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ENZYME

ENZYME entry: EC 5.3.3.8

Accepted Name
Delta(3)-Delta(2)-enoyl-CoA isomerase
Alternative Name(s)
3,2-trans-enoyl-CoA isomerase
acetylene-allene isomerase
Delta(3),Delta(2)-enoyl-CoA isomerase
Delta(3)-cis-Delta(2)-trans-enoyl-CoA isomerase
dodecenoyl-CoA Delta-isomerase
dodecenoyl-CoA isomerase
Reaction catalysed
  • a (3Z)-enoyl-CoA <=> a 4-saturated (2E)-enoyl-CoA
  • a (3E)-enoyl-CoA <=> a 4-saturated (2E)-enoyl-CoA
Comment(s)
  • The enzyme participates in the beta-oxidation of fatty acids with double bonds at an odd position.
  • Processing of these substrates via the beta-oxidation system results in intermediates with a cis- or trans-double bond at position C3, which cannot be processed further by the regular enzymes of the beta- oxidation system.
  • This enzyme isomerizes the bond to a trans bond at position C2, which can be processed further.
  • The reaction rate is ten times higher for the (3Z) isomers than for (3E) isomers.
  • The enzyme can also catalyze the isomerization of 3-acetylenic fatty acyl thioesters to 2,3-dienoyl fatty acyl thioesters.
Cross-references
BRENDA 5.3.3.8
EC2PDB 5.3.3.8
ExplorEnz 5.3.3.8
PRIAM enzyme-specific profiles 5.3.3.8
KEGG Ligand Database for Enzyme Nomenclature 5.3.3.8
IUBMB Enzyme Nomenclature 5.3.3.8
IntEnz 5.3.3.8
MEDLINE Find literature relating to 5.3.3.8
MetaCyc 5.3.3.8
Rhea expert-curated reactions 5.3.3.8
UniProtKB/Swiss-Prot
Q9ZPI6, AIM1_ARATH Q58DM8, ECHM_BOVIN P30084, ECHM_HUMAN
Q8BH95, ECHM_MOUSE Q5R646, ECHM_PONAB P14604, ECHM_RAT
P55100, ECHP_CAVPO Q6NYL3, ECHP_DANRE Q08426, ECHP_HUMAN
Q9DBM2, ECHP_MOUSE Q5R5M8, ECHP_PONAB P07896, ECHP_RAT
O04469, ECI1_ARATH P42126, ECI1_HUMAN P42125, ECI1_MOUSE
P23965, ECI1_RAT Q05871, ECI1_YEAST O23299, ECI2_ARATH
O75521, ECI2_HUMAN Q9WUR2, ECI2_MOUSE Q5XIC0, ECI2_RAT
O23300, ECI3_ARATH Q78JN3, ECI3_MOUSE Q4UL32, FAD3_RICFE
Q9ZCZ1, FAD3_RICPR Q68WH7, FAD3_RICTY Q6FF68, FADB_ACIAD
B7H1I0, FADB_ACIB3 B7I3P1, FADB_ACIB5 B2I2J9, FADB_ACIBC
B0VLX4, FADB_ACIBS B0VE45, FADB_ACIBY A0KEL1, FADB_AERHH
A4STF2, FADB_AERS4 Q5E8X6, FADB_ALIF1 B5FEW8, FADB_ALIFM
B6EGU2, FADB_ALISL A8ACZ4, FADB_CITK8 Q489W3, FADB_COLP3
A7MQP0, FADB_CROS8 A7ZU51, FADB_ECO24 B7UNH4, FADB_ECO27
B7MHD1, FADB_ECO45 B7L9A7, FADB_ECO55 Q8X8I2, FADB_ECO57
B5YY93, FADB_ECO5E B7NV20, FADB_ECO7I B7N2F2, FADB_ECO81
B7M649, FADB_ECO8A C5A020, FADB_ECOBW B1XAK8, FADB_ECODH
A8A6V1, FADB_ECOHS Q0TAL0, FADB_ECOL5 Q8FBI2, FADB_ECOL6
B1IW61, FADB_ECOLC P21177, FADB_ECOLI B7NFE7, FADB_ECOLU
B6I4I6, FADB_ECOSE B1LM32, FADB_ECOSM Q1R466, FADB_ECOUT
A4WFX4, FADB_ENT38 Q9F0Y7, FADB_ENTCL B7LTY9, FADB_ESCF3
Q5QXH7, FADB_IDILO B5XYH0, FADB_KLEP3 A6TGM4, FADB_KLEP7
Q6DAP5, FADB_PECAS Q7MZ92, FADB_PHOLL Q6LW06, FADB_PHOPR
Q48GW3, FADB_PSE14 A6V382, FADB_PSEA7 B7UYR6, FADB_PSEA8
Q02PH8, FADB_PSEAB Q9HZJ2, FADB_PSEAE Q1I7D4, FADB_PSEE4
Q4KFC4, FADB_PSEF5 P28793, FADB_PSEFR C3K613, FADB_PSEFS
A4XSM8, FADB_PSEMY Q93Q12, FADB_PSEOL A5W6H0, FADB_PSEP1
Q3K9D8, FADB_PSEPF B0KH74, FADB_PSEPG Q88L02, FADB_PSEPK
Q9AHY3, FADB_PSEPU B1J5A5, FADB_PSEPW Q87ZB2, FADB_PSESM
Q4ZRA0, FADB_PSEU2 Q4FQC6, FADB_PSYA2 Q1Q8J9, FADB_PSYCK
A5WH99, FADB_PSYWF B5EZW0, FADB_SALA4 Q57HM6, FADB_SALCH
B5QW85, FADB_SALEP B5RFL6, FADB_SALG2 B4SZ85, FADB_SALNS
Q5PKQ2, FADB_SALPA A9MYB0, FADB_SALPB B5BIZ0, FADB_SALPK
B4TNZ1, FADB_SALSV Q8Z3C6, FADB_SALTI Q9L6L5, FADB_SALTY
A8G8D1, FADB_SERP5 A1S1I8, FADB_SHEAM B8E3R3, FADB_SHEB2
A3CYJ4, FADB_SHEB5 A6WHA0, FADB_SHEB8 A9KU91, FADB_SHEB9
Q08A39, FADB_SHEFN B0TLB9, FADB_SHEHH A3Q8U4, FADB_SHELP
Q8EKR9, FADB_SHEON A8GYG0, FADB_SHEPA A4Y1B6, FADB_SHEPC
B8CH91, FADB_SHEPW A0KR50, FADB_SHESA A8FP63, FADB_SHESH
Q0HPB7, FADB_SHESM Q0I0T3, FADB_SHESR A1RDW6, FADB_SHESW
B1KCZ3, FADB_SHEWM B2TVJ5, FADB_SHIB3 Q32A21, FADB_SHIDS
Q0SZ36, FADB_SHIF8 Q83PG1, FADB_SHIFL Q3YVC1, FADB_SHISS
A4VKA3, FADB_STUS1 B7VGL4, FADB_VIBA3 A7N1D2, FADB_VIBC1
A5F465, FADB_VIBC3 Q9KNI1, FADB_VIBCH C3LSI3, FADB_VIBCM
Q87TN9, FADB_VIBPA Q8DDK6, FADB_VIBVU Q7MQH9, FADB_VIBVY
A1JIG4, FADB_YERE8 A7FDF2, FADB_YERP3 Q1C2C4, FADB_YERPA
B2K0Z6, FADB_YERPB Q8ZAN0, FADB_YERPE A9R754, FADB_YERPG
Q1CN99, FADB_YERPN A4TR27, FADB_YERPP Q66FR8, FADB_YERPS
B1JP63, FADB_YERPY Q9ZPI5, MFP2_ARATH O49809, MFPA_BRANA
Q39659, MFPA_CUCSA Q8W1L6, MFP_ORYSJ

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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 5.3.3.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 5.3.-.-
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