Function and Biology

x-ray structure of o-succinylbenzoate synthase complexed with n-succinyl phenylglycine

Source organism: Amycolatopsis sp.
Biochemical function: metal ion binding
Biological process: menaquinone biosynthetic process
Cellular component: not assigned

EC 4.2.1.113: o-succinylbenzoate synthase

Reaction catalysed:
(1R,6R)-6-hydroxy-2-succinylcyclohexa-2,4-diene-1-carboxylate = 2-succinylbenzoate + H(2)O
Systematic name:
(1R,6R)-6-hydroxy-2-succinylcyclohexa-2,4-diene-1-carboxylate hydrolyase (2-succinylbenzoate-forming)
Alternative Name(s):
  • 2-succinylbenzoate synthase
  • MenC
  • OSB synthase
  • OSBS
  • o-succinylbenzoic acid synthase

GO terms

Sequence families

Pfam Protein families (Pfam)
PF13378
Domain description: Enolase C-terminal domain-like
Occurring in:
  1. N-succinylamino acid racemase
The deposited structure of PDB entry 1sjd contains 4 copies of Pfam domain PF13378 (Enolase C-terminal domain-like) in N-succinylamino acid racemase. Showing 1 copy in chain B.

PF02746
Domain description: Mandelate racemase / muconate lactonizing enzyme, N-terminal domain
Occurring in:
  1. N-succinylamino acid racemase
The deposited structure of PDB entry 1sjd contains 4 copies of Pfam domain PF02746 (Mandelate racemase / muconate lactonizing enzyme, N-terminal domain) in N-succinylamino acid racemase. Showing 1 copy in chain B.

InterPro InterPro annotations
IPR036849
Domain description: Enolase-like, C-terminal domain superfamily
Occurring in:
  1. N-succinylamino acid racemase
IPR010197
Domain description: o-Succinylbenzoate synthase/NAAAR
Occurring in:
  1. N-succinylamino acid racemase
IPR029017
Domain description: Enolase-like, N-terminal
Occurring in:
  1. N-succinylamino acid racemase
IPR029065
Domain description: Enolase C-terminal domain-like
Occurring in:
  1. N-succinylamino acid racemase
IPR013342
Domain description: Mandelate racemase/muconate lactonizing enzyme, C-terminal
Occurring in:
  1. N-succinylamino acid racemase
IPR013341
Domain description: Mandelate racemase/muconate lactonizing enzyme, N-terminal domain
Occurring in:
  1. N-succinylamino acid racemase

Structure domains

CATH CATH domains
3.30.390.10
Class: Alpha Beta
Architecture: 2-Layer Sandwich
Topology: Enolase-like; domain 1
Homology: Enolase-like, N-terminal domain
Occurring in:
  1. N-succinylamino acid racemase
The deposited structure of PDB entry 1sjd contains 4 copies of CATH domain 3.30.390.10 (Enolase-like; domain 1) in N-succinylamino acid racemase. Showing 1 copy in chain B.
3.20.20.120
Class: Alpha Beta
Architecture: Alpha-Beta Barrel
Topology: TIM Barrel
Homology: Enolase-like C-terminal domain
Occurring in:
  1. N-succinylamino acid racemase
The deposited structure of PDB entry 1sjd contains 4 copies of CATH domain 3.20.20.120 (TIM Barrel) in N-succinylamino acid racemase. Showing 1 copy in chain B.
SCOP SCOP annotations
51609
Class: Alpha and beta proteins (a/b)
Fold: TIM beta/alpha-barrel
Superfamily: Enolase C-terminal domain-like
Occurring in:
  1. N-succinylamino acid racemase
The deposited structure of PDB entry 1sjd contains 4 copies of SCOP domain 51609 (D-glucarate dehydratase-like) in N-succinylamino acid racemase. Showing 1 copy in chain B.
54827
Class: Alpha and beta proteins (a+b)
Fold: Enolase N-terminal domain-like
Superfamily: Enolase N-terminal domain-like
Occurring in:
  1. N-succinylamino acid racemase
The deposited structure of PDB entry 1sjd contains 4 copies of SCOP domain 54827 (Enolase N-terminal domain-like) in N-succinylamino acid racemase. Showing 1 copy in chain B.