membrane-bound lytic murein transglycosylase F (MLTF) and similar proteins. This subfamily includes membrane-bound lytic murein transglycosylase F (MltF, murein lyase F) that degrades murein glycan strands. It is responsible for catalyzing the release of 1,6-anhydromuropeptides from peptidoglycan. Lytic transglycosylase catalyzes the cleavage of the beta-1,4-glycosidic bond between N-acetylmuramic acid (MurNAc) and N-acetyl-D-glucosamine (GlcNAc) as do goose-type lysozymes. However, in addition, it also makes a new glycosidic bond with the C6 hydroxyl group of the same muramic acid residue.

The solute binding domain of YfhD proteins, a member of the type 2 periplasmic binding fold protein superfamily. This subfamily includes the solute binding domain YfhD_N. These domains are found in the YfhD proteins that are predicted to function as lytic transglycosylases that cleave the glycosidic bond between N-acetylmuramic acid and N-acetylglucosamin in peptidoglycan, while the YfhD_N domain might act as an auxiliary or regulatory subunit. In addition to periplasmic solute binding domain, they have an SLT domain, typically found in soluble lytic transglycosylases, and a C-terminal low complexity domain. The YfhD proteins might have been recruited to create localized cell wall openings required for transport of large substrates such as DNA. They belong to the PBP2 superfamily of periplasmic binding proteins that differ in size and ligand specificity, but have similar tertiary structures consisting of two globular subdomains connected by a flexible hinge. They have been shown to bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap.

Membrane-bound lytic murein transglycosylase MltF [Cell wall/membrane/envelope biogenesis, Signal transduction mechanisms].

membrane-bound lytic murein transglycosylase MltF.

70kDa soluble lytic transglycosylase (Slt70) and similar proteins. Catalytic domain of the 70kda soluble lytic transglycosylase (LT)-like proteins, which also have an N-terminal U-shaped U-domain and a linker L-domain. LTs catalyze the cleavage of the beta-1,4-glycosidic bond between N-acetylmuramic acid (MurNAc) and N-acetyl-D-glucosamine (GlcNAc), as do "goose-type" lysozymes. However, in addition to this, they also make a new glycosidic bond with the C6 hydroxyl group of the same muramic acid residue. Proteins similar to this family include the soluble and insoluble membrane-bound LTs in bacteria and the LTs in bacteriophage lambda.

Anancestral arginine-binding protein bound to arginine [synthetic construct],4ZV2_A An ancestral arginine-binding protein bound to glutamine [synthetic construct]

CrystalStructure Of The 70 Kda Soluble Lytic Transglycosylase Slt70 From Escherichia Coli At 1.65 Angstroms Resolution [Escherichia coli],1QTE_A Crystal Structure Of The 70 Kda Soluble Lytic Transglycosylase Slt70 From Escherichia Coli At 1.90 A Resolution In Complex With A 1,6- Anhydromurotripeptide [Escherichia coli]

ChainA, Lytic murein transglycosylase [Pseudomonas aeruginosa]

TheX-ray Structure of Lytic Transglycosylase Slt from Pseudomonas aeruginosa [Pseudomonas aeruginosa]

ComplexOf The 70-Kda Soluble Lytic Transglycosylase With Bulgecin A [Escherichia coli]

Membrane-bound lytic murein transglycosylase F OS=Colwellia psychrerythraea (strain 34H / ATCC BAA-681) OX=167879 GN=mltF PE=3 SV=2

Membrane-bound lytic murein transglycosylase F OS=Pseudomonas mendocina (strain ymp) OX=399739 GN=mltF PE=3 SV=1

Membrane-bound lytic murein transglycosylase F OS=Pseudomonas putida (strain GB-1) OX=76869 GN=mltF PE=3 SV=1

Membrane-bound lytic murein transglycosylase F OS=Pseudomonas putida (strain ATCC 47054 / DSM 6125 / CFBP 8728 / NCIMB 11950 / KT2440) OX=160488 GN=mltF PE=3 SV=2

Membrane-bound lytic murein transglycosylase F OS=Pseudomonas syringae pv. tomato (strain ATCC BAA-871 / DC3000) OX=223283 GN=mltF PE=3 SV=2