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Entry version 147 (13 Feb 2019)
Sequence version 2 (01 Dec 2000)
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Protein

Lysozyme X

Gene

LysX

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

Annotation score:4 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

Unlikely to play an active role in the humoral immune defense. May have a function in the digestion of bacteria in the food. May be involved in the clearance of bacteria from the larval gut before metamorphosis.

<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 (1->4)-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in a peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrins. EC:3.2.1.17

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Function’ 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 sitei51PROSITE-ProRule annotation1
Active sitei69PROSITE-ProRule annotation1

<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

  • lysozyme activity Source: FlyBase

GO - Biological processi

<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 functionAntimicrobial, Bacteriolytic enzyme, Glycosidase, Hydrolase

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-DME-6798695 Neutrophil degranulation
R-DME-6803157 Antimicrobial peptides

Protein family/group databases

Carbohydrate-Active enZymes

More...
CAZyi
GH22 Glycoside Hydrolase Family 22

<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:
Lysozyme X (EC:3.2.1.17)
Alternative name(s):
1,4-beta-N-acetylmuramidase X
<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:LysX
ORF Names:CG9120
<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 3L

Organism-specific databases

Drosophila genome database

More...
FlyBasei
FBgn0004431 LysX

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte & Seán O’Donoghue; Source: COMPARTMENTS

<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_000001851620 – 142Lysozyme XAdd BLAST123

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the PTM / Processing":/help/ptm_processing_section section describes the positions of cysteine residues participating in disulfide bonds.<p><a href='/help/disulfid' target='_top'>More...</a></p>Disulfide bondi25 ↔ 140PROSITE-ProRule annotation
Disulfide bondi46 ↔ 130PROSITE-ProRule annotation
Disulfide bondi81 ↔ 97PROSITE-ProRule annotation
Disulfide bondi93 ↔ 111PROSITE-ProRule annotation

Keywords - PTMi

Disulfide bond

Proteomic databases

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

More...
PaxDbi
P37161

PRoteomics IDEntifications database

More...
PRIDEi
P37161

<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 a gene at the mRNA or protein level in cells or in tissues of multicellular organisms. By default, the information is derived from experiments at the mRNA level, unless specified ‘at protein level’. <br></br>Examples: <a href="http://www.uniprot.org/uniprot/P92958#expression">P92958</a>, <a href="http://www.uniprot.org/uniprot/Q8TDN4#expression">Q8TDN4</a>, <a href="http://www.uniprot.org/uniprot/O14734#expression">O14734</a><p><a href='/help/tissue_specificity' target='_top'>More...</a></p>Tissue specificityi

Found in the midgut.

<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

Rises dramatically in the late third instar, then decreases gradually during the pupal stages. Low expression is found in adults.

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
FBgn0004431 Expressed in 15 organ(s), highest expression level in larva

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
P37161 differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
P37161 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

The Biological General Repository for Interaction Datasets (BioGrid)

More...
BioGridi
63669, 1 interactor

Database of interacting proteins

More...
DIPi
DIP-24095N

STRING: functional protein association networks

More...
STRINGi
7227.FBpp0072533

<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

Protein Model Portal of the PSI-Nature Structural Biology Knowledgebase

More...
ProteinModelPortali
P37161

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

More...
SMRi
P37161

Database of comparative protein structure models

More...
ModBasei
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
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 22 family.PROSITE-ProRule annotation

Keywords - Domaini

Signal

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG410IXGD Eukaryota
ENOG4111QHM LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000166760

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P37161

KEGG Orthology (KO)

More...
KOi
K01185

Identification of Orthologs from Complete Genome Data

More...
OMAi
SKWACIA

Database of Orthologous Groups

More...
OrthoDBi
1551203at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P37161

Family and domain databases

Conserved Domains Database

More...
CDDi
cd00119 LYZ1, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR001916 Glyco_hydro_22
IPR019799 Glyco_hydro_22_CS
IPR000974 Glyco_hydro_22_lys
IPR023346 Lysozyme-like_dom_sf

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00062 Lys, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00137 LYSOZYME
PR00135 LYZLACT

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00263 LYZ1, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF53955 SSF53955, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00128 LACTALBUMIN_LYSOZYME_1, 1 hit
PS51348 LACTALBUMIN_LYSOZYME_2, 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>.<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.

P37161-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MRALLGICVL ALVTPAVLGR TMDRCSLARE MANMGVSRDQ LSKWACIAEH
60 70 80 90 100
ESSYRTGVVG PPNTDGSNDY GIFQINDMYW CQPSSGKFSH NGCDVSCNAL
110 120 130 140
LTDDIKSSVR CALKVLGQQG WSAWSTWHYC SGYLPPIDDC FV
Length:142
Mass (Da):15,591
Last modified:December 1, 2000 - 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:i2A48035364B995BC
GO

Natural variant

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Sequence’ section describes natural variant(s) of the protein sequence.<p><a href='/help/variant' target='_top'>More...</a></p>Natural varianti6G → T in strain: G140. 1 Publication1
Natural varianti78M → L in strain: Canton-S, G02, G130 and G140. 1 Publication1
Natural varianti94D → G in strain: G130 and G140. 1 Publication1

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
AM412869 Genomic DNA Translation: CAL85492.1
AM412870 Genomic DNA Translation: CAL85493.1
AM412871 Genomic DNA Translation: CAL85494.1
AM412872 Genomic DNA Translation: CAL85495.1
AE014296 Genomic DNA Translation: AAF47445.1
AY119081 mRNA Translation: AAM50941.1
Z22224 mRNA Translation: CAA80226.1

Protein sequence database of the Protein Information Resource

More...
PIRi
S41580

NCBI Reference Sequences

More...
RefSeqi
NP_523881.1, NM_079157.2

UniGene gene-oriented nucleotide sequence clusters

More...
UniGenei
Dm.19201

Genome annotation databases

Ensembl metazoan genome annotation project

More...
EnsemblMetazoai
FBtr0072637; FBpp0072533; FBgn0004431

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
38122

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
dme:Dmel_CG9120

<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
AM412869 Genomic DNA Translation: CAL85492.1
AM412870 Genomic DNA Translation: CAL85493.1
AM412871 Genomic DNA Translation: CAL85494.1
AM412872 Genomic DNA Translation: CAL85495.1
AE014296 Genomic DNA Translation: AAF47445.1
AY119081 mRNA Translation: AAM50941.1
Z22224 mRNA Translation: CAA80226.1
PIRiS41580
RefSeqiNP_523881.1, NM_079157.2
UniGeneiDm.19201

3D structure databases

ProteinModelPortaliP37161
SMRiP37161
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

BioGridi63669, 1 interactor
DIPiDIP-24095N
STRINGi7227.FBpp0072533

Protein family/group databases

CAZyiGH22 Glycoside Hydrolase Family 22

Proteomic databases

PaxDbiP37161
PRIDEiP37161

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblMetazoaiFBtr0072637; FBpp0072533; FBgn0004431
GeneIDi38122
KEGGidme:Dmel_CG9120

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
38122
FlyBaseiFBgn0004431 LysX

Phylogenomic databases

eggNOGiENOG410IXGD Eukaryota
ENOG4111QHM LUCA
GeneTreeiENSGT00940000166760
InParanoidiP37161
KOiK01185
OMAiSKWACIA
OrthoDBi1551203at2759
PhylomeDBiP37161

Enzyme and pathway databases

ReactomeiR-DME-6798695 Neutrophil degranulation
R-DME-6803157 Antimicrobial peptides

Miscellaneous databases

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

More...
GenomeRNAii
38122

Protein Ontology

More...
PROi
PR:P37161

Gene expression databases

BgeeiFBgn0004431 Expressed in 15 organ(s), highest expression level in larva
ExpressionAtlasiP37161 differential
GenevisibleiP37161 DM

Family and domain databases

CDDicd00119 LYZ1, 1 hit
InterProiView protein in InterPro
IPR001916 Glyco_hydro_22
IPR019799 Glyco_hydro_22_CS
IPR000974 Glyco_hydro_22_lys
IPR023346 Lysozyme-like_dom_sf
PfamiView protein in Pfam
PF00062 Lys, 1 hit
PRINTSiPR00137 LYSOZYME
PR00135 LYZLACT
SMARTiView protein in SMART
SM00263 LYZ1, 1 hit
SUPFAMiSSF53955 SSF53955, 1 hit
PROSITEiView protein in PROSITE
PS00128 LACTALBUMIN_LYSOZYME_1, 1 hit
PS51348 LACTALBUMIN_LYSOZYME_2, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
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 nameiLYSX_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: P37161
Secondary accession number(s): A4V9W9
, A4V9X0, A4V9X1, A4V9X2, Q9W0K1
<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: October 1, 1994
Last sequence update: December 1, 2000
Last modified: February 13, 2019
This is version 147 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

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  3. Drosophila
    Drosophila: entries, gene names and cross-references to FlyBase
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