_EC 1.13.11.75 All-trans-8'-apo-beta-carotenal 15,15'-oxygenase. 4 PDB entries  
EC 1.-.-.- Oxidoreductases. [8,663 PDB entries]
EC 1.13.-.- Acting on single donors with incorporation of molecular oxygen. [306 PDB entries]
EC 1.13.11.- With incorporation of two atoms of oxygen. [271 PDB entries]
EC 1.13.11.75 All-trans-8'-apo-beta-carotenal 15,15'-oxygenase. [4 PDB entries]    
2biw

Reaction: All-trans-8'-apo-beta-carotenal + O(2) = all-trans-retinal + (2E,4E,6E)- 2,6-dimethylocta-2,4,6-trienedial.
 

All-trans-8'-apo-beta-carotenal
+
O(2)
=
all-trans-retinal
+ (2E,4E,6E)- 2,6-dimethylocta-2,4,6-trienedial
Molecule diagrams generated from .mol files obtained from the KEGG ftp site.

Other name(s): 8'-apo-beta-carotenal 15,15'-oxygenase.
Cofactor(s): Fe(2+).
Comments: The enzyme is involved in retinal biosynthesis in bacteria. Formerly Ec 1.14.99.41 and Ec 1.14.99.n1.
Links:   [IntEnz]   [ExPASy]   [KEGG]  

There are 4 PDB entries in enzyme class E.C.1.13.11.75

  PDB code Protein
2biw
Crystal structure of apocarotenoid cleavage oxygenase from synechocystis, native enzyme
Source: Synechocystis sp.. Organism_taxid: 1148. Strain: pcc 6803. Expressed in: escherichia coli. Expression_system_taxid: 469008. Expression_system_variant: rosetta.
Chains: A, B, C, D (479 residues)
Bound ligand:   Het Group 3ON is 60.61% similar to enzyme product retinal
2bix
Crystal structure of apocarotenoid cleavage oxygenase from synechocystis, fe-free apoenzyme
Source: Synechocystis sp.. Organism_taxid: 1148. Strain: pcc 6803. Expressed in: escherichia coli. Expression_system_taxid: 469008. Expression_system_variant: rosetta.
Chains: A, B (479 residues)
4ou8
Crystal structure of apocarotenoid oxygenase in the presence
Source: Synechocystis sp.. Organism_taxid: 1111708. Strain: pcc 6803. Gene: diox1, sll1541. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chains: A, B, C, D (479 residues) CATH domain: Unassigned
4ou9
Crystal structure of apocarotenoid oxygenase in the presence x-100
Source: Synechocystis sp.. Organism_taxid: 1111708. Strain: pcc 6803. Gene: diox1, sll1541. Expressed in: escherichia coli. Expression_system_taxid: 562
Chains: A, B, C, D (481 residues) CATH domain: Unassigned