ID K9TE26_9CYAN Unreviewed; 193 AA.
AC K9TE26;
DT 06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT 06-MAR-2013, sequence version 1.
DT 24-JAN-2024, entry version 45.
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 ORFNames=Oscil6304_0646 {ECO:0000313|EMBL:AFY80386.1};
OS Oscillatoria acuminata PCC 6304.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC Oscillatoriales; Oscillatoriaceae; Oscillatoria.
OX NCBI_TaxID=56110 {ECO:0000313|EMBL:AFY80386.1, ECO:0000313|Proteomes:UP000010367};
RN [1] {ECO:0000313|EMBL:AFY80386.1, ECO:0000313|Proteomes:UP000010367}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 6304 {ECO:0000313|EMBL:AFY80386.1,
RC ECO:0000313|Proteomes:UP000010367};
RG US DOE Joint Genome Institute;
RA Gugger M., Coursin T., Rippka R., Tandeau De Marsac N., Huntemann M.,
RA Wei C.-L., Han J., Detter J.C., Han C., Tapia R., Davenport K.,
RA Daligault H., Erkkila T., Gu W., Munk A.C.C., Teshima H., Xu Y., Chain P.,
RA Chen A., Krypides N., Mavromatis K., Markowitz V., Szeto E., Ivanova N.,
RA Mikhailova N., Ovchinnikova G., Pagani I., Pati A., Goodwin L., Peters L.,
RA Pitluck S., Woyke T., Kerfeld C.;
RT "Finished chromosome of genome of Oscillatoria acuminata PCC 6304.";
RL Submitted (JUN-2012) 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: Membrane {ECO:0000256|RuleBase:RU362042}; Single-
CC pass type II membrane protein {ECO:0000256|RuleBase:RU362042}.
CC -!- SIMILARITY: Belongs to the peptidase S26 family.
CC {ECO:0000256|ARBA:ARBA00009370, ECO:0000256|RuleBase:RU362042}.
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DR EMBL; CP003607; AFY80386.1; -; Genomic_DNA.
DR RefSeq; WP_015147036.1; NC_019693.1.
DR AlphaFoldDB; K9TE26; -.
DR STRING; 56110.Oscil6304_0646; -.
DR MEROPS; S26.008; -.
DR KEGG; oac:Oscil6304_0646; -.
DR PATRIC; fig|56110.3.peg.769; -.
DR eggNOG; COG0681; Bacteria.
DR HOGENOM; CLU_028723_5_1_3; -.
DR InParanoid; K9TE26; -.
DR OrthoDB; 9802919at2; -.
DR Proteomes; UP000010367; Chromosome.
DR GO; GO:0016020; C: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; IPR019756; Pept_S26A_signal_pept_1_Ser-AS.
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; PS00501; SPASE_I_1; 1.
DR PROSITE; PS00761; SPASE_I_3; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|RuleBase:RU362042, ECO:0000313|EMBL:AFY80386.1};
KW Membrane {ECO:0000256|RuleBase:RU362042};
KW Protease {ECO:0000256|ARBA:ARBA00022670, ECO:0000256|RuleBase:RU362042};
KW Reference proteome {ECO:0000313|Proteomes:UP000010367};
KW Transmembrane {ECO:0000256|RuleBase:RU362042};
KW Transmembrane helix {ECO:0000256|RuleBase:RU362042}.
FT TRANSMEM 26..43
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU362042"
FT DOMAIN 24..183
FT /note="Peptidase S26"
FT /evidence="ECO:0000259|Pfam:PF10502"
FT ACT_SITE 53
FT /evidence="ECO:0000256|PIRSR:PIRSR600223-1"
FT ACT_SITE 103
FT /evidence="ECO:0000256|PIRSR:PIRSR600223-1"
SQ SEQUENCE 193 AA; 21886 MW; 776970B6FBA1F655 CRC64;
MTSEKTELKT TAPIESTGWK QLRDNVQILA VALILALGIR AFVAEPRFIP SVSMVPTLEV
GDRIVVEKLS YHWRSPTTGD IIVFDPPEAL QQYGYTKNQA FIKRVIATEG QFVRIHNGQL
YLNDEPLTED YIAEPPDYEW GPQQVPNDTV FVMGDNRNNS NDSHVWGFLP KTNIIGRAVG
RFWPINRIGF LDN
//