ID A0A1A6HSR3_NEOLE Unreviewed; 500 AA.
AC A0A1A6HSR3;
DT 05-OCT-2016, integrated into UniProtKB/TrEMBL.
DT 05-OCT-2016, sequence version 1.
DT 27-MAR-2024, entry version 28.
DE RecName: Full=Beta-hexosaminidase {ECO:0000256|PIRNR:PIRNR001093};
DE EC=3.2.1.52 {ECO:0000256|PIRNR:PIRNR001093};
GN ORFNames=A6R68_21034 {ECO:0000313|EMBL:OBS80762.1};
OS Neotoma lepida (Desert woodrat).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea;
OC Cricetidae; Neotominae; Neotoma.
OX NCBI_TaxID=56216 {ECO:0000313|EMBL:OBS80762.1, ECO:0000313|Proteomes:UP000092124};
RN [1] {ECO:0000313|EMBL:OBS80762.1, ECO:0000313|Proteomes:UP000092124}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=417 {ECO:0000313|EMBL:OBS80762.1};
RC TISSUE=Liver {ECO:0000313|EMBL:OBS80762.1};
RA Campbell M., Oakeson K.F., Yandell M., Halpert J.R., Dearing D.;
RT "The Draft Genome Sequence and Annotation of the Desert Woodrat Neotoma
RT lepida.";
RL Submitted (JUN-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + N-acetyl-beta-D-6-sulfogalactosaminyl-(1->4)-alpha-L-
CC iduronyl-(1->3)-N-acetyl-D-6-sulfogalactosamine = alpha-L-iduronyl-
CC (1->3)-N-acetyl-D-6-sulfogalactosamine + N-acetyl-D-6-
CC sulfogalactosamine; Xref=Rhea:RHEA:64384, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:152567, ChEBI:CHEBI:152568, ChEBI:CHEBI:153064;
CC Evidence={ECO:0000256|ARBA:ARBA00023541};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:64385;
CC Evidence={ECO:0000256|ARBA:ARBA00023541};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + N-acetyl-beta-D-galactosaminyl-(1->4)-beta-D-3-
CC sulfogalactosyl-(1->4)-beta-D-glucosyl-(1<->1')-ceramide = a beta-D-
CC 3-sulfogalactosyl-(1->4)-beta-D-glucosyl-(1<->1')-ceramide + N-
CC acetyl-beta-D-galactosamine; Xref=Rhea:RHEA:48276, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:28497, ChEBI:CHEBI:90163, ChEBI:CHEBI:90164;
CC Evidence={ECO:0000256|ARBA:ARBA00023953};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:48277;
CC Evidence={ECO:0000256|ARBA:ARBA00023953};
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 -!- CATALYTIC ACTIVITY:
CC Reaction=a ganglioside GM2 (d18:1(4E)) + H2O = a ganglioside GM3
CC (d18:1(4E)) + N-acetyl-beta-D-galactosamine; Xref=Rhea:RHEA:47940,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:28497, ChEBI:CHEBI:60065,
CC ChEBI:CHEBI:71502; Evidence={ECO:0000256|ARBA:ARBA00043767};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:47941;
CC Evidence={ECO:0000256|ARBA:ARBA00043767};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a ganglioside GM2 + H2O = a ganglioside GM3 + N-acetyl-beta-D-
CC galactosamine; Xref=Rhea:RHEA:47968, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:28497, ChEBI:CHEBI:79210, ChEBI:CHEBI:79218;
CC Evidence={ECO:0000256|ARBA:ARBA00043827};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:47969;
CC Evidence={ECO:0000256|ARBA:ARBA00043827};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=beta-D-GalNAc-(1->4)-alpha-L-IdoA-(1->3)-beta-D-GalNAc-4-
CC sulfate-(1->4)-alpha-L-IdoA-(1->3)-D-GalNAc-4-sulfate + H2O = alpha-
CC L-IdoA-(1->3)-beta-D-GalNAc-4-sulfate-(1->4)-alpha-L-IdoA-(1->3)-D-
CC GalNAc-4-sulfate + N-acetyl-D-galactosamine; Xref=Rhea:RHEA:64372,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:28037, ChEBI:CHEBI:152565,
CC ChEBI:CHEBI:152566; Evidence={ECO:0000256|ARBA:ARBA00023505};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:64373;
CC Evidence={ECO:0000256|ARBA:ARBA00023505};
CC -!- SUBCELLULAR LOCATION: Lysosome {ECO:0000256|ARBA:ARBA00004371}.
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:OBS80762.1}.
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DR EMBL; LZPO01017315; OBS80762.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1A6HSR3; -.
DR STRING; 56216.A0A1A6HSR3; -.
DR Proteomes; UP000092124; Unassembled WGS sequence.
DR GO; GO:0005764; C:lysosome; IEA:UniProtKB-SubCell.
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:1901135; P:carbohydrate derivative metabolic process; IEA:UniProt.
DR GO; GO:0005975; P:carbohydrate metabolic process; IEA:InterPro.
DR GO; GO:0006629; P:lipid metabolic process; IEA:UniProtKB-KW.
DR Gene3D; 3.30.379.10; Chitobiase/beta-hexosaminidase domain 2-like; 2.
DR Gene3D; 3.20.20.80; Glycosidases; 2.
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:SF39; BETA-HEXOSAMINIDASE SUBUNIT ALPHA; 1.
DR Pfam; PF00728; Glyco_hydro_20; 2.
DR Pfam; PF14845; Glycohydro_20b2; 1.
DR PIRSF; PIRSF001093; B-hxosamndse_ab_euk; 3.
DR PRINTS; PR00738; GLHYDRLASE20.
DR SUPFAM; SSF51445; (Trans)glycosidases; 1.
DR SUPFAM; SSF55545; beta-N-acetylhexosaminidase-like domain; 1.
DR PROSITE; PS51257; PROKAR_LIPOPROTEIN; 1.
PE 3: Inferred from homology;
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157,
KW ECO:0000256|PIRSR:PIRSR001093-2};
KW Glycosidase {ECO:0000256|ARBA:ARBA00023295, ECO:0000256|PIRNR:PIRNR001093};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|PIRNR:PIRNR001093};
KW Lysosome {ECO:0000256|ARBA:ARBA00023228};
KW Reference proteome {ECO:0000313|Proteomes:UP000092124};
KW Signal {ECO:0000256|SAM:SignalP}; Zymogen {ECO:0000256|ARBA:ARBA00023145}.
FT SIGNAL 1..22
FT /evidence="ECO:0000256|SAM:SignalP"
FT CHAIN 23..500
FT /note="Beta-hexosaminidase"
FT /evidence="ECO:0000256|SAM:SignalP"
FT /id="PRO_5008346607"
FT DOMAIN 23..86
FT /note="Beta-hexosaminidase eukaryotic type N-terminal"
FT /evidence="ECO:0000259|Pfam:PF14845"
FT DOMAIN 145..193
FT /note="Glycoside hydrolase family 20 catalytic"
FT /evidence="ECO:0000259|Pfam:PF00728"
FT DOMAIN 261..458
FT /note="Glycoside hydrolase family 20 catalytic"
FT /evidence="ECO:0000259|Pfam:PF00728"
FT ACT_SITE 295
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR001093-1"
FT DISULFID 58..104
FT /evidence="ECO:0000256|PIRSR:PIRSR001093-2"
FT DISULFID 249..300
FT /evidence="ECO:0000256|PIRSR:PIRSR001093-2"
FT DISULFID 476..493
FT /evidence="ECO:0000256|PIRSR:PIRSR001093-2"
SQ SEQUENCE 500 AA; 57535 MW; 4BFDFA7AD3CEAD53 CRC64;
MAGCRLWVSL LLAAALACAA TALWPWPQYI QIYHRRYTLY PNNFQFRYHA DSAAQAGCVV
LDEAFRRYRN LLFGSGSWPR PNFARRHPML GKNVLVVAVI TAECNEFPNL ESVENCLETF
SQLVWKSAEG TFFINKTKIE DFPRFRHRGI LLDTSRHYLP LSTILDTLDV MAYNKFNVFH
WHLVDDSSFP YKQEASRPRD TPQEMWNWVV GAKALSLCAV SHSPCFVAEK PLEKSSLEEL
GVPGLLTPCY SGPHPSGTFG PVNPSLNSTY DFMSTFFLEI SSVFPDFYLH LGGDEVDFTC
WRSNPSIQAF MKKKGFDDFK QLESFYIQTL LDIVSDYDKG YVVWQEVFDN KVKIRPDTII
QVWREEAPVA YMKEVEQITK AGFRALLSAP WYLNRVTYGP DWKDMYKVEP LAFHGTTEQK
DLVIGGEACM WGEYVDSTNL VPRLWPRAGA IAERLWSSNL TTNMDFAFRR LSHFRCELLR
RGVQAEPISV GYCEQEFEQS
//
