ID A0A0M0JEY8_9EUKA Unreviewed; 551 AA.
AC A0A0M0JEY8;
DT 11-NOV-2015, integrated into UniProtKB/TrEMBL.
DT 11-NOV-2015, sequence version 1.
DT 22-FEB-2023, entry version 19.
DE RecName: Full=Beta-hexosaminidase {ECO:0000256|PIRNR:PIRNR001093};
DE EC=3.2.1.52 {ECO:0000256|PIRNR:PIRNR001093};
GN ORFNames=Ctob_003762 {ECO:0000313|EMBL:KOO24932.1};
OS Chrysochromulina tobinii.
OC Eukaryota; Haptista; Haptophyta; Prymnesiophyceae; Prymnesiales;
OC Chrysochromulinaceae; Chrysochromulina.
OX NCBI_TaxID=1460289 {ECO:0000313|EMBL:KOO24932.1, ECO:0000313|Proteomes:UP000037460};
RN [1] {ECO:0000313|Proteomes:UP000037460}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=CCMP291 {ECO:0000313|Proteomes:UP000037460};
RX PubMed=26397803; DOI=10.1371/journal.pgen.1005469;
RA Hovde B.T., Deodato C.R., Hunsperger H.M., Ryken S.A., Yost W., Jha R.K.,
RA Patterson J., Monnat R.J. Jr., Barlow S.B., Starkenburg S.R.,
RA Cattolico R.A.;
RT "Genome Sequence and Transcriptome Analyses of Chrysochromulina tobin:
RT Metabolic Tools for Enhanced Algal Fitness in the Prominent Order
RT Prymnesiales (Haptophyceae).";
RL PLoS Genet. 11:e1005469-e1005469(2015).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Hydrolysis of terminal non-reducing N-acetyl-D-hexosamine
CC residues in N-acetyl-beta-D-hexosaminides.; EC=3.2.1.52;
CC Evidence={ECO:0000256|ARBA:ARBA00001231,
CC ECO:0000256|PIRNR:PIRNR001093};
CC -!- SIMILARITY: Belongs to the glycosyl hydrolase 20 family.
CC {ECO:0000256|ARBA:ARBA00006285, ECO:0000256|PIRNR:PIRNR001093}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KOO24932.1}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; JWZX01003036; KOO24932.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0M0JEY8; -.
DR OrthoDB; 178991at2759; -.
DR Proteomes; UP000037460; Unassembled WGS sequence.
DR GO; GO:0004563; F:beta-N-acetylhexosaminidase activity; IEA:UniProtKB-EC.
DR GO; GO:0102148; F:N-acetyl-beta-D-galactosaminidase activity; IEA:UniProtKB-EC.
DR GO; GO:0005975; P:carbohydrate metabolic process; IEA:InterPro.
DR CDD; cd06562; GH20_HexA_HexB-like; 1.
DR Gene3D; 3.30.379.10; Chitobiase/beta-hexosaminidase domain 2-like; 1.
DR Gene3D; 3.20.20.80; Glycosidases; 1.
DR InterPro; IPR025705; Beta_hexosaminidase_sua/sub.
DR InterPro; IPR015883; Glyco_hydro_20_cat.
DR InterPro; IPR017853; Glycoside_hydrolase_SF.
DR InterPro; IPR029018; Hex-like_dom2.
DR InterPro; IPR029019; HEX_eukaryotic_N.
DR PANTHER; PTHR22600; BETA-HEXOSAMINIDASE; 1.
DR PANTHER; PTHR22600:SF21; BETA-HEXOSAMINIDASE A; 1.
DR Pfam; PF00728; Glyco_hydro_20; 1.
DR Pfam; PF14845; Glycohydro_20b2; 1.
DR PIRSF; PIRSF001093; B-hxosamndse_ab_euk; 1.
DR PRINTS; PR00738; GLHYDRLASE20.
DR SUPFAM; SSF51445; (Trans)glycosidases; 1.
DR SUPFAM; SSF55545; beta-N-acetylhexosaminidase-like domain; 1.
PE 3: Inferred from homology;
KW Glycosidase {ECO:0000256|ARBA:ARBA00023295, ECO:0000256|PIRNR:PIRNR001093};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|PIRNR:PIRNR001093};
KW Reference proteome {ECO:0000313|Proteomes:UP000037460};
KW Signal {ECO:0000256|SAM:SignalP}.
FT SIGNAL 1..22
FT /evidence="ECO:0000256|SAM:SignalP"
FT CHAIN 23..551
FT /note="Beta-hexosaminidase"
FT /evidence="ECO:0000256|SAM:SignalP"
FT /id="PRO_5005601840"
FT DOMAIN 23..134
FT /note="Beta-hexosaminidase eukaryotic type N-terminal"
FT /evidence="ECO:0000259|Pfam:PF14845"
FT DOMAIN 152..477
FT /note="Glycoside hydrolase family 20 catalytic"
FT /evidence="ECO:0000259|Pfam:PF00728"
FT ACT_SITE 308
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR001093-1"
SQ SEQUENCE 551 AA; 61253 MW; 0A8E472ABC54B3B0 CRC64;
MKDLRTHLFL AVLVLASTPV SGVLPRPQQQ TDSGDVFSLG EEFQFLAVGV HSTPMLQNAF
DRYRAIIFQR RKPDGAAPAL STITGCDVNV TSDVQVKTLT TDESYELHVR APRLFVRAAT
VFGALYALET FSQLVRSDLS IDGTVITDKP RFAYRGTMID TSRHFYPVTS IKMHIDAMAY
AKMNVLHWHI VDEISFPYES VVLPQMSLDG AFSPKHVYSI AAIREIVEYA MLRGVRVIPE
FDTPGHVSRG WGSLGVLTQC YDVKTGAPTN FGALNPTLNQ TYAVLSTLLA EVRDVFAPEA
YIHVGGDEVP KECWQSNPQI ASWLHEHPSV KDFAGLETYF EQRLLALLKA QGSSYIVWQE
IFDNGVEILP DTVIEVWKGG HGGDQWLWQT EMAKVTGAGF KSVLSAPYYL NYIAYGADWI
NYYSIEPANF TGGAAAESNG LIAGLEACFW SEYIDATNLA SRAWPRAAAV AERAWSAETV
TNLTDAERRL HEWRCMLLTR GINAEPIGTC SVNAQRVGGP TLQQWCQYQV PGYGGYCAEE
WDPVYSAPWD R
//
