Function and Biology

Crystal Structure of the Francisella tularensis enoyl-acyl carrier protein reductase (FabI) in complex with NAD+ and triclosan

Source organism: Francisella tularensis subsp. tularensis SCHU S4
Biochemical function: oxidoreductase activity
Biological process: fatty acid biosynthetic process
Cellular component: not assigned

EC 1.3.1.9: Enoyl-[acyl-carrier-protein] reductase (NADH)

Reaction catalysed:
An acyl-[acyl-carrier protein] + NAD(+) = a trans-2,3-dehydroacyl-[acyl-carrier protein] + NADH
Systematic name:
Acyl-[acyl-carrier protein]:NAD(+) oxidoreductase
Alternative Name(s):
  • Acyl-[acyl-carrier-protein]:NAD(+) oxidoreductase
  • Enoyl-ACP reductase
  • Enoyl-[acyl carrier protein] reductase
  • FabI (gene name)
  • InhA (gene name)
  • NADH-enoyl acyl carrier protein reductase
  • NADH-specific enoyl-ACP reductase

GO terms

Sequence family

Pfam Protein family (Pfam)
PF13561
Domain description: Enoyl-(Acyl carrier protein) reductase
Occurring in:
  1. Enoyl-[acyl-carrier-protein] reductase [NADH]
The deposited structure of PDB entry 3nrc contains 2 copies of Pfam domain PF13561 (Enoyl-(Acyl carrier protein) reductase) in Enoyl-[acyl-carrier-protein] reductase [NADH]. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR002347
Domain description: Short-chain dehydrogenase/reductase SDR
Occurring in:
  1. Enoyl-[acyl-carrier-protein] reductase [NADH]
IPR014358
Domain description: Enoyl-[acyl-carrier-protein] reductase (NADH)
Occurring in:
  1. Enoyl-[acyl-carrier-protein] reductase [NADH]
IPR036291
Domain description: NAD(P)-binding domain superfamily
Occurring in:
  1. Enoyl-[acyl-carrier-protein] reductase [NADH]
IPR027417
Domain description: P-loop containing nucleoside triphosphate hydrolase
Occurring in:
  1. Enoyl-[acyl-carrier-protein] reductase [NADH]

Structure domain

CATH CATH domain
3.40.50.720
Class: Alpha Beta
Architecture: 3-Layer(aba) Sandwich
Topology: Rossmann fold
Homology: NAD(P)-binding Rossmann-like Domain
Occurring in:
  1. Enoyl-[acyl-carrier-protein] reductase [NADH]
The deposited structure of PDB entry 3nrc contains 2 copies of CATH domain 3.40.50.720 (Rossmann fold) in Enoyl-[acyl-carrier-protein] reductase [NADH]. Showing 1 copy in chain A.