1ASA
THE STRUCTURAL BASIS FOR THE REDUCED ACTIVITY OF THE Y226F(Y225F) ACTIVE SITE MUTANT OF E. COLI ASPARTATE AMINOTRANSFERASE
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0003824 | molecular_function | catalytic activity |
| A | 0004069 | molecular_function | L-aspartate:2-oxoglutarate aminotransferase activity |
| A | 0004838 | molecular_function | L-tyrosine:2-oxoglutarate aminotransferase activity |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0005829 | cellular_component | cytosol |
| A | 0006520 | biological_process | amino acid metabolic process |
| A | 0006533 | biological_process | aspartate catabolic process |
| A | 0008483 | molecular_function | transaminase activity |
| A | 0009058 | biological_process | biosynthetic process |
| A | 0009094 | biological_process | L-phenylalanine biosynthetic process |
| A | 0016740 | molecular_function | transferase activity |
| A | 0030170 | molecular_function | pyridoxal phosphate binding |
| A | 0033585 | biological_process | L-phenylalanine biosynthetic process from chorismate via phenylpyruvate |
| A | 0042802 | molecular_function | identical protein binding |
| A | 0042803 | molecular_function | protein homodimerization activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE PLP A 409 |
| Chain | Residue |
| A | ASP223 |
| A | TYR226 |
| A | SER255 |
| A | SER257 |
| A | LYS258 |
| A | ARG266 |
| A | MAE410 |
| A | TYR77 |
| A | GLY114 |
| A | GLY115 |
| A | THR116 |
| A | TRP142 |
| A | ASN195 |
| site_id | AC2 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE MAE A 410 |
| Chain | Residue |
| A | ILE25 |
| A | GLY46 |
| A | TYR77 |
| A | TRP142 |
| A | ASN195 |
| A | LYS258 |
| A | ARG292 |
| A | ARG386 |
| A | PLP409 |
| A | HOH515 |
| site_id | ACT |
| Number of Residues | 3 |
| Details |
| Chain | Residue |
| A | LYS258 |
| A | ARG386 |
| A | ARG292 |
Functional Information from PROSITE/UniProt
| site_id | PS00105 |
| Number of Residues | 14 |
| Details | AA_TRANSFER_CLASS_1 Aminotransferases class-I pyridoxal-phosphate attachment site. SYSKnfGLyNERVG |
| Chain | Residue | Details |
| A | SER255-GLY268 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | BINDING: BINDING => ECO:0007744|PDB:1ART, ECO:0007744|PDB:1CZE, ECO:0007744|PDB:3QPG, ECO:0007744|PDB:4DBC |
| Chain | Residue | Details |
| A | GLY46 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | BINDING: BINDING => ECO:0007744|PDB:1AIB, ECO:0007744|PDB:1ART, ECO:0007744|PDB:1CZE, ECO:0007744|PDB:1SPA, ECO:0007744|PDB:3QPG, ECO:0007744|PDB:4DBC |
| Chain | Residue | Details |
| A | TRP142 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1 |
| Details | BINDING: BINDING => ECO:0007744|PDB:1AIB, ECO:0007744|PDB:1ART, ECO:0007744|PDB:1ASC, ECO:0007744|PDB:1CZE, ECO:0007744|PDB:1SPA, ECO:0007744|PDB:3QPG, ECO:0007744|PDB:4DBC |
| Chain | Residue | Details |
| A | ASN195 |
| site_id | SWS_FT_FI4 |
| Number of Residues | 1 |
| Details | BINDING: BINDING => ECO:0007744|PDB:1AHG, ECO:0007744|PDB:1AIB, ECO:0007744|PDB:1ARG, ECO:0007744|PDB:1ART, ECO:0007744|PDB:1CZE, ECO:0007744|PDB:3QPG, ECO:0007744|PDB:4DBC |
| Chain | Residue | Details |
| A | ARG386 |
| site_id | SWS_FT_FI5 |
| Number of Residues | 1 |
| Details | MOD_RES: N6-(pyridoxal phosphate)lysine => ECO:0000269|PubMed:11148029, ECO:0000269|PubMed:1993208, ECO:0000269|PubMed:3298240, ECO:0000269|PubMed:9891001, ECO:0007744|PDB:1AAW, ECO:0007744|PDB:1AHE, ECO:0007744|PDB:1AHF, ECO:0007744|PDB:1AHX, ECO:0007744|PDB:1AHY, ECO:0007744|PDB:1ARI, ECO:0007744|PDB:1ARS, ECO:0007744|PDB:1ASA, ECO:0007744|PDB:1ASB, ECO:0007744|PDB:1ASD, ECO:0007744|PDB:1ASE, ECO:0007744|PDB:1ASF, ECO:0007744|PDB:1ASG, ECO:0007744|PDB:1ASM, ECO:0007744|PDB:1ASN, ECO:0007744|PDB:1B4X, ECO:0007744|PDB:1CZC, ECO:0007744|PDB:1CZE, ECO:0007744|PDB:1G4V, ECO:0007744|PDB:1G4X, ECO:0007744|PDB:1G7W, ECO:0007744|PDB:1G7X, ECO:0007744|PDB:1IX6, ECO:0007744|PDB:1IX7, ECO:0007744|PDB:1IX8, ECO:0007744|PDB:1QIR, ECO:0007744|PDB:1QIS, ECO:0007744|PDB:1QIT, ECO:0007744|PDB:1YOO, ECO:0007744|PDB:2D5Y, ECO:0007744|PDB:2D61, ECO:0007744|PDB:2D63, ECO:0007744|PDB:2D7Y, ECO:0007744|PDB:3AAT, ECO:0007744|PDB:3ZZJ, ECO:0007744|PDB:5EAA |
| Chain | Residue | Details |
| A | LYS258 |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 3 |
| Details | M-CSA 777 |
| Chain | Residue | Details |
| A | TRP142 | steric role |
| A | ASP223 | proton shuttle (general acid/base) |
| A | LYS258 | proton shuttle (general acid/base) |
