1h27 Summary



The structure was published by Lowe, E.D., Tews, I., Cheng, K.Y., et al., Noble, M.E.M., Gamblin, S., and Johnson, L.N., in 2002 in a paper entitled "Specificity Determinants of Recruitment Peptides Bound to Phospho-Cdk2/Cyclin A" (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.2 Å and deposited in 2002.

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

This PDB entry contains a complex of 3 biomacromolecules, namely CELL DIVISION PROTEIN KINASE 2, CYCLIN A2, and CYCLIN-DEPENDENT KINASE INHIBITOR 1B.

The molecule has more than one probable quaternary state observed. For more details see the quaternary structure page.

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% 303 98%
C CELL DIVISION PROTEIN KINASE 2 P24941 (1-298) (CDK2_HUMAN)search Homo sapienssearch 97% 303 98%
B CYCLIN A2 P20248 (174-432) (CCNA2_HUMAN)search Homo sapienssearch < 90% 259 99%
D CYCLIN A2 P20248 (174-432) (CCNA2_HUMAN)search Homo sapienssearch < 90% 259 99%
E CYCLIN-DEPENDENT KINASE INHIBITOR 1B P46527 (25-35) (CDN1B_HUMAN)search Homo sapienssearch < 90% 11 54%

This entry contains 3 unique UniProt proteins:

UniProt accession Name Organism PDB
P24941 (1 - 298) CELL DIVISION PROTEIN KINASE 2 Homo sapiens
P20248 (174 - 432) CYCLIN A2 Homo sapiens

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A, C (P24941) Protein kinases, catalytic subunitsearch Phosphorylase Kinase; domain 1search, Transferase(Phosphotransferase) domain 1search PF00069: Protein kinase domainsearch
B, D Cyclinsearch Cyclin A; domain 1search Cyclin, N-terminal domainsearch, Cyclin, C-terminal domainsearch
E Cyclin-dependent kinase inhibitorsearch

Chain ID Molecular function (GO) Biological process (GO) Cellular component (GO)
A, C (P24941) protein kinase activitysearch protein bindingsearch protein serine/threonine kinase activitysearch cyclin-dependent protein serine/threonine kinase activitysearch cyclin bindingsearch nucleotide bindingsearch kinase activitysearch ATP bindingsearch metal ion bindingsearch transferase activitysearch histone kinase activitysearch transferase activity, transferring phosphorus-containing groupssearch protein phosphorylationsearch regulation of gene silencingsearch G1/S transition of mitotic cell cyclesearch cellular response to DNA damage stimulussearch histone phosphorylationsearch phosphorylationsearch G2/M transition of mitotic cell cyclesearch mitotic cell cyclesearch centrosome duplicationsearch cell divisionsearch anaphase-promoting complex-dependent proteasomal ubiquitin-dependent protein catabolic processsearch regulation of ubiquitin-protein ligase activity involved in mitotic cell cyclesearch DNA replicationsearch positive regulation of DNA-dependent DNA replication initiationsearch DNA repairsearch potassium ion transportsearch mitotic G1 DNA damage checkpointsearch blood coagulationsearch meiotic nuclear divisionsearch positive regulation of cell proliferationsearch cell cyclesearch cellular response to nitric oxidesearch DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrestsearch mitotic nuclear divisionsearch Ras protein signal transductionsearch positive regulation of transcription, DNA-templatedsearch meiotic cell cyclesearch nucleoplasmsearch condensed chromosomesearch nucleussearch cytosolsearch cyclin-dependent protein kinase holoenzyme complexsearch cytoskeletonsearch cytoplasmsearch Cajal bodysearch X chromosomesearch transcription factor complexsearch chromosome, telomeric regionsearch endosomesearch centrosomesearch Y chromosomesearch
B, D (P20248) protein kinase bindingsearch regulation of cyclin-dependent protein serine/threonine kinase activitysearch regulation of G2/M transition of mitotic cell cyclesearch nucleussearch

Chain InterPro annotation
A, C 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
B, D Cyclin, C-terminal domainsearch Cyclin, N-terminalsearch Cyclin-likesearch Cyclin A/B/D/E/Fsearch Cyclin A, chordatessearch