Glycoside Hydrolase Family 16 / Subf 3

Activities in Sub Family[retaining] β-1,3-glucanase (EC 3.2.1.-);
Endo-β-1,4-galactosidase (EC 3.2.1.-);
Keratan-sulfate endo-β-1,4-galactosidase / keratanase (EC 3.2.1.103);
Endo-β-1,3-glucanase / laminarinase (EC 3.2.1.39);
Endo-β-1,3(4)-glucanase / lichenase-laminarinase (EC 3.2.1.6);
Lichenase / endo-β-1,3-1,4-glucanase (EC 3.2.1.73);
Mechanism Retaining e
ClanGH-B
3D Structure Statusβ-jelly roll
Catalytic Nucleophile/BaseGlu (experimental)
Catalytic Proton DonorGlu (experimental)
NoteMany members have been assigned to subfamilies as described by Viborg et al. (2019) J Biol Chem. 2019 Sep 9 (PMID: 31501245).
External resourcesCAZypedia; HOMSTRAD; PRINTS; PROSITE; XTH-World;
Commercial Enzyme Provider(s)MEGAZYME; NZYTech; PROZOMIX;
Statistics GenBank accession (893); Uniprot accession (61); PDB accession (40); 3D entries (20); cryst (1)
Archaea
Protein Name EC# OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
Subf
 endo-β-1,3-glucanase (LamA; PF0076) (Lam16) 3.2.1.39 Pyrococcus furiosus DSM 3638 AAC25554.2
AAL80200.1
NP_577805.1
E7FHE7
O73951
2VY0[A,B] 2.16
3
Bacteria
Protein Name EC# OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
Subf
 lichenase A / laminarinase (LicA) (Lic16A) 3.2.1.6
3.2.1.73
Acetivibrio thermocellus DSM 1237 CAA61884.2 Q59328
cryst    
3
 O-glycan endo-β-1,4-galactosidase (Amuc_0724) 3.2.1.- Akkermansia muciniphila ATCC BAA-835 ACD04561.1
QTD81353.1
A0A2N8IRP0
B2UQ26
6T2N[AAA,BBB]
3
 laminarinase (LamAQ) 3.2.1.39 Aquimarina sp. SCSIO21287 QTJ02336.1
CAB3219765.1
A0A6F9D674
A0A8A6LZD2
6JH5[A] 1.54
6JHJ[A] 1.69
6JIA[A] α-L-Altp-(1-3)-β-D-Allp-(1-3)-β-D-Glcp-(1-3)-α-D-Glcp
1.90
6M6P[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-α-D-Glcp
2.27
3
 O-glycan endo-β-1,4-galactosidase (CGC64_00690) 3.2.1.- Bacteroides caccae ATCC 43185 ASM64645.1 A5ZIF0
6T2O[AAA,BBB]
6T2P[AAA,BBB]
6T2Q[AAA,BBB]
3
 O-glycan endo-β-1,4-galactosidase (CGC64_17650) 3.2.1.- Bacteroides caccae ATCC 43185 ASM67518.1 A0A174TK78
6T2R[AAA]
3
 O-glycan endo-β-1,4-galactosidase (BF4060) 3.2.1.- Bacteroides fragilis NCTC 9343 CAH09734.1 A0A380YTM4
A0A3E5CV05
Q5L859
6T2S[AAA,BBB,CCC]
3
 β-1,3-1,4-glucanase (BoGH16MLG; BACOVA_02741; Bovatus_03149) 3.2.1.6 Bacteroides ovatus ATCC 8483 ALJ47757.1
EDO11532.1
A0A1Y4PXW9
A7LY25
5NBO[A,B] 1.80
5NBP[A,B] β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-β-D-Glcp
β-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-β-D-Glcp
1.80
6VHO[AAA,BBB]
7KR6[A]
3
 β-1,3-glucanase II (BglII) 3.2.1.39 Cellulosimicrobium cellulans LL-G109 / DSM10297 / DK-1 AAC38290.1
AAB39377.1
AAB39378.1
AAB47151.1
AAB47152.1
AAB47153.1
AEK80404.1
EU589324
G1ED17
O68641
3ATG[A] 1.66
3
 laminarinase / β-1,3-glucanase (ULam111) 3.2.1.39 Flavobacterium sp. UMI-01 BAX84062.1 A0A1Y1CVU5
5WUT[A,B] 1.60
3
 β-1,3-glucanase F (BglF) 3.2.1.39 Nocardiopsis sp. F96 BAE54302.1 Q2V0H0
2HYK[A] 1.30
3
 ORF   Pedobacter sp.    
7WWC[A] β-D-Glcp-(1-3)-β-D-Glcp
β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
2.20
7WW4[A] 2.23
3
 laminarinase (LamR) 3.2.1.6 Rhodothermus marinus ITI278 AAC69707.1 O52754
3ILN[A,B] 1.95
3
 endo-β-1,3-glucanase (Curd1;Curd2;Curd3) 3.2.1.39 Streptomyces sioyaensis AAF31438.1 Q9L816
3DGT[A] 1.50
3
 laminarinase (Lam; TmLam; TM0024) (Lam16) 3.2.1.39 Thermotoga maritima MSB8 AAD35118.1
AGL48947.1
AHD18205.1
AKE27833.1
NP_227840.1
Q9WXN1
R4NXC3
3AZX[A,B] 1.80
3AZY[A,B,C,D] 1.65
3AZZ[A,B,C,D] α-D-Glcp
β-D-Glcp
1.81
3B00[A,B,C,D] 1.74
3B01[A,B,C,D] 1.87
3
 endo-β-1,3-glucanase / laminarinase (Lam;TpLam;Tpet_0899) 3.2.1.39 Thermotoga petrophila RKU-1 ABQ46917.1 A5IL44
4DFS[A,B] 3.75
3
 endo-β-1,3-glucanase (partial) 3.2.1.39 uncultured Actinomycetes bacterium UUY86279.1  
7EO3[A] 1.14
3
 endo-b-(1,3/1,3;1,4)-glucanase (SCLam) (partial) 3.2.1.6 uncultured bacterium AJF39933.1 A0A0B5H9B3
6XOF[A] 1.50
6XQF[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-α-D-Glcp
1.58
6XQG[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-α-D-Glcp
2.15
6XQH[A] β-D-Glcp-(1-4)-β-D-Glcp
β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-α-D-Glcp
1.57
6XQL[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-α-D-Glcp
1.97
6XQM[A] α-D-Glcp
β-D-Glcp-(1-3)-α-D-Glcp
1.85
3
 laminarinase (LamC; ZgLamC; ZgLamCGH16; zobellia_1010) 3.2.1.39 Zobellia galactanivorans DsijT CAZ95067.1 G0L2L9
4CRQ[A,B] 1.50
4CTE[A,B] β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp1SH
β-D-Glcp-(1-3)-β-D-Glcp1SH
1.80
3
 algal laminarin-specific β-glucanase / laminarinase (LamA; ZgLamA; zobellia_2431) 3.2.1.39 Zobellia galactanivorans DsijT CAZ96583.1 G0L5X4
4BOW[A,B] β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-α-D-Glcp
β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp-(1-3)-β-D-Glcp
1.35
4BPZ[A,B] β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-α-D-Glcp
1.13
4BQ1[A,B] 1.50
3
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