Anti-Calmegin/Clgn Antibody Picoband® Fluoro647 Conjugated

Calmegin, also known as CLGN, is a protein which in humans is encoded by the CLGN gene. This gene belongs to the calreticulin family, which includes calreticulin, calnexin, and calmegin, and encodes a calcium-binding molecular chaperone specifically expressed in pachytene stage male germ cells. It is required for the proper folding of newly synthesized membrane proteins in the endoplasmic reticulum including those critical for sperm migration from the uterus into the oviduct and sperm adhesion to and penetration of the zona pellucida. This gene plays a key role in spermatogenesis and male infertility. Alternative splice variants exist for this gene.

Transcription factor MafA; Pancreatic beta-cell-specific transcriptional activator; RIPE3b1 factor; V-maf musculoaponeurotic fibrosarcoma oncogene homolog A; MAFA

Transcription factor that activates insulin gene expression. Acts synergistically with NEUROD1/BETA2 and PDX1. Binds the insulin enhancer C1/RIPE3b element. Binds to consensus TRE-type MARE 5'-TGCTGACTCAGCA-3' DNA sequence.

1. Ikawa, M., Nakanishi, T., Yamada, S., Wada, I., Kominami, K., Tanaka, H., Nozaki, M., Nishimune, Y., Okabe, M. Calmegin is required for fertilin alpha/beta heterodimerization and sperm fertility. Dev. Biol. 240: 254-261, 2001. 2. Ikawa, M., Wada, I., Kominami, K., Watanabe, D., Toshimori, K., Nishimune, Y., Okabe, M. The putative chaperone calmegin is required for sperm fertility. Nature 387: 607-611, 1997. 3. Tanaka, H., Ikawa, M., Tsuchida, J., Nozaki, M., Suzuki, M., Fujiwara, T., Okabe, M., Nishimune, Y. Cloning and characterization of the human calmegin gene encoding putative testis-specific chaperone. Gene 204: 159-163, 1997.