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Protein

Myrosinase 5

Gene

TGG5

Organism
Arabidopsis thaliana (Mouse-ear cress)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Hydrolyzes sinigrin and, with lower efficiency, p-nitrophenyl beta-D-glucoside.1 Publication

Miscellaneous

It seems that the absence of a catalytic proton donor in plant myrosinases is not impairing the hydrolysis of glucosinolates.

Catalytic activityi

A thioglucoside + H2O = a sugar + a thiol.
Hydrolysis of terminal, non-reducing beta-D-glucosyl residues with release of beta-D-glucose.

Kineticsi

  1. KM=547 µM for sinigrin (at pH 4.5)1 Publication
  2. KM=80 mM for p-nitrophenyl beta-D-glucoside (at pH 4.5)1 Publication
  1. Vmax=48.1 µmol/min/mg enzyme with sinigrin as substrate (at pH 4.5)1 Publication
  2. Vmax=17 µmol/min/mg enzyme with p-nitrophenyl beta-D-glucoside as substrate (at pH 4.5)1 Publication

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Binding sitei64SubstrateBy similarity1
Binding sitei165SubstrateBy similarity1
Binding sitei210SubstrateBy similarity1
Binding sitei211AscorbateBy similarity1
Binding sitei280AscorbateBy similarity1
Binding sitei351SubstrateBy similarity1
Active sitei418NucleophilePROSITE-ProRule annotation1
Binding sitei467SubstrateBy similarity1

GO - Molecular functioni

  • beta-glucosidase activity Source: TAIR
  • glucosinolate glucohydrolase activity Source: UniProtKB-EC
  • scopolin beta-glucosidase activity Source: UniProtKB-EC
  • thioglucosidase activity Source: TAIR

GO - Biological processi

Keywordsi

Molecular functionGlycosidase, Hydrolase

Enzyme and pathway databases

ReactomeiR-ATH-189085 Digestion of dietary carbohydrate
SABIO-RKQ3ECS3

Protein family/group databases

CAZyiGH1 Glycoside Hydrolase Family 1

Names & Taxonomyi

Protein namesi
Recommended name:
Myrosinase 5 (EC:3.2.1.147)
Alternative name(s):
Beta-glucosidase 35 (EC:3.2.1.21)
Short name:
AtBGLU35
Sinigrinase 5
Thioglucosidase 5
Gene namesi
Name:TGG5
Synonyms:BGLU35
Ordered Locus Names:At1g51470
ORF Names:F5D21.17
OrganismiArabidopsis thaliana (Mouse-ear cress)
Taxonomic identifieri3702 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
Proteomesi
  • UP000006548 Componenti: Chromosome 1

Organism-specific databases

AraportiAT1G51470
TAIRilocus:2033928 AT1G51470

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 23Sequence analysisAdd BLAST23
ChainiPRO_000038959724 – 511Myrosinase 5Add BLAST488

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Disulfide bondi31 ↔ 450By similarity
Disulfide bondi39 ↔ 445By similarity
Glycosylationi46N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi53N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi222N-linked (GlcNAc...) asparagineSequence analysis1
Disulfide bondi230 ↔ 233By similarity
Glycosylationi428N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi489N-linked (GlcNAc...) asparagineSequence analysis1

Keywords - PTMi

Disulfide bond, Glycoprotein

Proteomic databases

PaxDbiQ3ECS3
PRIDEiQ3ECS3

Expressioni

Tissue specificityi

Specifically expressed in roots.1 Publication

Gene expression databases

ExpressionAtlasiQ3ECS3 baseline and differential
GenevisibleiQ3ECS3 AT

Interactioni

Protein-protein interaction databases

BioGridi26797, 1 interactor
STRINGi3702.AT1G51470.1

Structurei

3D structure databases

ProteinModelPortaliQ3ECS3
SMRiQ3ECS3
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni474 – 475Substrate bindingBy similarity2

Sequence similaritiesi

Belongs to the glycosyl hydrolase 1 family.Curated

Keywords - Domaini

Signal

Phylogenomic databases

eggNOGiKOG0626 Eukaryota
COG2723 LUCA
HOGENOMiHOG000088630
InParanoidiQ3ECS3
KOiK01237
OMAiDNARIDY
OrthoDBiEOG0936077Q
PhylomeDBiQ3ECS3

Family and domain databases

InterProiView protein in InterPro
IPR001360 Glyco_hydro_1
IPR018120 Glyco_hydro_1_AS
IPR033132 Glyco_hydro_1_N_CS
IPR017853 Glycoside_hydrolase_SF
PANTHERiPTHR10353 PTHR10353, 1 hit
PfamiView protein in Pfam
PF00232 Glyco_hydro_1, 1 hit
PRINTSiPR00131 GLHYDRLASE1
SUPFAMiSSF51445 SSF51445, 1 hit
PROSITEiView protein in PROSITE
PS00572 GLYCOSYL_HYDROL_F1_1, 1 hit
PS00653 GLYCOSYL_HYDROL_F1_2, 1 hit

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q3ECS3-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MAIPKAHYSL AVLVLLFVVV SSSQKVCNPE CKAKEPFHCD NTHAFNRSGF
60 70 80 90 100
PKNFTFGAAT SAYQIEGAAH RALNGWDYFT HRYPEKVPDR SSADLACDSY
110 120 130 140 150
DLYKDDVKLL KRMNVQAYRL SIAWSRVLPK GRLTGGVDEN GITYYNNLIN
160 170 180 190 200
ELKANGIEPY VTIFHWDVPQ TLEDEYGGFL STRIVEDYTN YAELLFQRFG
210 220 230 240 250
DRVKFWITLN QPLSLALKGY GNGSYPPGRC TGCELGGDSG VEPYTVAHNQ
260 270 280 290 300
LLAHAKTVSL YRKRYQKFQG GKIGTTLIGR WFVPLNEFSE LDKAAAKRAF
310 320 330 340 350
DFFVGWFLDP LVYGKYPTIM REMVGDRLPE FTPEESALVK GSLDFLGLNY
360 370 380 390 400
YVSQYATDAP PPTQPNAITD ARVTLGFYRN GSPIGVVASS FVYYPPGFRQ
410 420 430 440 450
ILNYIKDNYK NPLTYITENG VADLDLGNVT LATALADNGR IQNHCSHLSC
460 470 480 490 500
LKCAMKDGCN VAGYFAWSLM DNYEFGNGYT LRFGMNWVNF TNPADRKEKA
510
SGKWFSKFLA K
Length:511
Mass (Da):57,468
Last modified:November 8, 2005 - v1
Checksum:i0CEA34FA0DFB95B5
GO

Sequence cautioni

The sequence AAG52628 differs from that shown. Reason: Erroneous gene model prediction.Curated

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
FJ268796 Genomic DNA Translation: ACO95140.1
AC024261 Genomic DNA Translation: AAG52628.1 Sequence problems.
CP002684 Genomic DNA Translation: AEE32671.1
PIRiA96553
RefSeqiNP_175558.3, NM_104025.4
UniGeneiAt.25235
At.48300

Genome annotation databases

EnsemblPlantsiAT1G51470.1; AT1G51470.1; AT1G51470
GeneIDi841572
GrameneiAT1G51470.1; AT1G51470.1; AT1G51470
KEGGiath:AT1G51470

Similar proteinsi

Entry informationi

Entry nameiBGL35_ARATH
AccessioniPrimary (citable) accession number: Q3ECS3
Secondary accession number(s): Q9C8J9
Entry historyiIntegrated into UniProtKB/Swiss-Prot: December 15, 2009
Last sequence update: November 8, 2005
Last modified: April 25, 2018
This is version 80 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

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