What is the Difference Between Cytochrome C and Other Cytochromes?
🆚 Go to Comparative Table 🆚Cytochrome c is a highly water-soluble protein found loosely associated with the inner membrane of the mitochondrion, where it plays a crucial role in the electron transport chain (ETC). The main differences between cytochrome c and other cytochromes are:
- Heme group: Cytochrome c has a heme c prosthetic group, while other cytochromes have heme a, b, or d prosthetic groups.
- Function: Cytochrome c is an essential component of the ETC, involved in transferring electrons between Complexes III (Coenzyme Q – Cyt c reductase) and IV (Cyt c oxidase). Other cytochromes, such as cytochromes a, b, and d, do not participate in the ETC.
- Solubility: Unlike other cytochromes, cytochrome c is highly water-soluble.
- Apoptosis: Cytochrome c plays a major role in cell apoptosis, while other cytochromes do not have this function.
In summary, cytochrome c differs from other cytochromes in its heme group, function in the electron transport chain, solubility, and involvement in cell apoptosis.
Comparative Table: Cytochrome C vs Other Cytochromes
Cytochromes are hemeproteins that play a crucial role in electron transport as part of the electron transport chain (ETC) in cellular respiration. The main difference between cytochrome C and other cytochromes lies in their role in the ETC and the type of heme group they contain. Here is a table summarizing the differences between cytochrome C and other cytochromes:
Cytochrome C | Other Cytochromes |
---|---|
Contains heme C prosthetic group | Contain heme A, B, or D prosthetic groups |
Participates in the electron transport chain | Do not participate in the electron transport chain |
Involved in the transfer of electrons from Complex III to Complex IV of the ETC | Role in cellular respiration varies among different types |
Cytochrome C is functionally involved in the electron transport chain of mitochondria, playing a role in the synthesis of ATP. Other cytochromes, such as cytochrome reductase and cytochrome oxidase, also participate in the ETC, but they have different functions and contain different heme groups.
- Cytochrome vs Phytochrome
- Ubiquinones vs Cytochromes
- Hemocyanin vs Hemoglobin
- Chemiosmosis in Mitochondria vs Chloroplast
- Electron Transport Chain in Mitochondria vs Chloroplasts
- Cytosolic vs Chloroplastic Glycolysis
- Fluorophore vs Chromophore
- Cytoplasm vs Cytosol
- Cytosine vs Cysteine
- NAD+ NADH vs NADPH
- Phycocyanin vs Phycoerythrin
- Cytoplasm vs Protoplasm
- Hemoglobin vs Myoglobin
- Glycolysis Krebs Cycle vs Electron Transport Chain
- Auxochrome vs Chromophore
- Chromic Acid vs Chromium Trioxide
- Chromate vs Dichromate
- Mitochondria vs Chloroplast
- Porphyrin vs Protoporphyrin