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ABFB_ASPCL
ID   ABFB_ASPCL              Reviewed;         506 AA.
AC   A1CGD1;
DT   15-JUN-2010, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 1.
DT   03-AUG-2022, entry version 79.
DE   RecName: Full=Probable alpha-L-arabinofuranosidase B;
DE            Short=ABF B;
DE            Short=Arabinosidase B;
DE            EC=3.2.1.55;
DE   Flags: Precursor;
GN   Name=abfB; ORFNames=ACLA_066470;
OS   Aspergillus clavatus (strain ATCC 1007 / CBS 513.65 / DSM 816 / NCTC 3887 /
OS   NRRL 1 / QM 1276 / 107).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC   Eurotiomycetidae; Eurotiales; Aspergillaceae; Aspergillus;
OC   Aspergillus subgen. Fumigati.
OX   NCBI_TaxID=344612;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 1007 / CBS 513.65 / DSM 816 / NCTC 3887 / NRRL 1;
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: Alpha-L-arabinofuranosidase involved in the degradation of
CC       arabinoxylan, a major component of plant hemicellulose. Able to
CC       hydrolyze 1,5-, 1,3- and 1,2-alpha-linkages not only in L-
CC       arabinofuranosyl oligosaccharides, but also in polysaccharides
CC       containing terminal non-reducing L-arabinofuranoses in side chains,
CC       like L-arabinan, arabinogalactan and arabinoxylan (By similarity).
CC       {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Hydrolysis of terminal non-reducing alpha-L-arabinofuranoside
CC         residues in alpha-L-arabinosides.; EC=3.2.1.55;
CC   -!- PATHWAY: Glycan metabolism; L-arabinan degradation.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250}.
CC   -!- DOMAIN: Organized into two domains: an N-terminal catalytic domain and
CC       a C-terminal arabinose-binding domain (ABD). {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 54 family. {ECO:0000305}.
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DR   EMBL; DS027053; EAW11011.1; -; Genomic_DNA.
DR   RefSeq; XP_001272437.1; XM_001272436.1.
DR   AlphaFoldDB; A1CGD1; -.
DR   SMR; A1CGD1; -.
DR   STRING; 5057.CADACLAP00006216; -.
DR   EnsemblFungi; EAW11011; EAW11011; ACLA_066470.
DR   GeneID; 4704554; -.
DR   KEGG; act:ACLA_066470; -.
DR   VEuPathDB; FungiDB:ACLA_066470; -.
DR   eggNOG; ENOG502QS3Q; Eukaryota.
DR   HOGENOM; CLU_029332_3_0_1; -.
DR   OMA; HYNGACC; -.
DR   OrthoDB; 783026at2759; -.
DR   UniPathway; UPA00667; -.
DR   Proteomes; UP000006701; Unassembled WGS sequence.
DR   GO; GO:0005576; C:extracellular region; ISS:UniProtKB.
DR   GO; GO:0046556; F:alpha-L-arabinofuranosidase activity; ISS:UniProtKB.
DR   GO; GO:0031222; P:arabinan catabolic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0019566; P:arabinose metabolic process; ISS:UniProtKB.
DR   GO; GO:0046373; P:L-arabinose metabolic process; IEA:InterPro.
DR   GO; GO:0045493; P:xylan catabolic process; IEA:UniProtKB-KW.
DR   InterPro; IPR015289; A-L-arabinofuranosidase_B_cat.
DR   InterPro; IPR038964; ABFB.
DR   InterPro; IPR007934; AbfB_ABD.
DR   InterPro; IPR036195; AbfB_ABD_sf.
DR   InterPro; IPR013320; ConA-like_dom_sf.
DR   PANTHER; PTHR39447; PTHR39447; 1.
DR   Pfam; PF05270; AbfB; 1.
DR   Pfam; PF09206; ArabFuran-catal; 1.
DR   SUPFAM; SSF110221; SSF110221; 1.
DR   SUPFAM; SSF49899; SSF49899; 1.
PE   3: Inferred from homology;
KW   Carbohydrate metabolism; Disulfide bond; Glycoprotein; Glycosidase;
KW   Hydrolase; Polysaccharide degradation; Reference proteome; Secreted;
KW   Signal; Xylan degradation.
FT   SIGNAL          1..26
FT                   /evidence="ECO:0000255"
FT   CHAIN           27..506
FT                   /note="Probable alpha-L-arabinofuranosidase B"
FT                   /id="PRO_0000394603"
FT   REGION          27..343
FT                   /note="Catalytic"
FT                   /evidence="ECO:0000250"
FT   REGION          344..506
FT                   /note="ABD"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        229
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        305
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000250"
FT   BINDING         227
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:Q8NK89"
FT   BINDING         230
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:Q8NK89"
FT   BINDING         304
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:Q8NK89"
FT   BINDING         424
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:Q8NK89"
FT   BINDING         426
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:Q8NK89"
FT   BINDING         427
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:Q8NK89"
FT   BINDING         443
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:Q8NK89"
FT   BINDING         471
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:Q8NK89"
FT   BINDING         476
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:Q8NK89"
FT   BINDING         496
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:Q8NK89"
FT   SITE            184..185
FT                   /note="Cis-peptide bond"
FT                   /evidence="ECO:0000250|UniProtKB:Q8NK89"
FT   CARBOHYD        285
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   DISULFID        29..39
FT                   /evidence="ECO:0000250|UniProtKB:Q8NK89"
FT   DISULFID        89..94
FT                   /evidence="ECO:0000250|UniProtKB:Q8NK89"
FT   DISULFID        184..185
FT                   /evidence="ECO:0000250|UniProtKB:Q8NK89"
FT   DISULFID        409..447
FT                   /evidence="ECO:0000250|UniProtKB:Q8NK89"
SQ   SEQUENCE   506 AA;  51886 MW;  CDEB3D1906F35DD2 CRC64;
     MLSQPSRERA FVLALGLVVS SSLAAAAPCD IYSSGGTPCV AAHSTTRALY SAYSGPLYQV
     KRGSDGATTN IAPRSAGGVA NAAAQDTFCA SMTCLITVIY DQSGRGNHLT QAPPGGFKGP
     EANGYDNLAS AIGAPVTLNG QKAYGVFISP GTGYRNNAAS GTAIGDAAEG MYAVLDGTHY
     NGGCCFDYGN AETSSLDTGN GHMEAIYFGT NTVWGSGSGS GPWIMADLEN GLFSGSSPAN
     NAGDPSVSYR FLTAAIKGGP NRWAIRGANA ASGSLATYYS GARPNASGYN PMSKEGAIIL
     GIGGDNSNGA QGTFYEGVMT SGYPSDATEN AVQADIVAAN YAVTSLTSGP ALTVGSAISL
     RATTSCCTTR YLAHTGSTIN TQVVSSASAT TLKQQATWTV RTGLANSGCF SFESKDTPGS
     FIRHSNFALV LNGNDGTKQF KEDATFCPQA GLNGQGSSIR SWSFPTRYFR HYSNVLYAAS
     NGGVHTFDAA GSFNDDVSWV ISSGFA
 
 
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