| IED ID | IndEnz0002008230 |
| Enzyme Type ID | protease008230 |
| Protein Name |
Silicatein EC 3.4.22.- |
| Gene Name | |
| Organism | Petrosia ficiformis (Common Mediterranean sponge) |
| Taxonomic Lineage | cellular organisms Eukaryota Opisthokonta Metazoa Porifera (sponges) Demospongiae Heteroscleromorpha Haplosclerida Petrosiidae Petrosia Petrosia ficiformis (Common Mediterranean sponge) |
| Enzyme Sequence | MAIVYGAILFQIILIACAEFPPEWHAWKATHSISYESEHEERRRHVVWQQNQEYIDQHNKYKEQFGYTLEMNKFGDMSNAEFAELMMCVQDYNHHGNLTESLLADNKFKGRVREYQAPATVSLPETVDWRTGGAVTHVKDQLRCGCSYAFAAVGALEGAAALARGRTASLSEQNVLDCSVPYGNHGCSCEDVNNAFMYVIDNGGLDTTSSYPYVSRQYYCKFKSSGVGATATGIVTISSGDESSLESALATAGPVAVYIDASHSSFQFYKYGVLNVPNCSRSKLSHAMILIGYGTTSSKKYWLLKNSWGPNWGISGYIKMSRGMSNQCGIATYASFPTL |
| Enzyme Length | 339 |
| Uniprot Accession Number | Q6YD92 |
| Absorption | |
| Active Site | ACT_SITE 286; /evidence="ECO:0000250|UniProtKB:P07711, ECO:0000255|PROSITE-ProRule:PRU10090"; ACT_SITE 306; /evidence="ECO:0000250|UniProtKB:P07711, ECO:0000255|PROSITE-ProRule:PRU10090" |
| Activity Regulation | |
| Binding Site | |
| Calcium Binding | |
| catalytic Activity | |
| DNA Binding | |
| EC Number | 3.4.22.- |
| Enzyme Function | FUNCTION: Polymerizes silica around the axial filament during spicule formation. {ECO:0000269|PubMed:19522542}. |
| Temperature Dependency | |
| PH Dependency | |
| Pathway | |
| nucleotide Binding | |
| Features | Active site (2); Chain (1); Modified residue (5); Propeptide (1); Sequence conflict (1); Signal peptide (1) |
| Keywords | Direct protein sequencing;Hydrolase;Methylation;Phosphoprotein;Protease;Signal;Thiol protease |
| Interact With | |
| Induction | |
| Subcellular Location | |
| Modified Residue | MOD_RES 123; /note="N,N-dimethylleucine; alternate"; /evidence="ECO:0000269|PubMed:19522542"; MOD_RES 123; /note="N-methylleucine; alternate"; /evidence="ECO:0000269|PubMed:19522542"; MOD_RES 188; /note="Phosphoserine"; /evidence="ECO:0000269|PubMed:19522542"; MOD_RES 219; /note="Phosphotyrosine"; /evidence="ECO:0000269|PubMed:19522542"; MOD_RES 335; /note="Phosphoserine"; /evidence="ECO:0000269|PubMed:19522542" |
| Post Translational Modification | |
| Signal Peptide | SIGNAL 1..18; /evidence=ECO:0000255 |
| Structure 3D | |
| Cross Reference PDB | - |
| Mapped Pubmed ID | - |
| Motif | |
| Gene Encoded By | |
| Mass | 37,477 |
| Kinetics | |
| Metal Binding | |
| Rhea ID | |
| Cross Reference Brenda |