Structure of PDB 1ej3 Chain A

Receptor sequence
>1ej3A (length=187) [Search protein sequence]
LTSDFDNPRWIGRHKHMFNFLDVNHNGKISLDEMVYKASDIVINNLGATP
EQAKRHKDAVEAFFGGAGMKYGVETDWPAYIEGWKKLATDELEKYAKNEP
TLIRIWGDALFDIVDKDQNGAITLDEWKAYTKAAGIIQSSEDCEETFRVC
DIDESGQLDVDEMTRQHLGFWYTMDPACEKLYGGAVP
3D structure
PDB1ej3 The crystal structure of the photoprotein aequorin at 2.3 A resolution.
ChainA
Resolution2.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H16 W86 Y132 H169 Y184
Catalytic site (residue number reindexed from 1) H14 W84 Y130 H167 Y182
Enzyme Commision number ?
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 CZH A H16 M19 L23 A40 F66 Y82 W86 I105 W108 G109 L112 F113 Y132 M165 H169 W173 Y184 H14 M17 L21 A38 F64 Y80 W84 I103 W106 G107 L110 F111 Y130 M163 H167 W171 Y182
Gene Ontology
Molecular Function
GO:0005509 calcium ion binding
GO:0046872 metal ion binding
Biological Process
GO:0008218 bioluminescence

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Molecular Function

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Biological Process
External links
PDB RCSB:1ej3, PDBe:1ej3, PDBj:1ej3
PDBsum1ej3
PubMed10830969
UniProtP02592|AEQ2_AEQVI Aequorin-2

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