4IKX
Crystal structure of peptide transporter POT (E310Q mutant)
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005886 | cellular_component | plasma membrane |
| A | 0006857 | biological_process | oligopeptide transport |
| A | 0015333 | molecular_function | peptide:proton symporter activity |
| A | 0015833 | biological_process | peptide transport |
| A | 0016020 | cellular_component | membrane |
| A | 0022857 | molecular_function | transmembrane transporter activity |
| A | 0035442 | biological_process | dipeptide transmembrane transport |
| A | 0035443 | biological_process | tripeptide transmembrane transport |
| A | 0042937 | molecular_function | tripeptide transmembrane transporter activity |
| A | 0055085 | biological_process | transmembrane transport |
| A | 0071916 | molecular_function | dipeptide transmembrane transporter activity |
| A | 1902600 | biological_process | proton transmembrane transport |
| A | 1904680 | molecular_function | peptide transmembrane transporter activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 601 |
| Chain | Residue |
| A | ALA2 |
| A | THR216 |
| A | TYR217 |
| A | VAL218 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 A 602 |
| Chain | Residue |
| A | ARG16 |
| A | GLY17 |
| A | PHE18 |
| A | PHE19 |
| A | GLY20 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 A 603 |
| Chain | Residue |
| A | GLN15 |
| A | HOH710 |
| A | HOH721 |
| A | HOH774 |
| A | HOH777 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 A 604 |
| Chain | Residue |
| A | PRO14 |
| A | GLN15 |
| A | ARG16 |
| site_id | AC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE OLA A 605 |
| Chain | Residue |
| A | PHE92 |
| A | ARG96 |
| A | TYR100 |
Functional Information from PROSITE/UniProt
| site_id | PS01022 |
| Number of Residues | 25 |
| Details | PTR2_1 PTR2 family proton/oligopeptide symporters signature 1. GGWLADrVFGtsrAVfygGlLimaG |
| Chain | Residue | Details |
| A | GLY84-GLY108 |
| site_id | PS01023 |
| Number of Residues | 13 |
| Details | PTR2_2 PTR2 family proton/oligopeptide symporters signature 2. FsiFYMgINLGAF |
| Chain | Residue | Details |
| A | PHE158-PHE170 |
