ABSTRACT
Protein (source) EPR ^m ax(nm ) e(M 'em ') ^max(nm) e(M 'em ') K E°( mV)6 Ref.
Plastocyanin (spinach) Axial 460 590 597 4900 0.12 366 273 Amicyanin (P. denitrificans) Axial 464 520 595 4610 0.11 294 62 Pseudoazurin (A. faecalis) Rhombic 450 1180 593 2100 0.41 270 77 Halocyanin (N. pharaonis) Axial 460 420 600 4190 0.10 183 199 Auracyanin A (C. aurantiacus) Rhombic 454 900 596 3000 0.30 240 196 Azurin (A. denitrificans) Axial 460 580 619 5100 0.11 276 273 Rusticyanin {T. ferroxidans) Rhombic 445 1000 600 2100 0.47 680 110 CBP (C. sativus) Rhombic 448 1240 593 2900 0.43 306 273 Stellacyanin (R. vernificera) Rhombic 450 1100 608 4080 0.27 187 131 Umecyanin (horseradish) Axial 451 460 606 3400 0.13 290 127 Mavicyanin (zucchini) Rhombic 448 810 599 4000 0.19 285 125 Uclacyanin (A. thaliana) Axial 450 1000 600 3150 0.32 320 118 Cu-NiR (A. cycloclastes) Rhombic 458 2530 585 1890 1.34 247 156
aRe —(e45o/86oo) 6All redox potential values were measured at 25°C and pH 7.0, except those of rusticyanin (pH 3.2) and auracyanin (pH 8.0).
