dependent Protein Kinase Kinase 1 and 2 (CaMKK1/2). Chen, Y., Whitefield, B., Nevius, E. et al. J Med Chem (2023) 66:15750-15760. DOI 10.1021/acs.jmedchem.3c01137 · PubMed

Other PDB entries of the same protein (UniProt Q96RR4 (AlphaFold model), which also has an AlphaFold model), best resolution first:

6Y3O 1.5 Å, 14-3-3 Sigma in complex with phosphorylated CAMKK2 peptide
6Y8A 1.5 Å, 14-3-3 Sigma in complex with phosphorylated camkk2{pS511} peptide
5UYJ 1.6 Å, Crystal Structure of the Human CAMKK2B
5UY6 1.7 Å, Crystal Structure of the Human CAMKK2B
6BQQ 1.8 Å, Crystal Structure of the Human CAMKK2B in complex with BI2526
5VT1 1.9 Å, Crystal Structure of the Human CAMKK2B bound to a thiadiazinone benzamide inhibitor
6BLE 1.9 Å, Crystal Structure of the Human CAMKK2B in complex with CP673451
5YV8 1.93 Å, Structure of CaMKK2 in complex with CKI-002
6BQP 1.95 Å, Crystal Structure of the Human CAMKK2B in complex with Crenolanib
6BKU 2.0 Å, Crystal Structure of the Human CAMKK2B bound to GSK650394
6BQL 2.0 Å, Crystal Structure of the Human CAMKK2B in complex with TAE-226
5YVB 2.02 Å, Structure of CaMKK2 in complex with CKI-011

Browse structure collections

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