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Protein

Intracellular exo-alpha-L-arabinofuranosidase

Gene

asdII

Organism
Bacteroides ovatus
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Involved in the degradation of arabinan and is a key enzyme in the complete degradation of the plant cell wall. Catalyzes the cleavage of terminal alpha-L-arabinofuranosyl residues in different hemicellulosic homopolysaccharides (branched and debranched arabinans) and heteropolysaccharides (arabinoxylans) (By similarity).By similarity

Catalytic activityi

Hydrolysis of terminal non-reducing alpha-L-arabinofuranoside residues in alpha-L-arabinosides.

Pathwayi: L-arabinan degradation

This protein is involved in the pathway L-arabinan degradation, which is part of Glycan metabolism.
View all proteins of this organism that are known to be involved in the pathway L-arabinan degradation and in Glycan metabolism.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Binding sitei47SubstrateBy similarity1
Binding sitei93Substrate; via amide nitrogenBy similarity1
Active sitei195Proton donor/acceptorBy similarity1
Binding sitei261SubstrateBy similarity1
Active sitei317NucleophileBy similarity1
Binding sitei317SubstrateBy similarity1
Sitei321Important for substrate recognitionBy similarity1
Binding sitei366SubstrateBy similarity1
Sitei366Important for substrate recognitionBy similarity1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionGlycosidase, Hydrolase
Biological processCarbohydrate metabolism

Enzyme and pathway databases

UniPathwayiUPA00667

Protein family/group databases

CAZyiGH51 Glycoside Hydrolase Family 51

Names & Taxonomyi

Protein namesi
Recommended name:
Intracellular exo-alpha-L-arabinofuranosidase (EC:3.2.1.55)
Short name:
ABF
Alternative name(s):
Intracellular arabinan exo-alpha-L-arabinosidase
Short name:
Arabinosidase
Gene namesi
Name:asdII
OrganismiBacteroides ovatus
Taxonomic identifieri28116 [NCBI]
Taxonomic lineageiBacteriaBacteroidetesBacteroidiaBacteroidalesBacteroidaceaeBacteroides

Subcellular locationi

GO - Cellular componenti

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00000577031 – 514Intracellular exo-alpha-L-arabinofuranosidaseAdd BLAST514

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Disulfide bondi93 ↔ 199By similarity

Keywords - PTMi

Disulfide bond

Proteomic databases

PRIDEiQ59219

Interactioni

Subunit structurei

Homohexamer; trimer of dimers.By similarity

Structurei

3D structure databases

ProteinModelPortaliQ59219
SMRiQ59219
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni194 – 195Substrate bindingBy similarity2

Sequence similaritiesi

Belongs to the glycosyl hydrolase 51 family.Curated

Phylogenomic databases

eggNOGiENOG4105CZZ Bacteria
COG3534 LUCA

Family and domain databases

Gene3Di2.60.40.1180, 1 hit
InterProiView protein in InterPro
IPR010720 Alpha-L-AF_C
IPR013780 Glyco_hydro_b
IPR017853 Glycoside_hydrolase_SF
PfamiView protein in Pfam
PF06964 Alpha-L-AF_C, 1 hit
SMARTiView protein in SMART
SM00813 Alpha-L-AF_C, 1 hit
SUPFAMiSSF51445 SSF51445, 1 hit

Sequencei

Sequence statusi: Complete.

Q59219-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MKAKLLVSTA FLAASVSLSA QKSATITVHA DQGKEIIPKE IYGQFAEHLG
60 70 80 90 100
SCIYGGLWVG ENSDIPNIKG YRTDVFNALK DLSVPVLRWP GGCFADEYHW
110 120 130 140 150
MDGIGPKENR PKMVNNNWGG TIEDNSFGTH EFLNLCEMLG CEPYVSGNVG
160 170 180 190 200
SGTVEELAKW VEYMTSDGDS PMANLRRKNG RDKAWKLKYL GVGNESWGCG
210 220 230 240 250
GSMRPEYYAD LYRRYSTYCR NYDGNRLFKI ASGASDYDYK WTDVLMNRVG
260 270 280 290 300
HRMDGLSLHY YTVTGWSGSK GSATQFNKDD YYWTMGKCLE VEDVLKKHCT
310 320 330 340 350
IMDKYDKDKK IALLLDEWGT WWDEEPGTIK GHLYQQNTLR DAFVASLSLD
360 370 380 390 400
VFHKYTDRLK MANIAQIVNV LQSMILTKDK EMVLTPTYYV FKMYKVHQDA
410 420 430 440 450
TYLPIDLTCE KMSVRDNRTV PMVSATASKN KDGVIHISLS NVDADEAQEI
460 470 480 490 500
TINLGDTKAK KAIGEILTAS KLTDYNSFEK PNIVKPAPFK EVKINKGTMK
510
VKLPAKSIVT LELQ
Length:514
Mass (Da):57,979
Last modified:November 1, 1996 - v1
Checksum:iC8E1023A2E098884
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
U15179 Genomic DNA Translation: AAA50393.1
RefSeqiWP_004297450.1, NZ_PUEP01000005.1

Genome annotation databases

GeneIDi29454855

Entry informationi

Entry nameiIABF_BACOV
AccessioniPrimary (citable) accession number: Q59219
Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 1, 1997
Last sequence update: November 1, 1996
Last modified: May 23, 2018
This is version 71 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  3. SIMILARITY comments
    Index of protein domains and families

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