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4B0N

Crystal structure of PKS-I from the brown algae Ectocarpus siliculosus

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
POLYKETIDE SYNTHASE IIIpolymer41444509.22UniProt (D8LJ35)
Pfam (PF00195)
Pfam (PF02797)
ECTOCARPUS SILICULOSUS (BROWN ALGAE)TYPE III POLYKETIDE SYNTHASE
2C, E
(A, B)
MALONIC ACIDnon-polymer104.12Chemie (MLA)
3D, F
(A, B)
ARACHIDONIC ACIDnon-polymer304.52Chemie (ACD)
4G, H
(A, B)
waterwater18.0343Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight89018.4
Non-Polymers*Number of molecules4
Total formula weight817.1
All*Total formula weight89835.5
*Water molecules are not included.

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PDB entries from 2025-06-18

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