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Protein

Endo-1,4-beta-xylanase I

Gene

XYL1

Organism
Cochliobolus carbonum (Maize leaf spot fungus) (Bipolaris zeicola)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Major xylan-degrading enzyme. Contributes to the hydrolysis of arabinoxylan, the major component of maize cell-walls.

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 sitei115NucleophilePROSITE-ProRule annotation1
Active sitei206Proton donorPROSITE-ProRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

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

Enzyme and pathway databases

BRENDAi3.2.1.8 1551
UniPathwayiUPA00114

Protein family/group databases

CAZyiGH11 Glycoside Hydrolase Family 11
mycoCLAPiXYN11A_COCCA

Names & Taxonomyi

Protein namesi
Recommended name:
Endo-1,4-beta-xylanase I (EC:3.2.1.8)
Short name:
Xylanase I
Alternative name(s):
1,4-beta-D-xylan xylanohydrolase 1
Gene namesi
Name:XYL1
OrganismiCochliobolus carbonum (Maize leaf spot fungus) (Bipolaris zeicola)
Taxonomic identifieri5017 [NCBI]
Taxonomic lineageiEukaryotaFungiDikaryaAscomycotaPezizomycotinaDothideomycetesPleosporomycetidaePleosporalesPleosporineaePleosporaceaeBipolaris

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cell wall Cytoskeleton Vacuole Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 30Sequence analysisAdd BLAST30
ChainiPRO_000000800331 – 221Endo-1,4-beta-xylanase IAdd BLAST191

Post-translational modificationi

The N-terminus is blocked.

Proteomic databases

PRIDEiQ06562

Structurei

3D structure databases

ProteinModelPortaliQ06562
SMRiQ06562
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini31 – 219GH11PROSITE-ProRule annotationAdd BLAST189

Sequence similaritiesi

Keywords - Domaini

Signal

Family and domain databases

Gene3Di2.60.120.180, 1 hit
InterProiView protein in InterPro
IPR013320 ConA-like_dom_sf
IPR013319 GH11/12
IPR018208 GH11_AS_1
IPR033119 GH11_AS_2
IPR033123 GH11_dom
IPR001137 Glyco_hydro_11
PfamiView protein in Pfam
PF00457 Glyco_hydro_11, 1 hit
PRINTSiPR00911 GLHYDRLASE11
SUPFAMiSSF49899 SSF49899, 1 hit
PROSITEiView protein in PROSITE
PS00776 GH11_1, 1 hit
PS00777 GH11_2, 1 hit
PS51761 GH11_3, 1 hit

Sequencei

Sequence statusi: Complete.

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

Q06562-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MVSFTSIITA AVAATGALAA PATDVSLVAR QNTPNGEGTH NGCFWSWWSD
60 70 80 90 100
GGARATYTNG AGGSYSVSWG SGGNLVGGKG WNPGTARTIT YSGTYNYNGN
110 120 130 140 150
SYLAVYGWTR NPLVEYYVVE NFGTYDPSSQ SQNKGTVTSD GSSYKIAQST
160 170 180 190 200
RTNQPSIDGT RTFQQYWSVR QNKRSSGSVN MKTHFDAWAS KGMNLGQHYY
210 220
QIVATEGYFS TGNAQITVNC P
Length:221
Mass (Da):23,728
Last modified:February 1, 1995 - v1
Checksum:i59DBD8983FC5B08C
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti81W → I AA sequence (Ref. 2) Curated1
Sequence conflicti107G → A AA sequence (Ref. 2) Curated1
Sequence conflicti131S → W AA sequence (Ref. 2) Curated1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
L13596 Genomic DNA Translation: AAA33024.1

Similar proteinsi

Entry informationi

Entry nameiXYN1_COCCA
AccessioniPrimary (citable) accession number: Q06562
Entry historyiIntegrated into UniProtKB/Swiss-Prot: February 1, 1995
Last sequence update: February 1, 1995
Last modified: May 23, 2018
This is version 88 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programFungal Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Direct protein sequencing
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Main funding by: National Institutes of Health