Protein COX4I2
Identifiers
cytochrome c oxidase subunit IV isoform 2 (lung)
HUGO:COX4I2 HGNC:16232 ENTREZ:84701 UNIPROT:Q96KJ9
Maps_Modules
HMC:RESISTING_CELL_DEATH
HMC:DEREGULATING_CELLULAR_ENERGETICS
Regulated Cell Death
/ ANTIOXIDANT_RESPONSE
Regulated Cell Death
/ MITOCHONDRIAL_GENES
Regulated Cell Death
/ MITOCHONDRIAL_METABOLISM
Regulated Cell Death
/ OXIDATIVE_PHOSPHOYLATION_AND_TCA_CYCLE
RECON2
COX4I2@Mitochondrial inner membrane
Maps_Modules
HMC:RESISTING_CELL_DEATH
HMC:DEREGULATING_CELLULAR_ENERGETICS
Regulated Cell Death
/ ANTIOXIDANT_RESPONSE
Regulated Cell Death
/ MITOCHONDRIAL_GENES
Regulated Cell Death
/ MITOCHONDRIAL_METABOLISM
Regulated Cell Death
/ OXIDATIVE_PHOSPHOYLATION_AND_TCA_CYCLE
References
rc_re92( Regulated Cell Death
):
PMID:17418790
Upon hypoxia, COX4I1 degraded by LONP1 is replaced into the COX complex by COX4I2, resulting in lower ROS generation and higher electron transport chain activity
Modifications:
In compartment: Mitochondrial inner membrane
- COX4I2@Mitochondrial inner membrane
Participates in complexes:
In compartment: Mitochondrial inner membrane
- COX4I2:COX5A:COX5B:COX6A*:COX6B*:COX6C:COX7A*:COX7B*:COX7C:COX8*:Cu2+:MT-CO1:MT-CO2:MT-CO3:heme a@Mitochondrial inner membrane
Participates in reactions:
As Reactant or Product:- rCOX4I2@Nucleus
→
COX4I2@Mitochondrial inner membrane
- COX4I1:COX5A:COX5B:COX6A*:COX6B*:COX6C:COX7A*:COX7B*:COX7C:COX8*:Cu2+:MT-CO1:MT-CO2:MT-CO3:heme a@Mitochondrial inner membrane
+ COX4I2@Mitochondrial inner membrane
+ ATP@Mitochondrial Matrix
→
COX4I2:COX5A:COX5B:COX6A*:COX6B*:COX6C:COX7A*:COX7B*:COX7C:COX8*:Cu2+:MT-CO1:MT-CO2:MT-CO3:heme a@Mitochondrial inner membrane
+ ADP@Mitochondrial Matrix
As Catalyser:- Cytochrome_C*|ferroheme:cardiolipin@Mitochondrial inner membrane
+ H+@Mitochondrial Matrix
+ O_sub_2_endsub_@Mitochondrial inner membrane
→
Cytochrome_C*|ferriheme:cardiolipin@Mitochondrial inner membrane
+ H+@Mitochondrial intermembrane space