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Protein

Probable rhamnogalacturonase B

Gene

rhgB

Organism
Aspergillus niger (strain CBS 513.88 / FGSC A1513)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

Pectinolytic enzymes consist of four classes of enzymes: pectine lyase, polygalacturonase, pectin methylesterase and rhamnogalacturonase. Hydrolyzes alpha-D-galacturonopyranosyl-(1,2)-alpha-L-rhamnopyranosyl linkages in the backbone of the hairy regions of pectins (By similarity).By similarity

Catalytic activityi

Endohydrolysis of alpha-D-GalA-(1->2)-alpha-L-Rha glycosidic bond in the rhamnogalacturonan I backbone with initial inversion of anomeric configuration releasing oligosaccharides with beta-D-GalA at the reducing end.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei219Proton donorBy similarity1
Active sitei294By similarity1

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Glycosidase, Hydrolase

Keywords - Biological processi

Carbohydrate metabolism, Cell wall biogenesis/degradation, Polysaccharide degradation

Protein family/group databases

CAZyiGH28. Glycoside Hydrolase Family 28.

Names & Taxonomyi

Protein namesi
Recommended name:
Probable rhamnogalacturonase B (EC:3.2.1.171)
Short name:
RGase B
Short name:
RHG B
Gene namesi
Name:rhgB
ORF Names:An14g04200
OrganismiAspergillus niger (strain CBS 513.88 / FGSC A1513)
Taxonomic identifieri425011 [NCBI]
Taxonomic lineageiEukaryotaFungiDikaryaAscomycotaPezizomycotinaEurotiomycetesEurotiomycetidaeEurotialesAspergillaceaeAspergillus
Proteomesi
  • UP000006706 Componenti: Chromosome 1R

Subcellular locationi

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 21Sequence analysisAdd BLAST21
ChainiPRO_500022095322 – 558Probable rhamnogalacturonase BAdd BLAST537

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Disulfide bondi42 ↔ 68By similarity
Glycosylationi145N-linked (GlcNAc...)Sequence analysis1
Disulfide bondi221 ↔ 238By similarity
Glycosylationi239N-linked (GlcNAc...)Sequence analysis1
Glycosylationi254N-linked (GlcNAc...)Sequence analysis1
Glycosylationi321N-linked (GlcNAc...)Sequence analysis1
Disulfide bondi344 ↔ 350By similarity
Disulfide bondi372 ↔ 381By similarity

Keywords - PTMi

Disulfide bond, Glycoprotein

Structurei

3D structure databases

ProteinModelPortaliA2R3G4.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Compositional biasi442 – 522Ala-richAdd BLAST81

Sequence similaritiesi

Belongs to the glycosyl hydrolase 28 family.Curated

Keywords - Domaini

Signal

Phylogenomic databases

HOGENOMiHOG000217527.
KOiK18580.
OrthoDBiEOG092C32CC.

Family and domain databases

Gene3Di2.160.20.10. 1 hit.
InterProiIPR000743. Glyco_hydro_28.
IPR012334. Pectin_lyas_fold.
IPR011050. Pectin_lyase_fold/virulence.
[Graphical view]
PfamiPF00295. Glyco_hydro_28. 1 hit.
[Graphical view]
SUPFAMiSSF51126. SSF51126. 1 hit.

Sequencei

Sequence statusi: Complete.

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

A2R3G4-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MLLDKLSVLS FLGLAPIFAA AQLSGSVGPL TSASTKAATK TCNVLDYGAK
60 70 80 90 100
ADKSTDLGAP LASAFADCKS GGLVYVPSGD YALSTWARLS GGEAWALQID
110 120 130 140 150
GIIYRTGTDG GNMIYIEHSS DFELFSSTSE GAMQGLGYEF HADDNWSGPR
160 170 180 190 200
LLRLYEVTDF SVHDFILVDS PSFHFSLDTC TNGEIYNMAI RGGNHGGLDG
210 220 230 240 250
IDVWSNNIWV HDVEVTNKDE CVTVKSPSKN ILIESIYCNW SGGCGMGSFG
260 270 280 290 300
SDTNVSDITY RNIYTWSSNN MMLIKSNGGS GFVENVLLEN FIGHGNAYSL
310 320 330 340 350
DIDSYWASMS AVDGDGVQLS NITVKNWKGT EAYGAERGPV KVVCADGAPC
360 370 380 390 400
YDITIEDFAM WTEEGDSQWY SCESAYGSGY CLQDSDDHVS YSVTTSTVSS
410 420 430 440 450
APSGYSATSM AADLTTDFGS TVSIPIPTIP TSFYPGATPY SALMANSAST
460 470 480 490 500
AAASSIASHA TVHSSSASVA ASVPSAVAPS ESIPAATSAV VSSAAAIAPS
510 520 530 540 550
PAVGAQEGST TSAPSFAAPS GAGNSPQGPT GASGFGEKGQ QGEQGEQGEQ

GEQGVCYV
Length:558
Mass (Da):57,933
Last modified:March 6, 2007 - v1
Checksum:i3A349505F6E3C305
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AM270321 Genomic DNA. Translation: CAK48512.1.
RefSeqiXP_001401044.1. XM_001401007.2.

Genome annotation databases

EnsemblFungiiCAK48512; CAK48512; An14g04200.
GeneIDi4987277.
KEGGiang:ANI_1_604124.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AM270321 Genomic DNA. Translation: CAK48512.1.
RefSeqiXP_001401044.1. XM_001401007.2.

3D structure databases

ProteinModelPortaliA2R3G4.
ModBaseiSearch...
MobiDBiSearch...

Protein family/group databases

CAZyiGH28. Glycoside Hydrolase Family 28.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblFungiiCAK48512; CAK48512; An14g04200.
GeneIDi4987277.
KEGGiang:ANI_1_604124.

Phylogenomic databases

HOGENOMiHOG000217527.
KOiK18580.
OrthoDBiEOG092C32CC.

Family and domain databases

Gene3Di2.160.20.10. 1 hit.
InterProiIPR000743. Glyco_hydro_28.
IPR012334. Pectin_lyas_fold.
IPR011050. Pectin_lyase_fold/virulence.
[Graphical view]
PfamiPF00295. Glyco_hydro_28. 1 hit.
[Graphical view]
SUPFAMiSSF51126. SSF51126. 1 hit.
ProtoNetiSearch...

Entry informationi

Entry nameiRHGB_ASPNC
AccessioniPrimary (citable) accession number: A2R3G4
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 18, 2010
Last sequence update: March 6, 2007
Last modified: November 30, 2016
This is version 52 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programFungal Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.