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Sequence of this protein is as follows: MEKGPVRAPA EKPRGARCSN GFPERDPPRP GPSRPAEKPP RPEAKSAQPA DGWKGERPRS EEDNELNLPN LAAAYSSILS SLGENPQRQG LLKTPWRAAS AMQFFTKGYQ ETISDVLNDA IFDEDHDEMV IVKDIDMFSM CEHHLVPFVG KVHIGYLPNK QVLGLSKLAR IVEIYSRRLQ VQERLTKQIA VAITEALRPA GVGVVVEATH MCMVMRGVQK MNSKTVTSTM LGVFREDPKT REEFLTLIRS
This gene encodes a member of the GTP cyclohydrolase family. The encoded protein is the first and rate-limiting enzyme in tetrahydrobiopterin 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.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: dystonia 14; GTP cyclohydrolase 1; GTP cyclohydrolase I; GTP-CH-I; guanosine 5'-triphosphate cyclohydrolase I
基因别名: DYT14; DYT5; DYT5a; GCH; GCH1; GTP-CH-1; GTPCH1; HPABH4B
UniProt ID: (Human) P30793
Entrez Gene ID: (Human) 2643