ID RNPA_EXIS2 Reviewed; 116 AA. AC B1YGB0; DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot. DT 20-MAY-2008, sequence version 1. DT 27-MAR-2024, entry version 95. DE RecName: Full=Ribonuclease P protein component {ECO:0000255|HAMAP-Rule:MF_00227}; DE Short=RNase P protein {ECO:0000255|HAMAP-Rule:MF_00227}; DE Short=RNaseP protein {ECO:0000255|HAMAP-Rule:MF_00227}; DE EC=3.1.26.5 {ECO:0000255|HAMAP-Rule:MF_00227}; DE AltName: Full=Protein C5 {ECO:0000255|HAMAP-Rule:MF_00227}; GN Name=rnpA {ECO:0000255|HAMAP-Rule:MF_00227}; GN OrderedLocusNames=Exig_3049; OS Exiguobacterium sibiricum (strain DSM 17290 / CIP 109462 / JCM 13490 / OS 255-15). OC Bacteria; Bacillota; Bacilli; Bacillales; OC Bacillales Family XII. Incertae Sedis; Exiguobacterium. OX NCBI_TaxID=262543; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=DSM 17290 / CIP 109462 / JCM 13490 / 255-15; RG US DOE Joint Genome Institute; RA Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H., RA Bruce D., Goodwin L., Pitluck S., Kiss H., Chertkov O., Monk C., RA Brettin T., Detter J.C., Han C., Kuske C.R., Schmutz J., Larimer F., RA Land M., Hauser L., Kyrpides N., Mikhailova N., Vishnivetskaya T., RA Rodrigues D.F., Gilichinsky D., Tiedje J., Richardson P.; RT "Complete sequence of chromosome of Exiguobacterium sibiricum 255-15."; RL Submitted (APR-2008) to the EMBL/GenBank/DDBJ databases. CC -!- FUNCTION: RNaseP catalyzes the removal of the 5'-leader sequence from CC pre-tRNA to produce the mature 5'-terminus. It can also cleave other CC RNA substrates such as 4.5S RNA. The protein component plays an CC auxiliary but essential role in vivo by binding to the 5'-leader CC sequence and broadening the substrate specificity of the ribozyme. CC {ECO:0000255|HAMAP-Rule:MF_00227}. CC -!- CATALYTIC ACTIVITY: CC Reaction=Endonucleolytic cleavage of RNA, removing 5'-extranucleotides CC from tRNA precursor.; EC=3.1.26.5; Evidence={ECO:0000255|HAMAP- CC Rule:MF_00227}; CC -!- SUBUNIT: Consists of a catalytic RNA component (M1 or rnpB) and a CC protein subunit. {ECO:0000255|HAMAP-Rule:MF_00227}. CC -!- SIMILARITY: Belongs to the RnpA family. {ECO:0000255|HAMAP- CC Rule:MF_00227}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CP001022; ACB62494.1; -; Genomic_DNA. DR RefSeq; WP_012371909.1; NC_010556.1. DR AlphaFoldDB; B1YGB0; -. DR SMR; B1YGB0; -. DR STRING; 262543.Exig_3049; -. DR KEGG; esi:Exig_3049; -. DR eggNOG; COG0594; Bacteria. DR HOGENOM; CLU_117179_9_1_9; -. DR OrthoDB; 9810867at2; -. DR Proteomes; UP000001681; Chromosome. DR GO; GO:0004526; F:ribonuclease P activity; IEA:UniProtKB-UniRule. DR GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-UniRule. DR GO; GO:0001682; P:tRNA 5'-leader removal; IEA:UniProtKB-UniRule. DR Gene3D; 3.30.230.10; -; 1. DR HAMAP; MF_00227; RNase_P; 1. DR InterPro; IPR020568; Ribosomal_Su5_D2-typ_SF. DR InterPro; IPR014721; Ribsml_uS5_D2-typ_fold_subgr. DR InterPro; IPR000100; RNase_P. DR InterPro; IPR020539; RNase_P_CS. DR NCBIfam; TIGR00188; rnpA; 1. DR PANTHER; PTHR33992; RIBONUCLEASE P PROTEIN COMPONENT; 1. DR PANTHER; PTHR33992:SF1; RIBONUCLEASE P PROTEIN COMPONENT; 1. DR Pfam; PF00825; Ribonuclease_P; 1. DR SUPFAM; SSF54211; Ribosomal protein S5 domain 2-like; 1. DR PROSITE; PS00648; RIBONUCLEASE_P; 1. PE 3: Inferred from homology; KW Endonuclease; Hydrolase; Nuclease; Reference proteome; RNA-binding; KW tRNA processing. FT CHAIN 1..116 FT /note="Ribonuclease P protein component" FT /id="PRO_1000100360" SQ SEQUENCE 116 AA; 13423 MW; 7E46919600C5BB47 CRC64; MKKEYRVKKD KEFQAVFTRG ASVANRQFVV YALKKEQQTH FRIGLSVSKK IGNAVVRNQV KRYVREACQL HEASLAPNYD FVIIARNPAA KMTAQEVADS LRHVFKRSGV WKRQVK //