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B0Y8K2

- CBHB_ASPFC

UniProt

B0Y8K2 - CBHB_ASPFC

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Protein
Probable 1,4-beta-D-glucan cellobiohydrolase B
Gene
cbhB, AFUB_077630
Organism
Neosartorya fumigata (strain CEA10 / CBS 144.89 / FGSC A1163) (Aspergillus fumigatus)
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

The biological conversion of cellulose to glucose generally requires three types of hydrolytic enzymes: (1) Endoglucanases which cut internal beta-1,4-glucosidic bonds; (2) Exocellobiohydrolases that cut the dissaccharide cellobiose from the non-reducing end of the cellulose polymer chain; (3) Beta-1,4-glucosidases which hydrolyze the cellobiose and other short cello-oligosaccharides to glucose By similarity.

Catalytic activityi

Hydrolysis of (1->4)-beta-D-glucosidic linkages in cellulose and cellotetraose, releasing cellobiose from the non-reducing ends of the chains.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei238 – 2381Nucleophile By similarity
Active sitei243 – 2431Proton donor By similarity

GO - Molecular functioni

  1. cellulose 1,4-beta-cellobiosidase activity Source: UniProtKB-EC
  2. cellulose binding Source: InterPro
Complete GO annotation...

GO - Biological processi

  1. cellulose catabolic process Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

Glycosidase, Hydrolase

Keywords - Biological processi

Carbohydrate metabolism, Cellulose degradation, Polysaccharide degradation

Names & Taxonomyi

Protein namesi
Recommended name:
Probable 1,4-beta-D-glucan cellobiohydrolase B (EC:3.2.1.91)
Alternative name(s):
Beta-glucancellobiohydrolase B
Exocellobiohydrolase B
Exoglucanase B
Gene namesi
Name:cbhB
ORF Names:AFUB_077630
OrganismiNeosartorya fumigata (strain CEA10 / CBS 144.89 / FGSC A1163) (Aspergillus fumigatus)
Taxonomic identifieri451804 [NCBI]
Taxonomic lineageiEukaryotaFungiDikaryaAscomycotaPezizomycotinaEurotiomycetesEurotiomycetidaeEurotialesAspergillaceaeAspergillus
ProteomesiUP000001699: Unassembled WGS sequence

Subcellular locationi

Secreted Inferred

GO - Cellular componenti

  1. extracellular region Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Signal peptidei1 – 2626 Reviewed prediction
Add
BLAST
Chaini27 – 532506Probable 1,4-beta-D-glucan cellobiohydrolase B
PRO_0000393547Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Glycosylationi296 – 2961N-linked (GlcNAc...) Reviewed prediction
Disulfide bondi504 ↔ 521 By similarity
Disulfide bondi515 ↔ 531 By similarity

Keywords - PTMi

Disulfide bond, Glycoprotein

Structurei

3D structure databases

ProteinModelPortaliB0Y8K2.
SMRiB0Y8K2. Positions 27-463, 500-532.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini496 – 53237CBM1
Add
BLAST

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni27 – 461435Catalytic
Add
BLAST
Regioni462 – 49635Thr-rich linker
Add
BLAST

Sequence similaritiesi

Keywords - Domaini

Signal

Phylogenomic databases

HOGENOMiHOG000182210.
OrthoDBiEOG7ZGXCF.
PhylomeDBiB0Y8K2.

Family and domain databases

Gene3Di2.70.100.10. 1 hit.
InterProiIPR000254. Cellulose-bd_dom_fun.
IPR008985. ConA-like_lec_gl_sf.
IPR001722. Glyco_hydro_7.
[Graphical view]
PfamiPF00734. CBM_1. 1 hit.
PF00840. Glyco_hydro_7. 1 hit.
[Graphical view]
PRINTSiPR00734. GLHYDRLASE7.
ProDomiPD001821. CBD_fun. 1 hit.
[Graphical view] [Entries sharing at least one domain]
SMARTiSM00236. fCBD. 1 hit.
[Graphical view]
SUPFAMiSSF49899. SSF49899. 1 hit.
SSF57180. SSF57180. 1 hit.
PROSITEiPS00562. CBM1_1. 1 hit.
PS51164. CBM1_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

B0Y8K2-1 [UniParc]FASTAAdd to Basket

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MLASTFSYRM YKTALILAAL LGSGQAQQVG TSQAEVHPSM TWQSCTAGGS    50
CTTNNGKVVI DANWRWVHKV GDYTNCYTGN TWDTTICPDD ATCASNCALE 100
GANYESTYGV TASGNSLRLN FVTTSQQKNI GSRLYMMKDD STYEMFKLLN 150
QEFTFDVDVS NLPCGLNGAL YFVAMDADGG MSKYPTNKAG AKYGTGYCDS 200
QCPRDLKFIN GQANVEGWQP SSNDANAGTG NHGSCCAEMD IWEANSISTA 250
FTPHPCDTPG QVMCTGDACG GTYSSDRYGG TCDPDGCDFN SFRQGNKTFY 300
GPGMTVDTKS KFTVVTQFIT DDGTSSGTLK EIKRFYVQNG KVIPNSESTW 350
TGVSGNSITT EYCTAQKSLF QDQNVFEKHG GLEGMGAALA QGMVLVMSLW 400
DDHSANMLWL DSNYPTTASS TTPGVARGTC DISSGVPADV EANHPDAYVV 450
YSNIKVGPIG STFNSGGSNP GGGTTTTTTT QPTTTTTTAG NPGGTGVAQH 500
YGQCGGIGWT GPTTCASPYT CQKLNDYYSQ CL 532
Length:532
Mass (Da):56,457
Last modified:April 8, 2008 - v1
Checksum:i03EBC7D15A5EAE78
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
DS499599 Genomic DNA. Translation: EDP49733.1.

Genome annotation databases

EnsemblFungiiCADAFUBT00007703; CADAFUBP00007567; CADAFUBG00007703.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
DS499599 Genomic DNA. Translation: EDP49733.1 .

3D structure databases

ProteinModelPortali B0Y8K2.
SMRi B0Y8K2. Positions 27-463, 500-532.
ModBasei Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblFungii CADAFUBT00007703 ; CADAFUBP00007567 ; CADAFUBG00007703 .

Phylogenomic databases

HOGENOMi HOG000182210.
OrthoDBi EOG7ZGXCF.
PhylomeDBi B0Y8K2.

Family and domain databases

Gene3Di 2.70.100.10. 1 hit.
InterProi IPR000254. Cellulose-bd_dom_fun.
IPR008985. ConA-like_lec_gl_sf.
IPR001722. Glyco_hydro_7.
[Graphical view ]
Pfami PF00734. CBM_1. 1 hit.
PF00840. Glyco_hydro_7. 1 hit.
[Graphical view ]
PRINTSi PR00734. GLHYDRLASE7.
ProDomi PD001821. CBD_fun. 1 hit.
[Graphical view ] [Entries sharing at least one domain ]
SMARTi SM00236. fCBD. 1 hit.
[Graphical view ]
SUPFAMi SSF49899. SSF49899. 1 hit.
SSF57180. SSF57180. 1 hit.
PROSITEi PS00562. CBM1_1. 1 hit.
PS51164. CBM1_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: CEA10 / CBS 144.89 / FGSC A1163.

Entry informationi

Entry nameiCBHB_ASPFC
AccessioniPrimary (citable) accession number: B0Y8K2
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 20, 2010
Last sequence update: April 8, 2008
Last modified: April 16, 2014
This is version 28 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programFungal Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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