人 GCH1 (NM_001024024) cDNA克隆

Accession: NM_001024024
基因名称: GCH1
基因别名: GCH; DYT5; DYT14; DYT5a; GTPCH1; HPABH4B; GTP-CH-1
基因描述: Homo sapiens GTP cyclohydrolase 1 (GCH1), transcript variant 2, mRNA.
种属: Human
CDS区长度: 753 (查看编码区序列)
翻译后氨基酸长度: 250 (查看氨基酸序列)
Transcript Variant: This variant (2), also known as Type V, differs in the 3' UTR, compared to variant 1. Variants 1 and 2 both encode the functional enzyme, isoform 1.
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G144378 人 GCH1 (NM_001024024) cDNA克隆 pDONR223 2ug质粒 点击询价

This gene encodes a member of the GTP cyclohydrolase family. The encoded protein is the first and rate-limiting enzyme in tetrahydrobiopterin (BH4) biosynthesis, catalyzing the conversion of GTP into 7,8-dihydroneopterin triphosphate. BH4 is an essential cofactor required by aromatic amino acid hydroxylases as well as nitric oxide synthases. Mutations in this gene are associated with malignant hyperphenylalaninemia and dopa-responsive dystonia. Several alternatively spliced transcript variants encoding different isoforms have been described; however, not all variants give rise to a functional enzyme. [provided by RefSeq, Jul 2008]