FMODB: The database of quantum mechanical data based on the FMO method
Last updated: 2025-10-17
All entries: 77277
Number of unique PDB entries: 32023
FMODB ID: 3N7QL
Calculation Name: 1L2Y-A-MD56-45800ps
Preferred Name:
Target Type:
Ligand Name:
Ligand 3-letter code:
Ligand of Interest (LOI):
Structure Source: PDB
PDB ID: 2OTU
Chain ID: A
UniProt ID: A2NN81
Base Structure: MD
Registration Date: 2019-08-13
Reference:
Apendix: None
Modeling method
| Optimization | BaseStructure_original |
|---|---|
| Restraint | BaseStructure_original |
| Protonation | BaseStructure_original |
| Complement | No |
| Water | No |
| Procedure | Manual calculation |
| Remarks |
FMO calculation
| FMO method | FMO2-MP2/6-31G(d) |
|---|---|
| Fragmentation | Auto |
| Number of fragment | 10 |
| LigandResidueName | |
| LigandFragmentNumber | 0 |
| LigandCharge | |
| Software | MIZUHO/ABINIT-MP 3.0 |
Total energy (hartree)
| FMO2-HF: Electronic energy | -22639.058927 |
|---|---|
| FMO2-HF: Nuclear repulsion | 18036.89887 |
| FMO2-HF: Total energy | -4602.160056 |
| FMO2-MP2: Total energy | -4615.587304 |
3D Structure
Ligand structure
Ligand Interaction
Ligand binding energy
| IFIE [kcal/mol] | PIEDA [kcal/mol] | Charge transfer value [e] | |||
|---|---|---|---|---|---|
| IFIE SUMIFIE SUM at MP2 level. | ESElectro static interaction energy. | EXExchange-repulsion energy. | CT+mixCharge transfer and mixing terms energy. | DI(MP2)Dispersion energy. | q(I=>J)Charge transfer value from I to J fragments. |
| N/A | N/A | N/A | N/A | N/A | N/A |
Interactive mode: IFIE and PIEDA for fragment #1(:1:GLN )
Summations of interaction energy for
fragment #1(:1:GLN )
| IFIE [kcal/mol] | PIEDA [kcal/mol] | Charge transfer value [e] | |||
|---|---|---|---|---|---|
| IFIE SUMIFIE SUM at MP2 level. | ESElectro static interaction energy. | EXExchange-repulsion energy. | CT+mixCharge transfer and mixing terms energy. | DI(MP2)Dispersion energy. | q(I=>J)Charge transfer value from I to J fragments. |
| -27.405 | -20.268 | 7.176 | -4.806 | -9.507 | -0.052 |
Interaction energy analysis for fragmet #1(:1:GLN )
| frag_NumFragment number. | ChainChain species. | Res #Residue number. | RES3-letter code of amino acid residue, ligand and solvent molecule. | FCHARGEFormal charge [e]. | q_MullikenFragment charge evaluated by Mulliken charge [e]. | q_NPAFragment charge evaluated by natural population analysis(NPA) charge [e]. | DISTDistance from Ligand [Å]. | TotalIFIE at MP2 level [kcal/mol]. | ESElectro static interaction energy by PIEDA [kcal/mol]. | EXExchange-repulsion energy by PIEDA [kcal/mol]. | CT+mixCharge transfer and mixing terms energy by PIEDA [kcal/mol]. | DI(MP2)Dispersion energy by PIEDA [kcal/mol]. | q(I=>J)Charge transfer value from I to J fragmens [e]. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 3 | GLN | 0 | 0.038 | 0.000 | 2.442 | -3.941 | -0.731 | 4.761 | -2.335 | -5.636 | -0.019 | |
| 4 | 4 | GLN | 0 | -0.018 | 0.001 | 2.508 | 8.468 | 10.078 | 0.693 | -0.381 | -1.921 | -0.003 | |
| 5 | 5 | GLN | 0 | -0.044 | -0.036 | 2.283 | -23.189 | -20.872 | 1.722 | -2.090 | -1.950 | -0.030 | |
| 6 | 6 | GLN | 0 | -0.024 | -0.003 | 6.233 | 5.891 | 5.891 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 7 | 7 | GLN | 0 | 0.072 | 0.035 | 8.124 | -0.133 | -0.133 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 8 | 8 | GLN | 0 | -0.083 | -0.035 | 10.612 | 2.129 | 2.129 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 9 | 9 | GLN | 0 | -0.012 | -0.015 | 12.958 | -0.098 | -0.098 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 10 | 10 | GLN | -1 | -0.941 | -0.949 | 14.958 | -16.532 | -16.532 | 0.000 | 0.000 | 0.000 | 0.000 |