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: G4NN1

Calculation Name: 2ZW3-D-Xray549

Preferred Name: Gap junction beta-2 protein

Target Type: SINGLE PROTEIN

Ligand Name:

Ligand 3-letter code:

Ligand of Interest (LOI):

Structure Source: PDB

PDB ID: 2ZW3

Chain ID: D

ChEMBL ID: CHEMBL4295738

UniProt ID: P29033

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 213
LigandResidueName
LigandFragmentNumber 0
LigandCharge
Software ABINIT-MP - Open Ver. 1 Rev. 23 (BINDS Ver. 1) / 20230922
Total energy (hartree)
FMO2-HF: Electronic energy -2432467.176202
FMO2-HF: Nuclear repulsion 2343352.663925
FMO2-HF: Total energy -89114.512278
FMO2-MP2: Total energy -89369.809667


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(D:2:ASP)


Summations of interaction energy for fragment #1(D:2: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.
1.8715.4352.329-2.26-3.6330.011
Interaction energy analysis for fragmet #1(D:2:ASP)
Snapshot

IFIE Diagram

Base fragment(s) of PIEDA/IFIE
Single fragment Multi fragments
Fragment list
Charge [e] FCHARGE : 0 / q_Mulliken : -0.056 / q_NPA : -0.037
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].
3D4GLY00.0600.0433.8330.8372.497-0.022-0.748-0.8900.001
4D5THR0-0.002-0.0023.5612.1432.4680.012-0.084-0.2530.000
5D6LEU00.0510.0182.359-1.0280.5512.339-1.428-2.4900.010
6D7GLN00.0410.0134.878-1.330-1.3300.0000.0000.0000.000
7D8THR00.0150.0008.0890.5760.5760.0000.0000.0000.000
8D9ILE0-0.036-0.0066.7430.3680.3680.0000.0000.0000.000
9D10LEU0-0.020-0.00110.0280.2180.2180.0000.0000.0000.000
10D11GLY00.0270.01311.462-0.004-0.0040.0000.0000.0000.000
11D12GLY0-0.048-0.02213.091-0.043-0.0430.0000.0000.0000.000
12D13VAL0-0.040-0.02015.0030.1050.1050.0000.0000.0000.000
13D14ASN0-0.007-0.01217.290-0.068-0.0680.0000.0000.0000.000
14D15LYS10.9550.95919.5180.2460.2460.0000.0000.0000.000
15D16HIS00.0130.01519.6290.0730.0730.0000.0000.0000.000
16D17SER00.0250.02024.0910.0060.0060.0000.0000.0000.000
17D18THR0-0.016-0.02125.905-0.025-0.0250.0000.0000.0000.000
18D19SER00.024-0.01227.3700.0130.0130.0000.0000.0000.000
19D20ILE00.0090.01126.728-0.014-0.0140.0000.0000.0000.000
20D21GLY00.0500.02125.463-0.060-0.0600.0000.0000.0000.000
21D22LYS10.7390.86022.2300.2900.2900.0000.0000.0000.000
22D23ILE00.0060.00119.650-0.048-0.0480.0000.0000.0000.000
23D24TRP00.0410.02219.794-0.141-0.1410.0000.0000.0000.000
24D25LEU00.0390.03419.630-0.116-0.1160.0000.0000.0000.000
25D26THR00.0190.00014.561-0.107-0.1070.0000.0000.0000.000
26D27VAL00.0020.00415.694-0.277-0.2770.0000.0000.0000.000
27D28LEU00.0160.01017.056-0.185-0.1850.0000.0000.0000.000
28D29PHE0-0.017-0.01111.580-0.150-0.1500.0000.0000.0000.000
29D30ILE0-0.007-0.00511.556-0.336-0.3360.0000.0000.0000.000
30D31PHE00.0180.00513.601-0.294-0.2940.0000.0000.0000.000
31D32ARG10.7850.87316.2391.2091.2090.0000.0000.0000.000
32D33ILE00.0000.0009.618-0.052-0.0520.0000.0000.0000.000
33D34MET0-0.019-0.0119.724-0.397-0.3970.0000.0000.0000.000
34D35ILE00.0220.00913.4120.0340.0340.0000.0000.0000.000
35D36LEU00.0060.01012.9310.1070.1070.0000.0000.0000.000
36D37VAL0-0.070-0.0448.9610.0090.0090.0000.0000.0000.000
37D38VAL00.0090.02112.355-0.010-0.0100.0000.0000.0000.000
38D39ALA00.0290.00715.4960.1340.1340.0000.0000.0000.000
39D40ALA0-0.072-0.03714.0850.1580.1580.0000.0000.0000.000
40D41LYS10.9230.94310.6163.4163.4160.0000.0000.0000.000
41D42GLU-1-0.891-0.91515.983-1.403-1.4030.0000.0000.0000.000
42D43VAL0-0.007-0.00919.1370.1440.1440.0000.0000.0000.000
43D44TRP0-0.019-0.03319.2800.1550.1550.0000.0000.0000.000
44D45GLY00.0330.03220.7820.0570.0570.0000.0000.0000.000
45D46ASP-1-0.785-0.88021.522-0.806-0.8060.0000.0000.0000.000
46D47GLU-1-0.866-0.88121.899-0.909-0.9090.0000.0000.0000.000
47D48GLN00.0750.03225.4300.0650.0650.0000.0000.0000.000
48D49ALA0-0.0050.00226.7250.0560.0560.0000.0000.0000.000
49D50ASP-1-0.886-0.95428.459-0.547-0.5470.0000.0000.0000.000
50D51PHE0-0.042-0.00230.1610.0140.0140.0000.0000.0000.000
51D52VAL00.0210.01731.7700.0300.0300.0000.0000.0000.000
52D53CYS0-0.023-0.00835.4210.0080.0080.0000.0000.0000.000
53D54ASN0-0.032-0.01538.2630.0130.0130.0000.0000.0000.000
54D55THR00.024-0.01740.9380.0190.0190.0000.0000.0000.000
55D56LEU00.0240.02041.738-0.009-0.0090.0000.0000.0000.000
56D57GLN0-0.032-0.00442.8260.0060.0060.0000.0000.0000.000
57D58PRO00.0320.00440.168-0.013-0.0130.0000.0000.0000.000
58D59GLY00.0110.01138.300-0.014-0.0140.0000.0000.0000.000
59D60CYS0-0.078-0.01537.317-0.023-0.0230.0000.0000.0000.000
60D61LYS10.9120.93431.0890.4350.4350.0000.0000.0000.000
61D62ASN00.012-0.00432.411-0.044-0.0440.0000.0000.0000.000
62D63VAL00.0040.00232.505-0.018-0.0180.0000.0000.0000.000
63D64CYS0-0.035-0.01134.6310.0030.0030.0000.0000.0000.000
64D65TYR00.0080.02524.998-0.021-0.0210.0000.0000.0000.000
65D66ASP-1-0.943-0.97429.763-0.372-0.3720.0000.0000.0000.000
66D67HIS0-0.010-0.02030.842-0.010-0.0100.0000.0000.0000.000
67D68TYR0-0.010-0.01232.0940.0140.0140.0000.0000.0000.000
68D69PHE0-0.104-0.04026.298-0.054-0.0540.0000.0000.0000.000
69D70PRO00.0540.04126.832-0.033-0.0330.0000.0000.0000.000
70D71ILE0-0.009-0.01022.166-0.010-0.0100.0000.0000.0000.000
71D72SER0-0.023-0.00121.995-0.060-0.0600.0000.0000.0000.000
72D73HIS00.0690.03021.644-0.134-0.1340.0000.0000.0000.000
73D74ILE0-0.0190.00216.465-0.064-0.0640.0000.0000.0000.000
74D75ARG10.8400.88817.0980.8920.8920.0000.0000.0000.000
75D76LEU00.0470.04018.127-0.030-0.0300.0000.0000.0000.000
76D77TRP00.0420.01017.707-0.055-0.0550.0000.0000.0000.000
77D78ALA0-0.017-0.01013.777-0.133-0.1330.0000.0000.0000.000
78D79LEU00.0210.00914.560-0.068-0.0680.0000.0000.0000.000
79D80GLN0-0.010-0.01216.8680.1190.1190.0000.0000.0000.000
80D81LEU0-0.006-0.00613.2870.0580.0580.0000.0000.0000.000
81D82ILE0-0.0070.00011.529-0.008-0.0080.0000.0000.0000.000
82D83PHE00.0020.00113.8180.2540.2540.0000.0000.0000.000
83D84VAL0-0.008-0.00717.2340.1510.1510.0000.0000.0000.000
84D85SER0-0.027-0.01211.2820.1190.1190.0000.0000.0000.000
85D86THR0-0.031-0.01114.5070.2800.2800.0000.0000.0000.000
86D87PRO00.0080.00415.8930.1930.1930.0000.0000.0000.000
87D88ALA0-0.0210.00915.1190.1060.1060.0000.0000.0000.000
88D89LEU00.019-0.0049.8560.1270.1270.0000.0000.0000.000
89D90LEU00.0090.02713.7870.2860.2860.0000.0000.0000.000
90D91VAL00.020-0.00616.6380.1200.1200.0000.0000.0000.000
91D92ALA00.0090.00613.7390.0750.0750.0000.0000.0000.000
92D93MET00.0190.00712.0500.1500.1500.0000.0000.0000.000
93D94HIS00.0020.02015.3440.0910.0910.0000.0000.0000.000
94D95VAL00.000-0.00917.6940.0140.0140.0000.0000.0000.000
95D96ALA0-0.008-0.00115.2270.0120.0120.0000.0000.0000.000
96D97TYR00.0180.01217.1300.0440.0440.0000.0000.0000.000
97D98ARG10.9300.94518.778-0.523-0.5230.0000.0000.0000.000
98D99ARG10.9520.98320.781-0.441-0.4410.0000.0000.0000.000
99D100HIS0-0.054-0.02519.190-0.021-0.0210.0000.0000.0000.000
100D101GLU-1-0.881-0.95221.3080.7590.7590.0000.0000.0000.000
101D102LYS00.0260.01723.728-0.045-0.0450.0000.0000.0000.000
102D103LYS10.9600.98521.693-0.718-0.7180.0000.0000.0000.000
103D104ARG10.9030.93923.376-0.809-0.8090.0000.0000.0000.000
104D105LYS10.8970.96726.480-0.648-0.6480.0000.0000.0000.000
105D106PHE00.0730.04429.137-0.014-0.0140.0000.0000.0000.000
106D107ILE0-0.021-0.01229.546-0.014-0.0140.0000.0000.0000.000
107D108LYS10.8170.89027.194-0.505-0.5050.0000.0000.0000.000
108D109GLY00.0410.03332.2710.0080.0080.0000.0000.0000.000
109D110GLU-1-0.835-0.90328.9050.5870.5870.0000.0000.0000.000
110D111ILE0-0.034-0.03231.453-0.015-0.0150.0000.0000.0000.000
111D112LYS10.7840.91333.782-0.340-0.3400.0000.0000.0000.000
112D113SER00.010-0.00136.428-0.021-0.0210.0000.0000.0000.000
113D114GLU-1-0.757-0.87939.2010.2250.2250.0000.0000.0000.000
114D115PHE00.0120.00238.3500.0150.0150.0000.0000.0000.000
115D116LYS10.7800.88036.182-0.260-0.2600.0000.0000.0000.000
116D117ASP-1-0.803-0.88436.4820.2750.2750.0000.0000.0000.000
117D118ILE00.0140.00338.488-0.011-0.0110.0000.0000.0000.000
118D119GLU-1-0.858-0.94832.1400.3070.3070.0000.0000.0000.000
119D120GLU0-0.078-0.07432.5480.0230.0230.0000.0000.0000.000
120D121ILE0-0.025-0.01334.769-0.009-0.0090.0000.0000.0000.000
121D122LYS10.8130.90432.718-0.220-0.2200.0000.0000.0000.000
122D123THR-1-0.698-0.82329.0110.3180.3180.0000.0000.0000.000
123D124GLN0-0.074-0.00829.810-0.024-0.0240.0000.0000.0000.000
124D125LYS10.9410.94930.842-0.139-0.1390.0000.0000.0000.000
125D126VAL00.0440.02430.8320.0020.0020.0000.0000.0000.000
126D127ARG10.9330.96028.427-0.261-0.2610.0000.0000.0000.000
127D128ILE0-0.045-0.02324.2070.0130.0130.0000.0000.0000.000
128D129GLU-1-0.899-0.94526.7440.0310.0310.0000.0000.0000.000
129D130GLY00.0370.01929.192-0.013-0.0130.0000.0000.0000.000
130D131SER0-0.029-0.02527.194-0.008-0.0080.0000.0000.0000.000
131D132LEU0-0.060-0.01121.0840.0090.0090.0000.0000.0000.000
132D133TRP00.0370.01522.816-0.019-0.0190.0000.0000.0000.000
133D134TRP00.0750.05626.636-0.037-0.0370.0000.0000.0000.000
134D135THR0-0.011-0.03423.765-0.008-0.0080.0000.0000.0000.000
135D136TYR0-0.0150.00620.620-0.043-0.0430.0000.0000.0000.000
136D137THR00.0770.03923.858-0.070-0.0700.0000.0000.0000.000
137D138SER00.0270.00926.434-0.045-0.0450.0000.0000.0000.000
138D139SER0-0.077-0.03819.974-0.060-0.0600.0000.0000.0000.000
139D140ILE0-0.007-0.01822.978-0.072-0.0720.0000.0000.0000.000
140D141PHE00.0200.01424.671-0.050-0.0500.0000.0000.0000.000
141D142PHE00.007-0.00922.865-0.021-0.0210.0000.0000.0000.000
142D143ARG10.8710.95918.1050.4830.4830.0000.0000.0000.000
143D144VAL00.0290.01022.663-0.068-0.0680.0000.0000.0000.000
144D145ILE00.0000.01325.049-0.019-0.0190.0000.0000.0000.000
145D146PHE0-0.012-0.01620.6510.0030.0030.0000.0000.0000.000
146D147GLU-1-0.736-0.84620.615-1.057-1.0570.0000.0000.0000.000
147D148ALA00.0050.00223.512-0.018-0.0180.0000.0000.0000.000
148D149ALA0-0.0050.00325.4130.0080.0080.0000.0000.0000.000
149D150PHE0-0.029-0.01519.5720.0110.0110.0000.0000.0000.000
150D151MET00.0130.02424.770-0.011-0.0110.0000.0000.0000.000
151D152TYR0-0.019-0.01226.7370.0140.0140.0000.0000.0000.000
152D153VAL00.0190.00226.1700.0130.0130.0000.0000.0000.000
153D154PHE0-0.030-0.03921.8370.0010.0010.0000.0000.0000.000
154D155TYR0-0.029-0.00927.446-0.016-0.0160.0000.0000.0000.000
155D156VAL0-0.055-0.01331.0220.0310.0310.0000.0000.0000.000
156D157MET0-0.070-0.02828.1570.0300.0300.0000.0000.0000.000
157D158TYR0-0.024-0.04825.7760.0010.0010.0000.0000.0000.000
158D159ASP-1-0.900-0.93731.370-0.415-0.4150.0000.0000.0000.000
159D160GLY0-0.0130.00434.2710.0080.0080.0000.0000.0000.000
160D161PHE0-0.005-0.01231.208-0.014-0.0140.0000.0000.0000.000
161D162SER0-0.058-0.03030.340-0.043-0.0430.0000.0000.0000.000
162D163MET00.0050.01826.8320.0130.0130.0000.0000.0000.000
163D164GLN0-0.007-0.00631.958-0.004-0.0040.0000.0000.0000.000
164D165ARG10.9330.95733.8190.4480.4480.0000.0000.0000.000
165D166LEU0-0.0020.00635.496-0.008-0.0080.0000.0000.0000.000
166D167VAL00.0140.01435.339-0.001-0.0010.0000.0000.0000.000
167D168LYS10.8580.92038.0350.2910.2910.0000.0000.0000.000
168D170ASN00.0440.01139.7770.0160.0160.0000.0000.0000.000
169D171ALA00.0650.02237.5960.0110.0110.0000.0000.0000.000
170D172TRP00.0330.00139.6230.0030.0030.0000.0000.0000.000
171D173PRO0-0.0190.00239.5330.0060.0060.0000.0000.0000.000
172D175PRO0-0.012-0.01043.0940.0100.0100.0000.0000.0000.000
173D176ASN0-0.019-0.00746.7520.0040.0040.0000.0000.0000.000
174D177THR0-0.028-0.01243.759-0.008-0.0080.0000.0000.0000.000
175D178VAL00.0090.00940.7220.0040.0040.0000.0000.0000.000
176D179ASP-1-0.799-0.88841.287-0.296-0.2960.0000.0000.0000.000
177D181PHE00.0120.00035.813-0.003-0.0030.0000.0000.0000.000
178D182VAL00.0360.01829.673-0.012-0.0120.0000.0000.0000.000
179D183SER00.021-0.00427.609-0.009-0.0090.0000.0000.0000.000
180D184ARG10.8240.87523.2640.9500.9500.0000.0000.0000.000
181D185PRO00.0530.02728.206-0.053-0.0530.0000.0000.0000.000
182D186THR00.0200.00929.587-0.007-0.0070.0000.0000.0000.000
183D187GLU-1-0.856-0.91124.572-0.998-0.9980.0000.0000.0000.000
184D188LYS10.9050.95424.3560.7620.7620.0000.0000.0000.000
185D189THR00.0070.01125.447-0.025-0.0250.0000.0000.0000.000
186D190VAL0-0.004-0.00325.612-0.006-0.0060.0000.0000.0000.000
187D191PHE00.022-0.00219.424-0.033-0.0330.0000.0000.0000.000
188D192THR0-0.016-0.00722.885-0.070-0.0700.0000.0000.0000.000
189D193VAL00.0160.00424.9010.0090.0090.0000.0000.0000.000
190D194PHE0-0.012-0.01222.7650.0040.0040.0000.0000.0000.000
191D195MET0-0.0240.00417.318-0.061-0.0610.0000.0000.0000.000
192D196ILE00.0410.02322.1280.0000.0000.0000.0000.0000.000
193D197ALA00.0170.01125.2810.0470.0470.0000.0000.0000.000
194D198VAL0-0.016-0.02220.3880.0290.0290.0000.0000.0000.000
195D199SER0-0.010-0.01923.043-0.014-0.0140.0000.0000.0000.000
196D200GLY00.0280.02623.8580.0550.0550.0000.0000.0000.000
197D201ILE0-0.019-0.01325.0610.0430.0430.0000.0000.0000.000
198D202CYS0-0.023-0.01721.346-0.004-0.0040.0000.0000.0000.000
199D203ILE00.0140.02023.6950.0550.0550.0000.0000.0000.000
200D204LEU00.0160.00726.6060.0510.0510.0000.0000.0000.000
201D205LEU0-0.011-0.00223.4780.0410.0410.0000.0000.0000.000
202D206ASN00.006-0.01621.7220.0750.0750.0000.0000.0000.000
203D207VAL00.0210.00725.5920.0570.0570.0000.0000.0000.000
204D208THR0-0.0040.00729.0540.0490.0490.0000.0000.0000.000
205D209GLU-1-0.789-0.87125.138-0.372-0.3720.0000.0000.0000.000
206D210LEU0-0.006-0.01028.2070.0400.0400.0000.0000.0000.000
207D211CYS0-0.0140.00429.9430.0400.0400.0000.0000.0000.000
208D212TYR0-0.014-0.02930.5360.0240.0240.0000.0000.0000.000
209D213LEU0-0.064-0.03327.4000.0220.0220.0000.0000.0000.000
210D214LEU00.0080.01432.0550.0220.0220.0000.0000.0000.000
211D215ILE0-0.072-0.03235.2380.0120.0120.0000.0000.0000.000
212D216ARG10.8570.92533.2370.1340.1340.0000.0000.0000.000
213D217TYR-1-0.902-0.92334.746-0.031-0.0310.0000.0000.0000.000