Skip Header

You are using a version of browser that may not display all the features of this website. Please consider upgrading your browser.
Entry version 160 (11 Dec 2019)
Sequence version 2 (21 Jun 2005)
Previous versions | rss
Help videoAdd a publicationFeedback
Protein

Maltase A3

Gene

Mal-A3

Organism
Drosophila melanogaster (Fruit fly)
Status
Reviewed-Annotation score:

Annotation score:3 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Experimental evidence at transcript leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the ‘protein existence’ evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

  • Hydrolysis of terminal, non-reducing (1->4)-linked alpha-D-glucose residues with release of alpha-D-glucose. EC:3.2.1.20

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section is used for enzymes and indicates the residues directly involved in catalysis.<p><a href='/help/act_site' target='_top'>More...</a></p>Active sitei220NucleophileBy similarity1
Active sitei293Proton donorBy similarity1
<p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections (‘Function’, ‘PTM / Processing’, ‘Pathology and Biotech’) according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei359Transition state stabilizerBy similarity1

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionGlycosidase, Hydrolase

Protein family/group databases

Carbohydrate-Active enZymes

More...
CAZyi
GH13 Glycoside Hydrolase Family 13

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Maltase A3 (EC:3.2.1.20)
Alternative name(s):
Larval visceral protein L
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: ‘Name’, ‘Synonyms’, ‘Ordered locus names’ and ‘ORF names’.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:Mal-A3
Synonyms:LvpL
ORF Names:CG8695
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiDrosophila melanogaster (Fruit fly)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the ‘taxonomic identifier’ or ‘taxid’.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri7227 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiEukaryotaMetazoaEcdysozoaArthropodaHexapodaInsectaPterygotaNeopteraHolometabolaDipteraBrachyceraMuscomorphaEphydroideaDrosophilidaeDrosophilaSophophora
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000000803 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">proteome</a> can consist of several components. <br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome 2R

Organism-specific databases

Drosophila genome database

More...
FlyBasei
FBgn0002571 Mal-A3

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section denotes the presence of an N-terminal signal peptide.<p><a href='/help/signal' target='_top'>More...</a></p>Signal peptidei1 – 19Sequence analysisAdd BLAST19
<p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_000000144820 – 574Maltase A3Add BLAST555

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section specifies the position and type of each covalently attached glycan group (mono-, di-, or polysaccharide).<p><a href='/help/carbohyd' target='_top'>More...</a></p>Glycosylationi120N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi307N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi443N-linked (GlcNAc...) asparagineSequence analysis1

Keywords - PTMi

Glycoprotein

Proteomic databases

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
P07192

PRoteomics IDEntifications database

More...
PRIDEi
P07192

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

<p>This subsection of the ‘Expression’ section provides information on the expression of the gene product at various stages of a cell, tissue or organism development. By default, the information is derived from experiments at the mRNA level, unless specified ‘at the protein level’.<p><a href='/help/developmental_stage' target='_top'>More...</a></p>Developmental stagei

One of the proteins expressed by the 44D cuticle gene cluster. Expressed in first, second and early 3rd instar larvae and in adults, but not in embryos or pupae.1 Publication

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
FBgn0002571 Expressed in 13 organ(s), highest expression level in midgut

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
P07192 DM

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

Protein-protein interaction databases

Protein interaction database and analysis system

More...
IntActi
P07192, 1 interactor

STRING: functional protein association networks

More...
STRINGi
7227.FBpp0087837

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...
SMRi
P07192

Database of comparative protein structure models

More...
ModBasei
Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the glycosyl hydrolase 13 family.Curated

Keywords - Domaini

Signal

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG0471 Eukaryota
COG0366 LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000166852

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P07192

KEGG Orthology (KO)

More...
KOi
K01187

Identification of Orthologs from Complete Genome Data

More...
OMAi
YLHMNAV

Database of Orthologous Groups

More...
OrthoDBi
1384693at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P07192

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR006047 Glyco_hydro_13_cat_dom
IPR017853 Glycoside_hydrolase_SF

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00128 Alpha-amylase, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00642 Aamy, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF51445 SSF51445, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

P07192-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MFKLLVLSCL LALALPSLAE VGWWKTGQFY QIYPRSFKDS DGDGVGDLIG
60 70 80 90 100
ITQQLPYLKE IGITATWLSP IFTSPMADFG YDVADLKGID PIFGTMEDFE
110 120 130 140 150
ALLARAKELD IKIILDFVPN HTSDECDWFI RSAAGEEEYK DFYVWHTGKV
160 170 180 190 200
VNGIRQPPTN WVSVFRGSMW TWNEQRQAYY LHQFHAKQPD LNYRNPKVVE
210 220 230 240 250
AMKDVLRFWL RKGAYGFRID AVPHVYEIPA DADGNWPDEP RNEAVSDPED
260 270 280 290 300
YTYLQHIYTT DQPETLELVY AFRDVIEEID AELGGDDRVL LTEAYSPLEV
310 320 330 340 350
LMQYYGNGTH LGSQIPFNFE LLAKISYSSD AYHYSELIHN WLDNMPEGQV
360 370 380 390 400
ANWVFGNHDQ SRIGSRLGAD RIDACNMIIL GLPGVSVTYQ GEEMGMTDVW
410 420 430 440 450
ISWEDTVDPQ ACQSNEQEFE RLTRDPVRTP FQWSDEVNAG FSNASVTWLP
460 470 480 490 500
VASNYKLVNV KKERGIALSH LNVYKQLRAL RDEPTLKQGD VSVTAIGPNV
510 520 530 540 550
LAFKRSLAGY KSYITLININ DDVESINLDS VFTSITTQLQ YVVVNDKSVR
560 570
RKNDLTFANS VLLLPKEAVV LSTV
Length:574
Mass (Da):65,235
Last modified:June 21, 2005 - v2
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i6CDD5C92868DE098
GO

<p>This subsection of the ‘Sequence’ section reports difference(s) between the protein sequence shown in the UniProtKB entry and other available protein sequences derived from the same gene.<p><a href='/help/sequence_caution' target='_top'>More...</a></p>Sequence cautioni

The sequence CAA23493 differs from that shown. Reason: Erroneous gene model prediction.Curated

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Sequence’ section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti146H → P in CAA23493 (PubMed:6854639).Curated1
Sequence conflicti175Q → E in CAA23493 (PubMed:6854639).Curated1
Sequence conflicti324K → Q in CAA23493 (PubMed:6854639).Curated1
Sequence conflicti553N → S in CAA23493 (PubMed:6854639).Curated1

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

More...
GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
V00204 Genomic DNA Translation: CAA23493.1 Sequence problems.
AE013599 Genomic DNA Translation: AAF59087.2
AY119654 mRNA Translation: AAM50308.1

Protein sequence database of the Protein Information Resource

More...
PIRi
S08598

NCBI Reference Sequences

More...
RefSeqi
NP_476628.2, NM_057280.4

Genome annotation databases

Ensembl metazoan genome annotation project

More...
EnsemblMetazoai
FBtr0088758; FBpp0087837; FBgn0002571

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
35826

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
dme:Dmel_CG8695

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
V00204 Genomic DNA Translation: CAA23493.1 Sequence problems.
AE013599 Genomic DNA Translation: AAF59087.2
AY119654 mRNA Translation: AAM50308.1
PIRiS08598
RefSeqiNP_476628.2, NM_057280.4

3D structure databases

SMRiP07192
ModBaseiSearch...

Protein-protein interaction databases

IntActiP07192, 1 interactor
STRINGi7227.FBpp0087837

Protein family/group databases

CAZyiGH13 Glycoside Hydrolase Family 13

Proteomic databases

PaxDbiP07192
PRIDEiP07192

Genome annotation databases

EnsemblMetazoaiFBtr0088758; FBpp0087837; FBgn0002571
GeneIDi35826
KEGGidme:Dmel_CG8695

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
35826
FlyBaseiFBgn0002571 Mal-A3

Phylogenomic databases

eggNOGiKOG0471 Eukaryota
COG0366 LUCA
GeneTreeiENSGT00940000166852
InParanoidiP07192
KOiK01187
OMAiYLHMNAV
OrthoDBi1384693at2759
PhylomeDBiP07192

Miscellaneous databases

Database of phenotypes from RNA interference screens in Drosophila and Homo sapiens

More...
GenomeRNAii
35826

Protein Ontology

More...
PROi
PR:P07192

Gene expression databases

BgeeiFBgn0002571 Expressed in 13 organ(s), highest expression level in midgut
GenevisibleiP07192 DM

Family and domain databases

InterProiView protein in InterPro
IPR006047 Glyco_hydro_13_cat_dom
IPR017853 Glycoside_hydrolase_SF
PfamiView protein in Pfam
PF00128 Alpha-amylase, 1 hit
SMARTiView protein in SMART
SM00642 Aamy, 1 hit
SUPFAMiSSF51445 SSF51445, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiMAL3_DROME
<p>This subsection of the ‘Entry information’ section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called ‘Primary (citable) accession number’.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: P07192
Secondary accession number(s): Q9V4T8
<p>This subsection of the ‘Entry information’ section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification (‘Last modified’). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: April 1, 1988
Last sequence update: June 21, 2005
Last modified: December 11, 2019
This is version 160 of the entry and version 2 of the sequence. See complete history.
<p>This subsection of the ‘Entry information’ section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programDrosophila annotation project

<p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. Drosophila
    Drosophila: entries, gene names and cross-references to FlyBase
  3. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

We'd like to inform you that we have updated our Privacy Notice to comply with Europe’s new General Data Protection Regulation (GDPR) that applies since 25 May 2018.

Do not show this banner again