Reviewed, UniProtKB/Swiss-Prot P55330 (XYN2_ASPNG)

Names and origin

Protein names

Recommended name:
    Endo-1,4-beta-xylanase II
      Short name=Xylanase II
    EC=3.2.1.8
Alternative name(s):
    1,4-beta-D-xylan xylanohydrolase II

Gene names

Name:

xynB

Organism

Aspergillus niger

Taxonomic identifier

5061 [NCBI]

Taxonomic lineage

Eukaryota › Fungi › Dikarya › Ascomycota › Pezizomycotina › Eurotiomycetes › Eurotiomycetidae › Eurotiales › Trichocomaceae › mitosporic Trichocomaceae › Aspergillus

Protein attributes

Sequence length	225 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Inferred from homology.

General annotation (Comments)

Catalytic activity	Endohydrolysis of (1->4)-beta-D-xylosidic linkages in xylans.
Pathway	Glycan degradation; xylan degradation.
Sequence similarities	Belongs to the glycosyl hydrolase 11 (cellulase G) family.

Ontologies

Keywords
Biological process	Xylan degradation
Domain	Signal
Molecular function	Glycosidase Hydrolase
Gene Ontology (GO)
Biological process	xylan catabolic process Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	endo-1,4-beta-xylanase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Signal peptide	1 – 18	18	Potential
	Propeptide	19 – 37	19			PRO_0000007993
	Chain	38 – 225	188	Endo-1,4-beta-xylanase II		PRO_0000007994
Sites
	Active site	121	1	Nucleophile By similarity
	Active site	212	1	Proton donor By similarity

Sequences

	Sequence		Length	Mass (Da)
	P55330-1 [UniParc]. Last modified October 1, 1996. Version 1. Checksum: C4B8BB007AB2B8FD	FASTA	225	24,057
	10 20 30 40 50 60 MLTKNLLLCF AAAKAALAVP HDSVAQRSDA LHMLSERSTP SSTGENNGFY YSFWTDGGGD 70 80 90 100 110 120 VTYTNGDAGA YTVEWSNVGN FVGGKGWNPG SAQDITYSGT FTPSGNGYLS VYGWTTDPLI 130 140 150 160 170 180 EYYIVESYGD YNPGSGGTYK GTVTSDGSVY DIYTATRTNA ASIQGTATFT QYWSVRQNKR 190 200 210 220 VGGTVTTSNH FNAWAKLGMN LGTHNYQIVA TEGYQSSGSS SITVQ

References

[1]	Ito K. Submitted (SEP-1994) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]. Strain: IFO 4066 / RIB 1061.

Cross-references

Sequence databases
EMBLGenBankDDBJ	D38071 Genomic DNA. Translation: BAA07265.1.
3D structure databases
HSSP	HSSP built from PDB template 1XNB based on UniProtKB P09850.
ModBase	Search...
Protein family/group databases
CAZy	GH11. Glycoside Hydrolase Family 11.
Enzyme and pathway databases
BRENDA	3.2.1.8. 277.
Family and domain databases
InterPro	IPR001137. Glyco_hydro_11. IPR013319. Glyco_hydro_11/12_cat. IPR018208. Glyco_hydro_11_AS. [Graphical view]
Gene3D	G3DSA:2.60.120.180. Glyco_hydro_11/12_cat. 1 hit.
Pfam	PF00457. Glyco_hydro_11. 1 hit. [Graphical view]
PRINTS	PR00911. GLHYDRLASE11.
PROSITE	PS00776. GLYCOSYL_HYDROL_F11_1. 1 hit. PS00777. GLYCOSYL_HYDROL_F11_2. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

XYN2_ASPNG

Accession

Primary (citable) accession number: P55330
Secondary accession number(s): Q12557

Entry history

Integrated into UniProtKB/Swiss-Prot:	October 1, 1996
Last sequence update:	October 1, 1996
Last modified:	April 14, 2009
This is version 52 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

FPAP (Fungal Proteome Annotation Project)