3R8W
Structure of 3-isopropylmalate dehydrogenase isoform 2 from Arabidopsis thaliana at 2.2 angstrom resolution
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0000287 | molecular_function | magnesium ion binding |
| A | 0003862 | molecular_function | 3-isopropylmalate dehydrogenase activity |
| A | 0005829 | cellular_component | cytosol |
| A | 0008652 | biological_process | amino acid biosynthetic process |
| A | 0009082 | biological_process | branched-chain amino acid biosynthetic process |
| A | 0009098 | biological_process | L-leucine biosynthetic process |
| A | 0009507 | cellular_component | chloroplast |
| A | 0009536 | cellular_component | plastid |
| A | 0009553 | biological_process | embryo sac development |
| A | 0009555 | biological_process | pollen development |
| A | 0009570 | cellular_component | chloroplast stroma |
| A | 0009941 | cellular_component | chloroplast envelope |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0016616 | molecular_function | oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor |
| A | 0042803 | molecular_function | protein homodimerization activity |
| A | 0046872 | molecular_function | metal ion binding |
| A | 0051287 | molecular_function | NAD binding |
| A | 0070403 | molecular_function | NAD+ binding |
| B | 0000287 | molecular_function | magnesium ion binding |
| B | 0003862 | molecular_function | 3-isopropylmalate dehydrogenase activity |
| B | 0005829 | cellular_component | cytosol |
| B | 0008652 | biological_process | amino acid biosynthetic process |
| B | 0009082 | biological_process | branched-chain amino acid biosynthetic process |
| B | 0009098 | biological_process | L-leucine biosynthetic process |
| B | 0009507 | cellular_component | chloroplast |
| B | 0009536 | cellular_component | plastid |
| B | 0009553 | biological_process | embryo sac development |
| B | 0009555 | biological_process | pollen development |
| B | 0009570 | cellular_component | chloroplast stroma |
| B | 0009941 | cellular_component | chloroplast envelope |
| B | 0016491 | molecular_function | oxidoreductase activity |
| B | 0016616 | molecular_function | oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor |
| B | 0042803 | molecular_function | protein homodimerization activity |
| B | 0046872 | molecular_function | metal ion binding |
| B | 0051287 | molecular_function | NAD binding |
| B | 0070403 | molecular_function | NAD+ binding |
| C | 0000287 | molecular_function | magnesium ion binding |
| C | 0003862 | molecular_function | 3-isopropylmalate dehydrogenase activity |
| C | 0005829 | cellular_component | cytosol |
| C | 0008652 | biological_process | amino acid biosynthetic process |
| C | 0009082 | biological_process | branched-chain amino acid biosynthetic process |
| C | 0009098 | biological_process | L-leucine biosynthetic process |
| C | 0009507 | cellular_component | chloroplast |
| C | 0009536 | cellular_component | plastid |
| C | 0009553 | biological_process | embryo sac development |
| C | 0009555 | biological_process | pollen development |
| C | 0009570 | cellular_component | chloroplast stroma |
| C | 0009941 | cellular_component | chloroplast envelope |
| C | 0016491 | molecular_function | oxidoreductase activity |
| C | 0016616 | molecular_function | oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor |
| C | 0042803 | molecular_function | protein homodimerization activity |
| C | 0046872 | molecular_function | metal ion binding |
| C | 0051287 | molecular_function | NAD binding |
| C | 0070403 | molecular_function | NAD+ binding |
| D | 0000287 | molecular_function | magnesium ion binding |
| D | 0003862 | molecular_function | 3-isopropylmalate dehydrogenase activity |
| D | 0005829 | cellular_component | cytosol |
| D | 0008652 | biological_process | amino acid biosynthetic process |
| D | 0009082 | biological_process | branched-chain amino acid biosynthetic process |
| D | 0009098 | biological_process | L-leucine biosynthetic process |
| D | 0009507 | cellular_component | chloroplast |
| D | 0009536 | cellular_component | plastid |
| D | 0009553 | biological_process | embryo sac development |
| D | 0009555 | biological_process | pollen development |
| D | 0009570 | cellular_component | chloroplast stroma |
| D | 0009941 | cellular_component | chloroplast envelope |
| D | 0016491 | molecular_function | oxidoreductase activity |
| D | 0016616 | molecular_function | oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor |
| D | 0042803 | molecular_function | protein homodimerization activity |
| D | 0046872 | molecular_function | metal ion binding |
| D | 0051287 | molecular_function | NAD binding |
| D | 0070403 | molecular_function | NAD+ binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE ACT A 368 |
| Chain | Residue |
| A | LYS151 |
| A | PHE161 |
| B | GLU146 |
| site_id | AC2 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE ACT A 369 |
| Chain | Residue |
| A | HIS169 |
| A | ARG173 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ACT A 370 |
| Chain | Residue |
| A | GLU91 |
| A | ARG98 |
| A | ARG108 |
| A | ARG136 |
| site_id | AC4 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE ACT A 371 |
| Chain | Residue |
| A | ASP235 |
| A | GLN238 |
| site_id | AC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ACT A 372 |
| Chain | Residue |
| A | ILE15 |
| A | ASN296 |
| A | ASP337 |
| A | HOH487 |
| site_id | AC6 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE ACT B 368 |
| Chain | Residue |
| B | HIS169 |
| B | ARG173 |
| site_id | AC7 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE ACT B 369 |
| Chain | Residue |
| B | ASP235 |
| B | GLN238 |
| site_id | AC8 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE ACT B 370 |
| Chain | Residue |
| B | ASP254 |
| B | ILE282 |
| site_id | AC9 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE ACT B 371 |
| Chain | Residue |
| B | ASN296 |
| B | ASP337 |
| site_id | BC1 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE ACT B 372 |
| Chain | Residue |
| B | ARG207 |
| site_id | BC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ACT B 373 |
| Chain | Residue |
| B | GLU91 |
| B | ARG98 |
| B | ARG108 |
| B | ARG136 |
| site_id | BC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE ACT C 368 |
| Chain | Residue |
| C | ARG98 |
| C | ARG108 |
| C | ARG136 |
| site_id | BC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ACT D 368 |
| Chain | Residue |
| D | GLU91 |
| D | ARG98 |
| D | ARG108 |
| D | ARG136 |
| site_id | BC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE ACT D 369 |
| Chain | Residue |
| D | ASP235 |
| D | LYS237 |
| D | GLN238 |
| site_id | BC6 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE ACT D 370 |
| Chain | Residue |
| D | ARG108 |
| D | ASP254 |
Functional Information from PROSITE/UniProt
| site_id | PS00470 |
| Number of Residues | 20 |
| Details | IDH_IMDH Isocitrate and isopropylmalate dehydrogenases signature. NIFGDIlSDeaSmit.GSIGM |
| Chain | Residue | Details |
| A | ASN246-MET265 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 132 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"27137927","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5J33","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 16 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"27137927","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5J32","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 8 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"27137927","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5J32","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5J33","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5J34","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 4 |
| Details | Site: {"description":"Confers substrate specificity","evidences":[{"source":"PubMed","id":"21697089","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 8 |
| Details | Site: {"description":"Important for catalysis","evidences":[{"source":"PubMed","id":"27137927","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 8 |
| Details | Site: {"description":"Essential for redox regulation","evidences":[{"source":"UniProtKB","id":"Q9FMT1","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 4 |
| Details | Modified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"Q9FMT1","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |






