2b53 Summary

pdbe.org/2b53
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Human cyclin dependent kinase 2 (CDK2) complexed with DIN-234325

The structure was published by Sielecki, T.M., Johnson, T.L., Liu, J., et al., Benfield, P.A., Trainor, G.L., and Seitz, S.P., in 2001 in a paper entitled "Quinazolines as Cyclin Dependent Kinase Inhibitors" (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.0 Å and deposited in 2005.

The experimental data on which the structure is based was also deposited.

The PDB entry contains the structure of Cell division protein kinase 2. This molecule has the UniProt identifier P24941 (CDK2_HUMAN)search. The sample contained 298 residues which is 100% of the natural sequence. Out of 298 residues 294 were observed and are deposited in the PDB.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule is most likely monomeric.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
A Cell division protein kinase 2 P24941 (1-298) (CDK2_HUMAN)search Homo sapienssearch 97% 298 98%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
P24941 (1 - 298) Cell division protein kinase 2 Homo sapiens

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A (P24941) Protein kinases, catalytic subunitsearch Phosphorylase Kinase; domain 1search, Transferase(Phosphotransferase) domain 1search PF00069: Protein kinase domainsearch

Chain ID Molecular function (GO) Biological process (GO) Cellular component (GO)
A (P24941) protein serine/threonine kinase activitysearch protein kinase activitysearch ATP bindingsearch protein bindingsearch cyclin bindingsearch nucleotide bindingsearch cyclin-dependent protein serine/threonine kinase activitysearch transferase activity, transferring phosphorus-containing groupssearch transferase activitysearch histone kinase activitysearch kinase activitysearch metal ion bindingsearch protein phosphorylationsearch DNA replicationsearch G1/S transition of mitotic cell cyclesearch mitotic G1 DNA damage checkpointsearch DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrestsearch meiotic nuclear divisionsearch positive regulation of transcription, DNA-templatedsearch G2/M transition of mitotic cell cyclesearch phosphorylationsearch Ras protein signal transductionsearch cell cyclesearch cellular response to DNA damage stimulussearch histone phosphorylationsearch DNA repairsearch cell divisionsearch potassium ion transportsearch regulation of ubiquitin-protein ligase activity involved in mitotic cell cyclesearch mitotic nuclear divisionsearch anaphase-promoting complex-dependent proteasomal ubiquitin-dependent protein catabolic processsearch centrosome duplicationsearch regulation of gene silencingsearch cellular response to nitric oxidesearch blood coagulationsearch mitotic cell cyclesearch positive regulation of DNA-dependent DNA replication initiationsearch positive regulation of cell proliferationsearch nucleoplasmsearch cytosolsearch condensed chromosomesearch nucleussearch microtubule organizing centersearch cyclin-dependent protein kinase holoenzyme complexsearch Y chromosomesearch Cajal bodysearch cytoskeletonsearch cytoplasmsearch transcription factor complexsearch centrosomesearch endosomesearch chromosome, telomeric regionsearch X chromosomesearch

Chain InterPro annotation
A Protein kinase domainsearch Serine/threonine/dual specificity protein kinase, catalytic domainsearch Serine/threonine-protein kinase, active sitesearch Protein kinase-like domainsearch Protein kinase, ATP binding sitesearch