ID   XYLA2_GEOSE             Reviewed;         618 AA.
AC   P45704;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1995, sequence version 1.
DT   02-SEP-2026, entry version 66.
DE   RecName: Full=Beta-xylosidase;
DE            EC=3.2.1.37;
DE   AltName: Full=1,4-beta-D-xylan xylohydrolase;
DE   AltName: Full=Xylan 1,4-beta-xylosidase;
DE   Flags: Precursor;
GN   Name=xylA;
OS   Geobacillus stearothermophilus (Bacillus stearothermophilus).
OC   Bacteria; Bacillati; Bacillota; Bacilli; Caryophanales; Anoxybacillaceae;
OC   Geobacillus.
OX   NCBI_TaxID=1422;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=No. 236;
RA   Oh H., Choi Y.;
RT   "Sequence analysis of B-xylosidase gene from Bacillus stearothermophilus.";
RL   Korean J. Appl. Microbiol. Biotechnol. 22:134-142(1994).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Hydrolysis of (1->4)-beta-D-xylans, to remove successive D-
CC         xylose residues from the non-reducing termini.; EC=3.2.1.37;
CC   -!- PATHWAY: Glycan degradation; xylan degradation.
CC   -!- SUBCELLULAR LOCATION: Secreted.
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 52 family. {ECO:0000305}.
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DR   EMBL; U15984; AAA50863.1; -; Genomic_DNA.
DR   AlphaFoldDB; P45704; -.
DR   SMR; P45704; -.
DR   UniPathway; UPA00114; -.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0009044; F:xylan 1,4-beta-xylosidase activity; IEA:UniProtKB-EC.
DR   GO; GO:0045493; P:xylan catabolic process; IEA:UniProtKB-UniPathway.
DR   InterPro; IPR000852; Glyco_hydro_52.
DR   Pfam; PF03512; Glyco_hydro_52; 1.
DR   PRINTS; PR00845; GLHYDRLASE52.
PE   3: Inferred from homology;
KW   Carbohydrate metabolism; Glycosidase; Hydrolase;
KW   Polysaccharide degradation; Secreted; Signal; Xylan degradation.
FT   SIGNAL          1..?
FT                   /evidence="ECO:0000255"
FT   CHAIN           ?..618
FT                   /note="Beta-xylosidase"
FT                   /id="PRO_0000012219"
FT   REGION          76..100
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          463..509
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   618 AA;  69627 MW;  7D93B25CC8D03B33 CRC64;
     MSVEQEVINL GKNIFFNAHH SPMGCSPVFT LGYPGQSGGF DLELGSPPNQ NIYIGLQDDG
     QERYRAFPFF GEGLDERDRY TTDESDSGSS ERHSVQQEES GLIIPYNRDE IVRRFGAAID
     EWQAGDLTFR LISPFEGVPD PETATEEQLR FALMPAVLAE ITVDNTRGTS TRKAFFGLQN
     NDPVSAIRRL EDVTGGRICG IGQGRHTAIA RAIRDYQRRI FYDGIDSQAK GSGKPPVWPW
     SGRAVLMDTP AGEKATYRFG LCFYRPVRHN RNRCSYYYSR YFANIEEVAE YALAQFNRKL
     EVARQADALV NDAKLSEDQK FIVAHAIRSY YGSTELLEHD GKPLWIVNEG EYRMMNTFDL
     LVDQLFYELK MNPWTVKNEL DLYTSRYSYR DTVDFPGDAT EYPGGISFTH DMGVANSFSL
     PGYSSYELHA IDDCFSHMTH EQLVNWVLSA TVYVHQTNDR EWLEPQPADS GASLDSMVNR
     DHPDPSQRTG MMGLDSSRTM GGRKSPPIQP GRLVGASAEQ HLFAGKSWAA YVAMEKLFRD
     NGRKSAAALA GRQPELGAGT ITSHLLPGGI FQPSFRRTMT PRSSLRSRVL SSRYTPDAKK
     RWIQTADSVH ILRRCPRI
//