ID F0TB61_METLA Unreviewed; 337 AA.
AC F0TB61;
DT 03-MAY-2011, integrated into UniProtKB/TrEMBL.
DT 03-MAY-2011, sequence version 1.
DT 27-MAR-2024, entry version 65.
DE RecName: Full=RNA 3'-terminal phosphate cyclase {ECO:0000256|ARBA:ARBA00021428, ECO:0000256|HAMAP-Rule:MF_00200};
DE Short=RNA cyclase {ECO:0000256|HAMAP-Rule:MF_00200};
DE Short=RNA-3'-phosphate cyclase {ECO:0000256|HAMAP-Rule:MF_00200};
DE EC=6.5.1.4 {ECO:0000256|HAMAP-Rule:MF_00200};
GN Name=rtcA {ECO:0000256|HAMAP-Rule:MF_00200};
GN OrderedLocusNames=Metbo_0761 {ECO:0000313|EMBL:ADZ09012.1};
OS Methanobacterium lacus (strain AL-21).
OC Archaea; Euryarchaeota; Methanomada group; Methanobacteria;
OC Methanobacteriales; Methanobacteriaceae; Methanobacterium.
OX NCBI_TaxID=877455 {ECO:0000313|EMBL:ADZ09012.1, ECO:0000313|Proteomes:UP000007490};
RN [1] {ECO:0000313|Proteomes:UP000007490}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AL-21 {ECO:0000313|Proteomes:UP000007490};
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA Chertkov O., Detter J.C., Han C., Tapia R., Land M., Hauser L.,
RA Kyrpides N., Ivanova N., Mikhailova N., Pagani I., Cadillo-Quiroz H.,
RA Imachi H., Zinder S., Liu W., Woyke T.;
RT "Complete sequence of Methanobacterium sp. AL-21.";
RL Submitted (FEB-2011) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ADZ09012.1, ECO:0000313|Proteomes:UP000007490}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AL-21 {ECO:0000313|EMBL:ADZ09012.1,
RC ECO:0000313|Proteomes:UP000007490};
RX PubMed=24449792; DOI=10.1099/ijs.0.059964-0;
RA Cadillo-Quiroz H., Brauer S.L., Goodson N., Yavitt J.B., Zinder S.H.;
RT "Methanobacterium paludis sp. nov. and a novel strain of Methanobacterium
RT lacus isolated from northern peatlands.";
RL Int. J. Syst. Evol. Microbiol. 64:1473-1480(2014).
CC -!- FUNCTION: Catalyzes the conversion of 3'-phosphate to a 2',3'-cyclic
CC phosphodiester at the end of RNA. The mechanism of action of the enzyme
CC occurs in 3 steps: (A) adenylation of the enzyme by ATP; (B) transfer
CC of adenylate to an RNA-N3'P to produce RNA-N3'PP5'A; (C) and attack of
CC the adjacent 2'-hydroxyl on the 3'-phosphorus in the diester linkage to
CC produce the cyclic end product. The biological role of this enzyme is
CC unknown but it is likely to function in some aspects of cellular RNA
CC processing. {ECO:0000256|HAMAP-Rule:MF_00200}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 3'-end 3'-phospho-ribonucleotide-RNA + ATP = a 3'-end 2',3'-
CC cyclophospho-ribonucleotide-RNA + AMP + diphosphate;
CC Xref=Rhea:RHEA:23976, Rhea:RHEA-COMP:10463, Rhea:RHEA-COMP:10464,
CC ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:83062,
CC ChEBI:CHEBI:83064, ChEBI:CHEBI:456215; EC=6.5.1.4;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00200};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00200}.
CC -!- SIMILARITY: Belongs to the RNA 3'-terminal cyclase family. Type 1
CC subfamily. {ECO:0000256|ARBA:ARBA00009206, ECO:0000256|HAMAP-
CC Rule:MF_00200}.
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DR EMBL; CP002551; ADZ09012.1; -; Genomic_DNA.
DR RefSeq; WP_013644363.1; NC_015216.1.
DR AlphaFoldDB; F0TB61; -.
DR STRING; 877455.Metbo_0761; -.
DR GeneID; 10277209; -.
DR KEGG; mel:Metbo_0761; -.
DR eggNOG; arCOG04125; Archaea.
DR HOGENOM; CLU_027882_0_0_2; -.
DR Proteomes; UP000007490; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0003963; F:RNA-3'-phosphate cyclase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006396; P:RNA processing; IEA:InterPro.
DR CDD; cd00874; RNA_Cyclase_Class_II; 1.
DR Gene3D; 3.65.10.20; RNA 3'-terminal phosphate cyclase domain; 1.
DR Gene3D; 3.30.360.20; RNA 3'-terminal phosphate cyclase, insert domain; 1.
DR HAMAP; MF_00200; RTC; 1.
DR InterPro; IPR013791; RNA3'-term_phos_cycl_insert.
DR InterPro; IPR023797; RNA3'_phos_cyclase_dom.
DR InterPro; IPR037136; RNA3'_phos_cyclase_dom_sf.
DR InterPro; IPR000228; RNA3'_term_phos_cyc.
DR InterPro; IPR017770; RNA3'_term_phos_cyc_type_1.
DR InterPro; IPR020719; RNA3'_term_phos_cycl-like_CS.
DR InterPro; IPR013792; RNA3'P_cycl/enolpyr_Trfase_a/b.
DR InterPro; IPR036553; RPTC_insert.
DR NCBIfam; TIGR03399; RNA_3prim_cycl; 1.
DR PANTHER; PTHR11096; RNA 3' TERMINAL PHOSPHATE CYCLASE; 1.
DR PANTHER; PTHR11096:SF0; RNA 3'-TERMINAL PHOSPHATE CYCLASE; 1.
DR Pfam; PF01137; RTC; 1.
DR Pfam; PF05189; RTC_insert; 1.
DR PIRSF; PIRSF005378; RNA3'_term_phos_cycl_euk; 1.
DR SUPFAM; SSF55205; EPT/RTPC-like; 2.
DR PROSITE; PS01287; RTC; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|HAMAP-Rule:MF_00200};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00200};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_00200};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00200}; Reference proteome {ECO:0000313|Proteomes:UP000007490}.
FT DOMAIN 8..324
FT /note="RNA 3'-terminal phosphate cyclase"
FT /evidence="ECO:0000259|Pfam:PF01137"
FT DOMAIN 184..273
FT /note="RNA 3'-terminal phosphate cyclase insert"
FT /evidence="ECO:0000259|Pfam:PF05189"
FT ACT_SITE 306
FT /note="Tele-AMP-histidine intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00200"
FT BINDING 99
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00200"
FT BINDING 281..285
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00200"
SQ SEQUENCE 337 AA; 35804 MW; 6BDD4EA3856108D1 CRC64;
MEIDGSRGEG GGAVLRIATG LSALTSKPVK IYNIRSKRPK PGLMPQHLNS VKAVAELSDA
NLSGLKIGST ELSFQPGKLK PGNYDIDIKT AGSISLILQA FMIPAAFTGG PVKITIKGGT
DLRWSPSIDY LQNITLPILN TMGYKADTQV LRRGHYPKGG GILEVTIYPI SSLKPVNIIE
SNFNAVKGIS HAVNLPEHVA IRQARSAEVM IKNAGYDINV DIEHDDNSFG SGSGILLWTD
GTIPLGGSSI GERGKKAEVV GLDAAKDLLE QISGNSALDS HMGDQIIPYL FIAGNSSITT
SKLTQHTLTN IDVASQFINR DVQVDGKLGK PALITVK
//
