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5IKB

Crystal structure of the kainate receptor GluK4 ligand binding domain in complex with kainate

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Glutamate receptor ionotropic, kainate 4,Glutamate receptor ionotropic, kainate 4polymer25729171.21UniProt (Q01812)
Pfam (PF10613)
Pfam (PF00060)
Rattus norvegicus (Rat)GluK4,Glutamate receptor KA-1,KA1,GluK4,Glutamate receptor KA-1,KA1
2B
(A)
3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINEnon-polymer213.21Chemie (KAI)
3C, D
(A)
GLYCEROLnon-polymer92.12Chemie (GOL)
4E
(A)
waterwater18.0220Chemie (HOH)
Sequence modifications
A: 3 - 114 (UniProt: Q01812)
PDBExternal DatabaseDetails
Gly 1-expression tag
Pro 2-expression tag
A: 119 - 257 (UniProt: Q01812)
PDBExternal DatabaseDetails
Arg 115-linker
Lys 116-linker
Gly 117-linker
Thr 118-linker
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight29171.2
Non-Polymers*Number of molecules3
Total formula weight397.4
All*Total formula weight29568.6
*Water molecules are not included.

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PDB entries from 2025-06-18

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