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Table 7 Gibbs free energies

From: Can molecular dynamics simulations help in discriminating correct from erroneous protein 3D models?

   

Energy of the protein

Energy protein-solvent

   

Class

Model

Nres

E 0

E ¯ MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGacaGaaiaabeqaaeqabiWaaaGcbaGafmyrauKbaebaaaa@2CFE@

σ E

E 0

E ¯ MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGacaGaaiaabeqaaeqabiWaaaGcbaGafmyrauKbaebaaaa@2CFE@

σ E

TS

G*

G 0 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGacaGaaiaabeqaaeqabiWaaaGcbaGaem4raC0aa0baaSqaaiabicdaWaqaaiabgEHiQaaaaaa@2EF4@

all-α

NS0

105

-5 739

-5 316

345

-18 266

-17 123

672

1 157

-23 596

-24 019

 

ST1

105

-4 002

-4 536

424

-20 587

-18 616

827

1 245

-24 397

-23 863

 

ST2

91

-4 719

-4 892

335

-15 330

-15 354

636

1 119

-

-

 

ST3

104

-3 041

-4 745

543

-21 442

-17 646

1 026

1 325

-23 716

-22 012

 

DT1

105

-2 379

-4 627

400

-23 278

-17 894

798

1 483

-24 004

-21 756

 

DT2

105

-5 018

-5 755

289

-16 742

-15 625

509

1 337

-22 717

-21 980

all-β

NS0

106

-6 018

-5 159

383

-15 237

-15 023

757

1 193

-21 375

-22 448

 

ST1

106

-3 932

-4 836

333

-18 562

-15 585

657

1 274

-21 695

-23 768

 

ST2

104

-2 828

-3 651

404

-18 910

-16 835

779

1 315

-21 801

-23 053

 

DT1b

98

-3 068

-3 621

355

-17 127

-15 244

681

1 368

-

-

 

DT1a

112

-3 301

-5 385

468

-19 417

-15 484

843

1 304

-

-

 

DT2

106

-3 483

-4 426

374

-18 988

-16 233

704

1 185

-21 844

-23 656

αβ

NS0

260

-16 963

-13 912

452

-28 307

-30 284

826

2 339

-46 535

-49 586

 

ST1

260

-11 223

-11 888

503

-36 671

-33 328

991

2 534

-47 750

-47 085

 

ST2

260

-6 735

-9 817

911

-42 134

-36 954

1 625

2 731

-49 502

-46 420

 

ST3

200

-6 774

-8 629

445

-28 844

-25 728

790

2 104

-

-

 

DT1

196

-2 578

-5 515

907

-40 953

-34 756

1 653

2 382

-

-

 

DT2

260

-8 369

-10 391

655

-40 331

-35 703

1 145

2 716

-48 810

-46 788

  1. E0 is the energy for the initial conformation at t = 0; E ¯ MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGacaGaaiaabeqaaeqabiWaaaGcbaGafmyrauKbaebaaaa@2CFE@ is the mean energy along the trajectory at T = 300 K;σ E is the corresponding standard deviation. Column 3 is the number of residues in the model. Columns 4–6 correspond to the intramolecular protein energy, columns 7–9 correspond to the interaction energy of the protein with the solvent. Column 10 is the entropic contribution. Column 11, G* is the approximation of the Gibbs free energy (see text). Column 12, E ¯ MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGacaGaaiaabeqaaeqabiWaaaGcbaGafmyrauKbaebaaaa@2CFE@ is similar to G* except that it is computed using the protein is similar to G term E0 instead of G 0 MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGacaGaaiaabeqaaeqabiWaaaGcbaGaem4raC0aa0baaSqaaiabicdaWaqaaiabgEHiQaaaaaa@2EF4@ . The Gibbs free energy is not computed for models for which the number of residues differs by more than a couple of residues from the query sequence length. All figures are in kJ/mol.