Reviewed,
UniProtKB/Swiss-Prot P37160 (LYSS_DROME)
Last modified
June 16, 2009.
Version 74.
History...
Clusters with 100%,
90%,
50% identity |
Documents (3) |
Third-party data |
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Names and origin
| Protein names | Recommended name: Lysozyme S EC=3.2.1.17 Alternative name(s): 1,4-beta-N-acetylmuramidase S | ||||
| Gene names |
| ||||
| Organism | Drosophila melanogaster (Fruit fly) [Complete proteome] | ||||
| Taxonomic identifier | 7227 [NCBI] | ||||
| Taxonomic lineage | Eukaryota › Metazoa › Arthropoda › Hexapoda › Insecta › Pterygota › Neoptera › Endopterygota › Diptera › Brachycera › Muscomorpha › Ephydroidea › Drosophilidae › Drosophila › Sophophora |
Protein attributes
| Sequence length | 140 AA. |
| Sequence status | Complete. |
| Sequence processing | The displayed sequence is further processed into a mature form. |
| Protein existence | Evidence at transcript level. |
General annotation (Comments)
| Function | Unlikely to play an active role in the humoral immune defense. May have a function in the digestion of bacteria in the food. |
| Catalytic activity | 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. |
| Tissue specificity | Found in the midgut, especially the epithelium of the gastric caeca. |
| Developmental stage | Expressed only during the larval stage, the highest level is reached during the third larval instar. |
| Sequence similarities | Belongs to the glycosyl hydrolase 22 family. |
Ontologies
| Keywords | |
|---|---|
| Domain | Signal |
| Molecular function | Antimicrobial Bacteriolytic enzyme Glycosidase Hydrolase |
| PTM | Disulfide bond |
| Technical term | Complete proteome |
| Gene Ontology (GO) | |
| Biological process | cell wall macromolecule catabolic process Inferred from electronic annotation. Source: InterPro cytolysisInferred from electronic annotation. Source: UniProtKB-KW defense response to bacteriumInferred from electronic annotation. Source: UniProtKB-KW |
| Molecular function | lysozyme activity Inferred from electronic annotation. Source: EC |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||||
Molecule processing | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Signal peptide | 1 – 19 | 19 | Potential | ||||||||
| Chain | 20 – 140 | 121 | Lysozyme S | PRO_0000018515 | |||||||
Sites | |||||||||||
| Active site | 51 | 1 | By similarity | ||||||||
| Active site | 69 | 1 | By similarity | ||||||||
Amino acid modifications | |||||||||||
| Disulfide bond | 25 ↔ 139 | By similarity | |||||||||
| Disulfide bond | 46 ↔ 129 | By similarity | |||||||||
| Disulfide bond | 81 ↔ 96 | By similarity | |||||||||
| Disulfide bond | 92 ↔ 110 | By similarity | |||||||||
Experimental info | |||||||||||
| Sequence conflict | 11 – 16 | 6 | AIAAPA → PLPLC in CAA80230. Ref.1 | ||||||||
Sequences
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References
Cross-references
Sequence databases | |
|---|---|
| Z22228 Genomic DNA. Translation: CAA80230.1. AE014296 Genomic DNA. Translation: AAF47453.1. AY119049 mRNA. Translation: AAM50909.1. | |
| PIR | S41579. |
| RefSeq | NP_476829.1. |
| UniGene | Dm.14478 |
3D structure databases | |
| HSSP | HSSP built from PDB template 1QSW based on UniProtKB P00695. |
| SMR | P37160. Positions 20-140. |
| ModBase | Search... |
Protein family/group databases | |
| CAZy | GH22. Glycoside Hydrolase Family 22. |
Genome annotation databases | |
| Ensembl | FBgn0004430. Drosophila melanogaster. [Contig view] |
| GeneID | 38130. |
| KEGG | dme:Dmel_CG1165. |
| NMPDR | fig|7227.3.peg.7493. |
Organism-specific databases | |
| FlyBase | FBgn0004430. LysS. |
Phylogenomic databases | |
| HOGENOM | P37160. |
| OMA | P37160. HESDYRT. |
Enzyme and pathway databases | |
| BioCyc | DMEL-XXX-02:DMEL-XXX-02-014583-MON. |
| BRENDA | 3.2.1.17. 48. |
Gene expression databases | |
| ArrayExpress | P37160. |
| GermOnline | CG1165. Drosophila melanogaster. |
Family and domain databases | |
| InterPro | IPR001916. Glyco_hydro_22. IPR019799. Glyco_hydro_22_CS. IPR000974. Glyco_hydro_22_lys. [Graphical view] |
| Pfam | PF00062. Lys. 1 hit. [Graphical view] |
| PRINTS | PR00137. LYSOZYME. PR00135. LYZLACT. |
| SMART | SM00263. LYZ1. 1 hit. [Graphical view] |
| PROSITE | PS00128. LACTALBUMIN_LYSOZYME_1. 1 hit. PS51348. LACTALBUMIN_LYSOZYME_2. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Other Resources | |
| NextBio | 807115. |
Entry information
| Entry name | LYSS_DROME | ||||||||
| Accession | Primary (citable) accession number: P37160 Secondary accession number(s): Q9W0J3 | ||||||||
| Entry history |
| ||||||||
| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation project | Drosophila annotation project | ||||||||
Relevant documents
| Drosophila Drosophila: entries, gene names and cross-references to FlyBase |
| Glycosyl hydrolases Classification of glycosyl hydrolase families and list of entries |
| SIMILARITY comments Index of protein domains and families |

Clusters with


