ID LSPA_RICAE Reviewed; 201 AA. AC C3PND1; DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot. DT 16-JUN-2009, sequence version 1. DT 27-MAR-2024, entry version 75. DE RecName: Full=Lipoprotein signal peptidase {ECO:0000255|HAMAP-Rule:MF_00161}; DE EC=3.4.23.36 {ECO:0000255|HAMAP-Rule:MF_00161}; DE AltName: Full=Prolipoprotein signal peptidase {ECO:0000255|HAMAP-Rule:MF_00161}; DE AltName: Full=Signal peptidase II {ECO:0000255|HAMAP-Rule:MF_00161}; DE Short=SPase II {ECO:0000255|HAMAP-Rule:MF_00161}; GN Name=lspA {ECO:0000255|HAMAP-Rule:MF_00161}; GN OrderedLocusNames=RAF_ORF0520; OS Rickettsia africae (strain ESF-5). OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rickettsiales; OC Rickettsiaceae; Rickettsieae; Rickettsia; spotted fever group. OX NCBI_TaxID=347255; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ESF-5; RX PubMed=19379498; DOI=10.1186/1471-2164-10-166; RA Fournier P.-E., El Karkouri K., Leroy Q., Robert C., Giumelli B., RA Renesto P., Socolovschi C., Parola P., Audic S., Raoult D.; RT "Analysis of the Rickettsia africae genome reveals that virulence RT acquisition in Rickettsia species may be explained by genome reduction."; RL BMC Genomics 10:166-166(2009). CC -!- FUNCTION: This protein specifically catalyzes the removal of signal CC peptides from prolipoproteins. {ECO:0000255|HAMAP-Rule:MF_00161}. CC -!- CATALYTIC ACTIVITY: CC Reaction=Release of signal peptides from bacterial membrane CC prolipoproteins. Hydrolyzes -Xaa-Yaa-Zaa-|-(S,diacylglyceryl)Cys-, in CC which Xaa is hydrophobic (preferably Leu), and Yaa (Ala or Ser) and CC Zaa (Gly or Ala) have small, neutral side chains.; EC=3.4.23.36; CC Evidence={ECO:0000255|HAMAP-Rule:MF_00161}; CC -!- PATHWAY: Protein modification; lipoprotein biosynthesis (signal peptide CC cleavage). {ECO:0000255|HAMAP-Rule:MF_00161}. CC -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP- CC Rule:MF_00161}; Multi-pass membrane protein {ECO:0000255|HAMAP- CC Rule:MF_00161}. CC -!- SIMILARITY: Belongs to the peptidase A8 family. {ECO:0000255|HAMAP- CC Rule:MF_00161}. 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; CP001612; ACP53441.1; -; Genomic_DNA. DR RefSeq; WP_012719664.1; NC_012633.1. DR AlphaFoldDB; C3PND1; -. DR SMR; C3PND1; -. DR KEGG; raf:RAF_ORF0520; -. DR HOGENOM; CLU_083252_4_3_5; -. DR UniPathway; UPA00665; -. DR Proteomes; UP000002305; Chromosome. DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell. DR GO; GO:0004190; F:aspartic-type endopeptidase activity; IEA:UniProtKB-UniRule. DR GO; GO:0006508; P:proteolysis; IEA:UniProtKB-KW. DR HAMAP; MF_00161; LspA; 1. DR InterPro; IPR001872; Peptidase_A8. DR NCBIfam; TIGR00077; lspA; 1. DR PANTHER; PTHR33695; LIPOPROTEIN SIGNAL PEPTIDASE; 1. DR PANTHER; PTHR33695:SF1; LIPOPROTEIN SIGNAL PEPTIDASE; 1. DR Pfam; PF01252; Peptidase_A8; 1. DR PRINTS; PR00781; LIPOSIGPTASE. DR PROSITE; PS00855; SPASE_II; 1. PE 3: Inferred from homology; KW Aspartyl protease; Cell inner membrane; Cell membrane; Hydrolase; Membrane; KW Protease; Transmembrane; Transmembrane helix. FT CHAIN 1..201 FT /note="Lipoprotein signal peptidase" FT /id="PRO_1000203595" FT TRANSMEM 73..93 FT /note="Helical" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00161" FT TRANSMEM 97..117 FT /note="Helical" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00161" FT TRANSMEM 135..155 FT /note="Helical" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00161" FT ACT_SITE 126 FT /evidence="ECO:0000255|HAMAP-Rule:MF_00161" FT ACT_SITE 144 FT /evidence="ECO:0000255|HAMAP-Rule:MF_00161" SQ SEQUENCE 201 AA; 23483 MW; 00A080A03DA9139D CRC64; MLPLLKKLYL TFARSSRIII TLVIIDQLSK WWFIDNLRWK PDLMLKFTSF LNMVYTWNYG ISFGLMREYY QYSNAIFLIT NTIIVCYLYY LMIRSKTIGS FAGYSFVIGG AVGNLIDRFF RGAVFDFIHF HYQNYSFPVF NLADCFITIG VIILIEDYYS TKKVIEEKAK GNYDNAQIEA MAEKIRNTDK GGNDKIASLQ N //