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: 4QNKN

Calculation Name: 2AUC-A-Xray540

Preferred Name:

Target Type:

Ligand Name: n-acetyl-serine

Ligand 3-letter code: SAC

Ligand of Interest (LOI):

Structure Source: PDB

PDB ID: 2AUC

Chain ID: A

ChEMBL ID:

UniProt ID: Q7RQ71

Base Structure: X-ray

Registration Date: 2025-07-11

Reference: C. Watanabe, N. Tani, K. Kamisaka, T. Honma et al., Interaction energy analysis of Apo structure dataset on FMODB, To be published.

DOI:

Apendix: None


IFIE MAP

IFIE Diagram


Modeling method
Optimization MOE:Amber10:EHT
Restraint OptHSide
Protonation MOE:Protonate 3D
Complement MOE:Structure Preparation
Water No
Procedure Auto-FMO protocol ver. 2.20220422
Remarks
FMO calculation
FMO method FMO2-MP2/6-31G(d)
Fragmentation Auto
Number of fragment 226
LigandResidueName
LigandFragmentNumber 0
LigandCharge
Software ABINIT-MP - Open Ver. 1 Rev. 23Q2 / 20200603(SMP)
Total energy (hartree)
FMO2-HF: Electronic energy -930298.584436
FMO2-HF: Nuclear repulsion 882269.64286
FMO2-HF: Total energy -48028.941577
FMO2-MP2: Total energy -48165.453518


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:88:ASN)


Summations of interaction energy for fragment #1(A:88:ASN)
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.
-2.913-0.661-0.027-1.227-0.9990
Interaction energy analysis for fragmet #1(A:88:ASN)
Snapshot

IFIE Diagram

Base fragment(s) of PIEDA/IFIE
Single fragment Multi fragments
Fragment list
Charge [e] FCHARGE : 0 / q_Mulliken : 0.119 / q_NPA : 0.059
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].
4A90LYS0-0.051-0.0083.812-2.185-0.260-0.030-1.072-0.823-0.001
5A90LYS10.8811.0644.096-1.860-1.5330.003-0.155-0.1760.001
6A91LEU00.091-0.1006.218-0.015-0.0150.0000.0000.0000.000
7A91LEU0-0.0290.1299.110-0.013-0.0130.0000.0000.0000.000
8A92ARG00.132-0.0518.3570.2350.2350.0000.0000.0000.000
9A92ARG10.7951.0509.194-0.040-0.0400.0000.0000.0000.000
10A93ILE00.072-0.11210.2120.0410.0410.0000.0000.0000.000
11A93ILE0-0.0400.15514.0850.0030.0030.0000.0000.0000.000
12A94GLU00.115-0.13011.770-0.100-0.1000.0000.0000.0000.000
13A94GLU-1-0.853-0.76210.7290.5850.5850.0000.0000.0000.000
14A95ASP00.137-0.11510.078-0.014-0.0140.0000.0000.0000.000
15A95ASP-1-1.031-0.8597.7290.8700.8700.0000.0000.0000.000
16A96ALA0-0.005-0.11111.280-0.060-0.0600.0000.0000.0000.000
17A96ALA0-0.0680.10114.024-0.012-0.0120.0000.0000.0000.000
18A97SER00.036-0.09514.331-0.049-0.0490.0000.0000.0000.000
19A97SER0-0.0420.05815.702-0.009-0.0090.0000.0000.0000.000
20A98HIS00.100-0.07214.032-0.045-0.0450.0000.0000.0000.000
21A98HIS0-0.0970.08212.114-0.020-0.0200.0000.0000.0000.000
22A99ASN00.088-0.06014.710-0.019-0.0190.0000.0000.0000.000
23A99ASN0-0.1090.05812.249-0.016-0.0160.0000.0000.0000.000
24A100ALA00.120-0.11016.159-0.023-0.0230.0000.0000.0000.000
25A100ALA0-0.0390.12519.143-0.002-0.0020.0000.0000.0000.000
26A101ARG00.124-0.07318.753-0.026-0.0260.0000.0000.0000.000
27A101ARG10.7270.98517.789-0.261-0.2610.0000.0000.0000.000
28A102LYS00.037-0.09418.660-0.012-0.0120.0000.0000.0000.000
29A102LYS10.7500.99614.208-0.238-0.2380.0000.0000.0000.000
30A103LEU0-0.026-0.11819.920-0.010-0.0100.0000.0000.0000.000
31A103LEU0-0.0830.09320.021-0.004-0.0040.0000.0000.0000.000
32A104GLY0-0.001-0.10122.281-0.015-0.0150.0000.0000.0000.000
33A105LEU00.013-0.00823.411-0.008-0.0080.0000.0000.0000.000
34A105LEU0-0.0710.09823.0520.0010.0010.0000.0000.0000.000
35A106ALA00.109-0.12823.1540.0170.0170.0000.0000.0000.000
36A106ALA0-0.0830.11825.072-0.001-0.0010.0000.0000.0000.000
37A107PRO0-0.039-0.10919.824-0.009-0.0090.0000.0000.0000.000
38A108SER00.0240.02322.6540.0250.0250.0000.0000.0000.000
39A108SER0-0.0180.07826.179-0.002-0.0020.0000.0000.0000.000
40A109SER00.133-0.05022.7270.0090.0090.0000.0000.0000.000
41A109SER0-0.0330.07723.793-0.003-0.0030.0000.0000.0000.000
42A110THR0-0.048-0.12123.3770.0100.0100.0000.0000.0000.000
43A110THR00.0470.08627.2630.0000.0000.0000.0000.0000.000
44A111ASP00.095-0.11923.769-0.008-0.0080.0000.0000.0000.000
45A111ASP-1-0.770-0.72223.0760.1170.1170.0000.0000.0000.000
46A112GLU00.120-0.08819.955-0.018-0.0180.0000.0000.0000.000
47A112GLU-1-0.895-0.76718.6690.2940.2940.0000.0000.0000.000
48A113LYS00.000-0.12219.9450.0120.0120.0000.0000.0000.000
49A113LYS10.8151.03122.847-0.149-0.1490.0000.0000.0000.000
50A114LYS00.074-0.06422.419-0.006-0.0060.0000.0000.0000.000
51A114LYS10.7900.98024.356-0.073-0.0730.0000.0000.0000.000
52A115ILE00.108-0.07220.322-0.018-0.0180.0000.0000.0000.000
53A115ILE0-0.1110.09718.4660.0010.0010.0000.0000.0000.000
54A116ARG00.092-0.07718.503-0.023-0.0230.0000.0000.0000.000
55A116ARG10.7170.96114.001-0.318-0.3180.0000.0000.0000.000
56A117ASP00.074-0.12319.361-0.013-0.0130.0000.0000.0000.000
57A117ASP-1-1.029-0.85323.7080.0830.0830.0000.0000.0000.000
58A118LEU00.010-0.11722.303-0.015-0.0150.0000.0000.0000.000
59A118LEU0-0.1070.08622.308-0.001-0.0010.0000.0000.0000.000
60A119TYR0-0.034-0.10719.227-0.019-0.0190.0000.0000.0000.000
61A119TYR0-0.0730.06918.558-0.006-0.0060.0000.0000.0000.000
62A120GLY00.088-0.07217.217-0.022-0.0220.0000.0000.0000.000
63A121ASP00.1270.00313.5340.0340.0340.0000.0000.0000.000
64A121ASP-1-0.937-0.83712.511-0.051-0.0510.0000.0000.0000.000
65A122SER00.012-0.09511.6600.1300.1300.0000.0000.0000.000
66A122SER0-0.0800.04210.803-0.057-0.0570.0000.0000.0000.000
67A123LEU00.078-0.10312.794-0.020-0.0200.0000.0000.0000.000
68A123LEU0-0.0650.10914.5620.0050.0050.0000.0000.0000.000
69A124THR00.024-0.09113.610-0.034-0.0340.0000.0000.0000.000
70A124THR00.0090.07615.9040.0090.0090.0000.0000.0000.000
71A125TYR00.113-0.06716.0190.0330.0330.0000.0000.0000.000
72A125TYR0-0.0700.09515.935-0.001-0.0010.0000.0000.0000.000
73A126GLU00.074-0.14117.3320.0240.0240.0000.0000.0000.000
74A126GLU-1-0.967-0.83621.144-0.075-0.0750.0000.0000.0000.000
75A127GLN00.081-0.09219.0970.0140.0140.0000.0000.0000.000
76A127GLN0-0.0350.11817.741-0.012-0.0120.0000.0000.0000.000
77A128TYR00.104-0.04217.1500.0200.0200.0000.0000.0000.000
78A128TYR0-0.1480.05016.2140.0090.0090.0000.0000.0000.000
79A129LEU00.053-0.11818.3150.0220.0220.0000.0000.0000.000
80A129LEU0-0.0650.09420.832-0.002-0.0020.0000.0000.0000.000
81A130GLU00.108-0.10121.7050.0100.0100.0000.0000.0000.000
82A130GLU-1-1.009-0.84622.6410.0040.0040.0000.0000.0000.000
83A131TYR00.067-0.06820.1510.0010.0010.0000.0000.0000.000
84A131TYR0-0.0810.06117.695-0.005-0.0050.0000.0000.0000.000
85A132LEU00.040-0.10921.6560.0120.0120.0000.0000.0000.000
86A132LEU0-0.0950.08220.0470.0010.0010.0000.0000.0000.000
87A133THR00.052-0.08422.9830.0070.0070.0000.0000.0000.000
88A133THR0-0.0470.07325.417-0.002-0.0020.0000.0000.0000.000
89A134MET00.134-0.07225.196-0.003-0.0030.0000.0000.0000.000
90A134MET0-0.1460.08823.630-0.001-0.0010.0000.0000.0000.000
91A135CYS00.100-0.09224.667-0.002-0.0020.0000.0000.0000.000
92A135CYS0-0.1890.04923.2590.0060.0060.0000.0000.0000.000
93A136VAL00.049-0.09325.8330.0040.0040.0000.0000.0000.000
94A136VAL0-0.0910.08326.8480.0000.0000.0000.0000.0000.000
95A137HIS00.156-0.05828.6950.0000.0000.0000.0000.0000.000
96A137HIS0-0.1470.04629.764-0.003-0.0030.0000.0000.0000.000
97A138ASP00.066-0.10429.041-0.006-0.0060.0000.0000.0000.000
98A138ASP-1-0.912-0.79728.1560.0740.0740.0000.0000.0000.000
99A139ARG00.122-0.06029.8420.0000.0000.0000.0000.0000.000
100A139ARG10.8531.04728.053-0.086-0.0860.0000.0000.0000.000
101A140ASP00.085-0.11531.2820.0010.0010.0000.0000.0000.000
102A140ASP-1-1.031-0.85433.5940.0490.0490.0000.0000.0000.000
103A141ASN00.093-0.08833.601-0.003-0.0030.0000.0000.0000.000
104A141ASN0-0.0730.09433.556-0.003-0.0030.0000.0000.0000.000
105A142MET00.080-0.11733.820-0.005-0.0050.0000.0000.0000.000
106A142MET0-0.1110.12632.562-0.001-0.0010.0000.0000.0000.000
107A143GLU00.109-0.12635.1050.0000.0000.0000.0000.0000.000
108A143GLU-1-1.015-0.84436.1170.0600.0600.0000.0000.0000.000
109A144GLU00.085-0.11037.453-0.002-0.0020.0000.0000.0000.000
110A144GLU-1-0.846-0.76738.8260.0340.0340.0000.0000.0000.000
111A145LEU00.023-0.14438.568-0.004-0.0040.0000.0000.0000.000
112A145LEU0-0.0610.12336.6580.0000.0000.0000.0000.0000.000
113A146ILE00.065-0.10839.063-0.002-0.0020.0000.0000.0000.000
114A146ILE0-0.0370.13337.7030.0000.0000.0000.0000.0000.000
115A147LYS00.069-0.09940.4220.0000.0000.0000.0000.0000.000
116A147LYS10.7050.99442.386-0.035-0.0350.0000.0000.0000.000
117A148MET00.061-0.13743.065-0.002-0.0020.0000.0000.0000.000
118A148MET0-0.1030.09943.299-0.001-0.0010.0000.0000.0000.000
119A149PHE0-0.022-0.14642.976-0.003-0.0030.0000.0000.0000.000
120A149PHE0-0.0350.09838.6740.0000.0000.0000.0000.0000.000
121A150SER00.043-0.08044.2840.0000.0000.0000.0000.0000.000
122A150SER0-0.0780.03843.8050.0010.0010.0000.0000.0000.000
123A151HIS00.110-0.03546.162-0.001-0.0010.0000.0000.0000.000
124A151HIS0-0.1400.05448.199-0.002-0.0020.0000.0000.0000.000
125A152PHE00.050-0.08048.189-0.002-0.0020.0000.0000.0000.000
126A152PHE0-0.1440.05447.560-0.001-0.0010.0000.0000.0000.000
127A153ASP00.142-0.09348.278-0.001-0.0010.0000.0000.0000.000
128A153ASP-1-0.860-0.74047.4490.0460.0460.0000.0000.0000.000
129A154ASN00.139-0.02649.5530.0000.0000.0000.0000.0000.000
130A154ASN0-0.1710.01553.8970.0000.0000.0000.0000.0000.000
131A155ASN00.094-0.04153.2460.0000.0000.0000.0000.0000.000
132A155ASN0-0.1440.02953.3590.0010.0010.0000.0000.0000.000
133A156SER00.058-0.08949.9500.0000.0000.0000.0000.0000.000
134A156SER0-0.0960.05449.6780.0000.0000.0000.0000.0000.000
135A157SER00.034-0.10549.6250.0010.0010.0000.0000.0000.000
136A157SER0-0.0520.06249.1660.0000.0000.0000.0000.0000.000
137A158GLY0-0.036-0.10345.4170.0020.0020.0000.0000.0000.000
138A159PHE00.046-0.00944.1370.0030.0030.0000.0000.0000.000
139A159PHE0-0.1260.07743.8790.0000.0000.0000.0000.0000.000
140A160LEU00.075-0.11144.993-0.003-0.0030.0000.0000.0000.000
141A160LEU0-0.0840.10845.0930.0000.0000.0000.0000.0000.000
142A161THR00.059-0.05545.2650.0030.0030.0000.0000.0000.000
143A161THR0-0.0370.03847.896-0.001-0.0010.0000.0000.0000.000
144A162LYS00.160-0.05843.3790.0000.0000.0000.0000.0000.000
145A162LYS10.8021.05140.788-0.062-0.0620.0000.0000.0000.000
146A163ASN00.106-0.04644.1960.0000.0000.0000.0000.0000.000
147A163ASN0-0.0870.06248.0390.0000.0000.0000.0000.0000.000
148A164GLN00.048-0.10846.778-0.002-0.0020.0000.0000.0000.000
149A164GLN0-0.0230.10747.2640.0010.0010.0000.0000.0000.000
150A165MET00.091-0.11442.595-0.003-0.0030.0000.0000.0000.000
151A165MET0-0.0890.13241.5090.0010.0010.0000.0000.0000.000
152A166LYS00.131-0.05942.1470.0010.0010.0000.0000.0000.000
153A166LYS10.7691.02742.658-0.036-0.0360.0000.0000.0000.000
154A167ASN00.061-0.04943.211-0.001-0.0010.0000.0000.0000.000
155A167ASN0-0.1250.04147.4360.0000.0000.0000.0000.0000.000
156A168ILE00.115-0.05344.232-0.003-0.0030.0000.0000.0000.000
157A168ILE0-0.0990.07642.3680.0000.0000.0000.0000.0000.000
158A169LEU00.070-0.11439.994-0.002-0.0020.0000.0000.0000.000
159A169LEU0-0.0640.08737.4990.0010.0010.0000.0000.0000.000
160A170THR00.017-0.05440.1740.0010.0010.0000.0000.0000.000
161A170THR0-0.1150.02441.411-0.001-0.0010.0000.0000.0000.000
162A171THR0-0.002-0.05142.291-0.002-0.0020.0000.0000.0000.000
163A171THR0-0.0900.04345.388-0.001-0.0010.0000.0000.0000.000
164A172TRP00.026-0.09742.922-0.003-0.0030.0000.0000.0000.000
165A172TRP0-0.0780.05943.0520.0000.0000.0000.0000.0000.000
166A173GLY00.069-0.07839.1110.0020.0020.0000.0000.0000.000
167A174ASP00.0370.00035.817-0.004-0.0040.0000.0000.0000.000
168A174ASP-1-0.955-0.84134.6680.0390.0390.0000.0000.0000.000
169A175ALA00.138-0.09336.8040.0040.0040.0000.0000.0000.000
170A175ALA0-0.1250.10440.687-0.001-0.0010.0000.0000.0000.000
171A176LEU00.054-0.11536.988-0.002-0.0020.0000.0000.0000.000
172A176LEU0-0.0800.09934.3000.0010.0010.0000.0000.0000.000
173A177THR00.067-0.07537.498-0.003-0.0030.0000.0000.0000.000
174A177THR0-0.1040.00537.1660.0000.0000.0000.0000.0000.000
175A178GLU00.150-0.09339.1630.0040.0040.0000.0000.0000.000
176A178GLU-1-1.002-0.85642.9610.0320.0320.0000.0000.0000.000
177A179GLN00.023-0.12138.7730.0030.0030.0000.0000.0000.000
178A179GLN0-0.0970.08036.516-0.004-0.0040.0000.0000.0000.000
179A180GLU00.095-0.12135.3780.0030.0030.0000.0000.0000.000
180A180GLU-1-0.851-0.73933.7360.0450.0450.0000.0000.0000.000
181A181ALA00.097-0.05135.7210.0070.0070.0000.0000.0000.000
182A181ALA0-0.0910.08739.423-0.001-0.0010.0000.0000.0000.000
183A182ASN00.032-0.07837.6960.0050.0050.0000.0000.0000.000
184A182ASN0-0.1220.03240.9910.0010.0010.0000.0000.0000.000
185A183ASP00.113-0.10835.8010.0010.0010.0000.0000.0000.000
186A183ASP-1-0.971-0.82533.7130.0700.0700.0000.0000.0000.000
187A184ALA00.086-0.11233.7190.0060.0060.0000.0000.0000.000
188A184ALA0-0.0490.12333.7890.0000.0000.0000.0000.0000.000
189A185LEU00.026-0.12534.6570.0060.0060.0000.0000.0000.000
190A185LEU0-0.0970.08938.351-0.001-0.0010.0000.0000.0000.000
191A186ASN00.045-0.07937.6540.0020.0020.0000.0000.0000.000
192A186ASN0-0.1120.06437.999-0.001-0.0010.0000.0000.0000.000
193A187ALA00.134-0.09433.066-0.001-0.0010.0000.0000.0000.000
194A187ALA0-0.0700.11032.1350.0010.0010.0000.0000.0000.000
195A188PHE00.083-0.06833.7870.0070.0070.0000.0000.0000.000
196A188PHE0-0.1250.07233.725-0.002-0.0020.0000.0000.0000.000
197A189SER0-0.046-0.07435.3000.0010.0010.0000.0000.0000.000
198A189SER0-0.0680.01237.533-0.002-0.0020.0000.0000.0000.000
199A190SER00.074-0.00938.7140.0000.0000.0000.0000.0000.000
200A190SER0-0.0490.03439.3180.0010.0010.0000.0000.0000.000
201A191GLU00.068-0.12740.703-0.003-0.0030.0000.0000.0000.000
202A191GLU-1-1.018-0.85943.1770.0580.0580.0000.0000.0000.000
203A192ASP00.036-0.11442.8710.0020.0020.0000.0000.0000.000
204A192ASP-1-0.942-0.86946.7360.0460.0460.0000.0000.0000.000
205A193ARG00.065-0.08844.922-0.001-0.0010.0000.0000.0000.000
206A193ARG10.8671.04646.543-0.044-0.0440.0000.0000.0000.000
207A194ILE00.074-0.08341.3670.0020.0020.0000.0000.0000.000
208A194ILE0-0.0470.11039.3050.0000.0000.0000.0000.0000.000
209A195ASN00.171-0.06440.958-0.004-0.0040.0000.0000.0000.000
210A195ASN0-0.1120.07740.024-0.001-0.0010.0000.0000.0000.000
211A196TYR00.131-0.09539.2090.0050.0050.0000.0000.0000.000
212A196TYR0-0.1280.04240.6920.0000.0000.0000.0000.0000.000
213A197LYS00.031-0.07438.3790.0010.0010.0000.0000.0000.000
214A197LYS10.8751.04939.240-0.056-0.0560.0000.0000.0000.000
215A198LEU00.210-0.03435.8000.0020.0020.0000.0000.0000.000
216A198LEU0-0.1400.07234.051-0.001-0.0010.0000.0000.0000.000
217A199PHE00.094-0.07634.3750.0070.0070.0000.0000.0000.000
218A199PHE0-0.1030.05935.133-0.002-0.0020.0000.0000.0000.000
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