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Protein

Lysozyme C

Gene
N/A
Organism
Bufo gargarizans andrewsi (Andrew's toad) (Bufo andrewsi)
Status
Reviewed-Annotation score: Annotation score: 4 out of 5-Experimental evidence at protein leveli

Functioni

Lysozymes have primarily a bacteriolytic function; those in tissues and body fluids are associated with the monocyte-macrophage system and enhance the activity of immunoagents. Has antibacterial activity against the Gram-positive bacterium S.aureus and against the Gram-negative bacterium E.coli with a MIC of 1 µM and 8 µM respectively. No antifungal activity against C.albicans.PROSITE-ProRule annotation1 Publication

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.1 Publication

pH dependencei

Optimum pH is 6.0.1 Publication

Temperature dependencei

Stable from 20 degrees Celsius to 70 degrees Celsius. Activity decreases sharply above 70 degrees Celsius.1 Publication

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei51PROSITE-ProRule annotationBy similarity1
Active sitei69PROSITE-ProRule annotationBy similarity1

GO - Molecular functioni

  • lysozyme activity Source: UniProtKB

GO - Biological processi

  • cytolysis Source: UniProtKB-KW
  • defense response to Gram-negative bacterium Source: UniProtKB
  • defense response to Gram-positive bacterium Source: UniProtKB
  • metabolic process Source: UniProtKB-KW

Keywordsi

Molecular functionAntibiotic, Antimicrobial, Bacteriolytic enzyme, Glycosidase, Hydrolase

Names & Taxonomyi

Protein namesi
Recommended name:
Lysozyme C (EC:3.2.1.17)
Alternative name(s):
1,4-beta-N-acetylmuramidase C
OrganismiBufo gargarizans andrewsi (Andrew's toad) (Bufo andrewsi)
Taxonomic identifieri61428 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiAmphibiaBatrachiaAnuraNeobatrachiaHyloideaBufonidaeBufo

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; Source: COMPARTMENTS

Keywords - Cellular componenti

Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei‹1 – 161 PublicationAdd BLAST›16
ChainiPRO_000027119017 – 146Lysozyme C1 PublicationAdd BLAST130

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Disulfide bondi22 ↔ 144PROSITE-ProRule annotationBy similarity
Disulfide bondi46 ↔ 132PROSITE-ProRule annotationBy similarity
Disulfide bondi81 ↔ 97PROSITE-ProRule annotationBy similarity
Disulfide bondi93 ↔ 111PROSITE-ProRule annotationBy similarity

Keywords - PTMi

Disulfide bond

Proteomic databases

PRIDEiP85045.

Expressioni

Tissue specificityi

Expressed by the skin glands.1 Publication

Structurei

3D structure databases

ProteinModelPortaliP85045.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the glycosyl hydrolase 22 family.PROSITE-ProRule annotation

Keywords - Domaini

Signal

Phylogenomic databases

HOVERGENiHBG052297.

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.
IPR030056. Lysozyme_C.
PANTHERiPTHR11407:SF28. PTHR11407:SF28. 1 hit.
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.

Sequencei

Sequence statusi: Fragment.

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

P85045-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
SGKYISWEDS CSYLQLQKYE RCELAKALKK GGLADFKGYS LENWICTAFH
60 70 80 90 100
ESGYNTASTN YNPPDKSTDY GIFQINSRWW CNDYKTPRSK NTCNIDCKVL
110 120 130 140
LGDDISPAIK CAKRVVSDPN GMGAWVAWKK YCKGKNLSQW TQGCKL
Length:146
Mass (Da):16,608
Last modified:January 9, 2007 - v1
Checksum:i126AA86ED3D01EBB
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Non-terminal residuei11 Publication1

Similar proteinsi

Entry informationi

Entry nameiLYS_BUFGA
AccessioniPrimary (citable) accession number: P85045
Entry historyiIntegrated into UniProtKB/Swiss-Prot: January 9, 2007
Last sequence update: January 9, 2007
Last modified: November 22, 2017
This is version 36 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Direct protein sequencing

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families