Mouse Monoclonal Anti-CDK4 antibody (STJ99110)


Reactivity: Human, Mouse, Rat
Applications: WB, ELISA
Conjugation: Unconjugated
Supplier: St John’s Laboratory Ltd.

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Mouse Monoclonal Anti-CDK4 antibody (STJ99110)

Supplier: St John’s Laboratory Ltd.

Recommended applications: WB, ELISA

Recommended dilution: WB 1:500-2000; ELISA 1:10000-20000

Recommended protocols: check protocols

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Alternative names:

Check alternative names for the antibody


|Cdk 4 antibody|cdk4 antibody|CDK4 protein antibody|CDK4_HUMAN antibody|Cell division kinase 4 antibody|Cell division protein kinase 4 antibody|CMM 3 antibody|CMM3 antibody|Crk3 antibody|Cyclin dependent kinase 4 antibody|Cyclin-dependent kinase 4 antibody|Melanoma cutaneous malignant 3 antibody|MGC14458 antibody|p34 cdk4 antibody|PSK J3 antibody|PSK-J3 antibody|Anti-Cdk4 antibody [EPR4513] (ab108357) KO Validated
SCBT cat No: sc-70832|sc-70831|sc-136241|sc-166373|sc-260|sc-53636|sc-56277|sc-23896|sc-393653|sc-601|sc-749|sc-56361|


Anti-CDK4 antibody

Catalogue No.



Human, Mouse, Rat


Anti-CDK4 antibody detects endogenous levels of CDK4 and does not cross-react with related proteins.


Purified recombinant human CDK4 protein fragments expressed in E.coli.





Recommended dilution

WB 1:500-2000; ELISA 1:10000-20000







Molecular weight



Anti-CDK4 antibody was tube-contained in liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.


1 mg/ml


Anti-CDK4 antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.


-20 Celsius degree. Avoid repeated freeze/thaw cycles.

Alternative antibody names

Cdk 4 antibody, cdk4 antibody, CDK4 protein antibody, CDK4_HUMAN antibody, Cell division kinase 4 antibody, Cell division protein kinase 4 antibody, CMM 3 antibody, CMM3 antibody, Crk3 antibody, Cyclin dependent kinase 4 antibody, Cyclin-dependent kinase 4 antibody, Melanoma cutaneous malignant 3 antibody, MGC14458 antibody, p34 cdk4 antibody, PSK J3 antibody, PSK-J3 antibody

Database links


Protein function

Ser/Thr-kinase component of cyclin D-CDK4 (DC) complexes that phosphorylate and inhibit members of the retinoblastoma (RB) protein family including RB1 and regulate the cell-cycle during G(1)/S transition. Phosphorylation of RB1 allows dissociation of the transcription factor E2F from the RB/E2F complexes and the subsequent transcription of E2F target genes which are responsible for the progression through the G(1) phase. Hypophosphorylates RB1 in early G(1) phase. Cyclin D-CDK4 complexes are major integrators of various mitogenenic and antimitogenic signals. Also phosphorylates SMAD3 in a cell-cycle-dependent manner and represses its transcriptional activity. Component of the ternary complex, cyclin D/CDK4/CDKN1B, required for nuclear translocation and activity of the cyclin D-CDK4 complex. .

Involvement in disease

Melanoma, cutaneous malignant 3 (CMM3) [MIM:609048]: A malignant neoplasm of melanocytes, arising de novo or from a pre-existing benign nevus, which occurs most often in the skin but also may involve other sites. . Note=Disease susceptibility is associated with variations affecting the gene represented in this entry.

Protein sequence and domain

Belongs to the protein kinase superfamily. CMGC Ser/Thr protein kinase family. CDC2/CDKX subfamily. ; Contains 1 protein kinase domain.

Protein post-translational modifications

Phosphorylation at Thr-172 is required for enzymatic activity. Phosphorylated, in vitro, at this site by CCNH-CDK7, but, in vivo, appears to be phosphorylated by a proline-directed kinase. In the cyclin D-CDK4-CDKN1B complex, this phosphorylation and consequent CDK4 enzyme activity, is dependent on the tyrosine phosphorylation state of CDKN1B. Thus, in proliferating cells, CDK4 within the complex is phosphorylated on Thr-172 in the T-loop. In resting cells, phosphorylation on Thr-172 is prevented by the non-tyrosine-phosphorylated form of CDKN1B. .

Protein cellular localization

Cytoplasm. Nucleus. Membrane. Note=Cytoplasmic when non-complexed. Forms a cyclin D-CDK4 complex in the cytoplasm as cells progress through G(1) phase. The complex accumulates on the nuclear membrane and enters the nucleus on transition from G(1) to S phase. Also present in nucleoli and heterochromatin lumps. Colocalizes with RB1 after release into the nucleus.


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St John’s Laboratory Ltd.

Product type

Primary antibody


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