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Protein

Probable pectinesterase 68

Gene

PME68

Organism
Arabidopsis thaliana (Mouse-ear cress)
Status
Reviewed-Annotation score: -Experimental evidence at transcript leveli

Functioni

Acts in the modification of cell walls via demethylesterification of cell wall pectin.By similarity

Catalytic activityi

Pectin + n H2O = n methanol + pectate.

Pathwayi: pectin degradation

This protein is involved in step 1 of the subpathway that synthesizes 2-dehydro-3-deoxy-D-gluconate from pectin.
Proteins known to be involved in the 5 steps of the subpathway in this organism are:
  1. Probable pectinesterase/pectinesterase inhibitor 7 (PME7), Pectinesterase (AXX17_At1g11890), Pectinesterase (AXX17_At4g02940), Pectinesterase (AXX17_At5g52320), Probable pectinesterase/pectinesterase inhibitor 42 (PME42), Probable pectinesterase 15 (PME15), Putative pectinesterase 14 (PME14), Pectinesterase (At3g10720), Pectinesterase (AXX17_At2g33410), Probable pectinesterase 55 (PME55), Pectinesterase (PMEPCRF), Probable pectinesterase/pectinesterase inhibitor 23 (PME23), Pectinesterase (AXX17_At4g18720), Pectinesterase 4 (PME4), Putative pectinesterase/pectinesterase inhibitor 22 (PME22), Pectinesterase (AXX17_At1g48290), Pectinesterase (At3g14310), Pectinesterase (AXX17_At5g47900), Pectinesterase (AXX17_At4g38050), Pectinesterase/pectinesterase inhibitor 18 (PME18), Pectinesterase (AXX17_At3g43380), Uncharacterized protein (AXX17_At5g64270), Pectinesterase (At5g26810), Putative pectinesterase 10 (PME10), Probable pectinesterase/pectinesterase inhibitor 64 (PME64), Pectinesterase (F14I3.7), Plant invertase/pectin methylesterase inhibitor superfamily (At3g49220), Pectinesterase (At3g49220), Probable pectinesterase 29 (PME29), Pectinesterase (AXX17_At4g38040), Pectinesterase (At5g20860), Probable pectinesterase 8 (PME8), Uncharacterized protein (AXX17_At5g27870), Pectinesterase (AXX17_At2g45340), Pectinesterase 31 (PME31), Pectinesterase (AXX17_At3g41380), Probable pectinesterase/pectinesterase inhibitor 25 (PME25), Probable pectinesterase/pectinesterase inhibitor 51 (PME51), Pectinesterase (AXX17_At3g36460), Pectinesterase (AXX17_At5g04430), Probable pectinesterase/pectinesterase inhibitor 20 (PME20), Probable pectinesterase/pectinesterase inhibitor 60 (PME60), Pectinesterase QRT1 (QRT1), Probable pectinesterase/pectinesterase inhibitor 59 (PME59), Pectinesterase (AXX17_At3g53530), Pectinesterase PPME1 (PPME1), Pectinesterase (AXX17_At3g56460), Pectinesterase (AXX17_At3g06710), Probable pectinesterase/pectinesterase inhibitor 32 (PME32), Probable pectinesterase/pectinesterase inhibitor 33 (PME33), Probable pectinesterase/pectinesterase inhibitor 36 (PME36), Probable pectinesterase/pectinesterase inhibitor 13 (PME13), Putative pectinesterase 52 (PME52), Probable pectinesterase/pectinesterase inhibitor 54 (PME54), Pectinesterase (AXX17_At2g33420), Pectinesterase (AXX17_At2g40510), Pectinesterase (At1g53840), Probable pectinesterase/pectinesterase inhibitor 16 (PME16), Pectinesterase 5 (PME5), Probable pectinesterase 30 (PME30), Probable pectinesterase/pectinesterase inhibitor VGDH2 (VGDH2), Pectinesterase (PMEPCRA), Pectinesterase (AXX17_At3g26070), Probable pectinesterase 68 (PME68), Pectinesterase, Pectinesterase (AXX17_At3g14900), Probable pectinesterase 67 (PME67), Putative pectinesterase/pectinesterase inhibitor 38 (PME38), Probable pectinesterase 56 (PME56), Pectinesterase, Probable pectinesterase/pectinesterase inhibitor 47 (PME47), Putative pectinesterase/pectinesterase inhibitor 28 (PME28), Probable pectinesterase 53 (PME53), Probable pectinesterase/pectinesterase inhibitor 46 (PME46), Probable pectinesterase/pectinesterase inhibitor 17 (PME17), Pectinesterase (AXX17_At2g22270), Probable pectinesterase/pectinesterase inhibitor 61 (PME61), Probable pectinesterase 66 (PME66), Pectinesterase (AXX17_At2g42790), Pectinesterase (AXX17_At5g45990), Probable pectinesterase/pectinesterase inhibitor 6 (PME6), Probable pectinesterase 48 (PME48), Probable pectinesterase 49 (PME49), Probable pectinesterase 50 (PME50), Pectinesterase (AXX17_At3g17940), Pectinesterase, Probable pectinesterase/pectinesterase inhibitor 19 (PME19), Probable pectinesterase/pectinesterase inhibitor 40 (PME40), Pectinesterase (AXX17_At1g11920), Pectinesterase (AXX17_At3g30550), PME26 (AXX17_At3g14890), Probable pectinesterase/pectinesterase inhibitor 39 (PME39), Pectinesterase (AXX17_At2g44790), Pectinesterase (AXX17_At5g19650), Putative pectinesterase/pectinesterase inhibitor 43 (PME43), Pectinesterase (AXX17_At3g31890), Pectinesterase (AXX17_At4g02900), Probable pectinesterase/pectinesterase inhibitor 34 (PME34), Pectinesterase 1 (PME1), Putative pectinesterase 63 (PME63), Uncharacterized protein (AXX17_At3g05180), Pectinesterase 2 (PME2), Probable pectinesterase/pectinesterase inhibitor 21 (PME21), Pectinesterase (AXX17_At2g22280), Putative pectinesterase/pectinesterase inhibitor 45 (PME45), Probable pectinesterase/pectinesterase inhibitor 12 (PME12), Pectinesterase (AXX17_At4g02930), Probable pectinesterase/pectinesterase inhibitor 44 (PME44), Pectinesterase/pectinesterase inhibitor 3 (PME3), Pectinesterase (AXX17_At5g50300), Pectinesterase (AXX17_At1g24390), Pectinesterase (AXX17_At1g11900), Probable pectinesterase/pectinesterase inhibitor 58 (PME58), Putative pectinesterase 57 (PME57), Pectinesterase (PME44), Pectinesterase (AXX17_At3g10560), Pectinesterase (AXX17_At3g55110), Pectinesterase (AXX17_At3g10570), Putative pectinesterase 11 (PME11), Plant invertase/pectin methylesterase inhibitor superfamily (At5g09760), Pectinesterase (AXX17_At1g01970), Pectinesterase (AXX17_At4g06570), Pectinesterase (AXX17_At5g50310), Pectinesterase (AXX17_At2g33420), Pectinesterase, Pectinesterase (At4g15980), Pectinesterase (AXX17_At1g48300), Pectinesterase (AXX17_At3g05190), Putative pectinesterase/pectinesterase inhibitor 24 (PME24), Putative pectinesterase/pectinesterase inhibitor 26 (PME26), Probable pectinesterase/pectinesterase inhibitor 35 (PME35), Pectinesterase (AXX17_At5g04420), Pectinesterase (AXX17_At2g44780), Pectinesterase (AXX17_At4g00230), Uncharacterized protein (AXX17_At5g09310), Pectinesterase (AXX17_At5g20800), Pectinesterase (AXX17_At1g04730), Probable pectinesterase/pectinesterase inhibitor 41 (PME41), Pectinesterase (AXX17_At5g26780)
  2. Pectate lyase (AXX17_At3g26720), Probable pectate lyase 7 (At3g01270), Probable pectate lyase 18 (At4g24780), Pectate lyase (At3g27400), Probable pectate lyase 16 (At4g22080), Putative pectate lyase 17 (At4g22090), Pectate lyase (AXX17_At3g09180), Putative pectate lyase 14 (At4g13210), Pectate lyase (At3g55140), Pectate lyase (AXX17_At5g54880), Pectate lyase (AXX17_At4g15660), Pectate lyase (At5g04310), Probable pectate lyase 22 (At5g63180), Pectate lyase (At5g09280), Pectate lyase (AXX17_At3g00310), Pectate lyase (At3g07010), Probable pectate lyase 8 (At3g07010), Probable pectate lyase 4 (At1g30350), Pectate lyase (AXX17_At2g01680), Putative pectate lyase 21 (At5g55720), Pectate lyase (At4g13210), Pectate lyase (At5g04310), Pectate lyase (AXX17_At5g03700), Pectate lyase (At4g13710), Pectate lyase (AXX17_At3g49720), Pectate lyase, Pectate lyase, Pectate lyase (AXX17_At1g12300), Probable pectate lyase 9 (At3g24230), Probable pectate lyase 1 (At1g04680), Pectate lyase (At3g07010), Pectate lyase (AXX17_At5g08800), Pectate lyase (T26I12.20), Pectate lyase (AXX17_At5g62760), Pectate lyase (AXX17_At3g47590), Pectate lyase (AXX17_At4g14900), Pectate lyase (AXX17_At3g49450), Pectate lyase (AXX17_At4g25600), Pectate lyase (AXX17_At1g61710), Probable pectate lyase 20 (At5g48900), Pectate lyase (AXX17_At5g47570), Probable pectate lyase 6 (At2g02720), Pectate lyase (AXX17_At3g06910), Pectate lyase (At1g14420), Pectate lyase (At3g01270), Pectate lyase, Pectate lyase (At3g09540), Pectate lyase (AXX17_At1g04020), Pectate lyase (At3g01270), Pectate lyase (At3g55140), Putative pectate lyase 2 (At1g11920), Pectate lyase, Pectate lyase (AXX17_At1g30780), Probable pectate lyase 19 (At5g15110), Pectate lyase (AXX17_At4g28670), Pectate lyase (F11F8_12), Probable pectate lyase 13 (PMR6), Probable pectate lyase 3 (AT59), Pectate lyase (AXX17_At3g26200), Probable pectate lyase 5 (At1g67750), Probable pectate lyase 12 (At3g53190), Pectate lyase, Pectate lyase (AXX17_At4g25610), Probable pectate lyase 15 (At4g13710), Pectate lyase (At3g53190), Putative pectate lyase 11 (At3g27400), Pectate lyase (AXX17_At1g15010), Pectate lyase (At3g07010), Pectate lyase (AXX17_At3g29900), Pectate lyase (AXX17_At5g14600), Probable pectate lyase 10 (At3g24670)
  3. no protein annotated in this organism
  4. no protein annotated in this organism
  5. no protein annotated in this organism
This subpathway is part of the pathway pectin degradation, which is itself part of Glycan metabolism.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes 2-dehydro-3-deoxy-D-gluconate from pectin, the pathway pectin degradation and in Glycan metabolism.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Binding sitei141SubstrateBy similarity1
Binding sitei176SubstrateBy similarity1
Sitei198Transition state stabilizerBy similarity1
Active sitei199Proton donorPROSITE-ProRule annotation1
Active sitei220NucleophilePROSITE-ProRule annotation1
Binding sitei276SubstrateBy similarity1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionAspartyl esterase, Hydrolase
Biological processCell wall biogenesis/degradation

Enzyme and pathway databases

BioCyciARA:AT5G47500-MONOMER
UniPathwayiUPA00545; UER00823

Names & Taxonomyi

Protein namesi
Recommended name:
Probable pectinesterase 68 (EC:3.1.1.11)
Short name:
PE 68
Alternative name(s):
Pectin methylesterase 68
Short name:
AtPME68
Gene namesi
Name:PME68
Synonyms:ARATH68
Ordered Locus Names:At5g47500
ORF Names:MNJ7.9
OrganismiArabidopsis thaliana (Mouse-ear cress)
Taxonomic identifieri3702 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
Proteomesi
  • UP000006548 Componenti: Chromosome 5

Organism-specific databases

AraportiAT5G47500
TAIRilocus:2169023 AT5G47500

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

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 26Sequence analysisAdd BLAST26
ChainiPRO_000037171227 – 362Probable pectinesterase 68Add BLAST336

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Glycosylationi37N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi86N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi158N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi308N-linked (GlcNAc...) asparagineSequence analysis1

Keywords - PTMi

Glycoprotein

Proteomic databases

PaxDbiQ8LPF3
PRIDEiQ8LPF3

Expressioni

Tissue specificityi

Expressed in young siliques.1 Publication

Gene expression databases

ExpressionAtlasiQ8LPF3 baseline and differential
GenevisibleiQ8LPF3 AT

Interactioni

Protein-protein interaction databases

BioGridi20048, 1 interactor
STRINGi3702.AT5G47500.1

Structurei

3D structure databases

ProteinModelPortaliQ8LPF3
SMRiQ8LPF3
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Compositional biasi46 – 49Poly-His4

Sequence similaritiesi

Belongs to the pectinesterase family.Curated

Keywords - Domaini

Signal

Phylogenomic databases

eggNOGiENOG410IGPM Eukaryota
COG4677 LUCA
HOGENOMiHOG000217409
InParanoidiQ8LPF3
OMAiHHKWVGP
OrthoDBiEOG09360DNG
PhylomeDBiQ8LPF3

Family and domain databases

Gene3Di2.160.20.10, 1 hit
InterProiView protein in InterPro
IPR012334 Pectin_lyas_fold
IPR011050 Pectin_lyase_fold/virulence
IPR033131 Pectinesterase_Asp_AS
IPR000070 Pectinesterase_cat
PfamiView protein in Pfam
PF01095 Pectinesterase, 1 hit
SUPFAMiSSF51126 SSF51126, 1 hit
PROSITEiView protein in PROSITE
PS00503 PECTINESTERASE_2, 1 hit

Sequencei

Sequence statusi: Complete.

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

Q8LPF3-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MAQLTNSLNY LFSVSLLLFV SFHCLCFRFS LVAACSNSTD DQQIQHHHHR
60 70 80 90 100
KWVGPSGHKV ITVSLNGHAQ FRSVQDAVDS IPKNNNKSIT IKIAPGFYRE
110 120 130 140 150
KVVVPATKPY ITFKGAGRDV TAIEWHDRAS DLGANGQQLR TYQTASVTVY
160 170 180 190 200
ANYFTARNIS FTNTAPAPLP GMQGWQAVAF RISGDKAFFS GCGFYGAQDT
210 220 230 240 250
LCDDAGRHYF KECYIEGSID FIFGNGRSMY KDCELHSIAS RFGSIAAHGR
260 270 280 290 300
TCPEEKTGFA FVGCRVTGTG PLYVGRAMGQ YSRIVYAYTY FDALVAHGGW
310 320 330 340 350
DDWDHKSNKS KTAFFGVYNC YGPGAAATRG VSWARALDYE SAHPFIAKSF
360
VNGRHWIAPR DA
Length:362
Mass (Da):40,042
Last modified:October 1, 2002 - v1
Checksum:iC1204DCAD999A3B9
GO

Sequence cautioni

The sequence BAB09076 differs from that shown. Reason: Erroneous gene model prediction.Curated

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AB025628 Genomic DNA Translation: BAB09076.1 Sequence problems.
CP002688 Genomic DNA Translation: AED95526.1
AY102117 mRNA Translation: AAM26686.1
BT000565 mRNA Translation: AAN18134.1
RefSeqiNP_199561.1, NM_124123.5
UniGeneiAt.7961

Genome annotation databases

EnsemblPlantsiAT5G47500.1; AT5G47500.1; AT5G47500
GeneIDi834800
GrameneiAT5G47500.1; AT5G47500.1; AT5G47500
KEGGiath:AT5G47500

Similar proteinsi

Entry informationi

Entry nameiPME68_ARATH
AccessioniPrimary (citable) accession number: Q8LPF3
Secondary accession number(s): Q9FGK7
Entry historyiIntegrated into UniProtKB/Swiss-Prot: May 5, 2009
Last sequence update: October 1, 2002
Last modified: May 23, 2018
This is version 91 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

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