Peptidase M60, enhancin and enhancin-like. This family of peptidases contains a zinc metallopeptidase motif (HEXXHX(8,28)E) and possesses mucinase activity. It includes the viral enhancins as well as enhancin-like peptidases from bacterial species. Enhancins are a class of metalloproteases found in some baculoviruses that enhance viral infection by degrading the peritrophic membrane (PM) of the insect midgut. Bacterial enhancins are found to be cytotoxic when compared to viral enhancin, however, suggesting that the bacterial enhancins do not enhance infection in the same way as viral enhancin. Bacterial enhancins may have evolved a distinct biochemical function. These bacterial domains are peptidases targetting host glycoproteins and thus probably play an important role in successful colonisation of both vertebrate mucosal surfaces and the invertebrate digestive tract by both mutualistic and pathogenic microbes. This family has been augmented by a merge with the sequences in the Enhancin Pfam family.

Bacteroidetes-Associated Carbohydrate-binding (putative) Often N-terminal (BACON) domain. The BACON domain is found in diverse domain architectures and accociated with a wide variety of domains, including carbohydrate-active enzymes and proteases. It was named for its suggested function of carbohydrate binding; the latter was inferred from domain architectures, sequence conservation, and phyletic distribution. However, recent experimental data suggest that its primary function in Bacteroides ovatus endo-xyloglucanase BoGH5A is to distance the catalytic module from the cell surface and confer additional mobility to the catalytic domain for attack of the polysaccharide. No evidence for a direct role in carbohydrate binding could be found in that case. The large majority of BACON domains are found in Bacteroidetes.

F5/8 type C domain. This domain is also known as the discoidin (DS) domain family.

Viral BACON domain. This family represents a distinct class of BACON domains found in crAss-like phages, the most common viral family in the human gut, in which they are found in tail fiber genes. This suggests they may play a role in phage-host interactions.

Bacteroidetes-Associated Carbohydrate-binding (putative) Often N-terminal (BACON) domain. The BACON domain is found in diverse domain architectures and accociated with a wide variety of domains, including carbohydrate-active enzymes and proteases. It was named for its suggested function of carbohydrate binding; the latter was inferred from domain architectures, sequence conservation, and phyletic distribution. However, recent experimental data suggest that its primary function in Bacteroides ovatus endo-xyloglucanase BoGH5A is to distance the catalytic module from the cell surface and confer additional mobility to the catalytic domain for attack of the polysaccharide. No evidence for a direct role in carbohydrate binding could be found in that case. The large majority of BACON domains are found in Bacteroidetes.

ChainA, Peptidase M60 domain-containing protein [Akkermansia muciniphila ATCC BAA-835]

BT_4244metallopeptidase from Bacteroides thetaiotaomicron [Bacteroides thetaiotaomicron VPI-5482]

ChainA, family 32 carbohydrate-binding module from Bacteroides thetaiotaomicron [Bacteroides thetaiotaomicron VPI-5482],7BLH_AAAA Chain AAAA, family 32 carbohydrate-binding module from Bacteroides thetaiotaomicron [Bacteroides thetaiotaomicron VPI-5482],7BLJ_A Chain A, family 32 carbohydrate-binding module from Bacteroides thetaiotaomicron [Bacteroides thetaiotaomicron VPI-5482],7BLK_A Chain A, family 32 carbohydrate-binding module from Bacteroides thetaiotaomicron [Bacteroides thetaiotaomicron VPI-5482]

BT_4244metallopeptidase from Bacteroides thetaiotaomicron [Bacteroides thetaiotaomicron VPI-5482],5KD8_A BT_4244 metallopeptidase in complex with Tn antigen. [Bacteroides thetaiotaomicron VPI-5482]

TRPM8 channel-associated factor 2 OS=Mus musculus OX=10090 GN=Tcaf2 PE=1 SV=1

TRPM8 channel-associated factor 1 OS=Homo sapiens OX=9606 GN=TCAF1 PE=1 SV=3

TRPM8 channel-associated factor 1 OS=Bos taurus OX=9913 GN=TCAF1 PE=2 SV=1