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CCA_LISIN
ID   CCA_LISIN               Reviewed;         393 AA.
AC   Q92AA3;
DT   16-AUG-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-2001, sequence version 1.
DT   03-AUG-2022, entry version 101.
DE   RecName: Full=CCA-adding enzyme {ECO:0000255|HAMAP-Rule:MF_01263};
DE            EC=2.7.7.72 {ECO:0000255|HAMAP-Rule:MF_01263};
DE   AltName: Full=CCA tRNA nucleotidyltransferase {ECO:0000255|HAMAP-Rule:MF_01263};
DE   AltName: Full=tRNA CCA-pyrophosphorylase {ECO:0000255|HAMAP-Rule:MF_01263};
DE   AltName: Full=tRNA adenylyl-/cytidylyl- transferase {ECO:0000255|HAMAP-Rule:MF_01263};
DE   AltName: Full=tRNA nucleotidyltransferase {ECO:0000255|HAMAP-Rule:MF_01263};
DE   AltName: Full=tRNA-NT {ECO:0000255|HAMAP-Rule:MF_01263};
GN   Name=cca {ECO:0000255|HAMAP-Rule:MF_01263}; OrderedLocusNames=lin2019;
OS   Listeria innocua serovar 6a (strain ATCC BAA-680 / CLIP 11262).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Listeriaceae; Listeria.
OX   NCBI_TaxID=272626;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-680 / CLIP 11262;
RX   PubMed=11679669; DOI=10.1126/science.1063447;
RA   Glaser P., Frangeul L., Buchrieser C., Rusniok C., Amend A., Baquero F.,
RA   Berche P., Bloecker H., Brandt P., Chakraborty T., Charbit A.,
RA   Chetouani F., Couve E., de Daruvar A., Dehoux P., Domann E.,
RA   Dominguez-Bernal G., Duchaud E., Durant L., Dussurget O., Entian K.-D.,
RA   Fsihi H., Garcia-del Portillo F., Garrido P., Gautier L., Goebel W.,
RA   Gomez-Lopez N., Hain T., Hauf J., Jackson D., Jones L.-M., Kaerst U.,
RA   Kreft J., Kuhn M., Kunst F., Kurapkat G., Madueno E., Maitournam A.,
RA   Mata Vicente J., Ng E., Nedjari H., Nordsiek G., Novella S., de Pablos B.,
RA   Perez-Diaz J.-C., Purcell R., Remmel B., Rose M., Schlueter T., Simoes N.,
RA   Tierrez A., Vazquez-Boland J.-A., Voss H., Wehland J., Cossart P.;
RT   "Comparative genomics of Listeria species.";
RL   Science 294:849-852(2001).
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. {ECO:0000255|HAMAP-Rule:MF_01263}.
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:0000255|HAMAP-Rule:MF_01263};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01263};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01263}.
CC   -!- MISCELLANEOUS: A single active site specifically recognizes both ATP
CC       and CTP and is responsible for their addition. {ECO:0000255|HAMAP-
CC       Rule:MF_01263}.
CC   -!- SIMILARITY: Belongs to the tRNA nucleotidyltransferase/poly(A)
CC       polymerase family. Bacterial CCA-adding enzyme type 3 subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01263}.
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DR   EMBL; AL596170; CAC97249.1; -; Genomic_DNA.
DR   PIR; AI1684; AI1684.
DR   RefSeq; WP_010991708.1; NC_003212.1.
DR   AlphaFoldDB; Q92AA3; -.
DR   SMR; Q92AA3; -.
DR   STRING; 272626.lin2019; -.
DR   EnsemblBacteria; CAC97249; CAC97249; CAC97249.
DR   KEGG; lin:cca; -.
DR   eggNOG; COG0617; Bacteria.
DR   HOGENOM; CLU_015961_3_0_9; -.
DR   OMA; MRAVRFM; -.
DR   OrthoDB; 2018439at2; -.
DR   Proteomes; UP000002513; Chromosome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0052929; F:ATP:3'-cytidine-cytidine-tRNA adenylyltransferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0052928; F:CTP:3'-cytidine-tRNA cytidylyltransferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0052927; F:CTP:tRNA cytidylyltransferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0016437; F:tRNA cytidylyltransferase activity; 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; cd05398; NT_ClassII-CCAase; 1.
DR   Gene3D; 3.30.460.10; -; 1.
DR   HAMAP; MF_01263; CCA_bact_type3; 1.
DR   InterPro; IPR032810; CCA-adding_enz_C.
DR   InterPro; IPR023068; CCA-adding_enz_firmicutes.
DR   InterPro; IPR043519; NT_sf.
DR   InterPro; IPR002646; PolA_pol_head_dom.
DR   InterPro; IPR032828; PolyA_RNA-bd.
DR   Pfam; PF01743; PolyA_pol; 1.
DR   Pfam; PF12627; PolyA_pol_RNAbd; 1.
DR   Pfam; PF13735; tRNA_NucTran2_2; 1.
DR   SUPFAM; SSF81301; SSF81301; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Magnesium; Metal-binding; Nucleotide-binding;
KW   Nucleotidyltransferase; RNA repair; RNA-binding; Transferase;
KW   tRNA processing.
FT   CHAIN           1..393
FT                   /note="CCA-adding enzyme"
FT                   /id="PRO_0000139041"
FT   BINDING         27
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
FT   BINDING         27
FT                   /ligand="CTP"
FT                   /ligand_id="ChEBI:CHEBI:37563"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
FT   BINDING         30
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
FT   BINDING         30
FT                   /ligand="CTP"
FT                   /ligand_id="ChEBI:CHEBI:37563"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
FT   BINDING         40
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
FT   BINDING         42
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
FT   BINDING         111
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
FT   BINDING         111
FT                   /ligand="CTP"
FT                   /ligand_id="ChEBI:CHEBI:37563"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
FT   BINDING         154
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
FT   BINDING         154
FT                   /ligand="CTP"
FT                   /ligand_id="ChEBI:CHEBI:37563"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
FT   BINDING         157
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
FT   BINDING         157
FT                   /ligand="CTP"
FT                   /ligand_id="ChEBI:CHEBI:37563"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
FT   BINDING         160
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
FT   BINDING         160
FT                   /ligand="CTP"
FT                   /ligand_id="ChEBI:CHEBI:37563"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
FT   BINDING         163
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
FT   BINDING         163
FT                   /ligand="CTP"
FT                   /ligand_id="ChEBI:CHEBI:37563"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01263"
SQ   SEQUENCE   393 AA;  45164 MW;  35E8731C7F4191D7 CRC64;
     MNDVFLKALP VLQKLTTAGF EAYFVGGSVR DYLLNRPISD VDIATSAFPE EVKEIFQSTY
     DTGIAHGTVT VRENKECYEV TTFRTEGTYE DFRRPSEVTF IRSLEEDLLR RDFTMNAIAM
     DENFKLHDPF SGQLAIQNKE IKAVGKASER FHEDALRMMR AVRFLSQLDF QLDKETETAL
     TNQIALLQHT SVERITVEWI KMIKGQAVKR AIDLLLKVEM ETYLPGFKGE KSALMEFASW
     NWEKRTTETA IWLGLVIAVK PSNITAFLKA WKLPNKTIQL VNKAYEAALN MKETWLTEEL
     YHAQEAVFLL VNEINNIRGQ SDKEDELKKA YELLPIHSKK DLAITGADLL KWTGENAGPW
     VKETLDKVEC QVLLGKINNE KNQIKRWLGY HEE
 
 
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