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EBDG_HYPJE
ID   EBDG_HYPJE              Reviewed;         892 AA.
AC   Q4R1C4;
DT   05-OCT-2010, integrated into UniProtKB/Swiss-Prot.
DT   19-JUL-2005, sequence version 1.
DT   25-MAY-2022, entry version 77.
DE   RecName: Full=Exo-beta-D-glucosaminidase {ECO:0000312|EMBL:BAD99604.1};
DE            EC=3.2.1.165;
DE   Flags: Precursor;
GN   Name=gls93 {ECO:0000312|EMBL:BAD99604.1};
OS   Hypocrea jecorina (Trichoderma reesei).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Sordariomycetes;
OC   Hypocreomycetidae; Hypocreales; Hypocreaceae; Trichoderma.
OX   NCBI_TaxID=51453;
RN   [1] {ECO:0000305, ECO:0000312|EMBL:BAD99604.1}
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], PROTEIN SEQUENCE OF 29-41; 112-135;
RP   447-461 AND 812-841, FUNCTION, AND CATALYTIC ACTIVITY.
RC   STRAIN=PC-3-7 {ECO:0000269|PubMed:16636831};
RX   PubMed=16636831; DOI=10.1007/s00253-006-0320-y;
RA   Ike M., Isami K., Tanabe Y., Nogawa M., Ogasawara W., Okada H.,
RA   Morikawa Y.;
RT   "Cloning and heterologous expression of the exo-beta-D-glucosaminidase-
RT   encoding gene (gls93) from a filamentous fungus, Trichoderma reesei PC-3-
RT   7.";
RL   Appl. Microbiol. Biotechnol. 72:687-695(2006).
RN   [2] {ECO:0000305}
RP   FUNCTION, CATALYTIC ACTIVITY, BIOPHYSICOCHEMICAL PROPERTIES, SUBUNIT,
RP   SUBCELLULAR LOCATION, AND INDUCTION.
RX   PubMed=16349528; DOI=10.1128/aem.64.3.890-895.1998;
RA   Nogawa M., Takahashi H., Kashiwagi A., Ohshima K., Okada H., Morikawa Y.;
RT   "Purification and Characterization of Exo-beta-d-Glucosaminidase from a
RT   Cellulolytic Fungus, Trichoderma reesei PC-3-7.";
RL   Appl. Environ. Microbiol. 64:890-895(1998).
CC   -!- FUNCTION: Hydrolyzes chitosan and chitooligosaccharides with retention
CC       of anomeric configuration. Has no activity against beta-D-galactoside,
CC       beta-D-glucuronide, beta-D-mannoside, chitin, glycol chitosan,
CC       cellulose, N,N'-diacetylchitibiose and pNP-GlcNAc.
CC       {ECO:0000269|PubMed:16349528, ECO:0000269|PubMed:16636831}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Hydrolysis of chitosan or chitosan oligosaccharides to remove
CC         successive D-glucosamine residues from the non-reducing termini.;
CC         EC=3.2.1.165; Evidence={ECO:0000269|PubMed:16349528,
CC         ECO:0000269|PubMed:16636831};
CC   -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC       pH dependence:
CC         Optimum pH is 4.0. Stable between pH 6.0 and 9.0.
CC         {ECO:0000269|PubMed:16349528};
CC       Temperature dependence:
CC         Optimum temperature is 50 degrees Celsius. Stable below 50 degrees
CC         Celsius. {ECO:0000269|PubMed:16349528};
CC   -!- SUBUNIT: Monomer. {ECO:0000269|PubMed:16349528}.
CC   -!- SUBCELLULAR LOCATION: Secreted, extracellular space
CC       {ECO:0000269|PubMed:16349528}.
CC   -!- INDUCTION: By growth on GlcN or GlcNAc. {ECO:0000269|PubMed:16349528}.
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 2 family. {ECO:0000255}.
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DR   EMBL; AB218755; BAD99604.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q4R1C4; -.
DR   SMR; Q4R1C4; -.
DR   CAZy; GH2; Glycoside Hydrolase Family 2.
DR   CLAE; GLS2A_TRIRE; -.
DR   KEGG; ag:BAD99604; -.
DR   VEuPathDB; FungiDB:TrQ_000043; -.
DR   OMA; VDWNPYP; -.
DR   BRENDA; 3.2.1.165; 6451.
DR   GO; GO:0005576; C:extracellular region; IDA:UniProtKB.
DR   GO; GO:0005615; C:extracellular space; IEA:UniProtKB-SubCell.
DR   GO; GO:0052761; F:exo-1,4-beta-D-glucosaminidase activity; IEA:UniProtKB-EC.
DR   GO; GO:0004553; F:hydrolase activity, hydrolyzing O-glycosyl compounds; IDA:UniProtKB.
DR   GO; GO:0006032; P:chitin catabolic process; IEA:UniProtKB-KW.
DR   GO; GO:0000272; P:polysaccharide catabolic process; IDA:UniProtKB.
DR   Gene3D; 2.60.40.10; -; 3.
DR   InterPro; IPR036156; Beta-gal/glucu_dom_sf.
DR   InterPro; IPR043534; EBDG/EBM.
DR   InterPro; IPR028829; Exo-b-D-glucosamin.
DR   InterPro; IPR008979; Galactose-bd-like_sf.
DR   InterPro; IPR006102; Glyco_hydro_2_Ig-like.
DR   InterPro; IPR017853; Glycoside_hydrolase_SF.
DR   InterPro; IPR013783; Ig-like_fold.
DR   InterPro; IPR041351; Ig_GlcNase.
DR   InterPro; IPR041447; Mannosidase_ig.
DR   PANTHER; PTHR43536; PTHR43536; 1.
DR   PANTHER; PTHR43536:SF1; PTHR43536:SF1; 1.
DR   Pfam; PF00703; Glyco_hydro_2; 1.
DR   Pfam; PF18368; Ig_GlcNase; 1.
DR   Pfam; PF17786; Mannosidase_ig; 1.
DR   SUPFAM; SSF49303; SSF49303; 3.
DR   SUPFAM; SSF49785; SSF49785; 1.
DR   SUPFAM; SSF51445; SSF51445; 1.
PE   1: Evidence at protein level;
KW   Carbohydrate metabolism; Chitin degradation; Direct protein sequencing;
KW   Glycoprotein; Glycosidase; Hydrolase; Polysaccharide degradation; Secreted;
KW   Signal.
FT   SIGNAL          1..18
FT                   /evidence="ECO:0000255"
FT   PROPEP          19..28
FT                   /evidence="ECO:0000255, ECO:0000269|PubMed:16636831"
FT                   /id="PRO_0000399048"
FT   CHAIN           29..892
FT                   /note="Exo-beta-D-glucosaminidase"
FT                   /evidence="ECO:0000269|PubMed:16636831"
FT                   /id="PRO_5000052424"
FT   ACT_SITE        464
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000250|UniProtKB:Q56F26"
FT   ACT_SITE        539
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000250|UniProtKB:Q56F26"
FT   CARBOHYD        196
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        336
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        440
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        557
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        578
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        689
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        825
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   892 AA;  99428 MW;  AA91240261C26570 CRC64;
     MLANAIAALL LGSGIASAAG HGSPLTSKAG HRAVIPDWDL KSSSDVSKDL GGLSKPGVDT
     SSWYHAGTSR CTIMGCLINA GVYNDEELWY SDNLNHVNWG QFSVPWVYRH EFALSPAKGK
     HFLLQTNGIT SKADLFFNGK QIADKEYQSG AYAGRTYDIT NLAAKKNALL VQVYPTDYLY
     DFALGYVDWN PYPSDNGSGI WRDITIKETG SVSMGPVSVL VDIDVPVEKN PARVTVRAEA
     QNLESHAVEF NAAAVISGNS CSGEALKQTI KLAPGEKKLV QFTQTIKTPS IWWPKQWGDQ
     PLYTAEVTFS VKGAVSDTAQ TKFGVRKVTS FVNQFNDTQY SVNGHPFQVI GGGYGADMFL
     RWDSERFTRI VEYMLDMHQN TIRLEGKMEH PELYEICDEY GLMVMPGWEC CDKWEAWAYN
     DELAIFPPPV WDANDYETAN YSMIHEAAMM QPHPSVLTFL VGSDFWPNDE AVVLYANALK
     NAGWQTPIIA SASKRGFPAL LGPGGMKMDG PYDWVPPNYW YDVEPSEDRL GAAFGFGSEL
     GAGVGTPELS SLRRFLNQSD LDDLWKNPNK NLFHMSTNAS SFYNRKIYNQ GLWKRYGAPT
     SLDDYLLKAQ MMDYEATRAQ YEGFGALWTA SRPATGVIYW MLNNAWPSLH WNQFDYYLHP
     AGSYFGTKVG SRIEHVAYNY QKKEIWVINH SLYQTGSRNI KVELIDMNGK QIAKKLVQVR
     TKANSGFKAM DISSDINKLS SVAFLRLVLS DEKGSVLSRN VYWVTKTIDE LNWDESTWYY
     TPVSKFVDYT PLNTLATAQV SVTTSGGKHL PGIPGSQTRT VTLENKSSVP AVFIRLTLVD
     SKGNDVNPVS WSDNYVTLWP HEKLQLEVGG WDGSGDKIQI SGKNIKATTV KL
 
 
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