MEL_SACPA
ID MEL_SACPA Reviewed; 471 AA.
AC Q09187;
DT 31-AUG-2004, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1996, sequence version 1.
DT 03-AUG-2022, entry version 79.
DE RecName: Full=Alpha-galactosidase;
DE EC=3.2.1.22;
DE AltName: Full=Alpha-D-galactoside galactohydrolase;
DE AltName: Full=MELp;
DE AltName: Full=Melibiase;
DE Flags: Precursor;
GN Name=MEL;
OS Saccharomyces paradoxus (Yeast) (Saccharomyces douglasii).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes;
OC Saccharomycetales; Saccharomycetaceae; Saccharomyces.
OX NCBI_TaxID=27291;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC STRAIN=61-248;
RX PubMed=9003294; DOI=10.1007/s004380050303;
RA Naumova E.S., Turakainen H., Naumov G.I., Korhola M.;
RT "Superfamily of alpha-galactosidase MEL genes of the Saccharomyces sensu
RT stricto species complex.";
RL Mol. Gen. Genet. 253:111-117(1996).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Hydrolysis of terminal, non-reducing alpha-D-galactose
CC residues in alpha-D-galactosides, including galactose
CC oligosaccharides, galactomannans and galactolipids.; EC=3.2.1.22;
CC -!- SUBUNIT: Homotetramer. {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the glycosyl hydrolase 27 family. {ECO:0000305}.
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DR EMBL; X95505; CAA64759.1; -; Genomic_DNA.
DR AlphaFoldDB; Q09187; -.
DR SMR; Q09187; -.
DR CAZy; GH27; Glycoside Hydrolase Family 27.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0052692; F:raffinose alpha-galactosidase activity; IEA:UniProtKB-EC.
DR GO; GO:0005975; P:carbohydrate metabolic process; IEA:InterPro.
DR CDD; cd14792; GH27; 1.
DR Gene3D; 2.60.40.1180; -; 1.
DR Gene3D; 3.20.20.70; -; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR002241; Glyco_hydro_27.
DR InterPro; IPR000111; Glyco_hydro_27/36_CS.
DR InterPro; IPR013780; Glyco_hydro_b.
DR InterPro; IPR006215; Glyco_hydro_melibiase.
DR InterPro; IPR017853; Glycoside_hydrolase_SF.
DR InterPro; IPR041233; Melibiase_C.
DR PANTHER; PTHR11452; PTHR11452; 1.
DR Pfam; PF16499; Melibiase_2; 1.
DR Pfam; PF17801; Melibiase_C; 1.
DR PRINTS; PR00740; GLHYDRLASE27.
DR PRINTS; PR00748; MELIBIASE.
DR SUPFAM; SSF51445; SSF51445; 1.
DR PROSITE; PS00512; ALPHA_GALACTOSIDASE; 1.
PE 3: Inferred from homology;
KW Disulfide bond; Glycoprotein; Glycosidase; Hydrolase; Secreted; Signal.
FT SIGNAL 1..18
FT /evidence="ECO:0000250"
FT CHAIN 19..471
FT /note="Alpha-galactosidase"
FT /id="PRO_0000001008"
FT ACT_SITE 149
FT /note="Nucleophile"
FT /evidence="ECO:0000250"
FT ACT_SITE 209
FT /note="Proton donor"
FT /evidence="ECO:0000250"
FT BINDING 72
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 73
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 147
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 205
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 251
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT CARBOHYD 43
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
FT CARBOHYD 105
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
FT CARBOHYD 175
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
FT CARBOHYD 270
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
FT CARBOHYD 370
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
FT CARBOHYD 403
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
FT CARBOHYD 417
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
FT CARBOHYD 422
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
FT CARBOHYD 454
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
FT DISULFID 42..74
FT /evidence="ECO:0000250"
FT DISULFID 121..151
FT /evidence="ECO:0000250"
FT DISULFID 221..237
FT /evidence="ECO:0000250"
FT DISULFID 223..230
FT /evidence="ECO:0000250"
SQ SEQUENCE 471 AA; 52768 MW; D6E73ACF54C41B7A CRC64;
MFNLNFFNYT CHCEWCFWVL PSYNGLGLTP QMGWDNWNTF ACNVSEDLLL NTADRISDIG
LKDLGYKYVI LDDCWSSGRD EDGFLVADEQ KFPNGMGHVA DRLHNNSFLF GMYSSAGEYT
CAGYPGSLGR EEEDAQFFAN NRVDYLKYDN CYNKGRFGTP ESSHKRYKAM SDALNKTGRP
IFYSLCNWGQ DLTFYWGSDI ANSWRMSGDI TAEFSRPDSR CPCDGDEYDC KYAGYHCSIM
NILNKAAPMG QNGGIGGWND LDNLEVGVGN LTDDEEKTHF SMWAMVKSPL IIGADVNHLK
ASSYSIYSQS SVIAINQDPK GIPATRVWRY YVPQTDKYGQ GEIQFWSGPL ENGDQVIALL
NGGMKARPMN ATLEDIFFDS YQGSEELSTS WDIYDLWANR IDNATASAIL ENNKVTNNTL
YNATKLSYKE GLLNGDSRLF GTKVGTISPD GIINTTVPAH GIALYRLRSS S