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CAZyme Information: KEF55311.1

You are here: Home > Sequence: KEF55311.1

Basic Information | Genomic context | Full Sequence | Enzyme annotations |  CAZy signature domains |  CDD domains | CAZyme hits | PDB hits | Swiss-Prot hits | SignalP and Lipop annotations | TMHMM annotations

Basic Information help

Species Exophiala aquamarina
Lineage Ascomycota; Eurotiomycetes; ; Herpotrichiellaceae; Exophiala; Exophiala aquamarina
CAZyme ID KEF55311.1
CAZy Family GH13
CAZyme Description unspecified product
CAZyme Property
Protein Length CGC Molecular Weight Isoelectric Point
658 AMGV01000008|CGC2 73501.90 5.8883
Genome Property
Genome Version/Assembly ID Genes Strain NCBI Taxon ID Non Protein Coding Genes Protein Coding Genes
FungiDB-61_EaquamarinaCBS119918 13118 1182545 0 13118
Gene Location

Full Sequence      Download help

Enzyme Prediction      help

EC 3.2.1.26:2

CAZyme Signature Domains help

Family Start End Evalue family coverage
GH32 74 439 2e-67 0.9658703071672355

CDD Domains      download full data without filtering help

Cdd ID Domain E-Value qStart qEnd sStart sEnd Domain Description
350133 GH32_XdINV-like 4.26e-170 80 439 1 337
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 8.17e-64 74 610 1 435
Glycosyl hydrolases family 32.
350110 GH32_FFase 8.39e-61 80 437 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.
395193 Glyco_hydro_32N 1.81e-54 74 442 1 302
Glycosyl hydrolases family 32 N-terminal domain. This domain corresponds to the N-terminal domain of glycosyl hydrolase family 32 which forms a five bladed beta propeller structure.
224536 SacC 3.87e-48 69 622 28 460
Sucrose-6-phosphate hydrolase SacC, GH32 family [Carbohydrate transport and metabolism].

CAZyme Hits      help

Hit ID E-Value Query Start Query End Hit Start Hit End
5.95e-159 69 651 44 594
5.74e-157 66 637 16 610
7.80e-156 62 656 7 599
7.80e-156 62 656 7 599
1.10e-155 68 654 13 597

PDB Hits      download full data without filtering help

Hit ID E-Value Query Start Query End Hit Start Hit End Description
6.36e-51 66 638 23 615
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]
7.89e-50 66 638 23 615
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]
6.45e-49 57 619 7 565
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]
4.48e-45 66 651 62 634
Chain A, Beta-fructofuranosidase [Phaffia rhodozyma],5ANN_B Chain B, Beta-fructofuranosidase [Phaffia rhodozyma]
4.48e-45 66 651 62 634
Chain A, Beta-fructofuranosidase [Phaffia rhodozyma],6S82_B Chain B, Beta-fructofuranosidase [Phaffia rhodozyma]

Swiss-Prot Hits      download full data without filtering help

Hit ID E-Value Query Start Query End Hit Start Hit End Description
1.27e-30 44 442 99 452
Beta-fructofuranosidase 1 OS=Zea mays OX=4577 GN=IVR1 PE=3 SV=1
2.69e-30 49 437 34 373
Beta-fructofuranosidase, insoluble isoenzyme 2 OS=Oryza sativa subsp. japonica OX=39947 GN=CIN2 PE=1 SV=1
4.83e-30 62 437 47 373
Beta-fructofuranosidase, insoluble isoenzyme 2 OS=Oryza sativa subsp. indica OX=39946 GN=CIN2 PE=2 SV=2
1.08e-29 67 621 100 593
Acid beta-fructofuranosidase OS=Solanum lycopersicum OX=4081 GN=TIV1 PE=2 SV=1
2.56e-29 73 438 50 367
Beta-fructofuranosidase, insoluble isoenzyme 3 OS=Oryza sativa subsp. indica OX=39946 GN=CIN3 PE=2 SV=2

SignalP and Lipop Annotations help

This protein is predicted as OTHER

Other SP_Sec_SPI CS Position
0.999779 0.000245

TMHMM  Annotations      help

There is no transmembrane helices in KEF55311.1.