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The DNA sequence and analysis of human chromosome 6

机译:人类第6号染色体的DNA序列与分析

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摘要

Chromosome 6 is a metacentric chromosome that constitutes about 6% of the human genome. The finished sequence comprises 166,880,988 base pairs, representing the largest chromosome sequenced so far. The entire sequence has been subjected to high-quality manual annotation, resulting in the evidence-supported identification of 1,557 genes and 633 pseudogenes. Here we report that at least 96% of the protein-coding genes have been identified, as assessed by multi-species comparative sequence analysis, and provide evidence for the presence of further, otherwise unsupported exons/genes. Among these are genes directly implicated in cancer, schizophrenia, autoimmunity and many other diseases. Chromosome 6 harbours the largest transfer RNA gene cluster in the genome; we show that this cluster co-localizes with a region of high transcriptional activity. Within the essential immune loci of the major histocompatibility complex, we find HLA-B to be the most polymorphic gene on chromosome 6 and in the human genome.
机译:染色体6是亚中心染色体,约占人类基因组的6%。最终序列包含166,880,988个碱基对,代表了迄今为止已测序的最大染色体。整个序列都经过了高质量的手工注释,从而得到了证据支持的1,557个基因和633个假基因的鉴定。在这里,我们报告说,至少有96%的蛋白质编码基因已被鉴定,通过多物种比较序列分析进行评估,并为存在其他不受支持的外显子/基因提供了证据。其中有直接与癌症,精神分裂症,自身免疫和许多其他疾病有关的基因。染色体6拥有基因组中最大的转移RNA基因簇。我们显示该簇与高转录活性区域共定位。在主要组织相容性复合体的必需免疫基因座中,我们发现HLA-B是6号染色体和人类基因组中最多态的基因。

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