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PGXB_ASPOR
ID   PGXB_ASPOR              Reviewed;         435 AA.
AC   Q2TW03;
DT   20-APR-2010, integrated into UniProtKB/Swiss-Prot.
DT   20-APR-2010, sequence version 2.
DT   03-AUG-2022, entry version 82.
DE   RecName: Full=Probable exopolygalacturonase B;
DE            EC=3.2.1.67;
DE   AltName: Full=Galacturan 1,4-alpha-galacturonidase B;
DE   AltName: Full=Poly(1,4-alpha-D-galacturonide)galacturonohydrolase B;
DE   Flags: Precursor;
GN   Name=pgxB; ORFNames=AO090010000753;
OS   Aspergillus oryzae (strain ATCC 42149 / RIB 40) (Yellow koji mold).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC   Eurotiomycetidae; Eurotiales; Aspergillaceae; Aspergillus;
OC   Aspergillus subgen. Circumdati.
OX   NCBI_TaxID=510516;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 42149 / RIB 40;
RX   PubMed=16372010; DOI=10.1038/nature04300;
RA   Machida M., Asai K., Sano M., Tanaka T., Kumagai T., Terai G., Kusumoto K.,
RA   Arima T., Akita O., Kashiwagi Y., Abe K., Gomi K., Horiuchi H.,
RA   Kitamoto K., Kobayashi T., Takeuchi M., Denning D.W., Galagan J.E.,
RA   Nierman W.C., Yu J., Archer D.B., Bennett J.W., Bhatnagar D.,
RA   Cleveland T.E., Fedorova N.D., Gotoh O., Horikawa H., Hosoyama A.,
RA   Ichinomiya M., Igarashi R., Iwashita K., Juvvadi P.R., Kato M., Kato Y.,
RA   Kin T., Kokubun A., Maeda H., Maeyama N., Maruyama J., Nagasaki H.,
RA   Nakajima T., Oda K., Okada K., Paulsen I., Sakamoto K., Sawano T.,
RA   Takahashi M., Takase K., Terabayashi Y., Wortman J.R., Yamada O.,
RA   Yamagata Y., Anazawa H., Hata Y., Koide Y., Komori T., Koyama Y.,
RA   Minetoki T., Suharnan S., Tanaka A., Isono K., Kuhara S., Ogasawara N.,
RA   Kikuchi H.;
RT   "Genome sequencing and analysis of Aspergillus oryzae.";
RL   Nature 438:1157-1161(2005).
CC   -!- FUNCTION: Specific in hydrolyzing the terminal glycosidic bond of
CC       polygalacturonic acid and oligogalacturonates. {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=[(1->4)-alpha-D-galacturonosyl](n) + H2O = [(1->4)-alpha-D-
CC         galacturonosyl](n-1) + alpha-D-galacturonate; Xref=Rhea:RHEA:14117,
CC         Rhea:RHEA-COMP:14570, Rhea:RHEA-COMP:14572, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:58658, ChEBI:CHEBI:140523; EC=3.2.1.67;
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 28 family. {ECO:0000305}.
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DR   EMBL; AP007175; BAE66570.1; -; Genomic_DNA.
DR   RefSeq; XP_001827703.2; XM_001827651.2.
DR   AlphaFoldDB; Q2TW03; -.
DR   SMR; Q2TW03; -.
DR   STRING; 510516.Q2TW03; -.
DR   CAZy; GH28; Glycoside Hydrolase Family 28.
DR   PRIDE; Q2TW03; -.
DR   VEuPathDB; FungiDB:AO090010000753; -.
DR   Proteomes; UP000006564; Chromosome 8.
DR   GO; GO:0005576; C:extracellular region; ISS:UniProtKB.
DR   GO; GO:0047911; F:galacturan 1,4-alpha-galacturonidase activity; IEA:UniProtKB-EC.
DR   GO; GO:0004650; F:polygalacturonase activity; ISS:UniProtKB.
DR   GO; GO:0071555; P:cell wall organization; IEA:UniProtKB-KW.
DR   GO; GO:0045490; P:pectin catabolic process; ISS:UniProtKB.
DR   Gene3D; 2.160.20.10; -; 1.
DR   InterPro; IPR000743; Glyco_hydro_28.
DR   InterPro; IPR012334; Pectin_lyas_fold.
DR   InterPro; IPR011050; Pectin_lyase_fold/virulence.
DR   Pfam; PF00295; Glyco_hydro_28; 1.
DR   SUPFAM; SSF51126; SSF51126; 1.
PE   3: Inferred from homology;
KW   Cell wall biogenesis/degradation; Disulfide bond; Glycoprotein;
KW   Glycosidase; Hydrolase; Reference proteome; Repeat; Secreted; Signal.
FT   SIGNAL          1..15
FT                   /evidence="ECO:0000255"
FT   CHAIN           16..435
FT                   /note="Probable exopolygalacturonase B"
FT                   /id="PRO_0000393679"
FT   REPEAT          208..239
FT                   /note="PbH1 1"
FT   REPEAT          240..261
FT                   /note="PbH1 2"
FT   REPEAT          262..283
FT                   /note="PbH1 3"
FT   REPEAT          294..315
FT                   /note="PbH1 4"
FT   REPEAT          326..347
FT                   /note="PbH1 5"
FT   REPEAT          366..388
FT                   /note="PbH1 6"
FT   ACT_SITE        254
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        277
FT                   /evidence="ECO:0000250"
FT   CARBOHYD        59
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        184
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        224
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        262
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        274
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        301
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        328
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        365
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        373
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        406
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   DISULFID        256..273
FT                   /evidence="ECO:0000250"
FT   DISULFID        391..397
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   435 AA;  48386 MW;  C4D45E2D9050B524 CRC64;
     MKFFLATLFA SAVSSIAVDR LIPGAQIIPE SDTRALLRVG GHHDKYHDRR TITIRPSRND
     TDDVSRDFLW GIKHANHGGR LLLKKGEKYV IGRKLDLTFL DDIEVQLDGE LKFTDDVSYW
     QENNFYYDFQ KSITFWRWGG KDIKIFGTGL LNGNGQRWYN EFAGQEILDP DNEYYRPILF
     LTENATRISV EGITQLNSPC WTNFFIQSKD VSFDDVYIHA FSTNKSALPK NSDGFDSLNV
     DGLTVTNTRV DVGDDCFSPK PNTTNIFVQN LLCNNTHGVS MGSIGQYPGV MDIIEHAYIE
     NVTLLNGQNG ARLKAWAGQD VGYGRINNIT YKNIRIENTD APVVLDQCYF DIEAAECAQY
     PSQVNVTNIL FENISGTSSG KNGKVVADLV CSPNAVCSDI QLKNINLTSP AGSPPEIICE
     GVQGDIGVEC QASAD
 
 
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