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

tag_button

FMODB ID: 4KNLN

Calculation Name: 2P0S-A-Xray549

Preferred Name:

Target Type:

Ligand Name: acetate ion | formic acid

Ligand 3-letter code: ACT | FMT

Ligand of Interest (LOI):

Structure Source: PDB

PDB ID: 2P0S

Chain ID: A

ChEMBL ID:

UniProt ID: Q7MVU4

Base Structure: X-ray

Registration Date: 2025-10-12

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 OptH
Protonation MOE:Protonate 3D
Complement ac.sh, 23 2024 Oct
Water No
Procedure Manual calculation
Remarks
FMO calculation
FMO method FMO2-MP2/6-31G(d)
Fragmentation Auto
Number of fragment 136
LigandResidueName
LigandFragmentNumber 0
LigandCharge
Software ABINIT-MP - Open Ver. 1 Rev. 23 (BINDS Ver. 1) / 20230922
Total energy (hartree)
FMO2-HF: Electronic energy -1031362.247727
FMO2-HF: Nuclear repulsion 977913.357554
FMO2-HF: Total energy -53448.890174
FMO2-MP2: Total energy -53606.225713


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:48:ASP)


Summations of interaction energy for fragment #1(A:48:ASP)
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.
3.44.5090.022-0.52-0.6120
Interaction energy analysis for fragmet #1(A:48:ASP)
Snapshot

IFIE Diagram

Base fragment(s) of PIEDA/IFIE
Single fragment Multi fragments
Fragment list
Charge [e] FCHARGE : 0 / q_Mulliken : -0.082 / q_NPA : -0.056
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].
3A50LYS10.8160.9063.7842.4683.5770.022-0.520-0.6120.000
4A51THR00.0210.0255.9970.7600.7600.0000.0000.0000.000
5A52ILE0-0.021-0.0128.4690.4750.4750.0000.0000.0000.000
6A53ALA00.0200.01311.8760.1680.1680.0000.0000.0000.000
7A54ILE0-0.001-0.00315.2660.1490.1490.0000.0000.0000.000
8A55ALA0-0.007-0.01218.2080.0600.0600.0000.0000.0000.000
9A56ASP-1-0.777-0.87421.393-0.660-0.6600.0000.0000.0000.000
10A57ARG10.8250.89923.7080.7060.7060.0000.0000.0000.000
11A58THR0-0.026-0.02726.7850.0510.0510.0000.0000.0000.000
12A59GLY0-0.0160.00025.8150.0330.0330.0000.0000.0000.000
13A60GLU-1-0.799-0.84326.531-0.403-0.4030.0000.0000.0000.000
14A61TYR00.0610.02023.2110.0060.0060.0000.0000.0000.000
15A62GLU-1-0.785-0.88619.557-1.224-1.2240.0000.0000.0000.000
16A63GLN0-0.099-0.04220.088-0.073-0.0730.0000.0000.0000.000
17A64LEU0-0.0010.00121.038-0.003-0.0030.0000.0000.0000.000
18A65PHE0-0.030-0.01815.8010.0320.0320.0000.0000.0000.000
19A66LYS10.7770.86815.4300.8730.8730.0000.0000.0000.000
20A67GLU-1-0.913-0.93916.160-0.691-0.6910.0000.0000.0000.000
21A68ASN0-0.076-0.05712.216-0.020-0.0200.0000.0000.0000.000
22A69ASP-1-0.868-0.93410.721-0.026-0.0260.0000.0000.0000.000
23A70GLU-1-0.876-0.9188.4290.6830.6830.0000.0000.0000.000
24A71PHE0-0.078-0.0647.593-1.084-1.0840.0000.0000.0000.000
25A72ARG10.9640.9797.0655.7135.7130.0000.0000.0000.000
26A73PHE00.0260.0058.862-0.235-0.2350.0000.0000.0000.000
27A74VAL0-0.027-0.01111.8300.0350.0350.0000.0000.0000.000
28A75HIS10.8870.95014.5201.2861.2860.0000.0000.0000.000
29A76ALA0-0.039-0.01117.707-0.136-0.1360.0000.0000.0000.000
30A77GLU-1-0.856-0.93719.276-1.065-1.0650.0000.0000.0000.000
31A78LYS10.8110.90720.0641.2101.2100.0000.0000.0000.000
32A79THR00.012-0.01621.530-0.023-0.0230.0000.0000.0000.000
33A80ALA00.0620.01920.006-0.085-0.0850.0000.0000.0000.000
34A81GLU-1-0.777-0.85620.541-0.857-0.8570.0000.0000.0000.000
35A82GLU-1-0.826-0.89522.635-0.983-0.9830.0000.0000.0000.000
36A83TYR00.0810.03216.962-0.012-0.0120.0000.0000.0000.000
37A84ARG10.8570.91818.1250.7650.7650.0000.0000.0000.000
38A85LYS10.8510.92019.5070.7550.7550.0000.0000.0000.000
39A86MET0-0.087-0.02817.9640.0480.0480.0000.0000.0000.000
40A87GLY00.0520.02116.8710.0090.0090.0000.0000.0000.000
41A88ALA00.0240.00111.220-0.032-0.0320.0000.0000.0000.000
42A89ASP-1-0.915-0.95312.777-2.366-2.3660.0000.0000.0000.000
43A90LYS10.8740.94013.8481.2161.2160.0000.0000.0000.000
44A91SER0-0.022-0.02514.133-0.043-0.0430.0000.0000.0000.000
45A92GLY00.0200.02311.0530.0040.0040.0000.0000.0000.000
46A93ILE0-0.067-0.03710.007-0.654-0.6540.0000.0000.0000.000
47A94ASP-1-0.833-0.9006.574-7.419-7.4190.0000.0000.0000.000
48A95ALA0-0.009-0.0319.6220.6450.6450.0000.0000.0000.000
49A96VAL0-0.029-0.00912.615-0.131-0.1310.0000.0000.0000.000
50A97LEU00.0110.02115.9760.1160.1160.0000.0000.0000.000
51A98GLU-1-0.831-0.91117.812-0.795-0.7950.0000.0000.0000.000
52A99ILE00.0150.00221.4960.0520.0520.0000.0000.0000.000
53A100ARG10.8130.89324.4350.5940.5940.0000.0000.0000.000
54A101GLN0-0.030-0.02427.9150.0090.0090.0000.0000.0000.000
55A102ASP-1-0.770-0.89529.168-0.400-0.4000.0000.0000.0000.000
56A103LEU0-0.013-0.01625.2240.0180.0180.0000.0000.0000.000
57A104LEU0-0.078-0.04329.8960.0340.0340.0000.0000.0000.000
58A105GLU-1-0.965-0.95533.209-0.312-0.3120.0000.0000.0000.000
59A106ASP-1-0.822-0.92532.089-0.350-0.3500.0000.0000.0000.000
60A107PRO0-0.0020.00929.462-0.037-0.0370.0000.0000.0000.000
61A108ASN0-0.062-0.04127.939-0.020-0.0200.0000.0000.0000.000
62A109ALA0-0.043-0.00927.926-0.038-0.0380.0000.0000.0000.000
63A110VAL00.0140.00422.010-0.061-0.0610.0000.0000.0000.000
64A111ALA0-0.043-0.02021.9800.0520.0520.0000.0000.0000.000
65A112ILE00.0130.00815.254-0.097-0.0970.0000.0000.0000.000
66A113TYR0-0.045-0.01417.1880.1150.1150.0000.0000.0000.000
67A114GLY00.0590.01513.650-0.247-0.2470.0000.0000.0000.000
68A115TYR0-0.091-0.03012.1290.2200.2200.0000.0000.0000.000
69A116LYS10.9320.9668.8172.2702.2700.0000.0000.0000.000
70A117GLN00.0240.01813.408-0.082-0.0820.0000.0000.0000.000
71A118LEU00.0120.00710.346-0.230-0.2300.0000.0000.0000.000
72A119PRO00.006-0.0048.0180.2660.2660.0000.0000.0000.000
73A120ALA00.0350.01311.333-0.134-0.1340.0000.0000.0000.000
74A121SER00.0130.01510.037-0.143-0.1430.0000.0000.0000.000
75A122VAL00.0310.01810.242-0.034-0.0340.0000.0000.0000.000
76A123SER00.0260.01312.829-0.016-0.0160.0000.0000.0000.000
77A124ASN0-0.011-0.00716.100-0.024-0.0240.0000.0000.0000.000
78A125HIS00.0270.02313.892-0.179-0.1790.0000.0000.0000.000
79A126ILE00.0130.00514.431-0.008-0.0080.0000.0000.0000.000
80A127SER0-0.017-0.02417.8410.0410.0410.0000.0000.0000.000
81A128ARG10.9220.98319.3180.0290.0290.0000.0000.0000.000
82A129ILE00.0900.05517.0030.0160.0160.0000.0000.0000.000
83A130LEU0-0.017-0.00921.1670.0050.0050.0000.0000.0000.000
84A131SER0-0.031-0.03723.5880.0400.0400.0000.0000.0000.000
85A132ASP-1-0.906-0.93823.407-0.109-0.1090.0000.0000.0000.000
86A133TYR0-0.032-0.03925.3780.0180.0180.0000.0000.0000.000
87A134LEU0-0.021-0.01727.0130.0180.0180.0000.0000.0000.000
88A135SER0-0.046-0.03029.2240.0280.0280.0000.0000.0000.000
89A136ASP-1-0.821-0.89228.677-0.140-0.1400.0000.0000.0000.000
90A137LYS10.8000.88331.1200.3680.3680.0000.0000.0000.000
91A138LYS10.9490.98232.8600.2030.2030.0000.0000.0000.000
92A139ILE00.0170.01832.9530.0130.0130.0000.0000.0000.000
93A140ALA0-0.010-0.02035.0040.0130.0130.0000.0000.0000.000
94A141SER0-0.095-0.05136.861-0.003-0.0030.0000.0000.0000.000
95A142TYR0-0.029-0.00638.9410.0060.0060.0000.0000.0000.000
96A143ASN0-0.032-0.01942.008-0.008-0.0080.0000.0000.0000.000
97A144ILE0-0.012-0.00840.4080.0120.0120.0000.0000.0000.000
98A145PRO0-0.009-0.00241.961-0.010-0.0100.0000.0000.0000.000
99A146ASP-1-0.874-0.95239.480-0.071-0.0710.0000.0000.0000.000
100A147ILE00.0080.02136.8180.0010.0010.0000.0000.0000.000
101A148LYS10.9680.97633.9530.2080.2080.0000.0000.0000.000
102A149GLN00.0390.01733.226-0.005-0.0050.0000.0000.0000.000
103A150ILE00.0220.01833.9270.0130.0130.0000.0000.0000.000
104A151LEU0-0.032-0.00931.6260.0160.0160.0000.0000.0000.000
105A152ALA0-0.029-0.01629.4490.0050.0050.0000.0000.0000.000
106A153ASP-1-0.940-0.97229.4660.0480.0480.0000.0000.0000.000
107A154SER0-0.063-0.03931.3390.0270.0270.0000.0000.0000.000
108A155LYS10.7910.88525.7260.1140.1140.0000.0000.0000.000
109A156ILE0-0.029-0.01425.4700.0260.0260.0000.0000.0000.000
110A157GLU-1-0.877-0.93421.1810.0820.0820.0000.0000.0000.000
111A158LEU0-0.085-0.04322.0250.0610.0610.0000.0000.0000.000
112A159SER00.0230.01317.7920.0640.0640.0000.0000.0000.000
113A160VAL0-0.029-0.02118.276-0.019-0.0190.0000.0000.0000.000
114A161HIS00.0090.01217.8040.2270.2270.0000.0000.0000.000
115A162THR0-0.021-0.01215.361-0.051-0.0510.0000.0000.0000.000
116A163TYR0-0.015-0.01417.5670.0810.0810.0000.0000.0000.000
117A164LYS10.8420.93317.584-1.658-1.6580.0000.0000.0000.000
118A165TRP00.003-0.00319.496-0.063-0.0630.0000.0000.0000.000
119A166SER00.023-0.02322.3330.1040.1040.0000.0000.0000.000
120A167GLU-1-0.803-0.85724.5300.8340.8340.0000.0000.0000.000
121A168ASP-1-0.705-0.82420.4761.4801.4800.0000.0000.0000.000
122A169GLY0-0.135-0.08020.8490.1490.1490.0000.0000.0000.000
123A170THR0-0.056-0.05121.8390.0640.0640.0000.0000.0000.000
124A171ASN00.0000.00224.5440.0000.0000.0000.0000.0000.000
125A172GLU-1-0.932-0.95526.3680.8160.8160.0000.0000.0000.000
126A173ARG10.8150.88319.838-1.382-1.3820.0000.0000.0000.000
127A174THR00.0180.00525.2980.0290.0290.0000.0000.0000.000
128A175SER0-0.020-0.01727.657-0.022-0.0220.0000.0000.0000.000
129A176GLY0-0.036-0.01527.472-0.041-0.0410.0000.0000.0000.000
130A177GLU-1-0.961-0.96924.5300.9160.9160.0000.0000.0000.000
131A178LEU0-0.055-0.02628.536-0.038-0.0380.0000.0000.0000.000
132A179ALA00.0400.02331.3750.0240.0240.0000.0000.0000.000
133A180SER0-0.005-0.00433.466-0.011-0.0110.0000.0000.0000.000
134A181GLY00.0210.00435.063-0.014-0.0140.0000.0000.0000.000
135A182ILE0-0.095-0.05438.131-0.023-0.0230.0000.0000.0000.000
136A183SER-1-0.955-0.95837.5940.4050.4050.0000.0000.0000.000