| IED ID | IndEnz0003000001 | 
| Enzyme Type ID | pectinase000001 | 
| Protein Name | Endopolygalacturonase I EC 3.2.1.15 Pectinase 1 Polygalacturonase I PG-I | 
| Gene Name | pgaI pg1 pga1 | 
| Organism | Aspergillus niger | 
| Taxonomic Lineage | cellular organisms Eukaryota Opisthokonta Fungi Dikarya Ascomycota saccharomyceta Pezizomycotina leotiomyceta Eurotiomycetes Eurotiomycetidae Eurotiales (green and blue molds) Aspergillaceae Aspergillus Aspergillus subgen. Circumdati Aspergillus niger | 
| Enzyme Sequence | MHSYQLLGLAAVGSLVSAAPAPSRVSEFAKKASTCTFTSASEASESISSCSDVVLSSIEVPAGETLDLSDAADGSTITFEGTTSFGYKEWKGPLIRFGGKDLTVTMADGAVIDGDGSRWWDSKGTNGGKTKPKFMYIHDVEDSTFKGINIKNTPVQAISVQATNVHLNDFTIDNSDGDDNGGHNTDGFDISESTGVYISGATVKNQDDCIAINSGESISFTGGTCSGGHGLSIGSVGGRDDNTVKNVTISDSTVSNSANGVRIKTIYKETGDVSEITYSNIQLSGITDYGIVIEQDYENGSPTGTPSTGIPITDVTVDGVTGTLEDDATQVYILCGDGSCSDWTWSGVDLSGGKTSDKCENVPSGASC | 
| Enzyme Length | 368 | 
| Uniprot Accession Number | P26213 | 
| Absorption | |
| Active Site | ACT_SITE 207; /note=Proton donor; /evidence=ECO:0000255|PROSITE-ProRule:PRU10052; ACT_SITE 229; /evidence=ECO:0000305 | 
| Activity Regulation | |
| Binding Site | |
| Calcium Binding | |
| catalytic Activity | CATALYTIC ACTIVITY: Reaction=(1,4-alpha-D-galacturonosyl)(n+m) + H(2)O = (1,4-alpha-D-galacturonosyl)(n) + (1,4-alpha-D-galacturonosyl)(m).; EC=3.2.1.15; | 
| DNA Binding | |
| EC Number | 3.2.1.15 | 
| Enzyme Function | FUNCTION: Involved in maceration and soft-rotting of plant tissue. Hydrolyzes the 1,4-alpha glycosidic bonds of de-esterified pectate in the smooth region of the plant cell wall. | 
| Temperature Dependency | |
| PH Dependency | |
| Pathway | |
| nucleotide Binding | |
| Features | Active site (2); Beta strand (23); Chain (1); Disulfide bond (4); Glycosylation (3); Helix (4); Propeptide (1); Repeat (6); Signal peptide (1); Turn (1) | 
| Keywords | 3D-structure;Cell wall biogenesis/degradation;Cleavage on pair of basic residues;Direct protein sequencing;Disulfide bond;Glycoprotein;Glycosidase;Hydrolase;Repeat;Secreted;Signal;Zymogen | 
| Interact With | |
| Induction | |
| Subcellular Location | SUBCELLULAR LOCATION: Secreted {ECO:0000305}. | 
| Modified Residue | |
| Post Translational Modification | |
| Signal Peptide | SIGNAL 1..18; /evidence=ECO:0000255 | 
| Structure 3D | X-ray crystallography (1) | 
| Cross Reference PDB | 1NHC; | 
| Mapped Pubmed ID | - | 
| Motif | |
| Gene Encoded By | |
| Mass | 38,108 | 
| Kinetics | |
| Metal Binding | |
| Rhea ID | |
| Cross Reference Brenda | 3.2.1.15; |