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: XM37Z
Calculation Name: 1L2Y-A-MD4-46600ps
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 | -54483.301282 |
|---|---|
| FMO2-HF: Nuclear repulsion | 47044.298996 |
| FMO2-HF: Total energy | -7439.002286 |
| FMO2-MP2: Total energy | -7461.320675 |
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. |
| -26.861 | -25.07 | 20.383 | -9.819 | -12.358 | -0.025 |
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 | 0.079 | 0.070 | 1.988 | 0.686 | 0.555 | 8.580 | -3.544 | -4.906 | 0.014 | |
| 4 | 4 | ILE | 0 | 0.027 | 0.002 | 2.015 | -6.521 | -6.497 | 5.569 | -1.756 | -3.838 | 0.019 | |
| 5 | 5 | GLN | 0 | -0.013 | -0.027 | 1.943 | -33.138 | -31.240 | 6.234 | -4.519 | -3.614 | -0.058 | |
| 6 | 6 | TRP | 0 | 0.076 | 0.046 | 5.599 | 3.343 | 3.343 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 7 | 7 | LEU | 0 | -0.011 | -0.004 | 6.798 | 2.429 | 2.429 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 8 | 8 | LYS | 1 | 0.881 | 0.943 | 6.271 | 35.104 | 35.104 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 9 | 9 | ASP | -1 | -0.917 | -0.954 | 9.775 | -26.746 | -26.746 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 10 | 10 | GLY | 0 | -0.011 | -0.004 | 11.436 | 2.012 | 2.012 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 11 | 11 | GLY | 0 | 0.015 | -0.003 | 10.699 | 1.105 | 1.105 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 12 | 12 | PRO | 0 | -0.068 | -0.024 | 11.528 | 0.490 | 0.490 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 13 | 13 | SER | 0 | 0.011 | 0.028 | 14.701 | 0.735 | 0.735 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 14 | 14 | SER | 0 | -0.063 | -0.031 | 13.137 | 0.291 | 0.291 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 15 | 15 | GLY | 0 | 0.076 | 0.022 | 15.205 | 0.853 | 0.853 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 16 | 16 | ARG | 1 | 0.859 | 0.917 | 12.867 | 21.586 | 21.586 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 17 | 17 | PRO | 0 | 0.032 | 0.044 | 13.536 | -0.343 | -0.343 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 18 | 18 | PRO | 0 | 0.029 | 0.007 | 9.093 | -1.085 | -1.085 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 19 | 19 | PRO | 0 | -0.069 | -0.040 | 5.582 | 0.525 | 0.525 | 0.000 | 0.000 | 0.000 | 0.000 | |
| 20 | 20 | SER | -1 | -0.928 | -0.951 | 7.388 | -28.187 | -28.187 | 0.000 | 0.000 | 0.000 | 0.000 |