ID H2XQ11_CIOIN Unreviewed; 498 AA.
AC H2XQ11;
DT 18-APR-2012, integrated into UniProtKB/TrEMBL.
DT 18-APR-2012, sequence version 1.
DT 08-NOV-2023, entry version 50.
DE RecName: Full=Glucosylceramidase {ECO:0000256|RuleBase:RU361188};
DE EC=3.2.1.45 {ECO:0000256|RuleBase:RU361188};
OS Ciona intestinalis (Transparent sea squirt) (Ascidia intestinalis).
OC Eukaryota; Metazoa; Chordata; Tunicata; Ascidiacea; Phlebobranchia;
OC Cionidae; Ciona.
OX NCBI_TaxID=7719 {ECO:0000313|Ensembl:ENSCINP00000031745.1, ECO:0000313|Proteomes:UP000008144};
RN [1] {ECO:0000313|Proteomes:UP000008144}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=12481130; DOI=10.1126/science.1080049;
RA Dehal P., Satou Y., Campbell R.K., Chapman J., Degnan B., De Tomaso A.,
RA Davidson B., Di Gregorio A., Gelpke M., Goodstein D.M., Harafuji N.,
RA Hastings K.E., Ho I., Hotta K., Huang W., Kawashima T., Lemaire P.,
RA Martinez D., Meinertzhagen I.A., Necula S., Nonaka M., Putnam N., Rash S.,
RA Saiga H., Satake M., Terry A., Yamada L., Wang H.G., Awazu S., Azumi K.,
RA Boore J., Branno M., Chin-Bow S., DeSantis R., Doyle S., Francino P.,
RA Keys D.N., Haga S., Hayashi H., Hino K., Imai K.S., Inaba K., Kano S.,
RA Kobayashi K., Kobayashi M., Lee B.I., Makabe K.W., Manohar C., Matassi G.,
RA Medina M., Mochizuki Y., Mount S., Morishita T., Miura S., Nakayama A.,
RA Nishizaka S., Nomoto H., Ohta F., Oishi K., Rigoutsos I., Sano M.,
RA Sasaki A., Sasakura Y., Shoguchi E., Shin-i T., Spagnuolo A., Stainier D.,
RA Suzuki M.M., Tassy O., Takatori N., Tokuoka M., Yagi K., Yoshizaki F.,
RA Wada S., Zhang C., Hyatt P.D., Larimer F., Detter C., Doggett N.,
RA Glavina T., Hawkins T., Richardson P., Lucas S., Kohara Y., Levine M.,
RA Satoh N., Rokhsar D.S.;
RT "The draft genome of Ciona intestinalis: insights into chordate and
RT vertebrate origins.";
RL Science 298:2157-2167(2002).
RN [2] {ECO:0000313|Ensembl:ENSCINP00000031745.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (JUL-2023) to UniProtKB.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1-(beta-D-galactosyl)-N-dodecanoylsphing-4-enine + cholesterol
CC = cholesteryl 3-beta-D-galactoside + N-dodecanoylsphing-4-enine;
CC Xref=Rhea:RHEA:70255, ChEBI:CHEBI:16113, ChEBI:CHEBI:72956,
CC ChEBI:CHEBI:73432, ChEBI:CHEBI:189066;
CC Evidence={ECO:0000256|ARBA:ARBA00033703};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:70256;
CC Evidence={ECO:0000256|ARBA:ARBA00033703};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:70257;
CC Evidence={ECO:0000256|ARBA:ARBA00033703};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a beta-D-galactosyl-(1<->1')-N-acylsphing-4-enine + H2O = an
CC N-acylsphing-4-enine + D-galactose; Xref=Rhea:RHEA:14297,
CC ChEBI:CHEBI:4139, ChEBI:CHEBI:15377, ChEBI:CHEBI:18390,
CC ChEBI:CHEBI:52639; EC=3.2.1.46;
CC Evidence={ECO:0000256|ARBA:ARBA00033698};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:14298;
CC Evidence={ECO:0000256|ARBA:ARBA00033698};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a beta-D-galactosyl-(1<->1')-N-acylsphing-4-enine +
CC cholesterol = an N-acylsphing-4-enine + cholesteryl 3-beta-D-
CC galactoside; Xref=Rhea:RHEA:70235, ChEBI:CHEBI:16113,
CC ChEBI:CHEBI:18390, ChEBI:CHEBI:52639, ChEBI:CHEBI:189066;
CC Evidence={ECO:0000256|ARBA:ARBA00033611};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:70236;
CC Evidence={ECO:0000256|ARBA:ARBA00033611};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:70237;
CC Evidence={ECO:0000256|ARBA:ARBA00033611};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a beta-D-glucosyl-(1<->1')-N-acylsphing-4-enine + H2O = an N-
CC acylsphing-4-enine + D-glucose; Xref=Rhea:RHEA:13269,
CC ChEBI:CHEBI:4167, ChEBI:CHEBI:15377, ChEBI:CHEBI:22801,
CC ChEBI:CHEBI:52639; EC=3.2.1.45;
CC Evidence={ECO:0000256|ARBA:ARBA00001013};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:13270;
CC Evidence={ECO:0000256|ARBA:ARBA00001013};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a beta-D-glucosyl-(1<->1')-N-acylsphing-4-enine + cholesterol
CC = an N-acylsphing-4-enine + cholesteryl 3-beta-D-glucoside;
CC Xref=Rhea:RHEA:58264, ChEBI:CHEBI:16113, ChEBI:CHEBI:17495,
CC ChEBI:CHEBI:22801, ChEBI:CHEBI:52639;
CC Evidence={ECO:0000256|ARBA:ARBA00033647};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:58265;
CC Evidence={ECO:0000256|ARBA:ARBA00033647};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:58266;
CC Evidence={ECO:0000256|ARBA:ARBA00033647};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a beta-D-xylosyl-(1<->1')-N-acylsphing-4-enine + cholesterol =
CC an N-acylsphing-4-enine + cholesteryl 3-beta-D-xyloside;
CC Xref=Rhea:RHEA:70239, ChEBI:CHEBI:16113, ChEBI:CHEBI:52639,
CC ChEBI:CHEBI:189067, ChEBI:CHEBI:189068;
CC Evidence={ECO:0000256|ARBA:ARBA00033608};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:70240;
CC Evidence={ECO:0000256|ARBA:ARBA00033608};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=beta-D-glucosyl-(1<->1')-N-(15Z-tetracosenoyl)-sphing-4-enine
CC + cholesterol = cholesteryl 3-beta-D-glucoside + N-(15Z-
CC tetracosenoyl)-sphing-4-enine; Xref=Rhea:RHEA:70315,
CC ChEBI:CHEBI:16113, ChEBI:CHEBI:17495, ChEBI:CHEBI:74450,
CC ChEBI:CHEBI:76302; Evidence={ECO:0000256|ARBA:ARBA00035592};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:70316;
CC Evidence={ECO:0000256|ARBA:ARBA00035592};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:70317;
CC Evidence={ECO:0000256|ARBA:ARBA00035592};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=beta-D-glucosyl-(1<->1)-N-octadecanoylsphing-4-enine +
CC cholesterol = cholesteryl 3-beta-D-glucoside + N-octadecanoylsphing-
CC 4-enine; Xref=Rhea:RHEA:70311, ChEBI:CHEBI:16113, ChEBI:CHEBI:17495,
CC ChEBI:CHEBI:72961, ChEBI:CHEBI:84719;
CC Evidence={ECO:0000256|ARBA:ARBA00033636};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:70312;
CC Evidence={ECO:0000256|ARBA:ARBA00033636};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:70313;
CC Evidence={ECO:0000256|ARBA:ARBA00033636};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=beta-D-glucosyl-N-(9Z-octadecenoyl)-sphing-4E-enine +
CC cholesterol = cholesteryl 3-beta-D-glucoside + N-(9Z-octadecenoyl)-
CC sphing-4-enine; Xref=Rhea:RHEA:58324, ChEBI:CHEBI:16113,
CC ChEBI:CHEBI:17495, ChEBI:CHEBI:77996, ChEBI:CHEBI:139140;
CC Evidence={ECO:0000256|ARBA:ARBA00033685};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:58325;
CC Evidence={ECO:0000256|ARBA:ARBA00033685};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:58326;
CC Evidence={ECO:0000256|ARBA:ARBA00033685};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=beta-D-glucosyl-N-dodecanoylsphing-4-enine + cholesterol =
CC cholesteryl 3-beta-D-glucoside + N-dodecanoylsphing-4-enine;
CC Xref=Rhea:RHEA:70307, ChEBI:CHEBI:16113, ChEBI:CHEBI:17495,
CC ChEBI:CHEBI:72956, ChEBI:CHEBI:76297;
CC Evidence={ECO:0000256|ARBA:ARBA00033694};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:70308;
CC Evidence={ECO:0000256|ARBA:ARBA00033694};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:70309;
CC Evidence={ECO:0000256|ARBA:ARBA00033694};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=beta-D-glucosyl-N-octanoylsphing-4E-enine + cholesterol =
CC cholesteryl 3-beta-D-glucoside + N-octanoylsphing-4-enine;
CC Xref=Rhea:RHEA:70303, ChEBI:CHEBI:16113, ChEBI:CHEBI:17495,
CC ChEBI:CHEBI:45815, ChEBI:CHEBI:65222;
CC Evidence={ECO:0000256|ARBA:ARBA00033641};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:70304;
CC Evidence={ECO:0000256|ARBA:ARBA00033641};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:70305;
CC Evidence={ECO:0000256|ARBA:ARBA00033641};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=beta-D-xylosyl-(1<->1')-N-(9Z-octadecenoyl)-sphing-4-enine +
CC cholesterol = cholesteryl 3-beta-D-xyloside + N-(9Z-octadecenoyl)-
CC sphing-4-enine; Xref=Rhea:RHEA:70251, ChEBI:CHEBI:16113,
CC ChEBI:CHEBI:77996, ChEBI:CHEBI:189067, ChEBI:CHEBI:189081;
CC Evidence={ECO:0000256|ARBA:ARBA00033633};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:70252;
CC Evidence={ECO:0000256|ARBA:ARBA00033633};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=cholesteryl 3-beta-D-glucoside + H2O = cholesterol + D-
CC glucose; Xref=Rhea:RHEA:11956, ChEBI:CHEBI:4167, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:16113, ChEBI:CHEBI:17495;
CC Evidence={ECO:0000256|ARBA:ARBA00033646};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:11957;
CC Evidence={ECO:0000256|ARBA:ARBA00033646};
CC -!- PATHWAY: Steroid metabolism; cholesterol metabolism.
CC {ECO:0000256|ARBA:ARBA00004731}.
CC -!- SUBCELLULAR LOCATION: Lysosome membrane
CC {ECO:0000256|ARBA:ARBA00004207}; Peripheral membrane protein
CC {ECO:0000256|ARBA:ARBA00004207}; Lumenal side
CC {ECO:0000256|ARBA:ARBA00004207}.
CC -!- SIMILARITY: Belongs to the glycosyl hydrolase 30 family.
CC {ECO:0000256|ARBA:ARBA00005382, ECO:0000256|RuleBase:RU361188}.
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DR EMBL; EAAA01001913; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR AlphaFoldDB; H2XQ11; -.
DR Ensembl; ENSCINT00000036095.1; ENSCINP00000031745.1; ENSCING00000007924.3.
DR GeneTree; ENSGT00390000009464; -.
DR HOGENOM; CLU_014379_1_2_1; -.
DR UniPathway; UPA00296; -.
DR Proteomes; UP000008144; Unassembled WGS sequence.
DR GO; GO:0005765; C:lysosomal membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0004336; F:galactosylceramidase activity; IEA:RHEA.
DR GO; GO:0004348; F:glucosylceramidase activity; IEA:UniProtKB-EC.
DR GO; GO:0050295; F:steryl-beta-glucosidase activity; IEA:RHEA.
DR GO; GO:0008203; P:cholesterol metabolic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0006665; P:sphingolipid metabolic process; IEA:UniProtKB-KW.
DR Gene3D; 3.20.20.80; Glycosidases; 1.
DR InterPro; IPR033452; GH30_C.
DR InterPro; IPR001139; Glyco_hydro_30.
DR InterPro; IPR033453; Glyco_hydro_30_TIM-barrel.
DR InterPro; IPR017853; Glycoside_hydrolase_SF.
DR PANTHER; PTHR11069; GLUCOSYLCERAMIDASE; 1.
DR PANTHER; PTHR11069:SF23; LYSOSOMAL ACID GLUCOSYLCERAMIDASE; 1.
DR Pfam; PF02055; Glyco_hydro_30; 1.
DR Pfam; PF17189; Glyco_hydro_30C; 1.
DR PRINTS; PR00843; GLHYDRLASE30.
DR SUPFAM; SSF51445; (Trans)glycosidases; 1.
DR SUPFAM; SSF51011; Glycosyl hydrolase domain; 1.
PE 3: Inferred from homology;
KW Glycosidase {ECO:0000256|RuleBase:RU361188};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|RuleBase:RU361188};
KW Lipid metabolism {ECO:0000256|RuleBase:RU361188};
KW Reference proteome {ECO:0000313|Proteomes:UP000008144};
KW Signal {ECO:0000256|ARBA:ARBA00022729};
KW Sphingolipid metabolism {ECO:0000256|RuleBase:RU361188}.
FT DOMAIN 73..427
FT /note="Glycosyl hydrolase family 30 TIM-barrel"
FT /evidence="ECO:0000259|Pfam:PF02055"
FT DOMAIN 430..493
FT /note="Glycosyl hydrolase family 30 beta sandwich"
FT /evidence="ECO:0000259|Pfam:PF17189"
SQ SEQUENCE 498 AA; 56287 MW; 70BF5AAB46B4B0B7 CRC64;
MYNSDSVVCV CNSTYCDTIS EVPVIPSGQA ITYTSSKSGL RFAKQTLNFQ SGTPSSGRNL
IVNTTDRFQK LIGFGGAFTD AAGINIASLS SEAQNYFLRS YFSDQGIGFN MGRIPMASVD
FSTHLYTYAD QPNDFEMKNF SLASEDFQYK IPYIKKAVEM SNRTSFRLFG SPWSAPAWMK
TNKALIGKGS LIGRAGNKYH KAWALYFARF LEEYKANGVD IWAVTAQNEP IDGLARNFSF
QCMGWTAEHQ RDFIKTDLGP TLHSRGHGDV KVIIGDDQRL VFPRWAEVVL NDTSASQYVS
GIGVHWYNFN FLEMDWILPI SRISDTHKAF PDYFILGTEA CSGAMPFQPD KVILGSWTRG
QRYSMDIIQD LNHWVAGWVD WNLALDLEGG PNWVKNFVDA AIIVNAESDE FYKQPIFYHL
GHFSKFLRED SVRISLHEEN EESSLKHVAF IDDEKSIVTI VLLNTSQQNQ TINVIYDKFY
VRTELPADSI QTVVFNSL
//