sporangiospore maturation cell wall hydrolase GsmA. The peptidoglycan-hydrolyzing enzyme GsmA occurs in some sporangia-forming members of the Actinobacteria, such as Actinoplanes missouriensis, and is required for proper separation of spores. GsmA proteins have one or two SH3 domains N-terminal to the hydrolase domain.

Flagellum-specific peptidoglycan hydrolase FlgJ [Cell wall/membrane/envelope biogenesis, Cell motility].

Mannosyl-glycoprotein endo-beta-N-acetylglucosaminidase. This family includes Mannosyl-glycoprotein endo-beta-N-acetylglucosaminidase EC:3.2.1.96. As well as the flageller protein J that has been shown to hydrolyze peptidoglycan.

Lysozyme subfamily 2. Eubacterial enzymes distantly related to eukaryotic lysozymes.

M23 family metallopeptidase, also known as beta-lytic metallopeptidase, and similar proteins. This model describes the metallopeptidase M23 family, which includes beta-lytic metallopeptidase and lysostaphin. Members of this family are zinc endopeptidases that lyse bacterial cell wall peptidoglycans; they cleave either the N-acylmuramoyl-Ala bond between the cell wall peptidoglycan and the cross-linking peptide (e.g. beta-lytic endopeptidase) or a bond within the cross-linking peptide (e.g. stapholysin, and lysostaphin). Beta-lytic metallopeptidase, formerly known as beta-lytic protease, has a preference for cleavage of Gly-X bonds and favors hydrophobic or apolar residues on either side. It inhibits growth of sensitive organisms and may potentially serve as an antimicrobial agent. Lysostaphin, produced by Staphylococcus genus, cleaves pentaglycine cross-bridges of cell wall peptidoglycan, acting as autolysins to maintain cell wall metabolism or as toxins and weapons against competing strains. Staphylolysin (also known as LasA) is implicated in a range of processes related to Pseudomonas virulence, including stimulating shedding of the ectodomain of cell surface heparan sulphate proteoglycan syndecan-1, and elastin degradation in connective tissue. Its active site is less constricted and contains a five-coordinate zinc ion with trigonal bipyramidal geometry and two metal-bound water molecules, possibly contributing to its activity against a wider range of substrates than those used by related lytic enzymes, consistent with its multiple roles in Pseudomonas virulence. The family includes members that do not appear to have the conserved zinc-binding site and might be lipoproteins lacking proteolytic activity.

CrystalStructure of the autolysin Auto (Lmo1076) from Listeria monocytogenes, catalytic domain [Listeria monocytogenes EGD-e]

Crystalstructure of peptidoglycan hydrolase mutant from Sphingomonas sp. A1 [Sphingomonas sp. A1]

ChainA, Peptidoglycan hydrolase FlgJ [Sphingomonas sp. A1]

ChainA, Peptidase M23 [Campylobacter jejuni],6JMY_A Chain A, Peptidase M23 [Campylobacter jejuni],6KV1_A Chain A, Peptidase M23 [Campylobacter jejuni]

ChainA, N-acetylmuramoyl-L-alanine amidase domain-containing protein SAOUHSC_02979 [Staphylococcus aureus subsp. aureus NCTC 8325],5T1Q_B Chain B, N-acetylmuramoyl-L-alanine amidase domain-containing protein SAOUHSC_02979 [Staphylococcus aureus subsp. aureus NCTC 8325],5T1Q_C Chain C, N-acetylmuramoyl-L-alanine amidase domain-containing protein SAOUHSC_02979 [Staphylococcus aureus subsp. aureus NCTC 8325],5T1Q_D Chain D, N-acetylmuramoyl-L-alanine amidase domain-containing protein SAOUHSC_02979 [Staphylococcus aureus subsp. aureus NCTC 8325]

Exo-glucosaminidase LytG OS=Bacillus subtilis (strain 168) OX=224308 GN=lytG PE=1 SV=1

Peptidoglycan hydrolase FlgJ OS=Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961) OX=243277 GN=flgJ PE=3 SV=2

N-acetylmuramoyl-L-alanine amidase domain-containing protein SAOUHSC_02979 OS=Staphylococcus aureus (strain NCTC 8325 / PS 47) OX=93061 GN=SAOUHSC_02979 PE=1 SV=1

Peptidoglycan hydrolase FlgJ OS=Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720) OX=99287 GN=flgJ PE=1 SV=1

Uncharacterized metalloprotease HI_0409 OS=Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd) OX=71421 GN=HI_0409 PE=3 SV=1