ID   F4QUA3_9CAUL            Unreviewed;       286 AA.
AC   F4QUA3;
DT   28-JUN-2011, integrated into UniProtKB/TrEMBL.
DT   28-JUN-2011, sequence version 1.
DT   27-MAR-2024, entry version 29.
DE   SubName: Full=Xylosidase/arabinosidase {ECO:0000313|EMBL:EGF89403.1};
DE            EC=3.2.1.55 {ECO:0000313|EMBL:EGF89403.1};
GN   ORFNames=ABI_47510 {ECO:0000313|EMBL:EGF89403.1};
OS   Asticcacaulis biprosthecium C19.
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Caulobacterales;
OC   Caulobacteraceae; Asticcacaulis.
OX   NCBI_TaxID=715226 {ECO:0000313|EMBL:EGF89403.1, ECO:0000313|Proteomes:UP000006512};
RN   [1] {ECO:0000313|Proteomes:UP000006512}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=C19 {ECO:0000313|Proteomes:UP000006512};
RA   Brown P.J.B., Buechlein A., Hemmerich C., Brun Y.V.;
RT   "Draft genome sequence of Brevundimonas diminuta.";
RL   Submitted (MAR-2011) to the EMBL/GenBank/DDBJ databases.
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 43 family.
CC       {ECO:0000256|ARBA:ARBA00009865, ECO:0000256|RuleBase:RU361187}.
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DR   EMBL; GL883081; EGF89403.1; -; Genomic_DNA.
DR   AlphaFoldDB; F4QUA3; -.
DR   STRING; 715226.ABI_47510; -.
DR   eggNOG; COG3507; Bacteria.
DR   HOGENOM; CLU_009397_4_1_5; -.
DR   Proteomes; UP000006512; Unassembled WGS sequence.
DR   GO; GO:0046556; F:alpha-L-arabinofuranosidase activity; IEA:UniProtKB-EC.
DR   GO; GO:0005975; P:carbohydrate metabolic process; IEA:UniProtKB-KW.
DR   CDD; cd08990; GH43_AXH_like; 1.
DR   InterPro; IPR006710; Glyco_hydro_43.
DR   InterPro; IPR023296; Glyco_hydro_beta-prop_sf.
DR   PANTHER; PTHR43772:SF6; -; 1.
DR   PANTHER; PTHR43772; ENDO-1,4-BETA-XYLANASE; 1.
DR   Pfam; PF04616; Glyco_hydro_43; 1.
DR   SUPFAM; SSF75005; Arabinanase/levansucrase/invertase; 1.
PE   3: Inferred from homology;
KW   Carbohydrate metabolism {ECO:0000256|ARBA:ARBA00022651};
KW   Glycosidase {ECO:0000256|ARBA:ARBA00023295, ECO:0000256|RuleBase:RU361187};
KW   Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|RuleBase:RU361187};
KW   Polysaccharide degradation {ECO:0000256|ARBA:ARBA00022651};
KW   Xylan degradation {ECO:0000256|ARBA:ARBA00022651}.
FT   ACT_SITE        32
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR606710-1"
FT   ACT_SITE        188
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR606710-1"
FT   SITE            133
FT                   /note="Important for catalytic activity, responsible for
FT                   pKa modulation of the active site Glu and correct
FT                   orientation of both the proton donor and substrate"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR606710-2"
SQ   SEQUENCE   286 AA;  31720 MW;  33A6E9C4ABC42127 CRC64;
     MAAEPISPRF NADPSPHVFD GKVYVYATND QDNSGKYWDS TDWRLFSSND LKTWADEGSF
     LSVTVFKWAK PDAKAWAPEA AYRNGKYYFY APVGGDKIGV AVSDHPKGPF IDARSDALVD
     KARDANAGAE PIDPAVLIDD DGQAYLLFGT RVPKIVRLKA NMIETEGPIL DIAIEGFPAD
     DAKKKYGEAP YLHKRDGIYY FTFSTGWPGQ IVYATAATPL GPFTYRGVVL DYLEINTNHQ
     AIIDFQGQPW LFYHDKLLEG GGSYKRSITF APLSYSEGGA MVEVRK
//