ID A0A3Q9G3I2_9ACTO Unreviewed; 495 AA.
AC A0A3Q9G3I2;
DT 10-APR-2019, integrated into UniProtKB/TrEMBL.
DT 10-APR-2019, sequence version 1.
DT 24-JAN-2024, entry version 16.
DE RecName: Full=Probable cytosol aminopeptidase {ECO:0000256|HAMAP-Rule:MF_00181};
DE EC=3.4.11.1 {ECO:0000256|HAMAP-Rule:MF_00181};
DE AltName: Full=Leucine aminopeptidase {ECO:0000256|HAMAP-Rule:MF_00181};
DE Short=LAP {ECO:0000256|HAMAP-Rule:MF_00181};
DE EC=3.4.11.10 {ECO:0000256|HAMAP-Rule:MF_00181};
DE AltName: Full=Leucyl aminopeptidase {ECO:0000256|HAMAP-Rule:MF_00181};
GN Name=pepA {ECO:0000256|HAMAP-Rule:MF_00181};
GN ORFNames=EJ997_02260 {ECO:0000313|EMBL:AZQ78100.1};
OS Flaviflexus ciconiae.
OC Bacteria; Actinomycetota; Actinomycetes; Actinomycetales; Actinomycetaceae;
OC Flaviflexus.
OX NCBI_TaxID=2496867 {ECO:0000313|EMBL:AZQ78100.1, ECO:0000313|Proteomes:UP000280344};
RN [1] {ECO:0000313|EMBL:AZQ78100.1, ECO:0000313|Proteomes:UP000280344}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=H23T48 {ECO:0000313|EMBL:AZQ78100.1,
RC ECO:0000313|Proteomes:UP000280344};
RA Bae J.-W., Lee J.-Y.;
RT "Complete genome sequence of Flaviflexus sp. H23T48.";
RL Submitted (DEC-2018) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Presumably involved in the processing and regular turnover of
CC intracellular proteins. Catalyzes the removal of unsubstituted N-
CC terminal amino acids from various peptides. {ECO:0000256|HAMAP-
CC Rule:MF_00181}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Release of an N-terminal amino acid, Xaa-|-Yaa-, in which Xaa
CC is preferably Leu, but may be other amino acids including Pro
CC although not Arg or Lys, and Yaa may be Pro. Amino acid amides and
CC methyl esters are also readily hydrolyzed, but rates on arylamides
CC are exceedingly low.; EC=3.4.11.1;
CC Evidence={ECO:0000256|ARBA:ARBA00000135, ECO:0000256|HAMAP-
CC Rule:MF_00181};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Release of an N-terminal amino acid, preferentially leucine,
CC but not glutamic or aspartic acids.; EC=3.4.11.10;
CC Evidence={ECO:0000256|ARBA:ARBA00000967, ECO:0000256|HAMAP-
CC Rule:MF_00181};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00181};
CC Note=Binds 2 manganese ions per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_00181};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00181}.
CC -!- SIMILARITY: Belongs to the peptidase M17 family.
CC {ECO:0000256|ARBA:ARBA00009528, ECO:0000256|HAMAP-Rule:MF_00181}.
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DR EMBL; CP034593; AZQ78100.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A3Q9G3I2; -.
DR KEGG; flh:EJ997_02260; -.
DR OrthoDB; 9809354at2; -.
DR Proteomes; UP000280344; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0030145; F:manganese ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0070006; F:metalloaminopeptidase activity; IEA:InterPro.
DR GO; GO:0006508; P:proteolysis; IEA:UniProtKB-KW.
DR CDD; cd00433; Peptidase_M17; 1.
DR Gene3D; 3.40.220.10; Leucine Aminopeptidase, subunit E, domain 1; 1.
DR Gene3D; 3.40.630.10; Zn peptidases; 1.
DR HAMAP; MF_00181; Cytosol_peptidase_M17; 1.
DR InterPro; IPR011356; Leucine_aapep/pepB.
DR InterPro; IPR043472; Macro_dom-like.
DR InterPro; IPR000819; Peptidase_M17_C.
DR InterPro; IPR023042; Peptidase_M17_leu_NH2_pept.
DR InterPro; IPR008283; Peptidase_M17_N.
DR PANTHER; PTHR11963:SF23; CYTOSOL AMINOPEPTIDASE; 1.
DR PANTHER; PTHR11963; LEUCINE AMINOPEPTIDASE-RELATED; 1.
DR Pfam; PF00883; Peptidase_M17; 1.
DR Pfam; PF02789; Peptidase_M17_N; 1.
DR PRINTS; PR00481; LAMNOPPTDASE.
DR SUPFAM; SSF52949; Macro domain-like; 1.
DR SUPFAM; SSF53187; Zn-dependent exopeptidases; 1.
DR PROSITE; PS00631; CYTOSOL_AP; 1.
PE 3: Inferred from homology;
KW Aminopeptidase {ECO:0000256|ARBA:ARBA00022438, ECO:0000256|HAMAP-
KW Rule:MF_00181}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00181};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_00181};
KW Manganese {ECO:0000256|HAMAP-Rule:MF_00181};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_00181};
KW Protease {ECO:0000256|ARBA:ARBA00022670, ECO:0000256|HAMAP-Rule:MF_00181};
KW Reference proteome {ECO:0000313|Proteomes:UP000280344}.
FT DOMAIN 341..348
FT /note="Cytosol aminopeptidase"
FT /evidence="ECO:0000259|PROSITE:PS00631"
FT ACT_SITE 273
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00181"
FT ACT_SITE 347
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00181"
FT BINDING 261
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00181"
FT BINDING 266
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00181"
FT BINDING 266
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00181"
FT BINDING 284
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00181"
FT BINDING 343
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00181"
FT BINDING 345
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00181"
FT BINDING 345
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00181"
SQ SEQUENCE 495 AA; 51105 MW; C9FC6D4F49EDDC21 CRC64;
MIDVSELNFI QQAPDKTTAN VLVVPVVTGA DGVHAHVADL SKKAVTSLDA LLPTLGVSGK
LGSLTRIPAP SGFSAETIAF VGTGKDADAL EATDLREAFG AAVRGLSHVS HVALAVASDD
PEALYQAGLG GLLGAYTFGD YKVQPAPAEQ ITVVSPAKLK KAEFDALADE AEIVAEAVCE
VRNLVNIPAS DLTPVKFADI AEAYGKSEKS LSVRVWDENE LEKDGFGGIL GVGQGSVNPP
RLVRVEYKAR GAKSTLALVG KGITFDSGGL SIKPAKSMET MKTDMTGAAT VLETVVAASR
LGVKTNLVAW LCLAENMPSG SATRPGDVLT MYSGRTVEVN NTDAEGRLVL GDGLARAVEE
KPDAVIDVAT LTGAQIVALG GRISGVMGTD ETRNEIIEAA DAAGEDMWPM PLPDHLKSGF
DSLVADTKNS GGRGGGMLSA GLFLAEFVGD TPWAHIDIAG PSFNEEGPFG STPKGGTGVA
VQTLLAWIES HTAEA
//