ID A0A243RV87_9ACTN Unreviewed; 581 AA.
AC A0A243RV87;
DT 25-OCT-2017, integrated into UniProtKB/TrEMBL.
DT 25-OCT-2017, sequence version 1.
DT 27-MAR-2024, entry version 33.
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=CA983_28295 {ECO:0000313|EMBL:OUC99096.1};
OS Streptomyces swartbergensis.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=487165 {ECO:0000313|EMBL:OUC99096.1, ECO:0000313|Proteomes:UP000195105};
RN [1] {ECO:0000313|EMBL:OUC99096.1, ECO:0000313|Proteomes:UP000195105}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HMC13 {ECO:0000313|EMBL:OUC99096.1};
RA Le Roes-Hill M., Prins A., Durrell K.A.;
RT "Biotechnological potential of actinobacteria isolated from South African
RT environments.";
RL Submitted (MAY-2017) to the EMBL/GenBank/DDBJ databases.
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}.
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:OUC99096.1}.
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DR EMBL; NGFN01000216; OUC99096.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A243RV87; -.
DR UniPathway; UPA00299; -.
DR Proteomes; UP000195105; Unassembled WGS sequence.
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 REGION 43..70
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 454..476
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
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; 64509 MW; A0FA240483F3E66D CRC64;
MQFEVWAPQA GRVTLQCDDV TRALERDPER AGWWRGEADA RDGSRYGFAL DDGPVRPDPR
SRRQPDGPDG LSAVVDHERY EWLAQWQGRP LPGAVLYELH VGTYTREGTL DAAAERLGHL
AELGVTHVQL MPLCPFPGTH GWGYEGVSLW AVHEPYGGPE ALKRFVDRAH ELGLGVVLDV
VHNHFGPSGN YLPLFGPYLT DRHHTPWGTA VNLDAPGSDE VRAFLIGSAL AWLRDYRIDG
LRLDAVHALV DTRALHFLEE LSTAVDALAA EVDRPLFLIA ESDLNDPRLI TSRDEGGLGL
HAQWNDDFHH ALHTTLTGES QGYYADFARA PLAGLAKTLT GGYFHDGTYS SFRERHHGRP
LDRTRVAGHR LLGYSQTHDQ VGNRAQGDRL SALVSPGLLA CAATLTLTAP FTPMLFMGEE
WAAGTPWQFF TDHTDPELAD AVRRGRRREF AAHGWKEEDV PDPQDPATRD RSCLDWSEPE
REPHARVLAW YRRLLALRHE QPDLTDPDLA DTKVAYDEER RWIAFRRGDV LVAVNLAPEP
AALSLGVPHA RVLAAWEPVE TPGADGVVHV PGESGVVLLQ E
//
