ID   ABNA_ASPFC              Reviewed;         321 AA.
AC   B0XZW5;
DT   15-JUN-2010, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   25-MAY-2022, entry version 51.
DE   RecName: Full=Probable arabinan endo-1,5-alpha-L-arabinosidase A;
DE            EC=3.2.1.99;
DE   AltName: Full=Endo-1,5-alpha-L-arabinanase A;
DE            Short=ABN A;
DE   Flags: Precursor;
GN   Name=abnA; ORFNames=AFUB_034610;
OS   Neosartorya fumigata (strain CEA10 / CBS 144.89 / FGSC A1163) (Aspergillus
OS   fumigatus).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC   Eurotiomycetidae; Eurotiales; Aspergillaceae; Aspergillus;
OC   Aspergillus subgen. Fumigati.
OX   NCBI_TaxID=451804;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CEA10 / CBS 144.89 / FGSC A1163;
RX   PubMed=18404212; DOI=10.1371/journal.pgen.1000046;
RA   Fedorova N.D., Khaldi N., Joardar V.S., Maiti R., Amedeo P., Anderson M.J.,
RA   Crabtree J., Silva J.C., Badger J.H., Albarraq A., Angiuoli S., Bussey H.,
RA   Bowyer P., Cotty P.J., Dyer P.S., Egan A., Galens K., Fraser-Liggett C.M.,
RA   Haas B.J., Inman J.M., Kent R., Lemieux S., Malavazi I., Orvis J.,
RA   Roemer T., Ronning C.M., Sundaram J.P., Sutton G., Turner G., Venter J.C.,
RA   White O.R., Whitty B.R., Youngman P., Wolfe K.H., Goldman G.H.,
RA   Wortman J.R., Jiang B., Denning D.W., Nierman W.C.;
RT   "Genomic islands in the pathogenic filamentous fungus Aspergillus
RT   fumigatus.";
RL   PLoS Genet. 4:E1000046-E1000046(2008).
CC   -!- FUNCTION: Endo-1,5-alpha-L-arabinanase involved in degradation of
CC       pectin. Its preferred substrate is linear 1,5-alpha-L-arabinan (By
CC       similarity). {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Endohydrolysis of (1->5)-alpha-arabinofuranosidic linkages in
CC         (1->5)-arabinans.; EC=3.2.1.99;
CC   -!- PATHWAY: Glycan metabolism; L-arabinan degradation.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 43 family. {ECO:0000305}.
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DR   EMBL; DS499596; EDP52297.1; -; Genomic_DNA.
DR   AlphaFoldDB; B0XZW5; -.
DR   SMR; B0XZW5; -.
DR   EnsemblFungi; EDP52297; EDP52297; AFUB_034610.
DR   VEuPathDB; FungiDB:AFUB_034610; -.
DR   HOGENOM; CLU_009397_5_0_1; -.
DR   PhylomeDB; B0XZW5; -.
DR   UniPathway; UPA00667; -.
DR   Proteomes; UP000001699; Unassembled WGS sequence.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0046558; F:arabinan endo-1,5-alpha-L-arabinosidase activity; IEA:UniProtKB-EC.
DR   GO; GO:0031222; P:arabinan catabolic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0045493; P:xylan catabolic process; IEA:UniProtKB-KW.
DR   Gene3D; 2.115.10.20; -; 1.
DR   InterPro; IPR006710; Glyco_hydro_43.
DR   InterPro; IPR016840; Glyco_hydro_43_endo_a_Ara-ase.
DR   InterPro; IPR023296; Glyco_hydro_beta-prop_sf.
DR   Pfam; PF04616; Glyco_hydro_43; 1.
DR   PIRSF; PIRSF026534; Endo_alpha-L-arabinosidase; 1.
DR   SUPFAM; SSF75005; SSF75005; 1.
PE   3: Inferred from homology;
KW   Carbohydrate metabolism; Glycosidase; Hydrolase;
KW   Polysaccharide degradation; Secreted; Signal; Xylan degradation.
FT   SIGNAL          1..19
FT                   /evidence="ECO:0000255"
FT   CHAIN           20..321
FT                   /note="Probable arabinan endo-1,5-alpha-L-arabinosidase A"
FT                   /id="PRO_0000394618"
FT   ACT_SITE        34
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000250|UniProtKB:P94522"
FT   ACT_SITE        200
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000250|UniProtKB:P94522"
FT   SITE            149
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:0000250|UniProtKB:P94522"
SQ   SEQUENCE   321 AA;  34036 MW;  9D9BFFE699F10574 CRC64;
     MSASVFVVVA SCLAALAHGY ANPGSCLGAC NVHDPALIRR ESDGKYFRFS TGNKISYASS
     SSIEGPWTVL GSVLPSGSSI DLPGNDDLWA PDVSLVNGVY HVYYSVSTFG SQSSAIGLAT
     SSTMDLNSWT DHGSTGIQSS SSKPYNAIDG NLFKDGGTYY MNFGSFWHDI YQAPMNSAAT
     SVASSSYNIA YNPSGTHAVE GAFMYKYGNY YYLFFSAGIC CGYDTSRPAS GEEYKIKVCR
     STSATGNFVD ANGVACTNGG GTVVLESHGN VYGPGGQGVF TDPSLGPILY YHYVDTTIGY
     ADSQKLFGWN KIDFSSGWPV V