ID E3R5G6_9LACO Unreviewed; 187 AA.
AC E3R5G6;
DT 11-JAN-2011, integrated into UniProtKB/TrEMBL.
DT 11-JAN-2011, sequence version 1.
DT 27-MAR-2024, entry version 56.
DE RecName: Full=Signal peptidase I {ECO:0000256|ARBA:ARBA00013208, ECO:0000256|RuleBase:RU362042};
DE EC=3.4.21.89 {ECO:0000256|ARBA:ARBA00013208, ECO:0000256|RuleBase:RU362042};
GN Name=lepB {ECO:0000313|EMBL:EFQ43950.1};
GN ORFNames=LBKG_01567 {ECO:0000313|EMBL:EFQ43950.1};
OS Lactobacillus crispatus CTV-05.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Lactobacillaceae;
OC Lactobacillus.
OX NCBI_TaxID=440496 {ECO:0000313|EMBL:EFQ43950.1, ECO:0000313|Proteomes:UP000005124};
RN [1] {ECO:0000313|EMBL:EFQ43950.1, ECO:0000313|Proteomes:UP000005124}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CTV-05 {ECO:0000313|EMBL:EFQ43950.1,
RC ECO:0000313|Proteomes:UP000005124};
RG The Broad Institute Genome Sequencing Platform;
RG The Broad Institute Genome Sequencing Center for Infectious Disease.;
RA Ward D., Xu Q., Earl A., Liu Y., Feldgarden M., Gevers D., Young S.K.,
RA Zeng Q., Koehrsen M., Alvarado L., Berlin A., Borenstein D., Chapman S.B.,
RA Chen Z., Engels R., Freedman E., Gellesch M., Goldberg J., Griggs A.,
RA Gujja S., Heilman E.R., Heiman D., Howarth C., Jen D., Larson L., Mehta T.,
RA Neiman D., Park D., Pearson M., Richards J., Roberts A., Saif S., Shea T.,
RA Shenoy N., Sisk P., Stolte C., Sykes S., Walk T., White J., Yandava C.,
RA Haas B., Nusbaum C., Birren B.;
RT "The Genome Sequence of Lactobacillus crispatus strain CTV-05.";
RL Submitted (APR-2010) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Cleavage of hydrophobic, N-terminal signal or leader sequences
CC from secreted and periplasmic proteins.; EC=3.4.21.89;
CC Evidence={ECO:0000256|ARBA:ARBA00000677,
CC ECO:0000256|RuleBase:RU362042};
CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000256|ARBA:ARBA00004401};
CC Single-pass type II membrane protein {ECO:0000256|ARBA:ARBA00004401}.
CC Membrane {ECO:0000256|ARBA:ARBA00004606,
CC ECO:0000256|RuleBase:RU362042}; Single-pass type II membrane protein
CC {ECO:0000256|ARBA:ARBA00004606, ECO:0000256|RuleBase:RU362042}.
CC -!- SIMILARITY: Belongs to the peptidase S26 family.
CC {ECO:0000256|ARBA:ARBA00009370, ECO:0000256|RuleBase:RU362042}.
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; GL531741; EFQ43950.1; -; Genomic_DNA.
DR RefSeq; WP_005722374.1; NZ_GL531741.1.
DR AlphaFoldDB; E3R5G6; -.
DR PATRIC; fig|748671.3.peg.1159; -.
DR HOGENOM; CLU_028723_5_0_9; -.
DR Proteomes; UP000005124; Unassembled WGS sequence.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0004252; F:serine-type endopeptidase activity; IEA:UniProtKB-EC.
DR GO; GO:0006465; P:signal peptide processing; IEA:InterPro.
DR CDD; cd06530; S26_SPase_I; 1.
DR Gene3D; 2.10.109.10; Umud Fragment, subunit A; 1.
DR InterPro; IPR036286; LexA/Signal_pep-like_sf.
DR InterPro; IPR000223; Pept_S26A_signal_pept_1.
DR InterPro; IPR019758; Pept_S26A_signal_pept_1_CS.
DR InterPro; IPR019533; Peptidase_S26.
DR NCBIfam; TIGR02227; sigpep_I_bact; 1.
DR PANTHER; PTHR43390:SF1; CHLOROPLAST PROCESSING PEPTIDASE; 1.
DR PANTHER; PTHR43390; SIGNAL PEPTIDASE I; 1.
DR Pfam; PF10502; Peptidase_S26; 1.
DR PRINTS; PR00727; LEADERPTASE.
DR SUPFAM; SSF51306; LexA/Signal peptidase; 1.
DR PROSITE; PS00761; SPASE_I_3; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|RuleBase:RU362042, ECO:0000313|EMBL:EFQ43950.1};
KW Membrane {ECO:0000256|RuleBase:RU362042};
KW Protease {ECO:0000256|RuleBase:RU362042};
KW Transmembrane {ECO:0000256|RuleBase:RU362042};
KW Transmembrane helix {ECO:0000256|RuleBase:RU362042}.
FT TRANSMEM 16..39
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU362042"
FT DOMAIN 19..179
FT /note="Peptidase S26"
FT /evidence="ECO:0000259|Pfam:PF10502"
FT ACT_SITE 48
FT /evidence="ECO:0000256|PIRSR:PIRSR600223-1"
FT ACT_SITE 87
FT /evidence="ECO:0000256|PIRSR:PIRSR600223-1"
SQ SEQUENCE 187 AA; 21833 MW; 073D7526423C1B48 CRC64;
MVETKKRNDD ESIGRFVLDI IIMFAILMGI YYFIFSFFLS NETVSGPSMQ PTFENGDRLI
AVRHFTPKRN DIVILKAPDQ KGALYIKRII GTPGDMVTSK NDKLYINGKQ IAEPYLNNGY
QRKSHKLGEL YTNNFTLKKR VPKDSYFVMG DHRDVSKDSR YFGFVKRSAL VGRVVFRYWP
FTQWKTF
//
