Sequence of this protein is as follows: MADAEVIILP KKHKKKKERK SLPEEDVAEI QHAEEFLIKP ESKVAKLDTS QWPLLLKNFD KLNVRTTHYT PLACGSNPLK REIGDYIRTG FINLDKPSNP SSHEVVAWIR RILRVEKTGH SGTLDPKVTG CLIVCIERAT RLVKSQQSAG KEYVGIVRLH NAIEGGTQLS RALETLTGAL FQRPPLIAAV KRQLRVRTIY ESKMIEYDPE RRLGIFWVSC EAGTYIRTLC VHLGLLLGVG GQMQELRRVR SGVMSEKDHM VTMHDVLDAQ WLYDNHKDES YLRRVVYPLE KLLTSHKRLV MKDSAVNAIC YGAKIMLPGV LRYEDGIEVN QEIVVITTKG EAICMAIALM TTAVISTCDH GIVAKIKRVI MERDTYPRKW GLGPKASQKK LMIKQGLLDK HGKPTDSTPA TWKQEYVDYS ESAKKEVVAE VVKAPQVVAE AAKTAKRKRE SESESDETPP AAPQLIKKEK KKSKKDKKAK AGLESGAEPG DGDSDTTKKK KKKKKAKEVE LVSE
This gene is a member of the H/ACA snoRNPs gene family. snoRNPs are involved in various aspects of rRNA processing and modification and have been classified into two families: C/D and H/ACA. The H/ACA snoRNPs also include the NOLA1, 2 and 3 proteins. The protein encoded by this gene and the three NOLA proteins localize to the dense fibrillar components of nucleoli and to coiled bodies in the nucleus. Both 18S rRNA production and rRNA pseudouridylation are impaired if any one of the four proteins is depleted. These four H/ACA snoRNP proteins are also components of the telomerase complex. The protein encoded by this gene is related to the Saccharomyces cerevisiae Cbf5p and Drosophila melanogaster Nop60B proteins. The gene lies in a tail-to-tail orientation with the palmitoylated erythrocyte membrane protein gene and is transcribed in a telomere to centromere direction. Both nucleotide substitutions and single trinucleotide repeat polymorphisms have been found in this gene. Mutations in this gene cause X-linked dyskeratosis congenita, a disease resulting in reticulate skin pigmentation, mucosal leukoplakia, nail dystrophy, and progressive bone marrow failure in most cases. Mutations in this gene also cause Hoyeraal-Hreidarsson syndrome, which is a more severe form of dyskeratosis congenita. Two transcript variants encoding different isoforms have been found for this gene.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: CBF5 homolog; dyskeratosis congenita 1, dyskerin; Dyskerin; H/ACA ribonucleoprotein complex subunit DKC1; Nopp140-associated protein of 57 kDa; Nucleolar protein family A member 4; Nucleolar protein NAP57; snoRNP protein DKC1
Gene Aliases: CBF5; DKC; DKC1; DKCX; NAP57; NOLA4; XAP101
UniProt ID: (Human) O60832
Entrez Gene ID: (Human) 1736