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: N3N1Q
Calculation Name: 1L2Y-A-MD56-6000ps
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 | -22850.646791 |
|---|---|
| FMO2-HF: Nuclear repulsion | 18248.427977 |
| FMO2-HF: Total energy | -4602.218814 |
| FMO2-MP2: Total energy | -4615.619114 |
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. |
| -37.999 | -31.344 | 2.726 | -2.91 | -6.468 | -0.016 |
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 | 0.031 | 0.010 | 2.746 | -3.132 | -0.373 | 0.940 | -1.448 | -2.250 | -0.010 | |
| 4 | 4 | GLN | 0 | 0.022 | 0.003 | 4.910 | 2.290 | 2.381 | -0.001 | -0.004 | -0.086 | 0.000 | |
| 5 | 5 | GLN | 0 | -0.007 | 0.005 | 4.090 | -2.214 | -1.879 | -0.001 | -0.039 | -0.295 | 0.000 | |
| 6 | 6 | GLN | 0 | -0.025 | -0.013 | 5.240 | -2.387 | -2.387 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 7 | 7 | GLN | 0 | 0.080 | 0.046 | 4.419 | -2.056 | -1.903 | -0.001 | -0.016 | -0.135 | 0.000 | |
| 8 | 8 | GLN | 0 | -0.065 | -0.030 | 2.585 | -12.216 | -9.094 | 1.733 | -1.344 | -3.510 | -0.007 | |
| 9 | 9 | GLN | 0 | -0.031 | -0.021 | 3.687 | 8.257 | 8.452 | 0.056 | -0.059 | -0.192 | 0.001 | |
| 10 | 10 | GLN | -1 | -0.953 | -0.963 | 7.125 | -26.541 | -26.541 | 0.000 | 0.000 | 0.000 | 0.000 |