ID A0A0G3A7W7_9ACTN Unreviewed; 581 AA.
AC A0A0G3A7W7;
DT 16-SEP-2015, integrated into UniProtKB/TrEMBL.
DT 16-SEP-2015, sequence version 1.
DT 27-MAR-2024, entry version 37.
DE RecName: Full=Malto-oligosyltrehalose trehalohydrolase {ECO:0000256|ARBA:ARBA00015938, ECO:0000256|PIRNR:PIRNR006337};
DE Short=MTHase {ECO:0000256|PIRNR:PIRNR006337};
DE EC=3.2.1.141 {ECO:0000256|ARBA:ARBA00012268, ECO:0000256|PIRNR:PIRNR006337};
DE AltName: Full=4-alpha-D-((1->4)-alpha-D-glucano)trehalose trehalohydrolase {ECO:0000256|ARBA:ARBA00033284, ECO:0000256|PIRNR:PIRNR006337};
DE AltName: Full=Maltooligosyl trehalose trehalohydrolase {ECO:0000256|ARBA:ARBA00032057, ECO:0000256|PIRNR:PIRNR006337};
GN ORFNames=ABB07_07985 {ECO:0000313|EMBL:AKJ09963.1};
OS Streptomyces incarnatus.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=665007 {ECO:0000313|EMBL:AKJ09963.1, ECO:0000313|Proteomes:UP000035366};
RN [1] {ECO:0000313|EMBL:AKJ09963.1, ECO:0000313|Proteomes:UP000035366}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NRRL8089 {ECO:0000313|Proteomes:UP000035366};
RX PubMed=26159526;
RA Oshima K., Hattori M., Shimizu H., Fukuda K., Nemoto M., Inagaki K.,
RA Tamura T.;
RT "Draft Genome Sequence of Streptomyces incarnatus NRRL8089, which Produces
RT the Nucleoside Antibiotic Sinefungin.";
RL Genome Announc. 3:e00715-e00715(2015).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=hydrolysis of (1->4)-alpha-D-glucosidic linkage in 4-alpha-D-
CC [(1->4)-alpha-D-glucanosyl]n trehalose to yield trehalose and (1->4)-
CC alpha-D-glucan.; EC=3.2.1.141;
CC Evidence={ECO:0000256|ARBA:ARBA00034013,
CC ECO:0000256|PIRNR:PIRNR006337};
CC -!- PATHWAY: Glycan biosynthesis; trehalose biosynthesis.
CC {ECO:0000256|ARBA:ARBA00005199, ECO:0000256|PIRNR:PIRNR006337}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC ECO:0000256|PIRSR:PIRSR006337-1}.
CC -!- SIMILARITY: Belongs to the glycosyl hydrolase 13 family.
CC {ECO:0000256|ARBA:ARBA00008061, ECO:0000256|PIRNR:PIRNR006337}.
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DR EMBL; CP011497; AKJ09963.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0G3A7W7; -.
DR STRING; 665007.ABB07_07985; -.
DR PATRIC; fig|665007.5.peg.1748; -.
DR UniPathway; UPA00299; -.
DR Proteomes; UP000035366; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0033942; F:4-alpha-D-(1->4)-alpha-D-glucanotrehalose trehalohydrolase activity; IEA:UniProtKB-EC.
DR GO; GO:0005992; P:trehalose biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd11325; AmyAc_GTHase; 1.
DR CDD; cd02853; E_set_MTHase_like_N; 1.
DR Gene3D; 1.10.10.760; E-set domains of sugar-utilizing enzymes; 1.
DR Gene3D; 3.20.20.80; Glycosidases; 1.
DR Gene3D; 2.60.40.10; Immunoglobulins; 1.
DR InterPro; IPR022567; DUF3459.
DR InterPro; IPR006047; Glyco_hydro_13_cat_dom.
DR InterPro; IPR017853; Glycoside_hydrolase_SF.
DR InterPro; IPR013783; Ig-like_fold.
DR InterPro; IPR014756; Ig_E-set.
DR InterPro; IPR012768; Trehalose_TreZ.
DR InterPro; IPR044901; Trehalose_TreZ_E-set_sf.
DR NCBIfam; TIGR02402; trehalose_TreZ; 1.
DR PANTHER; PTHR43651; 1,4-ALPHA-GLUCAN-BRANCHING ENZYME; 1.
DR PANTHER; PTHR43651:SF11; MALTO-OLIGOSYLTREHALOSE TREHALOHYDROLASE; 1.
DR Pfam; PF00128; Alpha-amylase; 1.
DR Pfam; PF11941; DUF3459; 1.
DR PIRSF; PIRSF006337; Trehalose_TreZ; 1.
DR SMART; SM00642; Aamy; 1.
DR SUPFAM; SSF51445; (Trans)glycosidases; 1.
DR SUPFAM; SSF81296; E set domains; 1.
PE 3: Inferred from homology;
KW Carbohydrate metabolism {ECO:0000256|ARBA:ARBA00023277};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490};
KW Glycosidase {ECO:0000256|ARBA:ARBA00023295, ECO:0000256|PIRNR:PIRNR006337};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|PIRNR:PIRNR006337}.
FT DOMAIN 98..446
FT /note="Glycosyl hydrolase family 13 catalytic"
FT /evidence="ECO:0000259|SMART:SM00642"
FT ACT_SITE 244
FT /note="Nucleophile"
FT /evidence="ECO:0000256|PIRSR:PIRSR006337-1"
FT ACT_SITE 281
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR006337-1"
FT BINDING 242..247
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006337-2"
FT BINDING 306..310
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006337-2"
FT BINDING 378..383
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006337-2"
FT SITE 379
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|PIRSR:PIRSR006337-3"
SQ SEQUENCE 581 AA; 63841 MW; 988EE0F832DF68A7 CRC64;
MQFEVWAPQA DRVTLHCEGG TRALARDPER AGWWTGEAEA GDGARYGFAL DDGPVLPDPR
SRRQPDGPEG LSAVVDHGRH AWRGEWAGRE LPGAVLYEMH VGTYTREGTL DAAAARLEHL
VELGVTHVEL MPVCPFPGRH GWGYEGVSLW AVHEPYGGPE ALKRFVDRAH GLGLGVVLDV
VHNHLGPSGN CLPLFGPYFT DAHHTPWGSA VNLDGPGSDE VRAFLVGSAL AWLRDYRIDG
LRLDAVHALY DTRACHFLEE LSTAVDALAE ELGRPLFLIA ESDLNDPRVI TPRAEHGLGL
HAQWNDDFHH ALHTALTGES QGYYADFARA PFAALAKTLT GGYFHDGTYS SFRGRHHGRP
LDRARVAGHR LLGYGQTHDQ VGNRAQGDRL SARLSPGLLA CAATLTLASP FTPMLFMGEE
WAAGTPWQFF TDHTDPELAD AVRRGRRREF AAHGWAEEDV PDPQDPATRE RSCLDWSEPE
REPHARVLAW YRRLIALRRE QPDLTDPDLA DTKVAYDEDA RWLAFRRGDV RVAVNLGKAT
AAIPLGSRPA AVLAAWEPVE PPGADGLLQV PAESCVVLEQ P
//
