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Protein

Endo-1,4-beta-xylanase B

Gene

xlnB

Organism
Aspergillus kawachii (strain NBRC 4308) (White koji mold) (Aspergillus awamori var. kawachi)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

Endo-1,4-beta-xylanase involved in the hydrolysis of xylan, a major structural heterogeneous polysaccharide found in plant biomass representing the second most abundant polysaccharide in the biosphere, after cellulose.By similarity

Catalytic activityi

Endohydrolysis of (1->4)-beta-D-xylosidic linkages in xylans.

Pathwayi: xylan degradation

This protein is involved in the pathway xylan degradation, which is part of Glycan degradation.
View all proteins of this organism that are known to be involved in the pathway xylan degradation and in Glycan degradation.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei121NucleophilePROSITE-ProRule annotation1
Active sitei212Proton donorPROSITE-ProRule annotation1

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Glycosidase, Hydrolase

Keywords - Biological processi

Carbohydrate metabolism, Polysaccharide degradation, Xylan degradation

Enzyme and pathway databases

UniPathwayiUPA00114.

Protein family/group databases

CAZyiGH11. Glycoside Hydrolase Family 11.

Names & Taxonomyi

Protein namesi
Recommended name:
Endo-1,4-beta-xylanase B (EC:3.2.1.8)
Short name:
Xylanase B
Alternative name(s):
1,4-beta-D-xylan xylanohydrolase B
Endo-1,4-beta-xylanase G1
Short name:
Xylanase G1
Gene namesi
Name:xlnB
Synonyms:xynB, xynG1
ORF Names:AKAW_10131
OrganismiAspergillus kawachii (strain NBRC 4308) (White koji mold) (Aspergillus awamori var. kawachi)
Taxonomic identifieri1033177 [NCBI]
Taxonomic lineageiEukaryotaFungiDikaryaAscomycotaPezizomycotinaEurotiomycetesEurotiomycetidaeEurotialesAspergillaceaeAspergillus
Proteomesi
  • UP000006812 Componenti: Unassembled WGS sequence

Subcellular locationi

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 18Sequence analysisAdd BLAST18
ChainiPRO_000000798919 – 225Endo-1,4-beta-xylanase BAdd BLAST207

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini37 – 225GH11PROSITE-ProRule annotationAdd BLAST189

Sequence similaritiesi

Contains 1 GH11 (glycosyl hydrolase family 11) domain.PROSITE-ProRule annotation

Keywords - Domaini

Signal

Phylogenomic databases

InParanoidiP48824.
OrthoDBiEOG092C4K17.

Family and domain databases

Gene3Di2.60.120.180. 1 hit.
InterProiIPR013320. ConA-like_dom.
IPR013319. GH11/12.
IPR018208. GH11_AS_1.
IPR033119. GH11_AS_2.
IPR033123. GH11_dom.
IPR001137. Glyco_hydro_11.
[Graphical view]
PfamiPF00457. Glyco_hydro_11. 1 hit.
[Graphical view]
PRINTSiPR00911. GLHYDRLASE11.
SUPFAMiSSF49899. SSF49899. 1 hit.
PROSITEiPS00776. GH11_1. 1 hit.
PS00777. GH11_2. 1 hit.
PS51761. GH11_3. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

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

P48824-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MLTKNLLLCF AAAKAVLAVP HDSVVERSDA LHKLSERSTP SSTGENNGYY
60 70 80 90 100
YSFWTDGGGD VTYTNGNAGS YSVEWSNVGN FVGGKGWNPG SAKDITYSGT
110 120 130 140 150
FTPSGNGYLS VYGWTTDPLI EYYIVESYGD YNPGSGGTYK GTVTSDGSVY
160 170 180 190 200
DIYTATRTNA PSIQGTATFT QYWSVRQNKR VGGTVTTSNH FNAWAKLGMN
210 220
LGTHNYQILA TEGYQSSGSS SITIQ
Length:225
Mass (Da):24,182
Last modified:March 21, 2012 - v2
Checksum:i2457FA9E0DFE1CB2
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti100T → N in BAA07264 (Ref. 1) Curated1
Sequence conflicti139 – 144YKGTVT → TRGNVS in BAA07264 (Ref. 1) Curated6
Sequence conflicti170T → S in BAA07264 (Ref. 1) Curated1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
D38070 Genomic DNA. Translation: BAA07264.1.
DF126487 Genomic DNA. Translation: GAA92017.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
D38070 Genomic DNA. Translation: BAA07264.1.
DF126487 Genomic DNA. Translation: GAA92017.1.

3D structure databases

ModBaseiSearch...
MobiDBiSearch...

Protein family/group databases

CAZyiGH11. Glycoside Hydrolase Family 11.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Phylogenomic databases

InParanoidiP48824.
OrthoDBiEOG092C4K17.

Enzyme and pathway databases

UniPathwayiUPA00114.

Family and domain databases

Gene3Di2.60.120.180. 1 hit.
InterProiIPR013320. ConA-like_dom.
IPR013319. GH11/12.
IPR018208. GH11_AS_1.
IPR033119. GH11_AS_2.
IPR033123. GH11_dom.
IPR001137. Glyco_hydro_11.
[Graphical view]
PfamiPF00457. Glyco_hydro_11. 1 hit.
[Graphical view]
PRINTSiPR00911. GLHYDRLASE11.
SUPFAMiSSF49899. SSF49899. 1 hit.
PROSITEiPS00776. GH11_1. 1 hit.
PS00777. GH11_2. 1 hit.
PS51761. GH11_3. 1 hit.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry nameiXYNB_ASPKW
AccessioniPrimary (citable) accession number: P48824
Secondary accession number(s): G7XYK8
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 1, 1996
Last sequence update: March 21, 2012
Last modified: September 7, 2016
This is version 79 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programFungal Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  3. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.