The A-kinase anchor proteins (AKAPs) are a group of structurally diverse proteins, which have the common function of binding to the regulatory subunit of protein kinase A (PKA) and confining the holoenzyme to discrete locations within the cell. This gene encodes a member of the AKAP family. The protein anchors PKA in ciliary axonemes and, in this way, may play a role in regulating ciliary beat frequency. Alternate transcriptional splice variants, encoding different isoforms, have been characterized. Binds to type II regulatory subunits of protein kinase A and anchors/targets them.
Background References
1. Ross M.T., et al. 2005. The DNA sequence of the human X chromosome. Nature 434:325-337.
2. Kultgen P.L., et al. 2002. Characterization of an A-kinase anchoring protein in human ciliary axonemes. Mol. Biol. Cell 13:4156-4166.
Tissue Specificity
Present in cilia (at protein level). Expressed in tissues containing axoneme-based organelles (cilia and/or flagella): trachea and testis. Highly expressed in airway cilia.
Western blot analysis of AKAP14 on different lysates with Rabbit anti-AKAP14 antibody (ET1610-75) at 1/5,000 dilution.
Lane 1: Jurkat cell lysate Lane 2: HUVEC cell lysate Lane 3: A549 cell lysate Lane 4: DU 145 cell lysate Lane 5: Mouse testis tissue lysate Lane 6: Rat testis tissue lysate
Lysates/proteins at 20 µg/Lane.
Predicted band size: 23 kDa Observed band size: 23 kDa
Exposure time: 4 seconds; ECL: K1801;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (ET1610-75) at 1/5,000 dilution was used in primary antibody dilution (K1803) at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
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