1JH6
Semi-reduced Cyclic Nucleotide Phosphodiesterase from Arabidopsis thaliana
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004112 | molecular_function | cyclic-nucleotide phosphodiesterase activity |
| A | 0004113 | molecular_function | 2',3'-cyclic-nucleotide 3'-phosphodiesterase activity |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0005829 | cellular_component | cytosol |
| A | 0006388 | biological_process | tRNA splicing, via endonucleolytic cleavage and ligation |
| A | 0009187 | biological_process | cyclic nucleotide metabolic process |
| A | 0016787 | molecular_function | hydrolase activity |
| B | 0004112 | molecular_function | cyclic-nucleotide phosphodiesterase activity |
| B | 0004113 | molecular_function | 2',3'-cyclic-nucleotide 3'-phosphodiesterase activity |
| B | 0005737 | cellular_component | cytoplasm |
| B | 0005829 | cellular_component | cytosol |
| B | 0006388 | biological_process | tRNA splicing, via endonucleolytic cleavage and ligation |
| B | 0009187 | biological_process | cyclic nucleotide metabolic process |
| B | 0016787 | molecular_function | hydrolase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE SO4 A 211 |
| Chain | Residue |
| A | HIS42 |
| A | HOH308 |
| A | HOH413 |
| A | THR44 |
| A | HIS119 |
| A | SER121 |
| A | TYR124 |
| A | HOH302 |
| A | HOH303 |
| A | HOH304 |
| A | HOH305 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE SO4 A 212 |
| Chain | Residue |
| A | ARG31 |
| A | ARG31 |
| A | ARG31 |
| A | ARG38 |
| A | ARG38 |
| A | ARG38 |
| A | HOH393 |
| site_id | AC3 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE SO4 B 221 |
| Chain | Residue |
| B | HIS42 |
| B | THR44 |
| B | HIS119 |
| B | SER121 |
| B | TYR124 |
| B | HOH502 |
| B | HOH503 |
| B | HOH504 |
| B | HOH505 |
| B | HOH508 |
| B | HOH662 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE SO4 B 222 |
| Chain | Residue |
| B | ARG31 |
| B | ARG31 |
| B | ARG31 |
| B | ARG38 |
| B | ARG38 |
| B | ARG38 |
| B | HOH518 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 4 |
| Details | Active site: {"description":"Proton donor/acceptor"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 6 |
| Details | Binding site: {} |
| Chain | Residue | Details |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 5 |
| Details | a catalytic site defined by CSA, PubMed 11080166 |
| Chain | Residue | Details |
| A | HIS42 | |
| A | SER121 | |
| A | MET117 | |
| A | HIS119 | |
| A | TYR124 |
| site_id | CSA2 |
| Number of Residues | 5 |
| Details | a catalytic site defined by CSA, PubMed 11080166 |
| Chain | Residue | Details |
| B | HIS42 | |
| B | SER121 | |
| B | MET117 | |
| B | HIS119 | |
| B | TYR124 |
| site_id | MCSA1 |
| Number of Residues | 6 |
| Details | M-CSA 794 |
| Chain | Residue | Details |
| A | HIS42 | proton donor |
| A | THR44 | electrostatic stabiliser |
| A | MET117 | electrostatic stabiliser, increase basicity |
| A | HIS119 | increase nucleophilicity, proton acceptor |
| A | SER121 | electrostatic stabiliser |
| A | TYR124 | electrostatic stabiliser |
| site_id | MCSA2 |
| Number of Residues | 6 |
| Details | M-CSA 794 |
| Chain | Residue | Details |
| B | HIS42 | proton donor |
| B | THR44 | electrostatic stabiliser |
| B | MET117 | electrostatic stabiliser, increase basicity |
| B | HIS119 | increase nucleophilicity, proton acceptor |
| B | SER121 | electrostatic stabiliser |
| B | TYR124 | electrostatic stabiliser |
