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Chromosome 22 is the second smallest human chromosome, spanning about 51 million DNA base pairs and representing between 1.5 and 2% of the total DNA in cells. In 1999, researchers working on the Human Genome Project announced they had determined the sequence of base pairs that make up this chromosome. Chromosome 22 was the first human ...
The largest regions on each chromosome are the short arm p and the long arm q, separated by a narrow region near the center called the centromere. [1] Other specific regions have also been defined, some of which are similarly found on every chromosome, while others are only present in certain chromosomes. Named regions include: Arms (p and q ...
The shorter arm of a chromosome is termed the p arm or p-arm, while the longer arm is the q arm or q-arm. The chromosomal locus of a typical gene, for example, might be written 3p22.1, where: [citation needed] 3 = chromosome 3; p = p-arm; 22 = region 2, band 2 (read as "two, two", not "twenty-two") 1 = sub-band 1
The C22orf25 gene is located on the long arm (q) of chromosome 22 in region 1, band 1, and sub-band 2 (22q11.21) starting at 20,008,631 base pairs and ending at 20,053,447 base pairs. [8]
n/a Ensembl ENSG00000183628 n/a UniProt Q14129 Q6FGH4 n/a RefSeq (mRNA) NM_005675 n/a RefSeq (protein) NP_001355171 n/a Location (UCSC) Chr 22: 18.91 – 18.91 Mb n/a PubMed search n/a Wikidata View/Edit Human Protein DGCR6 is a protein that in humans is encoded by the DGCR6 gene. DiGeorge syndrome, and more widely, the CATCH 22 syndrome, are associated with microdeletions in chromosomal ...
C22orf15 has two upstream promoter regions. GXP_9794292 is 1040 base pairs in length spanning from base pair 23,758,601 to 23,759,640 on chromosome 22, while GXP_6747563 is 1740 base pairs spanning from base pair 23,761,523 to 23,763,262. The transcription start region is located at base pair 23,762,523. [8]
DiGeorge syndrome, also known as 22q11.2 deletion syndrome, is a syndrome caused by a microdeletion on the long arm of chromosome 22. [7] While the symptoms can vary, they often include congenital heart problems, specific facial features, frequent infections, developmental disability, intellectual disability and cleft palate. [7]
The immunoglobulin lambda (λ) locus on chromosome 22, containing the gene segments for another type (λ) of immunoglobulin light chain. Each heavy chain or light chain gene contains multiple copies of three different types of gene segments for the variable regions of the antibody proteins.