Detail Information for IndEnz0010000751
IED ID IndEnz0010000751
Enzyme Type ID esterase000751
Protein Name Pectinesterase 1
PE 1
EC 3.1.1.11
Pectin methylesterase 1
Gene Name PME1.9
Organism Solanum lycopersicum (Tomato) (Lycopersicon esculentum)
Taxonomic Lineage cellular organisms Eukaryota Viridiplantae Streptophyta Streptophytina Embryophyta Tracheophyta Euphyllophyta Spermatophyta Magnoliopsida Mesangiospermae eudicotyledons Gunneridae Pentapetalae asterids lamiids Solanales Solanaceae Solanoideae Solaneae Solanum Solanum subgen. Lycopersicon Solanum lycopersicum (Tomato) (Lycopersicon esculentum)
Enzyme Sequence MANPQQPLLIKTHKQNPIISFKILSFVITLFVALFLVAPYQVEIKHSNLCKTAQDSQLCLSYVSDLISNEIVTTESDGHSILMKFLVNYVHQMNNAIPVVRKMKNQINDIRQHGALTDCLELLDQSVDFASDSIAAIDKRSRSEHANAQSWLSGVLTNHVTCLDELDSFTKAMINGTNLEELISRAKVALAMLASLTTQDEDVFMTVLGKMPSWVSSMDRKLMESSGKDIIANAVVAQDGTGDYQTLAEAVAAAPDKSKTRYVIYVKRGTYKENVEVASNKMNLMIVGDGMYATTITGSLNVVDGSTTFRSATLAAVGQGFILQDICIQNTAGPAKDQAVALRVGADMSVINRCRIDAYQDTLYAHSQRQFYRDSYVTGTVDFIFGNAAVVFQKCQLVARKPGKYQQNMVTAQGRTDPNQATGTSIQFCNIIASSDLEPVLKEFPTYLGRPWKEYSRTVVMESYLGGLINPAGWAEWDGDFALKTLYYGEFMNNGPGAGTSKRVKWPGYHVITDPAKAMPFTVAKLIQGGSWLRSTGVAYVDGLYD
Enzyme Length 546
Uniprot Accession Number P14280
Absorption
Active Site ACT_SITE 361; /note=Proton donor; /evidence=ECO:0000255|PROSITE-ProRule:PRU10040; ACT_SITE 382; /note=Nucleophile; /evidence=ECO:0000255|PROSITE-ProRule:PRU10040
Activity Regulation
Binding Site BINDING 308; /note=Substrate; /evidence=ECO:0000250; BINDING 338; /note=Substrate; /evidence=ECO:0000250; BINDING 450; /note=Substrate; /evidence=ECO:0000250; BINDING 452; /note=Substrate; /evidence=ECO:0000250
Calcium Binding
catalytic Activity CATALYTIC ACTIVITY: Reaction=[(1->4)-alpha-D-galacturonosyl methyl ester](n) + n H2O = [(1->4)-alpha-D-galacturonosyl](n) + n H(+) + n methanol; Xref=Rhea:RHEA:22380, Rhea:RHEA-COMP:14570, Rhea:RHEA-COMP:14573, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:17790, ChEBI:CHEBI:140522, ChEBI:CHEBI:140523; EC=3.1.1.11;
DNA Binding
EC Number 3.1.1.11
Enzyme Function FUNCTION: Pectinesterase may play a role in cell wall metabolism during fruit growth and development prior to ripening and may be required for preparing cell walls for softening by polygalacturonase during fruit ripening.
Temperature Dependency
PH Dependency
Pathway PATHWAY: Glycan metabolism; pectin degradation; 2-dehydro-3-deoxy-D-gluconate from pectin: step 1/5.
nucleotide Binding
Features Active site (2); Beta strand (26); Binding site (4); Chain (1); Disulfide bond (2); Helix (9); Propeptide (1); Sequence conflict (5); Signal peptide (1); Site (1); Turn (5)
Keywords 3D-structure;Aspartyl esterase;Cell wall;Cell wall biogenesis/degradation;Direct protein sequencing;Disulfide bond;Fruit ripening;Hydrolase;Reference proteome;Secreted;Signal;Zymogen
Interact With
Induction
Subcellular Location SUBCELLULAR LOCATION: Secreted, cell wall.
Modified Residue
Post Translational Modification
Signal Peptide SIGNAL 1..39; /evidence=ECO:0000255
Structure 3D X-ray crystallography (1)
Cross Reference PDB 1XG2;
Mapped Pubmed ID 11544130; 14871665; 15722470; 23573946;
Motif
Gene Encoded By
Mass 60,066
Kinetics
Metal Binding
Rhea ID RHEA:22380
Cross Reference Brenda 3.1.1.11;