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: XM31Z
Calculation Name: 1L2Y-A-MD4-36600ps
Preferred Name:
Target Type:
Ligand Name:
Ligand 3-letter code:
Ligand of Interest (LOI):
Structure Source: PDB
PDB ID: 1L2Y
Chain ID: A
Base Structure: MD
Registration Date: 2018-03-06
Reference:
Apendix: None
Modeling method
| Optimization | BaseStructure_original |
|---|---|
| Restraint | BaseStructure_original |
| Protonation | BaseStructure_original |
| Complement | BaseStructure_original |
| Water | No |
| Procedure | Auto-FMO protocol ver. 1.20171117 |
| Remarks |
FMO calculation
| FMO method | FMO2-MP2/6-31G(d) |
|---|---|
| Fragmentation | Auto |
| Number of fragment | 20 |
| LigandResidueName | |
| LigandFragmentNumber | 0 |
| LigandCharge | |
| Software | MIZUHO/ABINIT-MP 3.0 |
Total energy (hartree)
| FMO2-HF: Electronic energy | -55307.378202 |
|---|---|
| FMO2-HF: Nuclear repulsion | 47868.343797 |
| FMO2-HF: Total energy | -7439.034404 |
| FMO2-MP2: Total energy | -7461.377216 |
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:ASN)
Summations of interaction energy for
fragment #1(:1:ASN)
| 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. |
| -5.454 | -0.075000000000003 | 6.729 | -4.282 | -7.827 | 0.022 |
Interaction energy analysis for fragmet #1(:1:ASN)
| 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 | TYR | 0 | 0.061 | 0.065 | 2.459 | 4.381 | 7.497 | 2.341 | -2.035 | -3.422 | 0.006 | |
| 4 | 4 | ILE | 0 | 0.028 | -0.017 | 2.078 | -4.067 | -2.544 | 4.376 | -2.056 | -3.843 | 0.016 | |
| 5 | 5 | GLN | 0 | -0.057 | -0.037 | 3.706 | -2.975 | -2.374 | 0.013 | -0.185 | -0.429 | 0.000 | |
| 6 | 6 | TRP | 0 | 0.029 | 0.017 | 5.800 | 3.229 | 3.229 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 7 | 7 | LEU | 0 | 0.033 | 0.015 | 6.398 | 3.199 | 3.199 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 8 | 8 | LYS | 1 | 0.886 | 0.948 | 8.131 | 30.601 | 30.601 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 9 | 9 | ASP | -1 | -0.861 | -0.923 | 10.011 | -24.701 | -24.701 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 10 | 10 | GLY | 0 | -0.024 | -0.003 | 11.825 | 1.738 | 1.738 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 11 | 11 | GLY | 0 | 0.002 | 0.014 | 10.544 | 0.823 | 0.823 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 12 | 12 | PRO | 0 | -0.024 | -0.020 | 11.381 | 0.431 | 0.431 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 13 | 13 | SER | 0 | -0.013 | 0.015 | 14.207 | 0.567 | 0.567 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 14 | 14 | SER | 0 | -0.013 | -0.011 | 13.076 | 0.484 | 0.484 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 15 | 15 | GLY | 0 | 0.015 | 0.014 | 15.550 | 0.069 | 0.069 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 16 | 16 | ARG | 1 | 0.856 | 0.909 | 10.198 | 24.770 | 24.770 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 17 | 17 | PRO | 0 | 0.034 | 0.021 | 12.768 | -0.248 | -0.248 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 18 | 18 | PRO | 0 | 0.008 | -0.006 | 8.894 | -1.125 | -1.125 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 19 | 19 | PRO | 0 | -0.083 | -0.018 | 5.662 | 0.339 | 0.339 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 20 | 20 | SER | -1 | -0.945 | -0.979 | 4.945 | -42.969 | -42.830 | -0.001 | -0.006 | -0.133 | 0.000 |