Function and Biology

HOMOSERINE DEHYDROGENASE COMPLEX WITH NAD ANALOGUE AND L-HOMOSERINE

Source organism: Saccharomyces cerevisiae
Biochemical function: NAD+ binding
Biological process: homoserine biosynthetic process
Cellular component: cytoplasm

EC 1.1.1.3: Homoserine dehydrogenase

Reaction catalysed:
L-homoserine + NAD(P)(+) = L-aspartate 4-semialdehyde + NAD(P)H
Systematic name:
L-homoserine:NAD(P)(+) oxidoreductase
Alternative Name(s):
  • HSD
  • HSDH

Sequence families

Pfam Protein families (Pfam)
PF00742
Domain description: Homoserine dehydrogenase
Occurring in:
  1. Homoserine dehydrogenase
The deposited structure of PDB entry 1ebu contains 4 copies of Pfam domain PF00742 (Homoserine dehydrogenase) in Homoserine dehydrogenase. Showing 1 copy in chain A.

PF03447
Domain description: Homoserine dehydrogenase, NAD binding domain
Occurring in:
  1. Homoserine dehydrogenase
The deposited structure of PDB entry 1ebu contains 4 copies of Pfam domain PF03447 (Homoserine dehydrogenase, NAD binding domain) in Homoserine dehydrogenase. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR019811
Domain description: Homoserine dehydrogenase, conserved site
Occurring in:
  1. Homoserine dehydrogenase
IPR001342
Domain description: Homoserine dehydrogenase, catalytic
Occurring in:
  1. Homoserine dehydrogenase
IPR005106
Domain description: Aspartate/homoserine dehydrogenase, NAD-binding
Occurring in:
  1. Homoserine dehydrogenase
IPR036291
Domain description: NAD(P)-binding domain superfamily
Occurring in:
  1. Homoserine dehydrogenase
IPR022697
Domain description: Homoserine dehydrogenase lacking ACT domain
Occurring in:
  1. Homoserine dehydrogenase
IPR011147
Domain description: Bifunctional aspartokinase/homoserine dehydrogenase, homoserine dehydrogenase domain
Occurring in:
  1. Homoserine dehydrogenase

Structure domains

CATH CATH domains
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. Homoserine dehydrogenase
The deposited structure of PDB entry 1ebu contains 4 copies of CATH domain 3.40.50.720 (Rossmann fold) in Homoserine dehydrogenase. Showing 1 copy in chain A.
3.30.360.10
Class: Alpha Beta
Architecture: 2-Layer Sandwich
Topology: Dihydrodipicolinate Reductase; domain 2
Homology: Dihydrodipicolinate Reductase; domain 2
Occurring in:
  1. Homoserine dehydrogenase
The deposited structure of PDB entry 1ebu contains 4 copies of CATH domain 3.30.360.10 (Dihydrodipicolinate Reductase; domain 2) in Homoserine dehydrogenase. Showing 1 copy in chain A.
SCOP SCOP annotations
51800
Class: Alpha and beta proteins (a/b)
Fold: NAD(P)-binding Rossmann-fold domains
Superfamily: NAD(P)-binding Rossmann-fold domains
Occurring in:
  1. Homoserine dehydrogenase
The deposited structure of PDB entry 1ebu contains 4 copies of SCOP domain 51800 (Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain) in Homoserine dehydrogenase. Showing 1 copy in chain A.
55363
Class: Alpha and beta proteins (a+b)
Fold: FwdE/GAPDH domain-like
Superfamily: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain
Occurring in:
  1. Homoserine dehydrogenase
The deposited structure of PDB entry 1ebu contains 4 copies of SCOP domain 55363 (Homoserine dehydrogenase-like) in Homoserine dehydrogenase. Showing 1 copy in chain A.