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ENZYME

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 + 3 H(+) + hydrogencarbonate = 2 CO2 + NH4(+)
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 + H2O', 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
Rhea expert-curated reactions4.2.1.104
UniProtKB/Swiss-Prot
B0C8H2, CYNS_ACAM1C0NWE3, CYNS_AJECGC6HBW5, CYNS_AJECH
A6R853, CYNS_AJECNC5G6H8, CYNS_AJEDRQ21S14, CYNS_ALBFT
O66587, CYNS_AQUAEO22683, CYNS_ARATHC5FMD4, CYNS_ARTOC
A1C7Y5, CYNS_ASPCLB0XV83, CYNS_ASPFCB8NQ08, CYNS_ASPFN
Q4WZL3, CYNS_ASPFUA2R692, CYNS_ASPNCQ2UAX9, CYNS_ASPOR
Q0CVK8, CYNS_ASPTNC5JJW0, CYNS_BLAGSA6S6V7, CYNS_BOTFB
B1Z5U9, CYNS_BURA4A0AXK2, CYNS_BURCHB4EJC2, CYNS_BURCJ
Q0B2Y2, CYNS_BURCMQ391E0, CYNS_BURL3A3MRF1, CYNS_BURM7
A2S5L0, CYNS_BURM9Q62H08, CYNS_BURMAA1V0I2, CYNS_BURMS
B1K759, CYNS_BURO0Q1BL48, CYNS_BURO1A3NZD0, CYNS_BURP0
A3NDL7, CYNS_BURP6Q63QS4, CYNS_BURPSQ2SZA4, CYNS_BURTA
A4JRR6, CYNS_BURVGQ4JJB1, CYNS_CHAGSQ7NWU9, CYNS_CHRVO
C5PDS9, CYNS_COCP7A8NV38, CYNS_COPC7P0CN03, CYNS_CRYNB
P0CN02, CYNS_CRYNJQ0K572, CYNS_CUPNHQ47G40, CYNS_DECAR
A7ZI88, CYNS_ECO24B7L4Z6, CYNS_ECO55P58704, CYNS_ECO57
B5Z2P3, CYNS_ECO5EB7NK15, CYNS_ECO7IB7M2Y9, CYNS_ECO8A
B1XBI8, CYNS_ECODHA7ZWY8, CYNS_ECOHSB1J0T9, CYNS_ECOLC
P00816, CYNS_ECOLIB7N8P7, CYNS_ECOLUB6HZW6, CYNS_ECOSE
B1LIM5, CYNS_ECOSMC8VCM2, CYNS_EMENIC7YTF5, CYNS_FUSV7
B0DN41, CYNS_LACBSB6TTW1, CYNS_MAIZEA6W1Q1, CYNS_MARMS
B7FKW7, CYNS_MEDTRQ1GZA1, CYNS_METFKA2SLJ8, CYNS_METPP
A0QL81, CYNS_MYCA1B1ME90, CYNS_MYCA9P61192, CYNS_MYCPA
A1T8R2, CYNS_MYCVPA1DIL2, CYNS_NEOFIQ871Z4, CYNS_NEUCR
P58703, CYNS_NOSS1A2Z8F9, CYNS_ORYSIQ9FWK4, CYNS_ORYSJ
C1H765, CYNS_PARBAC1FZ35, CYNS_PARBDC0S4M2, CYNS_PARBP
Q7U3E2, CYNS_PARMWB6HIM5, CYNS_PENRWQ0UBT2, CYNS_PHANO
B7FRE8, CYNS_PHATCQ7NA33, CYNS_PHOLLA9TND9, CYNS_PHYPA
B2B4S6, CYNS_PODANA4SXJ6, CYNS_POLAQQ12GT8, CYNS_POLSJ
B9HSR7, CYNS_POPTRA2BZH4, CYNS_PROM1Q7V2U0, CYNS_PROMP
Q46I00, CYNS_PROMTQ48GB5, CYNS_PSE14A6V6B1, CYNS_PSEA7
B7VA51, CYNS_PSEA8Q02LK0, CYNS_PSEABQ9I263, CYNS_PSEAE
Q1I7P9, CYNS_PSEE4Q4KGL6, CYNS_PSEF5A5W5F5, CYNS_PSEP1
B1JA05, CYNS_PSEPWQ885A6, CYNS_PSESMQ4ZQQ7, CYNS_PSEU2
A4R2S1, CYNS_PYRO7B2WIX9, CYNS_PYRTRB2UK94, CYNS_RALPJ
B9T3R0, CYNS_RICCOA7F1L5, CYNS_SCLS1A8GBZ7, CYNS_SERP5
C5WYI7, CYNS_SORBID1ZHN6, CYNS_SORMKC6SXE1, CYNS_SOYBN
Q972W5, CYNS_SULTOQ59948, CYNS_SYNE7Q5N0J1, CYNS_SYNP6
Q0I634, CYNS_SYNS3Q55367, CYNS_SYNY3B6Q2W9, CYNS_TALMQ
B8MQZ4, CYNS_TALSNC5BUK2, CYNS_TERTTB5YM03, CYNS_THAPS
Q3SHJ2, CYNS_THIDAQ3M8R1, CYNS_TRIV2C4JUN6, CYNS_UNCRE
Q4PD40, CYNS_USTMAC5CRQ4, CYNS_VARPSC9S8A7, CYNS_VERA1
A5BJL8, CYNS_VITVI

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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.-.-.-