
FMODB ID: MVZJZ
Calculation Name: 3BG4-D-Xray372
Preferred Name: Alpha-chymotrypsin
Target Type: SINGLE PROTEIN
Ligand Name:
ligand 3-letter code:
PDB ID: 3BG4
Chain ID: D
ChEMBL ID: CHEMBL3314
UniProt ID: P00766
Base Structure: X-ray
Registration Date: 2023-06-26
Reference: C. Watanabe, N. Tani, K. Kamisaka, T. Honma et al., Interaction energy analysis of Apo structure dataset on FMODB, To be published.
Apendix: None
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 |
FMO calculation
FMO method | FMO2-MP2/6-31G(d) |
---|---|
Fragmentation | Auto |
Number of fragment | 41 |
LigandResidueName | |
LigandFragmentNumber | 0 |
LigandCharge | |
Software | ABINIT-MP - Open Ver. 1 Rev. 22 / 20200603(SMP) |
Total energy (hartree)
FMO2-HF: Electronic energy | -188816.03948 |
---|---|
FMO2-HF: Nuclear repulsion | 168589.124542 |
FMO2-HF: Total energy | -20226.914938 |
FMO2-MP2: Total energy | -20275.470991 |
3D Structure
Ligand structure

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/A | N/A | N/A | N/A | N/A | N/A |
Interactive mode: IFIE and PIEDA for fragment #1(D:12:CYS)
Summations of interaction energy for
fragment #1(D:12:CYS)
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. |
-26.992 | -12.089 | 19.137 | -11.923 | -22.118 | -0.01 |
Interaction energy analysis for fragmet #1(D:12:CYS)
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]. |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
3 | D | 14 | GLU | -1 | -0.998 | -0.986 | 3.676 | -4.136 | -2.274 | -0.008 | -0.867 | -0.988 | 0.007 |
4 | D | 15 | LYS | 1 | 0.910 | 0.932 | 3.796 | -1.764 | -1.331 | -0.001 | -0.070 | -0.362 | 0.000 |
5 | D | 16 | THR | 0 | 0.008 | 0.004 | 2.670 | -6.801 | -4.642 | 0.686 | -1.445 | -1.400 | -0.018 |
6 | D | 17 | CYS | 0 | -0.142 | -0.055 | 2.527 | -3.240 | 0.650 | 10.387 | -4.668 | -9.610 | -0.012 |
7 | D | 18 | SER | 0 | 0.022 | -0.009 | 5.038 | -0.764 | -0.734 | -0.002 | -0.014 | -0.014 | 0.000 |
8 | D | 19 | PRO | 0 | 0.002 | -0.016 | 6.260 | -0.695 | -0.695 | 0.000 | 0.000 | 0.000 | 0.000 |
9 | D | 20 | ALA | 0 | -0.058 | -0.005 | 6.860 | -1.055 | -1.055 | 0.000 | 0.000 | 0.000 | 0.000 |
10 | D | 21 | GLN | 0 | -0.030 | -0.029 | 3.497 | -1.320 | 1.830 | -0.003 | -1.605 | -1.541 | -0.007 |
13 | D | 25 | ASN | 0 | -0.045 | -0.025 | 3.785 | -1.037 | 1.390 | -0.040 | -1.043 | -1.344 | 0.003 |
14 | D | 26 | ASN | 0 | -0.023 | -0.013 | 3.140 | -1.391 | -0.639 | 1.275 | -0.652 | -1.376 | -0.001 |
15 | D | 27 | GLU | -1 | -0.819 | -0.915 | 3.387 | 2.554 | 2.572 | 2.399 | -0.043 | -2.374 | -0.010 |
16 | D | 29 | ALA | 0 | 0.071 | 0.035 | 2.102 | -10.171 | -10.991 | 4.163 | -1.188 | -2.154 | 0.028 |
17 | D | 30 | CYS | 0 | -0.058 | -0.014 | 3.247 | -0.359 | 0.532 | 0.285 | -0.322 | -0.854 | 0.000 |
18 | D | 31 | THR | 0 | 0.058 | 0.037 | 4.797 | 0.050 | 0.116 | -0.002 | -0.007 | -0.057 | 0.000 |
19 | D | 32 | ALA | 0 | -0.002 | 0.006 | 5.789 | 0.637 | 0.682 | -0.002 | 0.001 | -0.044 | 0.000 |
20 | D | 33 | ILE | 0 | -0.024 | -0.014 | 8.230 | 0.082 | 0.082 | 0.000 | 0.000 | 0.000 | 0.000 |
21 | D | 34 | ARG | 1 | 0.830 | 0.886 | 9.613 | 0.148 | 0.148 | 0.000 | 0.000 | 0.000 | 0.000 |
22 | D | 35 | CYS | 0 | -0.032 | -0.020 | 11.141 | 0.120 | 0.120 | 0.000 | 0.000 | 0.000 | 0.000 |
23 | D | 36 | MET | 0 | 0.004 | 0.016 | 15.811 | 0.096 | 0.096 | 0.000 | 0.000 | 0.000 | 0.000 |
24 | D | 37 | ILE | 0 | -0.040 | -0.032 | 17.918 | 0.037 | 0.037 | 0.000 | 0.000 | 0.000 | 0.000 |
25 | D | 38 | PHE | 0 | 0.036 | 0.010 | 19.983 | 0.019 | 0.019 | 0.000 | 0.000 | 0.000 | 0.000 |
26 | D | 39 | CYS | 0 | 0.033 | 0.038 | 15.970 | 0.009 | 0.009 | 0.000 | 0.000 | 0.000 | 0.000 |
27 | D | 40 | PRO | 0 | 0.003 | 0.002 | 21.949 | 0.033 | 0.033 | 0.000 | 0.000 | 0.000 | 0.000 |
28 | D | 41 | ASN | 0 | -0.028 | -0.009 | 22.774 | 0.035 | 0.035 | 0.000 | 0.000 | 0.000 | 0.000 |
29 | D | 42 | GLY | 0 | 0.041 | 0.024 | 19.738 | 0.035 | 0.035 | 0.000 | 0.000 | 0.000 | 0.000 |
30 | D | 43 | PHE | 0 | -0.015 | -0.022 | 14.457 | -0.053 | -0.053 | 0.000 | 0.000 | 0.000 | 0.000 |
31 | D | 44 | LYS | 1 | 0.843 | 0.921 | 15.063 | 0.285 | 0.285 | 0.000 | 0.000 | 0.000 | 0.000 |
32 | D | 45 | VAL | 0 | 0.022 | 0.017 | 13.468 | -0.063 | -0.063 | 0.000 | 0.000 | 0.000 | 0.000 |
33 | D | 46 | ASP | -1 | -0.766 | -0.878 | 8.829 | 0.805 | 0.805 | 0.000 | 0.000 | 0.000 | 0.000 |
34 | D | 47 | GLU | -1 | -0.953 | -0.979 | 12.347 | 0.731 | 0.731 | 0.000 | 0.000 | 0.000 | 0.000 |
35 | D | 48 | ASN | 0 | -0.053 | -0.033 | 8.916 | 0.046 | 0.046 | 0.000 | 0.000 | 0.000 | 0.000 |
36 | D | 49 | GLY | 0 | -0.009 | -0.003 | 11.117 | 0.288 | 0.288 | 0.000 | 0.000 | 0.000 | 0.000 |
37 | D | 51 | GLU | -1 | -0.799 | -0.884 | 10.107 | -0.128 | -0.128 | 0.000 | 0.000 | 0.000 | 0.000 |
38 | D | 52 | TYR | 0 | 0.009 | -0.015 | 9.588 | -0.247 | -0.247 | 0.000 | 0.000 | 0.000 | 0.000 |
39 | D | 53 | PRO | 0 | -0.008 | 0.005 | 8.545 | 0.173 | 0.173 | 0.000 | 0.000 | 0.000 | 0.000 |
40 | D | 55 | THR | 0 | 0.016 | 0.016 | 13.798 | 0.076 | 0.076 | 0.000 | 0.000 | 0.000 | 0.000 |
41 | D | 57 | ALA | 0 | 0.026 | 0.024 | 18.734 | -0.027 | -0.027 | 0.000 | 0.000 | 0.000 | 0.000 |