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4L2N

Understanding Extradiol Dioxygenase Mechanism in NAD+ Biosynthesis by Viewing Catalytic Intermediates - ligand-free structure

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
3-hydroxyanthranilate 3,4-dioxygenasepolymer17420056.61UniProt (Q1LCS4)
Pfam (PF06052)
Cupriavidus metallidurans3-hydroxyanthranilate oxygenase, 3-HAO, 3-hydroxyanthranilic acid dioxygenase, HAD
2B, C
(A)
FE (II) IONnon-polymer55.82Chemie (FE2)
3D
(A)
CHLORIDE IONnon-polymer35.51Chemie (CL)
4E
(A)
2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOLnon-polymer122.11Chemie (TRS)
5F
(A)
waterwater18.0117Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight20056.6
Non-Polymers*Number of molecules4
Total formula weight269.3
All*Total formula weight20325.9
*Water molecules are not included.

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PDB entries from 2025-06-18

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