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3U92

Crystal structure of the GluK3 ligand binding domain complex with kainate and zinc: P2221 form

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Glutamate receptor, ionotropic kainate 3polymer25729053.42UniProt (P42264)
Pfam (PF10613)
Pfam (PF00060)
Rattus norvegicus (rat)GluK3
2C, H
(A, B)
3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINEnon-polymer213.22Chemie (KAI)
3D, E, F, I, J...
(A, B)
ZINC IONnon-polymer65.48Chemie (ZN)
4G, N
(A, B)
CHLORIDE IONnon-polymer35.52Chemie (CL)
5O, P
(A, B)
waterwater18.0360Chemie (HOH)
Sequence modifications
A, B: 3 - 116 (UniProt: P42264)
PDBExternal DatabaseDetails
Gly 1-expression tag
Ser 2-expression tag
A, B: 119 - 257 (UniProt: P42264)
PDBExternal DatabaseDetails
Gly 117-linker
Thr 118-linker
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight58106.7
Non-Polymers*Number of molecules12
Total formula weight1020.6
All*Total formula weight59127.4
*Water molecules are not included.

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PDB entries from 2025-07-02

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