6O65
Crystal Structure of Arabidopsis thaliana Spermidine Synthase isoform 1 (AtSPDS1) in complex with decarboxylated S-adenosylmethionine and cyclohexylamine
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0003824 | molecular_function | catalytic activity |
| A | 0004766 | molecular_function | spermidine synthase activity |
| A | 0005634 | cellular_component | nucleus |
| A | 0005829 | cellular_component | cytosol |
| A | 0006595 | biological_process | polyamine metabolic process |
| A | 0006596 | biological_process | polyamine biosynthetic process |
| A | 0008295 | biological_process | spermidine biosynthetic process |
| A | 0009507 | cellular_component | chloroplast |
| A | 0016740 | molecular_function | transferase activity |
| B | 0003824 | molecular_function | catalytic activity |
| B | 0004766 | molecular_function | spermidine synthase activity |
| B | 0005634 | cellular_component | nucleus |
| B | 0005829 | cellular_component | cytosol |
| B | 0006595 | biological_process | polyamine metabolic process |
| B | 0006596 | biological_process | polyamine biosynthetic process |
| B | 0008295 | biological_process | spermidine biosynthetic process |
| B | 0009507 | cellular_component | chloroplast |
| B | 0016740 | molecular_function | transferase activity |
| C | 0003824 | molecular_function | catalytic activity |
| C | 0004766 | molecular_function | spermidine synthase activity |
| C | 0005634 | cellular_component | nucleus |
| C | 0005829 | cellular_component | cytosol |
| C | 0006595 | biological_process | polyamine metabolic process |
| C | 0006596 | biological_process | polyamine biosynthetic process |
| C | 0008295 | biological_process | spermidine biosynthetic process |
| C | 0009507 | cellular_component | chloroplast |
| C | 0016740 | molecular_function | transferase activity |
| D | 0003824 | molecular_function | catalytic activity |
| D | 0004766 | molecular_function | spermidine synthase activity |
| D | 0005634 | cellular_component | nucleus |
| D | 0005829 | cellular_component | cytosol |
| D | 0006595 | biological_process | polyamine metabolic process |
| D | 0006596 | biological_process | polyamine biosynthetic process |
| D | 0008295 | biological_process | spermidine biosynthetic process |
| D | 0009507 | cellular_component | chloroplast |
| D | 0016740 | molecular_function | transferase activity |
| E | 0003824 | molecular_function | catalytic activity |
| E | 0004766 | molecular_function | spermidine synthase activity |
| E | 0005634 | cellular_component | nucleus |
| E | 0005829 | cellular_component | cytosol |
| E | 0006595 | biological_process | polyamine metabolic process |
| E | 0006596 | biological_process | polyamine biosynthetic process |
| E | 0008295 | biological_process | spermidine biosynthetic process |
| E | 0009507 | cellular_component | chloroplast |
| E | 0016740 | molecular_function | transferase activity |
| F | 0003824 | molecular_function | catalytic activity |
| F | 0004766 | molecular_function | spermidine synthase activity |
| F | 0005634 | cellular_component | nucleus |
| F | 0005829 | cellular_component | cytosol |
| F | 0006595 | biological_process | polyamine metabolic process |
| F | 0006596 | biological_process | polyamine biosynthetic process |
| F | 0008295 | biological_process | spermidine biosynthetic process |
| F | 0009507 | cellular_component | chloroplast |
| F | 0016740 | molecular_function | transferase activity |
| G | 0003824 | molecular_function | catalytic activity |
| G | 0004766 | molecular_function | spermidine synthase activity |
| G | 0005634 | cellular_component | nucleus |
| G | 0005829 | cellular_component | cytosol |
| G | 0006595 | biological_process | polyamine metabolic process |
| G | 0006596 | biological_process | polyamine biosynthetic process |
| G | 0008295 | biological_process | spermidine biosynthetic process |
| G | 0009507 | cellular_component | chloroplast |
| G | 0016740 | molecular_function | transferase activity |
| H | 0003824 | molecular_function | catalytic activity |
| H | 0004766 | molecular_function | spermidine synthase activity |
| H | 0005634 | cellular_component | nucleus |
| H | 0005829 | cellular_component | cytosol |
| H | 0006595 | biological_process | polyamine metabolic process |
| H | 0006596 | biological_process | polyamine biosynthetic process |
| H | 0008295 | biological_process | spermidine biosynthetic process |
| H | 0009507 | cellular_component | chloroplast |
| H | 0016740 | molecular_function | transferase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 21 |
| Details | binding site for residue S4M A 401 |
| Chain | Residue |
| A | GLN76 |
| A | ILE152 |
| A | ASP153 |
| A | VAL156 |
| A | GLY181 |
| A | ASP182 |
| A | GLY183 |
| A | ASP201 |
| A | SER202 |
| A | SER203 |
| A | PRO208 |
| A | LEU92 |
| A | ALA209 |
| A | TYR270 |
| A | GLN97 |
| A | TYR106 |
| A | GLN107 |
| A | GLY128 |
| A | ASP131 |
| A | CYS150 |
| A | GLU151 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | binding site for residue HAI A 402 |
| Chain | Residue |
| A | GLN97 |
| A | ASP204 |
| A | GLN234 |
| A | TYR270 |
| A | ILE275 |
| A | HOH555 |
| A | HOH564 |
| site_id | AC3 |
| Number of Residues | 20 |
| Details | binding site for residue S4M B 401 |
| Chain | Residue |
| B | GLN76 |
| B | GLN97 |
| B | TYR106 |
| B | GLY128 |
| B | GLY129 |
| B | GLY130 |
| B | ASP131 |
| B | CYS150 |
| B | GLU151 |
| B | ILE152 |
| B | VAL156 |
| B | ASP182 |
| B | GLY183 |
| B | ASP201 |
| B | SER202 |
| B | SER203 |
| B | PRO208 |
| B | ALA209 |
| B | TYR270 |
| B | HOH540 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | binding site for residue HAI B 402 |
| Chain | Residue |
| B | VAL95 |
| B | ILE96 |
| B | GLN97 |
| B | SER202 |
| B | ASP204 |
| B | HOH547 |
| B | HOH590 |
| site_id | AC5 |
| Number of Residues | 6 |
| Details | binding site for residue SO4 B 403 |
| Chain | Residue |
| B | LYS66 |
| B | HOH576 |
| B | HOH609 |
| B | HOH629 |
| B | HOH636 |
| B | HOH644 |
| site_id | AC6 |
| Number of Residues | 18 |
| Details | binding site for residue S4M C 401 |
| Chain | Residue |
| C | GLN76 |
| C | GLN97 |
| C | TYR106 |
| C | GLN107 |
| C | GLY128 |
| C | ASP131 |
| C | CYS150 |
| C | GLU151 |
| C | ILE152 |
| C | VAL156 |
| C | ASP182 |
| C | GLY183 |
| C | ASP201 |
| C | SER202 |
| C | SER203 |
| C | PRO208 |
| C | ALA209 |
| C | TYR270 |
| site_id | AC7 |
| Number of Residues | 7 |
| Details | binding site for residue HAI C 402 |
| Chain | Residue |
| C | GLN97 |
| C | SER202 |
| C | ASP204 |
| C | GLN234 |
| C | ILE275 |
| C | HOH556 |
| C | HOH557 |
| site_id | AC8 |
| Number of Residues | 5 |
| Details | binding site for residue SO4 C 403 |
| Chain | Residue |
| C | ALA142 |
| C | SER143 |
| C | HOH506 |
| C | HOH508 |
| C | HOH589 |
| site_id | AC9 |
| Number of Residues | 19 |
| Details | binding site for residue S4M D 401 |
| Chain | Residue |
| D | ILE152 |
| D | VAL156 |
| D | ASP182 |
| D | GLY183 |
| D | ASP201 |
| D | SER202 |
| D | SER203 |
| D | PRO208 |
| D | ALA209 |
| D | LEU212 |
| D | TYR270 |
| D | GLN76 |
| D | GLN97 |
| D | TYR106 |
| D | GLN107 |
| D | GLY128 |
| D | ASP131 |
| D | CYS150 |
| D | GLU151 |
| site_id | AD1 |
| Number of Residues | 7 |
| Details | binding site for residue HAI D 402 |
| Chain | Residue |
| D | VAL95 |
| D | ILE96 |
| D | GLN97 |
| D | ASP204 |
| D | GLN234 |
| D | HOH527 |
| D | HOH541 |
| site_id | AD2 |
| Number of Residues | 19 |
| Details | binding site for residue S4M E 401 |
| Chain | Residue |
| E | GLN76 |
| E | GLN97 |
| E | TYR106 |
| E | GLN107 |
| E | GLY128 |
| E | ASP131 |
| E | CYS150 |
| E | GLU151 |
| E | ILE152 |
| E | ASP153 |
| E | VAL156 |
| E | ASP182 |
| E | GLY183 |
| E | ASP201 |
| E | SER202 |
| E | SER203 |
| E | PRO208 |
| E | ALA209 |
| E | TYR270 |
| site_id | AD3 |
| Number of Residues | 7 |
| Details | binding site for residue HAI E 402 |
| Chain | Residue |
| E | VAL95 |
| E | ILE96 |
| E | GLN97 |
| E | SER202 |
| E | ASP204 |
| E | HOH1672 |
| E | HOH1757 |
| site_id | AD4 |
| Number of Residues | 8 |
| Details | binding site for residue PEG E 403 |
| Chain | Residue |
| E | MET54 |
| E | TRP55 |
| E | ASP204 |
| E | PRO205 |
| E | GLU236 |
| E | HIS241 |
| E | ILE244 |
| E | HOH1718 |
| site_id | AD5 |
| Number of Residues | 10 |
| Details | binding site for residue SO4 E 404 |
| Chain | Residue |
| E | ARG140 |
| E | HIS141 |
| E | ALA142 |
| E | SER143 |
| E | ASP297 |
| E | HOH1698 |
| E | HOH1715 |
| E | HOH1740 |
| E | HOH1741 |
| E | HOH1766 |
| site_id | AD6 |
| Number of Residues | 21 |
| Details | binding site for residue S4M F 401 |
| Chain | Residue |
| F | GLN76 |
| F | LEU92 |
| F | GLN97 |
| F | TYR106 |
| F | GLY128 |
| F | ASP131 |
| F | CYS150 |
| F | GLU151 |
| F | ILE152 |
| F | ASP153 |
| F | VAL156 |
| F | ASP182 |
| F | GLY183 |
| F | ASP201 |
| F | SER202 |
| F | SER203 |
| F | PRO208 |
| F | ALA209 |
| F | LEU212 |
| F | TYR270 |
| F | HOH614 |
| site_id | AD7 |
| Number of Residues | 8 |
| Details | binding site for residue HAI F 402 |
| Chain | Residue |
| F | VAL95 |
| F | GLN97 |
| F | SER202 |
| F | ASP204 |
| F | GLN234 |
| F | ILE275 |
| F | HOH583 |
| F | HOH637 |
| site_id | AD8 |
| Number of Residues | 3 |
| Details | binding site for residue EDO F 403 |
| Chain | Residue |
| F | LYS72 |
| F | SER73 |
| F | ASP77 |
| site_id | AD9 |
| Number of Residues | 19 |
| Details | binding site for residue S4M G 401 |
| Chain | Residue |
| G | GLN76 |
| G | GLN97 |
| G | TYR106 |
| G | GLY128 |
| G | ASP131 |
| G | CYS150 |
| G | GLU151 |
| G | ILE152 |
| G | ASP153 |
| G | VAL156 |
| G | ASP182 |
| G | GLY183 |
| G | ASP201 |
| G | SER202 |
| G | SER203 |
| G | PRO208 |
| G | ALA209 |
| G | TYR270 |
| G | HOH666 |
| site_id | AE1 |
| Number of Residues | 9 |
| Details | binding site for residue HAI G 402 |
| Chain | Residue |
| G | VAL95 |
| G | GLN97 |
| G | SER202 |
| G | ASP204 |
| G | GLN234 |
| G | TYR270 |
| G | ILE275 |
| G | HOH537 |
| G | HOH555 |
| site_id | AE2 |
| Number of Residues | 8 |
| Details | binding site for residue PEG G 403 |
| Chain | Residue |
| G | ASN261 |
| G | LYS290 |
| G | GLU330 |
| G | HOH548 |
| G | HOH557 |
| G | HOH574 |
| G | HOH609 |
| G | HOH621 |
| site_id | AE3 |
| Number of Residues | 3 |
| Details | binding site for residue EDO G 404 |
| Chain | Residue |
| G | ASN311 |
| G | ALA312 |
| G | HOH509 |
| site_id | AE4 |
| Number of Residues | 7 |
| Details | binding site for residue SO4 G 405 |
| Chain | Residue |
| G | ARG140 |
| G | HIS141 |
| G | ALA142 |
| G | SER143 |
| G | ILE296 |
| G | HOH584 |
| G | HOH589 |
| site_id | AE5 |
| Number of Residues | 20 |
| Details | binding site for residue S4M H 401 |
| Chain | Residue |
| H | GLN76 |
| H | LEU92 |
| H | GLN97 |
| H | TYR106 |
| H | GLY128 |
| H | ASP131 |
| H | CYS150 |
| H | GLU151 |
| H | ILE152 |
| H | ASP153 |
| H | VAL156 |
| H | ASP182 |
| H | GLY183 |
| H | ASP201 |
| H | SER202 |
| H | SER203 |
| H | PRO208 |
| H | ALA209 |
| H | TYR270 |
| H | HOH532 |
| site_id | AE6 |
| Number of Residues | 5 |
| Details | binding site for residue HAI H 402 |
| Chain | Residue |
| H | ASP204 |
| H | GLN234 |
| H | TYR270 |
| H | HOH528 |
| H | HOH584 |
Functional Information from PROSITE/UniProt
| site_id | PS01330 |
| Number of Residues | 14 |
| Details | PABS_1 Polyamine biosynthesis (PABS) domain signature. VLVIGGGdGgvLrE |
| Chain | Residue | Details |
| A | VAL124-GLU137 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1896 |
| Details | Domain: {"description":"PABS"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 8 |
| Details | Active site: {"description":"Proton acceptor","evidences":[{"evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 88 |
| Details | Binding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |






