ID   RNPA_MICLU              Reviewed;         132 AA.
AC   P21172;
DT   01-MAY-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1991, sequence version 1.
DT   25-MAY-2022, entry version 89.
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};
OS   Micrococcus luteus (Micrococcus lysodeikticus).
OC   Bacteria; Actinobacteria; Micrococcales; Micrococcaceae; Micrococcus.
OX   NCBI_TaxID=1270;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2172090; DOI=10.1016/0378-1119(90)90138-h;
RA   Fujita M.Q., Yoshikawa H., Ogasawara N.;
RT   "Structure of the dnaA region of Micrococcus luteus: conservation and
RT   variations among eubacteria.";
RL   Gene 93:73-78(1990).
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}.
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DR   EMBL; M34006; AAA25313.1; -; Genomic_DNA.
DR   PIR; JQ0737; JQ0737.
DR   RefSeq; WP_010079776.1; NZ_NAQZ01000014.1.
DR   AlphaFoldDB; P21172; -.
DR   SMR; P21172; -.
DR   STRING; 1232675.GCA_000309825_00375; -.
DR   PATRIC; fig|1270.31.peg.2364; -.
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_S5_D2-typ_fold.
DR   InterPro; IPR014721; Ribosomal_S5_D2-typ_fold_subgr.
DR   InterPro; IPR000100; RNase_P.
DR   InterPro; IPR020539; RNase_P_CS.
DR   PANTHER; PTHR33992; PTHR33992; 1.
DR   Pfam; PF00825; Ribonuclease_P; 1.
DR   SUPFAM; SSF54211; SSF54211; 1.
DR   TIGRFAMs; TIGR00188; rnpA; 1.
DR   PROSITE; PS00648; RIBONUCLEASE_P; 1.
PE   3: Inferred from homology;
KW   Endonuclease; Hydrolase; Nuclease; RNA-binding; tRNA processing.
FT   CHAIN           1..132
FT                   /note="Ribonuclease P protein component"
FT                   /id="PRO_0000198484"
SQ   SEQUENCE   132 AA;  14408 MW;  E7E29CEA67BFAC13 CRC64;
     MLPRDRRVRT PAEFRHLGRT GTRAGRRTVV VSVATDPDQT RSTSPSAPRP RAGFVVSKAV
     GNAVTRNRVK RRLRAVVAEQ MRLPPLRDLP VLVQVRALPA AAEADYALLR RETVGALGKA
     LKPHLPAASE HA