9.B.103 The Putative Ca²⁺Uniporter (GC1qR) Family Complement component 1Q subcomponent-binding protein (gC1qR) is a known mitochondrial protein that may be involved in Ca²⁺ transport and contribute to the structure of the permeability transition pore (Starkov, 2010).
References:
Gutiérrez-Aguilar, M., P.J. Klutho, R. Aguayo-Ortiz, L. Song, and C.P. Baines. (2024). Endogenous complement 1q binding protein (C1qbp) regulates mitochondrial permeability transition and post-myocardial infarction remodeling and dysfunction. J Mol. Cell Cardiol 196: 1-11.
Starkov, A.A. (2010). The molecular identity of the mitochondrial Ca²⁺ sequestration system. FEBS J. 277: 3652-3663.
Examples:
TC#	Name	Organismal Type	Example
9.B.103.1.1	Putative trimeric, Calvecin-like, β-stranded, glyco-conjugated Ca²⁺uniporter, gC1qR or C1qbp. (282 aas) (MAM33 Superfamily) (Starkov, 2010). Endogenous complement 1q binding protein (C1qbp) regulates mitochondrial permeability transition and post-myocardial infarction remodeling and dysfunction (Gutiérrez-Aguilar et al. 2024).	Animals	*gC1qR of Homo sapiens* (Q07021)**

9.B.103.1.2	Related to MAM33-mitochondrial acidic matrix protein; of 260 aas.		Matrix protein of Claviceps purpurea (Ergot fungus) (Sphacelia segetum)

9.B.103.1.3	Mam33-like mitochondrial acidic matrix protein of 265 aa		Mam33-like mitochondrial acidic matrix protein of Zostera marina