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ENZYME entry: EC 4.2.1.104

Accepted Name
Cyanase.
Alternative Name(s)
Cyanate aminohydrolase.
Cyanate C-N-lyase.
Cyanate hydratase.
Cyanate hydrolase.
Cyanate lyase.
Reaction catalysed
Cyanate + HCO(3)(-) + 2 H(+) <=> NH(3) + 2 CO(2)
Comment(s)
  • This enzyme, which is found in bacteria and plants, is used to decompose cyanate, which can be used as the sole source of nitrogen.
  • The reaction can be considered as the reverse of 'carbamate = cyanate + H(2)O', where this is assisted by reaction with bicarbonate and carbon dioxide, and hence is classified in sub-subclass 4.2.1.
  • Bicarbonate functions as a recycling substrate.
  • Formerly EC 3.5.5.3 and EC 4.3.99.1.
Cross-references
BRENDA4.2.1.104
EC2PDB4.2.1.104
ExplorEnz4.2.1.104
PRIAM enzyme-specific profiles4.2.1.104
KEGG Ligand Database for Enzyme Nomenclature4.2.1.104
IUBMB Enzyme Nomenclature4.2.1.104
IntEnz4.2.1.104
MEDLINEFind literature relating to 4.2.1.104
MetaCyc4.2.1.104
UniProtKB/Swiss-Prot
B0C8H2, CYNS_ACAM1;  C0NWE3, CYNS_AJECG;  C6HBW5, CYNS_AJECH;  
A6R853, CYNS_AJECN;  C5G6H8, CYNS_AJEDR;  Q3M8R1, CYNS_ANAVT;  
O66587, CYNS_AQUAE;  O22683, CYNS_ARATH;  C5FMD4, CYNS_ARTOC;  
A1C7Y5, CYNS_ASPCL;  B0XV83, CYNS_ASPFC;  B8NQ08, CYNS_ASPFN;  
Q4WZL3, CYNS_ASPFU;  A2R692, CYNS_ASPNC;  Q2UAX9, CYNS_ASPOR;  
Q0CVK8, CYNS_ASPTN;  C5JJW0, CYNS_BLAGS;  A6S6V7, CYNS_BOTFB;  
B1Z5U9, CYNS_BURA4;  Q1BL48, CYNS_BURCA;  B1K759, CYNS_BURCC;  
A0AXK2, CYNS_BURCH;  B4EJC2, CYNS_BURCJ;  Q0B2Y2, CYNS_BURCM;  
Q391E0, CYNS_BURL3;  A3MRF1, CYNS_BURM7;  A2S5L0, CYNS_BURM9;  
Q62H08, CYNS_BURMA;  A1V0I2, CYNS_BURMS;  A3NZD0, CYNS_BURP0;  
A3NDL7, CYNS_BURP6;  Q63QS4, CYNS_BURPS;  Q2SZA4, CYNS_BURTA;  
A4JRR6, CYNS_BURVG;  Q4JJB1, CYNS_CHAGS;  Q7NWU9, CYNS_CHRVO;  
C5PDS9, CYNS_COCP7;  A8NV38, CYNS_COPC7;  P0CN03, CYNS_CRYNB;  
P0CN02, CYNS_CRYNJ;  Q0K572, CYNS_CUPNH;  Q47G40, CYNS_DECAR;  
A7ZI88, CYNS_ECO24;  B7L4Z6, CYNS_ECO55;  P58704, CYNS_ECO57;  
B5Z2P3, CYNS_ECO5E;  B7NK15, CYNS_ECO7I;  B7M2Y9, CYNS_ECO8A;  
B1XBI8, CYNS_ECODH;  A7ZWY8, CYNS_ECOHS;  B1J0T9, CYNS_ECOLC;  
P00816, CYNS_ECOLI;  B7N8P7, CYNS_ECOLU;  B6HZW6, CYNS_ECOSE;  
B1LIM5, CYNS_ECOSM;  C8VCM2, CYNS_EMENI;  B0DN41, CYNS_LACBS;  
A4R2S1, CYNS_MAGO7;  B6TTW1, CYNS_MAIZE;  A6W1Q1, CYNS_MARMS;  
B7FKW7, CYNS_MEDTR;  Q1GZA1, CYNS_METFK;  A2SLJ8, CYNS_METPP;  
A0QL81, CYNS_MYCA1;  B1ME90, CYNS_MYCA9;  P61192, CYNS_MYCPA;  
A1T8R2, CYNS_MYCVP;  C7YTF5, CYNS_NECH7;  A1DIL2, CYNS_NEOFI;  
Q871Z4, CYNS_NEUCR;  P58703, CYNS_NOSS1;  A2Z8F9, CYNS_ORYSI;  
Q9FWK4, CYNS_ORYSJ;  C1H765, CYNS_PARBA;  C1FZ35, CYNS_PARBD;  
C0S4M2, CYNS_PARBP;  B6HIM5, CYNS_PENRW;  Q0UBT2, CYNS_PHANO;  
B7FRE8, CYNS_PHATC;  Q7NA33, CYNS_PHOLL;  A9TND9, CYNS_PHYPA;  
B2B4S6, CYNS_PODAN;  A4SXJ6, CYNS_POLAQ;  Q12GT8, CYNS_POLSJ;  
B9HSR7, CYNS_POPTR;  A2BZH4, CYNS_PROM1;  Q7V2U0, CYNS_PROMP;  
Q46I00, CYNS_PROMT;  Q48GB5, CYNS_PSE14;  A6V6B1, CYNS_PSEA7;  
B7VA51, CYNS_PSEA8;  Q02LK0, CYNS_PSEAB;  Q9I263, CYNS_PSEAE;  
Q1I7P9, CYNS_PSEE4;  Q4KGL6, CYNS_PSEF5;  A5W5F5, CYNS_PSEP1;  
B1JA05, CYNS_PSEPW;  Q885A6, CYNS_PSESM;  Q4ZQQ7, CYNS_PSEU2;  
B2WIX9, CYNS_PYRTR;  B2UK94, CYNS_RALPJ;  Q21S14, CYNS_RHOFT;  
B9T3R0, CYNS_RICCO;  A7F1L5, CYNS_SCLS1;  A8GBZ7, CYNS_SERP5;  
C5WYI7, CYNS_SORBI;  D1ZHN6, CYNS_SORMK;  C6SXE1, CYNS_SOYBN;  
Q972W5, CYNS_SULTO;  Q59948, CYNS_SYNE7;  Q5N0J1, CYNS_SYNP6;  
Q7U3E2, CYNS_SYNPX;  Q0I634, CYNS_SYNS3;  Q55367, CYNS_SYNY3;  
B6Q2W9, CYNS_TALMQ;  B8MQZ4, CYNS_TALSN;  C5BUK2, CYNS_TERTT;  
B5YM03, CYNS_THAPS;  Q3SHJ2, CYNS_THIDA;  C4JUN6, CYNS_UNCRE;  
Q4PD40, CYNS_USTMA;  C5CRQ4, CYNS_VARPS;  C9S8A7, CYNS_VERA1;  
A5BJL8, CYNS_VITVI;  

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All UniProtKB/Swiss-Prot entries referenced in this entry, with possibility to download in different formats, align etc.
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 4.2.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 4.2.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 4.-.-.-