4TSQ
Crystal structure of FraC with DHPC bound (crystal form III)
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005576 | cellular_component | extracellular region |
| A | 0006811 | biological_process | monoatomic ion transport |
| A | 0006812 | biological_process | monoatomic cation transport |
| A | 0008289 | molecular_function | lipid binding |
| A | 0015267 | molecular_function | channel activity |
| A | 0031640 | biological_process | killing of cells of another organism |
| A | 0035821 | biological_process | modulation of process of another organism |
| A | 0042151 | cellular_component | nematocyst |
| A | 0042802 | molecular_function | identical protein binding |
| A | 0044218 | cellular_component | other organism cell membrane |
| A | 0046930 | cellular_component | pore complex |
| A | 0046931 | biological_process | pore complex assembly |
| A | 0051715 | biological_process | cytolysis in another organism |
| A | 0055085 | biological_process | transmembrane transport |
| A | 0090729 | molecular_function | toxin activity |
| B | 0005576 | cellular_component | extracellular region |
| B | 0006811 | biological_process | monoatomic ion transport |
| B | 0006812 | biological_process | monoatomic cation transport |
| B | 0008289 | molecular_function | lipid binding |
| B | 0015267 | molecular_function | channel activity |
| B | 0031640 | biological_process | killing of cells of another organism |
| B | 0035821 | biological_process | modulation of process of another organism |
| B | 0042151 | cellular_component | nematocyst |
| B | 0042802 | molecular_function | identical protein binding |
| B | 0044218 | cellular_component | other organism cell membrane |
| B | 0046930 | cellular_component | pore complex |
| B | 0046931 | biological_process | pore complex assembly |
| B | 0051715 | biological_process | cytolysis in another organism |
| B | 0055085 | biological_process | transmembrane transport |
| B | 0090729 | molecular_function | toxin activity |
| C | 0005576 | cellular_component | extracellular region |
| C | 0006811 | biological_process | monoatomic ion transport |
| C | 0006812 | biological_process | monoatomic cation transport |
| C | 0008289 | molecular_function | lipid binding |
| C | 0015267 | molecular_function | channel activity |
| C | 0031640 | biological_process | killing of cells of another organism |
| C | 0035821 | biological_process | modulation of process of another organism |
| C | 0042151 | cellular_component | nematocyst |
| C | 0042802 | molecular_function | identical protein binding |
| C | 0044218 | cellular_component | other organism cell membrane |
| C | 0046930 | cellular_component | pore complex |
| C | 0046931 | biological_process | pore complex assembly |
| C | 0051715 | biological_process | cytolysis in another organism |
| C | 0055085 | biological_process | transmembrane transport |
| C | 0090729 | molecular_function | toxin activity |
| D | 0005576 | cellular_component | extracellular region |
| D | 0006811 | biological_process | monoatomic ion transport |
| D | 0006812 | biological_process | monoatomic cation transport |
| D | 0008289 | molecular_function | lipid binding |
| D | 0015267 | molecular_function | channel activity |
| D | 0031640 | biological_process | killing of cells of another organism |
| D | 0035821 | biological_process | modulation of process of another organism |
| D | 0042151 | cellular_component | nematocyst |
| D | 0042802 | molecular_function | identical protein binding |
| D | 0044218 | cellular_component | other organism cell membrane |
| D | 0046930 | cellular_component | pore complex |
| D | 0046931 | biological_process | pore complex assembly |
| D | 0051715 | biological_process | cytolysis in another organism |
| D | 0055085 | biological_process | transmembrane transport |
| D | 0090729 | molecular_function | toxin activity |
| E | 0005576 | cellular_component | extracellular region |
| E | 0006811 | biological_process | monoatomic ion transport |
| E | 0006812 | biological_process | monoatomic cation transport |
| E | 0008289 | molecular_function | lipid binding |
| E | 0015267 | molecular_function | channel activity |
| E | 0031640 | biological_process | killing of cells of another organism |
| E | 0035821 | biological_process | modulation of process of another organism |
| E | 0042151 | cellular_component | nematocyst |
| E | 0042802 | molecular_function | identical protein binding |
| E | 0044218 | cellular_component | other organism cell membrane |
| E | 0046930 | cellular_component | pore complex |
| E | 0046931 | biological_process | pore complex assembly |
| E | 0051715 | biological_process | cytolysis in another organism |
| E | 0055085 | biological_process | transmembrane transport |
| E | 0090729 | molecular_function | toxin activity |
| F | 0005576 | cellular_component | extracellular region |
| F | 0006811 | biological_process | monoatomic ion transport |
| F | 0006812 | biological_process | monoatomic cation transport |
| F | 0008289 | molecular_function | lipid binding |
| F | 0015267 | molecular_function | channel activity |
| F | 0031640 | biological_process | killing of cells of another organism |
| F | 0035821 | biological_process | modulation of process of another organism |
| F | 0042151 | cellular_component | nematocyst |
| F | 0042802 | molecular_function | identical protein binding |
| F | 0044218 | cellular_component | other organism cell membrane |
| F | 0046930 | cellular_component | pore complex |
| F | 0046931 | biological_process | pore complex assembly |
| F | 0051715 | biological_process | cytolysis in another organism |
| F | 0055085 | biological_process | transmembrane transport |
| F | 0090729 | molecular_function | toxin activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 16 |
| Details | binding site for residue HXG A 201 |
| Chain | Residue |
| A | ARG53 |
| A | TYR113 |
| A | TYR133 |
| A | TYR137 |
| A | HXG203 |
| A | HOH366 |
| A | HOH425 |
| A | HOH440 |
| A | SER54 |
| A | THR84 |
| A | GLY85 |
| A | VAL87 |
| A | SER105 |
| A | PRO107 |
| A | TYR108 |
| A | TRP112 |
| site_id | AC2 |
| Number of Residues | 9 |
| Details | binding site for residue HXG A 202 |
| Chain | Residue |
| A | TRP112 |
| A | TYR113 |
| A | TRP116 |
| A | TYR137 |
| A | TYR138 |
| A | HXG204 |
| A | HOH382 |
| A | HOH407 |
| A | HOH466 |
| site_id | AC3 |
| Number of Residues | 7 |
| Details | binding site for residue HXG A 203 |
| Chain | Residue |
| A | ARG53 |
| A | GLN130 |
| A | TYR133 |
| A | GLU134 |
| A | TYR138 |
| A | HXG201 |
| A | PC207 |
| site_id | AC4 |
| Number of Residues | 8 |
| Details | binding site for residue HXG A 204 |
| Chain | Residue |
| A | ASN111 |
| A | TRP112 |
| A | SER114 |
| A | ARG144 |
| A | HXG202 |
| A | PC207 |
| A | HOH382 |
| A | HOH460 |
| site_id | AC5 |
| Number of Residues | 17 |
| Details | binding site for residue HXG A 205 |
| Chain | Residue |
| A | VAL121 |
| A | TYR122 |
| A | LYS123 |
| A | ARG140 |
| A | LEU154 |
| A | TYR156 |
| A | HOH410 |
| A | HOH420 |
| E | ILE9 |
| E | ASP17 |
| E | VAL18 |
| E | THR21 |
| E | VAL22 |
| E | ALA25 |
| E | ILE59 |
| E | LEU72 |
| E | HOH357 |
| site_id | AC6 |
| Number of Residues | 9 |
| Details | binding site for residue PC A 206 |
| Chain | Residue |
| A | ASN78 |
| A | VAL82 |
| A | THR84 |
| A | HOH392 |
| A | HOH440 |
| F | ASN111 |
| F | TRP112 |
| F | TYR113 |
| F | SER114 |
| site_id | AC7 |
| Number of Residues | 4 |
| Details | binding site for residue PC A 207 |
| Chain | Residue |
| A | TYR138 |
| A | HIS139 |
| A | HXG203 |
| A | HXG204 |
| site_id | AC8 |
| Number of Residues | 5 |
| Details | binding site for residue SCN A 208 |
| Chain | Residue |
| A | LYS43 |
| A | MET94 |
| A | ASP96 |
| A | GLY97 |
| A | ASN98 |
| site_id | AC9 |
| Number of Residues | 10 |
| Details | binding site for residue HXG B 201 |
| Chain | Residue |
| B | TRP112 |
| B | TYR113 |
| B | TRP116 |
| B | TYR137 |
| B | TYR138 |
| B | HXG202 |
| B | HXG204 |
| B | HOH355 |
| B | HOH400 |
| B | HOH407 |
| site_id | AD1 |
| Number of Residues | 15 |
| Details | binding site for residue HXG B 202 |
| Chain | Residue |
| B | HOH383 |
| B | ARG53 |
| B | SER54 |
| B | THR84 |
| B | GLY85 |
| B | VAL87 |
| B | SER105 |
| B | PRO107 |
| B | TYR108 |
| B | TYR113 |
| B | TYR133 |
| B | TYR137 |
| B | TYR138 |
| B | HXG201 |
| B | HXG203 |
| site_id | AD2 |
| Number of Residues | 8 |
| Details | binding site for residue HXG B 203 |
| Chain | Residue |
| B | ARG53 |
| B | GLN130 |
| B | TYR133 |
| B | GLU134 |
| B | TYR138 |
| B | HXG202 |
| B | HXG204 |
| B | CL206 |
| site_id | AD3 |
| Number of Residues | 8 |
| Details | binding site for residue HXG B 204 |
| Chain | Residue |
| B | ASN111 |
| B | TRP112 |
| B | SER114 |
| B | ARG144 |
| B | HXG201 |
| B | HXG203 |
| B | HOH355 |
| E | HXG201 |
| site_id | AD4 |
| Number of Residues | 6 |
| Details | binding site for residue SCN B 205 |
| Chain | Residue |
| B | LYS43 |
| B | MET94 |
| B | ASP96 |
| B | GLY97 |
| B | ASN98 |
| B | TYR156 |
| site_id | AD5 |
| Number of Residues | 2 |
| Details | binding site for residue CL B 206 |
| Chain | Residue |
| B | HIS139 |
| B | HXG203 |
| site_id | AD6 |
| Number of Residues | 7 |
| Details | binding site for residue HXG C 201 |
| Chain | Residue |
| C | TRP112 |
| C | TYR113 |
| C | SER114 |
| C | TRP116 |
| C | TYR137 |
| C | HOH393 |
| C | HOH409 |
| site_id | AD7 |
| Number of Residues | 14 |
| Details | binding site for residue HXG C 202 |
| Chain | Residue |
| C | ARG53 |
| C | SER54 |
| C | THR84 |
| C | GLY85 |
| C | VAL87 |
| C | SER105 |
| C | PRO107 |
| C | TYR108 |
| C | TYR113 |
| C | TYR133 |
| C | TYR137 |
| C | TYR138 |
| C | PC203 |
| C | HOH363 |
| site_id | AD8 |
| Number of Residues | 6 |
| Details | binding site for residue PC C 203 |
| Chain | Residue |
| C | ARG53 |
| C | GLN130 |
| C | TYR133 |
| C | TYR138 |
| C | HXG202 |
| D | ARG53 |
| site_id | AD9 |
| Number of Residues | 8 |
| Details | binding site for residue HXG D 201 |
| Chain | Residue |
| D | TRP112 |
| D | TYR113 |
| D | SER114 |
| D | TRP116 |
| D | TYR137 |
| D | TYR138 |
| D | HOH400 |
| D | HOH405 |
| site_id | AE1 |
| Number of Residues | 14 |
| Details | binding site for residue HXG D 202 |
| Chain | Residue |
| D | SER54 |
| D | ALA83 |
| D | THR84 |
| D | GLY85 |
| D | VAL87 |
| D | SER105 |
| D | PRO107 |
| D | TYR108 |
| D | TYR113 |
| D | TYR133 |
| D | TYR137 |
| D | PC203 |
| D | HOH366 |
| D | HOH404 |
| site_id | AE2 |
| Number of Residues | 6 |
| Details | binding site for residue PC D 203 |
| Chain | Residue |
| D | ARG53 |
| D | TYR133 |
| D | GLU134 |
| D | TYR138 |
| D | HXG202 |
| D | HOH404 |
| site_id | AE3 |
| Number of Residues | 6 |
| Details | binding site for residue SCN D 204 |
| Chain | Residue |
| D | LYS43 |
| D | MET94 |
| D | ASP96 |
| D | GLY97 |
| D | ASN98 |
| D | TYR156 |
| site_id | AE4 |
| Number of Residues | 8 |
| Details | binding site for residue HXG E 201 |
| Chain | Residue |
| B | HXG204 |
| E | TRP112 |
| E | TYR113 |
| E | TRP116 |
| E | TYR137 |
| E | PC203 |
| E | HOH345 |
| E | HOH385 |
| site_id | AE5 |
| Number of Residues | 13 |
| Details | binding site for residue HXG E 202 |
| Chain | Residue |
| E | SER54 |
| E | ALA83 |
| E | THR84 |
| E | GLY85 |
| E | VAL87 |
| E | SER105 |
| E | PRO107 |
| E | TYR108 |
| E | TYR113 |
| E | TYR133 |
| E | TYR137 |
| E | PC204 |
| E | HOH354 |
| site_id | AE6 |
| Number of Residues | 8 |
| Details | binding site for residue PC E 203 |
| Chain | Residue |
| D | LYS64 |
| E | ASN111 |
| E | TRP112 |
| E | SER114 |
| E | ARG144 |
| E | HXG201 |
| E | HOH345 |
| E | HOH355 |
| site_id | AE7 |
| Number of Residues | 6 |
| Details | binding site for residue PC E 204 |
| Chain | Residue |
| E | ARG53 |
| E | GLN130 |
| E | TYR133 |
| E | GLU134 |
| E | TYR138 |
| E | HXG202 |
| site_id | AE8 |
| Number of Residues | 5 |
| Details | binding site for residue SCN E 205 |
| Chain | Residue |
| E | LYS43 |
| E | MET94 |
| E | ASP96 |
| E | GLY97 |
| E | ASN98 |
| site_id | AE9 |
| Number of Residues | 6 |
| Details | binding site for residue HXG F 201 |
| Chain | Residue |
| F | TRP112 |
| F | TYR113 |
| F | SER114 |
| F | TRP116 |
| F | TYR137 |
| F | TYR138 |
| site_id | AF1 |
| Number of Residues | 11 |
| Details | binding site for residue PC F 202 |
| Chain | Residue |
| F | SER54 |
| F | GLY85 |
| F | VAL87 |
| F | SER105 |
| F | PRO107 |
| F | TYR108 |
| F | TYR113 |
| F | TYR133 |
| F | TYR137 |
| F | PC203 |
| F | HOH359 |
| site_id | AF2 |
| Number of Residues | 6 |
| Details | binding site for residue PC F 203 |
| Chain | Residue |
| F | ARG53 |
| F | TYR113 |
| F | GLN130 |
| F | TYR133 |
| F | TYR138 |
| F | PC202 |
| site_id | AF3 |
| Number of Residues | 7 |
| Details | binding site for residue SCN F 204 |
| Chain | Residue |
| B | TRP149 |
| B | HIS150 |
| B | SER151 |
| B | ARG161 |
| F | PHE16 |
| F | ASP17 |
| F | HOH304 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 90 |
| Details | Region: {"description":"Trp-rich region, which is important for the binding to lipid membrane","evidences":[{"source":"UniProtKB","id":"P61914","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 12 |
| Details | Motif: {"description":"Cell attachment site, crucial for protein stability","evidences":[{"source":"UniProtKB","id":"P07845","evidenceCode":"ECO:0000250"},{"evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 12 |
| Details | Binding site: {"description":"in subunit A; in oligomeric forms only","evidences":[{"source":"PubMed","id":"25716479","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 18 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"28630155","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 54 |
| Details | Binding site: {"description":"in monomeric and oligomeric forms","evidences":[{"source":"PubMed","id":"25716479","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 6 |
| Details | Binding site: {"description":"in subunit B; in oligomeric forms only","evidences":[{"source":"PubMed","id":"25716479","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 6 |
| Details | Site: {"description":"Part of the hydrophobic cavity (in subunit A) that receives Val-60 from the adjacent subunit (B); essential in hemolysis, since it is critical for pore formation in cholesterol-rich membrane cells (such as red blood cells)","evidences":[{"source":"PubMed","id":"21300287","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"25716479","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"25759390","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 6 |
| Details | Site: {"description":"Protrudes from one subunit (B) and inserts into the hydrophobic cavity from the adjacent subunit (A)","evidences":[{"source":"PubMed","id":"21300287","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"25716479","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI9 |
| Number of Residues | 6 |
| Details | Site: {"description":"Part of the hydrophobic cavity (in subunit A) that receives Val-60 from the adjacent subunit (B)","evidences":[{"source":"PubMed","id":"21300287","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"25716479","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI10 |
| Number of Residues | 6 |
| Details | Site: {"description":"Part of the hydrophobic cavity (in subunit A) that receives Val-60 from the adjacent subunit (B)","evidences":[{"source":"PubMed","id":"21300287","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |






