4MEZ
Crystal structure of M68L/M69T double mutant TEM-1
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005515 | molecular_function | protein binding |
| A | 0008800 | molecular_function | beta-lactamase activity |
| A | 0016787 | molecular_function | hydrolase activity |
| A | 0017001 | biological_process | antibiotic catabolic process |
| A | 0030655 | biological_process | beta-lactam antibiotic catabolic process |
| A | 0046677 | biological_process | response to antibiotic |
| B | 0005515 | molecular_function | protein binding |
| B | 0008800 | molecular_function | beta-lactamase activity |
| B | 0016787 | molecular_function | hydrolase activity |
| B | 0017001 | biological_process | antibiotic catabolic process |
| B | 0030655 | biological_process | beta-lactam antibiotic catabolic process |
| B | 0046677 | biological_process | response to antibiotic |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 A 302 |
| Chain | Residue |
| A | PRO174 |
| A | ARG241 |
| A | HOH416 |
| A | HOH435 |
| B | ARG178 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 A 303 |
| Chain | Residue |
| A | HOH462 |
| A | PRO252 |
| A | SER258 |
| A | ARG259 |
| A | TRP290 |
| site_id | AC3 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE GOL A 304 |
| Chain | Residue |
| A | GLN90 |
| A | LEU91 |
| A | GLY92 |
| A | ARG120 |
| A | HOH493 |
| A | HOH560 |
| B | GLN90 |
| B | LEU91 |
| B | GLY92 |
| B | ARG120 |
| site_id | AC4 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE CL B 301 |
| Chain | Residue |
| B | ARG93 |
| site_id | AC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 B 302 |
| Chain | Residue |
| A | HOH541 |
| B | SER258 |
| B | ARG259 |
| B | TRP290 |
| B | HOH548 |
Functional Information from PROSITE/UniProt
| site_id | PS00146 |
| Number of Residues | 16 |
| Details | BETA_LACTAMASE_A Beta-lactamase class-A active site. FpLTSTfKvllCGAVL |
| Chain | Residue | Details |
| A | PHE66-LEU81 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | ACT_SITE: Acyl-ester intermediate |
| Chain | Residue | Details |
| A | SER70 | |
| B | SER70 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 2 |
| Details | ACT_SITE: Proton acceptor |
| Chain | Residue | Details |
| A | GLU168 | |
| B | GLU168 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 2 |
| Details | BINDING: |
| Chain | Residue | Details |
| A | LYS234 | |
| B | LYS234 |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 6 |
| Details | M-CSA 2 |
| Chain | Residue | Details |
| A | SER70 | electrostatic stabiliser |
| A | LYS73 | hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor |
| A | SER130 | activator, electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor |
| A | GLU166 | activator, electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor |
| A | LYS234 | electrostatic stabiliser |
| A | ALA237 | electrostatic stabiliser, hydrogen bond donor |
| site_id | MCSA2 |
| Number of Residues | 6 |
| Details | M-CSA 2 |
| Chain | Residue | Details |
| B | SER70 | electrostatic stabiliser |
| B | LYS73 | hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor |
| B | SER130 | activator, electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor |
| B | GLU166 | activator, electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor |
| B | LYS234 | electrostatic stabiliser |
| B | ALA237 | electrostatic stabiliser, hydrogen bond donor |
