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DKC1_CHICK
ID   DKC1_CHICK              Reviewed;         516 AA.
AC   Q5ZJH9;
DT   07-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   03-AUG-2022, entry version 97.
DE   RecName: Full=H/ACA ribonucleoprotein complex subunit DKC1;
DE            EC=5.4.99.- {ECO:0000250|UniProtKB:O60832};
DE   AltName: Full=Dyskerin;
GN   Name=DKC1; ORFNames=RCJMB04_17p9;
OS   Gallus gallus (Chicken).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC   Coelurosauria; Aves; Neognathae; Galloanserae; Galliformes; Phasianidae;
OC   Phasianinae; Gallus.
OX   NCBI_TaxID=9031;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   STRAIN=CB; TISSUE=Bursa of Fabricius;
RX   PubMed=15642098; DOI=10.1186/gb-2004-6-1-r6;
RA   Caldwell R.B., Kierzek A.M., Arakawa H., Bezzubov Y., Zaim J., Fiedler P.,
RA   Kutter S., Blagodatski A., Kostovska D., Koter M., Plachy J., Carninci P.,
RA   Hayashizaki Y., Buerstedde J.-M.;
RT   "Full-length cDNAs from chicken bursal lymphocytes to facilitate gene
RT   function analysis.";
RL   Genome Biol. 6:R6.1-R6.9(2005).
CC   -!- FUNCTION: Catalytic subunit of H/ACA small nucleolar ribonucleoprotein
CC       (H/ACA snoRNP) complex, which catalyzes pseudouridylation of rRNA. This
CC       involves the isomerization of uridine such that the ribose is
CC       subsequently attached to C5, instead of the normal N1. Each rRNA can
CC       contain up to 100 pseudouridine ('psi') residues, which may serve to
CC       stabilize the conformation of rRNAs. Required for ribosome biogenesis
CC       and telomere maintenance. {ECO:0000250|UniProtKB:O60832}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=uridine in 5S rRNA = pseudouridine in 5S rRNA;
CC         Xref=Rhea:RHEA:47036, Rhea:RHEA-COMP:11730, Rhea:RHEA-COMP:11731,
CC         ChEBI:CHEBI:65314, ChEBI:CHEBI:65315;
CC         Evidence={ECO:0000250|UniProtKB:O60832};
CC   -!- SUBUNIT: Part of the H/ACA small nucleolar ribonucleoprotein (H/ACA
CC       snoRNP) complex, which contains NHP2/NOLA2, GAR1/NOLA1, NOP10/NOLA3,
CC       and DKC1/NOLA4, which is presumed to be the catalytic subunit. The
CC       complex contains a stable core formed by binding of one or two NOP10-
CC       DKC1 heterodimers to NHP2; GAR1 subsequently binds to this core via
CC       DKC1. The complex binds a box H/ACA small nucleolar RNA (snoRNA), which
CC       may target the specific site of modification within the RNA substrate.
CC       {ECO:0000250|UniProtKB:O60832}.
CC   -!- SUBCELLULAR LOCATION: Nucleus, nucleolus
CC       {ECO:0000250|UniProtKB:O60832}. Nucleus, Cajal body
CC       {ECO:0000250|UniProtKB:P40615}. Note=Also localized to Cajal bodies
CC       (coiled bodies). {ECO:0000250|UniProtKB:P40615}.
CC   -!- SIMILARITY: Belongs to the pseudouridine synthase TruB family.
CC       {ECO:0000305}.
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DR   EMBL; AJ720455; CAG32114.1; -; mRNA.
DR   RefSeq; NP_001026286.1; NM_001031115.1.
DR   AlphaFoldDB; Q5ZJH9; -.
DR   SMR; Q5ZJH9; -.
DR   STRING; 9031.ENSGALP00000008091; -.
DR   PaxDb; Q5ZJH9; -.
DR   PRIDE; Q5ZJH9; -.
DR   GeneID; 422196; -.
DR   KEGG; gga:422196; -.
DR   CTD; 1736; -.
DR   VEuPathDB; HostDB:geneid_422196; -.
DR   eggNOG; KOG2529; Eukaryota.
DR   InParanoid; Q5ZJH9; -.
DR   OrthoDB; 1070373at2759; -.
DR   PhylomeDB; Q5ZJH9; -.
DR   Reactome; R-GGA-417076; Assembly of telomerase and telomere extension.
DR   PRO; PR:Q5ZJH9; -.
DR   Proteomes; UP000000539; Unplaced.
DR   GO; GO:0031429; C:box H/ACA snoRNP complex; IBA:GO_Central.
DR   GO; GO:0015030; C:Cajal body; IEA:UniProtKB-SubCell.
DR   GO; GO:0005654; C:nucleoplasm; TAS:Reactome.
DR   GO; GO:0005697; C:telomerase holoenzyme complex; ISS:UniProtKB.
DR   GO; GO:0009982; F:pseudouridine synthase activity; ISS:UniProtKB.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0000495; P:box H/ACA RNA 3'-end processing; IBA:GO_Central.
DR   GO; GO:0000455; P:enzyme-directed rRNA pseudouridine synthesis; ISS:UniProtKB.
DR   GO; GO:1990481; P:mRNA pseudouridine synthesis; IBA:GO_Central.
DR   GO; GO:0031118; P:rRNA pseudouridine synthesis; IBA:GO_Central.
DR   GO; GO:0031120; P:snRNA pseudouridine synthesis; IBA:GO_Central.
DR   GO; GO:0007004; P:telomere maintenance via telomerase; ISS:UniProtKB.
DR   Gene3D; 2.30.130.10; -; 1.
DR   InterPro; IPR012960; Dyskerin-like.
DR   InterPro; IPR020103; PsdUridine_synth_cat_dom_sf.
DR   InterPro; IPR002501; PsdUridine_synth_N.
DR   InterPro; IPR002478; PUA.
DR   InterPro; IPR015947; PUA-like_sf.
DR   InterPro; IPR036974; PUA_sf.
DR   InterPro; IPR004802; tRNA_PsdUridine_synth_B_fam.
DR   InterPro; IPR032819; TruB_C.
DR   InterPro; IPR004521; Uncharacterised_CHP00451.
DR   PANTHER; PTHR23127; PTHR23127; 1.
DR   Pfam; PF08068; DKCLD; 1.
DR   Pfam; PF01472; PUA; 1.
DR   Pfam; PF16198; TruB_C_2; 1.
DR   Pfam; PF01509; TruB_N; 1.
DR   SMART; SM01136; DKCLD; 1.
DR   SMART; SM00359; PUA; 1.
DR   SUPFAM; SSF55120; SSF55120; 1.
DR   SUPFAM; SSF88697; SSF88697; 1.
DR   TIGRFAMs; TIGR00425; CBF5; 1.
DR   TIGRFAMs; TIGR00451; unchar_dom_2; 1.
DR   PROSITE; PS50890; PUA; 1.
PE   2: Evidence at transcript level;
KW   Coiled coil; Isomerase; Nucleus; Reference proteome; Ribonucleoprotein;
KW   Ribosome biogenesis; RNA-binding; rRNA processing.
FT   CHAIN           1..516
FT                   /note="H/ACA ribonucleoprotein complex subunit DKC1"
FT                   /id="PRO_0000121986"
FT   DOMAIN          294..369
FT                   /note="PUA"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00161"
FT   REGION          1..24
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          422..516
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COILED          463..516
FT                   /evidence="ECO:0000255"
FT   COMPBIAS        434..449
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        479..499
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        123
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000250|UniProtKB:P60340"
SQ   SEQUENCE   516 AA;  58150 MW;  C42EAF2E4866D9DC CRC64;
     MADGDGSSVK KRRKKDKRSL PDEDVADIQH TEEFLIKPES RVAQLDTSQW PLLLKNFDKL
     NVLTTHYTPL PSGANPLKRE ISDYVRSGFI NLDKPSNPSS HEVVAWIRRI LRVEKTGHSG
     TLDPKVTGCL IVCIERATRL VKSQQSAGKE YVGIVRLHNA IESEAQLARA IETLTGALFQ
     RPPLIAAVKR QLRVRTIYES KLVEYDPERR LGIFWVSCEA GTYIRTLCVH LGLLLGVGGQ
     MQELRRVRSG ILGEMDNMVT MHDVLDAQWQ YDNNKDDSYL RRVILPLEKL LTSHKRLVMK
     DSAVNAICYG AKIMLPGVLR YEDGIELKQE IVVITTKGEA ICLAIALMTT AVISTCDHGV
     VAKIKRVIME RDTYPRKWGL GPKASQKKMM IQKGLLDKHG KPNECTPDSW KKEYVDYRES
     SKKEAAKVPQ AVSEVERAPK RKRESESENE AVSPPPSPAT PPPEELSKKE KKKKKKEKKA
     KEAAESGEEQ VEVISESSAK KKKKKKKQKE VEESSE
 
 
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