Recombinant Bovine Cytochrome c oxidase subunit 4 isoform 1, mitochondrial (COX4I1), partial

Product Details

Purity
>85% (SDS-PAGE)
Target Names
COX4I1
Uniprot NO.
Alternative Names
COX4I1; COX4; Cytochrome c oxidase subunit 4 isoform 1, mitochondrial; Cytochrome c oxidase polypeptide IV; Cytochrome c oxidase subunit IV isoform 1; COX IV-1
Species
Bos taurus (Bovine)
Source
Yeast
Protein Length
Partial
Tag Info
N-terminal His-tagged/Tag-Free
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Storage Condition
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

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Target Background

Function(From Uniprot)
Component of the cytochrome c oxidase, the last enzyme in the mitochondrial electron transport chain which drives oxidative phosphorylation. The respiratory chain contains 3 multisubunit complexes succinate dehydrogenase (complex II, CII), ubiquinol-cytochrome c oxidoreductase (cytochrome b-c1 complex, complex III, CIII) and cytochrome c oxidase (complex IV, CIV), that cooperate to transfer electrons derived from NADH and succinate to molecular oxygen, creating an electrochemical gradient over the inner membrane that drives transmembrane transport and the ATP synthase. Cytochrome c oxidase is the component of the respiratory chain that catalyzes the reduction of oxygen to water. Electrons originating from reduced cytochrome c in the intermembrane space (IMS) are transferred via the dinuclear copper A center (CU(A)) of subunit 2 and heme A of subunbit 1 to the active site in subunit 1, a binuclear center (BNC) formed by heme A3 and copper B (CU(B)). The BNC reduces molecular oxygen to 2 water molecules using 4 electrons from cytochrome c in the IMS and 4 protons from the mitochondrial matrix.
Gene References into Functions
  1. Structure of bovine cytochrome c oxidase crystallized at a neutral pH has been reported. PMID:28695851
  2. Studies indicate that the patterns of charge translocation of cytochrome c oxidase coupled to transfer of the 3rd and 4th electrons are very similar. PMID:21889506
  3. Studies indicate that time-resolved resonance Raman (RR) spectroscopy of whole mitochondria identified a band at 571cm(-1) arising from the oxygenated intermediate at Deltat=0.4, 0.6 and 1.4ms. PMID:22172733
  4. Studies indicate that mutational amino acid replacement in proton channels, at the negative (N) side of membrane-inserted prokaryotic aa(3) oxidases, as well as Zn(2+) binding at this site in the bovine oxidase, uncouples proton pumping. PMID:22100820
  5. Studies indicate that nitric oxide (NO) binding to reduced ba(3) and bovine cytochrome aa3. PMID:22201543
  6. Studies indicate that X-ray structure of heart cytochrome c oxidase (CcO) suggest that O(2) molecules are transiently trapped at the Cu(B) site before binding to Fe(a3)(2+) to provide O(2)(-). PMID:22236806
  7. Studies indicate that photoexcitation of Ru (II) to Ru(II*) leads to rapid electron transfer to the ferric heme group in cytochrome c (Cc), followed by electron transfer to Cu(A) in cytochrome c oxidase (CcO) with a rate constant of 60,000s(-1). PMID:21939635
  8. Studies suggest that the master-equation models address the question of how pumping can be achieved in a system in which all reaction steps are reversible. PMID:21946020
  9. Studies suggest for the His291 model of proton pumping in cytochrome c oxidase (CcO). PMID:22086149

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Subcellular Location
Mitochondrion inner membrane; Single-pass membrane protein.
Protein Families
Cytochrome c oxidase IV family
Database Links
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