ID C2E6Q4_LACJH Unreviewed; 197 AA.
AC C2E6Q4;
DT 16-JUN-2009, integrated into UniProtKB/TrEMBL.
DT 16-JUN-2009, sequence version 1.
DT 27-MAR-2024, entry version 61.
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:EEJ59621.1};
GN ORFNames=HMPREF0528_1428 {ECO:0000313|EMBL:EEJ59621.1};
OS Lactobacillus johnsonii ATCC 33200.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Lactobacillaceae;
OC Lactobacillus.
OX NCBI_TaxID=525330 {ECO:0000313|EMBL:EEJ59621.1, ECO:0000313|Proteomes:UP000003491};
RN [1] {ECO:0000313|EMBL:EEJ59621.1, ECO:0000313|Proteomes:UP000003491}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33200 {ECO:0000313|EMBL:EEJ59621.1,
RC ECO:0000313|Proteomes:UP000003491};
RA Qin X., Bachman B., Battles P., Bell A., Bess C., Bickham C., Chaboub L.,
RA Chen D., Coyle M., Deiros D.R., Dinh H., Forbes L., Fowler G.,
RA Francisco L., Fu Q., Gubbala S., Hale W., Han Y., Hemphill L.,
RA Highlander S.K., Hirani K., Hogues M., Jackson L., Jakkamsetti A.,
RA Javaid M., Jiang H., Korchina V., Kovar C., Lara F., Lee S., Mata R.,
RA Mathew T., Moen C., Morales K., Munidasa M., Nazareth L., Ngo R.,
RA Nguyen L., Okwuonu G., Ongeri F., Patil S., Petrosino J., Pham C., Pham P.,
RA Pu L.-L., Puazo M., Raj R., Reid J., Rouhana J., Saada N., Shang Y.,
RA Simmons D., Thornton R., Warren J., Weissenberger G., Zhang J., Zhang L.,
RA Zhou C., Zhu D., Muzny D., Worley K., Gibbs R.;
RL Submitted (JAN-2009) 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 -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EEJ59621.1}.
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DR EMBL; ACGR01000038; EEJ59621.1; -; Genomic_DNA.
DR PATRIC; fig|525330.7.peg.221; -.
DR HOGENOM; CLU_028723_5_0_9; -.
DR Proteomes; UP000003491; 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:EEJ59621.1};
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 20..46
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU362042"
FT DOMAIN 26..189
FT /note="Peptidase S26"
FT /evidence="ECO:0000259|Pfam:PF10502"
FT ACT_SITE 55
FT /evidence="ECO:0000256|PIRSR:PIRSR600223-1"
FT ACT_SITE 94
FT /evidence="ECO:0000256|PIRSR:PIRSR600223-1"
SQ SEQUENCE 197 AA; 22859 MW; AFFA1D6B7E510D76 CRC64;
MQKLRSKNMA KHKTKSAESF GHWLLQVFIL AIIIIGLYLV VFRFLLANET ISGPSMQPTF
ENNDRVIAVR HSKLSRGDIV ILKAPDEPGA LYIKRIIGVP GDSIKSKNDV MYINGKSIKE
PYLTEYKKKL SKGQLYTNNF SLEQLYHVKR VPKNCYFVMG DHRNVSKDSR MIGFIKRQDI
IGEVKLRYFP FNQINWY
//
