ENZYME entry: EC 1.7.2.2

Accepted Name
Nitrite reductase (cytochrome; ammonia-forming).
Alternative Name(s)
Cytochrome c nitrite reductase.
Cytochrome c552.
Multiheme nitrite reductase.
Reaction catalysed
NH(3) + 2 H(2)O + 6 ferricytochrome c <=> nitrite + 6 ferrocytochrome c + 7 H(+)
Cofactor(s)
Ca(2+); Heme.
Comment(s)
The enzyme also reduces nitric oxide and hydroxylamine to ammonia, and sulfite to sulfide.
Cross-references
BRENDA1.7.2.2
EC2PDB1.7.2.2
ExplorEnz1.7.2.2
PRIAM enzyme-specific profiles1.7.2.2
KEGG Ligand Database for Enzyme Nomenclature1.7.2.2
IUBMB Enzyme Nomenclature1.7.2.2
IntEnz1.7.2.2
MEDLINEFind literature relating to 1.7.2.2
MetaCyc1.7.2.2
UniProtKB/Swiss-Prot
L0DSL2, NIR_THIND;  B6EH98, NRFA_ALISL;  A8ERP8, NRFA_ARCB4;  
Q5LI95, NRFA_BACFN;  Q64ZA7, NRFA_BACFR;  Q8A7V7, NRFA_BACTN;  
A8AN26, NRFA_CITK8;  C6BYZ2, NRFA_DESAD;  Q6ARF1, NRFA_DESPS;  
A7ZUU5, NRFA_ECO24;  B7UPN8, NRFA_ECO27;  B7MJT8, NRFA_ECO45;  
B7LB19, NRFA_ECO55;  P0ABL0, NRFA_ECO57;  B5Z1D1, NRFA_ECO5E;  
B7NSN2, NRFA_ECO7I;  B7N2T7, NRFA_ECO81;  B7M7Y3, NRFA_ECO8A;  
C5A163, NRFA_ECOBW;  B1XCV6, NRFA_ECODH;  A8A7H1, NRFA_ECOHS;  
A1AIR1, NRFA_ECOK1;  Q0T9X8, NRFA_ECOL5;  Q8CVI1, NRFA_ECOL6;  
B1IUI1, NRFA_ECOLC;  P0ABK9, NRFA_ECOLI;  B7NG13, NRFA_ECOLU;  
B6I5T8, NRFA_ECOSE;  B1LPN5, NRFA_ECOSM;  Q1R3J6, NRFA_ECOUT;  
C5BES4, NRFA_EDWI9;  Q7VNX8, NRFA_HAEDU;  Q4QLL8, NRFA_HAEI8;  
P45017, NRFA_HAEIN;  Q06PW6, NRFA_MANHA;  Q65RI4, NRFA_MANSM;  
A6L890, NRFA_PARD8;  Q9CPL4, NRFA_PASMU;  Q6D613, NRFA_PECAS;  
C6DK80, NRFA_PECCP;  Q6LSQ7, NRFA_PHOPR;  Q7MTW1, NRFA_PORGI;  
B5F2F2, NRFA_SALA4;  A9MGK5, NRFA_SALAR;  Q57GV0, NRFA_SALCH;  
B5FRF3, NRFA_SALDC;  B5QZA1, NRFA_SALEP;  B5R941, NRFA_SALG2;  
B4TEB5, NRFA_SALHS;  B4T1X2, NRFA_SALNS;  Q5PJ02, NRFA_SALPA;  
A9N1R7, NRFA_SALPB;  C0Q554, NRFA_SALPC;  B5BJZ8, NRFA_SALPK;  
B4TRK5, NRFA_SALSV;  Q8Z1Q9, NRFA_SALTI;  Q8ZKF5, NRFA_SALTY;  
A1S3A0, NRFA_SHEAM;  Q087T3, NRFA_SHEFN;  Q8EAC7, NRFA_SHEON;  
A4Y382, NRFA_SHEPC;  A0KSX7, NRFA_SHESA;  A8FRR9, NRFA_SHESH;  
Q0HMH8, NRFA_SHESM;  Q0HRB0, NRFA_SHESR;  A1RNQ3, NRFA_SHESW;  
B1KFU9, NRFA_SHEWM;  B2TXA4, NRFA_SHIB3;  Q31TS5, NRFA_SHIBS;  
Q83P93, NRFA_SHIFL;  Q3YUR5, NRFA_SHISS;  Q9Z4P4, NRFA_SULDE;  
Q5E4J7, NRFA_VIBF1;  B5FEY0, NRFA_VIBFM;  Q87ND9, NRFA_VIBPA;  
Q8D8E5, NRFA_VIBVU;  Q7MM23, NRFA_VIBVY;  Q9S1E5, NRFA_WOLSU;  

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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.7.2.-
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