Large ribosomal subunit protein mL44, endonuclease domain
Large ribosomal subunit protein mL44 (RM44) is a component of the 39S subunit of mitochondrial ribosome. It may play a role in the assembly/stability of nascent mitochondrial polypeptides exiting the ribosome. This entry represents the endonuclease ( ...
Large ribosomal subunit protein mL44 (RM44) is a component of the 39S subunit of mitochondrial ribosome. It may play a role in the assembly/stability of nascent mitochondrial polypeptides exiting the ribosome. This entry represents the endonuclease (RNase III-like) domain [1-3].
Tim44 is an essential component of the machinery that mediates the translocation of nuclear-encoded proteins across the mitochondrial inner membrane [1]. Tim44 is thought to bind phospholipids of the mitochondrial inner membrane both by electrostati ...
Tim44 is an essential component of the machinery that mediates the translocation of nuclear-encoded proteins across the mitochondrial inner membrane [1]. Tim44 is thought to bind phospholipids of the mitochondrial inner membrane both by electrostatic interactions and by penetrating the polar head group region [1]. This family includes the C-terminal region of Tim44 that has been shown to form a stable proteolytic fragment in yeast. This region is also found in a set of smaller bacterial proteins. The molecular function of the bacterial members of this family is unknown but transport seems likely. The crystal structure of the C terminal of Tim44 has revealed a large hydrophobic pocket which might play an important role in interacting with the acyl chains of lipid molecules in the mitochondrial membrane [3].
The 39S ribosomal protein appears to be a subunit of one of the larger mitochondrial 66S or 70S units [1]. Under conditions of ethanol-stress in rats the larger subunit is largely dissociated into its smaller components [2]. In E. coli, in the absenc ...
The 39S ribosomal protein appears to be a subunit of one of the larger mitochondrial 66S or 70S units [1]. Under conditions of ethanol-stress in rats the larger subunit is largely dissociated into its smaller components [2]. In E. coli, in the absence of the enzyme pseudouridine synthase (RluD) synthase, there is an accumulation of 50S and 30S subunits and the appearance of abnormal particles (62S and 39S), with concomitant loss of 70S ribosomes [2].
Mitochondrial ribosomal protein L51 / S25 / CI-B8 domain
The proteins in this family are located in the mitochondrion. The family includes ribosomal protein L51, and S25. This family also includes mitochondrial NADH-ubiquinone oxidoreductase B8 subunit (CI-B8) EC:1.6.5.3. It is not known whether all member ...
The proteins in this family are located in the mitochondrion. The family includes ribosomal protein L51, and S25. This family also includes mitochondrial NADH-ubiquinone oxidoreductase B8 subunit (CI-B8) EC:1.6.5.3. It is not known whether all members of this family form part of the NADH-ubiquinone oxidoreductase and whether they are also all ribosomal proteins. Structurally related to thioredoxin-fold.
This entry represents an extension found at the N-terminal of the mitochondrial 28S Small ribosomal subunit protein uS5m [1,2]. This region lines a part of the mRNA entry path and connects the 28S subunit body to the head forming a latch across the m ...
This entry represents an extension found at the N-terminal of the mitochondrial 28S Small ribosomal subunit protein uS5m [1,2]. This region lines a part of the mRNA entry path and connects the 28S subunit body to the head forming a latch across the mRNA channel entrance [2].
