Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2003 by Universidad Católica de Valparaíso -- Chile
Vol. 6 No. 1, Issue of April 15, 2003
 


Table 1. Functions and residue sequence position comparisons table for functionally important amino acid residues in subunits of the cytochrome c oxidase from P. denitrificans, bovine heart mitochondria and predicted protein sequence from B. pseudomallei.

-

Residue position

- -

Residue

P. denitrificans

Bovine heart mitochondria

T. thermophilus

B. pseudomallei

Heme ligands

a

a3

His

His

His

94

413

411

61

378

376

72

24

339

337

CuB ligands

-

His*

His

His

276

325

326

240

290

291

233

282

283

186

235

236

Proton pathways

K-pathway

Thr

Tyr*

351

280

316

244

309 (Ser)

237

262

190

Electron transfer

CuA           heme a

Arg

Arg

473

474

438

439

450

451

400

401

heme         heme a3

Phe

412

377

385

338

*Tyrosine is covalently bound to a CuB histidine ligand.

 


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