ID   CBHA_ASPFN              Reviewed;         455 AA.
AC   B8N7G5;
DT   20-APR-2010, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 69.
DE   RecName: Full=Probable 1,4-beta-D-glucan cellobiohydrolase A;
DE            EC=3.2.1.91;
DE   AltName: Full=Beta-glucancellobiohydrolase A;
DE   AltName: Full=Cellobiohydrolase D;
DE   AltName: Full=Exocellobiohydrolase A;
DE   AltName: Full=Exoglucanase A;
DE   Flags: Precursor;
GN   Name=cbhA; Synonyms=celD; ORFNames=AFLA_021870;
OS   Aspergillus flavus (strain ATCC 200026 / FGSC A1120 / IAM 13836 / NRRL 3357
OS   / JCM 12722 / SRRC 167).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC   Eurotiomycetidae; Eurotiales; Aspergillaceae; Aspergillus;
OC   Aspergillus subgen. Circumdati.
OX   NCBI_TaxID=332952;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 200026 / FGSC A1120 / IAM 13836 / NRRL 3357 / JCM 12722 / SRRC
RC   167;
RX   PubMed=25883274; DOI=10.1128/genomea.00168-15;
RA   Nierman W.C., Yu J., Fedorova-Abrams N.D., Losada L., Cleveland T.E.,
RA   Bhatnagar D., Bennett J.W., Dean R., Payne G.A.;
RT   "Genome sequence of Aspergillus flavus NRRL 3357, a strain that causes
RT   aflatoxin contamination of food and feed.";
RL   Genome Announc. 3:E0016815-E0016815(2015).
CC   -!- FUNCTION: The biological conversion of cellulose to glucose generally
CC       requires three types of hydrolytic enzymes: (1) Endoglucanases which
CC       cut internal beta-1,4-glucosidic bonds; (2) Exocellobiohydrolases that
CC       cut the disaccharide cellobiose from the non-reducing end of the
CC       cellulose polymer chain; (3) Beta-1,4-glucosidases which hydrolyze the
CC       cellobiose and other short cello-oligosaccharides to glucose.
CC       {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Hydrolysis of (1->4)-beta-D-glucosidic linkages in cellulose
CC         and cellotetraose, releasing cellobiose from the non-reducing ends of
CC         the chains.; EC=3.2.1.91;
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 7 (cellulase C) family.
CC       {ECO:0000305}.
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DR   EMBL; EQ963474; EED54935.1; -; Genomic_DNA.
DR   RefSeq; XP_002376207.1; XM_002376166.1.
DR   AlphaFoldDB; B8N7G5; -.
DR   SMR; B8N7G5; -.
DR   STRING; 5059.CADAFLAP00004072; -.
DR   EnsemblFungi; EED54935; EED54935; AFLA_021870.
DR   VEuPathDB; FungiDB:AFLA_021870; -.
DR   eggNOG; ENOG502QPHV; Eukaryota.
DR   HOGENOM; CLU_020817_3_2_1; -.
DR   OMA; ALTWSKC; -.
DR   Proteomes; UP000001875; Unassembled WGS sequence.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0016162; F:cellulose 1,4-beta-cellobiosidase activity; IEA:UniProtKB-EC.
DR   GO; GO:0030245; P:cellulose catabolic process; IEA:UniProtKB-KW.
DR   CDD; cd07999; GH7_CBH_EG; 1.
DR   Gene3D; 2.70.100.10; -; 1.
DR   InterPro; IPR013320; ConA-like_dom_sf.
DR   InterPro; IPR001722; Glyco_hydro_7.
DR   InterPro; IPR037019; Glyco_hydro_7_sf.
DR   PANTHER; PTHR33753; PTHR33753; 1.
DR   Pfam; PF00840; Glyco_hydro_7; 1.
DR   PRINTS; PR00734; GLHYDRLASE7.
DR   SUPFAM; SSF49899; SSF49899; 1.
PE   3: Inferred from homology;
KW   Carbohydrate metabolism; Cellulose degradation; Glycoprotein; Glycosidase;
KW   Hydrolase; Polysaccharide degradation; Secreted; Signal.
FT   SIGNAL          1..17
FT                   /evidence="ECO:0000255"
FT   CHAIN           18..455
FT                   /note="Probable 1,4-beta-D-glucan cellobiohydrolase A"
FT                   /id="PRO_0000393540"
FT   ACT_SITE        227
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        232
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000250"
FT   CARBOHYD        81
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        285
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   455 AA;  48135 MW;  BE240033EABD0ADB CRC64;
     MHQRALLFSA FWTAVQAQQA GTLTAETHPS LTWQKCAAGG TCTEQKGSVV LDSNWRWLHS
     VDGSTNCYTG NTWDATLCPD NESCASNCAL DGADYEGTYG VTTSGDALTL QFVTGANIGS
     RLYLMADDDE SYQTFNLLNN EFTFDVDASK LPCGLNGAVY FVSMDADGGV AKYSTNKAGA
     KYGTGYCDSQ CPRDLKFING QANVEGWEPS DSDKNAGVGG HGSCCPEMDI WEANSISTAY
     TPHPCDDTAQ TMCEGDTCGG TYSSERYAGT CDPDGCDFNA YRMGNESFYG PSKLVDSSSP
     VTVVTQFITA DGTDSGALSE IKRFYVQGGK VIANAASNVD GVTGNSITAD FCTAQKKAFG
     DDDIFAQHGG LQGMGNALSS MVLTLSIWDD HHSSMMWLDS SYPEDADATA PGVARGTCEP
     HAGDPEKVES QSGSATVTYS NIKYGPIGST FDAPA