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: YRR72

Calculation Name: 2PR8-A-Xray547

Preferred Name:

Target Type:

Ligand Name: 4-(2-hydroxyethyl)-1-piperazine ethanesulfonic acid

Ligand 3-letter code: EPE

Ligand of Interest (LOI):

Structure Source: PDB

PDB ID: 2PR8

Chain ID: A

ChEMBL ID:

UniProt ID: Q8GLI5

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 173
LigandResidueName
LigandFragmentNumber 0
LigandCharge
Software ABINIT-MP - Open Ver. 1 Rev. 23 (BINDS Ver. 1) / 20230922
Total energy (hartree)
FMO2-HF: Electronic energy -1727058.665844
FMO2-HF: Nuclear repulsion 1659618.537333
FMO2-HF: Total energy -67440.12851
FMO2-MP2: Total energy -67637.001701


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:11:ASP)


Summations of interaction energy for fragment #1(A:11: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.
-77.036-69.67612.058-9.307-10.111-0.008
Interaction energy analysis for fragmet #1(A:11:ASP)
Snapshot

IFIE Diagram

Base fragment(s) of PIEDA/IFIE
Single fragment Multi fragments
Fragment list
Charge [e] FCHARGE : 0 / q_Mulliken : -0.097 / q_NPA : -0.066
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].
3A13VAL00.0360.0163.8360.8942.841-0.015-0.712-1.2210.001
62A72LEU00.0110.0022.642-0.1770.8951.083-0.750-1.4040.005
63A73ASN0-0.032-0.0381.960-33.254-31.7346.331-4.330-3.521-0.060
64A74GLY00.0280.0235.0430.3440.406-0.001-0.007-0.0540.000
108A118LEU00.004-0.0064.6163.0223.169-0.001-0.005-0.1410.000
111A121LYS10.8790.9502.240-37.826-35.2144.661-3.503-3.7700.046
4A14THR0-0.014-0.0076.236-1.234-1.2340.0000.0000.0000.000
5A15LEU00.0160.0209.7920.4220.4220.0000.0000.0000.000
6A16ARG10.7810.85813.1890.1020.1020.0000.0000.0000.000
7A17LEU00.0690.03416.1660.2280.2280.0000.0000.0000.000
8A18MET0-0.067-0.01019.120-0.104-0.1040.0000.0000.0000.000
9A19THR0-0.039-0.03520.646-0.075-0.0750.0000.0000.0000.000
10A20GLU-1-0.841-0.94823.2910.0230.0230.0000.0000.0000.000
11A21HIS0-0.029-0.00621.0030.0560.0560.0000.0000.0000.000
12A22ASP-1-0.751-0.83919.177-0.237-0.2370.0000.0000.0000.000
13A23LEU00.0110.01821.6080.1120.1120.0000.0000.0000.000
14A24ALA00.0150.00624.4530.0680.0680.0000.0000.0000.000
15A25MET0-0.036-0.00916.784-0.028-0.0280.0000.0000.0000.000
16A26LEU00.0180.01019.9620.1230.1230.0000.0000.0000.000
17A27TYR00.0160.01021.3490.1050.1050.0000.0000.0000.000
18A28GLU-1-0.815-0.88720.3720.4260.4260.0000.0000.0000.000
19A29TRP0-0.023-0.03315.0330.1760.1760.0000.0000.0000.000
20A30LEU00.0310.02119.7720.1590.1590.0000.0000.0000.000
21A31ASN0-0.062-0.03822.6260.0350.0350.0000.0000.0000.000
22A32ARG10.7300.85316.459-0.684-0.6840.0000.0000.0000.000
23A33SER0-0.024-0.02419.0770.2010.2010.0000.0000.0000.000
24A34HIS0-0.0080.01621.1640.0790.0790.0000.0000.0000.000
25A35ILE0-0.040-0.01523.017-0.044-0.0440.0000.0000.0000.000
26A36VAL0-0.014-0.00425.972-0.024-0.0240.0000.0000.0000.000
27A37GLU-1-0.915-0.95826.3941.2151.2150.0000.0000.0000.000
28A38TRP0-0.082-0.05030.226-0.095-0.0950.0000.0000.0000.000
29A39TRP0-0.055-0.03628.420-0.041-0.0410.0000.0000.0000.000
30A40GLY0-0.0130.00633.751-0.033-0.0330.0000.0000.0000.000
31A41GLY00.0060.00832.187-0.028-0.0280.0000.0000.0000.000
32A42GLU-1-0.846-0.93729.3080.8220.8220.0000.0000.0000.000
33A43GLU-1-0.927-0.95231.4180.5160.5160.0000.0000.0000.000
34A44ALA0-0.082-0.04032.915-0.002-0.0020.0000.0000.0000.000
35A45ARG10.8840.95126.662-0.614-0.6140.0000.0000.0000.000
36A46PRO0-0.0080.01826.630-0.045-0.0450.0000.0000.0000.000
37A47THR00.008-0.01228.981-0.027-0.0270.0000.0000.0000.000
38A48LEU0-0.036-0.03328.0620.0140.0140.0000.0000.0000.000
39A49ALA00.0170.00530.0660.0010.0010.0000.0000.0000.000
40A50ASP-1-0.736-0.86630.7010.3710.3710.0000.0000.0000.000
41A51VAL0-0.027-0.01225.2210.0320.0320.0000.0000.0000.000
42A52GLN0-0.051-0.03927.9960.0090.0090.0000.0000.0000.000
43A53GLU-1-0.959-0.98230.0720.2890.2890.0000.0000.0000.000
44A54GLN0-0.021-0.01028.159-0.013-0.0130.0000.0000.0000.000
45A55TYR0-0.002-0.01223.9980.0390.0390.0000.0000.0000.000
46A56LEU0-0.0080.01526.408-0.029-0.0290.0000.0000.0000.000
47A57PRO00.010-0.01425.3550.0230.0230.0000.0000.0000.000
48A58SER0-0.018-0.01627.7700.0180.0180.0000.0000.0000.000
49A59VAL00.0220.01830.516-0.008-0.0080.0000.0000.0000.000
50A60LEU0-0.0040.01125.2080.0230.0230.0000.0000.0000.000
51A61ALA0-0.005-0.00629.2220.0280.0280.0000.0000.0000.000
52A62GLN0-0.087-0.04330.777-0.007-0.0070.0000.0000.0000.000
53A63GLU-1-0.882-0.92730.7420.4450.4450.0000.0000.0000.000
54A64SER0-0.058-0.02330.5510.0360.0360.0000.0000.0000.000
55A65VAL0-0.004-0.00925.1220.0750.0750.0000.0000.0000.000
56A66THR0-0.044-0.02122.607-0.113-0.1130.0000.0000.0000.000
57A67PRO00.0200.02021.6980.1390.1390.0000.0000.0000.000
58A68TYR00.011-0.03116.752-0.186-0.1860.0000.0000.0000.000
59A69ILE0-0.032-0.01014.0620.1650.1650.0000.0000.0000.000
60A70ALA00.0250.01010.804-0.179-0.1790.0000.0000.0000.000
61A71MET0-0.014-0.0189.528-0.288-0.2880.0000.0000.0000.000
65A75GLU-1-0.933-0.9498.338-0.027-0.0270.0000.0000.0000.000
66A76PRO0-0.029-0.0139.5940.6410.6410.0000.0000.0000.000
67A77ILE0-0.001-0.0128.1520.1720.1720.0000.0000.0000.000
68A78GLY00.0250.02511.6060.4620.4620.0000.0000.0000.000
69A79TYR0-0.003-0.03013.889-0.287-0.2870.0000.0000.0000.000
70A80ALA0-0.024-0.01215.4590.3190.3190.0000.0000.0000.000
71A81GLN00.0160.01517.446-0.361-0.3610.0000.0000.0000.000
72A82SER0-0.0040.01020.3900.1670.1670.0000.0000.0000.000
73A83TYR00.0330.03522.491-0.122-0.1220.0000.0000.0000.000
74A84VAL00.0190.01326.2030.0610.0610.0000.0000.0000.000
75A85ALA0-0.032-0.00728.372-0.001-0.0010.0000.0000.0000.000
76A86LEU0-0.017-0.00730.077-0.020-0.0200.0000.0000.0000.000
77A87GLY00.0230.00633.675-0.030-0.0300.0000.0000.0000.000
78A88SER0-0.035-0.02031.0070.0010.0010.0000.0000.0000.000
79A89GLY00.0630.05333.103-0.007-0.0070.0000.0000.0000.000
80A90ASP-1-0.914-0.96534.6860.5730.5730.0000.0000.0000.000
81A91GLY0-0.014-0.00835.9940.0260.0260.0000.0000.0000.000
82A92TRP0-0.048-0.03928.6630.0630.0630.0000.0000.0000.000
83A93TRP0-0.032-0.03627.834-0.011-0.0110.0000.0000.0000.000
84A94GLU-1-0.888-0.93733.4050.5030.5030.0000.0000.0000.000
85A95GLU-1-1.002-0.99836.0950.5780.5780.0000.0000.0000.000
86A96GLU-1-0.798-0.88231.2880.7240.7240.0000.0000.0000.000
87A97THR0-0.074-0.06134.697-0.048-0.0480.0000.0000.0000.000
88A98ASP-1-0.844-0.88231.7000.5250.5250.0000.0000.0000.000
89A99PRO00.014-0.01032.5460.0360.0360.0000.0000.0000.000
90A100GLY00.0440.03530.203-0.003-0.0030.0000.0000.0000.000
91A101VAL0-0.062-0.02627.5060.0650.0650.0000.0000.0000.000
92A102ARG10.8340.91423.956-0.610-0.6100.0000.0000.0000.000
93A103GLY00.0240.00123.9400.1140.1140.0000.0000.0000.000
94A104ILE0-0.073-0.03717.202-0.009-0.0090.0000.0000.0000.000
95A105ASP-1-0.763-0.84720.3001.6101.6100.0000.0000.0000.000
96A106LEU0-0.019-0.03514.1920.1290.1290.0000.0000.0000.000
97A107SER0-0.035-0.03216.3910.3050.3050.0000.0000.0000.000
98A108LEU00.0360.02117.5910.0400.0400.0000.0000.0000.000
99A109ALA00.0060.00912.670-0.036-0.0360.0000.0000.0000.000
100A110ASN0-0.080-0.06010.6771.1351.1350.0000.0000.0000.000
101A111ALA00.0330.02712.878-0.166-0.1660.0000.0000.0000.000
102A112SER0-0.063-0.03612.393-0.211-0.2110.0000.0000.0000.000
103A113GLN0-0.026-0.02114.716-0.067-0.0670.0000.0000.0000.000
104A114LEU00.0500.0537.527-0.068-0.0680.0000.0000.0000.000
105A115GLY00.0090.00511.5560.4370.4370.0000.0000.0000.000
106A116LYS10.8180.8817.138-4.920-4.9200.0000.0000.0000.000
107A117GLY00.0820.0658.1850.1310.1310.0000.0000.0000.000
109A119GLY00.0360.0197.117-2.157-2.1570.0000.0000.0000.000
110A120THR0-0.019-0.0278.7740.2770.2770.0000.0000.0000.000
112A122LEU00.0420.0287.474-1.487-1.4870.0000.0000.0000.000
113A123VAL00.0100.0049.768-0.979-0.9790.0000.0000.0000.000
114A124ARG10.9100.9479.276-5.552-5.5520.0000.0000.0000.000
115A125ALA00.0670.04410.476-0.584-0.5840.0000.0000.0000.000
116A126LEU0-0.015-0.00712.443-0.523-0.5230.0000.0000.0000.000
117A127VAL0-0.0130.00015.289-0.280-0.2800.0000.0000.0000.000
118A128GLU-1-0.936-0.97612.9401.0181.0180.0000.0000.0000.000
119A129LEU0-0.073-0.03016.307-0.243-0.2430.0000.0000.0000.000
120A130LEU0-0.002-0.00718.263-0.143-0.1430.0000.0000.0000.000
121A131PHE00.0190.01020.038-0.102-0.1020.0000.0000.0000.000
122A132ASN0-0.027-0.00919.866-0.075-0.0750.0000.0000.0000.000
123A133ASP-1-0.847-0.90722.8560.2560.2560.0000.0000.0000.000
124A134PRO0-0.042-0.03125.7890.0690.0690.0000.0000.0000.000
125A135GLU-1-0.934-0.96828.2910.2750.2750.0000.0000.0000.000
126A136VAL0-0.075-0.01223.8840.0530.0530.0000.0000.0000.000
127A137THR0-0.034-0.05226.9330.0160.0160.0000.0000.0000.000
128A138LYS10.8210.89425.490-0.788-0.7880.0000.0000.0000.000
129A139ILE00.0170.03119.878-0.006-0.0060.0000.0000.0000.000
130A140GLN00.0200.02423.147-0.019-0.0190.0000.0000.0000.000
131A141THR0-0.013-0.02619.4860.0510.0510.0000.0000.0000.000
132A142ASP-1-0.815-0.91022.4701.3321.3320.0000.0000.0000.000
133A143PRO0-0.027-0.00120.6960.0340.0340.0000.0000.0000.000
134A144SER00.1010.04022.806-0.159-0.1590.0000.0000.0000.000
135A145PRO00.020-0.00524.1480.1540.1540.0000.0000.0000.000
136A146SER0-0.0040.00924.6700.0040.0040.0000.0000.0000.000
137A147ASN0-0.0180.00220.3150.0540.0540.0000.0000.0000.000
138A148LEU00.0480.01020.2190.2330.2330.0000.0000.0000.000
139A149ARG10.9320.95815.384-3.206-3.2060.0000.0000.0000.000
140A150ALA00.0350.03115.7080.4770.4770.0000.0000.0000.000
141A151ILE00.0850.04116.7720.1660.1660.0000.0000.0000.000
142A152ARG10.8830.92916.083-2.666-2.6660.0000.0000.0000.000
143A153CYS0-0.107-0.07112.7100.6390.6390.0000.0000.0000.000
144A154TYR00.0900.03914.0040.3580.3580.0000.0000.0000.000
145A155GLU-1-0.820-0.90016.5322.1572.1570.0000.0000.0000.000
146A156LYS10.8170.90512.240-4.925-4.9250.0000.0000.0000.000
147A157ALA0-0.065-0.02713.2030.3520.3520.0000.0000.0000.000
148A158GLY00.0630.05714.441-0.212-0.2120.0000.0000.0000.000
149A159PHE0-0.033-0.01516.867-0.168-0.1680.0000.0000.0000.000
150A160GLU-1-0.918-0.95520.2361.3561.3560.0000.0000.0000.000
151A161ARG10.9240.95523.468-1.536-1.5360.0000.0000.0000.000
152A162GLN00.0300.00725.305-0.009-0.0090.0000.0000.0000.000
153A163GLY0-0.013-0.00228.385-0.085-0.0850.0000.0000.0000.000
154A164THR0-0.089-0.05228.7910.1140.1140.0000.0000.0000.000
155A165VAL00.0350.02429.965-0.066-0.0660.0000.0000.0000.000
156A166THR0-0.041-0.02931.9980.0410.0410.0000.0000.0000.000
157A167THR0-0.021-0.00429.454-0.013-0.0130.0000.0000.0000.000
158A168PRO00.0320.01732.249-0.011-0.0110.0000.0000.0000.000
159A169ASP-1-0.873-0.92128.8600.9410.9410.0000.0000.0000.000
160A170GLY0-0.036-0.01131.4040.0330.0330.0000.0000.0000.000
161A171PRO0-0.086-0.04131.6240.0160.0160.0000.0000.0000.000
162A172ALA00.0560.03026.9490.0780.0780.0000.0000.0000.000
163A173VAL0-0.085-0.05524.846-0.072-0.0720.0000.0000.0000.000
164A174TYR00.0280.01025.2020.1140.1140.0000.0000.0000.000
165A175MET0-0.078-0.03820.0910.0650.0650.0000.0000.0000.000
166A176VAL00.0180.00023.778-0.025-0.0250.0000.0000.0000.000
167A177GLN00.0140.00117.5180.0120.0120.0000.0000.0000.000
168A178THR00.0060.00822.736-0.054-0.0540.0000.0000.0000.000
169A179ARG10.8810.92223.903-0.427-0.4270.0000.0000.0000.000
170A180GLN0-0.042-0.03124.5970.0110.0110.0000.0000.0000.000
171A181ALA0-0.031-0.01023.159-0.014-0.0140.0000.0000.0000.000
172A182PHE0-0.060-0.03016.9300.1250.1250.0000.0000.0000.000
173A183GLU-2-1.937-1.94520.7231.4161.4160.0000.0000.0000.000