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Protein

Endo-1,4-beta-xylanase B

Gene

xynB

Organism
Cellvibrio japonicus (strain Ueda107) (Pseudomonas fluorescens subsp. cellulosa)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

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 keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei431Proton donorBy similarity1
Active sitei530NucleophilePROSITE-ProRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionGlycosidase, Hydrolase
Biological processCarbohydrate metabolism, Cellulose degradation, Polysaccharide degradation, Xylan degradation

Enzyme and pathway databases

BioCyciCJAP498211:G1GB3-3269-MONOMER
UniPathwayi
UPA00697

Protein family/group databases

CAZyiCBM2 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
OrganismiCellvibrio japonicus (strain Ueda107) (Pseudomonas fluorescens subsp. cellulosa)
Taxonomic identifieri498211 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaCellvibrionalesCellvibrionaceaeCellvibrio
Proteomesi
  • UP000001036 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 371 PublicationAdd BLAST37
ChainiPRO_000000797838 – 599Endo-1,4-beta-xylanase BAdd BLAST562

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Disulfide bondi39 ↔ 133By similarity

Keywords - PTMi

Disulfide bond

Proteomic databases

PRIDEiP23030

Interactioni

Protein-protein interaction databases

STRINGi498211.CJA_3280

Structurei

3D structure databases

ProteinModelPortaliP23030
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini38 – 136CBM2PROSITE-ProRule annotationAdd BLAST99
Domaini163 – 289CBM6PROSITE-ProRule annotationAdd BLAST127
Domaini315 – 595GH10PROSITE-ProRule annotationAdd BLAST281

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Compositional biasi135 – 162Ser-rich (linker)Add BLAST28
Compositional biasi300 – 320Ser-rich (linker)Add BLAST21

Sequence similaritiesi

Keywords - Domaini

Signal

Phylogenomic databases

eggNOGiCOG3693 LUCA
OrthoDBiPOG091H2PDZ

Family and domain databases

Gene3Di2.60.120.260, 1 hit
2.60.40.290, 1 hit
InterProiView 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
PfamiView protein in Pfam
PF00553 CBM_2, 1 hit
PF03422 CBM_6, 1 hit
PF00331 Glyco_hydro_10, 1 hit
PRINTSiPR00134 GLHYDRLASE10
SMARTiView protein in SMART
SM00637 CBD_II, 1 hit
SM00633 Glyco_10, 1 hit
SUPFAMiSSF49384 SSF49384, 1 hit
SSF49785 SSF49785, 1 hit
SSF51445 SSF51445, 1 hit
PROSITEiView 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]FASTAAdd 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 keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti563 – 598LWGYV…NNYLN → SGICGGQDLDRRLRFDPGQW HTAPGNDVVD in CAA38389 (PubMed:2125205).CuratedAdd BLAST36

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X54523 Genomic DNA Translation: CAA38389.1
CP000934 Genomic DNA Translation: ACE84499.1
RefSeqiWP_012488856.1, NC_010995.1

Genome annotation databases

EnsemblBacteriaiACE84499; ACE84499; CJA_3280
KEGGicja:CJA_3280

Similar proteinsi

Entry informationi

Entry nameiXYNB_CELJU
AccessioniPrimary (citable) accession number: P23030
Secondary accession number(s): B3PEH8
Entry historyiIntegrated 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 statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Direct protein sequencing, Reference proteome
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

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