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: GRQJ1

Calculation Name: 2V3B-B-Xray547

Preferred Name:

Target Type:

Ligand Name: flavin-adenine dinucleotide | fe (iii) ion

Ligand 3-letter code: FAD | FE

Ligand of Interest (LOI):

Structure Source: PDB

PDB ID: 2V3B

Chain ID: B

ChEMBL ID:

UniProt ID: Q9HTK8

Base Structure: X-ray

Registration Date: 2025-10-04

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 53
LigandResidueName
LigandFragmentNumber 0
LigandCharge
Software ABINIT-MP - Open Ver. 1 Rev. 23 (BINDS Ver. 1) / 20230922
Total energy (hartree)
FMO2-HF: Electronic energy -278918.404556
FMO2-HF: Nuclear repulsion 256701.272547
FMO2-HF: Total energy -22217.132008
FMO2-MP2: Total energy -22277.609918


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:MET)


Summations of interaction energy for fragment #1(A:1:MET)
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.
-256.008-248.21911.921-7.378-12.333-0.07
Interaction energy analysis for fragmet #1(A:1:MET)
Snapshot

IFIE Diagram

Base fragment(s) of PIEDA/IFIE
Single fragment Multi fragments
Fragment list
Charge [e] FCHARGE : 1 / q_Mulliken : 0.743 / q_NPA : 0.868
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].
3A3LYS10.9270.9673.82836.63038.040-0.021-0.508-0.880-0.001
14A14ASP-1-0.826-0.9393.812-49.690-49.4000.001-0.120-0.171-0.001
15A15GLU-1-0.749-0.8492.212-77.459-76.0587.966-4.363-5.005-0.037
16A16ALA0-0.078-0.0402.498-2.1080.7412.456-1.623-3.682-0.017
17A17LEU0-0.033-0.0213.1845.6785.4860.0850.475-0.369-0.001
27A27GLY0-0.036-0.0192.9940.5070.8341.238-0.745-0.819-0.002
28A28THR0-0.054-0.0333.081-5.385-4.1260.195-0.444-1.010-0.011
29A29ARG10.8740.9414.08035.01235.4570.001-0.050-0.3970.000
4A4TRP00.008-0.0085.7193.1463.1460.0000.0000.0000.000
5A5GLN0-0.053-0.0329.5690.5840.5840.0000.0000.0000.000
6A6CYS0-0.0260.01812.9710.9910.9910.0000.0000.0000.000
7A7VAL00.028-0.00516.2280.6420.6420.0000.0000.0000.000
8A8VAL0-0.016-0.01618.8480.7790.7790.0000.0000.0000.000
9A9CYS0-0.069-0.03019.2940.4040.4040.0000.0000.0000.000
10A10GLY00.0190.02117.0830.2430.2430.0000.0000.0000.000
11A11PHE00.0480.01613.085-1.146-1.1460.0000.0000.0000.000
12A12ILE0-0.045-0.0259.076-0.635-0.6350.0000.0000.0000.000
13A13TYR00.0210.0106.2861.3201.3200.0000.0000.0000.000
18A18GLY0-0.0030.0106.6032.4982.4980.0000.0000.0000.000
19A19LEU0-0.004-0.0128.5130.6140.6140.0000.0000.0000.000
20A20PRO0-0.009-0.00511.4811.3251.3250.0000.0000.0000.000
21A21GLU-1-0.972-0.98813.762-14.677-14.6770.0000.0000.0000.000
22A22GLU-1-0.905-0.92215.049-16.706-16.7060.0000.0000.0000.000
23A23GLY0-0.032-0.00815.4770.8620.8620.0000.0000.0000.000
24A24ILE0-0.030-0.0299.496-0.112-0.1120.0000.0000.0000.000
25A25PRO00.010-0.0058.719-0.582-0.5820.0000.0000.0000.000
26A26ALA00.0520.0446.799-1.929-1.9290.0000.0000.0000.000
30A30TRP00.0650.0375.8824.0184.0180.0000.0000.0000.000
31A31GLU-1-0.825-0.8997.993-32.729-32.7290.0000.0000.0000.000
32A32ASP-1-0.896-0.9448.267-26.756-26.7560.0000.0000.0000.000
33A33ILE0-0.0210.0139.0391.2861.2860.0000.0000.0000.000
34A34PRO00.0080.00812.2810.4860.4860.0000.0000.0000.000
35A35ALA0-0.004-0.01916.087-0.267-0.2670.0000.0000.0000.000
36A36ASP-1-0.945-0.97017.723-14.728-14.7280.0000.0000.0000.000
37A37TRP0-0.057-0.02613.981-0.145-0.1450.0000.0000.0000.000
38A38VAL0-0.016-0.02117.693-0.099-0.0990.0000.0000.0000.000
39A39CYS0-0.061-0.02316.836-0.619-0.6190.0000.0000.0000.000
40A40PRO00.0200.01116.1680.9880.9880.0000.0000.0000.000
41A41ASP-1-0.859-0.93818.624-15.025-15.0250.0000.0000.0000.000
42A42CYS0-0.110-0.05320.6040.3960.3960.0000.0000.0000.000
43A43GLY00.0100.01221.5560.4710.4710.0000.0000.0000.000
44A44VAL0-0.014-0.00119.1740.2170.2170.0000.0000.0000.000
45A45GLY00.0660.02919.181-0.618-0.6180.0000.0000.0000.000
46A46LYS10.8180.88812.12922.09722.0970.0000.0000.0000.000
47A47ILE0-0.026-0.00615.413-0.838-0.8380.0000.0000.0000.000
48A48ASP-1-0.891-0.93717.891-14.582-14.5820.0000.0000.0000.000
49A49PHE0-0.020-0.03712.628-0.139-0.1390.0000.0000.0000.000
50A50GLU-1-0.949-0.95713.443-19.123-19.1230.0000.0000.0000.000
51A51MET0-0.075-0.0347.693-2.097-2.0970.0000.0000.0000.000
52A52ILE0-0.039-0.0279.6611.3501.3500.0000.0000.0000.000
53A53GLU-2-1.797-1.8856.220-80.358-80.3580.0000.0000.0000.000