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: KQ193

Calculation Name: 2CX1-A-Xray549

Preferred Name:

Target Type:

Ligand Name: l(+)-tartaric acid

Ligand 3-letter code: TLA

Ligand of Interest (LOI):

Structure Source: PDB

PDB ID: 2CX1

Chain ID: A

ChEMBL ID:

UniProt ID: Q9YEQ6

Base Structure: X-ray

Registration Date: 2025-10-11

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 184
LigandResidueName
LigandFragmentNumber 0
LigandCharge
Software ABINIT-MP - Open Ver. 1 Rev. 23 (BINDS Ver. 1) / 20230922
Total energy (hartree)
FMO2-HF: Electronic energy -1964255.955483
FMO2-HF: Nuclear repulsion 1893050.686719
FMO2-HF: Total energy -71205.268764
FMO2-MP2: Total energy -71415.120682


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:0:HIS)


Summations of interaction energy for fragment #1(A:0:HIS)
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.
12.05217.9847.522-6.547-6.904-0.076
Interaction energy analysis for fragmet #1(A:0:HIS)
Snapshot

IFIE Diagram

Base fragment(s) of PIEDA/IFIE
Single fragment Multi fragments
Fragment list
Charge [e] FCHARGE : 1 / q_Mulliken : 0.832 / q_NPA : 0.912
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].
3A2LEU00.0360.0453.432-1.5850.6950.008-1.124-1.164-0.005
13A12LEU00.0120.0062.3382.3274.1371.524-0.888-2.445-0.007
14A13GLU-1-0.880-0.9291.954-70.262-68.6015.991-4.525-3.126-0.064
15A14ALA00.001-0.0024.5875.2095.390-0.001-0.010-0.1690.000
4A3TRP00.0360.0015.9330.7670.7670.0000.0000.0000.000
5A4ALA00.0440.0409.7700.8400.8400.0000.0000.0000.000
6A5ARG10.9360.96512.17416.23416.2340.0000.0000.0000.000
7A6LEU0-0.046-0.02215.499-0.481-0.4810.0000.0000.0000.000
8A7VAL0-0.003-0.00611.9270.4410.4410.0000.0000.0000.000
9A8GLY00.0180.02913.823-0.434-0.4340.0000.0000.0000.000
10A9LEU0-0.0070.0008.646-1.814-1.8140.0000.0000.0000.000
11A10ALA00.0420.0157.5300.8820.8820.0000.0000.0000.000
12A11ARG10.9100.9425.29726.90926.9090.0000.0000.0000.000
16A15ARG10.8160.8806.25922.69322.6930.0000.0000.0000.000
17A16ALA00.0550.0309.7430.5200.5200.0000.0000.0000.000
18A17LEU0-0.010-0.00112.0200.4510.4510.0000.0000.0000.000
19A18SER00.007-0.02415.4270.9720.9720.0000.0000.0000.000
20A19LYS10.9790.97118.32512.53512.5350.0000.0000.0000.000
21A20LYS10.9560.98021.24813.18613.1860.0000.0000.0000.000
22A21GLU-1-0.731-0.81116.874-18.426-18.4260.0000.0000.0000.000
23A22ARG10.8880.94516.69316.36116.3610.0000.0000.0000.000
24A23ARG10.9530.97620.33712.08812.0880.0000.0000.0000.000
25A24SER00.0100.00222.6890.4950.4950.0000.0000.0000.000
26A25LEU00.0410.02117.9360.3500.3500.0000.0000.0000.000
27A26LEU0-0.019-0.01321.9980.3920.3920.0000.0000.0000.000
28A27GLU-1-0.873-0.93324.393-10.190-10.1900.0000.0000.0000.000
29A28ARG10.7770.85821.57414.08814.0880.0000.0000.0000.000
30A29LEU0-0.019-0.00321.0420.0980.0980.0000.0000.0000.000
31A30LYS10.8680.91425.52810.97310.9730.0000.0000.0000.000
32A31PRO00.0020.01428.7200.2900.2900.0000.0000.0000.000
33A32TYR00.0360.00727.3430.2990.2990.0000.0000.0000.000
34A33TYR0-0.051-0.04124.2140.0320.0320.0000.0000.0000.000
35A34THR0-0.023-0.02528.9550.3700.3700.0000.0000.0000.000
36A35ARG10.8600.91827.05810.32810.3280.0000.0000.0000.000
37A36ILE0-0.0100.00122.826-0.248-0.2480.0000.0000.0000.000
38A37PRO0-0.0080.00920.7640.2480.2480.0000.0000.0000.000
39A38PHE00.0190.01318.900-0.109-0.1090.0000.0000.0000.000
40A39SER00.0260.00820.5430.3430.3430.0000.0000.0000.000
41A40GLU-1-0.899-0.97320.098-12.690-12.6900.0000.0000.0000.000
42A41LYS10.9160.94319.80111.48711.4870.0000.0000.0000.000
43A42ALA00.0270.05416.186-0.360-0.3600.0000.0000.0000.000
44A43ASP-1-0.865-0.93910.036-24.243-24.2430.0000.0000.0000.000
45A44LEU0-0.026-0.01213.132-0.013-0.0130.0000.0000.0000.000
46A45ARG10.9080.9656.47233.43033.4300.0000.0000.0000.000
47A46LEU0-0.0200.01510.7170.2900.2900.0000.0000.0000.000
48A47VAL0-0.013-0.0185.462-3.434-3.4340.0000.0000.0000.000
49A48LYS10.9120.9667.44431.70431.7040.0000.0000.0000.000
50A49ALA00.011-0.0086.345-6.955-6.9550.0000.0000.0000.000
51A50ARG10.9680.9897.72130.35130.3510.0000.0000.0000.000
52A51THR0-0.010-0.0089.354-1.758-1.7580.0000.0000.0000.000
53A52ASP-1-0.890-0.95212.143-20.132-20.1320.0000.0000.0000.000
54A53SER0-0.084-0.04115.3491.2831.2830.0000.0000.0000.000
55A54GLY00.0450.02614.9931.1111.1110.0000.0000.0000.000
56A55GLU-1-0.965-0.98611.417-25.990-25.9900.0000.0000.0000.000
57A56TYR0-0.0060.00611.4182.0732.0730.0000.0000.0000.000
58A57GLU-1-0.899-0.96211.028-24.848-24.8480.0000.0000.0000.000
59A58ILE0-0.031-0.02010.4271.8861.8860.0000.0000.0000.000
60A59ILE0-0.017-0.00511.109-1.799-1.7990.0000.0000.0000.000
61A60THR0-0.056-0.0367.8320.6450.6450.0000.0000.0000.000
62A61VAL0-0.007-0.02811.2750.8240.8240.0000.0000.0000.000
63A62ASP-1-0.834-0.92312.036-18.113-18.1130.0000.0000.0000.000
64A63GLY0-0.0100.0048.369-0.306-0.3060.0000.0000.0000.000
65A64VAL00.0410.0228.661-1.448-1.4480.0000.0000.0000.000
66A65PRO00.0320.0249.5820.6810.6810.0000.0000.0000.000
67A66CYS0-0.052-0.00811.4651.7831.7830.0000.0000.0000.000
68A67LEU00.027-0.00614.7541.3981.3980.0000.0000.0000.000
69A68PHE00.0140.01215.187-1.271-1.2710.0000.0000.0000.000
70A69GLU-1-0.819-0.88717.158-14.049-14.0490.0000.0000.0000.000
71A70TRP0-0.0070.00319.434-0.430-0.4300.0000.0000.0000.000
72A71SER00.0340.00522.2250.2030.2030.0000.0000.0000.000
73A72ASP-1-0.798-0.87424.807-11.428-11.4280.0000.0000.0000.000
74A73GLY00.0440.02924.9150.3620.3620.0000.0000.0000.000
75A74ARG10.7490.88325.17410.74010.7400.0000.0000.0000.000
76A75ILE00.0200.00519.754-0.522-0.5220.0000.0000.0000.000
77A76TYR0-0.050-0.03720.8970.8840.8840.0000.0000.0000.000
78A77PRO0-0.0030.00519.369-0.860-0.8600.0000.0000.0000.000
79A78THR00.022-0.01114.7870.7480.7480.0000.0000.0000.000
80A79LEU0-0.022-0.02518.1410.5170.5170.0000.0000.0000.000
81A80GLN0-0.010-0.01814.0960.8220.8220.0000.0000.0000.000
82A81CYS0-0.0220.00516.9000.2920.2920.0000.0000.0000.000
83A82LEU0-0.022-0.00818.0740.5110.5110.0000.0000.0000.000
84A83LYS10.9190.96718.38815.21315.2130.0000.0000.0000.000
85A84ALA0-0.027-0.00216.9920.2930.2930.0000.0000.0000.000
86A85PHE00.019-0.01016.8650.2510.2510.0000.0000.0000.000
87A86GLY00.0340.03621.8470.5800.5800.0000.0000.0000.000
88A87VAL00.013-0.02424.233-0.331-0.3310.0000.0000.0000.000
89A88ASP-1-0.863-0.92126.995-9.839-9.8390.0000.0000.0000.000
90A89TRP0-0.052-0.02221.9930.2470.2470.0000.0000.0000.000
91A90LEU00.0300.01724.960-0.076-0.0760.0000.0000.0000.000
92A91LYS10.8660.96128.5679.8289.8280.0000.0000.0000.000
93A92GLY00.0160.00031.3310.3780.3780.0000.0000.0000.000
94A93VAL0-0.045-0.00729.380-0.398-0.3980.0000.0000.0000.000
95A94VAL0-0.013-0.00532.1400.3570.3570.0000.0000.0000.000
96A95LEU00.0020.02032.938-0.299-0.2990.0000.0000.0000.000
97A96VAL00.003-0.01332.3870.2470.2470.0000.0000.0000.000
98A97ASP-1-0.774-0.88935.274-8.212-8.2120.0000.0000.0000.000
99A98LYS11.0000.98334.6118.1518.1510.0000.0000.0000.000
100A99GLY00.0080.01034.565-0.210-0.2100.0000.0000.0000.000
101A100ALA00.0100.00035.038-0.203-0.2030.0000.0000.0000.000
102A101ALA00.0140.00530.888-0.299-0.2990.0000.0000.0000.000
103A102ILE0-0.006-0.00230.152-0.394-0.3940.0000.0000.0000.000
104A103ALA0-0.019-0.00630.864-0.230-0.2300.0000.0000.0000.000
105A104LEU0-0.023-0.01528.719-0.230-0.2300.0000.0000.0000.000
106A105ALA00.0220.00726.294-0.401-0.4010.0000.0000.0000.000
107A106LYS10.9340.97126.1519.1589.1580.0000.0000.0000.000
108A107GLY0-0.0020.00726.873-0.239-0.2390.0000.0000.0000.000
109A108ALA0-0.047-0.01427.6650.0500.0500.0000.0000.0000.000
110A109HIS00.0280.00430.137-0.275-0.2750.0000.0000.0000.000
111A110LEU00.0240.02632.3080.1630.1630.0000.0000.0000.000
112A111MET00.002-0.00334.2160.0430.0430.0000.0000.0000.000
113A112ILE00.0430.02137.894-0.068-0.0680.0000.0000.0000.000
114A113PRO0-0.024-0.01440.5430.0110.0110.0000.0000.0000.000
115A114GLY00.0000.01737.9340.0840.0840.0000.0000.0000.000
116A115VAL0-0.022-0.01236.854-0.207-0.2070.0000.0000.0000.000
117A116VAL0-0.028-0.02537.8320.2450.2450.0000.0000.0000.000
118A117GLY00.0330.01738.7110.1790.1790.0000.0000.0000.000
119A118VAL0-0.049-0.01537.129-0.243-0.2430.0000.0000.0000.000
120A119GLU-1-0.733-0.82633.892-8.787-8.7870.0000.0000.0000.000
121A120GLY00.0240.00735.091-0.242-0.2420.0000.0000.0000.000
122A121SER0-0.051-0.02735.9100.2570.2570.0000.0000.0000.000
123A122PHE0-0.0110.00134.474-0.184-0.1840.0000.0000.0000.000
124A123THR00.0150.00336.3110.2710.2710.0000.0000.0000.000
125A124ARG10.8830.92536.1248.0758.0750.0000.0000.0000.000
126A125GLY00.0050.00333.9960.0580.0580.0000.0000.0000.000
127A126ASP-1-0.791-0.88332.183-9.591-9.5910.0000.0000.0000.000
128A127VAL0-0.040-0.01625.6770.0020.0020.0000.0000.0000.000
129A128VAL0-0.0080.00029.0460.1140.1140.0000.0000.0000.000
130A129ALA00.0130.00026.349-0.393-0.3930.0000.0000.0000.000
131A130ALA0-0.0110.00128.1530.4340.4340.0000.0000.0000.000
132A131LEU00.0260.00027.869-0.405-0.4050.0000.0000.0000.000
133A132TYR0-0.021-0.01129.9800.3580.3580.0000.0000.0000.000
134A133HIS00.014-0.01432.005-0.083-0.0830.0000.0000.0000.000
135A134GLU-1-0.978-0.97234.334-8.161-8.1610.0000.0000.0000.000
136A135THR00.0000.00329.781-0.154-0.1540.0000.0000.0000.000
137A136ARG10.8180.87629.9229.0429.0420.0000.0000.0000.000
138A137THR00.0290.01025.167-0.419-0.4190.0000.0000.0000.000
139A138PRO0-0.013-0.01124.0170.2660.2660.0000.0000.0000.000
140A139VAL00.000-0.00124.414-0.437-0.4370.0000.0000.0000.000
141A140MET0-0.057-0.02225.149-0.270-0.2700.0000.0000.0000.000
142A141VAL00.0380.03622.7010.3630.3630.0000.0000.0000.000
143A142GLY00.0610.00225.405-0.177-0.1770.0000.0000.0000.000
144A143VAL0-0.055-0.00327.9580.0210.0210.0000.0000.0000.000
145A144ALA00.0140.02230.8010.1670.1670.0000.0000.0000.000
146A145GLU-1-0.798-0.90534.286-8.863-8.8630.0000.0000.0000.000
147A146VAL0-0.022-0.01736.9910.2420.2420.0000.0000.0000.000
148A147ASP-1-0.793-0.89138.405-7.900-7.9000.0000.0000.0000.000
149A148SER0-0.027-0.02237.9420.1730.1730.0000.0000.0000.000
150A149SER00.0290.00639.6810.0690.0690.0000.0000.0000.000
151A150ALA00.0260.01042.9300.1950.1950.0000.0000.0000.000
152A151LEU00.007-0.00437.5890.0920.0920.0000.0000.0000.000
153A152GLU-1-0.799-0.89841.778-7.290-7.2900.0000.0000.0000.000
154A153LYS10.8870.97543.5996.6356.6350.0000.0000.0000.000
155A154LEU00.0610.02843.3220.0180.0180.0000.0000.0000.000
156A155TYR0-0.036-0.02141.7320.0450.0450.0000.0000.0000.000
157A156ARG10.7830.86843.6297.0177.0170.0000.0000.0000.000
158A157GLU-1-0.890-0.95046.852-6.391-6.3910.0000.0000.0000.000
159A158LYS10.8090.91042.0507.4437.4430.0000.0000.0000.000
160A159ALA00.0510.04345.7970.0350.0350.0000.0000.0000.000
161A160ARG10.8890.92044.0986.5696.5690.0000.0000.0000.000
162A161GLY00.0700.03142.0070.0850.0850.0000.0000.0000.000
163A162ARG10.8080.89534.0668.8818.8810.0000.0000.0000.000
164A163ALA00.0310.02036.8030.1200.1200.0000.0000.0000.000
165A164VAL00.0080.00530.812-0.039-0.0390.0000.0000.0000.000
166A165ARG10.8910.95629.61910.09910.0990.0000.0000.0000.000
167A166ARG10.8890.92925.47011.13911.1390.0000.0000.0000.000
168A167VAL0-0.083-0.02822.8220.1100.1100.0000.0000.0000.000
169A168HIS00.013-0.00718.129-0.520-0.5200.0000.0000.0000.000
170A169ARG10.8400.92222.03013.34113.3410.0000.0000.0000.000
171A170LEU00.0360.01721.520-0.607-0.6070.0000.0000.0000.000
172A171GLY00.0270.01920.3800.4990.4990.0000.0000.0000.000
173A172ASP-1-0.807-0.88418.948-15.155-15.1550.0000.0000.0000.000
174A173ALA00.0560.01216.768-0.532-0.5320.0000.0000.0000.000
175A174LEU00.0390.02313.924-1.354-1.3540.0000.0000.0000.000
176A175TRP0-0.035-0.00614.599-1.081-1.0810.0000.0000.0000.000
177A176GLU-1-0.851-0.96215.201-17.350-17.3500.0000.0000.0000.000
178A177LEU00.0040.0198.566-1.217-1.2170.0000.0000.0000.000
179A178ALA0-0.004-0.01010.460-2.103-2.1030.0000.0000.0000.000
180A179GLN0-0.051-0.02411.515-0.550-0.5500.0000.0000.0000.000
181A180GLU-1-0.898-0.9448.431-24.378-24.3780.0000.0000.0000.000
182A181VAL0-0.049-0.0376.194-2.544-2.5440.0000.0000.0000.000
183A182GLY0-0.049-0.0246.764-1.638-1.6380.0000.0000.0000.000
184A183LYS0-0.096-0.0177.485-5.240-5.2400.0000.0000.0000.000