2R3I: Cyclin-Dependent Kinase 2 with inhibitor

Crystal Structure of Cyclin-Dependent Kinase 2 with inhibitor. Determined by X-ray diffraction at 1.28 Å resolution. Released 22 Jan 2008.

Method
X-ray diffraction
Resolution
1.28 Å
Organism
Homo sapiens
Chains
1
Atoms
2,805
Mol. weight
34.35 kDa
Ligands
SCF
Released
22 Jan 2008

Explore 2R3I in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2R3I contains 18 α-helices and 11 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: 18 helices, 11 β-strands

ElementResiduesLengthSheet
β-strand4-1291
β-strand17-2371
β-strand29-3461
α-helix46-5510
β-strand6312
β-strand66-7271
β-strand75-8171
β-strand85-8622
α-helix87-937
α-helix101-12020
α-helix130-1323
β-strand133-13532
β-strand141-14332
α-helix148-1525
β-strand15713
α-helix1621
β-strand16313
α-helix164-1652
α-helix171-1744
α-helix183-19816
α-helix208-21912
α-helix230-2323
α-helix243-2475
α-helix248-2514
α-helix257-26610
α-helix275-2762
α-helix277-2815
α-helix284-2863
α-helix292-2943

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Cell division protein kinase 2Aprotein299Homo sapiensP24941 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>2R3I_1 Cell division protein kinase 2 (chains A)
XMENFQKVEKIGEGTYGVVYKARNKLTGEVVALKKIRLDTETEGVPSTAIREISLLKELN
HPNIVKLLDVIHTENKLYLVFEFLHQDLKKFMDASALTGIPLPLIKSYLFQLLQGLAFCH
SHRVLHRDLKPQNLLINTEGAIKLADFGLARAFGVPVRTYTHEVVTLWYRAPEILLGCKY
YSTAVDIWSLGCIFAEMVTRRALFPGDSEIDQLFRIFRTLGTPDEVVWPGVTSMPDYKPS
FPKWARQDFSKVVPPLDEDGRSLLSQMLHYDPNKRISAKAALAHPFFQDVTKPVPHLRL

Ligands and cofactors

IDNameFormulaCopies
SCF5-(2-fluorophenyl)-N-(pyridin-4-ylmethyl)pyrazolo[1,5-a]pyrimidin-7-amineC18 H14 F N51

Primary citation

Structure-guided discovery of cyclin-dependent kinase inhibitors. Fischmann, T.O., Hruza, A., Duca, J.S. et al. Biopolymers (2008) 89:372-379. DOI 10.1002/bip.20868 · PubMed

Other PDB entries of the same protein (UniProt P24941 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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