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2F1F

Crystal structure of the regulatory subunit of acetohydroxyacid synthase isozyme III from E. coli

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Acetolactate synthase isozyme III small subunitpolymer16418071.82UniProt (P00894)
Pfam (PF22629)
Pfam (PF10369)
Escherichia coliAHAS-III, Acetohydroxy-acid synthase III small subunit, ALS-III
2C, D, F, G, H...
(A, B)
MAGNESIUM IONnon-polymer24.36Chemie (MG)
3E
(A)
PENTAETHYLENE GLYCOLnon-polymer238.31Chemie (1PE)
4J
(B)
3,6,9,12,15,18-HEXAOXAICOSANE-1,20-DIOLnon-polymer326.41Chemie (P33)
5K, L
(A, B)
waterwater18.0258Chemie (HOH)
Sequence modifications
A, B: 0 - 163 (UniProt: P00894)
PDBExternal DatabaseDetails
Ala 1-SEE REMARK 999
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight36143.7
Non-Polymers*Number of molecules8
Total formula weight710.5
All*Total formula weight36854.2
*Water molecules are not included.

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PDB entries from 2025-06-18

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