ID D0MDF2_RHOM4 Unreviewed; 361 AA.
AC D0MDF2;
DT 15-DEC-2009, integrated into UniProtKB/TrEMBL.
DT 15-DEC-2009, sequence version 1.
DT 27-MAR-2024, entry version 71.
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|ARBA:ARBA00012725, ECO:0000256|HAMAP-Rule:MF_00200};
GN Name=rtcA {ECO:0000256|HAMAP-Rule:MF_00200};
GN OrderedLocusNames=Rmar_0239 {ECO:0000313|EMBL:ACY47145.1};
OS Rhodothermus marinus (strain ATCC 43812 / DSM 4252 / R-10) (Rhodothermus
OS obamensis).
OC Bacteria; Rhodothermota; Rhodothermia; Rhodothermales; Rhodothermaceae;
OC Rhodothermus.
OX NCBI_TaxID=518766 {ECO:0000313|EMBL:ACY47145.1, ECO:0000313|Proteomes:UP000002221};
RN [1] {ECO:0000313|EMBL:ACY47145.1, ECO:0000313|Proteomes:UP000002221}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 43812 / DSM 4252 / R-10
RC {ECO:0000313|Proteomes:UP000002221};
RX PubMed=21304669; DOI=10.4056/sigs.46736;
RA Nolan M., Tindall B.J., Pomrenke H., Lapidus A., Copeland A.,
RA Glavina Del Rio T., Lucas S., Chen F., Tice H., Cheng J.F., Saunders E.,
RA Han C., Bruce D., Goodwin L., Chain P., Pitluck S., Ovchinikova G.,
RA Pati A., Ivanova N., Mavromatis K., Chen A., Palaniappan K., Land M.,
RA Hauser L., Chang Y.J., Jeffries C.D., Brettin T., Goker M., Bristow J.,
RA Eisen J.A., Markowitz V., Hugenholtz P., Kyrpides N.C., Klenk H.P.,
RA Detter J.C.;
RT "Complete genome sequence of Rhodothermus marinus type strain (R-10).";
RL Stand. Genomic Sci. 1:283-291(2009).
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|ARBA:ARBA00024481, ECO:0000256|HAMAP-
CC 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; CP001807; ACY47145.1; -; Genomic_DNA.
DR RefSeq; WP_012842757.1; NC_013501.1.
DR AlphaFoldDB; D0MDF2; -.
DR STRING; 518766.Rmar_0239; -.
DR KEGG; rmr:Rmar_0239; -.
DR eggNOG; COG0430; Bacteria.
DR HOGENOM; CLU_027882_0_0_10; -.
DR OrthoDB; 9789235at2; -.
DR Proteomes; UP000002221; 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 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; 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; 1.
DR SUPFAM; SSF52913; RNA 3'-terminal phosphate cyclase, RPTC, insert domain; 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:UP000002221}.
FT DOMAIN 15..337
FT /note="RNA 3'-terminal phosphate cyclase"
FT /evidence="ECO:0000259|Pfam:PF01137"
FT DOMAIN 188..285
FT /note="RNA 3'-terminal phosphate cyclase insert"
FT /evidence="ECO:0000259|Pfam:PF05189"
FT ACT_SITE 320
FT /note="Tele-AMP-histidine intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00200"
FT BINDING 106
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00200"
FT BINDING 294..298
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00200"
SQ SEQUENCE 361 AA; 39063 MW; 1BCAE45E5A943265 CRC64;
MSTPAPLSLD GSRHSGSGTL VRQAVALAAL VGRPLRLYNV RARRQPPGLR PQHLKAVEAV
AELVDARLEG AEVGSQRLTF VPRRRPRGGT YRWDIGTAGS ATLLVQTVLP VLAFADGPSR
ALIRGGLFQD FAPTYFHLRH ALLPLLHRMG LVARLEMLRP GYVPRGGGEL LLDVTPLQAP
LRPLRLEQQG RPVRVFGVAL ASHLKQRRVA RRMADRCRQR LLEAGLPEPH IETIDDTSAY
QPGAALAVFV ETDTGALLGA DQAGAPGRPS EAIADNVARM LLEDLRSGAT VDRHLADQLI
PYVALADGTS AYHVPEVTDH VASSCWLVEA FFNVTVELQG RRLSVEGTAL QPIPDRTATA
P
//
