AMPA_HELPJ
ID AMPA_HELPJ Reviewed; 496 AA.
AC Q9ZLR1;
DT 01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT 01-MAY-1999, sequence version 1.
DT 03-AUG-2022, entry version 124.
DE RecName: Full=Cytosol aminopeptidase;
DE EC=3.4.11.1;
DE AltName: Full=Leucine aminopeptidase;
DE Short=LAP;
DE EC=3.4.11.10;
DE AltName: Full=Leucyl aminopeptidase;
GN Name=pepA; OrderedLocusNames=jhp_0517;
OS Helicobacter pylori (strain J99 / ATCC 700824) (Campylobacter pylori J99).
OC Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC Helicobacteraceae; Helicobacter.
OX NCBI_TaxID=85963;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=J99 / ATCC 700824;
RX PubMed=9923682; DOI=10.1038/16495;
RA Alm R.A., Ling L.-S.L., Moir D.T., King B.L., Brown E.D., Doig P.C.,
RA Smith D.R., Noonan B., Guild B.C., deJonge B.L., Carmel G., Tummino P.J.,
RA Caruso A., Uria-Nickelsen M., Mills D.M., Ives C., Gibson R., Merberg D.,
RA Mills S.D., Jiang Q., Taylor D.E., Vovis G.F., Trust T.J.;
RT "Genomic sequence comparison of two unrelated isolates of the human gastric
RT pathogen Helicobacter pylori.";
RL Nature 397:176-180(1999).
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 (By similarity).
CC {ECO:0000250}.
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 -!- 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 -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035; Evidence={ECO:0000250};
CC Note=Binds 2 manganese ions per subunit. {ECO:0000250};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the peptidase M17 family. {ECO:0000305}.
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DR EMBL; AE001439; AAD06098.1; -; Genomic_DNA.
DR PIR; F71920; F71920.
DR RefSeq; WP_000912895.1; NC_000921.1.
DR AlphaFoldDB; Q9ZLR1; -.
DR SMR; Q9ZLR1; -.
DR STRING; 85963.jhp_0517; -.
DR MEROPS; M17.016; -.
DR EnsemblBacteria; AAD06098; AAD06098; jhp_0517.
DR KEGG; hpj:jhp_0517; -.
DR eggNOG; COG0260; Bacteria.
DR OMA; MKNTGPR; -.
DR Proteomes; UP000000804; 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; -; 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 PANTHER; PTHR11963; PTHR11963; 1.
DR Pfam; PF00883; Peptidase_M17; 1.
DR PRINTS; PR00481; LAMNOPPTDASE.
DR SUPFAM; SSF52949; SSF52949; 1.
DR PROSITE; PS00631; CYTOSOL_AP; 1.
PE 3: Inferred from homology;
KW Aminopeptidase; Cytoplasm; Hydrolase; Manganese; Metal-binding; Protease.
FT CHAIN 1..496
FT /note="Cytosol aminopeptidase"
FT /id="PRO_0000165761"
FT ACT_SITE 270
FT /evidence="ECO:0000255"
FT ACT_SITE 344
FT /evidence="ECO:0000255"
FT BINDING 258
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000250"
FT BINDING 263
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000250"
FT BINDING 263
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000250"
FT BINDING 281
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000250"
FT BINDING 340
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000250"
FT BINDING 342
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000250"
FT BINDING 342
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000250"
SQ SEQUENCE 496 AA; 54611 MW; 768CCE15200AE0EE CRC64;
MLKIKLEKTT FENAKAECSL VFITNKDFDH VWVKNKKLLE TFKYEGEGAF LDQENKILYV
GVKEDDVHLL RESACLAVRT LKKLAFKSVK VGVYTCDTHA KDNALLENLK ALFLGLKLGL
YEYDTFKPNK KESVLKEVIV ALELHKHCEK TCANSLEKSA KEALKYAEIM TESLNIVRDL
VNTPPMIGTP VYMAEVAQKV AKENHLEIHV HDEKFLEEKK MNAFLAVNKA SLAVNPPRLI
HLVYKPKKAK KKIALVGKGL TYDCGGLSLK PADYMVTMKA DKGGGSAVIG LLNALAKLGV
EAEVHGIIGA TENMIGPAAY KPDDILISKE GKSIEVRNTD AEGRLVLADC LSYAQDLSPD
VIVDFATLTG ACVVGLGEFT SAIMGHNEEL KNLFETSGLE SGELLAKLPF NRHLKKLIES
KIADVCNISS SRYGGAITAG LFLNEFIRDE FKDKWLHIDI AGPAYVEKEW DVNSFGASGA
GVRACTAFVE ELLKKA
