Glycoside Hydrolase Family 16

Activities in Familyxyloglucan:xyloglucosyltransferase (EC 2.4.1.207); keratan-sulfate endo-1,4-β-galactosidase (EC 3.2.1.103); endo-1,3-β-glucanase (EC 3.2.1.39); endo-1,3(4)-β-glucanase (EC 3.2.1.6); licheninase (EC 3.2.1.73); β-agarase (EC 3.2.1.81); κ-carrageenase (EC 3.2.1.83); xyloglucanase (EC 3.2.1.151); endo-β-1,3-galactanase (EC 3.2.1.181); β-porphyranase (EC 3.2.1.178); hyaluronidase (EC 3.2.1.35); endo-β-1,4-galactosidase (EC 3.2.1.-); chitin β-1,6-glucanosyltransferase (EC 2.4.1.-); endo-β-1,4-galactosidase (EC 3.2.1.-)
Mechanism Retaining
ClanGH-B
3D Structure Statusβ-jelly roll
Catalytic Nucleophile/BaseGlu (experimental)
Catalytic Proton DonorGlu (experimental)
External resourcesCAZypedia; HOMSTRAD; PRINTS; PROSITE; XTH-World;
Commercial Enzyme Provider(s)MEGAZYME; NZYTech; PROZOMIX;
Statistics GenBank accession (7256); Uniprot accession (1530); PDB accession (79); 3D entries (38); cryst (1)
All (6025) Archaea (21) Bacteria (3430) Eukaryota (2514) Viruses (50) unclassified (10) Structure (38 - 1 cryst) Characterized (207)
| 1 | 2 | 3 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 laminarinase (Lam;TmLam;TM0024) (Lam16) 3.2.1.39 Thermotoga maritima MSB8 AAD35118.1
AGL48947.1
AHD18205.1
AKE27833.1
NP_227840.1
Q9WXN1 3AZX[A,B]
3AZY[A,B,C,D]
3AZZ[A,B,C,D]
3B00[A,B,C,D]
3B01[A,B,C,D]
 laminarinase A (LamA) (Lam16A) 3.2.1.39 Thermotoga neapolitana CAA88008.1 Q60039  
 endo-β-1,3-glucanase / laminarinase (Lam;TpLam;Tpet_0899) 3.2.1.39 Thermotoga petrophila RKU-1 ABQ46917.1 A5IL44 4DFS[A,B]
 β-agarase (AguF) 3.2.1.81 uncultured bacterium AAP49324.1 Q6XRA2  
 β-agarase I (AguB;AguD;AguK;AguH) 3.2.1.81 uncultured bacterium AAP49346.1
AAP49316.1
AAP70365.1
AAP70390.1
Q6XR80  
 β-agarase D (AgaD) 3.2.1.81 Vibrio sp. PO-303 BAF34350.1 Q05KJ8  
 β-agarase A (AgaA) 3.2.1.81 Vibrio sp. PO-303 BAF62129.1 A5A6R7  
 β-agarase (AgaV) 3.2.1.81 Vibrio sp. V134 ABL06969.1 A1E2B6  
 κ-carrageenase (CgkA;zobellia_236) 3.2.1.83 Zobellia galactanivorans DsiJT CAZ94309.1
AAC27890.1
AAW20553.1
CAH61386.1
O84907  
 β-porphyranase B (PorB;AgaH;zobellia_1017) 3.2.1.178 Zobellia galactanivorans DsiJT CAZ95074.1
CBM41181.1
D7GXF9 3JUU[A,B]
 β-porphyranase A (PorA;AgaE;zobellia_2600) 3.2.1.178 Zobellia galactanivorans DsiJT CAZ96750.1
CBM41182.1
D7GXG0 3ILF[A]
4ATE[A]
 β-porphyranase C (PorC;AgaI;zobellia_3376) 3.2.1.178 Zobellia galactanivorans DsiJT CAZ97514.1
CBM41183.1
D7GXG1  
 β-porphyranase D (PorD;AgaF;zobellia_3628) 3.2.1.178 Zobellia galactanivorans DsiJT CAZ97766.1
CBM41184.1
D7GXG2  
 β-porphyranase E (PorE;AgaG;zobellia_3640) 3.2.1.178 Zobellia galactanivorans DsiJT CAZ97778.1
CBM41185.1
D7GXG3  
 β-agarase D (AgaD;zobellia_4243) 3.2.1.81 Zobellia galactanivorans DsiJT CAZ98378.1
CBM41186.1
D7GXG4 4ASM[B]
 laminarinase (LamC;ZgLamC;ZgLamCGH16;zobellia_1010) 3.2.1.39 Zobellia galactanivorans DsiJT CAZ95067.1   4CRQ[A,B]
4CTE[A,B]
 algal laminarin-specific β-glucanase / laminarinase (LamA;ZgLamA;zobellia_2431) 3.2.1.39 Zobellia galactanivorans DsiJT CAZ96583.1   4BOW[A,B]
4BPZ[A,B]
4BQ1[A,B]
 β-agarase B (AgaB; zobellia_3573) 3.2.1.81 Zobellia galactanivorans DsiJT CAZ97711.1
AAF21821.1
AAO99183.1
CAC07427.1
Q9RGX8 1O4Z[A,B,C,D]
4ATF[A,B,C,D]
 β-agarase A (AgaA;zobellia_4203) 3.2.1.81 Zobellia galactanivorans DsiJT CAZ98338.1
AAF21820.1
AAO99182.1
AAO99184.1
CAC07425.1
G0L322
Q9RGX9
1O4Y[A]
1URX[A]
 κ-carrageenase (CgkZ) 3.2.1.83 Zobellia sp. M-2 / CCTCC M2013256 AGS43006.1    
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 xyloglucan endotransferase 5 (Xet) 2.4.1.207 Actinidia deliciosa AAC09388.1
ACD03215.1
CBD24784.1
Q38696  
 At4g25820 (xyloglucan endotransferase XTR9) (AtXth14) 2.4.1.207 Arabidopsis thaliana CAB39603.1
AAD12249.1
AAM13182.1
AAO30048.1
AEE85118.1
CAB79437.1
CBD24836.1
NP_194312.1
Q9ZSU4  
 xyloglucanase (XTH32;At2g36870) (AtXth32) 3.2.1.151 Arabidopsis thaliana AAD31572.1
AAK76514.1
AAM66089.1
AAM91780.1
AEC09308.1
AEC09309.1
AJD09737.1
NP_181224.1
Q9SJL9  
 xyloglucanase (XTH31;At3g44990) (AtXth31) 3.2.1.151 Arabidopsis thaliana AAL07012.1
AAM97119.1
AAP13434.1
AEE77976.1
CAA63553.1
CAB89314.1
NP_190085.1
P93046  
 At2g06850 (xyloglucan endotransferase EXGT-A1) (AtXth4) 2.4.1.207 Arabidopsis thaliana AAC98464.1
AAD45123.1
AAK96738.1
AAL07050.1
AAL24355.1
AAL47378.1
AAM47963.1
AAM62691.1
AEC06021.1
ANM63024.1
BAA03921.1
BAH20391.1
CBD24829.1
NP_178708.1
Q39099  
 At2g01850 (xyloglucan endotransferase EXGT-A3) (AtXth27) 2.4.1.207 Arabidopsis thaliana AAD21783.1
AAD45125.1
AAL24392.1
AAM63050.1
AAP68259.1
AEC05508.1
BAA20289.1
BAH20413.1
NP_178294.1
Q8LDS2  
 At5g13870 (xyloglucan endotransferase EXGT-A4) (AtXth5) 2.4.1.207 Arabidopsis thaliana AAD45126.1
AED91952.1
ANM69716.1
ANM69717.1
BAA81669.1
BAB11115.1
BAD43991.1
CBD24840.1
NP_196891.1
Q67Z90
Q9XIW1
 
 xyloglucan endotransferase (Xth22;Tch4;At5g57560) (AtXth22) 2.4.1.207 Arabidopsis thaliana AAA92363.1
AAC05572.1
AAK56251.1
AAK96616.1
AAL05902.1
AAL38614.1
AAN60350.1
AED96915.1
BAB08791.1
CBD24844.1
NP_200564.1
Q38857  
 At1g14720 (xyloglucan endotransferase XTR2) (AtXth28) 2.4.1.207 Arabidopsis thaliana AAB18366.1
AAD45124.1
AAF79246.1
AAK60305.1
AAM63068.1
AEE29214.1
BAA20290.1
BAD94417.1
NP_172925.1
Q38909  
 At5g57550 (xyloglucan endotransferase XTR3) (AtXth25) 2.4.1.207 Arabidopsis thaliana AAD45127.1
AAB18364.1
AAM78087.1
AAN28878.1
AED96914.1
BAB08790.1
CBD24843.1
NP_568859.2
Q38907  
 At4g25810 (xyloglucan endotransferase XTR6) (AtXth23) 2.4.1.207 Arabidopsis thaliana AAB18367.1
AAL32550.1
AAM13251.1
AEE85117.1
CAB39602.1
CAB79436.1
CBD24835.1
NP_194311.1
Q38910  
 At4g14130 (xyloglucan endotransferase XTR7) (AtXth15) 2.4.1.207 Arabidopsis thaliana AAB18368.1
AAK76539.1
AAM64835.1
AAW28549.1
ACH17565.1
AEE83378.1
CAB10192.1
CAB78455.1
CBD24822.1
CBD24834.1
NP_193149.1
Q38911
Q5M726
 
 At4g30270 (xyloglucan endotransferase Meri-5) (AtXth24) 2.4.1.207 Arabidopsis thaliana AAK59660.1
AAA32828.1
AAL34201.1
AAM63080.1
AEE85745.1
BAA09783.1
BAF01226.1
BAF02097.1
CAB52471.1
CAB81020.1
CBD24837.1
NP_194756.1
P24806
P24806
Q0WLB0
 
 xyloglucan endotransferase (XET2) 2.4.1.207 Asparagus officinalis AAF80591.1
CBD24816.1
Q9LLC2  
 xyloglucan endotransferase (XET1) 2.4.1.207 Asparagus officinalis AAF80590.1
CBD24817.1
Q9LLC3  
 endo-β-1,3-glucanase (Eng2;Afu2g14360;AFUA_2g14360) 3.2.1.39 Aspergillus fumigatus Af293 EAL93731.1
ACQ08899.1
XP_755769.1
Q4X084  
 β-glucanase (AN2385.2) 3.2.1.- Aspergillus nidulans FGSC A4 EAA64496.1 C8VNP1
Q5BAP5
 
 lichenase (fragment) 3.2.1.73 Aspergillus niger AAG01165.1 Q9HGU1  
 β-1,3-1,4-glucanase (Mlg1) 3.2.1.6 Bipolaris zeicola 367-2A AAC49904.1 O14421  
 xyloglucan endotransglycosylase 16A (XET16A) 2.4.1.207 Brassica oleracea var. botrytis AAO00727.1 Q6YDN9  
 β-1,3-endoglucanase (BX-13G-1) 3.2.1.39 Bursaphelenchus xylophilus BAE02683.1
BAE48357.1
Q4LEU9  
 β-1,3-endoglucanase (BM-13G-1) (fragment) 3.2.1.39 Bursaphelenchus xylophilus BAE02684.1    
 cell-wall modifying enzyme (Crh11;Crh1;CaO19.2706) 2.4.1.-
3.2.1.-
Candida albicans SC5314 EAL01616.1
AOW29056.1
EAL01377.1
Q5AFA2  
 cell-wall active enzyme (Utr2;Csf4;CaO19.1671) 2.4.1.-
3.2.1.-
Candida albicans SC5314 EAL02960.1
AOW28214.1
EAL02833.1
Q5AJC0  
 cell-wall modifying enzyme (Crh12;Crh1;CaO19.3966) 2.4.1.-
3.2.1.-
Candida albicans SC5314 EAL03096.1
AOW29885.1
Q5AK54  
 β-1,3-glucanase 3.2.1.39 Cherax destructor AIX48711.1
AIX48714.1
AIX48714.2
   
 endo-β-1,3-glucanase (L0) 3.2.1.39 Chlamys albidus AAZ04385.1 Q4FCS2  
 endo-β-1,3-glucanase (Lam;CaLam) 3.2.1.39 Cryptopygus antarcticus ACD93221.1
ACV50413.1
C1IE32  
 endoxyloglucan transferase (EXGT1P) 2.4.1.207 Daucus carota AAK30204.1 Q9AT33  
 xyloglucan endotransferase 1 2.4.1.207 Fagus sylvatica CAA10231.1
CBD24820.1
Q9ZRV1  
 endo-β-1,3-galactanase (En3Gal;FvEn3GAL) 3.2.1.181 Flammulina velutipes NBRC 7663 BAK48741.1 F7J1C8  
 β-1,3-glucanase 3.2.1.39 Gecarcoidea natalis AIX48712.1
AIX48713.1
   
 xyloglucan endotransferase (Xth) 2.4.1.207 Gossypium hirsutum AAO92743.1
AAQ31307.1
ABU41232.1
BAA21107.1
CBD24803.1
O23950
Q7Y252
 
 β-1,3-glucanase (Lam33) 3.2.1.39 Haliotis discus hannai BAH84971.1 C6L684  
 β-1,3-glucanase 1 / GH16betaGRP-1 3.2.1.39 Helicoverpa armigera TOOWOOMBA ABU98621.1 B1NLE1  
 xyloglucan xyloglucosyltransferase 8 (Xet8;HvXET8;HvXTH8) 2.4.1.207 Hordeum vulgare ACS13756.1 C5IG71  
 xyloglucan xyloglucosyltransferase 6 (Xet6;HvXET6;HvXTH6) 2.4.1.207 Hordeum vulgare ABY79073.1 B1P1S7  
 xyloglucan: xyloglucosyltransferase 3 (Xet3;HvXeA;HvXET3;HvXTH3) 2.4.1.207 Hordeum vulgare subsp. vulgare BAJ89557.1
CAA63662.1
CBD24775.1
CBD24884.1
P93671  
 xyloglucan: xyloglucosyltransferase 4 (Xet4;HvXET4;HvXeB;HvXTH4) 2.4.1.207 Hordeum vulgare subsp. vulgare CAA63663.1
BAJ98866.1
CBD24776.1
F2DUU5
P93672
 
 endo-β-1,3(4)-glucanase (HiCel16A) (Cel16A) 3.2.1.6 Humicola insolens Y1 ALM88585.1    
 endo-β-1,3-glucanase (GI;Lam16) 3.2.1.39 Littorina sitkana ACN22491.1 C0KUK2  
 endo-β-1,3-glucanase (Lv;PyLam38) 3.2.1.39 Mizuhopecten yessoensis AAW34372.1 Q5I6N3  
 NtXET-1 2.4.1.207 Nicotiana tabacum BAA13163.1
CBD24827.1
P93349  
 lichenase (LicA) 3.2.1.73 Orpinomyces sp. PC-2 AAD04192.1 O14412  
 β-1,3(4)-glucanase (PsBg16A) (Bg16A) 3.2.1.6 Paecilomyces sp. FLH30 ADZ46179.1    
 exo-β-1,3-glucosyltransferase / elongating β-transglucosylase (Bgt16A;PtBgt16A) 2.4.1.- Paecilomyces sp. J18 / Paecilomyces thermophila J18 ARV79861.1   5JVV[A,B]
 β-1,3-1,4-glucanase (PtLic16A) (Lic16A) 3.2.1.73 Paecilomyces sp. J18 / Paecilomyces thermophila J18 ADK55597.1 E0XN39 3WDT[A,B,C,D]
3WDU[A,B,C,D]
3WDV[A,B,C,D]
3WDW[A,B]
3WDX[A,B]
3WDY[A,B,C,D]
 endo-β-1,3-glucanase (Lam16) 3.2.1.39 Perna viridis ACM68926.1 B9W0H7  
 β-1,3(4)-glucanase (Bg1) 3.2.1.6 Phaffia rhodozyma CBS 6938 AAC17104.1 O60019  
 β-1,3-1,6- / β-1,3-1,4-glucan hydrolase (laminarinase) (Lam16A) 3.2.1.6 Phanerochaete chrysosporium K-3 BAC67687.1 Q874E3 2CL2[A]
2W39[A]
2W52[A]
2WLQ[A]
2WNE[A]
 xyloglucan endotransglycosylase/hydrolase (Xth1) 2.4.1.207 Physcomitrella patens CAH58715.1 Q4A3V4  
 xyloglucan endotransferase (EXGT1) 2.4.1.207 Pisum sativum BAA34946.1
BAG09550.1
CBD24819.1
Q9ZR23  
 xyloglucan endotransglycosylase (PsEXT) 2.4.1.207 Pisum sativum BAB17788.1
BAG09547.1
BAG09548.1
CBD24814.1
Q9FXQ4  
 xyloglucan endotransglycosylase 16A (PttXET16-34;XTH16-34) (Xet16A) 2.4.1.207 Populus tremula x Populus tremuloides AAN87142.1
CBD24810.1
Q8GZD5 1UMZ[A,B]
1UN1[A,B]
 xyloglucan endotransglycosylase (XTH-35;PttXET16-35) 2.4.1.207 Populus tremula x Populus tremuloides ABL75361.1 A1YZ21  
 broad-specificity endo-(xylo)glucanase (PtEG16;PtXTH8;POPTR_0002s15460) 3.2.1.151 Populus trichocarpa XP_002301319.1    
 endo-β-1,3-glucanase (Liv;LIV) 3.2.1.39 Pseudocardium sachalinense AAP74223.1 Q7Z0T2  
 β-1,3-1,4-glucanase / lichenase (RmLic16A) (Lic16A) 3.2.1.73 Rhizomucor miehei CAU432 AFD54461.1    
 cell-wall β-1,6-glucan active enzyme (Kre6;CWH48;YPR159W) 2.4.1.-
3.2.1.-
Saccharomyces cerevisiae S288c AAA34726.1
AAB59312.1
AAB68056.1
AAV20555.1
ABC17032.1
CAY05183.1
NP_015485.1
P32486
Q06472
 
 chitin β-1,3/1,6-glucanosyltransferase (Crh2;Utr2;Yel040w;SYGP-ORF18) 2.4.1.- Saccharomyces cerevisiae S288c AAB65002.1
AAA34941.1
AAB28444.1
AAD13975.1
AAT93033.1
NP_010874.1
D3DLK9
P32623
 
 chitin β-1,3/1,6-glucanosyltransferase (Crh1;YGR189C;G7553) 2.4.1.- Saccharomyces cerevisiae S288c CAA67525.1
CAA97215.1
NP_011705.1
P53301  
 cell-wall active enzyme (Crr1;YLR213C) 2.4.1.-
3.2.1.-
Saccharomyces cerevisiae S288c AAB67443.1
NP_013314.1
Q05790  
 xyloglucan endotransglycosylase (XTH1) 2.4.1.207 Selaginella kraussiana AAT84462.1
CBD24779.1
Q1XD17  
 xyloglucan endotransferase 2.4.1.207 Solanum lycopersicum CAA58003.1 Q43527  
 xyloglucan endotransferase 2.4.1.207 Solanum lycopersicum CAA58002.1 Q43528  
 β-1,3-glucanase (SLam) 3.2.1.39 Spodoptera frugiperda ABR28478.1
ABR28478.2
A6YQV6  
 lichenase 3.2.1.73 Strongylocentrotus purpuratus AAC47235.1 Q26660  
 hyaluronidase (Had) 3.2.1.35 Talaromyces funiculosus IAM 13752 BAJ61835.1    
 endo-β-1,3-1,4-glucanase (Glu16A;TlGlu16A) 3.2.1.73 Talaromyces leycettanus JCM12802 ANC68156.1    
 hyaluronidase (Hd) 3.2.1.35 Talaromyces purpureogenus IAM 13753 / IAM 13754 BAJ61836.1    
 endo-β-1,3-glucanase 3.2.1.39 Tapes literata AEE89454.1    
 β-1,3-glucanase (TLam) 3.2.1.39 Tenebrio molitor ACS36221.1 C6GFH7  
 β-1,3(4)-endoglucanase 3.2.1.6 Trichoderma asperellum AFC93434.1    
 endo-β-1,3(4)-glucanase 3.2.1.6 Trichoderma harzianum CBS 243.71 AAE53061.1    
 β-1,3-1,4-glucanase (fragment) 3.2.1.73 Trichoderma reesei AAF82804.1 Q9P420  
 xyloglucanase (NXG1;NXET) (formerly xyloglucan endotransferase 1) 3.2.1.151 Tropaeolum majus CAA48324.1 Q07524 2UWA[A,B,C]
2UWB[A,B]
2UWC[A,B]
2VH9[A,B]
 xyloglucan endotransferase 2 (NXG2) (fragment) 2.4.1.207
3.2.1.151
Tropaeolum majus CAA48325.1 Q07525  
 β-1,3-glucanase (UeLam16A) (GPI-anchored) (Lam16A) 3.2.1.39 Ustilago esculenta NBRC 9887 BAM29293.1    
 xyloglucan endotransferase (VaXTH1) 2.4.1.207 Vigna angularis BAA03925.1
BAC03237.1
CBD24824.1
Q41638  
 broad-specificity endo-(xylo)glucanase (VVEG16) 3.2.1.151
3.2.1.73
Vitis vinifera XP_002273975.1   5DZE[A]
5DZF[A,B]
5DZG[A,B]
5SV8[A]
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