ID A0A1S3AWF4_CUCME Unreviewed; 402 AA.
AC A0A1S3AWF4;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 24-JAN-2024, entry version 35.
DE RecName: Full=Methionine aminopeptidase {ECO:0000256|RuleBase:RU003653};
DE EC=3.4.11.18 {ECO:0000256|RuleBase:RU003653};
GN Name=LOC103483368 {ECO:0000313|RefSeq:XP_008438188.1};
OS Cucumis melo (Muskmelon).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC rosids; fabids; Cucurbitales; Cucurbitaceae; Benincaseae; Cucumis.
OX NCBI_TaxID=3656 {ECO:0000313|Proteomes:UP000089565, ECO:0000313|RefSeq:XP_008438188.1};
RN [1] {ECO:0000313|Proteomes:UP000089565}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. DHL92 {ECO:0000313|Proteomes:UP000089565};
RX PubMed=22753475; DOI=10.1073/pnas.1205415109;
RA Garcia-Mas J., Benjak A., Sanseverino W., Bourgeois M., Mir G.,
RA Gonzalez V.M., Henaff E., Camara F., Cozzuto L., Lowy E., Alioto T.,
RA Capella-Gutierrez S., Blanca J., Canizares J., Ziarsolo P.,
RA Gonzalez-Ibeas D., Rodriguez-Moreno L., Droege M., Du L.,
RA Alvarez-Tejado M., Lorente-Galdos B., Mele M., Yang L., Weng Y.,
RA Navarro A., Marques-Bonet T., Aranda M.A., Nuez F., Pico B., Gabaldon T.,
RA Roma G., Guigo R., Casacuberta J.M., Arus P., Puigdomenech P.;
RT "The genome of melon (Cucumis melo L.).";
RL Proc. Natl. Acad. Sci. U.S.A. 109:11872-11877(2012).
RN [2] {ECO:0000313|RefSeq:XP_008438188.1}
RP IDENTIFICATION.
RG RefSeq;
RL Submitted (SEP-2023) to UniProtKB.
CC -!- FUNCTION: Cotranslationally removes the N-terminal methionine from
CC nascent proteins. The N-terminal methionine is often cleaved when the
CC second residue in the primary sequence is small and uncharged (Met-
CC Ala-, Cys, Gly, Pro, Ser, Thr, or Val).
CC {ECO:0000256|RuleBase:RU003653}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Release of N-terminal amino acids, preferentially methionine,
CC from peptides and arylamides.; EC=3.4.11.18;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03174,
CC ECO:0000256|RuleBase:RU003653};
CC -!- COFACTOR:
CC Name=Co(2+); Xref=ChEBI:CHEBI:48828;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03174};
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03174};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03174};
CC Name=Fe(2+); Xref=ChEBI:CHEBI:29033;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03174};
CC Note=Binds 2 divalent metal cations per subunit. Has a high-affinity
CC and a low affinity metal-binding site. The true nature of the
CC physiological cofactor is under debate. The enzyme is active with
CC cobalt, zinc, manganese or divalent iron ions. Most likely, methionine
CC aminopeptidases function as mononuclear Fe(2+)-metalloproteases under
CC physiological conditions, and the catalytically relevant metal-binding
CC site has been assigned to the histidine-containing high-affinity site.
CC {ECO:0000256|HAMAP-Rule:MF_03174};
CC -!- SIMILARITY: Belongs to the peptidase M24A family. Methionine
CC aminopeptidase type 1 subfamily. {ECO:0000256|HAMAP-Rule:MF_03174}.
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DR RefSeq; XP_008438188.1; XM_008439966.2.
DR AlphaFoldDB; A0A1S3AWF4; -.
DR GeneID; 103483368; -.
DR KEGG; cmo:103483368; -.
DR eggNOG; KOG2738; Eukaryota.
DR InParanoid; A0A1S3AWF4; -.
DR OrthoDB; 5475502at2759; -.
DR Proteomes; UP000089565; Unplaced.
DR GO; GO:0005737; C:cytoplasm; IEA:EnsemblPlants.
DR GO; GO:0004239; F:initiator methionyl aminopeptidase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0070006; F:metalloaminopeptidase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006508; P:proteolysis; IEA:UniProtKB-KW.
DR CDD; cd01086; MetAP1; 1.
DR Gene3D; 6.10.140.2220; -; 1.
DR Gene3D; 3.90.230.10; Creatinase/methionine aminopeptidase superfamily; 1.
DR HAMAP; MF_01974; MetAP_1; 1.
DR InterPro; IPR036005; Creatinase/aminopeptidase-like.
DR InterPro; IPR000994; Pept_M24.
DR InterPro; IPR001714; Pept_M24_MAP.
DR InterPro; IPR002467; Pept_M24A_MAP1.
DR InterPro; IPR031615; Zfn-C6H2.
DR NCBIfam; TIGR00500; met_pdase_I; 1.
DR PANTHER; PTHR43330; METHIONINE AMINOPEPTIDASE; 1.
DR PANTHER; PTHR43330:SF7; METHIONINE AMINOPEPTIDASE 1; 1.
DR Pfam; PF00557; Peptidase_M24; 1.
DR Pfam; PF15801; zf-C6H2; 1.
DR PRINTS; PR00599; MAPEPTIDASE.
DR SUPFAM; SSF55920; Creatinase/aminopeptidase; 1.
DR SUPFAM; SSF144232; HIT/MYND zinc finger-like; 1.
DR PROSITE; PS00680; MAP_1; 1.
PE 3: Inferred from homology;
KW Aminopeptidase {ECO:0000256|HAMAP-Rule:MF_03174,
KW ECO:0000256|RuleBase:RU003653};
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_03174};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_03174,
KW ECO:0000256|RuleBase:RU003653};
KW Protease {ECO:0000256|HAMAP-Rule:MF_03174, ECO:0000256|RuleBase:RU003653};
KW Reference proteome {ECO:0000313|Proteomes:UP000089565};
KW Zinc {ECO:0000256|ARBA:ARBA00022833};
KW Zinc-finger {ECO:0000256|ARBA:ARBA00022771}.
FT DOMAIN 16..59
FT /note="MYND-like zinc finger"
FT /evidence="ECO:0000259|Pfam:PF15801"
FT DOMAIN 153..381
FT /note="Peptidase M24"
FT /evidence="ECO:0000259|Pfam:PF00557"
FT BINDING 219
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03174"
FT BINDING 236
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03174"
FT BINDING 247
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03174"
FT BINDING 247
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03174"
FT BINDING 310
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03174"
FT BINDING 317
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03174"
FT BINDING 343
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03174"
FT BINDING 374
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03174"
FT BINDING 374
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03174"
SQ SEQUENCE 402 AA; 44606 MW; E180539A7BC0A651 CRC64;
MAGGSDTAET VTLTCARCGK PSHLQCPKCM DLKLPREGAA FCSQDCFKAS WSTHKAVHLK
AKLSSIGTGN SGEHNSDFAN EGWLYCLKKG QARTPKLPHF DWTGTLRPYP ISSKREVPPH
IDRPDWADDG IPKIEPNSDF QHVVEIKKPD QIEKMREVGR ISREVLDAAA RVIRPGITTD
EIDRVVHEAT IAAGGYPSPL NYHFFPKSCC TSVNEVICHG IPDARKLEDG DIVNVDVTVY
YKGYHGDLNE TYFVGEVDEE SRRLVQCTYE CLEKAIAMVK PGVRFRDVGE VINRHASMSG
LSVVRSYCGH GIGELFHCAP NIPHYGRNKA VGVMKAGQTF TIEPMINAGV WRDRMWPDGW
TAVTADGKRS AQFEHTLLVT ETGVEVLTAR LPTSPKVFPW LN
//