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Key Documents

SAB1401100

Sigma-Aldrich

Anti-CYC1 antibody produced in rabbit

purified immunoglobulin, buffered aqueous solution

Synonym(s):

UQCR4

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

rabbit

Quality Level

conjugate

unconjugated

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

species reactivity

mouse, human

technique(s)

western blot: 1 μg/mL

NCBI accession no.

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

Gene Information

human ... CYC1(1537)

General description

Cytochrome c1 (CYC1) is a heme-containing constituent of mitochondrial complex III. It is encoded by the gene mapped to human chromosome 8q24.3. The encoded protein is attached to the phospholipid bilayer by a single C-proximal transmembrane segment.

Immunogen

CYC1 (NP_001907.2, 1 a.a. ~ 325 a.a) full-length human protein.

Sequence
MAAAAASLRGVVLGPRGAGLPGARARGLLCSARPGQLPLRTPQAVALSSKSGLSRGRKVMLSALGMLAAGGAGLAVALHSAVSASDLELHPPSYPWSHRGLLSSLDHTSIRRGFQVYKQVCASCHSMDFVAYRHLVGVCYTEDEAKELAAEVEVQDGPNEDGEMFMRPGKLFDYFPKPYPNSEAARAANNGALPPDLSYIVRARHGGEDYVFSLLTGYCEPPTGVSLREGLYFNPYFPGQAIAMAPPIYTDVLEFDDGTPATMSQIAKDVCTFLRWASEPEHDHRKRMGLKMLMMMALLVPLVYTIKRHKWSVLKSRKLAYRPPK

Biochem/physiol Actions

Cytochrome c1 (CYC1) stimulates oxidative phosphorylation activity in human ductal carcinoma in- situ (DCIS) and thus, plays an essential role in cell proliferation and comedo necrosis. CYC1 expression is implicated in breast cancer progression and might act as a predictive factor for poor prognosis in breast cancer patients. Variation in the gene expression leads to mitochondrial complex III deficiency.

Physical form

Solution in phosphate buffered saline, pH 7.4

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

10 - Combustible liquids

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Cytochrome c1 in ductal carcinoma in situ of breast associated with proliferation and comedo necrosis.
Chishiki M, et al.
Cancer Science, 108(7), 1510-1519 (2017)
Assignment of the gene for the cytochrome c1 subunit of the mitochondrial cytochrome bc1 complex (CYC1) to human chromosome 8q24.3.
Duncan AM, et al.
Genomics, 400-401 (1994)
CYC1 Predicts Poor Prognosis in Patients with Breast Cancer
Han Y, et al.
Disease Markers (2016)
Pauline Gaignard et al.
American journal of human genetics, 93(2), 384-389 (2013-08-06)
Many individuals with abnormalities of mitochondrial respiratory chain complex III remain genetically undefined. Here, we report mutations (c.288G>T [p.Trp96Cys] and c.643C>T [p.Leu215Phe]) in CYC1, encoding the cytochrome c1 subunit of complex III, in two unrelated children presenting with recurrent episodes

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