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Protein

Endo-1,4-beta-xylanase B

Gene

xynB

Organism
Butyrivibrio fibrisolvens
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

B.fibrisolvens is located in the rumen of ruminant animals, where it contributes to the animal's digestion of plant material by hydrolyzing hemicellulose with its xylanases.

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 sitei150Proton donorBy similarity1
Active sitei255NucleophilePROSITE-ProRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

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

Enzyme and pathway databases

UniPathwayi
UPA00114

Protein family/group databases

CAZyiGH10 Glycoside Hydrolase Family 10
ESTHERibutfi-xynb Hormone-sensitive_lipase_like

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
OrganismiButyrivibrio fibrisolvens
Taxonomic identifieri831 [NCBI]
Taxonomic lineageiBacteriaFirmicutesClostridiaClostridialesLachnospiraceaeButyrivibrio

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001840621 – 635Endo-1,4-beta-xylanase BAdd BLAST635

Proteomic databases

PRIDEiP26223

Structurei

3D structure databases

ProteinModelPortaliP26223
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini1 – 337GH10PROSITE-ProRule annotationAdd BLAST337

Sequence similaritiesi

Family and domain databases

Gene3Di3.40.50.1820, 1 hit
InterProiView protein in InterPro
IPR029058 AB_hydrolase
IPR013094 AB_hydrolase_3
IPR001000 GH10
IPR031158 GH10_AS
IPR017853 Glycoside_hydrolase_SF
PfamiView protein in Pfam
PF07859 Abhydrolase_3, 1 hit
PF00331 Glyco_hydro_10, 1 hit
PRINTSiPR00134 GLHYDRLASE10
SMARTiView protein in SMART
SM00633 Glyco_10, 1 hit
SUPFAMiSSF51445 SSF51445, 1 hit
SSF53474 SSF53474, 1 hit
PROSITEiView protein in PROSITE
PS00591 GH10_1, 1 hit
PS51760 GH10_2, 1 hit

Sequencei

Sequence statusi: Complete.

P26223-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MNLKTAYEPY FKIGAAISRW NLHTPAHTKL LAEQFNSFTC ENDMKPMYYL
60 70 80 90 100
DREANKKDPE KYNLSPALTF ENAIPYLEFA KDNKIAMRGH TLVWHNQTPK
110 120 130 140 150
WFFCERYNEN FPMADRETIL ARLESYIHGV LDFVQTNYPG IIYAWDVVNE
160 170 180 190 200
IVDEGAFRKS IWTETVGEDF FIKAFEFARK YAAPEVSLFY NDYETAQPWK
210 220 230 240 250
RDFILEKVLG PLIDKKLIDG MGMQSHLLMD HPDISEYRTA LEMYGSTGLQ
260 270 280 290 300
IHITELDMHN ADPSEESMHA LATRYQEFFQ TYLDAKKSGK ANITSVTFWN
310 320 330 340 350
LLDENSWLSG FRRETSYPLV FKGKCEAKEA YYAVLKAAVS DDSIDKWVPD
360 370 380 390 400
YSEEDYKLQG MPTPDIKRFR ENIWQENEYN YEASYGFIPN LFAYLHNDDV
410 420 430 440 450
KRDCMLVIPG GGYCMCCSHE GELAAMEFYN RGMNAFVLSY TTDITMSVPL
460 470 480 490 500
HKQPLEDISR AVRFIRKNAS KYNIDGKKLV IMGFSAGSHV CGSLAVHFDD
510 520 530 540 550
VKDNNPEYAD ISGRPDGVIL SYPVITTGRY THADSVRTLL GANPTDEELT
560 570 580 590 600
YFSLEKQVKD NTPPCFIWQT EEDSVVPVEN SYLFANALRE KKIPFAHYVF
610 620 630
PRGFHGLTVA NDEFFSGWSG GEYSMEQTMR ARFAV
Length:635
Mass (Da):73,185
Last modified:May 1, 1992 - v1
Checksum:iD2CC7A638FA0F317
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X61495 Genomic DNA Translation: CAA43712.1
PIRiS16567

Similar proteinsi

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X61495 Genomic DNA Translation: CAA43712.1
PIRiS16567

3D structure databases

ProteinModelPortaliP26223
ModBaseiSearch...
MobiDBiSearch...

Protein family/group databases

CAZyiGH10 Glycoside Hydrolase Family 10
ESTHERibutfi-xynb Hormone-sensitive_lipase_like

Proteomic databases

PRIDEiP26223

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Enzyme and pathway databases

UniPathwayi
UPA00114

Family and domain databases

Gene3Di3.40.50.1820, 1 hit
InterProiView protein in InterPro
IPR029058 AB_hydrolase
IPR013094 AB_hydrolase_3
IPR001000 GH10
IPR031158 GH10_AS
IPR017853 Glycoside_hydrolase_SF
PfamiView protein in Pfam
PF07859 Abhydrolase_3, 1 hit
PF00331 Glyco_hydro_10, 1 hit
PRINTSiPR00134 GLHYDRLASE10
SMARTiView protein in SMART
SM00633 Glyco_10, 1 hit
SUPFAMiSSF51445 SSF51445, 1 hit
SSF53474 SSF53474, 1 hit
PROSITEiView protein in PROSITE
PS00591 GH10_1, 1 hit
PS51760 GH10_2, 1 hit
ProtoNetiSearch...

Entry informationi

Entry nameiXYNB_BUTFI
AccessioniPrimary (citable) accession number: P26223
Entry historyiIntegrated into UniProtKB/Swiss-Prot: May 1, 1992
Last sequence update: May 1, 1992
Last modified: May 23, 2018
This is version 77 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  3. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
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Main funding by: National Institutes of Health

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