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: XQYKY
Calculation Name: 1L2Y-A-MD4-62100ps
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 | -55302.458645 |
|---|---|
| FMO2-HF: Nuclear repulsion | 47863.414446 |
| FMO2-HF: Total energy | -7439.044199 |
| FMO2-MP2: Total energy | -7461.399864 |
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. |
| 10.859 | 11.392 | 15.436 | -6.269 | -9.7 | 0.027 |
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 | 0.105 | 0.088 | 2.371 | 2.220 | 5.368 | 2.260 | -2.115 | -3.293 | 0.009 | |
| 4 | 4 | ILE | 0 | -0.017 | -0.040 | 1.913 | -7.496 | -10.897 | 13.137 | -3.835 | -5.900 | 0.016 | |
| 5 | 5 | GLN | 0 | -0.039 | -0.012 | 3.668 | -1.973 | -1.350 | 0.040 | -0.310 | -0.353 | 0.002 | |
| 6 | 6 | TRP | 0 | 0.009 | 0.009 | 5.339 | 4.145 | 4.308 | -0.001 | -0.009 | -0.154 | 0.000 | |
| 7 | 7 | LEU | 0 | -0.011 | -0.015 | 5.917 | 3.091 | 3.091 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 8 | 8 | LYS | 1 | 0.883 | 0.944 | 6.086 | 37.953 | 37.953 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 9 | 9 | ASP | -1 | -0.813 | -0.893 | 9.648 | -28.864 | -28.864 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 10 | 10 | GLY | 0 | 0.020 | 0.005 | 11.131 | 1.703 | 1.703 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 11 | 11 | GLY | 0 | -0.018 | -0.006 | 10.788 | 1.186 | 1.186 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 12 | 12 | PRO | 0 | 0.002 | -0.005 | 11.723 | 0.174 | 0.174 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 13 | 13 | SER | 0 | -0.053 | -0.026 | 14.951 | 0.875 | 0.875 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 14 | 14 | SER | 0 | -0.035 | -0.013 | 12.439 | 0.798 | 0.798 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 15 | 15 | GLY | 0 | 0.009 | 0.010 | 14.765 | -0.202 | -0.202 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 16 | 16 | ARG | 1 | 0.849 | 0.920 | 9.461 | 27.348 | 27.348 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 17 | 17 | PRO | 0 | 0.053 | 0.030 | 13.811 | -0.586 | -0.586 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 18 | 18 | PRO | 0 | 0.004 | -0.017 | 9.243 | -1.096 | -1.096 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 19 | 19 | PRO | 0 | -0.094 | -0.036 | 6.316 | 0.441 | 0.441 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 20 | 20 | SER | -1 | -0.910 | -0.936 | 8.282 | -28.858 | -28.858 | 0.000 | 0.000 | 0.000 | 0.000 |