| IED ID | IndEnz0005000688 |
| Enzyme Type ID | lipase000688 |
| Protein Name |
Para-nitrobenzyl esterase EC 3.1.1.- Intracellular esterase B PNB carboxy-esterase PNBCE |
| Gene Name | pnbA estB BSU34390 |
| Organism | Bacillus subtilis (strain 168) |
| Taxonomic Lineage | cellular organisms Bacteria Terrabacteria group Firmicutes Bacilli Bacillales Bacillaceae Bacillus Bacillus subtilis group Bacillus subtilis Bacillus subtilis subsp. subtilis Bacillus subtilis (strain 168) |
| Enzyme Sequence | MTHQIVTTQYGKVKGTTENGVHKWKGIPYAKPPVGQWRFKAPEPPEVWEDVLDATAYGSICPQPSDLLSLSYTELPRQSEDCLYVNVFAPDTPSKNLPVMVWIHGGAFYLGAGSEPLYDGSKLAAQGEVIVVTLNYRLGPFGFLHLSSFNEAYSDNLGLLDQAAALKWVRENISAFGGDPDNVTVFGESAGGMSIAALLAMPAAKGLFQKAIMESGASRTMTKEQAASTSAAFLQVLGINEGQLDKLHTVSAEDLLKAADQLRIAEKENIFQLFFQPALDPKTLPEEPEKAIAEGAASGIPLLIGTTRDEGYLFFTPDSDVHSQETLDAALEYLLGKPLAEKVADLYPRSLESQIHMMTDLLFWRPAVAYASAQSHYAPVWMYRFDWHPKKPPYNKAFHALELPFVFGNLDGLERMAKAEITDEVKQLSHTIQSAWITFAKTGNPSTEAVNWPAYHEETRETLILDSEITIENDPESEKRQKLFPSKGE |
| Enzyme Length | 489 |
| Uniprot Accession Number | P37967 |
| Absorption | |
| Active Site | ACT_SITE 189; /note=Acyl-ester intermediate; /evidence=ECO:0000255|PROSITE-ProRule:PRU10039; ACT_SITE 310; /note=Charge relay system; /evidence=ECO:0000250; ACT_SITE 399; /note=Charge relay system; /evidence=ECO:0000250 |
| Activity Regulation | |
| Binding Site | |
| Calcium Binding | |
| catalytic Activity | |
| DNA Binding | |
| EC Number | 3.1.1.- |
| Enzyme Function | FUNCTION: Catalyzes hydrolysis of several beta-lactam antibiotic PNB esters to the corresponding free acid and PNB alcohol. |
| Temperature Dependency | |
| PH Dependency | |
| Pathway | |
| nucleotide Binding | |
| Features | Active site (3); Beta strand (15); Chain (1); Helix (23); Modified residue (1); Natural variant (11); Sequence conflict (1); Turn (8) |
| Keywords | 3D-structure;Direct protein sequencing;Hydrolase;Phosphoprotein;Reference proteome;Serine esterase |
| Interact With | |
| Induction | |
| Subcellular Location | |
| Modified Residue | MOD_RES 189; /note=Phosphoserine; /evidence=ECO:0000269|PubMed:17218307 |
| Post Translational Modification | |
| Signal Peptide | |
| Structure 3D | X-ray crystallography (3) |
| Cross Reference PDB | 1C7I; 1C7J; 1QE3; |
| Mapped Pubmed ID | - |
| Motif | |
| Gene Encoded By | |
| Mass | 53,986 |
| Kinetics | |
| Metal Binding | |
| Rhea ID | |
| Cross Reference Brenda | 3.1.1.1; |