xynB

Functionⁱ

Xylanase B contributes to hydrolyze hemicellulose, the major component of plant cell-walls.

Catalytic activityⁱ

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

Pathwayⁱ: hemicellulose degradation

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

Sites

Feature key	Position(s)	DescriptionActions	Graphical view	Length
Active siteⁱ	431	Proton donorBy similarity		1
Active siteⁱ	530	NucleophilePROSITE-ProRule annotation		1

GO - Molecular functionⁱ

endo-1,4-beta-xylanase activity Source: UniProtKB-EC
polysaccharide binding Source: InterPro

View the complete GO annotation on QuickGO ...

GO - Biological processⁱ

cellulose catabolic process Source: UniProtKB-KW
xylan catabolic process Source: UniProtKB-KW

View the complete GO annotation on QuickGO ...

Keywordsⁱ

Molecular function	Glycosidase, Hydrolase
Biological process	Carbohydrate metabolism, Cellulose degradation, Polysaccharide degradation, Xylan degradation

Enzyme and pathway databases

BioCycⁱ	CJAP498211:G1GB3-3269-MONOMER
UniPathwayⁱ	UPA00697

Protein family/group databases

Carbohydrate-Active enZymes More...CAZyⁱ	CBM2 Carbohydrate-Binding Module Family 2 CBM35 Carbohydrate-Binding Module Family 35 GH10 Glycoside Hydrolase Family 10

CAZyⁱ

CBM2 Carbohydrate-Binding Module Family 2
CBM35 Carbohydrate-Binding Module Family 35
GH10 Glycoside Hydrolase Family 10

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
Gene namesⁱ	Name:xynB Synonyms:xyn10B Ordered Locus Names:CJA_3280
Organismⁱ	Cellvibrio japonicus (strain Ueda107) (Pseudomonas fluorescens subsp. cellulosa)
Taxonomic identifierⁱ	498211 [NCBI]
Taxonomic lineageⁱ	cellular organisms › Bacteria › Proteobacteria › Gammaproteobacteria › Cellvibrionales › Cellvibrionaceae › Cellvibrio › Cellvibrio japonicus
Proteomesⁱ	UP000001036 Componentⁱ: Chromosome

PTM / Processingⁱ

Molecule processing

Feature key	Position(s)	DescriptionActions	Graphical view	Length
Signal peptideⁱ	1 – 37	1 PublicationAdd BLAST		37
ChainⁱPRO_0000007978	38 – 599	Endo-1,4-beta-xylanase BAdd BLAST		562

Amino acid modifications

Feature key	Position(s)	DescriptionActions	Graphical view	Length
Disulfide bondⁱ	39 ↔ 133	By similarity

Keywords - PTMⁱ

Disulfide bond

Proteomic databases

PRIDEⁱ	P23030

PRIDEⁱ

P23030

Interactionⁱ

Protein-protein interaction databases

STRINGⁱ	498211.CJA_3280

STRINGⁱ

498211.CJA_3280

Structureⁱ

3D structure databases

ProteinModelPortalⁱ	P23030
ModBaseⁱ	Search...
MobiDBⁱ	Search...

Family & Domainsⁱ

Domains and Repeats

Feature key	Position(s)	DescriptionActions	Length
Domainⁱ	38 – 136	CBM2PROSITE-ProRule annotationAdd BLAST	99
Domainⁱ	163 – 289	CBM6PROSITE-ProRule annotationAdd BLAST	127
Domainⁱ	315 – 595	GH10PROSITE-ProRule annotationAdd BLAST	281

Compositional bias

Feature key	Position(s)	DescriptionActions	Graphical view	Length
Compositional biasⁱ	135 – 162	Ser-rich (linker)Add BLAST		28
Compositional biasⁱ	300 – 320	Ser-rich (linker)Add BLAST		21

Sequence similaritiesⁱ

Belongs to the glycosyl hydrolase 10 (cellulase F) family.Curated

Keywords - Domainⁱ

Signal

Phylogenomic databases

eggNOGⁱ	COG3693 LUCA
Database of Orthologous Groups More...OrthoDBⁱ	POG091H2PDZ

Family and domain databases

Gene3Dⁱ	2.60.120.260, 1 hit 2.60.40.290, 1 hit
InterProⁱ	View protein in InterPro IPR001919 CBD2 IPR008965 CBM2/CBM3_carb-bd_dom_sf IPR012291 CBM2_carb-bd_dom_sf IPR018366 CBM2_CS IPR005084 CMB_fam6 IPR008979 Galactose-bd-like_sf IPR001000 GH10 IPR031158 GH10_AS IPR017853 Glycoside_hydrolase_SF
Pfam protein domain database More...Pfamⁱ	View protein in Pfam PF00553 CBM_2, 1 hit PF03422 CBM_6, 1 hit PF00331 Glyco_hydro_10, 1 hit
PRINTSⁱ	PR00134 GLHYDRLASE10
SMARTⁱ	View protein in SMART SM00637 CBD_II, 1 hit SM00633 Glyco_10, 1 hit
SUPFAMⁱ	SSF49384 SSF49384, 1 hit SSF49785 SSF49785, 1 hit SSF51445 SSF51445, 1 hit
PROSITEⁱ	View protein in PROSITE PS51173 CBM2, 1 hit PS00561 CBM2_A, 1 hit PS51175 CBM6, 1 hit PS00591 GH10_1, 1 hit PS51760 GH10_2, 1 hit

Sequenceⁱ

Sequence statusⁱ: Complete.

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

P23030-1 [UniParc]FASTA Add to basket

« Hide

        10         20         30         40         50
MTISASDYRH PGNFLKRTTA LLCVGTALTA LAFNASAACT YTIDSEWSTG 
        60         70         80         90        100
FTANITLKND TGAAINNWNV NWQYSSNRMT SGWNANFSGT NPYNATNMSW 
       110        120        130        140        150
NGSIAPGQSI SFGLQGEKNG STAERPTVTG AACNSATTSS VASSSSTPTT 
       160        170        180        190        200
SSSSASSVAS ALLLQEAQAG FCRVDGTIDN NHTGFTGSGF ANTNNAQGAA 
       210        220        230        240        250
VVWAIDATSS GRRTLTIRYA NGGTANRNGS LVINGGSNGN YTVSLPTTGA 
       260        270        280        290        300
WTTWQTATID VDLVQGNNIV QLSATTAEGL PNIDSLSVVG GTVRAGNCGS 
       310        320        330        340        350
VSSSSSVQSS SSSSSSSAAS AKKFIGNITT SGAVRSDFTR YWNQITPENE 
       360        370        380        390        400
SKWGSVEGTR NVYNWAPLDR IYAYARQNNI PVKAHTFVWG AQSPSWLNNL 
       410        420        430        440        450
SGPEVAVEIE QWIRDYCARY PDTAMIDVVN EAVPGHQPAG YAQRAFGNNW 
       460        470        480        490        500
IQRVFQLARQ YCPNSILILN DYNNIRWQHN EFIALAKAQG NYIDAVGLQA 
       510        520        530        540        550
HELKGMTAAQ VKTAIDNIWN QVGKPIYISE YDIGDTNDQV QLQNFQAHFP 
       560        570        580        590 
VFYNHPHVHG ITLWGYVVGR TWIEGSGLIQ DNGTPRPAMT WLINNYLNQ

Length:599

Mass (Da):64,363

Last modified:April 20, 2010 - v2

Checksum:ⁱD2DE51E5FD4B33E5

GO

Experimental Info

Feature key	Position(s)	DescriptionActions	Graphical view	Length
Sequence conflictⁱ	563 – 598	LWGYV…NNYLN → SGICGGQDLDRRLRFDPGQW HTAPGNDVVD in CAA38389 (PubMed:2125205).CuratedAdd BLAST		36

Sequence databases

Select the link destinations: EMBLⁱ GenBankⁱ DDBJⁱ Links Updated	X54523 Genomic DNA Translation: CAA38389.1 CP000934 Genomic DNA Translation: ACE84499.1
NCBI Reference Sequences More...RefSeqⁱ	WP_012488856.1, NC_010995.1

Genome annotation databases

EnsemblBacteriaⁱ	ACE84499; ACE84499; CJA_3280
KEGGⁱ	cja:CJA_3280

Similar proteinsⁱ

50% Identity

Protein	Similar proteins		Species	Score	Length	Source
P23030	Beta-xylanase		VIBGA		491	UniRef50_P23030
Beta-xylanase		Vibrio ruber DSM 16370		502
Beta-xylanase		Vibrio gazogenes DSM 21264 = NBRC 103151		491
Beta-xylanase		Cellvibrio sp. PSBB006		611
Beta-xylanase		Vibrio sp. MEBiC08052		500

Entry informationⁱ

Entry nameⁱ	XYNB_CELJU
Accessionⁱ	P23030Primary (citable) accession number: P23030 Secondary accession number(s): B3PEH8
Entry historyⁱ	Integrated into UniProtKB/Swiss-Prot:	November 1, 1991
	Last sequence update:	April 20, 2010
	Last modified:	June 20, 2018
	This is version 120 of the entry and version 2 of the sequence. See complete history.
Entry statusⁱ	Reviewed (UniProtKB/Swiss-Prot)
Annotation program	Prokaryotic Protein Annotation Program

Miscellaneousⁱ

Keywords - Technical termⁱ

Complete proteome, Direct protein sequencing, Reference proteome

UniProtKB - P23030 (XYNB_CELJU)

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Endo-1,4-beta-xylanase B

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Functionⁱ

Catalytic activityⁱ

Pathwayⁱ: hemicellulose degradation

Sites

GO - Molecular functionⁱ

GO - Biological processⁱ

Keywordsⁱ

Enzyme and pathway databases

Protein family/group databases

Names & Taxonomyⁱ

PTM / Processingⁱ

Molecule processing

Amino acid modifications

Keywords - PTMⁱ

Proteomic databases

Interactionⁱ

Protein-protein interaction databases

Structureⁱ

3D structure databases

Family & Domainsⁱ

Domains and Repeats

Compositional bias

Sequence similaritiesⁱ

Keywords - Domainⁱ

Phylogenomic databases

Family and domain databases

Sequenceⁱ

Experimental Info

Sequence databases

Genome annotation databases

Similar proteinsⁱ

Entry informationⁱ

Miscellaneousⁱ

Keywords - Technical termⁱ

UniProt is an ELIXIR core data resource

UniProtKB

UniParc

Help

UniRef

Proteomes

Annotation systems

Supporting data

UniProtKB - P23030 (XYNB_CELJU)

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Endo-1,4-beta-xylanase B

xynB

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<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: hemicellulose degradation

Sites

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

GO - Biological processi

Enzyme and pathway databases

Protein family/group databases

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Amino acid modifications

Keywords - PTMi

Proteomic databases

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

Protein-protein interaction databases

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Domains and Repeats

Compositional bias

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Keywords - Domaini

Phylogenomic databases

Family and domain databases

Experimental Info

Sequence databases

Genome annotation databases

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

UniProt is an ELIXIR core data resource

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Functionⁱ

Pathwayⁱ: hemicellulose degradation

GO - Molecular functionⁱ

GO - Biological processⁱ

Names & Taxonomyⁱ

PTM / Processingⁱ

Keywords - PTMⁱ

Interactionⁱ

Structureⁱ

Family & Domainsⁱ

Sequence similaritiesⁱ

Keywords - Domainⁱ

Entry informationⁱ

Miscellaneousⁱ

Keywords - Technical termⁱ