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: Q58GY

Calculation Name: 1MCT-I-Xray547

Preferred Name:

Target Type:

Ligand Name: calcium ion

Ligand 3-letter code: CA

Ligand of Interest (LOI):

Structure Source: PDB

PDB ID: 1MCT

Chain ID: I

ChEMBL ID:

UniProt ID: P30709

Base Structure: X-ray

Registration Date: 2025-10-06

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 25
LigandResidueName
LigandFragmentNumber 0
LigandCharge
Software ABINIT-MP - Open Ver. 1 Rev. 23 (BINDS Ver. 1) / 20230922
Total energy (hartree)
FMO2-HF: Electronic energy -100643.01404
FMO2-HF: Nuclear repulsion 87532.413842
FMO2-HF: Total energy -13110.600198
FMO2-MP2: Total energy -13141.409916


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(I:1:ARG)


Summations of interaction energy for fragment #1(I:1:ARG)
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.
-238.347-248.60560.488-23.363-26.868-0.274
Interaction energy analysis for fragmet #1(I:1:ARG)
Snapshot

IFIE Diagram

Base fragment(s) of PIEDA/IFIE
Single fragment Multi fragments
Fragment list
Charge [e] FCHARGE : 2 / q_Mulliken : 1.620 / q_NPA : 1.763
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].
3I3CYS0-0.075-0.0101.875-56.706-60.99425.247-10.911-10.048-0.097
4I4PRO00.010-0.0044.3785.8165.9130.000-0.025-0.0720.000
10I10CYS0-0.062-0.0254.7280.4230.537-0.002-0.009-0.1040.000
19I19LYS00.0460.0472.297-12.151-10.0985.365-3.349-4.069-0.025
20I21ILE00.0110.0082.5179.0588.8342.1931.909-3.878-0.005
21I23VAL0-0.011-0.0014.6213.7273.820-0.001-0.003-0.0890.000
25I28GLY-1-0.780-0.8541.846-186.814-194.91727.686-10.975-8.608-0.147
5I5ARG10.9580.9837.25562.61962.6190.0000.0000.0000.000
6I6ILE00.0020.0049.0354.7324.7320.0000.0000.0000.000
7I7TRP0-0.0040.0039.551-3.752-3.7520.0000.0000.0000.000
8I8MET00.019-0.0029.5811.1361.1360.0000.0000.0000.000
9I9GLU-1-0.902-0.95310.551-36.878-36.8780.0000.0000.0000.000
11I11THR0-0.060-0.03212.1602.0892.0890.0000.0000.0000.000
12I12ARG10.9230.95511.89437.26737.2670.0000.0000.0000.000
13I13ASP-1-0.810-0.9146.781-66.415-66.4150.0000.0000.0000.000
14I14SER0-0.058-0.0338.227-2.568-2.5680.0000.0000.0000.000
15I15ASP-1-0.760-0.87610.766-39.496-39.4960.0000.0000.0000.000
16I16CYS0-0.0270.0025.922-1.476-1.4760.0000.0000.0000.000
17I17MET00.0160.0077.7120.7710.7710.0000.0000.0000.000
18I18ALA0-0.006-0.0175.735-10.206-10.2060.0000.0000.0000.000
22I24ALA0-0.024-0.0217.6453.1443.1440.0000.0000.0000.000
23I25GLY00.0420.02911.4092.3142.3140.0000.0000.0000.000
24I26HIS10.8490.9129.60845.01945.0190.0000.0000.0000.000