ID   LYSC3_SHEEP             Reviewed;         147 AA.
AC   Q9TUN1;
DT   27-JAN-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-2000, sequence version 1.
DT   25-MAY-2022, entry version 87.
DE   RecName: Full=Lysozyme C-3;
DE            EC=3.2.1.17;
DE   AltName: Full=1,4-beta-N-acetylmuramidase C;
DE   Flags: Precursor;
OS   Ovis aries (Sheep).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Laurasiatheria; Artiodactyla; Ruminantia; Pecora; Bovidae;
OC   Caprinae; Ovis.
OX   NCBI_TaxID=9940;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=10620405; DOI=10.1006/mpev.1999.0651;
RA   Wen Y., Irwin D.M.;
RT   "Mosaic evolution of ruminant stomach lysozyme genes.";
RL   Mol. Phylogenet. Evol. 13:474-482(1999).
CC   -!- FUNCTION: Lysozymes have primarily a bacteriolytic function; those in
CC       tissues and body fluids are associated with the monocyte-macrophage
CC       system and enhance the activity of immunoagents.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Hydrolysis of (1->4)-beta-linkages between N-acetylmuramic
CC         acid and N-acetyl-D-glucosamine residues in a peptidoglycan and
CC         between N-acetyl-D-glucosamine residues in chitodextrins.;
CC         EC=3.2.1.17;
CC   -!- SUBUNIT: Monomer.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250}.
CC   -!- TISSUE SPECIFICITY: Expressed in stomach.
CC   -!- MISCELLANEOUS: Lysozyme C is capable of both hydrolysis and
CC       transglycosylation; it shows also a slight esterase activity. It acts
CC       rapidly on both peptide-substituted and unsubstituted peptidoglycan,
CC       and slowly on chitin oligosaccharides.
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 22 family.
CC       {ECO:0000255|PROSITE-ProRule:PRU00680}.
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DR   EMBL; AF170559; AAD51637.1; -; Genomic_DNA.
DR   EMBL; AF170556; AAD51637.1; JOINED; Genomic_DNA.
DR   EMBL; AF170557; AAD51637.1; JOINED; Genomic_DNA.
DR   EMBL; AF170558; AAD51637.1; JOINED; Genomic_DNA.
DR   AlphaFoldDB; Q9TUN1; -.
DR   SMR; Q9TUN1; -.
DR   STRING; 9940.ENSOARP00000021953; -.
DR   CAZy; GH22; Glycoside Hydrolase Family 22.
DR   eggNOG; ENOG502S4CB; Eukaryota.
DR   Proteomes; UP000002356; Unplaced.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0003796; F:lysozyme activity; IEA:UniProtKB-EC.
DR   GO; GO:0019835; P:cytolysis; IEA:UniProtKB-KW.
DR   GO; GO:0042742; P:defense response to bacterium; IEA:UniProtKB-KW.
DR   GO; GO:0007586; P:digestion; IEA:UniProtKB-KW.
DR   GO; GO:0008152; P:metabolic process; IEA:UniProtKB-KW.
DR   InterPro; IPR001916; Glyco_hydro_22.
DR   InterPro; IPR019799; Glyco_hydro_22_CS.
DR   InterPro; IPR000974; Glyco_hydro_22_lys.
DR   InterPro; IPR023346; Lysozyme-like_dom_sf.
DR   InterPro; IPR030056; Lysozyme_C.
DR   PANTHER; PTHR11407; PTHR11407; 1.
DR   PANTHER; PTHR11407:SF28; PTHR11407:SF28; 1.
DR   Pfam; PF00062; Lys; 1.
DR   PRINTS; PR00137; LYSOZYME.
DR   PRINTS; PR00135; LYZLACT.
DR   SMART; SM00263; LYZ1; 1.
DR   SUPFAM; SSF53955; SSF53955; 1.
DR   PROSITE; PS00128; GLYCOSYL_HYDROL_F22_1; 1.
DR   PROSITE; PS51348; GLYCOSYL_HYDROL_F22_2; 1.
PE   2: Evidence at transcript level;
KW   Antimicrobial; Bacteriolytic enzyme; Digestion; Disulfide bond;
KW   Glycosidase; Hydrolase; Reference proteome; Secreted; Signal.
FT   SIGNAL          1..18
FT                   /evidence="ECO:0000250"
FT   CHAIN           19..147
FT                   /note="Lysozyme C-3"
FT                   /id="PRO_0000018489"
FT   DOMAIN          19..147
FT                   /note="C-type lysozyme"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00680"
FT   ACT_SITE        53
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00680"
FT   ACT_SITE        71
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00680"
FT   DISULFID        24..145
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00680"
FT   DISULFID        48..133
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00680"
FT   DISULFID        83..99
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00680"
FT   DISULFID        95..113
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00680"
SQ   SEQUENCE   147 AA;  16265 MW;  09601329F793EBD9 CRC64;
     MKALVILGLL FLSVAVQGKV FERCELARTL KKLGLDDYKG VSLANWLCLS KWESGYNTKA
     TNYNPGSEST DYGIFQINSK WWCNDGKTPN AVDGCHVSCS ALMENDIEKA VACAKHIVSE
     QGITAWVAWK SHCRVHDVSS YVEGCKL