FMODB

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

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FMODB ID: KKY13

Calculation Name: 2B87-A-Other547

Preferred Name:

Target Type:

Ligand Name:

Ligand 3-letter code:

Ligand of Interest (LOI):

Structure Source: PDB

PDB ID: 2B87

Chain ID: A

ChEMBL ID:

UniProt ID: Q70AB8

Base Structure: SolutionNMR

Registration Date: 2025-10-03

Reference: Sci Data 11, 1164 (2024).

DOI: https://doi.org/10.1038/s41597-024-03999-2

Apendix: None


IFIE MAP

IFIE Diagram


Modeling method
Optimization MOE:Amber10:EHT
Restraint OptAll
Protonation MOE:Protonate 3D
Complement MOE:Homology Modeling
Water No
Procedure Manual calculation
Remarks
ac.sh, 23 2024 Oct; Missing atoms/residues were imported from a 100% homology model, which was constructed by MOE.
FMO calculation
FMO method FMO2-MP2/6-31G(d)
Fragmentation Auto
Number of fragment 58
LigandResidueName
LigandFragmentNumber 0
LigandCharge
Software ABINIT-MP - Open Ver. 1 Rev. 23 (BINDS Ver. 1) / 20230922
Total energy (hartree)
FMO2-HF: Electronic energy -304500.066143
FMO2-HF: Nuclear repulsion 282250.859536
FMO2-HF: Total energy -22249.206607
FMO2-MP2: Total energy -22316.054303


3D Structure Molmil
Snapshot
 
Ligand structure

ligand structure
Ligand Interaction
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/AN/AN/AN/AN/AN/A


Interactive mode: IFIE and PIEDA for fragment #1(A:1:VAL)


Summations of interaction energy for fragment #1(A:1:VAL)
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.
48.75353.4432.089-1.809-4.972-0.019
Interaction energy analysis for fragmet #1(A:1:VAL)
Snapshot

IFIE Diagram

Base fragment(s) of PIEDA/IFIE
Single fragment Multi fragments
Fragment list
Charge [e] FCHARGE : 1 / q_Mulliken : 0.833 / q_NPA : 0.907
Distance from base fragment(s) [Å]
Dist
Interaction energy by IFIE and PIEDA
[kcal/mol]
| Total | > | ES | > | EX | >
| CT+mix | > | DI(MP2) | >
Fragment charge [e]
FCHARGE q_Mulliken
q_NPA q(I=>J)
Residue
Res #    RES   
Sort
Graph Options
X Axis Label
Y Axis Max Y Axis Min
Display   
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].
3A3ASN0-0.036-0.0252.8427.0939.7000.726-1.063-2.270-0.008
4A4LYS10.7480.8642.52444.44846.1001.334-0.754-2.233-0.011
5A5PHE00.1220.0533.5245.7976.0700.0300.018-0.3220.000
7A7LYS10.9380.9614.42537.00737.165-0.001-0.010-0.1470.000
6A6ASN00.0360.0295.7535.5875.5870.0000.0000.0000.000
8A8GLU-1-0.796-0.8846.716-35.546-35.5460.0000.0000.0000.000
9A9LEU00.0300.0338.9962.5242.5240.0000.0000.0000.000
10A10GLY00.0150.01410.0562.1182.1180.0000.0000.0000.000
11A11TRP0-0.047-0.02410.5141.4631.4630.0000.0000.0000.000
12A12ALA00.0520.03212.3501.4281.4280.0000.0000.0000.000
13A13THR0-0.016-0.02814.2291.7291.7290.0000.0000.0000.000
14A14TRP0-0.011-0.00115.2221.1401.1400.0000.0000.0000.000
15A15GLU-1-0.824-0.94014.309-18.734-18.7340.0000.0000.0000.000
16A16ILE0-0.038-0.01717.8930.9460.9460.0000.0000.0000.000
17A17PHE0-0.040-0.02819.7190.8310.8310.0000.0000.0000.000
18A18ASN0-0.070-0.03420.0980.6780.6780.0000.0000.0000.000
19A19LEU0-0.062-0.00821.8600.2430.2430.0000.0000.0000.000
20A20PRO0-0.035-0.02424.1600.3050.3050.0000.0000.0000.000
21A21ASN0-0.013-0.01227.7580.6860.6860.0000.0000.0000.000
22A22LEU0-0.0160.02124.0940.1870.1870.0000.0000.0000.000
23A23ASN00.0360.01728.313-0.075-0.0750.0000.0000.0000.000
24A24GLY00.0500.01327.784-0.322-0.3220.0000.0000.0000.000
25A25VAL0-0.025-0.01327.342-0.292-0.2920.0000.0000.0000.000
26A26GLN00.0320.01026.774-0.374-0.3740.0000.0000.0000.000
27A27VAL00.0300.02422.480-0.467-0.4670.0000.0000.0000.000
28A28LYS10.8520.91322.61011.00411.0040.0000.0000.0000.000
29A29ALA00.0430.02623.283-0.385-0.3850.0000.0000.0000.000
30A30PHE00.0470.02220.530-0.322-0.3220.0000.0000.0000.000
31A31ILE00.0170.00618.773-0.796-0.7960.0000.0000.0000.000
32A32ASP-1-0.900-0.95819.178-12.843-12.8430.0000.0000.0000.000
33A33SER00.001-0.01620.556-0.152-0.1520.0000.0000.0000.000
34A34LEU0-0.052-0.00414.440-0.767-0.7670.0000.0000.0000.000
35A35ARG10.8550.92415.43014.54114.5410.0000.0000.0000.000
36A36ASP-1-0.967-0.95717.268-14.347-14.3470.0000.0000.0000.000
37A37ASP-1-0.773-0.89815.642-19.513-19.5130.0000.0000.0000.000
38A38PRO0-0.016-0.01711.460-0.734-0.7340.0000.0000.0000.000
39A39SER0-0.051-0.02011.893-2.533-2.5330.0000.0000.0000.000
40A40GLN0-0.051-0.00912.900-0.274-0.2740.0000.0000.0000.000
41A41SER00.019-0.00511.5920.6890.6890.0000.0000.0000.000
42A42ALA00.0210.00012.8021.0741.0740.0000.0000.0000.000
43A43ASN0-0.008-0.00814.7711.6671.6670.0000.0000.0000.000
44A44LEU00.0110.01517.1551.0361.0360.0000.0000.0000.000
45A45LEU0-0.011-0.00615.1260.8230.8230.0000.0000.0000.000
46A46ALA0-0.014-0.00418.5040.6520.6520.0000.0000.0000.000
47A47GLU-1-0.874-0.92820.572-11.866-11.8660.0000.0000.0000.000
48A48ALA00.0240.02321.1300.6120.6120.0000.0000.0000.000
49A49LYS10.8780.92217.53517.44017.4400.0000.0000.0000.000
50A50LYS10.8540.92623.48812.71212.7120.0000.0000.0000.000
51A51LEU0-0.009-0.00226.2040.4950.4950.0000.0000.0000.000
52A52ASN00.0290.01125.7990.4660.4660.0000.0000.0000.000
53A53ASP-1-0.869-0.95127.559-10.176-10.1760.0000.0000.0000.000
54A54ALA0-0.0120.00229.3370.3850.3850.0000.0000.0000.000
55A55GLN0-0.054-0.03030.1010.0910.0910.0000.0000.0000.000
56A56ALA0-0.0080.02030.4580.1700.1700.0000.0000.0000.000
57A57PRO0-0.068-0.04032.5850.1710.1710.0000.0000.0000.000
58A58LYS0-0.122-0.04931.7661.0331.0330.0000.0000.0000.000