organelle inner membrane

Definition

Target type: cellularcomponent

The inner, i.e. lumen-facing, lipid bilayer of an organelle envelope; usually highly selective to most ions and metabolites. [GOC:mah]

The organelle inner membrane is a specialized membrane that encloses the internal compartment of an organelle. It plays a crucial role in maintaining the organelle's unique environment and facilitating specific functions. This membrane is typically composed of a phospholipid bilayer, with embedded proteins that perform a variety of tasks. The inner membrane of mitochondria, for example, contains proteins involved in electron transport and ATP synthesis. In chloroplasts, the inner membrane harbors proteins responsible for photosynthesis. The specific composition and function of the inner membrane vary depending on the organelle. However, in general, the inner membrane acts as a selective barrier, regulating the passage of molecules into and out of the organelle. It also provides a platform for anchoring enzymes and other proteins involved in organelle-specific processes. The inner membrane is a dynamic structure, constantly undergoing changes in response to cellular signals and environmental cues.'
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Proteins (1)

Compounds (7)