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P0A1X7

- MAP1_SALTI

UniProt

P0A1X7 - MAP1_SALTI

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Protein

Methionine aminopeptidase

Gene

map

Organism
Salmonella typhi
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi

Functioni

Removes the N-terminal methionine from nascent proteins. The N-terminal methionine is often cleaved when the second residue in the primary sequence is small and uncharged (Met-Ala-, Cys, Gly, Pro, Ser, Thr, or Val). Requires deformylation of the N(alpha)-formylated initiator methionine before it can be hydrolyzed.UniRule annotation

Catalytic activityi

Release of N-terminal amino acids, preferentially methionine, from peptides and arylamides.UniRule annotation

Cofactori

Binds 2 divalent metal cations per subunit. Has a high-affinity and a low affinity metal-binding site. The true nature of the physiological cofactor is under debate. The enzyme is active with cobalt, zinc, manganese or divalent iron ions. Most likely, methionine aminopeptidases function as mononuclear Fe2+-metalloproteases under physiological conditions, and the catalytically relevant metal-binding site has been assigned to the histidine-containing high-affinity site.UniRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei79 – 791SubstrateUniRule annotation
Metal bindingi97 – 971Divalent metal cation 1UniRule annotation
Metal bindingi108 – 1081Divalent metal cation 1UniRule annotation
Metal bindingi108 – 1081Divalent metal cation 2; catalyticUniRule annotation
Metal bindingi171 – 1711Divalent metal cation 2; catalytic; via tele nitrogenUniRule annotation
Binding sitei178 – 1781SubstrateUniRule annotation
Metal bindingi204 – 2041Divalent metal cation 2; catalyticUniRule annotation
Metal bindingi235 – 2351Divalent metal cation 1UniRule annotation
Metal bindingi235 – 2351Divalent metal cation 2; catalyticUniRule annotation

GO - Molecular functioni

  1. metal ion binding Source: UniProtKB-HAMAP
  2. metalloaminopeptidase activity Source: UniProtKB-HAMAP

GO - Biological processi

  1. protein initiator methionine removal Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Molecular functioni

Aminopeptidase, Hydrolase, Protease

Keywords - Ligandi

Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Methionine aminopeptidaseUniRule annotation (EC:3.4.11.18UniRule annotation)
Short name:
MAPUniRule annotation
Short name:
MetAPUniRule annotation
Alternative name(s):
Peptidase MUniRule annotation
Gene namesi
Name:mapUniRule annotation
Synonyms:pepM
Ordered Locus Names:STY0238, t0216
OrganismiSalmonella typhi
Taxonomic identifieri90370 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeSalmonella
ProteomesiUP000000541: Chromosome, UP000002670: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11RemovedBy similarity
Chaini2 – 264263Methionine aminopeptidasePRO_0000148951Add
BLAST

Proteomic databases

PRIDEiP0A1X7.

Interactioni

Subunit structurei

Monomer.UniRule annotation

Protein-protein interaction databases

STRINGi220341.STY0238.

Structurei

3D structure databases

ProteinModelPortaliP0A1X7.
SMRiP0A1X7. Positions 2-264.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the peptidase M24A family. Methionine aminopeptidase type 1 subfamily.UniRule annotation

Phylogenomic databases

eggNOGiCOG0024.
HOGENOMiHOG000030427.
KOiK01265.
OMAiEGMCFTI.
OrthoDBiEOG6MWNDS.

Family and domain databases

Gene3Di3.90.230.10. 1 hit.
HAMAPiMF_01974. MetAP_1.
InterProiIPR001714. Pept_M24_MAP.
IPR000994. Pept_M24_structural-domain.
IPR002467. Pept_M24A_MAP1.
[Graphical view]
PfamiPF00557. Peptidase_M24. 1 hit.
[Graphical view]
PRINTSiPR00599. MAPEPTIDASE.
SUPFAMiSSF55920. SSF55920. 1 hit.
TIGRFAMsiTIGR00500. met_pdase_I. 1 hit.
PROSITEiPS00680. MAP_1. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P0A1X7-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MAISIKTSED IEKMRVAGRL AAEVLEMIEP YIKPGVTTGE LDRICNDYIV
60 70 80 90 100
NEQHAISACL GYHGYPKSVC ISINEVVCHG IPDDAKHLKD GDIVNIDVTV
110 120 130 140 150
IKDEFHGDTS KMFIVGKPTI LGERLCRVTQ ESLYLGIKMV KPGIRLRTIG
160 170 180 190 200
AAIQKYAEGE GFSVVREYCG HGIGRGFHEE PQVLHYDADD GGVVLQPGMT
210 220 230 240 250
FTIEPMLNAG DYRIRTMKDG WTVKTKDRSL SAQYEHTIVV TENGCEILTL
260
RKDDTIPAII THDE
Length:264
Mass (Da):29,292
Last modified:January 23, 2007 - v2
Checksum:i8563A54BBE98A860
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AL513382 Genomic DNA. Translation: CAD01369.1.
AE014613 Genomic DNA. Translation: AAO67946.1.
RefSeqiNP_454822.1. NC_003198.1.
NP_804097.1. NC_004631.1.

Genome annotation databases

EnsemblBacteriaiAAO67946; AAO67946; t0216.
CAD01369; CAD01369; CAD01369.
GeneIDi1246727.
KEGGisty:STY0238.
PATRICi18538293. VBISalEnt120419_0238.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AL513382 Genomic DNA. Translation: CAD01369.1 .
AE014613 Genomic DNA. Translation: AAO67946.1 .
RefSeqi NP_454822.1. NC_003198.1.
NP_804097.1. NC_004631.1.

3D structure databases

ProteinModelPortali P0A1X7.
SMRi P0A1X7. Positions 2-264.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 220341.STY0238.

Proteomic databases

PRIDEi P0A1X7.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAO67946 ; AAO67946 ; t0216 .
CAD01369 ; CAD01369 ; CAD01369 .
GeneIDi 1246727.
KEGGi sty:STY0238.
PATRICi 18538293. VBISalEnt120419_0238.

Phylogenomic databases

eggNOGi COG0024.
HOGENOMi HOG000030427.
KOi K01265.
OMAi EGMCFTI.
OrthoDBi EOG6MWNDS.

Family and domain databases

Gene3Di 3.90.230.10. 1 hit.
HAMAPi MF_01974. MetAP_1.
InterProi IPR001714. Pept_M24_MAP.
IPR000994. Pept_M24_structural-domain.
IPR002467. Pept_M24A_MAP1.
[Graphical view ]
Pfami PF00557. Peptidase_M24. 1 hit.
[Graphical view ]
PRINTSi PR00599. MAPEPTIDASE.
SUPFAMi SSF55920. SSF55920. 1 hit.
TIGRFAMsi TIGR00500. met_pdase_I. 1 hit.
PROSITEi PS00680. MAP_1. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: CT18.
  2. "Comparative genomics of Salmonella enterica serovar Typhi strains Ty2 and CT18."
    Deng W., Liou S.-R., Plunkett G. III, Mayhew G.F., Rose D.J., Burland V., Kodoyianni V., Schwartz D.C., Blattner F.R.
    J. Bacteriol. 185:2330-2337(2003) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 700931 / Ty2.

Entry informationi

Entry nameiMAP1_SALTI
AccessioniPrimary (citable) accession number: P0A1X7
Secondary accession number(s): P10882
Entry historyi
Integrated into UniProtKB/Swiss-Prot: March 1, 2005
Last sequence update: January 23, 2007
Last modified: October 1, 2014
This is version 71 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome

Documents

  1. Peptidase families
    Classification of peptidase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3