CYB561

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Identifiers
Aliases
External IDs	GeneCards: [1]
Orthologs
Species	Human	Mouse
Entrez	n/a	n/a
Ensembl	n/a	n/a
UniProt	n/a	n/a
RefSeq (mRNA)	n/a	n/a
RefSeq (protein)	n/a	n/a
Location (UCSC)	n/a	n/a
PubMed search	n/a	n/a
Wikidata
View/Edit Human

Cytochrome b561 is a protein that in humans is encoded by the CYB561 gene.

Model organisms

Cyb561 knockout mouse phenotype

Characteristic	Phenotype
Homozygote viability	Normal
Fertility	Normal
Body weight	Normal
Anxiety	Normal
Neurological assessment	Normal
Grip strength	Normal
Hot plate	Normal
Dysmorphology	Normal
Indirect calorimetry	Normal
Glucose tolerance test	Abnormal
Auditory brainstem response	Normal
DEXA	Normal
Radiography	Normal
Body temperature	Normal
Eye morphology	Normal
Clinical chemistry	Normal
Haematology	Normal
Peripheral blood lymphocytes	Normal
Micronucleus test	Normal
Heart weight	Normal
Eye Histopathology	Normal
Salmonella infection	Normal
Citrobacter infection	Normal
All tests and analysis from

Model organisms have been used in the study of CYB561 function. A conditional knockout mouse line, called Cyb561^{tm1a(EUCOMM)Wtsi} was generated as part of the International Knockout Mouse Consortium program — a high-throughput mutagenesis project to generate and distribute animal models of disease to interested scientists.

Male and female animals underwent a standardized phenotypic screen to determine the effects of deletion. Twenty three tests were carried out on mutant mice and one significant abnormality was observed: female homozygotes displayed a decreased circulating glucose level after a glucose tolerance test.

External links

• Human CYB561 genome location and CYB561 gene details page in the UCSC Genome Browser.

Further reading

• Duong LT, Fleming PJ (1982). "Isolation and properties of cytochrome b561 from bovine adrenal chromaffin granules". J. Biol. Chem. 257 (15): 8561–4. PMID 7096323.
• Srivastava M (1995). "Genomic structure and expression of the human gene encoding cytochrome b561, an integral protein of the chromaffin granule membrane". J. Biol. Chem. 270 (39): 22714–20. doi:10.1074/jbc.270.39.22714. PMID 7559396.
• Srivastava M, Gibson KR, Pollard HB, Fleming PJ (1994). "Human cytochrome b561: a revised hypothesis for conformation in membranes which reconciles sequence and functional information". Biochem. J. 303 (Pt 3): 915–21. PMC 1137633. PMID 7980462.
• Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
• Bashtovyy D, Bérczi A, Asard H, Páli T (2004). "Structure prediction for the di-heme cytochrome b561 protein family". Protoplasma. 221 (1–2): 31–40. doi:10.1007/s00709-002-0065-0. PMID 12768339.
• Kang MK, Kameta A, Shin KH, et al. (2003). "Senescence-associated genes in normal human oral keratinocytes". Exp. Cell Res. 287 (2): 272–81. doi:10.1016/S0014-4827(03)00061-2. PMID 12837283.
• Vargas JD, Herpers B, McKie AT, et al. (2003). "Stromal cell-derived receptor 2 and cytochrome b561 are functional ferric reductases". Biochim. Biophys. Acta. 1651 (1–2): 116–23. doi:10.1016/S1570-9639(03)00242-5. PMID 14499595.
• Ota T, Suzuki Y, Nishikawa T, et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs". Nat. Genet. 36 (1): 40–5. doi:10.1038/ng1285. PMID 14702039.
• Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The Status, Quality, and Expansion of the NIH Full-Length cDNA Project: The Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.