Glycoside Hydrolase Family 33

Activities in FamilyTrans-sialidase (EC 2.4.1.-);
2-keto-3-deoxynononic acid hydrolase / KDNase (EC 3.2.1.-);
Kdo hydrolase (EC 3.2.1.124);
Exo-α-sialidase (EC 3.2.1.18);
Anhydrosialidase (EC 4.2.2.15);
Mechanism Retaining e
ClanGH-E
3D Structure Status6-fold β-propeller
Catalytic Nucleophile/BaseTyr+Glu
Catalytic Proton DonorNot known
External resourcesCAZypedia; HOMSTRAD;
Commercial Enzyme Provider(s)MEGAZYME;
Statistics GenBank accession (11188); Uniprot accession (128); PDB accession (186); 3D entries (29); cryst (0)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 LSAL_LOCUS36974   Lactuca saligna CAB4110104.1    
 LATHSAT_LOCUS17553   Lathyrus sativus CAK8564230.1    
 LATHSAT_LOCUS17552   Lathyrus sativus CAK8564229.1    
 688216   Leotiomycetes sp. MPI-SDFR-AT-0126 (Phimu1)      
 678303   Leotiomycetes sp. MPI-SDFR-AT-0126 (Phimu1)      
 sialidase 3 (Neu3)   Lepisosteus oculatus BBF90656.1    
 sialidase 4 (Neu4)   Lepisosteus oculatus BBG56146.1    
 596245   Leptodontidium sp. MPI-SDFR-AT-0119 (Lepor2)      
 19101   Lipomyces tetrasporus NRRL Y-64009 v1.0 (Liptet1)      
 678157   Lophiostoma macrostomum v1 (Lopma1)      
 649580   Lophiotrema nucula CBS 627.86 v1.0 (Lopnu1)      
 neuraminidase (Neu1)   Macaca fascicularis UJY53427.1    
 neuraminidase (Neu1)   Macaca fascicularis WAK97515.1    
 sialidase-4 isoform 1, partial (Neu4) (fragment)   Macaca mulatta AFE69054.1    
 sialidase-3, partial (Neu3) (fragment)   Macaca mulatta AFE69772.1    
 sialidase-1 precursor (Neu1)   Macaca mulatta AFE78411.1    
 sialidase-1 precursor (Neu1)   Macaca mulatta AFH32517.1
AFI37231.1
   
 intramolecular trans-sialidase L (MDSA) 4.2.2.15 Macrobdella decora AAC47263.1 Q27701 1SLI[A]
1SLL[A]
2SLI[A]
3SLI[A]
4SLI[A]
 intramolecular trans-sialidase L (MDSA) 4.2.2.15 Macrobdella decora AAC47263.1 Q27701 1SLI[A]
1SLL[A]
2SLI[A]
3SLI[A]
4SLI[A]
 679140   Macrolepiota fuliginosa (Macfu1)      
 795307   Macrolepiota fuliginosa (Macfu1)      
 733580   Macrophomina phaseolina MPI-SDFR-AT-0080 v1.0 (Macpha1)      
 11297   Macrophomina phaseolina MS6 (Macph1)      
 2915   Magnaporthiopsis poae ATCC 64411 (Magpo1)      
 Mp_4g02550 (fragment)   Marchantia polymorpha subsp. ruderalis Tak-1 BBN07279.1    
 MPTK1_4g02550 (fragment)   Marchantia polymorpha subsp. ruderalis Takaragaike-1 BFI11859.1    
 MPTK2_4g02550   Marchantia polymorpha subsp. ruderalis Takaragaike-2 BFI32084.1    
 MPTK2_4g02550 (fragment)   Marchantia polymorpha subsp. ruderalis Takaragaike-2 BFI32085.1    
 MtrDRAFT_AC136954g2v1   Medicago truncatula ABE81277.1
ABE81277.2
   
 MtrDRAFT_AC157348g16v1   Medicago truncatula ABE86419.1
ABO79513.1
   
 MtrDRAFT_AC157348g13v1   Medicago truncatula ABE86417.1    
 350739   Melanomma pulvis-pyrius CBS 109.77 (Melpu1)      
 271   Metarhizium acridum CQMa 102 (Metac1)      
 3104   Metarhizium anisopliae ARSEF 549 (Metani1)      
 G6M90_00g070600 (SiA)   Metarhizium brunneum 4556 QLI70189.1    
 7165   Metarhizium robertsii ARSEF 23 (Metro1)      
 221421   Microdochium bolleyi J235TASD1 v1.0 (Micbo1)      
 425120   Microdochium trichocladiopsis MPI-CAGE-CH-0230 v1.0 (Mictri1)      
 3491   Microsporum canis CBS 113480 (Micca1)      
 neuraminidase 4   Mus musculus AAP81169.1
AAH70438.1
BAC28641.1
BAH79965.1
NP_776133.1
   
 sialidase (Neu1;Neu-1;G9) (lysosomal) 3.2.1.18 Mus musculus AAC84167.1
AAC53536.1
AAH04666.1
BAE26586.1
CAA72215.1
CAD91185.1
NP_035023.2
O35657
Q3UL64
Q7TSW3
8DU5[A,B]
 cytosolic sialidase 3.2.1.18 Mus musculus BAB39152.1
AAH26408.1
AAI05658.1
AAI05659.1
AAI05660.1
AAI05662.1
ACM77811.1
BAA92867.1
BAE26342.1
NP_056565.1
C0KJU9
Q0VGI4
Q3ULV6
Q8R0U7
Q9JMH3
 
 sialidase (Neu3) 3.2.1.18 Mus musculus BAA92868.1
AAI16893.1
AAI16925.1
BAC34251.1
BAE22130.1
NP_057929.1
Q543I9
Q9JMH7
 
 GSMUA_30270.1   Musa acuminata subsp. malaccensis Doubled-haploid Pahang (DH-Pahang) CAG1857611.1    
 GSMUA_36980.1   Musa acuminata subsp. malaccensis Doubled-haploid Pahang (DH-Pahang) CAG1856940.1    
 sialidase 1   Mustela putorius furo AES02815.1    
 4526   Neofusicoccum parvum UCRNP2 (Neopa1)      
 142   Neonectria ditissima R09/05 (Neodi1)      
 377   Neosartorya fischeri NRRL 181 (Neofi1)      
 NMOB1V02_LOCUS311 (fragment)   Notodromas monacha CAD7272370.1    
 NMOB1V02_LOCUS6345   Notodromas monacha CAD7278647.1    
 NMOB1V02_LOCUS6343   Notodromas monacha CAD7278645.1    
 47159   Oidiodendron maius Zn (Oidma1)      
 OLC1_LOCUS8844   Oldenlandia corymbosa var. corymbosa CAI9098688.1    
 OLC1_LOCUS8845   Oldenlandia corymbosa var. corymbosa CAI9098689.1    
 OLC1_LOCUS8845   Oldenlandia corymbosa var. corymbosa CAI9098690.1    
 sialidase, partial (fragment)   Opalina sp. OP10 QGJ83549.1    
 sialidase (fragment)   Opalinidae sp. Opal32 QGJ83574.1    
 sialidase, partial (fragment)   Opalinidae sp. Opal32 QGJ83575.1    
 sialidase 1a (Neu1A)   Oreochromis niloticus BAR71186.1    
 sialidase 4 (Neu4) (fragment)   Oreochromis niloticus BAR79852.1    
 sialidase neu1b   Oreochromis niloticus BAT70756.1    
 sialidase 3a (Neu3A)   Oreochromis niloticus BAO79779.1    
 ORF   Oreochromis niloticus BAO79780.1    
 ORF   Oreochromis niloticus BAO79781.1    
 sialidase 3d (Neu3D)   Oreochromis niloticus BAO79782.1    
 sialidase 3e (Neu3E)   Oreochromis niloticus BAO79783.1    
 OSNPB_070516050 (Os07g0516050)   Oryza sativa Japonica Group BAT01757.1    
 Os07g0516000   Oryza sativa Japonica Group BAF21693.1
BAT01756.1
   
 sialidase 3a (Neu3A) 3.2.1.18 Oryzias latipes Hd-rR BAL03608.1 G3XKV6  
 sialidase 3b (Neu3B) 3.2.1.18 Oryzias latipes Hd-rR BAL03609.1 G3XKV7  
 sialidase 4 (Neu4) 3.2.1.18 Oryzias latipes Hd-rR BAM74165.1 H2LPW5  
 sialidase 1 (Neu1)   Oryzias latipes Hd-rR BAO47775.1    
 63887   Paecilomyces niveus CO7 v1.0 (Bysni1)      
 1154727   Paraconiothyrium sporulosum AP3s5-JAC2a v1 (Parsp1)      
 442001   Paraphoma chrysanthemicola MPI-GEGE-AT-0034 v1.0 (Parch1)      
 190013   Paraphoma chrysanthemicola MPI-GEGE-AT-0034 v1.0 (Parch1)      
 520709   Paraphoma chrysanthemicola MPI-SDFR-AT-0120 v1.0 (Parchr1)      
 633765   Paraphoma chrysanthemicola MPI-SDFR-AT-0120 v1.0 (Parchr1)      
 641293   Thielavia appendiculata CBS 731.68 v1 (Thiap1)      
 U9M48_015366 (fragment)   Paspalum notatum var. saurae isolate R1 WVZ66092.1    
 U9M48_015364   Paspalum notatum var. saurae isolate R1 WVZ66090.1    
 PECUL_23A026212   Pelobates cultripes CAH2225765.1    
 PECUL_23A026212   Pelobates cultripes CAH2225767.1    
 PECUL_23A015939   Pelobates cultripes CAH2225768.1    
 PECUL_23A035192   Pelobates cultripes CAH2246497.1    
 PECUL_23A036430   Pelobates cultripes CAH2314412.1    
 270057   Penicillium caseifulvum ITEM 15300 v1.0 (Pcas15300_1)      
 322055   Penicillium caseifulvum ITEM 15300 v1.0 (Pcas15300_1)      
 97384   Penicillium brevicompactum ITEM 18316 v1.0 (Pbre18316_1)      
 21372   Penicillium chrysogenum (Pench1)      
 83042   Penicillium chrysogenum (Pench1)      
 147208   Penicillium chrysogenum Wisconsin 54-1255 (PenchWisc1_1)      
 146023   Penicillium chrysogenum Wisconsin 54-1255 (PenchWisc1_1)      
 9153   Penicillium flavigenum IBT 14082 (Penfla1)      
 3920   Penicillium flavigenum IBT 14082 (Penfla1)      
 4511   Penicillium flavigenum IBT 14082 (Penfla1)      
 Pc21g12200   Penicillium rubens Wisconsin 54-1255 CAP96117.1    
 sialidase (Pc22g00140)   Penicillium rubens Wisconsin 54-1255 CAT16707.1
CAP97302.1
CAX30683.1
   
 231092   Penicillium solitum ITEM 18327 v1.0 (Psol18327_1)      
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