Function and Biology

Crystal structure of human aminoadipate semialdehyde synthase, saccharopine dehydrogenase domain (in NAD+ bound form)

Source organism: Homo sapiens
Biochemical function: not assigned
Biological process: not assigned
Cellular component: not assigned

EC 1.5.1.9: Saccharopine dehydrogenase (NAD(+), L-glutamate-forming)

Reaction catalysed:
N(6)-(L-1,3-dicarboxypropyl)-L-lysine + NAD(+) + H(2)O = L-glutamate + (S)-2-amino-6-oxohexanoate + NADH
Systematic name:
N(6)-(L-1,3-dicarboxypropyl)-L-lysine:NAD(+) oxidoreductase (L-glutamate-forming)
Alternative Name(s):
  • 6-N-(L-1,3-dicarboxypropyl)-L-lysine:NAD(+) oxidoreductase (L-glutamate-forming)
  • Aminoadipic semialdehyde synthase
  • Dehydrogenase, saccharopine (nicotinamide adenine dinucleotide, glutamate-forming)
  • NAD(+) oxidoreductase (L-2-aminoadipic-delta-semialdehyde and glutamate forming)
  • Saccharopin dehydrogenase

EC 1.5.1.8: Saccharopine dehydrogenase (NADP(+), L-lysine-forming)

Reaction catalysed:
N(6)-(L-1,3-dicarboxypropyl)-L-lysine + NADP(+) + H(2)O = L-lysine + 2-oxoglutarate + NADPH
Systematic name:
N(6)-(L-1,3-dicarboxypropyl)-L-lysine:NADP(+) oxidoreductase (L-lysine-forming)
Alternative Name(s):
  • 6-N-(L-1,3-dicarboxypropyl)-L-lysine:NADP(+) oxidoreductase (L-lysine-forming)
  • L-lysine-alpha-ketoglutarate reductase
  • Lysine-2-oxoglutarate reductase
  • Lysine-ketoglutarate reductase
  • Lysine:alpha-ketoglutarate:TPNH oxidoreductase (epsilon-N-(gultaryl-2)-L-lysine forming)
  • Saccharopine (nicotinamide adenine dinucleotide phosphate, lysine-forming) dehydrogenase

GO terms

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Sequence families

Pfam Protein families (Pfam)
PF16653
Domain description: Saccharopine dehydrogenase C-terminal domain
Occurring in:
  1. Alpha-aminoadipic semialdehyde synthase, mitochondrial
The deposited structure of PDB entry 5l78 contains 2 copies of Pfam domain PF16653 (Saccharopine dehydrogenase C-terminal domain) in Alpha-aminoadipic semialdehyde synthase, mitochondrial. Showing 1 copy in chain A.

PF03435
Domain description: Saccharopine dehydrogenase NADP binding domain
Occurring in:
  1. Alpha-aminoadipic semialdehyde synthase, mitochondrial
The deposited structure of PDB entry 5l78 contains 2 copies of Pfam domain PF03435 (Saccharopine dehydrogenase NADP binding domain) in Alpha-aminoadipic semialdehyde synthase, mitochondrial. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR032095
Domain description: Saccharopine dehydrogenase-like, C-terminal
Occurring in:
  1. Alpha-aminoadipic semialdehyde synthase, mitochondrial
IPR005097
Domain description: Saccharopine dehydrogenase, NADP binding domain
Occurring in:
  1. Alpha-aminoadipic semialdehyde synthase, mitochondrial
IPR036291
Domain description: NAD(P)-binding domain superfamily
Occurring in:
  1. Alpha-aminoadipic semialdehyde synthase, mitochondrial

Structure domains

CATH CATH domains
3.30.360.10
Class: Alpha Beta
Architecture: 2-Layer Sandwich
Topology: Dihydrodipicolinate Reductase; domain 2
Homology: Dihydrodipicolinate Reductase; domain 2
Occurring in:
  1. Alpha-aminoadipic semialdehyde synthase, mitochondrial
The deposited structure of PDB entry 5l78 contains 2 copies of CATH domain 3.30.360.10 (Dihydrodipicolinate Reductase; domain 2) in Alpha-aminoadipic semialdehyde synthase, mitochondrial. Showing 1 copy in chain A.
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. Alpha-aminoadipic semialdehyde synthase, mitochondrial
The deposited structure of PDB entry 5l78 contains 2 copies of CATH domain 3.40.50.720 (Rossmann fold) in Alpha-aminoadipic semialdehyde synthase, mitochondrial. Showing 1 copy in chain A.