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CD5R1_BOVIN
ID   CD5R1_BOVIN             Reviewed;         307 AA.
AC   Q28199; Q0II69; Q28865; Q29462;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1997, sequence version 1.
DT   03-AUG-2022, entry version 165.
DE   RecName: Full=Cyclin-dependent kinase 5 activator 1;
DE            Short=CDK5 activator 1;
DE   AltName: Full=Cyclin-dependent kinase 5 regulatory subunit 1;
DE   AltName: Full=TPKII regulatory subunit;
DE   Contains:
DE     RecName: Full=Cyclin-dependent kinase 5 activator 1, p35;
DE              Short=p35;
DE   Contains:
DE     RecName: Full=Cyclin-dependent kinase 5 activator 1, p25;
DE              Short=p25;
DE     AltName: Full=Tau protein kinase II 23 kDa subunit;
DE              Short=p23;
DE   Flags: Precursor;
GN   Name=CDK5R1; Synonyms=CDK5R, NCK5A;
OS   Bos taurus (Bovine).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Laurasiatheria; Artiodactyla; Ruminantia; Pecora; Bovidae;
OC   Bovinae; Bos.
OX   NCBI_TaxID=9913;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   TISSUE=Brain cortex;
RX   PubMed=7957957; DOI=10.1016/0014-5793(94)01163-x;
RA   Uchida T., Ishiguro K., Ohnuma J., Takamatsu M., Yonekura S., Imahori K.;
RT   "Precursor of cdk5 activator, the 23 kDa subunit of tau protein kinase II:
RT   its sequence and developmental change in brain.";
RL   FEBS Lett. 355:35-40(1994).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [MRNA], AND PARTIAL PROTEIN SEQUENCE.
RC   TISSUE=Brain;
RX   PubMed=8090222; DOI=10.1038/371423a0;
RA   Lew J., Huang Q.-Q., Qi Z., Winkfein R.J., Aebersold R., Hunt T.,
RA   Wang J.H.;
RT   "A brain-specific activator of cyclin-dependent kinase 5.";
RL   Nature 371:423-426(1994).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   STRAIN=Crossbred X Angus; TISSUE=Liver;
RG   NIH - Mammalian Gene Collection (MGC) project;
RL   Submitted (AUG-2006) to the EMBL/GenBank/DDBJ databases.
RN   [4]
RP   NUCLEOTIDE SEQUENCE [MRNA] OF 99-307, AND PARTIAL PROTEIN SEQUENCE.
RC   TISSUE=Brain cortex;
RX   PubMed=8143878; DOI=10.1016/0014-5793(94)80501-6;
RA   Ishiguro K., Kobayashi S., Omori A., Takamatsu M., Yonekura S., Anzai K.,
RA   Imahori K., Uchida T.;
RT   "Identification of the 23 kDa subunit of tau protein kinase II as a
RT   putative activator of cdk5 in bovine brain.";
RL   FEBS Lett. 342:203-208(1994).
CC   -!- FUNCTION: p35 is a neuron specific activator of CDK5. The complex
CC       p35/CDK5 is required for neurite outgrowth and cortical lamination.
CC       Involved in dendritic spine morphogenesis by mediating the EFNA1-EPHA4
CC       signaling. Activator of TPKII. The complex p35/CDK5 participates in the
CC       regulation of the circadian clock by modulating the function of CLOCK
CC       protein: phosphorylates CLOCK at 'Thr-451' and 'Thr-461' and regulates
CC       the transcriptional activity of the CLOCK-ARNTL/BMAL1 heterodimer in
CC       association with altered stability and subcellular distribution.
CC       {ECO:0000250|UniProtKB:Q15078}.
CC   -!- SUBUNIT: Heterodimer composed of a catalytic subunit CDK5 and a
CC       regulatory subunit CDK5R1 (p25) and macromolecular complex composed of
CC       at least CDK5, CDK5R1 (p35) and CDK5RAP1 or CDK5RAP2 or CDK5RAP3. Only
CC       the heterodimer shows kinase activity (By similarity). Interacts with
CC       EPHA4 and NGEF; may mediate the activation of NGEF by EPHA4 (By
CC       similarity). Interacts with RASGRF2. The complex p35/CDK5 interacts
CC       with CLOCK (By similarity). {ECO:0000250|UniProtKB:P61809,
CC       ECO:0000250|UniProtKB:Q15078}.
CC   -!- SUBCELLULAR LOCATION: [Cyclin-dependent kinase 5 activator 1, p35]:
CC       Cell membrane {ECO:0000250|UniProtKB:Q15078}; Lipid-anchor
CC       {ECO:0000250|UniProtKB:Q15078}; Cytoplasmic side
CC       {ECO:0000250|UniProtKB:Q15078}. Cell projection, neuron projection
CC       {ECO:0000250|UniProtKB:Q15078}. Note=In the primary cortical neurons,
CC       p35 is present in the peripheries and nerve terminals.
CC       {ECO:0000250|UniProtKB:Q15078}.
CC   -!- SUBCELLULAR LOCATION: [Cyclin-dependent kinase 5 activator 1, p25]:
CC       Nucleus {ECO:0000250|UniProtKB:Q15078}. Cytoplasm, perinuclear region
CC       {ECO:0000250|UniProtKB:Q15078}. Perikaryon
CC       {ECO:0000250|UniProtKB:Q15078}. Note=The conversion of p35 to p25
CC       relocalizes the protein from the cell periphery to the cytoplasm, in
CC       nuclear and perinuclear regions. In the primary cortical neurons, p25
CC       is primarily concentrated in the cell soma and is largely absent from
CC       neurites. {ECO:0000250|UniProtKB:Q15078}.
CC   -!- TISSUE SPECIFICITY: Brain and neuron specific.
CC   -!- PTM: The p35 form is proteolytically cleaved by calpain, giving rise to
CC       the p25 form. P35 has a 5 to 10 fold shorter half-life compared to p25.
CC       The conversion results in deregulation of the CDK5 kinase: p25/CDK5
CC       kinase displays an increased and altered tau phosphorylation in
CC       comparison to the p35/CDK5 kinase in vivo (By similarity).
CC       {ECO:0000250|UniProtKB:P61809}.
CC   -!- PTM: Myristoylated. A proper myristoylation signal is essential for the
CC       proper distribution of p35 (By similarity).
CC       {ECO:0000250|UniProtKB:Q15078}.
CC   -!- PTM: Phosphorylation at Ser-8 and Thr-138 by CDK5 prevents calpain-
CC       mediated proteolysis. {ECO:0000250|UniProtKB:Q15078}.
CC   -!- PTM: Ubiquitinated, leading to its degradation: degradation of p35 by
CC       proteasome results in down-regulation of CDK5 activity. During this
CC       process, CDK5 phosphorylates p35 and induces its ubiquitination and
CC       subsequent degradation. Ubiquitinated by the CRL2(FEM1B) complex, which
CC       recognizes the -Gly-Leu-Asp-Arg C-degron at the C-terminus, leading to
CC       its degradation. {ECO:0000250|UniProtKB:Q15078}.
CC   -!- SIMILARITY: Belongs to the cyclin-dependent kinase 5 activator family.
CC       {ECO:0000305}.
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DR   EMBL; X78934; CAA55534.1; -; mRNA.
DR   EMBL; S73375; AAB31984.1; -; mRNA.
DR   EMBL; BC122779; AAI22780.1; -; mRNA.
DR   EMBL; X78883; CAA55481.1; -; mRNA.
DR   PIR; S50850; S50850.
DR   PIR; S51373; S51373.
DR   RefSeq; NP_776937.2; NM_174512.3.
DR   AlphaFoldDB; Q28199; -.
DR   SMR; Q28199; -.
DR   BioGRID; 159447; 6.
DR   CORUM; Q28199; -.
DR   IntAct; Q28199; 3.
DR   MINT; Q28199; -.
DR   STRING; 9913.ENSBTAP00000052270; -.
DR   PaxDb; Q28199; -.
DR   PRIDE; Q28199; -.
DR   Ensembl; ENSBTAT00000056064; ENSBTAP00000052270; ENSBTAG00000004475.
DR   GeneID; 282173; -.
DR   KEGG; bta:282173; -.
DR   CTD; 8851; -.
DR   VEuPathDB; HostDB:ENSBTAG00000004475; -.
DR   VGNC; VGNC:27128; CDK5R1.
DR   eggNOG; KOG3932; Eukaryota.
DR   GeneTree; ENSGT00390000008812; -.
DR   HOGENOM; CLU_034132_2_0_1; -.
DR   InParanoid; Q28199; -.
DR   OMA; EVATDHE; -.
DR   OrthoDB; 1492547at2759; -.
DR   TreeFam; TF101036; -.
DR   Reactome; R-BTA-399956; CRMPs in Sema3A signaling.
DR   Reactome; R-BTA-6804756; Regulation of TP53 Activity through Phosphorylation.
DR   Proteomes; UP000009136; Chromosome 19.
DR   Bgee; ENSBTAG00000004475; Expressed in occipital lobe and 96 other tissues.
DR   GO; GO:0030424; C:axon; ISS:UniProtKB.
DR   GO; GO:0043292; C:contractile fiber; ISS:UniProtKB.
DR   GO; GO:0000307; C:cyclin-dependent protein kinase holoenzyme complex; IEA:Ensembl.
DR   GO; GO:0005737; C:cytoplasm; ISS:UniProtKB.
DR   GO; GO:0030425; C:dendrite; ISS:UniProtKB.
DR   GO; GO:0043197; C:dendritic spine; ISS:UniProtKB.
DR   GO; GO:0030426; C:growth cone; IDA:ARUK-UCL.
DR   GO; GO:0016020; C:membrane; ISS:UniProtKB.
DR   GO; GO:0031594; C:neuromuscular junction; ISS:UniProtKB.
DR   GO; GO:0043005; C:neuron projection; IDA:ARUK-UCL.
DR   GO; GO:0043025; C:neuronal cell body; ISS:UniProtKB.
DR   GO; GO:0005654; C:nucleoplasm; IEA:Ensembl.
DR   GO; GO:0005634; C:nucleus; ISS:UniProtKB.
DR   GO; GO:0043204; C:perikaryon; IEA:UniProtKB-SubCell.
DR   GO; GO:0048471; C:perinuclear region of cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0014069; C:postsynaptic density; ISS:UniProtKB.
DR   GO; GO:0016533; C:protein kinase 5 complex; IEA:Ensembl.
DR   GO; GO:0051015; F:actin filament binding; IEA:Ensembl.
DR   GO; GO:0043014; F:alpha-tubulin binding; IDA:ARUK-UCL.
DR   GO; GO:0048487; F:beta-tubulin binding; IDA:ARUK-UCL.
DR   GO; GO:0045296; F:cadherin binding; ISS:UniProtKB.
DR   GO; GO:0005509; F:calcium ion binding; ISS:UniProtKB.
DR   GO; GO:0061575; F:cyclin-dependent protein serine/threonine kinase activator activity; IBA:GO_Central.
DR   GO; GO:0035255; F:ionotropic glutamate receptor binding; IEA:Ensembl.
DR   GO; GO:0016301; F:kinase activity; ISS:UniProtKB.
DR   GO; GO:0002020; F:protease binding; IEA:Ensembl.
DR   GO; GO:0019901; F:protein kinase binding; IBA:GO_Central.
DR   GO; GO:0043539; F:protein serine/threonine kinase activator activity; ISS:UniProtKB.
DR   GO; GO:0007411; P:axon guidance; ISS:UniProtKB.
DR   GO; GO:0007413; P:axonal fasciculation; ISS:UniProtKB.
DR   GO; GO:0007420; P:brain development; ISS:UniProtKB.
DR   GO; GO:0021549; P:cerebellum development; IEA:Ensembl.
DR   GO; GO:0009792; P:embryo development ending in birth or egg hatching; ISS:UniProtKB.
DR   GO; GO:0048013; P:ephrin receptor signaling pathway; ISS:UniProtKB.
DR   GO; GO:0007213; P:G protein-coupled acetylcholine receptor signaling pathway; ISS:UniProtKB.
DR   GO; GO:0070315; P:G1 to G0 transition involved in cell differentiation; IEA:Ensembl.
DR   GO; GO:0021766; P:hippocampus development; IEA:Ensembl.
DR   GO; GO:0035235; P:ionotropic glutamate receptor signaling pathway; ISS:UniProtKB.
DR   GO; GO:0021819; P:layer formation in cerebral cortex; IEA:Ensembl.
DR   GO; GO:0045892; P:negative regulation of transcription, DNA-templated; IEA:Ensembl.
DR   GO; GO:0007158; P:neuron cell-cell adhesion; ISS:UniProtKB.
DR   GO; GO:0030182; P:neuron differentiation; ISS:UniProtKB.
DR   GO; GO:0001764; P:neuron migration; ISS:UniProtKB.
DR   GO; GO:0031175; P:neuron projection development; ISS:UniProtKB.
DR   GO; GO:0018107; P:peptidyl-threonine phosphorylation; IEA:Ensembl.
DR   GO; GO:0031116; P:positive regulation of microtubule polymerization; IDA:ARUK-UCL.
DR   GO; GO:0043525; P:positive regulation of neuron apoptotic process; ISS:UniProtKB.
DR   GO; GO:0090314; P:positive regulation of protein targeting to membrane; IEA:Ensembl.
DR   GO; GO:0032956; P:regulation of actin cytoskeleton organization; IEA:Ensembl.
DR   GO; GO:0061001; P:regulation of dendritic spine morphogenesis; ISS:UniProtKB.
DR   GO; GO:0048511; P:rhythmic process; IEA:UniProtKB-KW.
DR   GO; GO:0042501; P:serine phosphorylation of STAT protein; IEA:Ensembl.
DR   GO; GO:0021722; P:superior olivary nucleus maturation; IEA:Ensembl.
DR   InterPro; IPR004944; CDK5_activator.
DR   InterPro; IPR036915; Cyclin-like_sf.
DR   PANTHER; PTHR23401; PTHR23401; 1.
DR   Pfam; PF03261; CDK5_activator; 1.
DR   PIRSF; PIRSF009324; Cdk5_activator; 1.
DR   SUPFAM; SSF47954; SSF47954; 1.
PE   1: Evidence at protein level;
KW   Biological rhythms; Cell membrane; Cell projection; Cytoplasm;
KW   Direct protein sequencing; Lipoprotein; Membrane; Myristate; Nucleus;
KW   Phosphoprotein; Reference proteome; Ubl conjugation.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250|UniProtKB:Q15078"
FT   CHAIN           2..307
FT                   /note="Cyclin-dependent kinase 5 activator 1, p35"
FT                   /id="PRO_0000004792"
FT   CHAIN           99..307
FT                   /note="Cyclin-dependent kinase 5 activator 1, p25"
FT                   /id="PRO_0000004793"
FT   REGION          97..135
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        111..129
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   SITE            98..99
FT                   /note="Cleavage; by calpain"
FT                   /evidence="ECO:0000250|UniProtKB:P61809"
FT   MOD_RES         8
FT                   /note="Phosphoserine; by CDK5"
FT                   /evidence="ECO:0000250|UniProtKB:Q15078"
FT   MOD_RES         138
FT                   /note="Phosphothreonine; by CDK5"
FT                   /evidence="ECO:0000250|UniProtKB:Q15078"
FT   LIPID           2
FT                   /note="N-myristoyl glycine"
FT                   /evidence="ECO:0000250"
FT   CONFLICT        114
FT                   /note="L -> V (in Ref. 4; CAA55481)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        177..178
FT                   /note="WL -> CV (in Ref. 1; CAA55534 and 4; CAA55481)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        180
FT                   /note="S -> R (in Ref. 3; AAI22780)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        270
FT                   /note="S -> T (in Ref. 3; AAI22780)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   307 AA;  34088 MW;  738F24F3F458EE68 CRC64;
     MGTVLSLSPS YRKATLFEDG AATVGHYTAV QNSKNAKDKN LKRHSIISVL PWKRIVAVSA
     KKKNSKKVQP NSSYQNNITH LNNENLKKSL SCANLSTFAQ PPPAQPPAPP ASQLSGSQTG
     VSSSVKKAPH PAVSSAGTPK RVIVQASTSE LLRCLGEFLC RRCYRLKHLS PTDPVLWLRS
     VDRSLLLQGW QDQGFITPAN VVFLYMLCRD VISSEVGSDH ELQAVLLTCL YLSYSYMGNE
     ISYPLKPFLV ESCKEAFWDR CLSVINLMSS KMLQINADPH YFTQVFSDLK NESGQEDKKR
     LLLGLDR
 
 
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