6C73
Tryptophan synthase Q114A mutant (internal aldimine state) in complex with N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) with cesium ion bound in the metal coordination site
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0000162 | biological_process | L-tryptophan biosynthetic process |
| A | 0003824 | molecular_function | catalytic activity |
| A | 0004834 | molecular_function | tryptophan synthase activity |
| A | 0005515 | molecular_function | protein binding |
| A | 0005829 | cellular_component | cytosol |
| A | 0006568 | biological_process | L-tryptophan metabolic process |
| A | 0008652 | biological_process | amino acid biosynthetic process |
| A | 0009073 | biological_process | aromatic amino acid family biosynthetic process |
| A | 0016829 | molecular_function | lyase activity |
| B | 0000162 | biological_process | L-tryptophan biosynthetic process |
| B | 0004834 | molecular_function | tryptophan synthase activity |
| B | 0005515 | molecular_function | protein binding |
| B | 0005737 | cellular_component | cytoplasm |
| B | 0006568 | biological_process | L-tryptophan metabolic process |
| B | 0008652 | biological_process | amino acid biosynthetic process |
| B | 0009073 | biological_process | aromatic amino acid family biosynthetic process |
| B | 0016829 | molecular_function | lyase activity |
| B | 0042802 | molecular_function | identical protein binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | binding site for residue DMS A 301 |
| Chain | Residue |
| A | ILE41 |
| A | HIS92 |
| A | PRO93 |
| A | THR94 |
| A | ILE95 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | binding site for residue DMS A 302 |
| Chain | Residue |
| A | PHE152 |
| A | HOH411 |
| A | HOH444 |
| A | PHE139 |
| A | ARG140 |
| A | PRO150 |
| A | ILE151 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | binding site for residue DMS A 303 |
| Chain | Residue |
| A | LEU69 |
| A | PHE72 |
| A | HOH489 |
| A | HOH493 |
| B | GLY162 |
| site_id | AC4 |
| Number of Residues | 8 |
| Details | binding site for residue DMS A 304 |
| Chain | Residue |
| A | MET1 |
| A | ARG3 |
| A | VAL123 |
| A | ASP124 |
| A | HIS146 |
| A | ASN147 |
| A | ILE148 |
| A | HOH497 |
| site_id | AC5 |
| Number of Residues | 3 |
| Details | binding site for residue DMS A 305 |
| Chain | Residue |
| A | LEU191 |
| A | LEU193 |
| A | HOH428 |
| site_id | AC6 |
| Number of Residues | 4 |
| Details | binding site for residue DMS A 306 |
| Chain | Residue |
| A | PHE82 |
| A | ARG117 |
| A | HOH405 |
| A | HOH415 |
| site_id | AC7 |
| Number of Residues | 6 |
| Details | binding site for residue DMS A 307 |
| Chain | Residue |
| A | ASP38 |
| A | LYS91 |
| A | LEU144 |
| A | ARG145 |
| A | ASN147 |
| A | HOH606 |
| site_id | AC8 |
| Number of Residues | 2 |
| Details | binding site for residue DMS A 308 |
| Chain | Residue |
| A | ARG15 |
| A | GLU16 |
| site_id | AC9 |
| Number of Residues | 6 |
| Details | binding site for residue DMS A 309 |
| Chain | Residue |
| A | ARG267 |
| A | ALA268 |
| B | LYS99 |
| B | LEU126 |
| B | GLY127 |
| B | HOH705 |
| site_id | AD1 |
| Number of Residues | 21 |
| Details | binding site for residue F9F A 310 |
| Chain | Residue |
| A | PHE22 |
| A | GLU49 |
| A | ALA59 |
| A | ILE64 |
| A | LEU100 |
| A | LEU127 |
| A | ALA129 |
| A | ILE153 |
| A | TYR175 |
| A | THR183 |
| A | GLY184 |
| A | PHE212 |
| A | GLY213 |
| A | ILE232 |
| A | GLY234 |
| A | SER235 |
| A | HOH414 |
| A | HOH469 |
| A | HOH528 |
| A | HOH666 |
| B | PRO18 |
| site_id | AD2 |
| Number of Residues | 10 |
| Details | binding site for residue PEG A 311 |
| Chain | Residue |
| A | ILE111 |
| A | GLU135 |
| A | PRO138 |
| A | PHE139 |
| A | HOH401 |
| A | HOH403 |
| A | HOH435 |
| B | TYR16 |
| B | LYS283 |
| B | HOH539 |
| site_id | AD3 |
| Number of Residues | 5 |
| Details | binding site for residue EDO A 312 |
| Chain | Residue |
| A | PRO217 |
| A | PHE258 |
| A | HOH406 |
| A | HOH611 |
| B | GLU182 |
| site_id | AD4 |
| Number of Residues | 4 |
| Details | binding site for residue CS A 313 |
| Chain | Residue |
| A | ALA167 |
| A | GLY170 |
| A | HIS204 |
| A | HOH671 |
| site_id | AD5 |
| Number of Residues | 16 |
| Details | binding site for residue PLP B 401 |
| Chain | Residue |
| B | HOH544 |
| B | HOH611 |
| B | HOH634 |
| B | ALA85 |
| B | HIS86 |
| B | LYS87 |
| B | THR190 |
| B | CYS230 |
| B | GLY232 |
| B | GLY233 |
| B | GLY234 |
| B | SER235 |
| B | ASN236 |
| B | GLU350 |
| B | SER377 |
| B | GLY378 |
| site_id | AD6 |
| Number of Residues | 5 |
| Details | binding site for residue DMS B 402 |
| Chain | Residue |
| B | TYR133 |
| B | GLU172 |
| B | ARG175 |
| B | HOH567 |
| B | HOH787 |
| site_id | AD7 |
| Number of Residues | 6 |
| Details | binding site for residue DMS B 403 |
| Chain | Residue |
| B | LYS50 |
| B | GLY54 |
| B | ARG55 |
| B | PRO56 |
| B | THR57 |
| B | GLN215 |
| site_id | AD8 |
| Number of Residues | 4 |
| Details | binding site for residue DMS B 404 |
| Chain | Residue |
| B | GLN42 |
| B | ALA46 |
| B | HOH559 |
| B | HOH816 |
| site_id | AD9 |
| Number of Residues | 5 |
| Details | binding site for residue DMS B 405 |
| Chain | Residue |
| B | LEU271 |
| B | ASN317 |
| B | ARG363 |
| B | GLU364 |
| B | HOH531 |
| site_id | AE1 |
| Number of Residues | 7 |
| Details | binding site for residue DMS B 406 |
| Chain | Residue |
| A | SER221 |
| A | ARG225 |
| A | ALA268 |
| A | HOH702 |
| B | LYS99 |
| B | ARG100 |
| B | HOH745 |
| site_id | AE2 |
| Number of Residues | 3 |
| Details | binding site for residue DMS B 407 |
| Chain | Residue |
| B | ILE262 |
| B | HIS267 |
| B | HIS273 |
| site_id | AE3 |
| Number of Residues | 4 |
| Details | binding site for residue DMS B 408 |
| Chain | Residue |
| B | THR3 |
| B | LEU4 |
| B | LEU5 |
| B | ASN6 |
| site_id | AE4 |
| Number of Residues | 5 |
| Details | binding site for residue DMS B 409 |
| Chain | Residue |
| B | HIS273 |
| B | MET287 |
| B | GLN288 |
| B | GLU295 |
| B | HOH853 |
| site_id | AE5 |
| Number of Residues | 3 |
| Details | binding site for residue DMS B 410 |
| Chain | Residue |
| B | LYS37 |
| B | PRO39 |
| B | EDO416 |
| site_id | AE6 |
| Number of Residues | 2 |
| Details | binding site for residue DMS B 411 |
| Chain | Residue |
| B | ARG150 |
| B | LEU391 |
| site_id | AE7 |
| Number of Residues | 4 |
| Details | binding site for residue DMS B 412 |
| Chain | Residue |
| B | SER143 |
| B | ILE384 |
| B | PHE385 |
| B | HIS388 |
| site_id | AE8 |
| Number of Residues | 4 |
| Details | binding site for residue EDO B 413 |
| Chain | Residue |
| B | GLU11 |
| B | PHE12 |
| B | LYS283 |
| B | HOH801 |
| site_id | AE9 |
| Number of Residues | 5 |
| Details | binding site for residue EDO B 414 |
| Chain | Residue |
| B | ILE65 |
| B | HIS342 |
| B | ARG363 |
| B | HOH649 |
| B | HOH650 |
| site_id | AF1 |
| Number of Residues | 4 |
| Details | binding site for residue EDO B 415 |
| Chain | Residue |
| B | ARG70 |
| B | ILE319 |
| B | GLU367 |
| B | GLU369 |
| site_id | AF2 |
| Number of Residues | 4 |
| Details | binding site for residue EDO B 416 |
| Chain | Residue |
| B | GLN36 |
| B | GLN42 |
| B | DMS410 |
| B | HOH557 |
| site_id | AF3 |
| Number of Residues | 7 |
| Details | binding site for residue CS B 417 |
| Chain | Residue |
| B | VAL231 |
| B | GLY232 |
| B | GLU256 |
| B | GLY268 |
| B | PRO270 |
| B | PHE306 |
| B | SER308 |
| site_id | AF4 |
| Number of Residues | 4 |
| Details | binding site for residue CS B 418 |
| Chain | Residue |
| B | THR66 |
| B | THR69 |
| B | THR71 |
| B | HOH759 |
Functional Information from PROSITE/UniProt
| site_id | PS00167 |
| Number of Residues | 14 |
| Details | TRP_SYNTHASE_ALPHA Tryptophan synthase alpha chain signature. LELGvPFSDPLADG |
| Chain | Residue | Details |
| A | LEU48-GLY61 |
| site_id | PS00168 |
| Number of Residues | 15 |
| Details | TRP_SYNTHASE_BETA Tryptophan synthase beta chain pyridoxal-phosphate attachment site. LlHgGAHKtNqvLgQ |
| Chain | Residue | Details |
| B | LEU80-GLN94 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | Active site: {"description":"Proton acceptor"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | Modified residue: {"description":"N6-(pyridoxal phosphate)lysine"} |
| Chain | Residue | Details |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 3 |
| Details | M-CSA 383 |
| Chain | Residue | Details |
| B | LYS87 | electron pair acceptor, electron pair donor, nucleofuge, nucleophile, proton acceptor, proton donor |
| B | GLU109 | |
| B | SER377 | hydrogen bond donor |
