Species | Aspergillus niger | |||||||||||
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Lineage | Ascomycota; Eurotiomycetes; ; Aspergillaceae; Aspergillus; Aspergillus niger | |||||||||||
CAZyme ID | ATCC64974_96670-t41_1-p1 | |||||||||||
CAZy Family | GT39 | |||||||||||
CAZyme Description | unspecified product | |||||||||||
CAZyme Property |
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Genome Property |
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Gene Location |
EC | 3.2.1.26:10 | 2.4.1.100:6 | 2.4.1.-:2 |
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Family | Start | End | Evalue | family coverage |
---|---|---|---|---|
GH32 | 54 | 401 | 2.6e-40 | 0.9590443686006825 |
Cdd ID | Domain | E-Value | qStart | qEnd | sStart | sEnd | Domain Description |
---|---|---|---|---|---|---|---|
350133 | GH32_XdINV-like | 1.26e-136 | 60 | 402 | 1 | 336 | glycoside hydrolase family 32 protein such as Xanthophyllomyces dendrorhous beta-fructofuranosidase (Inv;Xd-INV;XdINV). This subfamily of glycosyl hydrolase family GH32 includes fructan:fructan 1-fructosyltransferase (FT, EC 2.4.1.100) and beta-fructofuranosidase (invertase or Inv, EC 3.2.1.26), among others. These enzymes cleave sucrose into fructose and glucose via beta-fructofuranosidase activity, producing invert sugar that is a mixture of dextrorotatory D-glucose and levorotatory D-fructose, thus named invertase (EC 3.2.1.26). These retaining enzymes (i.e. they retain the configuration at anomeric carbon atom of the substrate) catalyze hydrolysis in two steps involving a covalent glycosyl enzyme intermediate: an aspartate located close to the N-terminus acts as the catalytic nucleophile and a glutamate acts as the general acid/base; a conserved aspartate residue in the Arg-Asp-Pro (RDP) motif stabilizes the transition state. Xanthophyllomyces dendrorhous beta-fructofuranosidase (XdINV) also catalyzes the synthesis of fructooligosaccharides (FOS, a beneficial prebiotic), producing neo-FOS, making it an interesting biotechnology target. Structural studies show plasticity of its active site, having a flexible loop that is essential in binding sucrose and beta(2-1)-linked oligosaccharide, making it a valuable biocatalyst to produce novel bioconjugates. The breakdown of sucrose is widely used as a carbon or energy source by bacteria, fungi, and plants. Invertase is used commercially in the confectionery industry, since fructose has a sweeter taste than sucrose and a lower tendency to crystallize. A common structural feature of all these enzymes is a 5-bladed beta-propeller domain, similar to GH43, that contains the catalytic acid and catalytic base. A long V-shaped groove, partially enclosed at one end, forms a single extended substrate-binding surface across the face of the propeller. |
214757 | Glyco_32 | 3.17e-56 | 54 | 580 | 1 | 436 | Glycosyl hydrolases family 32. |
350110 | GH32_FFase | 2.08e-45 | 60 | 401 | 1 | 281 | Glycosyl hydrolase family 32, beta-fructosidases. Glycosyl hydrolase family GH32 cleaves sucrose into fructose and glucose via beta-fructofuranosidase activity, producing invert sugar that is a mixture of dextrorotatory D-glucose and levorotatory D-fructose, thus named invertase (EC 3.2.1.26). This family also contains other fructofuranosidases such as inulinase (EC 3.2.1.7), exo-inulinase (EC 3.2.1.80), levanase (EC 3.2.1.65), and transfructosidases such sucrose:sucrose 1-fructosyltransferase (EC 2.4.1.99), fructan:fructan 1-fructosyltransferase (EC 2.4.1.100), sucrose:fructan 6-fructosyltransferase (EC 2.4.1.10), fructan:fructan 6G-fructosyltransferase (EC 2.4.1.243) and levan fructosyltransferases (EC 2.4.1.-). These retaining enzymes (i.e. they retain the configuration at anomeric carbon atom of the substrate) catalyze hydrolysis in two steps involving a covalent glycosyl enzyme intermediate: an aspartate located close to the N-terminus acts as the catalytic nucleophile and a glutamate acts as the general acid/base; a conserved aspartate residue in the Arg-Asp-Pro (RDP) motif stabilizes the transition state. These enzymes are predicted to display a 5-fold beta-propeller fold as found for GH43 and CH68. The breakdown of sucrose is widely used as a carbon or energy source by bacteria, fungi, and plants. Invertase is used commercially in the confectionery industry, since fructose has a sweeter taste than sucrose and a lower tendency to crystallize. A common structural feature of all these enzymes is a 5-bladed beta-propeller domain, similar to GH43, that contains the catalytic acid and catalytic base. A long V-shaped groove, partially enclosed at one end, forms a single extended substrate-binding surface across the face of the propeller. |
400517 | Glyco_hydro_32C | 5.33e-27 | 444 | 617 | 1 | 162 | Glycosyl hydrolases family 32 C terminal. This domain corresponds to the C terminal domain of glycosyl hydrolase family 32. It forms a beta sandwich module. |
224536 | SacC | 8.75e-22 | 47 | 579 | 26 | 447 | Sucrose-6-phosphate hydrolase SacC, GH32 family [Carbohydrate transport and metabolism]. |
Hit ID | E-Value | Query Start | Query End | Hit Start | Hit End |
---|---|---|---|---|---|
0.0 | 1 | 628 | 1 | 628 | |
0.0 | 1 | 628 | 1 | 628 | |
0.0 | 1 | 627 | 1 | 627 | |
0.0 | 1 | 627 | 1 | 627 | |
0.0 | 1 | 627 | 1 | 627 |
Hit ID | E-Value | Query Start | Query End | Hit Start | Hit End | Description |
---|---|---|---|---|---|---|
0.0 | 25 | 627 | 2 | 604 | Aspergillus kawachii beta-fructofuranosidase complexed with glycerol [Aspergillus luchuensis IFO 4308],5XH9_A Aspergillus kawachii beta-fructofuranosidase [Aspergillus luchuensis IFO 4308],5XHA_A Aspergillus kawachii beta-fructofuranosidase complexed with fructose [Aspergillus luchuensis IFO 4308] |
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4.28e-291 | 28 | 626 | 4 | 634 | Crystal structure of fructosyltransferase (wild-type) from A. japonicus [Aspergillus japonicus],3LFI_A Crystal structure of fructosyltransferase (wild-type) from A. japonicus in complex with glucose [Aspergillus japonicus],3LFI_B Crystal structure of fructosyltransferase (wild-type) from A. japonicus in complex with glucose [Aspergillus japonicus] |
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7.03e-290 | 28 | 626 | 4 | 634 | Crystal Structure of A. japonicus CB05 [Aspergillus japonicus],3LDR_A Crystal structure of fructosyltransferase (D191A) from A. japonicus in complex with 1-Kestose [Aspergillus japonicus],3LEM_A Crystal structure of fructosyltransferase (D191A) from A. japonicus in complex with Nystose [Aspergillus japonicus],3LIG_A Crystal structure of fructosyltransferase (D191A) from A. japonicus [Aspergillus japonicus],3LIH_A Crystal structure of fructosyltransferase (D191A) from A. japonicus in complex with raffinose [Aspergillus japonicus] |
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7.01e-77 | 19 | 626 | 35 | 641 | Chain A, Beta-fructofuranosidase [Phaffia rhodozyma],5ANN_B Chain B, Beta-fructofuranosidase [Phaffia rhodozyma] |
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7.01e-77 | 19 | 626 | 35 | 641 | Chain A, Beta-fructofuranosidase [Phaffia rhodozyma],6S82_B Chain B, Beta-fructofuranosidase [Phaffia rhodozyma] |
Hit ID | E-Value | Query Start | Query End | Hit Start | Hit End | Description |
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4.41e-07 | 24 | 219 | 8 | 195 | Invertase OS=Debaryomyces hansenii (strain ATCC 36239 / CBS 767 / BCRC 21394 / JCM 1990 / NBRC 0083 / IGC 2968) OX=284592 GN=INV PE=3 SV=2 |
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2.99e-06 | 47 | 219 | 17 | 180 | Extracellular exo-inulinase OS=Meyerozyma guilliermondii (strain ATCC 6260 / CBS 566 / DSM 6381 / JCM 1539 / NBRC 10279 / NRRL Y-324) OX=294746 GN=PGUG_02777 PE=1 SV=2 |
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2.99e-06 | 47 | 219 | 17 | 180 | Extracellular exo-inulinase inuE OS=Meyerozyma guilliermondii OX=4929 PE=1 SV=3 |
Other | SP_Sec_SPI | CS Position |
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0.601886 | 0.398095 |
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