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: 7K3QK

Calculation Name: 1I6P-A-Xray547

Preferred Name:

Target Type:

Ligand Name:

Ligand 3-letter code:

Ligand of Interest (LOI):

Structure Source: PDB

PDB ID: 1I6P

Chain ID: A

ChEMBL ID:

UniProt ID: P61517

Base Structure: X-ray

Registration Date: 2025-10-05

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 214
LigandResidueName
LigandFragmentNumber 0
LigandCharge
Software ABINIT-MP - Open Ver. 1 Rev. 23 (BINDS Ver. 1) / 20230922
Total energy (hartree)
FMO2-HF: Electronic energy -2488687.534927
FMO2-HF: Nuclear repulsion 2402780.840988
FMO2-HF: Total energy -85906.693939
FMO2-MP2: Total energy -86155.79004


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:2:LYS)


Summations of interaction energy for fragment #1(A:2:LYS)
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.
-106.846-101.7360.891-2.034-3.967-0.014
Interaction energy analysis for fragmet #1(A:2:LYS)
Snapshot

IFIE Diagram

Base fragment(s) of PIEDA/IFIE
Single fragment Multi fragments
Fragment list
Charge [e] FCHARGE : 2 / q_Mulliken : 1.802 / q_NPA : 1.889
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].
3A4ILE00.0780.0283.751-4.522-2.629-0.015-0.925-0.952-0.003
5A6THR0-0.103-0.0772.433-1.865-0.0790.800-0.761-1.825-0.008
6A7LEU0-0.046-0.0233.064-1.578-0.6180.106-0.203-0.863-0.002
7A8ILE00.0220.0155.3755.2825.317-0.001-0.001-0.0330.000
9A10ASN0-0.052-0.0433.849-13.711-13.2750.001-0.144-0.294-0.001
4A5ASP-1-0.841-0.9066.474-51.655-51.6550.0000.0000.0000.000
8A9SER00.0020.0078.1614.9994.9990.0000.0000.0000.000
10A11ASN00.0380.0217.1724.4994.4990.0000.0000.0000.000
11A12ALA0-0.026-0.0109.3914.2494.2490.0000.0000.0000.000
12A13LEU00.012-0.0079.9123.6393.6390.0000.0000.0000.000
13A14TRP00.0230.0179.1531.6751.6750.0000.0000.0000.000
14A15SER0-0.023-0.00911.1793.1023.1020.0000.0000.0000.000
15A16LYS10.8710.93514.31437.53537.5350.0000.0000.0000.000
16A17MET00.0060.00510.1271.1141.1140.0000.0000.0000.000
17A18LEU00.0680.03614.0831.5711.5710.0000.0000.0000.000
18A19VAL0-0.046-0.02016.5041.5851.5850.0000.0000.0000.000
19A20GLU-1-0.995-1.00019.048-25.277-25.2770.0000.0000.0000.000
20A21GLU-1-1.029-1.00014.367-37.521-37.5210.0000.0000.0000.000
21A22ASP-1-0.876-0.96517.644-27.726-27.7260.0000.0000.0000.000
22A23PRO0-0.026-0.00619.234-0.511-0.5110.0000.0000.0000.000
23A24GLY00.0000.00321.5890.6610.6610.0000.0000.0000.000
24A25PHE0-0.0030.01114.643-0.336-0.3360.0000.0000.0000.000
25A26PHE0-0.022-0.02515.896-0.296-0.2960.0000.0000.0000.000
26A27GLU-1-0.894-0.93421.086-21.309-21.3090.0000.0000.0000.000
27A28LYS10.8890.93922.63322.56522.5650.0000.0000.0000.000
28A29LEU0-0.026-0.00518.5590.2860.2860.0000.0000.0000.000
29A30ALA0-0.015-0.00223.2340.4540.4540.0000.0000.0000.000
30A31GLN0-0.073-0.03325.8831.5241.5240.0000.0000.0000.000
31A32ALA00.0180.01327.389-0.518-0.5180.0000.0000.0000.000
32A33GLN0-0.020-0.02327.0170.7350.7350.0000.0000.0000.000
33A34LYS10.8650.93727.33817.15917.1590.0000.0000.0000.000
34A35PRO0-0.0010.00824.9180.1960.1960.0000.0000.0000.000
35A36ARG10.8560.90326.89419.73519.7350.0000.0000.0000.000
36A37PHE0-0.033-0.01524.9350.7150.7150.0000.0000.0000.000
37A38LEU0-0.0070.00524.687-0.495-0.4950.0000.0000.0000.000
38A39TRP00.0340.00720.1430.5190.5190.0000.0000.0000.000
39A40ILE00.009-0.00222.744-0.616-0.6160.0000.0000.0000.000
40A41GLY00.0390.02520.1500.4110.4110.0000.0000.0000.000
41A42CYS0-0.076-0.00419.202-0.008-0.0080.0000.0000.0000.000
42A43SER00.024-0.00517.354-0.961-0.9610.0000.0000.0000.000
43A44ASP-1-0.792-0.90815.545-34.723-34.7230.0000.0000.0000.000
44A45SER0-0.087-0.05712.816-1.606-1.6060.0000.0000.0000.000
45A46ARG10.9310.98212.48040.48440.4840.0000.0000.0000.000
46A47VAL00.0290.02212.288-2.556-2.5560.0000.0000.0000.000
47A48PRO0-0.029-0.00810.6281.7611.7610.0000.0000.0000.000
48A49ALA00.0400.02913.5931.1161.1160.0000.0000.0000.000
49A50GLU-1-0.797-0.90214.720-34.157-34.1570.0000.0000.0000.000
50A51ARG10.9050.9529.91443.42343.4230.0000.0000.0000.000
51A52LEU0-0.028-0.01515.1300.6710.6710.0000.0000.0000.000
52A53THR0-0.064-0.05818.0671.4531.4530.0000.0000.0000.000
53A54GLY0-0.0140.00318.7861.0951.0950.0000.0000.0000.000
54A55LEU0-0.071-0.02019.8100.7460.7460.0000.0000.0000.000
55A56GLU-1-0.861-0.93218.668-30.350-30.3500.0000.0000.0000.000
56A57PRO0-0.059-0.03316.6930.2670.2670.0000.0000.0000.000
57A58GLY00.0300.00818.7090.9340.9340.0000.0000.0000.000
58A59GLU-1-0.881-0.93521.869-22.773-22.7730.0000.0000.0000.000
59A60LEU0-0.058-0.03418.8721.2371.2370.0000.0000.0000.000
60A61PHE00.0400.01921.935-0.761-0.7610.0000.0000.0000.000
61A62VAL00.005-0.00818.3010.0670.0670.0000.0000.0000.000
62A63HIS00.0290.02021.5840.1790.1790.0000.0000.0000.000
63A64ARG10.9090.94515.93134.02034.0200.0000.0000.0000.000
64A65ASN0-0.0090.00120.640-0.122-0.1220.0000.0000.0000.000
65A66VAL00.0600.02220.705-0.640-0.6400.0000.0000.0000.000
66A67ALA00.038-0.01122.2501.0691.0690.0000.0000.0000.000
67A68ASN0-0.041-0.02122.8450.2110.2110.0000.0000.0000.000
68A69LEU0-0.0150.00824.5280.8800.8800.0000.0000.0000.000
69A70VAL00.0300.00127.878-0.442-0.4420.0000.0000.0000.000
70A71ILE00.0050.01030.1740.7000.7000.0000.0000.0000.000
71A72HIS0-0.003-0.01332.932-0.060-0.0600.0000.0000.0000.000
72A73THR0-0.015-0.01035.4340.2020.2020.0000.0000.0000.000
73A74ASP-1-0.796-0.89028.803-21.547-21.5470.0000.0000.0000.000
74A75LEU00.0380.01331.955-0.090-0.0900.0000.0000.0000.000
75A76ASN0-0.0270.00824.702-0.139-0.1390.0000.0000.0000.000
76A77CYS0-0.0050.00327.4040.1100.1100.0000.0000.0000.000
77A78LEU00.002-0.01028.6450.1930.1930.0000.0000.0000.000
78A79SER0-0.003-0.01530.0570.5580.5580.0000.0000.0000.000
79A80VAL0-0.038-0.01025.1790.1070.1070.0000.0000.0000.000
80A81VAL00.019-0.00128.4340.1380.1380.0000.0000.0000.000
81A82GLN0-0.064-0.04730.8050.0130.0130.0000.0000.0000.000
82A83TYR00.0440.02228.6540.1940.1940.0000.0000.0000.000
83A84ALA00.0110.00028.5980.1390.1390.0000.0000.0000.000
84A85VAL0-0.009-0.00730.4400.2890.2890.0000.0000.0000.000
85A86ASP-1-0.820-0.89133.944-15.911-15.9110.0000.0000.0000.000
86A87VAL0-0.032-0.00132.9610.3650.3650.0000.0000.0000.000
87A88LEU0-0.053-0.03327.6050.0440.0440.0000.0000.0000.000
88A89GLU-1-0.956-0.96031.774-16.410-16.4100.0000.0000.0000.000
89A90VAL0-0.029-0.00728.3640.0960.0960.0000.0000.0000.000
90A91GLU-1-0.803-0.88231.484-17.242-17.2420.0000.0000.0000.000
91A92HIS0-0.0130.00929.4340.2350.2350.0000.0000.0000.000
92A93ILE00.0180.00828.221-0.564-0.5640.0000.0000.0000.000
93A94ILE0-0.020-0.00924.8160.6260.6260.0000.0000.0000.000
94A95ILE0-0.0110.00725.414-0.797-0.7970.0000.0000.0000.000
95A96CYS0-0.046-0.01722.0280.4570.4570.0000.0000.0000.000
96A97GLY00.0280.02222.346-0.945-0.9450.0000.0000.0000.000
97A98HIS0-0.073-0.06018.388-0.776-0.7760.0000.0000.0000.000
98A99TYR0-0.015-0.04021.6470.5210.5210.0000.0000.0000.000
99A100GLY00.0470.03321.288-1.160-1.1600.0000.0000.0000.000
100A101CYS0-0.091-0.01720.915-1.250-1.2500.0000.0000.0000.000
101A102GLY00.0840.04420.5361.0401.0400.0000.0000.0000.000
102A103GLY00.001-0.00921.6610.8900.8900.0000.0000.0000.000
103A104VAL00.016-0.01723.9641.0381.0380.0000.0000.0000.000
104A105GLN0-0.045-0.02124.3040.3040.3040.0000.0000.0000.000
105A106ALA00.0100.00324.4650.8350.8350.0000.0000.0000.000
106A107ALA00.0110.01026.5170.7370.7370.0000.0000.0000.000
107A108VAL0-0.031-0.00629.5240.9130.9130.0000.0000.0000.000
108A109GLU-1-0.897-0.95627.013-22.334-22.3340.0000.0000.0000.000
109A110ASN0-0.088-0.03530.0150.3080.3080.0000.0000.0000.000
110A111PRO00.0370.03126.0840.4450.4450.0000.0000.0000.000
111A112GLU-1-0.931-0.96628.408-19.339-19.3390.0000.0000.0000.000
112A113LEU0-0.031-0.02422.924-0.828-0.8280.0000.0000.0000.000
113A114GLY00.0220.02225.050-0.684-0.6840.0000.0000.0000.000
114A115LEU0-0.005-0.01226.2330.3330.3330.0000.0000.0000.000
115A116ILE00.0390.01923.3620.5330.5330.0000.0000.0000.000
116A117ASN00.0520.01426.221-0.142-0.1420.0000.0000.0000.000
117A118ASN0-0.027-0.02729.1880.9450.9450.0000.0000.0000.000
118A119TRP0-0.045-0.02426.0130.6160.6160.0000.0000.0000.000
119A120LEU0-0.013-0.01725.3990.1510.1510.0000.0000.0000.000
120A121LEU00.0160.01629.4680.3360.3360.0000.0000.0000.000
121A122HIS00.0700.03831.6910.5010.5010.0000.0000.0000.000
122A123ILE0-0.027-0.00927.5000.1990.1990.0000.0000.0000.000
123A124ARG10.8640.93731.94418.73118.7310.0000.0000.0000.000
124A125ASP-1-0.860-0.92634.608-16.482-16.4820.0000.0000.0000.000
125A126ILE0-0.062-0.03032.4040.4910.4910.0000.0000.0000.000
126A127TRP0-0.007-0.01734.1710.3060.3060.0000.0000.0000.000
127A128PHE00.006-0.00236.0110.3510.3510.0000.0000.0000.000
128A129LYS10.8400.91938.77916.24616.2460.0000.0000.0000.000
129A130HIS10.8140.88936.50016.70816.7080.0000.0000.0000.000
130A131SER00.0390.01839.582-0.098-0.0980.0000.0000.0000.000
131A132SER0-0.009-0.01940.835-0.124-0.1240.0000.0000.0000.000
132A133LEU0-0.0180.00838.0710.1120.1120.0000.0000.0000.000
133A134LEU00.0220.00534.951-0.158-0.1580.0000.0000.0000.000
134A135GLY0-0.037-0.02338.620-0.140-0.1400.0000.0000.0000.000
135A136GLU-1-0.874-0.92641.596-13.921-13.9210.0000.0000.0000.000
136A137MET00.0020.03237.265-0.187-0.1870.0000.0000.0000.000
137A138PRO00.0200.00336.9140.0190.0190.0000.0000.0000.000
138A139GLN00.021-0.01833.621-0.412-0.4120.0000.0000.0000.000
139A140GLU-1-0.908-0.94931.406-19.727-19.7270.0000.0000.0000.000
140A141ARG10.9640.98931.44617.12017.1200.0000.0000.0000.000
141A142ARG10.8610.95532.58616.14816.1480.0000.0000.0000.000
142A143LEU00.0340.02226.6860.1240.1240.0000.0000.0000.000
143A144ASP-1-0.817-0.92326.464-23.396-23.3960.0000.0000.0000.000
144A145THR0-0.021-0.03128.7200.0010.0010.0000.0000.0000.000
145A146LEU0-0.0130.01030.8260.3600.3600.0000.0000.0000.000
146A147CYS0-0.076-0.03624.627-0.101-0.1010.0000.0000.0000.000
147A148GLU-1-0.750-0.84428.177-19.819-19.8190.0000.0000.0000.000
148A149LEU00.002-0.01030.1210.2910.2910.0000.0000.0000.000
149A150ASN0-0.015-0.00227.0530.8950.8950.0000.0000.0000.000
150A151VAL0-0.0060.01926.7440.2550.2550.0000.0000.0000.000
151A152MET0-0.041-0.00529.6030.4990.4990.0000.0000.0000.000
152A153GLU-1-0.726-0.81133.324-15.940-15.9400.0000.0000.0000.000
153A154GLN00.0190.01628.9580.5850.5850.0000.0000.0000.000
154A155VAL00.0200.01431.0290.1220.1220.0000.0000.0000.000
155A156TYR0-0.052-0.05033.1490.4340.4340.0000.0000.0000.000
156A157ASN0-0.007-0.02233.4040.9410.9410.0000.0000.0000.000
157A158LEU00.0270.02230.6390.3120.3120.0000.0000.0000.000
158A159GLY00.0290.01634.3090.2970.2970.0000.0000.0000.000
159A160HIS10.7920.89437.35015.54315.5430.0000.0000.0000.000
160A161SER00.0190.01535.9900.3110.3110.0000.0000.0000.000
161A162THR00.020-0.01438.1240.0980.0980.0000.0000.0000.000
162A163ILE00.0390.04034.3600.3850.3850.0000.0000.0000.000
163A164MET00.0490.03935.2680.1440.1440.0000.0000.0000.000
164A165GLN0-0.040-0.02938.1350.7500.7500.0000.0000.0000.000
165A166SER0-0.044-0.02340.5240.4520.4520.0000.0000.0000.000
166A167ALA00.0500.02338.6260.3260.3260.0000.0000.0000.000
167A168TRP0-0.005-0.02237.3640.4020.4020.0000.0000.0000.000
168A169LYS10.8880.95442.28713.02513.0250.0000.0000.0000.000
169A170ARG10.8020.88538.79015.72515.7250.0000.0000.0000.000
170A171GLY00.0110.01244.5640.0400.0400.0000.0000.0000.000
171A172GLN00.0110.01436.5630.3300.3300.0000.0000.0000.000
172A173LYS10.9150.94938.44714.27714.2770.0000.0000.0000.000
173A174VAL00.0580.04033.660-0.329-0.3290.0000.0000.0000.000
174A175THR0-0.059-0.02933.6380.5850.5850.0000.0000.0000.000
175A176ILE0-0.0030.01131.541-0.611-0.6110.0000.0000.0000.000
176A177HIS10.8510.90229.12519.54119.5410.0000.0000.0000.000
177A178GLY00.0640.02029.088-0.429-0.4290.0000.0000.0000.000
178A179TRP0-0.059-0.03824.2740.0430.0430.0000.0000.0000.000
179A180ALA00.0360.00924.261-0.289-0.2890.0000.0000.0000.000
180A181TYR00.0530.02616.784-0.406-0.4060.0000.0000.0000.000
181A182GLY00.0270.02021.365-0.014-0.0140.0000.0000.0000.000
182A183ILE0-0.013-0.02015.188-1.007-1.0070.0000.0000.0000.000
183A184HIS0-0.030-0.01117.886-1.785-1.7850.0000.0000.0000.000
184A185ASP-1-0.829-0.92720.654-25.351-25.3510.0000.0000.0000.000
185A186GLY0-0.0290.00418.222-0.523-0.5230.0000.0000.0000.000
186A187LEU0-0.048-0.01718.8740.0760.0760.0000.0000.0000.000
187A188LEU0-0.019-0.01521.5290.1090.1090.0000.0000.0000.000
188A189ARG10.9180.95923.79321.13021.1300.0000.0000.0000.000
189A190ASP-1-0.800-0.91027.255-19.404-19.4040.0000.0000.0000.000
190A191LEU0-0.019-0.01529.0070.2950.2950.0000.0000.0000.000
191A192ASP-1-0.826-0.89932.063-15.716-15.7160.0000.0000.0000.000
192A193VAL0-0.029-0.01832.9100.5210.5210.0000.0000.0000.000
193A194THR0-0.0130.00333.500-0.239-0.2390.0000.0000.0000.000
194A195ALA0-0.012-0.00135.1040.5500.5500.0000.0000.0000.000
195A196THR00.0250.00236.499-0.280-0.2800.0000.0000.0000.000
196A197ASN00.0320.03338.8760.0930.0930.0000.0000.0000.000
197A198ARG10.9030.93841.23413.73913.7390.0000.0000.0000.000
198A199GLU-1-0.943-0.95443.277-12.971-12.9710.0000.0000.0000.000
199A200THR00.027-0.01240.506-0.191-0.1910.0000.0000.0000.000
200A201LEU0-0.0080.02037.524-0.210-0.2100.0000.0000.0000.000
201A202GLU-1-0.763-0.84440.300-14.539-14.5390.0000.0000.0000.000
202A203GLN0-0.0100.00243.178-0.171-0.1710.0000.0000.0000.000
203A204ARG10.8530.91538.38515.42215.4220.0000.0000.0000.000
204A205TYR0-0.022-0.02737.302-0.059-0.0590.0000.0000.0000.000
205A206ARG10.8340.88639.16113.72613.7260.0000.0000.0000.000
206A207HIS0-0.051-0.01238.8850.3650.3650.0000.0000.0000.000
207A208GLY00.0580.02837.117-0.067-0.0670.0000.0000.0000.000
208A209ILE0-0.014-0.02937.617-0.130-0.1300.0000.0000.0000.000
209A210SER0-0.045-0.01739.6200.1380.1380.0000.0000.0000.000
210A211ASN00.017-0.01137.6870.3560.3560.0000.0000.0000.000
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