Immunogen sequence: KPTEKKDRVH HEPQLSDKVH NDAQSFDYDH DAFLGAEEAK TFDQLTPEES KERLGKIVSK IDGDKDGFVT VDELKDWIKF AQKRWIYEDV ERQWKGHDLN EDGLVSWEEY KNATYGYVLD DPDPDDGFNY KQMMVRDERR FKMADKDGDL IATKEEFTAF LHPEEYDYMK DIVVQETMED IDKNADGFID LEEYIGDMYS HDGNTDEPEW VKTEREQFVE FRDKNRDGKM DKEETKDWIL PSDYDHAEAE ARHLVYESDQ NKDGKLTKEE IVDKYDLFVG SQATDFGEAL VRHDEF; Positive Samples: H460, Rat liver; Cellular Location: Endoplasmic reticulum lumen, Melanosome, Sarcoplasmic reticulum lumen
Caluminin is a 315 amino acid Ca2+-binding member of the CREC, EF-hand protein family. Calumenin is a secreted protein t hat contains six Ca2+-binding (EF-hand) motifs and is expressed in the lumen of the endoplasmic reticulum (ER) and Golgi apparatus. In the presence of Ca2+, Calumenin interacts with serum amyloid P component (SAP) and, together, they may play a role in the immunological defense system and participate in amyloidosis, the pathological formation of amyloid deposits in different types of tissues. Calumenin has an inhibitory effect on the vitamin K-dependent g-carboxylation system which converts vitamin K-dependent proteins to Gla-containing proteins. Calumenin may also be involved in the pathophysiology of thrombosis and/or wound healing by acting in an autocrine or paracrine manner.
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Protein Aliases: Calumenin; CBP-50; Crocalbin; crocalbin-like protein; IEF SSP 9302; multiple EF-hand protein; reticulocalbin
Gene Aliases: 9530075H20Rik; CALU; Cbp50; Rcn