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Database: UniProt
Entry: F0LM13_THEBM
LinkDB: F0LM13_THEBM
Original site: F0LM13_THEBM 
ID   F0LM13_THEBM            Unreviewed;       452 AA.
AC   F0LM13;
DT   03-MAY-2011, integrated into UniProtKB/TrEMBL.
DT   03-MAY-2011, sequence version 1.
DT   24-JAN-2024, entry version 60.
DE   RecName: Full=CCA-adding enzyme {ECO:0000256|HAMAP-Rule:MF_01264};
DE            EC=2.7.7.72 {ECO:0000256|HAMAP-Rule:MF_01264};
DE   AltName: Full=CCA tRNA nucleotidyltransferase {ECO:0000256|HAMAP-Rule:MF_01264};
DE   AltName: Full=tRNA CCA-pyrophosphorylase {ECO:0000256|HAMAP-Rule:MF_01264};
DE   AltName: Full=tRNA adenylyl-/cytidylyl- transferase {ECO:0000256|HAMAP-Rule:MF_01264};
DE   AltName: Full=tRNA nucleotidyltransferase {ECO:0000256|HAMAP-Rule:MF_01264};
DE   AltName: Full=tRNA-NT {ECO:0000256|HAMAP-Rule:MF_01264};
GN   Name=cca {ECO:0000256|HAMAP-Rule:MF_01264};
GN   OrderedLocusNames=TERMP_02138 {ECO:0000313|EMBL:ADT85112.1};
OS   Thermococcus barophilus (strain DSM 11836 / MP).
OC   Archaea; Euryarchaeota; Thermococci; Thermococcales; Thermococcaceae;
OC   Thermococcus.
OX   NCBI_TaxID=391623 {ECO:0000313|EMBL:ADT85112.1, ECO:0000313|Proteomes:UP000007478};
RN   [1] {ECO:0000313|EMBL:ADT85112.1, ECO:0000313|Proteomes:UP000007478}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 11836 / MP {ECO:0000313|Proteomes:UP000007478};
RX   PubMed=21217005; DOI=10.1128/JB.01490-10;
RA   Vannier P., Marteinsson V.T., Fridjonsson O.H., Oger P., Jebbar M.;
RT   "Complete genome sequence of the hyperthermophilic, piezophilic,
RT   heterotrophic, and carboxydotrophic archaeon Thermococcus barophilus MP.";
RL   J. Bacteriol. 193:1481-1482(2011).
CC   -!- FUNCTION: Catalyzes the addition and repair of the essential 3'-
CC       terminal CCA sequence in tRNAs without using a nucleic acid template.
CC       Adds these three nucleotides in the order of C, C, and A to the tRNA
CC       nucleotide-73, using CTP and ATP as substrates and producing inorganic
CC       pyrophosphate. tRNA 3'-terminal CCA addition is required both for tRNA
CC       processing and repair. Also involved in tRNA surveillance by mediating
CC       tandem CCA addition to generate a CCACCA at the 3' terminus of unstable
CC       tRNAs. While stable tRNAs receive only 3'-terminal CCA, unstable tRNAs
CC       are marked with CCACCA and rapidly degraded. {ECO:0000256|HAMAP-
CC       Rule:MF_01264}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a tRNA precursor + ATP + 2 CTP = a tRNA with a 3' CCA end + 3
CC         diphosphate; Xref=Rhea:RHEA:14433, Rhea:RHEA-COMP:10465, Rhea:RHEA-
CC         COMP:10468, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:37563,
CC         ChEBI:CHEBI:74896, ChEBI:CHEBI:83071; EC=2.7.7.72;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01264};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a tRNA with a 3' CCA end + ATP + 2 CTP = a tRNA with a 3'
CC         CCACCA end + 3 diphosphate; Xref=Rhea:RHEA:76235, Rhea:RHEA-
CC         COMP:10468, Rhea:RHEA-COMP:18655, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:37563, ChEBI:CHEBI:83071,
CC         ChEBI:CHEBI:195187; Evidence={ECO:0000256|HAMAP-Rule:MF_01264};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01264};
CC   -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01264}.
CC   -!- MISCELLANEOUS: A single active site specifically recognizes both ATP
CC       and CTP and is responsible for their addition. {ECO:0000256|HAMAP-
CC       Rule:MF_01264}.
CC   -!- SIMILARITY: Belongs to the tRNA nucleotidyltransferase/poly(A)
CC       polymerase family. Archaeal CCA-adding enzyme subfamily.
CC       {ECO:0000256|HAMAP-Rule:MF_01264}.
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DR   EMBL; CP002372; ADT85112.1; -; Genomic_DNA.
DR   AlphaFoldDB; F0LM13; -.
DR   KEGG; tba:TERMP_02138; -.
DR   PATRIC; fig|391623.17.peg.2135; -.
DR   eggNOG; arCOG04249; Archaea.
DR   HOGENOM; CLU_044679_1_0_2; -.
DR   OMA; YAEHPYI; -.
DR   Proteomes; UP000007478; Chromosome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004810; F:CCA tRNA nucleotidyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0042245; P:RNA repair; IEA:UniProtKB-KW.
DR   GO; GO:0001680; P:tRNA 3'-terminal CCA addition; IEA:UniProtKB-UniRule.
DR   CDD; cd05400; NT_2-5OAS_ClassI-CCAase; 1.
DR   Gene3D; 3.30.70.1550; Archaeal tRNA CCA-adding enzyme catalytic domain; 1.
DR   Gene3D; 3.30.460.10; Beta Polymerase, domain 2; 1.
DR   Gene3D; 1.10.1410.30; CCA tRNA nucleotidyltransferase, domain 2; 1.
DR   Gene3D; 3.30.70.590; Poly(A) polymerase predicted RNA binding domain; 1.
DR   HAMAP; MF_01264; CCA_arch; 1.
DR   InterPro; IPR048833; CAA_C.
DR   InterPro; IPR008229; CCA-adding_arc.
DR   InterPro; IPR042090; CCA_tRNA_nucleotrans_2.
DR   InterPro; IPR006116; NT_2-5OAS_ClassI-CCAase.
DR   InterPro; IPR043519; NT_sf.
DR   InterPro; IPR011068; NuclTrfase_I-like_C.
DR   InterPro; IPR002934; Polymerase_NTP_transf_dom.
DR   InterPro; IPR015329; tRNA_NucTransf2.
DR   NCBIfam; TIGR03671; cca_archaeal; 1.
DR   PANTHER; PTHR39643; CCA-ADDING ENZYME; 1.
DR   PANTHER; PTHR39643:SF1; CCA-ADDING ENZYME; 1.
DR   Pfam; PF21133; CAA_C_arc; 1.
DR   Pfam; PF01909; NTP_transf_2; 1.
DR   Pfam; PF09249; tRNA_NucTransf2; 1.
DR   PIRSF; PIRSF005335; CCA_arch; 1.
DR   SUPFAM; SSF81301; Nucleotidyltransferase; 1.
DR   SUPFAM; SSF55003; PAP/Archaeal CCA-adding enzyme, C-terminal domain; 1.
DR   SUPFAM; SSF81631; PAP/OAS1 substrate-binding domain; 1.
PE   3: Inferred from homology;
KW   ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW   Rule:MF_01264};
KW   Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_01264};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_01264};
KW   Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW   Rule:MF_01264};
KW   Nucleotidyltransferase {ECO:0000256|ARBA:ARBA00022695, ECO:0000256|HAMAP-
KW   Rule:MF_01264}; Reference proteome {ECO:0000313|Proteomes:UP000007478};
KW   RNA repair {ECO:0000256|ARBA:ARBA00022800, ECO:0000256|HAMAP-
KW   Rule:MF_01264};
KW   RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|HAMAP-
KW   Rule:MF_01264};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW   Rule:MF_01264};
KW   tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW   Rule:MF_01264}.
FT   DOMAIN          41..140
FT                   /note="Polymerase nucleotidyl transferase"
FT                   /evidence="ECO:0000259|Pfam:PF01909"
FT   DOMAIN          153..276
FT                   /note="tRNA nucleotidyltransferase substrate binding"
FT                   /evidence="ECO:0000259|Pfam:PF09249"
FT   DOMAIN          294..426
FT                   /note="CCA-adding enzyme C-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF21133"
FT   BINDING         51
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01264"
FT   BINDING         51
FT                   /ligand="CTP"
FT                   /ligand_id="ChEBI:CHEBI:37563"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01264"
FT   BINDING         54
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01264"
FT   BINDING         54
FT                   /ligand="CTP"
FT                   /ligand_id="ChEBI:CHEBI:37563"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01264"
FT   BINDING         63
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01264"
FT   BINDING         65
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01264"
FT   BINDING         117
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01264"
FT   BINDING         140
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01264"
FT   BINDING         140
FT                   /ligand="CTP"
FT                   /ligand_id="ChEBI:CHEBI:37563"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01264"
FT   BINDING         159
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01264"
FT   BINDING         159
FT                   /ligand="CTP"
FT                   /ligand_id="ChEBI:CHEBI:37563"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01264"
FT   BINDING         168
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01264"
FT   BINDING         168
FT                   /ligand="CTP"
FT                   /ligand_id="ChEBI:CHEBI:37563"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01264"
SQ   SEQUENCE   452 AA;  53044 MW;  285A4F79AB29F862 CRC64;
     MKELLNQVLK EIKPSEEERE LVESIKREVE GISKEIIAVF DYDVEPYFVG SLAKDTYLSG
     DHDIDLFLAF PLEVPLSELR EKGLELAKAI GEKLGKYEIA YAEHPYVRAF YRGFKVDLVP
     CYSVRNWRDV RTAVDRSILH TEWVLKHLNG RNDEVRLLKK FFKGINVYGS EIYVKGFSGY
     LTELLIIKYG SFLDVLENHE FMLRQKIIDL EGWLKKEPEV AMKTVKREAD ADVPLIIIDP
     VDPRRNVASA LSWEKFGIFY FKAKQFLEKP SREFFFPRQK QKRDYKKLLR KKETKLVTLL
     FEKPDLIDDL LLPQLEKSAK GFMKALELRG FKVFEAHWGY KNKAFIMLEV DRTEKPRIGI
     KPGPEFFTER GLRFYSKNQK VWIRGKRLYS EKVVEESIVD AIRELLEKNQ VSLGKQIKEH
     ITQADILINF VPPELSDEAY LFLSREKWNL KG
//
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