1 c3k1dA_
100.0
49
PDB header: transferaseChain: A: PDB Molecule: 1,4-alpha-glucan-branching enzyme;
PDBTitle: crystal structure of glycogen branching enzyme synonym: 1,4-alpha-d-2 glucan:1,4-alpha-d-glucan 6-glucosyl-transferase from mycobacterium3 tuberculosis h37rv
2 c1m7xC_
100.0
100
PDB header: transferaseChain: C: PDB Molecule: 1,4-alpha-glucan branching enzyme;
PDBTitle: the x-ray crystallographic structure of branching enzyme
3 c3amlA_
100.0
25
PDB header: transferaseChain: A: PDB Molecule: os06g0726400 protein;
PDBTitle: structure of the starch branching enzyme i (bei) from oryza sativa l
4 c3amkA_
100.0
25
PDB header: transferaseChain: A: PDB Molecule: os06g0726400 protein;
PDBTitle: structure of the starch branching enzyme i (bei) from oryza sativa l
5 c2e8yA_
100.0
19
PDB header: hydrolaseChain: A: PDB Molecule: amyx protein;
PDBTitle: crystal structure of pullulanase type i from bacillus subtilis str.2 168
6 c1bf2A_
100.0
20
PDB header: hydrolaseChain: A: PDB Molecule: isoamylase;
PDBTitle: structure of pseudomonas isoamylase
7 c2fhfA_
100.0
21
PDB header: hydrolaseChain: A: PDB Molecule: pullulanase;
PDBTitle: crystal structure analysis of klebsiella pneumoniae2 pullulanase complexed with maltotetraose
8 c3faxA_
100.0
18
PDB header: hydrolaseChain: A: PDB Molecule: reticulocyte binding protein;
PDBTitle: the crystal structure of gbs pullulanase sap in complex with2 maltotetraose
9 c2ya1A_
100.0
19
PDB header: hydrolaseChain: A: PDB Molecule: putative alkaline amylopullulanase;
PDBTitle: product complex of a multi-modular glycogen-degrading2 pneumococcal virulence factor spua
10 c2x4bA_
100.0
19
PDB header: hydrolaseChain: A: PDB Molecule: limit dextrinase;
PDBTitle: barley limit dextrinase in complex with beta-cyclodextrin
11 c2ya0A_
100.0
18
PDB header: hydrolaseChain: A: PDB Molecule: putative alkaline amylopullulanase;
PDBTitle: catalytic module of the multi-modular glycogen-degrading2 pneumococcal virulence factor spua
12 c2wanA_
100.0
19
PDB header: hydrolaseChain: A: PDB Molecule: pullulanase;
PDBTitle: pullulanase from bacillus acidopullulyticus
13 c2vncB_
100.0
21
PDB header: hydrolaseChain: B: PDB Molecule: glycogen operon protein glgx;
PDBTitle: crystal structure of glycogen debranching enzyme trex from2 sulfolobus solfataricus
14 c2by0A_
100.0
24
PDB header: hydrolaseChain: A: PDB Molecule: maltooligosyltrehalose trehalohydrolase;
PDBTitle: is radiation damage dependent on the dose-rate used during2 macromolecular crystallography data collection
15 c2wskA_
100.0
20
PDB header: hydrolaseChain: A: PDB Molecule: glycogen debranching enzyme;
PDBTitle: crystal structure of glycogen debranching enzyme glgx from2 escherichia coli k-12
16 c3m07A_
100.0
23
PDB header: unknown functionChain: A: PDB Molecule: putative alpha amylase;
PDBTitle: 1.4 angstrom resolution crystal structure of putative alpha2 amylase from salmonella typhimurium.
17 c1ehaA_
100.0
21
PDB header: hydrolaseChain: A: PDB Molecule: glycosyltrehalose trehalohydrolase;
PDBTitle: crystal structure of glycosyltrehalose trehalohydrolase2 from sulfolobus solfataricus
18 c1ea9D_
100.0
17
PDB header: hydrolaseChain: D: PDB Molecule: cyclomaltodextrinase;
PDBTitle: cyclomaltodextrinase
19 c1gviA_
100.0
18
PDB header: hydrolaseChain: A: PDB Molecule: maltogenic amylase;
PDBTitle: thermus maltogenic amylase in complex with beta-cd
20 c1jibA_
100.0
19
PDB header: hydrolaseChain: A: PDB Molecule: neopullulanase;
PDBTitle: complex of alpha-amylase ii (tva ii) from thermoactinomyces2 vulgaris r-47 with maltotetraose based on a crystal soaked3 with maltohexaose.
21 c2d0gA_
not modelled
100.0
15
PDB header: hydrolaseChain: A: PDB Molecule: alpha-amylase i;
PDBTitle: crystal structure of thermoactinomyces vulgaris r-47 alpha-2 amylase 1 (tvai) mutant d356n/e396q complexed with p5, a3 pullulan model oligosaccharide
22 d1m7xa3
not modelled
100.0
100
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
23 c3edeB_
not modelled
100.0
18
PDB header: hydrolaseChain: B: PDB Molecule: cyclomaltodextrinase;
PDBTitle: structural base for cyclodextrin hydrolysis
24 c1jgiA_
not modelled
100.0
19
PDB header: transferaseChain: A: PDB Molecule: amylosucrase;
PDBTitle: crystal structure of the active site mutant glu328gln of2 amylosucrase from neisseria polysaccharea in complex with3 the natural substrate sucrose
25 c3czkA_
not modelled
100.0
20
PDB header: hydrolaseChain: A: PDB Molecule: sucrose hydrolase;
PDBTitle: crystal structure analysis of sucrose hydrolase(suh) e322q-2 sucrose complex
26 c3a47A_
not modelled
100.0
17
PDB header: hydrolaseChain: A: PDB Molecule: oligo-1,6-glucosidase;
PDBTitle: crystal structure of isomaltase from saccharomyces cerevisiae
27 c2wcsA_
not modelled
100.0
21
PDB header: hydrolaseChain: A: PDB Molecule: alpha amylase, catalytic region;
PDBTitle: crystal structure of debranching enzyme from nostoc2 punctiforme (npde)
28 c1uokA_
not modelled
100.0
16
PDB header: glucosidaseChain: A: PDB Molecule: oligo-1,6-glucosidase;
PDBTitle: crystal structure of b. cereus oligo-1,6-glucosidase
29 c1m53A_
not modelled
100.0
14
PDB header: isomeraseChain: A: PDB Molecule: isomaltulose synthase;
PDBTitle: crystal structure of isomaltulose synthase (pali) from2 klebsiella sp. lx3
30 c1zjaB_
not modelled
100.0
16
PDB header: isomeraseChain: B: PDB Molecule: trehalulose synthase;
PDBTitle: crystal structure of the trehalulose synthase mutb from2 pseudomonas mesoacidophila mx-45 (triclinic form)
31 c3zt5D_
not modelled
100.0
18
PDB header: hydrolaseChain: D: PDB Molecule: putative glucanohydrolase pep1a;
PDBTitle: glge isoform 1 from streptomyces coelicolor with maltose2 bound
32 c2ze0A_
not modelled
100.0
18
PDB header: hydrolaseChain: A: PDB Molecule: alpha-glucosidase;
PDBTitle: alpha-glucosidase gsj
33 d2fhfa5
not modelled
100.0
19
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
34 c1wzaA_
not modelled
100.0
21
PDB header: hydrolaseChain: A: PDB Molecule: alpha-amylase a;
PDBTitle: crystal structure of alpha-amylase from h.orenii
35 c2zidA_
not modelled
100.0
15
PDB header: hydrolaseChain: A: PDB Molecule: dextran glucosidase;
PDBTitle: crystal structure of dextran glucosidase e236q complex with2 isomaltotriose
36 c3k8kB_
not modelled
100.0
21
PDB header: membrane proteinChain: B: PDB Molecule: alpha-amylase, susg;
PDBTitle: crystal structure of susg
37 d1bf2a3
not modelled
100.0
20
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
38 d1g5aa2
not modelled
100.0
19
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
39 c1tcmB_
not modelled
100.0
17
PDB header: glycosyltransferaseChain: B: PDB Molecule: cyclodextrin glycosyltransferase;
PDBTitle: cyclodextrin glycosyltransferase w616a mutant from bacillus2 circulans strain 251
40 c2aaaA_
not modelled
100.0
18
PDB header: glycosidaseChain: A: PDB Molecule: alpha-amylase;
PDBTitle: calcium binding in alpha-amylases: an x-ray diffraction2 study at 2.1 angstroms resolution of two enzymes from3 aspergillus
41 c2z1kA_
not modelled
100.0
20
PDB header: hydrolaseChain: A: PDB Molecule: (neo)pullulanase;
PDBTitle: crystal structure of ttha1563 from thermus thermophilus hb8
42 c1ud8A_
not modelled
100.0
15
PDB header: hydrolaseChain: A: PDB Molecule: amylase;
PDBTitle: crystal structure of amyk38 with lithium ion
43 c3bmwA_
not modelled
100.0
17
PDB header: transferaseChain: A: PDB Molecule: cyclomaltodextrin glucanotransferase;
PDBTitle: cyclodextrin glycosyl transferase from thermoanerobacterium2 thermosulfurigenes em1 mutant s77p complexed with a maltoheptaose3 inhibitor
44 c1lwhA_
not modelled
100.0
18
PDB header: transferaseChain: A: PDB Molecule: 4-alpha-glucanotransferase;
PDBTitle: crystal structure of t. maritima 4-alpha-glucanotransferase
45 c1qhoA_
not modelled
100.0
18
PDB header: hydrolaseChain: A: PDB Molecule: alpha-amylase;
PDBTitle: five-domain alpha-amylase from bacillus stearothermophilus,2 maltose/acarbose complex
46 c1e40A_
not modelled
100.0
15
PDB header: hydrolaseChain: A: PDB Molecule: alpha-amylase;
PDBTitle: tris/maltotriose complex of chimaeric amylase from b.2 amyloliquefaciens and b. licheniformis at 2.2a
47 c1cygA_
not modelled
100.0
17
PDB header: glycosyltransferaseChain: A: PDB Molecule: cyclodextrin glucanotransferase;
PDBTitle: cyclodextrin glucanotransferase (e.c.2.4.1.19) (cgtase)
48 c1wpcA_
not modelled
100.0
16
PDB header: hydrolaseChain: A: PDB Molecule: glucan 1,4-alpha-maltohexaosidase;
PDBTitle: crystal structure of maltohexaose-producing amylase complexed with2 pseudo-maltononaose
49 c1gjuA_
not modelled
100.0
19
PDB header: transferaseChain: A: PDB Molecule: maltodextrin glycosyltransferase;
PDBTitle: maltosyltransferase from thermotoga maritima
50 c3dhuC_
not modelled
100.0
20
PDB header: hydrolaseChain: C: PDB Molecule: alpha-amylase;
PDBTitle: crystal structure of an alpha-amylase from lactobacillus2 plantarum
51 c1hvxA_
not modelled
100.0
18
PDB header: hydrolaseChain: A: PDB Molecule: alpha-amylase;
PDBTitle: bacillus stearothermophilus alpha-amylase
52 c1jd7A_
not modelled
100.0
17
PDB header: hydrolaseChain: A: PDB Molecule: alpha-amylase;
PDBTitle: crystal structure analysis of the mutant k300r of2 pseudoalteromonas haloplanctis alpha-amylase
53 c2taaA_
not modelled
100.0
16
PDB header: hydrolase (o-glycosyl)Chain: A: PDB Molecule: taka-amylase a;
PDBTitle: structure and possible catalytic residues of taka-amylase a
54 c2dh3A_
not modelled
100.0
19
PDB header: transport protein, signaling proteinChain: A: PDB Molecule: 4f2 cell-surface antigen heavy chain;
PDBTitle: crystal structure of human ed-4f2hc
55 c1jaeA_
not modelled
100.0
18
PDB header: glycosidaseChain: A: PDB Molecule: alpha-amylase;
PDBTitle: structure of tenebrio molitor larval alpha-amylase
56 d1wzla3
not modelled
100.0
22
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
57 d2bhua3
not modelled
100.0
25
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
58 d1j0ha3
not modelled
100.0
19
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
59 d1m53a2
not modelled
100.0
15
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
60 d1gvia3
not modelled
100.0
19
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
61 c3blpX_
not modelled
100.0
19
PDB header: hydrolaseChain: X: PDB Molecule: alpha-amylase 1;
PDBTitle: role of aromatic residues in human salivary alpha-amylase
62 d1uoka2
not modelled
100.0
15
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
63 d1eh9a3
not modelled
100.0
22
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
64 d1lwha2
not modelled
100.0
19
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
65 d1ea9c3
not modelled
100.0
17
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
66 c1bagA_
not modelled
100.0
18
PDB header: alpha-amylaseChain: A: PDB Molecule: alpha-1,4-glucan-4-glucanohydrolase;
PDBTitle: alpha-amylase from bacillus subtilis complexed with2 maltopentaose
67 d1pama4
not modelled
100.0
16
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
68 c2qpuB_
not modelled
100.0
17
PDB header: hydrolaseChain: B: PDB Molecule: alpha-amylase type a isozyme;
PDBTitle: sugar tongs mutant s378p in complex with acarbose
69 d1h3ga3
not modelled
100.0
20
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
70 d3bmva4
not modelled
100.0
14
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
71 d2aaaa2
not modelled
100.0
18
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
72 d2guya2
not modelled
100.0
17
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
73 d1gjwa2
not modelled
100.0
20
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
74 d1cxla4
not modelled
100.0
15
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
75 d1wzaa2
not modelled
100.0
21
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
76 d1cyga4
not modelled
100.0
15
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
77 d1qhoa4
not modelled
100.0
19
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
78 d1cgta4
not modelled
100.0
15
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
79 c2gdvA_
not modelled
100.0
11
PDB header: transferaseChain: A: PDB Molecule: sucrose phosphorylase;
PDBTitle: sucrose phosphorylase from bifidobacterium adolescentis2 reacted with sucrose
80 d1ji1a3
not modelled
100.0
15
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
81 c1gcyA_
not modelled
100.0
15
PDB header: hydrolaseChain: A: PDB Molecule: glucan 1,4-alpha-maltotetrahydrolase;
PDBTitle: high resolution crystal structure of maltotetraose-forming2 exo-amylase
82 c1jdaA_
not modelled
100.0
16
PDB header: hydrolaseChain: A: PDB Molecule: 1,4-alpha maltotetrahydrolase;
PDBTitle: maltotetraose-forming exo-amylase
83 c3bc9A_
not modelled
100.0
15
PDB header: hydrolaseChain: A: PDB Molecule: alpha amylase, catalytic region;
PDBTitle: alpha-amylase b in complex with acarbose
84 c1mwoA_
not modelled
100.0
19
PDB header: hydrolaseChain: A: PDB Molecule: alpha amylase;
PDBTitle: crystal structure analysis of the hyperthermostable2 pyrocoocus woesei alpha-amylase
85 d1hvxa2
not modelled
100.0
21
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
86 d1ob0a2
not modelled
100.0
15
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
87 d1ud2a2
not modelled
100.0
15
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
88 d1e43a2
not modelled
100.0
16
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
89 d2gjpa2
not modelled
100.0
18
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
90 d1avaa2
not modelled
100.0
17
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
91 d2d3na2
not modelled
100.0
17
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
92 d1r7aa2
not modelled
100.0
12
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
93 d1gcya2
not modelled
100.0
16
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
94 d1jaea2
not modelled
100.0
19
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
95 d1ua7a2
not modelled
100.0
18
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
96 d1g94a2
not modelled
100.0
14
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
97 d1ht6a2
not modelled
100.0
17
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
98 d1mxga2
not modelled
100.0
18
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
99 d1hx0a2
not modelled
100.0
18
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
100 d3dhpa2
not modelled
100.0
18
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
101 c1iv8A_
not modelled
100.0
20
PDB header: isomeraseChain: A: PDB Molecule: maltooligosyl trehalose synthase;
PDBTitle: crystal structure of maltooligosyl trehalose synthase
102 c1bplB_
not modelled
100.0
13
PDB header: glycosyltransferaseChain: B: PDB Molecule: alpha-1,4-glucan-4-glucanohydrolase;
PDBTitle: glycosyltransferase
103 c3hjeA_
not modelled
100.0
23
PDB header: transferaseChain: A: PDB Molecule: 704aa long hypothetical glycosyltransferase;
PDBTitle: crystal structure of sulfolobus tokodaii hypothetical2 maltooligosyl trehalose synthase
104 d1m7xa1
not modelled
100.0
100
Fold: Immunoglobulin-like beta-sandwichSuperfamily: E set domainsFamily: E-set domains of sugar-utilizing enzymes
105 d1iv8a2
not modelled
99.9
20
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: Amylase, catalytic domain
106 d1m7xa2
not modelled
99.9
100
Fold: Glycosyl hydrolase domainSuperfamily: Glycosyl hydrolase domainFamily: alpha-Amylases, C-terminal beta-sheet domain
107 c1bplA_
not modelled
99.9
21
PDB header: glycosyltransferaseChain: A: PDB Molecule: alpha-1,4-glucan-4-glucanohydrolase;
PDBTitle: glycosyltransferase
108 d2fhfa1
not modelled
99.8
30
Fold: Immunoglobulin-like beta-sandwichSuperfamily: E set domainsFamily: E-set domains of sugar-utilizing enzymes
109 c3aicC_
not modelled
99.7
14
PDB header: transferaseChain: C: PDB Molecule: glucosyltransferase-si;
PDBTitle: crystal structure of glucansucrase from streptococcus mutans
110 d2bhua1
not modelled
99.6
32
Fold: Immunoglobulin-like beta-sandwichSuperfamily: E set domainsFamily: E-set domains of sugar-utilizing enzymes
111 d1eh9a1
not modelled
99.6
18
Fold: Immunoglobulin-like beta-sandwichSuperfamily: E set domainsFamily: E-set domains of sugar-utilizing enzymes
112 d1bf2a1
not modelled
99.5
30
Fold: Immunoglobulin-like beta-sandwichSuperfamily: E set domainsFamily: E-set domains of sugar-utilizing enzymes
113 c3cc1B_
not modelled
99.2
15
PDB header: hydrolaseChain: B: PDB Molecule: putative alpha-n-acetylgalactosaminidase;
PDBTitle: crystal structure of a putative alpha-n-acetylgalactosaminidase2 (bh1870) from bacillus halodurans c-125 at 2.00 a resolution
114 c3mi6A_
not modelled
99.1
17
PDB header: hydrolaseChain: A: PDB Molecule: alpha-galactosidase;
PDBTitle: crystal structure of the alpha-galactosidase from lactobacillus2 brevis, northeast structural genomics consortium target lbr11.
115 c2xn1B_
not modelled
99.0
14
PDB header: hydrolaseChain: B: PDB Molecule: alpha-galactosidase;
PDBTitle: structure of alpha-galactosidase from lactobacillus acidophilus ncfm2 with tris
116 c3hz3A_
not modelled
98.8
30
PDB header: transferaseChain: A: PDB Molecule: glucansucrase;
PDBTitle: lactobacillus reuteri n-terminally truncated glucansucrase2 gtf180(d1025n)-sucrose complex
117 c1uasA_
not modelled
98.8
12
PDB header: hydrolaseChain: A: PDB Molecule: alpha-galactosidase;
PDBTitle: crystal structure of rice alpha-galactosidase
118 c2yfnA_
not modelled
98.8
16
PDB header: hydrolaseChain: A: PDB Molecule: alpha-galactosidase-sucrose kinase agask;
PDBTitle: galactosidase domain of alpha-galactosidase-sucrose kinase,2 agask
119 d2f2ha4
not modelled
98.6
18
Fold: TIM beta/alpha-barrelSuperfamily: (Trans)glycosidasesFamily: YicI catalytic domain-like
120 c3a5vA_
not modelled
98.6
12
PDB header: hydrolaseChain: A: PDB Molecule: alpha-galactosidase;
PDBTitle: crystal structure of alpha-galactosidase i from mortierella vinacea