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Protein

Exopolygalacturonase

Gene

PG9

Organism
Zea mays (Maize)
Status
Reviewed-Annotation score: -Experimental evidence at transcript leveli

Functioni

May function in depolymerizing pectin during pollen development, germination, and tube growth. Acts as an exo-polygalacturonase.

Catalytic activityi

((1->4)-alpha-D-galacturonide)(n) + H2O = ((1->4)-alpha-D-galacturonide)(n-1) + D-galacturonate.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei233Proton donorBy similarity1
Active sitei256PROSITE-ProRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionGlycosidase, Hydrolase
Biological processCell wall biogenesis/degradation

Protein family/group databases

CAZyiGH28 Glycoside Hydrolase Family 28

Names & Taxonomyi

Protein namesi
Recommended name:
Exopolygalacturonase (EC:3.2.1.67)
Short name:
ExoPG
Alternative name(s):
Galacturan 1,4-alpha-galacturonidase
Pectinase
Gene namesi
Name:PG9
OrganismiZea mays (Maize)
Taxonomic identifieri4577 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaPoalesPoaceaePACMAD cladePanicoideaeAndropogonodaeAndropogoneaeTripsacinaeZea
Proteomesi
  • UP000007305 Componenti: Unplaced

Organism-specific databases

MaizeGDBi25864

Subcellular locationi

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

Keywords - Cellular componenti

Cell wall, Secreted

Pathology & Biotechi

Protein family/group databases

Allergomei683 Zea m 13

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 22Add BLAST22
ChainiPRO_000002480723 – 410ExopolygalacturonaseAdd BLAST388

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Glycosylationi89N-linked (GlcNAc...) asparaginePROSITE-ProRule annotation1
Disulfide bondi235 ↔ 252By similarity
Glycosylationi246N-linked (GlcNAc...) asparaginePROSITE-ProRule annotation1
Glycosylationi349N-linked (GlcNAc...) asparaginePROSITE-ProRule annotation1
Disulfide bondi364 ↔ 370By similarity
Glycosylationi387N-linked (GlcNAc...) asparaginePROSITE-ProRule annotation1
Disulfide bondi393 ↔ 409By similarity

Keywords - PTMi

Disulfide bond, Glycoprotein

Proteomic databases

PaxDbiP35338
PRIDEiP35338

Expressioni

Tissue specificityi

Pollen.

Developmental stagei

Late stages of pollen development.

Interactioni

Protein-protein interaction databases

STRINGi4577.GRMZM2G394259_P01

Structurei

3D structure databases

ProteinModelPortaliP35338
SMRiP35338
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Repeati192 – 218PbH1 1Sequence analysisAdd BLAST27
Repeati219 – 240PbH1 2Sequence analysisAdd BLAST22
Repeati242 – 262PbH1 3Sequence analysisAdd BLAST21
Repeati272 – 293PbH1 4Sequence analysisAdd BLAST22
Repeati337 – 364PbH1 5Sequence analysisAdd BLAST28

Sequence similaritiesi

Belongs to the glycosyl hydrolase 28 family.Curated

Keywords - Domaini

Repeat, Signal

Phylogenomic databases

eggNOGiENOG410IVDY Eukaryota
COG5434 LUCA
HOGENOMiHOG000237792

Family and domain databases

Gene3Di2.160.20.10, 1 hit
InterProiView protein in InterPro
IPR000743 Glyco_hydro_28
IPR006626 PbH1
IPR012334 Pectin_lyas_fold
IPR011050 Pectin_lyase_fold/virulence
PfamiView protein in Pfam
PF00295 Glyco_hydro_28, 1 hit
SMARTiView protein in SMART
SM00710 PbH1, 5 hits
SUPFAMiSSF51126 SSF51126, 1 hit
PROSITEiView protein in PROSITE
PS00502 POLYGALACTURONASE, 1 hit

Sequencei

Sequence statusi: Complete.

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

P35338-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MACTDNAMRA LFLLVLFCIV HGEKEESKGI DAKASGPGGS FDITKLGASG
60 70 80 90 100
NGKTDSTKAV QEAWASACGG TGKQTILIPK GDFLVGQLNF TGPCKGDVTI
110 120 130 140 150
QVDGNLLATT DLSQYKEHGN WIEILRVDNL VITGKGNLDG QGPAVWSKNS
160 170 180 190 200
CTKKYDCKIL PNSLVMDFVN NGEVSGVTLL NSKFFHMNMY QCKNMLIKDV
210 220 230 240 250
TVTAPGDSPN TDGIHMGDSS GITITNTVIG VGDDCISIGP GTSKVNITGV
260 270 280 290 300
TCGPGHGISI GSLGRYKDEK DVTDINVKDC TLKKTMFGVR IKAYEDAASV
310 320 330 340 350
LTVSKIHYEN IKMEDSANPI FIDMKYCPNK LCTANGASKV TVKDVTFKNI
360 370 380 390 400
TGTSSTPEAI SLLCTAKVPC TGATMDDVNV EYSGTNNKTM AICTNAKGST
410
KGCLKELACF
Length:410
Mass (Da):43,416
Last modified:June 1, 1994 - v1
Checksum:i942153CB550DEABA
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X64408 Genomic DNA Translation: CAA45751.1
PIRiS30066

Similar proteinsi

Entry informationi

Entry nameiPGLR2_MAIZE
AccessioniPrimary (citable) accession number: P35338
Entry historyiIntegrated into UniProtKB/Swiss-Prot: June 1, 1994
Last sequence update: June 1, 1994
Last modified: May 23, 2018
This is version 94 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant 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

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