ID   7.2.1.3
DE   ascorbate ferrireductase (transmembrane).
AN   cytochrome b561.
CA   Fe(3+)(out) + L-ascorbate(in) = monodehydro-L-ascorbate radical(in) +
CA   Fe(2+)(out) + H(+).
CC   -!- A diheme cytochrome that transfers electrons across a single
CC       membrane, such as the outer membrane of the enterocyte, or the
CC       tonoplast membrane of the plant cell vacuole.
CC   -!- Acts on hexacyanoferrate(III) and other ferric chelates.
CC   -!- Formerly EC 1.16.5.1.
DR   Q8L856, ACFR1_ARATH;  Q9SWS1, ACFR2_ARATH;  Q67ZF6, ACFR3_ARATH;
DR   Q9C540, ACFR4_ARATH;  Q8N8Q1, C56D1_HUMAN;  A2AE42, C56D1_MOUSE;
DR   Q5E965, C56D2_BOVIN;  O14569, C56D2_HUMAN;  Q9WUE3, C56D2_MOUSE;
DR   Q641Y1, C56D2_RAT  ;  P10897, CY561_BOVIN;  P49447, CY561_HUMAN;
DR   Q60720, CY561_MOUSE;  Q5D8X4, CY561_SCHJA;  A5D9A7, CYAC3_BOVIN;
DR   A3KPR5, CYAC3_DANRE;  Q8NBI2, CYAC3_HUMAN;  Q6P1H1, CYAC3_MOUSE;
DR   Q5U2W7, CYAC3_RAT  ;  Q503V1, CYBR1_DANRE;  Q53TN4, CYBR1_HUMAN;
DR   Q925G2, CYBR1_MOUSE;  Q5RAJ4, CYBR1_PONAB;  Q5RKJ2, CYBR1_RAT  ;
DR   Q6DDR3, CYBR1_XENLA;  Q5CZL8, CYBR1_XENTR;
//